Article(id=1241777702085132375, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241777699996368955, articleNumber=null, orderNo=null, doi=10.3963/j.issn.1001-487X.2024.02.028, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1683129600000, receivedDateStr=2023-05-04, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773992475291, onlineDateStr=2026-03-20, pubDate=1717171200000, pubDateStr=2024-06-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773992475291, onlineIssueDateStr=2026-03-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773992475291, creator=13701087609, updateTime=1773992475291, 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=232, endPage=237, ext={EN=ArticleExt(id=1241777702353567842, articleId=1241777702085132375, tenantId=1146029695717560320, journalId=1240670690148397066, language=EN, title=Application of Liquid-Oxygen Phase Change Gas Expansion Technology in Tunnel Excavation, columnId=1240702076553065119, journalTitle=Blasting, columnName=BLASTING SAFETY, runingTitle=null, highlight=null, articleAbstract=
Abstract: This study aims to address the challenge of rapid tunnel excavation without the use of explosive. A new oxygen expansion rock breaking technology suitable for general tunnel excavation such as cutting, expanding, auxiliary and peripheral holes is explored, researched, and summarized. The drilling and blasting parameters optimized for tunnel excavation are also provided in detail. The experimental study section consists of granite with a compressive strength ranging from 90 to 100 MPa, developed cleavage cracks, and average blastability. Through field tests and continuous improvement, an average cycle footage of 2.5 m per two-day cycle is achieved for a tunnel area of approximately 65 m2, meeting the requirements for rapid excavation when explosives cannot be used. The research demonstrates that the new gas expansion rock-breaking technology can effectively excavate tunnels in hard rock masses. It offers advantages such as safe operation, high efficiency in rock breaking, no involvement with civil explosives or dangerous chemicals used in explosive production, absence of explosion shock waves and low vibration amplitude. This technology provides a solution to situations where civil explosives are prohibited due to complex environmental conditions or slow progress using mechanical methods.
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ZHU Zhen-hai (1956-), male, Huaian Ciry, Jiangsu Province, doctor, professor, engaged in the research of blasting engineering and gas blasting, (E-mail)
zzhai999@139.com.
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为了实现在不许可使用炸药爆破条件下的隧洞快速开挖施工,应用新型氧气膨胀破岩技术,成功探索、研究、总结出一套适用于一般隧洞开挖的掏槽、扩槽、辅助、周边孔气体膨胀破岩施工方法,详细给出了适用于隧道开挖的优化钻爆参数。隧洞穿越的山体为花岗岩,试验研究段属于Ⅳ~Ⅲ围岩,岩石的抗压强度为90~100 MPa,非常坚硬,解理裂隙比较发育,可爆性一般。采用现场试验研究方法,经过不断总结、改进、优化,对于面积约65 m2的隧洞,实现了2 d一个循环,平均循环进尺约2.5 m,基本满足在不能使用炸药爆破情况下一般隧洞快速开挖施工的要求。研究表明:新型气体膨胀破岩技术可以在坚硬岩体中进行隧洞开挖,具有操作安全、破岩效率高、不涉及民爆物品和易制爆危险化学品、不产生爆炸冲击波、振动幅值较低等优点,可有效地解决复杂环境下不许可使用民爆物品及使用机械法开挖进度慢的问题。
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方莹(1969-),男,湖北武汉市江汉区,大学学历、工程师,从事工程机械与气体爆破工作,(E-mail)13922877958@139.com。
FANG Ying (1969-), male, Jianghan District, Wuhan City, Hubei Province, university degree, engineer, engaged in the research of construction machinery and gas blasting, (E-mail) 13922877958@139.com.
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方莹(1969-),男,湖北武汉市江汉区,大学学历、工程师,从事工程机械与气体爆破工作,(E-mail)13922877958@139.com。
FANG Ying (1969-), male, Jianghan District, Wuhan City, Hubei Province, university degree, engineer, engaged in the research of construction machinery and gas blasting, (E-mail) 13922877958@139.com.
