Article(id=1241777705558020151, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241777699996368955, articleNumber=null, orderNo=null, doi=10.3963/j.issn.1001-487X.2024.02.007, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1677600000000, receivedDateStr=2023-03-01, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773992476119, onlineDateStr=2026-03-20, pubDate=1717171200000, pubDateStr=2024-06-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773992476119, onlineIssueDateStr=2026-03-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773992476119, creator=13701087609, updateTime=1773992476119, updator=13701087609, issue=Issue{id=1241777699996368955, tenantId=1146029695717560320, journalId=1240670690148397066, year='2024', volume='41', issue='2', pageStart='1', pageEnd='252', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773992474792, creator=13701087609, updateTime=1773992784144, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241778997575619516, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241777699996368955, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241778997575619517, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241777699996368955, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=51, endPage=59, ext={EN=ArticleExt(id=1241777705868398659, articleId=1241777705558020151, tenantId=1146029695717560320, journalId=1240670690148397066, language=EN, title=Design and Practice of Rock Plug Blasting in Cryogenic Environment, columnId=1240702071733801442, journalTitle=Blasting, columnName=THEORETICAL AND TECHNOLOGICAL EXPLORATION, runingTitle=null, highlight=null, articleAbstract=
The Yinsong Water Diversion Project is a large-scale water diversion project aimed at solving the urban water supply problem in the central region of Jilin Province. The rock plug blasting at the intake is a key control engineering aspect of the project. The rock plug has a trumpet-shaped opening with a top width of 28.4 m, bottom width of 7.0 m, and thickness of 15.76 m. The construction site is located in a cold zone with temperatures ranging from-10℃ to-15℃ during the freezing period, resulting in an ice cover thickness of approximately 0.5 m. There are limited reference cases for implementing rock plug blasting operations under such low-temperature frozen conditions. To address the technical challenges faced, both 1∶1 scale rock plug blasting tests and low-temperature tests on explosive materials were conducted. The results of the 1∶1 scale rock plug blasting test were consistent with the original design, as confirmed through post-blast inspections which showed that the shape and dimensions of the intake met design requirements and achieved expected goals. This verified the feasibility of groove excavation hole layout, charge structure, amount of explosives used, and initiation network as planned in the design. The low-temperature test on explosive materials resolved issues related to phase separation and loss of sensitizing bubbles for ordinary emulsion explosives under low-temperature frozen environments. It also examined reliability by using physically treated solid particles for sensitized high-water-resistant emulsion explosives; experimental measurements met technical requirements. All communication, timing synchronization, and networking functions for high-precision digital electronic detonators operated normally. The high-energy detonation of the explosive charge was effectively controlled by implementing protective measures such as setting end caps and using epoxy resin. The sensitivity to detonation did not show any significant changes. Through a comparison with conventional blasting holes, it was observed that the equipment subjected to low-temperature testing met the design requirements satisfactorily. Based on the results of these two experiments, optimization of the blasting scheme was carried out. During actual operations, issues such as protruding ice formations on the inner walls of boreholes and difficulties in loading explosive charges were successfully resolved. The initiation network employed three main lines encircling the lining connection section, each distinguished by a different color. Electronic detonators were grouped according to their corresponding color-coded main line connections. This circular arrangement of blast initiation lines effectively prevented water leakage at low temperatures, ensuring waterproof integrity within connecting components and facilitating subsequent drilling and charging operations. To alleviate pressure build-up after blasting, relief holes were excavated in the upper ice layer above rock plugs for pressure release purposes. The resulting cross-section after blasting closely matched the design specifications without any noticeable collapse at tunnel entrances or excessive vibration levels at critical monitoring points during blasting operations. This study demonstrates that effective control over blast vibrations and environmental protection can be achieved through well-executed rock plug blasting techniques.
