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PPV减振技术在路基台阶爆破中的分析与应用——以某案例为例

Analysis and application of PPV vibration reduction technology in subgrade step blasting - a case study.

作者信息

Sun Yong, Zhang Zhongshuai, Tian Chenglin, Ji Zhonghai, Zheng Ran, Gu Wu, Lv Xinchao, Li Zhiyi

机构信息

Resources College of Shandong University of Science and Technology, Tai'an, 271000, Shandong, China.

Shandong University of Science and Technology Coal Mine Filling Mining National Engineering Laboratory, Tai'an, 271000, Shandong, China.

出版信息

Sci Rep. 2025 May 22;15(1):17859. doi: 10.1038/s41598-025-02269-4.

DOI:10.1038/s41598-025-02269-4
PMID:40404826
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12098844/
Abstract

In this study, the synergistic mechanism of charge structure, stemming materials and blasting parameters in blasting vibration control was explored by means of field experiment and numerical simulation. The following study has been carried out: (1) Based on the control variable method, the dynamic response difference between the interval charge and the continuous charge is quantitatively analyzed, and the optimal charge structure is determined; (2) On the basis of interval charge, the optimization of two kinds of stemming materials is carried out by finite element analysis; (3) Through field parameter optimization experiments, it is proved that when the inter-hole delay is 33 ms and the inter-row delay is 86 ms, the PPV is the lowest. This study can provide experience for similar open-pit blasting projects.

摘要

本研究通过现场试验和数值模拟，探讨了装药结构、堵塞材料和爆破参数在爆破振动控制中的协同作用机制。开展了以下研究：（1）基于控制变量法，定量分析了间隔装药与连续装药的动力响应差异，确定了最优装药结构；（2）在间隔装药的基础上，通过有限元分析对两种堵塞材料进行了优化；（3）通过现场参数优化试验，证明当孔间延时为33 ms、排间延时为86 ms时，峰值质点振动速度（PPV）最低。本研究可为类似露天爆破工程提供经验。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4cab/12098844/a9138dca3374/41598_2025_2269_Fig12_HTML.jpg
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本文引用的文献

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Research on directional rock blasting based on different slotted pipe materials of the combined charge structure.基于组合装药结构不同切缝管材料的定向岩石爆破研究
Sci Rep. 2024 Mar 28;14(1):7394. doi: 10.1038/s41598-024-57957-4.
2
Study on parameter optimization of deep hole cumulative blasting in low permeability coal seams.低渗透煤层深孔聚能爆破参数优化研究
Sci Rep. 2022 Mar 24;12(1):5126. doi: 10.1038/s41598-022-09219-4.
3
Design method of blasthole charge structure based on lithology distribution.基于岩性分布的炮孔装药结构设计方法
Sci Rep. 2021 Dec 20;11(1):24247. doi: 10.1038/s41598-021-03758-y.
4
Tunnel millisecond-delay controlled blasting based on the delay time calculation method and digital electronic detonators to reduce structure vibration effects.基于延迟时间计算方法和数码电子雷管的隧道微差延时控制爆破，以降低结构振动效应。
PLoS One. 2019 Mar 22;14(3):e0212745. doi: 10.1371/journal.pone.0212745. eCollection 2019.