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方莹(1969-),男,湖北武汉市江汉区,大学学历、工程师,从事工程机械与气体爆破工作,(E-mail)13922877958@139.com。
FANG Ying (1969-), male, Jianghan District, Wuhan City, Hubei Province, university degree, engineer, engaged in the research of construction machinery and gas blasting, (E-mail) 13922877958@139.com.
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2022: 647-652., articleTitle=Research on key technology of new air energy expansion blasting, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1241777705558016190, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, xref=null, ext=[AuthorCompanyExt(id=1241777705574793408, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, companyId=1241777705558016190, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Guangdong Hongkai Gas Energy Technology Co, Ltd, Shenzhen 518000, China), AuthorCompanyExt(id=1241777705587376322, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, companyId=1241777705558016190, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=广东宏凯气能技术有限公司,深圳 518000)])], figs=[ArticleFig(id=1241777711010611630, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, language=EN, label=Fig. 1, caption=
Schematic diagram of plane distribution of holes in cut area (unit: mm), figureFileSmall=zEvtSg1L/fF3GeSKB+DSXw==, figureFileBig=7HS6WmdjJoCg1otpJlt5bQ==, tableContent=null), ArticleFig(id=1241777711161606582, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, language=CN, label=图1, caption=
掏槽区炮孔平面分布示意图(单位:mm), figureFileSmall=zEvtSg1L/fF3GeSKB+DSXw==, figureFileBig=7HS6WmdjJoCg1otpJlt5bQ==, tableContent=null), ArticleFig(id=1241777711404876231, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, language=EN, label=Fig. 2, caption=
The real scene before rock cutting and blasting (the white one is the inflatable tube), figureFileSmall=zaSWypnd9c7axsWBfNJxYA==, figureFileBig=zjgGZIbKpuYl2DdDS0FR0Q==, tableContent=null), ArticleFig(id=1241777711560065489, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, language=CN, label=图2, caption=
掏槽破岩起爆前的实景图(白色的是充气管), figureFileSmall=zaSWypnd9c7axsWBfNJxYA==, figureFileBig=zjgGZIbKpuYl2DdDS0FR0Q==, tableContent=null), ArticleFig(id=1241777711669117401, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, language=EN, label=Fig. 3, caption=
Real scene after cutting and breaking rock, figureFileSmall=Iq6NFP2EVglH90ZyqmtxQw==, figureFileBig=ZPg+pdN0qpYJlPjMgW+oqQ==, tableContent=null), ArticleFig(id=1241777713183261156, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, language=CN, label=图3, caption=
掏槽破岩后的实景图, figureFileSmall=Iq6NFP2EVglH90ZyqmtxQw==, figureFileBig=ZPg+pdN0qpYJlPjMgW+oqQ==, tableContent=null), ArticleFig(id=1241777713309090285, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, language=EN, label=Fig. 4, caption=
Schematic diagram of plane distribution of auxiliary rock-breaking holes (unit: mm), figureFileSmall=HH5Y11xgjxrzKX7JPwaCbg==, figureFileBig=Vmd9k7ACjOK0JRjvFVd6cg==, tableContent=null), ArticleFig(id=1241777713422336506, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, language=CN, label=图4, caption=
辅助破岩炮孔平面分布示意图(单位:mm), figureFileSmall=HH5Y11xgjxrzKX7JPwaCbg==, figureFileBig=Vmd9k7ACjOK0JRjvFVd6cg==, tableContent=null), ArticleFig(id=1241777713527194116, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, language=EN, label=Fig. 5, caption=