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引松供水是解决吉林省中部地区城市供水问题的大型调水工程,取水口的岩塞爆破是项目的重点控制性工程。该岩塞为喇叭口形状,顶宽28.4 m,底宽7.0 m,塞体厚15.76 m。施工地处低温地带,气温在-10~-15℃左右,正直冰冻期,冰盖厚约0.5 m。在低温冰冻的环境下实施岩塞爆破作业,可参考的工程案例较少。针对所面临的技术难点,分别进行了1∶1岩塞爆破试验和爆器材低温试验。1∶1岩塞爆破试验与原位岩塞爆破方案基本一致,爆后经检查,进水口形状、尺寸与设计基本符合,达到了预期目标,实际验证了设计中的掏槽孔等相关炮孔布置、装药结构、炸药使用量和起爆网路的可行性。爆破器材低温试验解决了低温冰冻环境下普通乳化炸药的水相氧化剂析晶与敏化气泡丧失后拒爆的问题,检验了采用了物理方式的固体颗粒进行敏化高抗水乳化炸药的可靠性,试验实测值达到了技术要求。高精度数码电子雷管的通讯、授时、组网全部正常。高能导爆索因采取设置端头帽和环氧树脂等防护措施,爆轰感度没有明显变化。通过正常装药的爆破孔爆破对比,经过低温试验的爆破器材较好地满足设计要求。根据两次试验结果,对爆破方案进行了优化。在实际作业过程中遇到炮孔内壁出现凸起冰凌,药柱无法装入等问题都得到很好的解决。起爆网路采用的是将沿衬砌连接段环绕一周的三条主线分为不同颜色,电子雷管按分组接在对应颜色的主线上。环形的爆破主线的能有效避免低温渗漏水导致连接件内防水失效,也为后续拆除钻孔、装药作业平台提供便利。通过在岩塞上部冰层开凿泄压孔进行爆破破冰,及时泄放压力。爆后断面与设计相差很小,洞口外侧未发现垮塌,关键部位爆破振动监测点峰值均有效控制在安全允许范围内,达到了预期的一次爆通成型、控制爆破振动和环境保护的效果,证明该岩塞爆破良好。本次爆破成功表明在低温冰冻的气候环境下实施精准的岩塞爆破是可行,可为类似环境下的岩塞爆破施工提供相关数据参考。
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迟祥(1992-),男,辽宁省营口大石桥市,大学本科、中级爆破工程师,从事爆破设计施工、安全评估评估及安全监理等方面的研究,(E-mail)653085512@qq.com。
CHI Xiang (1992-), male, Yingkou Dashiqiao City, Liaoning Province, undergraduate, intermediate blasting engineer, engaged in blasting design and construction, safety assessment and safety supervision and other aspects of research, (E-mail) 653085512@qq.com.
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迟祥(1992-),男,辽宁省营口大石桥市,大学本科、中级爆破工程师,从事爆破设计施工、安全评估评估及安全监理等方面的研究,(E-mail)653085512@qq.com。
CHI Xiang (1992-), male, Yingkou Dashiqiao City, Liaoning Province, undergraduate, intermediate blasting engineer, engaged in blasting design and construction, safety assessment and safety supervision and other aspects of research, (E-mail) 653085512@qq.com.
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迟祥(1992-),男,辽宁省营口大石桥市,大学本科、中级爆破工程师,从事爆破设计施工、安全评估评估及安全监理等方面的研究,(E-mail)653085512@qq.com。
CHI Xiang (1992-), male, Yingkou Dashiqiao City, Liaoning Province, undergraduate, intermediate blasting engineer, engaged in blasting design and construction, safety assessment and safety supervision and other aspects of research, (E-mail) 653085512@qq.com.
