Article(id=1241409511534161984, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241409507583127593, articleNumber=null, orderNo=null, doi=10.3963/j.issn.1001-487X.2024.04.023, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1713196800000, receivedDateStr=2024-04-16, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773904691823, onlineDateStr=2026-03-19, pubDate=1732982400000, pubDateStr=2024-12-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773904691823, onlineIssueDateStr=2026-03-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773904691823, creator=13701087609, updateTime=1773904691823, updator=13701087609, issue=Issue{id=1241409507583127593, tenantId=1146029695717560320, journalId=1240670690148397066, year='2024', volume='41', issue='4', pageStart='1', pageEnd='204', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773904690881, creator=13701087609, updateTime=1773904736091, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241409697262137710, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241409507583127593, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241409697262137711, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241409507583127593, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=181, endPage=186, ext={EN=ArticleExt(id=1241409512318496850, articleId=1241409511534161984, tenantId=1146029695717560320, journalId=1240670690148397066, language=EN, title=Linear Regression Analysis on Sadovsky Formula for Open-pit Bench Blasting, columnId=1240702076553065119, journalTitle=Blasting, columnName=BLASTING SAFETY, runingTitle=null, highlight=null, articleAbstract=

With the continuous development of blasting equipment, the popularization of high-precision detonator detonators and electronic detonators have been widely used in open-pit bench blasting. However, the definition is vague in the selection of the maximum amount of initiating charge and the distance from the detonation source to the vibration measurement point for the linear regression analysis of the Sadovsky formula when the vibration measurement point is close to the blasting area, and the dispersion position of the blast hole cannot be ignored. A proportional distance was used to measure close-range blasting vibrations by hole blasting. The total charge with a delay interval smaller than 8 ms or the charge quantity nearest to the vibration measurement point was selected as the maximum blasting charge in a section. The distance between the detonation source and the vibration measurement point was selected as the three-dimensional distance between the center of the hole range of the maximum blasting charge and the vibration measurement point or the three-dimensional distance between the hole and the nearest vibration measurement point. The one with a smaller proportional distance was selected for linear regression by comparing the group proportional and single proportional distances. The results show that it has relatively accurate linear regression using this method for the same direction or near the direction of the vibration point value after the noise reduction process.

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随着爆破器材的不断发展,尤其高精度导爆管雷管和电子雷管的普及,露天采场台阶爆破在进行萨道夫斯基公式线性回归分析,对于测振点距离爆破区域较近而无法忽略炮孔散布位置时,在选择最大一段起爆药量和爆源至测振点距离上定义模糊。针对逐孔爆破近距离爆破测振,采用比例距离,最大一段起爆药量选取≤8 ms的总装药量或距离该测振点最近炮孔的药量,爆源至测振点距离选取最大一段起爆药量炮孔范围的中心距测振点的三维距离或距离该测振点最近炮孔的三维距离,通过群孔比例距离和单孔比例距离两者数值对比,选取比例距离较小者进行线性回归。结果表明:采用该种方法,对于同一方向或邻近方向的测振点数值,经过降噪处理后,能相对较准确地进行线性回归。

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杜军(1981-),男,本科、高级工程师,工程爆破施工作业,(E-mail)

DU Jun (1981-), male, undergraduate, senior engineer, Engineering blasting construction operations, (E-mail) .

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杜军(1981-),男,本科、高级工程师,工程爆破施工作业,(E-mail)

DU Jun (1981-), male, undergraduate, senior engineer, Engineering blasting construction operations, (E-mail) .

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杜军(1981-),男,本科、高级工程师,工程爆破施工作业,(E-mail)

DU Jun (1981-), male, undergraduate, senior engineer, Engineering blasting construction operations, (E-mail) .

