Research on Deep Hole Segmental Cutting and Peripheral Directional Fracture Damage Control in Rock Shaft and Roadway/左进京，杨仁树，李成孝，赵勇，张渊通，郑昌达

定价：139.00元

出版时间：2025-02

ISBN：978-7-5240-0148-5

内容提要

岩石深孔分段掏槽的理论与技术研究具有重要意义。本研究针对井巷开挖过程中存在的实际工程问题，围绕井巷深孔孔内分段掏槽破岩作用机理展开深入探讨，研究内容主要针对孔内两分段的装药形式，探究分段装药爆炸能量场分布特性，阐明分段装药爆炸应力应变场演化规律，获得分段装药爆炸致裂岩体的三维裂隙场分布特征，揭示分段装药爆炸致裂岩体的能量场、应力应变场、三维裂隙场分布与成腔机制，建立多场-多维度分析及评价体系。探究适合工程应用的分段装药结构，为井巷开挖爆破参数优化提供理论指导与科学依据。

目录

Chapter1 Theoretical analysis of cut hole segmental blasting 

1.1 Influence of free surface and resistance line on blasting effect 

1.2 Mechanism of cut blasting for sectional charge in hole 

1.3 Theoretical study on optimization of cut hole layout 1

Chapter2 Study on evolution law of full-field strain under segmented charge condition 

2.1 Study on dynamic fracture characteristics of explosive crack in cylindrical charge 

2.2 Study on full-field strain evolution of cylindrical charge explosion 

2.3 Study on superposition effect of strain field in double-hole blasting of cylindrical charge

2.4 Study on full-field strain characteristic distribution of segmented charge 

2.5 Study on full-field strain characteristics of segmented charge with different time difference

Chapter3 Numerical simulation and three-dimensional modelling of segmental blasting in roadway trenching holes 

3.1 Numerical simulation of single-hole segmented charge blasting 

3.2 Numerical simulation of hollowing blasts with multi-hole segmental charging 

3.3 Effect of delay time on segmented charge hollowing blasting 

3.4 Numerical simulation of blasting in a zoned arrangement of trenching holes 

3.5 Three-dimensional modelling tests on segmented charge trench blasting 

3.6 Three-dimensional model blasting tests for the zonal arrangement of trenching holes 

Chapter4 Research on physical model test and numerical simulation of deep hole sectional cutting in shaft 

4.1 Experimental study on blasting model of sectional charge in cut hole 

4.2 Analysis on blasting effect of model test of segmented cut in hole 

4.3 Study on numerical simulation of blasting with sectional charge in cut hole 

Chapter5 Study on the variation law of explosive wave field and pressure field 

5.1 Explosion wave field and pressure field test system 

5.2 Experimental study on directional fracture blasting of cutting seam cartridge

5.3 Study on the influence of different slit pipe quality on explosion wave field and fracture field 

5.4 Propagation characteristics of explosion wave and explosion gas in blast-hole 

5.5 Explosion wave and explosion fracture characteristics of cylindrical charges 

5.6 Analysis of explosion wave interactions and rock breaking effects during dual initiation 

Chapter 6 Research on damage and fracture behavior of explosive explosion on medium 

6.1 Studies on directional breaking controlled theory of slotted cartridge blasting for rock 

6.2 Study on directional fracture effect of joint face slit charge 

6.3 Analysis of fracture effect of segmented charge in hole on rock mass

6.4 Effect of different filling media between explosive and blast-hole wall on rock blasting 

Chapter 7 Field Industrial research on roadway segmented cutting test 

7.1 Engineering background 

7.2 Subsection charge cutting blasting test 

7.3 Blasting test of cutting hole layout optimization 

Chapter 8 Field industrial test study on deep hole sectional cutting in vertical shaft 

8.1 Project profile 

8.2 Parameter design of deep hole sublevel cutting blasting 

8.3 6m deep hole section cut blasting experiment 

8.4 Controlled blasting experiment of peripheral directional fracture