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2014., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1241777709928485112, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, xref=null, ext=[AuthorCompanyExt(id=1241777709932679418, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, companyId=1241777709928485112, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Jilin Dongdelai Blasting Demolition Co, Ltd, Jilin 132000, China), AuthorCompanyExt(id=1241777709949456636, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, companyId=1241777709928485112, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=吉林东德来爆破拆除有限公司,吉林市 132000)])], figs=[ArticleFig(id=1241777713216819588, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=EN, label=Fig. 1, caption=
Longitudinal profile of water intake (unit: m), figureFileSmall=N/jz7l4dFPMOAZeDc1fodw==, figureFileBig=hd9/RsdtP56QzpCbTIsOXQ==, tableContent=null), ArticleFig(id=1241777713334260108, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=CN, label=图1, caption=
取水口纵剖面图(单位:m), figureFileSmall=N/jz7l4dFPMOAZeDc1fodw==, figureFileBig=hd9/RsdtP56QzpCbTIsOXQ==, tableContent=null), ArticleFig(id=1241777713543975328, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=EN, label=Fig. 2, caption=
1∶1 Longitudinal section of rock plug (unit: cm), figureFileSmall=cBWPzy7Z1c9jJzWmH0XLTg==, figureFileBig=cotAi6RXF69T36vg5+pTMA==, tableContent=null), ArticleFig(id=1241777713644638633, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=CN, label=图2, caption=
1∶1岩塞纵剖面图(单位:cm), figureFileSmall=cBWPzy7Z1c9jJzWmH0XLTg==, figureFileBig=cotAi6RXF69T36vg5+pTMA==, tableContent=null), ArticleFig(id=1241777713732719021, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=EN, label=Fig. 3, caption=
1∶1 Effect diagram of rock plug blasting test, figureFileSmall=ASUr69oL1c8zXz1kUJKa3A==, figureFileBig=jIYLn8/6qM2hdUQLFaXfSQ==, tableContent=null), ArticleFig(id=1241777713845965241, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=CN, label=图3, caption=
1∶1岩塞爆破试验效果图, figureFileSmall=ASUr69oL1c8zXz1kUJKa3A==, figureFileBig=jIYLn8/6qM2hdUQLFaXfSQ==, tableContent=null), ArticleFig(id=1241777713971794374, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=EN, label=Fig. 4, caption=
Blast hole layout (unit: cm), figureFileSmall=9anpvEHP8GOVzQzWJTE9/A==, figureFileBig=r7p66fps7QdGUVwIeR9M1w==, tableContent=null), ArticleFig(id=1241777714114400720, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=CN, label=图4, caption=