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(in Chinese), articleTitle=Numerical simulation study on influence of step topography on propagation of blasting vibration waves, refAbstract=null), Reference(id=1241409539514364799, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, doi=null, pmid=null, pmcid=null, year=2023, volume=75, issue=2, pageStart=71, pageEnd=76, url=null, language=null, rfNumber=[4], rfOrder=6, authorNames=郭飞, journalName=有色金属(矿山部分), refType=null, unstructuredReference=郭飞. 考虑高程放大效应的边坡动力稳定性分析[J]. 有色金属(矿山部分), 2023, 75(2): 71-76., articleTitle=考虑高程放大效应的边坡动力稳定性分析, refAbstract=null), Reference(id=1241409539606639492, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, doi=null, pmid=null, pmcid=null, year=2023, volume=75, issue=2, pageStart=71, pageEnd=76, url=null, language=null, rfNumber=[4], rfOrder=7, authorNames=GUO Fei, journalName=Nonferrous Metals (Mining section), refType=null, unstructuredReference=GUO Fei. Slope dynamic stability analysis considering elevation amplification effect[J]. Nonferrous Metals (Mining section), 2023, 75(2): 71-76. (in Chinese), articleTitle=Slope dynamic stability analysis considering elevation amplification effect, refAbstract=null), Reference(id=1241409539749245834, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, doi=null, pmid=null, pmcid=null, year=2023, volume=9, issue=44, pageStart=36, pageEnd=40, url=null, language=null, rfNumber=[5], rfOrder=8, authorNames=汪志国, journalName=黄金, refType=null, unstructuredReference=汪志国. 中深孔爆破振动传播特性分析与控制[J]. 黄金, 2023, 9(44): 36-40., articleTitle=中深孔爆破振动传播特性分析与控制, refAbstract=null), Reference(id=1241409539866686352, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, doi=null, pmid=null, pmcid=null, year=2023, volume=9, issue=44, pageStart=36, pageEnd=40, url=null, language=null, rfNumber=[5], rfOrder=9, authorNames=WANG Zhi-guo, journalName=GOLD, refType=null, unstructuredReference=WANG Zhi-guo. Analysis and control of vibration propagation characteristics of medium-long hole blasting[J]. GOLD, 2023, 9(44): 36-40. (in Chinese), articleTitle=Analysis and control of vibration propagation characteristics of medium-long hole blasting, refAbstract=null), Reference(id=1241409540068012949, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, doi=null, pmid=null, pmcid=null, year=2021, volume=48, issue=6, pageStart=129, pageEnd=134, url=null, language=null, rfNumber=[6], rfOrder=10, authorNames=孙冰, journalName=矿业安全与环保, refType=null, unstructuredReference=孙冰. 爆破振动影响因素及控制技术研究现状[J]. 矿业安全与环保, 2021, 48(6): 129-134., articleTitle=爆破振动影响因素及控制技术研究现状, refAbstract=null), Reference(id=1241409540219007900, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, doi=null, pmid=null, pmcid=null, year=2021, volume=48, issue=6, pageStart=129, pageEnd=134, url=null, language=null, rfNumber=[6], rfOrder=11, authorNames=SUN Bing, journalName=Mining Safety & Environmental Protection, refType=null, unstructuredReference=SUN Bing. Research status of influencing factors and control technology of blasting vibration[J]. Mining Safety & Environmental Protection, 2021, 48(6): 129-134. (in Chinese), articleTitle=Research status of influencing factors and control technology of blasting vibration, refAbstract=null), Reference(id=1241409540378391458, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, doi=null, pmid=null, pmcid=null, year=2022, volume=null, issue=20, pageStart=26, pageEnd=28, url=null, language=null, rfNumber=[7], rfOrder=12, authorNames=洪勇, journalName=工程技术研究, refType=null, unstructuredReference=洪勇. 露天矿山爆破振动控制技术的综合评价研究[J]. 工程技术研究, 2022(20): 26-28., articleTitle=露天矿山爆破振动控制技术的综合评价研究, refAbstract=null), Reference(id=1241409541900923815, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, doi=null, pmid=null, pmcid=null, year=2022, volume=null, issue=20, pageStart=26, pageEnd=28, url=null, language=null, rfNumber=[7], rfOrder=13, authorNames=HONG Yong, journalName=Engineering Technology Research, refType=null, unstructuredReference=HONG Yong. Research on comprehensive evaluation of blasting bibration control technology in open-pit mines[J]. Engineering Technology Research, 2022(20): 26-28. (in Chinese), articleTitle=Research on comprehensive evaluation of blasting bibration control technology in open-pit mines, refAbstract=null), Reference(id=1241409542014170031, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, doi=null, pmid=null, pmcid=null, year=2020, volume=26, issue=2, pageStart=69, pageEnd=74, 86, url=null, language=null, rfNumber=[8], rfOrder=14, authorNames=林海松, journalName=工程爆破, refType=null, unstructuredReference=林海松. 高边坡爆破振动传播规律及其控制技术[J]. 工程爆破, 2020, 26(2): 69-74, 86., articleTitle=高边坡爆破振动传播规律及其控制技术, refAbstract=null), Reference(id=1241409542127416246, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, doi=null, pmid=null, pmcid=null, year=2020, volume=26, issue=2, pageStart=69, pageEnd=74, 86, url=null, language=null, rfNumber=[8], rfOrder=15, authorNames=LIN Hai-song, journalName=Engineering Blasting, refType=null, unstructuredReference=LIN Hai-song. Blasting vibration propagation law and conrtol technology of high slope[J]. Engineering Blasting, 2020, 26(2): 69-74, 86. (in Chinese), articleTitle=Blasting vibration propagation law and conrtol technology of high slope, refAbstract=null), Reference(id=1241409542274216890, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, doi=null, pmid=null, pmcid=null, year=2014, volume=null, issue=null, pageStart=81, pageEnd=106, url=null, language=null, rfNumber=[9], rfOrder=16, authorNames=杨年华, journalName=爆破振动理论与测控技术, refType=null, unstructuredReference=杨年华. 爆破振动理论与测控技术[M]. 