Schematic diagram of the plane distribution of holes around the left side (unit: mm), figureFileSmall=HoZ5bdqXUqlNu7+v3WQbZA==, figureFileBig=W3Dmv7pZOZXCWw1Bs+gxsQ==, tableContent=null), ArticleFig(id=1241777713623663116, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, language=CN, label=图5, caption=
左侧周边炮孔平面分布示意图(单位:mm), figureFileSmall=HoZ5bdqXUqlNu7+v3WQbZA==, figureFileBig=W3Dmv7pZOZXCWw1Bs+gxsQ==, tableContent=null), ArticleFig(id=1241777713711743508, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, language=EN, label=Fig. 6, caption=
Photos of excavation effect after a cycle of rock breaking, figureFileSmall=5bdEdR+MvNqDm9Rz+0QIMA==, figureFileBig=PaiUtod8e4l00xg7ouEwLw==, tableContent=null), ArticleFig(id=1241777713824989725, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, language=CN, label=图6, caption=
一个循环破岩后的掘进效果实景照片, figureFileSmall=5bdEdR+MvNqDm9Rz+0QIMA==, figureFileBig=PaiUtod8e4l00xg7ouEwLw==, tableContent=null), ArticleFig(id=1241777713938235941, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, language=EN, label=Table 1, caption=
Values of cutting rock-breaking cracking pipe and blocking length
, figureFileSmall=null, figureFileBig=null, tableContent=
| 炮孔类型 | 炮孔数量/个 | 炮孔长度/m | 致裂管长度/m | 堵塞长度/m | 总充气量/L |
|---|
| 内排斜孔a | 8 | 3.5 | 2.2 | 1.3 | 70.4 |
| 外排斜孔b | 8 | 3.1 | 1.8 | 1.3 | 57.6 |
| 中心孔c | 4 | 3.5 | 2.2 | 1.3 | 35.2 |
| 加强孔d | 4 | 2.0 | 1.0 | 1.0 | 16.0 |
| 合计 | 24 | | | | 179.2 |
), ArticleFig(id=1241777714043093549, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, language=CN, label=表1, caption=
掏槽破岩致裂管与堵塞长度一览表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 炮孔类型 | 炮孔数量/个 | 炮孔长度/m | 致裂管长度/m | 堵塞长度/m | 总充气量/L |
|---|
| 内排斜孔a | 8 | 3.5 | 2.2 | 1.3 | 70.4 |
| 外排斜孔b | 8 | 3.1 | 1.8 | 1.3 | 57.6 |
| 中心孔c | 4 | 3.5 | 2.2 | 1.3 | 35.2 |
| 加强孔d | 4 | 2.0 | 1.0 | 1.0 | 16.0 |
| 合计 | 24 | | | | 179.2 |
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Auxiliary rock-breaking cracking pipe and blocking length
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| 炮孔类型 | 炮孔数量/个 | 炮孔长度/m | 致裂管长度/m | 堵塞长度/m | 总充气量/L |
|---|
| 沿掏槽区边缘布置的炮孔 | 20 | 3.5 | 2.2 | 1.3 | 176.0 |
| 掏槽区槽底布置的炮孔 | 6 | 2.0 | 1.0 | 1.0 | 24.0 |
| 合计 | | | | | 200.0 |
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辅助破岩致裂管与堵塞长度一览表
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| 炮孔类型 | 炮孔数量/个 | 炮孔长度/m | 致裂管长度/m | 堵塞长度/m | 总充气量/L |
|---|
| 沿掏槽区边缘布置的炮孔 | 20 | 3.5 | 2.2 | 1.3 | 176.0 |
| 掏槽区槽底布置的炮孔 | 6 | 2.0 | 1.0 | 1.0 | 24.0 |
| 合计 | | | | | 200.0 |
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Rock-breaking and cracking tubes and blocking length in the left peripheral area
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| 炮孔类型 | 炮孔数量/个 | 炮孔长度/m | 致裂管长度/m | 堵塞长度/m | 总充气量/L |
|---|
| 周边炮孔 | 18 | 3.1 | 1.6 | 1.5 | 115.2 |
| 增加辅助炮孔 | 7 | 3.1 | 1.8 | 1.3 | 50.4 |
| 合计 | | | | | 165.6 |
), ArticleFig(id=1241777714466718288, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777702085132375, language=CN, label=表3, caption=
左侧周边破岩致裂管与堵塞长度一览表
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| 炮孔类型 | 炮孔数量/个 | 炮孔长度/m | 致裂管长度/m | 堵塞长度/m | 总充气量/L |
|---|
| 周边炮孔 | 18 | 3.1 | 1.6 | 1.5 | 115.2 |
| 增加辅助炮孔 | 7 | 3.1 | 1.8 | 1.3 | 50.4 |
| 合计 | | | | | 165.6 |
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