炮孔布置图(单位:cm), figureFileSmall=9anpvEHP8GOVzQzWJTE9/A==, figureFileBig=r7p66fps7QdGUVwIeR9M1w==, tableContent=null), ArticleFig(id=1241777714303144419, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=EN, label=Fig. 5, caption=
Blasting network layout, figureFileSmall=SnKxMNywaK6epgdLU2JA2A==, figureFileBig=aRUtvTgcZQ5yjYPEuX8lnw==, tableContent=null), ArticleFig(id=1241777714428973550, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=CN, label=图5, caption=
爆破网路布置图, figureFileSmall=SnKxMNywaK6epgdLU2JA2A==, figureFileBig=aRUtvTgcZQ5yjYPEuX8lnw==, tableContent=null), ArticleFig(id=1241777714558996985, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=EN, label=Fig. 6, caption=
Project area location diagram, figureFileSmall=bFJdW0Ar2LQyPrHxjL8kwg==, figureFileBig=Qudcps01kn79yVbdMcCnXQ==, tableContent=null), ArticleFig(id=1241777714647077380, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=CN, label=图6, caption=
工程区位置示意图, figureFileSmall=bFJdW0Ar2LQyPrHxjL8kwg==, figureFileBig=Qudcps01kn79yVbdMcCnXQ==, tableContent=null), ArticleFig(id=1241777714751934993, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=EN, label=Fig. 7, caption=
Layout of pressure relief hole on ice surface, figureFileSmall=61Yv3k8TI0uYyCwWVvhnvA==, figureFileBig=BA2Wgi1pAqqEyLM/zK/e0w==, tableContent=null), ArticleFig(id=1241777714852598299, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=CN, label=图7, caption=
冰面泄压孔布置图, figureFileSmall=61Yv3k8TI0uYyCwWVvhnvA==, figureFileBig=BA2Wgi1pAqqEyLM/zK/e0w==, tableContent=null), ArticleFig(id=1241777714974233129, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=EN, label=Fig. 8, caption=
Ice surface uplift of reservoir, figureFileSmall=Ir5EY2PolD1lKKpwcP+ENw==, figureFileBig=SWrewrcvqj+J0cYwrYgX6Q==, tableContent=null), ArticleFig(id=1241777715087479346, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=CN, label=图8, caption=
水库冰面隆起现象, figureFileSmall=Ir5EY2PolD1lKKpwcP+ENw==, figureFileBig=SWrewrcvqj+J0cYwrYgX6Q==, tableContent=null), ArticleFig(id=1241777715179754049, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=EN, label=Fig. 9, caption=
Vdy3 measuring point vibration velocity vibration process, figureFileSmall=n+as6jJkvImJcGUMeHEW4w==, figureFileBig=SkPMOx100CG2hEBSDRBZfg==, tableContent=null), ArticleFig(id=1241777715280417357, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=CN, label=图9, caption=