北京: 中国铁道出版社, 2014: 81-106., articleTitle=null, refAbstract=null), Reference(id=1241409542391657404, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, doi=null, pmid=null, pmcid=null, year=2014, volume=null, issue=null, pageStart=81, pageEnd=106, url=null, language=null, rfNumber=[9], rfOrder=17, authorNames=YANG Nian-hua, journalName=Blast vibration theory and measurement control technology, refType=null, unstructuredReference=YANG Nian-hua. Blast vibration theory and measurement control technology[M]. Beijing: China Railway Publishing Hous, 2014: 81-106. (in Chinese), articleTitle=null, refAbstract=null), Reference(id=1241409542467154879, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[10], rfOrder=18, authorNames=null, journalName=null, refType=null, unstructuredReference=T/CSEB0008—2019 爆破振动检测技术规范[S]., articleTitle=null, refAbstract=null), Reference(id=1241409542567818181, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[10], rfOrder=19, authorNames=null, journalName=null, refType=null, unstructuredReference=T/CSEB0008—2019 Technical specification for monitoring of blasting vibration[S]. (in Chinese), articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1241409526327472522, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, xref=null, ext=[AuthorCompanyExt(id=1241409526340055439, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, companyId=1241409526327472522, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=North Blasting Technology Co, LTD, Beijing 100089, China), AuthorCompanyExt(id=1241409526348444045, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, companyId=1241409526327472522, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=北方爆破科技有限公司,北京 100089)])], figs=[ArticleFig(id=1241409531234808430, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=EN, label=Fig. 1, caption=Vibration measurement point layout in the 1364~1352 m blasting area, figureFileSmall=RaQTto5uhkPhdE9ElyVLuA==, figureFileBig=yOafOeEdqa0cp+rCWA0exg==, tableContent=null), ArticleFig(id=1241409531314500212, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=CN, label=图1, caption=1364~1352 m台阶爆破区域测振点布置示意图, figureFileSmall=RaQTto5uhkPhdE9ElyVLuA==, figureFileBig=yOafOeEdqa0cp+rCWA0exg==, tableContent=null), ArticleFig(id=1241409533029970565, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=EN, label=Fig. 2, caption=Vibration measurement point layout in the 1352~1340 m blasting area, figureFileSmall=3/HMkiw8UXJbVcuVsqxZeA==, figureFileBig=ibMcPOmA4oTXgxX24C4D4A==, tableContent=null), ArticleFig(id=1241409533164188304, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=CN, label=图2, caption=1352~1340 m台阶爆破区域测振点布置示意图, figureFileSmall=3/HMkiw8UXJbVcuVsqxZeA==, figureFileBig=ibMcPOmA4oTXgxX24C4D4A==, tableContent=null), ArticleFig(id=1241409533298406037, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=EN, label=Fig. 3, caption=Vibration measurement point layout in the 1340~1328 m blasting area, figureFileSmall=38x6jg0+GYSVUz86L8SA+g==, figureFileBig=a1XPpvk++QNGKPeLn3FvDQ==, tableContent=null), ArticleFig(id=1241409533407457949, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=CN, label=图3, caption=1340~1328 m台阶爆破区域测振点布置示意图, figureFileSmall=38x6jg0+GYSVUz86L8SA+g==, figureFileBig=a1XPpvk++QNGKPeLn3FvDQ==, tableContent=null), ArticleFig(id=1241409533529092774, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=EN, label=Fig. 4, caption=Vibration measurement point layout in the 1328~1316 m blasting area, figureFileSmall=drY+vVzZjH3QKjTA5zOW3Q==, figureFileBig=EmFRIZ05yLNEPAqHvaa2Xg==, tableContent=null), ArticleFig(id=1241409533646533291, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=CN, label=图4, caption=1328~1316 m台阶爆破区域测振点布置示意图, figureFileSmall=drY+vVzZjH3QKjTA5zOW3Q==, figureFileBig=EmFRIZ05yLNEPAqHvaa2Xg==, tableContent=null), ArticleFig(id=1241409533776556723, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=EN, label=Fig. 5, caption=Linear regression of 1364~1352 m blasting area, figureFileSmall=5BWfeXEOQ48mEO7sCC9m2Q==, figureFileBig=d5nhIkQEShdF2KSi+80AtA==, tableContent=null), ArticleFig(id=1241409533898191548, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=CN, label=图5, caption=1364~1352 m台阶爆破区域线性回归, figureFileSmall=5BWfeXEOQ48mEO7sCC9m2Q==, figureFileBig=d5nhIkQEShdF2KSi+80AtA==, tableContent=null), ArticleFig(id=1241409534028214979, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=EN, label=Fig. 6, caption=Linear regression of 1352~1340 m blasting area, figureFileSmall=5ChIFwHuqe9nzYeIRyTTRg==, figureFileBig=rXsiGGjBS2otRZBF8J+fJg==, tableContent=null), ArticleFig(id=1241409534229541580, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=CN, label=图6, caption=1352~1340 m台阶爆破区域线性回归, figureFileSmall=5ChIFwHuqe9nzYeIRyTTRg==, figureFileBig=rXsiGGjBS2otRZBF8J+fJg==, tableContent=null), ArticleFig(id=1241409534305039059, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=EN, label=Fig. 7, caption=Linear regression of 1340~1328 m blasting area, figureFileSmall=r65NPwoBx4C/qmeapHIrsA==, figureFileBig=JDHjMMrn0XHuMS6tBq5WrQ==, tableContent=null), ArticleFig(id=1241409534481199836, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=CN, label=图7, caption=1340~1328 m台阶爆破区域线性回归, figureFileSmall=r65NPwoBx4C/qmeapHIrsA==, figureFileBig=JDHjMMrn0XHuMS6tBq5WrQ==, tableContent=null), ArticleFig(id=1241409534573474532, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=EN, label=Fig. 8, caption=Linear regression of 1328~1316 m blasting area, figureFileSmall=wPkF7l9IzKvP1Nygt4xP7Q==, figureFileBig=J8rXJD8UQCuTLEpJ2ZOE7w==, tableContent=null), ArticleFig(id=1241409534699303656, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=CN, label=图8, caption=1328~1316 m台阶爆破区域线性回归, figureFileSmall=wPkF7l9IzKvP1Nygt4xP7Q==, figureFileBig=J8rXJD8UQCuTLEpJ2ZOE7w==, tableContent=null), ArticleFig(id=1241409534841910001, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=EN, label=Table 1, caption=

