[1]陈晟①,王志东②,张建国②,等.影响邻近建筑物振动响应的路堑边坡爆破参数的优化[J].爆破器材,2025,54(06):45-54.[doi:10.3969/j.issn.1001-8352.2025.06.007]
　CHEN Sheng,WANG Zhidong,ZHANG Jianguo,et al.Parameter Optimization of Road Graben Slope Blasting Affecting the Vibration Response of Adjacent Buildings[J].EXPLOSIVE MATERIALS,2025,54(06):45-54.[doi:10.3969/j.issn.1001-8352.2025.06.007]
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影响邻近建筑物振动响应的路堑边坡爆破参数的优化()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
54
期数:
2025年06
页码:
45-54
栏目:
爆破技术
出版日期:
2025-12-09

文章信息/Info

Title:
Parameter Optimization of Road Graben Slope Blasting Affecting the Vibration Response of Adjacent Buildings
文章编号:
6026
作者:
陈晟①; 王志东②; 张建国②; 段达①; 范紫涵③
①中国中铁开发投资集团有限公司（贵州安顺，561000）
②中铁六局集团路桥建设有限公司（贵州安顺，562100）
③重庆大学煤矿灾害动力学与控制全国重点实验室（重庆，400044）
Author(s):
CHEN Sheng①;  WANG Zhidong②;  ZHANG Jianguo②;  DUAN Da①;  FAN Zihan③
① China Railway Development & Investment Group Co., Ltd. (Guizhou Anshun, 561000)
② Road and Bridge Construction Co., Ltd., China Railway Sixth Bureau Group (Guizhou Anshun, 562100)
③ State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University (Chongqing, 400044)
关键词:
爆破振动; 延期爆破; 路堑边坡
分类号:
TU 451
DOI:
10.3969/j.issn.1001-8352.2025.06.007
文献标志码:
A
摘要:
为有效控制路堑边坡爆破对邻近建筑物的有害影响，依托沪昆高速安顺至盘州段深挖路堑爆破工程，采用数值模拟和现场试验相结合的方法，分析了在不同延期时间、装药结构和爆心距等爆破参数下邻近建筑物的振动响应规律。结果表明：在爆心距为50 m的高程差地形条件下，15 ms以上的延期时间可使爆破振速衰减为齐爆的1/2到1/3，间隔装药使振速衰减为连续装药的1/6到1/8；不同延期时间时，在不同爆心距下的振速衰减程度不同。在30~70 m的爆心距范围内，起爆延期时间应控制在25~30 ms之间，既可有效地衰减振速，又能将振动时间限制在1 s以内。基于研究结果，提出爆破参数的优化设计。在安全允许振速1.5 cm/s下，确定最大段装药量为29.0 kg，实施双区爆破优化。应用至现场爆破后，各测点的峰值振速均低于安全限值，表明方案合理可行。

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备注/Memo

备注/Memo:
收稿日期：2025-03-12
基金项目：国家自然科学基金(52074048)
第一作者：陈晟（1984—），男，工程师，主要从事土木工程方面的研究。E-mail: 1770369166@qq.com
通信作者：范紫涵（2001—），女，硕士研究生，主要从事岩土工程方面的研究。E-mail: fzh88@stu.cqu.edu.cn
更新日期/Last Update: 2025-12-09