Vdy3测点振动速度振动历程, figureFileSmall=n+as6jJkvImJcGUMeHEW4w==, figureFileBig=SkPMOx100CG2hEBSDRBZfg==, tableContent=null), ArticleFig(id=1241777715355914841, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=EN, label=Table 1, caption=
High water resistance emulsion explosive test results table
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 项目 | 数量 | 技术要求 | 常温实测值 | 试验实测值 | 结果 |
|---|
| 1 | 爆速 | 3节 | ≥3.2×103 m/s | 5.1×103 m/s | 3.8×103 m/s | 合格 |
| 2 | 猛度 | 2节 | ≥12 mm | X=15.6 mm | X=13.1 mm | 合格 |
| 3 | 殉爆 | 10节 | ≥30 mm | 爆炸完全 | 基本爆炸完全 | 合格 |
), ArticleFig(id=1241777715452383844, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=CN, label=表1, caption=
高抗水乳化炸药试验结果表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 项目 | 数量 | 技术要求 | 常温实测值 | 试验实测值 | 结果 |
|---|
| 1 | 爆速 | 3节 | ≥3.2×103 m/s | 5.1×103 m/s | 3.8×103 m/s | 合格 |
| 2 | 猛度 | 2节 | ≥12 mm | X=15.6 mm | X=13.1 mm | 合格 |
| 3 | 殉爆 | 10节 | ≥30 mm | 爆炸完全 | 基本爆炸完全 | 合格 |
), ArticleFig(id=1241777715548852846, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=EN, label=Table 2, caption=
Design results of rock plug blasting at water intake
, figureFileSmall=null, figureFileBig=null, tableContent=
| 炮孔类别 | 炮孔编号 | 孔数/个 | 孔径/mm | 平均孔深/m | 单孔平均装药量/(kg·孔) | 各类别总计/kg |
|---|
| 中心掏槽孔 | T0 | 1 | 90 | 6.55 | 20.0 | 182.2 |
| 第一圈掏槽孔 | T1~T8 | 8 | 90 | 6.60 | 20.3 |
| 第一圈主炮孔 | Z1~Z10 | 10 | 90 | 6.79 | 17.0 | 169.7 |
| 第二圈主炮孔 | Z11~Z22 | 12 | 90 | 6.93 | 17.3 | 207.1 |
| 第三圈主炮孔 | Z23~Z40 | 18 | 90 | 7.06 | 17.7 | 319.0 |
| 第四圈主炮孔 | Z41~Z62 | 22 | 90 | 7.08 | 17.9 | 394.1 |
| 光爆孔 | G1~G40 | 40 | 75 | 7.08 | 9.0 | 360.9 |
| 炸药总量/kg | 1633 |
), ArticleFig(id=1241777715649516151, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=CN, label=表2, caption=
取水口岩塞爆破设计成果表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 炮孔类别 | 炮孔编号 | 孔数/个 | 孔径/mm | 平均孔深/m | 单孔平均装药量/(kg·孔) | 各类别总计/kg |
|---|
| 中心掏槽孔 | T0 | 1 | 90 | 6.55 | 20.0 | 182.2 |
| 第一圈掏槽孔 | T1~T8 | 8 | 90 | 6.60 | 20.3 |
| 第一圈主炮孔 | Z1~Z10 | 10 | 90 | 6.79 | 17.0 | 169.7 |
| 第二圈主炮孔 | Z11~Z22 | 12 | 90 | 6.93 | 17.3 | 207.1 |
| 第三圈主炮孔 | Z23~Z40 | 18 | 90 | 7.06 | 17.7 | 319.0 |
| 第四圈主炮孔 | Z41~Z62 | 22 | 90 | 7.08 | 17.9 | 394.1 |
| 光爆孔 | G1~G40 | 40 | 75 | 7.08 | 9.0 | 360.9 |
| 炸药总量/kg | 1633 |
), ArticleFig(id=1241777715771150982, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=EN, label=Table 3, caption=
Rock plug blasting procedure at water intake
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 响数 | 孔类 | 时间/ms | 延迟时间/ms | 孔号 | 孔数/个 | 单响药量/kg |
|---|
| 1 | 第1响 | 观测信号点 | 1000 | 1000 | | | |
| 掏槽孔 | T0 | 1 | 20.0 |
| 2 | 第2响 | 掏槽孔 | 1100 | 100 | T1、T2 | 2 | 39.9 |