Blasting parameters

, figureFileSmall=null, figureFileBig=null, tableContent=
台阶爆区长宽比侧向临空面情况排数孔数/个孔深/m孔排距/m单孔药量/kg最大一段起爆药量/kg雷管选择/ms
1364~1352 m3.011336112~12.56×575~87.5612.517/42/500
1352~1340 m6.71721612~12.56×575~87.5612.517/42/500
1340~1328 m1.9拉槽爆破1216511~126×487.5612.525/42/500
1328~1312 m4.01816612~12.55.5×487.524025/42/500
), ArticleFig(id=1241409535068402424, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=CN, label=表1, caption=

爆破参数统计表

, figureFileSmall=null, figureFileBig=null, tableContent=
台阶爆区长宽比侧向临空面情况排数孔数/个孔深/m孔排距/m单孔药量/kg最大一段起爆药量/kg雷管选择/ms
1364~1352 m3.011336112~12.56×575~87.5612.517/42/500
1352~1340 m6.71721612~12.56×575~87.5612.517/42/500
1340~1328 m1.9拉槽爆破1216511~126×487.5612.525/42/500
1328~1312 m4.01816612~12.55.5×487.524025/42/500
), ArticleFig(id=1241409535219397378, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=EN, label=Table 2, caption=

Coordinates of vibration measurement points in the 1364~1352 m blasting area

, figureFileSmall=null, figureFileBig=null, tableContent=
编号123456
坐标 Y266 145.029266 102.923266 054.666265 990.767265 949.537266 097.618
X296 108.126296 113.113296 167.189296 175.418296 180.072296 098.731
Z1364.4581364.7031364.2431364.6281364.9401375.422
测点到爆源中心水平距r1/m69.7796.20128.04192.13233.54109.00
高程差H/m0000011
69.7796.20128.04192.13233.54109.55
测点与最近炮孔水平距r2/m23.3034.8037.90101.50143.3049.76
23.3034.8037.90101.50143.3050.96
), ArticleFig(id=1241409535357809416, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=CN, label=表2, caption=

1364~1352 m台阶爆破区测振点坐标

, figureFileSmall=null, figureFileBig=null, tableContent=
编号123456
坐标 Y266 145.029266 102.923266 054.666265 990.767265 949.537266 097.618
X296 108.126296 113.113296 167.189296 175.418296 180.072296 098.731
Z1364.4581364.7031364.2431364.6281364.9401375.422
测点到爆源中心水平距r1/m69.7796.20128.04192.13233.54109.00
高程差H/m0000011
69.7796.20128.04192.13233.54109.55
测点与最近炮孔水平距r2/m23.3034.8037.90101.50143.3049.76
23.3034.8037.90101.50143.3050.96
), ArticleFig(id=1241409535479444238, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=EN, label=Table 3, caption=