| 3 | 第3响 | 掏槽孔 | 1109 | 9 | T3、T4 | 2 | 41.6 |
| 4 | 第4响 | 掏槽孔 | 1118 | 9 | T5、T6 | 2 | 41.6 |
| 5 | 第5响 | 掏槽孔 | 1127 | 9 | T7、T8 | 2 | 40.8 |
| 6 | 第6响 | 第一圈主爆孔 | 1200 | 100 | Z1、Z2 | 2 | 34.5 |
| 7 | 第7响 | 第一圈主爆孔 | 1209 | 9 | Z3、Z4 | 2 | 33.7 |
| 8 | 第8响 | 第一圈主爆孔 | 1218 | 9 | Z5、Z6 | 2 | 32.4 |
| 9 | 第9响 | 第一圈主爆孔 | 1227 | 9 | Z7、Z8 | 2 | 33.3 |
| 10 | 第10响 | 第一圈主爆孔 | 1236 | 9 | Z9、Z10 | 2 | 34.5 |
| 11 | 第11响 | 第二圈主爆孔 | 1300 | 100 | Z11~Z13 | 3 | 52.3 |
| 12 | 第12响 | 第二圈主爆孔 | 1309 | 9 | Z14~Z16 | 3 | 46.8 |
| 13 | 第13响 | 第二圈主爆孔 | 1318 | 9 | Z17~Z19 | 3 | 49.3 |
| 14 | 第14响 | 第二圈主爆孔 | 1327 | 9 | Z20~Z22 | 3 | 52.2 |
| 15 | 第15响 | 第三圈主爆孔 | 1400 | 100 | Z23~Z25 | 3 | 53.7 |
| 16 | 第16响 | 第三圈主爆孔 | 1409 | 9 | Z26~Z28 | 3 | 52.8 |
| 17 | 第17响 | 第三圈主爆孔 | 1418 | 9 | Z29~Z31 | 3 | 44.1 |
| 18 | 第18响 | 第三圈主爆孔 | 1427 | 9 | Z32~Z34 | 3 | 49.3 |
| 19 | 第19响 | 第三圈主爆孔 | 1436 | 9 | Z35~Z37 | 3 | 54.7 |
| 20 | 第20响 | 第三圈主爆孔 | 1445 | 9 | Z38~Z40 | 3 | 56.0 |
| 21 | 第21响 | 第四圈主爆孔 | 1500 | 100 | Z41~Z43 | 3 | 61.9 |
| 22 | 第22响 | 第四圈主爆孔 | 1509 | 9 | Z44~Z46 | 3 | 49.1 |
| 23 | 第23响 | 第四圈主爆孔 | 1518 | 9 | Z47~Z50 | 4 | 57.3 |
| 24 | 第24响 | 第四圈主爆孔 | 1527 | 9 | Z51~Z53 | 3 | 42.6 |
| 25 | 第25响 | 第四圈主爆孔 | 1536 | 9 | Z54~Z56 | 3 | 56.8 |
| 26 | 第26响 | 第四圈主爆孔 | 1545 | 9 | Z57~Z59 | 3 | 58.1 |
| 27 | 第27响 | 第四圈主爆孔 | 1554 | 0 | Z60~Z62 | 3 | 57.2 |
| 28 | 第28响 | 光爆孔 | 1579 | 25 | G1~G5 | 5 | 53.5 |
| 29 | 第29响 | 光爆孔 | 1588 | 9 | G6~G10 | 5 | 47.8 |
| 30 | 第30响 | 光爆孔 | 1597 | 9 | G11~G15 | 5 | 35.8 |
| 31 | 第31响 | 光爆孔 | 1606 | 9 | G16~G20 | 5 | 33.8 |
| 32 | 第32响 | 光爆孔 | 1615 | 0 | G21~G25 | 5 | 35.6 |
| 33 | 第33响 | 光爆孔 | 1624 | 9 | G26~G30 | 5 | 46.7 |
| 34 | 第34响 | 光爆孔 | 1633 | 9 | G31~G35 | 5 | 50.6 |
| 35 | 第35响 | 光爆孔 | 1642 | 9 | G36~G40 | 5 | 48.7 |
| 合计 | 1599.1 |
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取水口岩塞爆破程序表
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| 序号 | 响数 | 孔类 | 时间/ms | 延迟时间/ms | 孔号 | 孔数/个 | 单响药量/kg |
|---|
| 1 | 第1响 | 观测信号点 | 1000 | 1000 | | | |
| 掏槽孔 | T0 | 1 | 20.0 |
| 2 | 第2响 | 掏槽孔 | 1100 | 100 | T1、T2 | 2 | 39.9 |
| 3 | 第3响 | 掏槽孔 | 1109 | 9 | T3、T4 | 2 | 41.6 |
| 4 | 第4响 | 掏槽孔 | 1118 | 9 | T5、T6 | 2 | 41.6 |
| 5 | 第5响 | 掏槽孔 | 1127 | 9 | T7、T8 | 2 | 40.8 |
| 6 | 第6响 | 第一圈主爆孔 | 1200 | 100 | Z1、Z2 | 2 | 34.5 |
| 7 | 第7响 | 第一圈主爆孔 | 1209 | 9 | Z3、Z4 | 2 | 33.7 |
| 8 | 第8响 | 第一圈主爆孔 | 1218 | 9 | Z5、Z6 | 2 | 32.4 |
| 9 | 第9响 | 第一圈主爆孔 | 1227 | 9 | Z7、Z8 | 2 | 33.3 |
| 10 | 第10响 | 第一圈主爆孔 | 1236 | 9 | Z9、Z10 | 2 | 34.5 |
| 11 | 第11响 | 第二圈主爆孔 | 1300 | 100 | Z11~Z13 | 3 | 52.3 |