Coordinates of vibration measurement points in the 1352~1340 m blasting area

, figureFileSmall=null, figureFileBig=null, tableContent=
编号123456
坐标 Y266 005.277265 995.259265 993.929265 992.452265 985.906265 977.59
X296 217.842296 198.561296 194.923296 191.113296 173.541296 151.591
Z1351.0041363.2541363.3071363.2941363.9201363.929
测点到爆源中心水平距r1/m34.6755.9859.7063.6882.10105.20
高程差H/m1.0013.2513.3113.2913.9213.93
34.6857.5361.1765.0583.27106.12
测点与最近炮孔水平距r2/m19.2040.9044.8048.8067.5091.00
19.2342.9946.7350.5868.9292.06
), ArticleFig(id=1241409535655605012, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=CN, label=表3, caption=

1352~1340 m台阶爆破区测振点坐标

, figureFileSmall=null, figureFileBig=null, tableContent=
编号123456
坐标 Y266 005.277265 995.259265 993.929265 992.452265 985.906265 977.59
X296 217.842296 198.561296 194.923296 191.113296 173.541296 151.591
Z1351.0041363.2541363.3071363.2941363.9201363.929
测点到爆源中心水平距r1/m34.6755.9859.7063.6882.10105.20
高程差H/m1.0013.2513.3113.2913.9213.93
34.6857.5361.1765.0583.27106.12
测点与最近炮孔水平距r2/m19.2040.9044.8048.8067.5091.00
19.2342.9946.7350.5868.9292.06
), ArticleFig(id=1241409535756268310, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=EN, label=Table 4, caption=

Coordinates of vibration measurement points in the 1340~1328 m blasting area

, figureFileSmall=null, figureFileBig=null, tableContent=
编号123456
坐标 Y266 054.223266 130.023266 304.953265 925.29626 5917.539266 288.367
X296 310.760296 298.012296 258.443296 294.064296 279.044296 265.979
Z1328.8151328.1661340.3361352.5591363.8001327.311
测点到爆源中心水平距r1/m101.2178.0339.5357.351.668.4
高程差H/m-12-12-12241224
101.91178.4339.71358.1152.9872.49
测点与最近炮孔水平距r2/m61.3136.3297.4315.428.945.8
62.46136.83297.64316.3131.2951.71
), ArticleFig(id=1241409537396241182, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=CN, label=表4, caption=

1340~1328 m台阶爆破区测振点坐标

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编号123456
坐标 Y266 054.223266 130.023266 304.953265 925.29626 5917.539266 288.367
X296 310.760296 298.012296 258.443296 294.064296 279.044296 265.979
Z1328.8151328.1661340.3361352.5591363.8001327.311
测点到爆源中心水平距r1/m101.2178.0339.5357.351.668.4
高程差H/m-12-12-12241224
101.91178.4339.71358.1152.9872.49
测点与最近炮孔水平距r2/m61.3136.3297.4315.428.945.8
62.46136.83297.64316.3131.2951.71
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Coordinates of vibration measurement points in the 1328~1316 m blasting area

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编号12345
坐标 Y266 028.939266 112.681266 074.008266 050.937266 034.848
X296 248.424296 209.842296 225.770296 179.175296 139.713
Z1328.1931327.9801328.1011351.2881352.134
测振点到爆源中心水平距r1/m68.8641.9333.2884.13126.16
高程差H/m0002324
68.8641.9333.2887.22128.42
测振点与最近炮孔水平距r2/m14.0318.2018.0469.93112.40
14.0318.2018.0473.62114.93
), ArticleFig(id=1241409537622733613, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=CN, label=表5, caption=

1328~1316 m台阶爆破区测振点坐标

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编号12345
坐标 Y266 028.939266 112.681266 074.008266 050.937266 034.848
X296 248.424296 209.842296 225.770296 179.175296 139.713
Z1328.1931327.9801328.1011351.2881352.134
测振点到爆源中心水平距r1/m68.8641.9333.2884.13126.16
高程差H/m0002324
68.8641.9333.2887.22128.42
测振点与最近炮孔水平距r2/m14.0318.2018.0469.93112.40
14.0318.2018.0473.62114.93
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Vector blast vibration velocities in each blasting area

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爆破区域测点编号实测值/(cm·s-1
1364~1352 m120.15
28.67
37.39
41.80
52.87
610.97
1352~1340 m126.68
211.13
310.19
49.27
53.67
72.04
1340~1328 m14.01
21.79
30.35
40.57
513.62
66.71
1328~1316 m129.70
218.15
39.24
41.91
50.89
), ArticleFig(id=1241409537815671604, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=CN, label=表6, caption=