| 12 | 第12响 | 第二圈主爆孔 | 1309 | 9 | Z14~Z16 | 3 | 46.8 |
| 13 | 第13响 | 第二圈主爆孔 | 1318 | 9 | Z17~Z19 | 3 | 49.3 |
| 14 | 第14响 | 第二圈主爆孔 | 1327 | 9 | Z20~Z22 | 3 | 52.2 |
| 15 | 第15响 | 第三圈主爆孔 | 1400 | 100 | Z23~Z25 | 3 | 53.7 |
| 16 | 第16响 | 第三圈主爆孔 | 1409 | 9 | Z26~Z28 | 3 | 52.8 |
| 17 | 第17响 | 第三圈主爆孔 | 1418 | 9 | Z29~Z31 | 3 | 44.1 |
| 18 | 第18响 | 第三圈主爆孔 | 1427 | 9 | Z32~Z34 | 3 | 49.3 |
| 19 | 第19响 | 第三圈主爆孔 | 1436 | 9 | Z35~Z37 | 3 | 54.7 |
| 20 | 第20响 | 第三圈主爆孔 | 1445 | 9 | Z38~Z40 | 3 | 56.0 |
| 21 | 第21响 | 第四圈主爆孔 | 1500 | 100 | Z41~Z43 | 3 | 61.9 |
| 22 | 第22响 | 第四圈主爆孔 | 1509 | 9 | Z44~Z46 | 3 | 49.1 |
| 23 | 第23响 | 第四圈主爆孔 | 1518 | 9 | Z47~Z50 | 4 | 57.3 |
| 24 | 第24响 | 第四圈主爆孔 | 1527 | 9 | Z51~Z53 | 3 | 42.6 |
| 25 | 第25响 | 第四圈主爆孔 | 1536 | 9 | Z54~Z56 | 3 | 56.8 |
| 26 | 第26响 | 第四圈主爆孔 | 1545 | 9 | Z57~Z59 | 3 | 58.1 |
| 27 | 第27响 | 第四圈主爆孔 | 1554 | 0 | Z60~Z62 | 3 | 57.2 |
| 28 | 第28响 | 光爆孔 | 1579 | 25 | G1~G5 | 5 | 53.5 |
| 29 | 第29响 | 光爆孔 | 1588 | 9 | G6~G10 | 5 | 47.8 |
| 30 | 第30响 | 光爆孔 | 1597 | 9 | G11~G15 | 5 | 35.8 |
| 31 | 第31响 | 光爆孔 | 1606 | 9 | G16~G20 | 5 | 33.8 |
| 32 | 第32响 | 光爆孔 | 1615 | 0 | G21~G25 | 5 | 35.6 |
| 33 | 第33响 | 光爆孔 | 1624 | 9 | G26~G30 | 5 | 46.7 |
| 34 | 第34响 | 光爆孔 | 1633 | 9 | G31~G35 | 5 | 50.6 |
| 35 | 第35响 | 光爆孔 | 1642 | 9 | G36~G40 | 5 | 48.7 |
| 合计 | 1599.1 |
), ArticleFig(id=1241777715959894681, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777705558020151, language=EN, label=Table 4, caption=
Monitoring results of blasting vibration effect
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| 测点编号 | 测点部位 | 至岩塞中心距离/m | 峰值振动速度 |
|---|
| 水平径向 | 水平切向 | 竖直向 |
|---|
| 水平 | 高差 | 振速/(cm·s-1) | 峰频/Hz | 振速/(cm·s-1) | 峰频/Hz | 振速/(cm·s-1) | 峰频/Hz |
|---|
| Vdy1 | 库岸公路边 | 134.45 | 10.6 | 1.63 | 23.4 | 1.24 | 27.3 | 2.17 | 27.3 |
| Vdy2 | 库岸公路边 | 187.74 | 10.8 | 1.03 | 23.4 | 0.50 | 39.1 | 1.17 | 35.1 |
| Vdy3 | 库岸公路边 | 241.55 | 10.5 | 0.55 | 19.5 | 0.51 | 31.2 | 0.53 | 31.2 |
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爆破振动效应监测成果表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 测点编号 | 测点部位 | 至岩塞中心距离/m | 峰值振动速度 |
|---|
| 水平径向 | 水平切向 | 竖直向 |
|---|
| 水平 | 高差 | 振速/(cm·s-1) | 峰频/Hz | 振速/(cm·s-1) | 峰频/Hz | 振速/(cm·s-1) | 峰频/Hz |
|---|
| Vdy1 | 库岸公路边 | 134.45 | 10.6 | 1.63 | 23.4 | 1.24 | 27.3 | 2.17 | 27.3 |
| Vdy2 | 库岸公路边 | 187.74 | 10.8 | 1.03 | 23.4 | 0.50 | 39.1 | 1.17 | 35.1 |
| Vdy3 | 库岸公路边 | 241.55 | 10.5 | 0.55 | 19.5 | 0.51 | 31.2 | 0.53 | 31.2 |
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