各台阶爆破区域测振点矢量值

, figureFileSmall=null, figureFileBig=null, tableContent=
爆破区域测点编号实测值/(cm·s-1
1364~1352 m120.15
28.67
37.39
41.80
52.87
610.97
1352~1340 m126.68
211.13
310.19
49.27
53.67
72.04
1340~1328 m14.01
21.79
30.35
40.57
513.62
66.71
1328~1316 m129.70
218.15
39.24
41.91
50.89
), ArticleFig(id=1241409537903751992, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=EN, label=Table 7, caption=

Optimized vector blast vibration velocities in each blasting area

, figureFileSmall=null, figureFileBig=null, tableContent=
爆破区域测点编号降噪后数值/(cm·s-1
1364~1352 m119.54
28.46
37.28
41.79
52.85
610.77
1352~1340 m125.01
211.01
310.11
49.28
53.68
62.01
1340~1328 m13.83
21.73
30.31
40.54
512.54
66.15
1328~1316 m129.26
218.17
39.23
41.88
50.87
), ArticleFig(id=1241409538063135550, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=CN, label=表7, caption=

各爆破区域爆破振动矢量合成数值优化

, figureFileSmall=null, figureFileBig=null, tableContent=
爆破区域测点编号降噪后数值/(cm·s-1
1364~1352 m119.54
28.46
37.28
41.79
52.85
610.77
1352~1340 m125.01
211.01
310.11
49.28
53.68
62.01
1340~1328 m13.83
21.73
30.31
40.54
512.54
66.15
1328~1316 m129.26
218.17
39.23
41.88
50.87
), ArticleFig(id=1241409538159604548, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=EN, label=Table 8, caption=

Calculation results of K and α values in each blasting area

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爆破区域 K a
1364~1352 m257.01.58
1352~1340 m229.11.57
1340~1328 m218.81.60
1328~1316 m257.01.87
), ArticleFig(id=1241409538327376713, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=CN, label=表8, caption=

各爆破区域K值、α值线性回归计算结果

, figureFileSmall=null, figureFileBig=null, tableContent=
爆破区域 K a
1364~1352 m257.01.58
1352~1340 m229.11.57
1340~1328 m218.81.60
1328~1316 m257.01.87
), ArticleFig(id=1241409538453205838, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=EN, label=Table 9, caption=

Theoretical values of measurement point and the relative error to the actual value after noise reduction in each blasting area

, figureFileSmall=null, figureFileBig=null, tableContent=
爆破区域测点编号理论计算值/(cm·s-1相对误差/%
1364~1352 m116.8213.92
28.915.32
37.797.01
41.648.38
51.3154.04
64.8854.69
1352~1340 m124.332.72
210.990.18
39.981.29
49.062.37
56.1567.12
64.20108.96
1340~1328 m13.973.66
21.626.36
30.5887.10
40.531.85
511.309.89
66.8411.22
1328~1316 m129.070.65
218.300.72
317.8793.61
41.785.32
50.861.15
), ArticleFig(id=1241409538587423572, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241409511534161984, language=CN, label=表9, caption=

各爆破区域测点理论值及与降噪后实际值相对误差

, figureFileSmall=null, figureFileBig=null, tableContent=
爆破区域测点编号理论计算值/(cm·s-1相对误差/%
1364~1352 m116.8213.92
28.915.32
37.797.01
41.648.38
51.3154.04
64.8854.69
1352~1340 m124.332.72
210.990.18
39.981.29
49.062.37
56.1567.12
64.20108.96
1340~1328 m13.973.66
21.626.36
30.5887.10
40.531.85
511.309.89
66.8411.22
1328~1316 m129.070.65
218.300.72
317.8793.61
41.785.32
50.861.15
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露天采场台阶爆破萨道夫斯基公式的线性回归分析
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杜军 , 花良奎 , 厉美杰 , 王洪强 , 王明伟
爆破 | 安全与管理 2024,41(4): 181-186
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爆破 | 安全与管理 2024, 41(4): 181-186
露天采场台阶爆破萨道夫斯基公式的线性回归分析
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杜军 , 花良奎, 厉美杰, 王洪强, 王明伟
作者信息
  • 北方爆破科技有限公司,北京 100089
  • 杜军(1981-),男,本科、高级工程师,工程爆破施工作业,(E-mail)

    DU Jun (1981-), male, undergraduate, senior engineer, Engineering blasting construction operations, (E-mail) .

Linear Regression Analysis on Sadovsky Formula for Open-pit Bench Blasting
Jun DU , Liang-kui HUA, Mei-jie LI, Hong-qiang WANG, Ming-wei WANG
Affiliations
  • North Blasting Technology Co, LTD, Beijing 100089, China
出版时间: 2024-12-01 doi: 10.3963/j.issn.1001-487X.2024.04.023
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随着爆破器材的不断发展,尤其高精度导爆管雷管和电子雷管的普及,露天采场台阶爆破在进行萨道夫斯基公式线性回归分析,对于测振点距离爆破区域较近而无法忽略炮孔散布位置时,在选择最大一段起爆药量和爆源至测振点距离上定义模糊。针对逐孔爆破近距离爆破测振,采用比例距离,最大一段起爆药量选取≤8 ms的总装药量或距离该测振点最近炮孔的药量,爆源至测振点距离选取最大一段起爆药量炮孔范围的中心距测振点的三维距离或距离该测振点最近炮孔的三维距离,通过群孔比例距离和单孔比例距离两者数值对比,选取比例距离较小者进行线性回归。结果表明:采用该种方法,对于同一方向或邻近方向的测振点数值,经过降噪处理后,能相对较准确地进行线性回归。

逐孔爆破  /  爆破振动  /  近距离爆破测振  /  萨道夫斯基线性回归  /  比例距离

With the continuous development of blasting equipment, the popularization of high-precision detonator detonators and electronic detonators have been widely used in open-pit bench blasting. However, the definition is vague in the selection of the maximum amount of initiating charge and the distance from the detonation source to the vibration measurement point for the linear regression analysis of the Sadovsky formula when the vibration measurement point is close to the blasting area, and the dispersion position of the blast hole cannot be ignored. A proportional distance was used to measure close-range blasting vibrations by hole blasting. The total charge with a delay interval smaller than 8 ms or the charge quantity nearest to the vibration measurement point was selected as the maximum blasting charge in a section. The distance between the detonation source and the vibration measurement point was selected as the three-dimensional distance between the center of the hole range of the maximum blasting charge and the vibration measurement point or the three-dimensional distance between the hole and the nearest vibration measurement point. The one with a smaller proportional distance was selected for linear regression by comparing the group proportional and single proportional distances. The results show that it has relatively accurate linear regression using this method for the same direction or near the direction of the vibration point value after the noise reduction process.

hole-by-hole blasting  /  blasting vibration  /  close-range vibration measurement  /  linear regression  /  proportional distance
杜军, 花良奎, 厉美杰, 王洪强, 王明伟. 露天采场台阶爆破萨道夫斯基公式的线性回归分析. 爆破, 2024 , 41 (4) : 181 -186 . DOI: 10.3963/j.issn.1001-487X.2024.04.023
Jun DU, Liang-kui HUA, Mei-jie LI, Hong-qiang WANG, Ming-wei WANG. Linear Regression Analysis on Sadovsky Formula for Open-pit Bench Blasting[J]. Blasting, 2024 , 41 (4) : 181 -186 . DOI: 10.3963/j.issn.1001-487X.2024.04.023
露天矿山爆破施工作业时,爆破产生的有害效应中,爆破振动及高程差带来的爆破振动放大效应而导致的安全平台或边坡的垮塌事件时有发生[1-5]。对于封闭圈较小的露天矿山或临近高陡边坡时,爆破时产生的振动对边坡的影响不容忽视,因此需要对爆破振动进行控制[6-8]。根据爆破测振相关规范和标准[9,10],杜军等人在某铜钴氧化矿露天采场通过近距离爆破测振试验,采用比例距离,低通滤波对实测数值进行降噪的方法,对萨道夫斯基公式进行线性回归分析,得出Ka值,并分析理论计算值和实际值误差的原因。
该露天采场为铜钴氧化矿露天采场,矿石主要为孔雀石、水钴矿、钴华,少量为硅孔雀石,矿石构造常见为蜂窝状构造。基岩为白云岩类为主的碳酸盐岩,地表风化和岩溶作用强烈,局部夹有软弱夹层和构造破碎带。境界上口尺寸:511 m×399 m;境界内采出矿石量293.61万t,剥离岩石量2846.76万t。采场台阶高度12 m,钻孔设备采用FlexiROC D50履带式潜孔钻机一体机,孔径ϕ 138 mm。
针对该铜钴氧化矿露天采场爆破振动试验共进行了4次,包括1364~1352 m台阶、1352~1340 m台阶、1340~1328 m台阶及1328~1316 m台阶,4个爆破区域均采用多孔粒状铵油炸药,起爆弹为150 g,地表及孔内均采用高精度导爆管雷管,孔间选择17 ms或25 ms,排间选择42 ms,孔内为500 ms,装药结构为连续装药。
爆破参数统计表见表1
试验选用中科测控的TC-4850爆破测振仪,采样频率8 k,触发电平0.2 cm/s,采样延时-100 ms,采样长度根据爆区网络总延时时间选择。
(1)1364~1352 m台阶爆破区域
该爆破区域分别布设6个测振点,1-5号测振点与炮孔孔口在一个水平面,1号点,2号点,5号点距离1364 m平台边坡坡脚1 m处,6号点位于1376 m平台坡顶2.5 m处。具体各测振点示意图见图1,各测振点具体位置见表2
(2)1352~1340 m台阶爆破区域
该爆破区域分别布设6个测振点,1号测振点与炮孔孔口在一个水平面,2~5及7号位于1364 m平台。具体各测振点示意图见图2,各测振点具体位置见表3
(3)1340~1328 m台阶爆破区域
该爆破区域分别布设6个测振点,1~3号测振点处于同一高程上,4号测振点距临空面3 m位置,5号测振点位于1352 m平台12 m宽安全平台中心处,6号测振点位于1364平台,距离临空面4 m处。具体各测振点示意图见图3,各测振点具体位置见表4
(4)1328~1316 m台阶爆破区域
该爆破区域分别布设5个测振点,1~3号测振点与炮孔孔口处于同一高程上,4~5号测振点位于1340 m平台位置。具体各测振点示意图见图4,各测振点具体位置见表5
各爆破区域测振点实测矢量值见表6
试验中各测振点由于距离爆破区域较近,存在着环境噪声对采集数据的影响。为了保证采集数据的真实有效性,采用低通滤波的方式读取各测振仪测得的振动数据,低通滤波阈值选取300 Hz,统计结果如表7所示。
根据萨道夫斯基公式,取,萨道夫斯基公式即为
公式两边各进行对数函数运算,即
式中:V为介质质点的振动速度,取降噪后矢量合速度,cm/s;K为衰减系数,与爆破临空面条件和爆破网络延时叠加情况有关;R为测点到爆心距离,m,取测点到爆源中心的三维距离(R1)和测点与最近炮孔三维距离(R2);Q为最大一次单段爆破量,取群孔延时时差≤8 ms的炮孔最大装药量总和(Q2)和距离测点最近炮孔药量(Q1);R′为比例距离,取群孔比例距离和单孔比例距离,当R′>R′时,R′=R′,反之,R′=R′α为衰减指数,与地形地质条件有关,与岩石软硬,地形起伏有关。
采用origin软件对公式(2)中lg K值、α值进行线性回归,见图5~图8
通过线性回归,得出K值、α值如表8所示。
根据K值,a值及对应的比例距离,计算各测点的理论值,计算结果如表9所示。
从表中各测点的降噪后的实际数值和理论值的对比中可以看出:
(1)1364~1352 m台阶爆破区域5号和6号测振点降噪后实测数据大于理论计算值,分析原因:5号点距离1376~1364 m台阶边坡坡脚1 m处,6号点位于1376~1364 m台阶坡顶2.5 m处。根据爆破振动波传播规律,在2个测点位置存在着爆破振动叠加效应的可能性。
(2)1352~1340 m台阶爆破区域5号和6号测振点,降噪后实际数据小于理论计算值,分析原因:4号点与5号点之间可能存在着地质缺陷而导致爆破振动波在两点之间出现了明显的衰减。这种地质缺陷包含节理裂隙、溶洞及蜂窝状地质构造等。
(3)1340~1328 m台阶爆破区域1、3、6号测振点及1328~1316 m台阶爆破区域2、3号测振点降噪后实测数据均小于理论计算值,分析原因:由于铜钴氧化矿较多的存在节理裂隙、溶洞及蜂窝状地质构造,存在着因这些原因而导致。
通过以上四组试验结果的对比,结论如下:
(1)逐孔爆破近距离爆破测振的情况下,通过对比测振点最近炮孔和群孔比例距离进行萨道夫斯基公式线性回归是可行的。
(2)在进行萨道夫斯基公式进行线性回归时,应考虑到环境噪声对测振仪实测数据的干扰,应对实测数据进行降噪处理。
(3)衰减系数K值取决于该爆破区域产生的爆破振动大小。对于近距离测振时应考虑最后排单孔装药量、最大一段起爆药量、爆破区域的矿岩石的软硬程度及爆破区域岩矿石是否充分破碎、位移等条件。
(4)爆破振动衰减在正高程差存在的情况下仍然较为规律的遵循萨道夫斯基公式。爆破振动叠加效应较容易在坡底和正高程差边坡坡顶一定范围内。
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2024年第41卷第4期
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doi: 10.3963/j.issn.1001-487X.2024.04.023
  • 接收时间:2024-04-16
  • 首发时间:2026-03-19
  • 出版时间:2024-12-01
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    北方爆破科技有限公司,北京 100089
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