岩石井巷深孔分段掏槽與周邊定向斷裂損傷控制研究 (英文) 9787524001485 左進京 楊仁樹 李成孝等

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書名：岩石井巷深孔分段掏槽與周邊定向斷裂損傷控制研究 (英文)
ISBN：9787524001485
出版社：冶金工業
著編譯者：左進京 楊仁樹 李成孝等
頁數：321
所在地：中國大陸 *此為代購商品
書號：1719080
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【台灣高等教育出版社簡體書】 岩石井巷深孔分段掏槽與周邊定向斷裂損傷控制研究 (英文) 787524001485 左進京 楊仁樹 李成孝等

內容簡介

岩石深孔分段掏槽的理論與技術研究具有重要意義。本研究針對井巷開挖過程中存在的實際工程問題，圍繞井巷深孔孔內分段掏槽破岩作用機理展開深入探討，研究內容主要針對孔內兩分段的裝葯形式，探究分段裝葯爆炸能量場分佈特性，闡明分段裝葯爆炸應力應變場演化規律，獲得分段裝葯爆炸致裂岩體的三維裂隙場分佈特徵，揭示分段裝葯爆炸致裂岩體的能量場、應力應變場、三維裂隙場分佈與成腔機制，建立多場-多維度分析及評價體系。探究適合工程應用的分段裝葯結構，為井巷開挖爆破參數優化提供理論指導與科學依據。

目錄

Chapter 1 Theoretical Analysis of Cut Hole Segmental Blasting
1 1 Influence of free surface and resistance line on blasting effect
1 1 1 Explosive explosion effect inside the rock mass
1 1 2 Explosive effect of explosives near the free surface
1 2 Mechanism of cut blasting for sectional charge in hole
1 2 1 Analysis of charge form and rock breaking ability
1 2 2 Mechanism of slant cut sectional charge blasting
1 2 3 Mechanism of straight cut sectional charge blasting
1 3 Theoretical study on optimization of cut hole layout
1 3 1 Change analysis of cut hole region
1 3 2 Mechanism of cutting hole zoning arrangement
Chapter 2 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 1 1 Test principle of dynamic caustic experiment under explosion load
2 1 2 Experimental model design and explosion crack growth results
2 1 3 Dynamic parameter analysis of explosive crack growth process
2 2 Study on full field strain evolution of cylindrical charge explosion
2 2 1 Digital image correlation experimental system
2 2 2 Experimental model design
2 2 3 Analysis of full field strain evolution process of explosion
2 2 4 Strain attenuation law of initiation end and non initiation end
2 3 Study on superposition effect of strain field in double hole blasting of cylindrical charge
2 3 1 Experimental model design
2 3 2 Radial full field strain analysis with double hole superposition
2 3 3 Axial full field strain analysis of double hole superposition
2 4 Study on full field strain characteristic distribution of segmented charge
2 4 1 Experimental model design
2 4 2 Full field strain analysis of sectional charge
2 5 Study on full field strain characteristics of segmented charge with different time difference
2 5 1 Experimental model design
2 5 2 Full field strain analysis of medium with different initiation time difference in upper and lower sections
Chapter 3 Numerical Simulation and Three dimensional Modelling of Segmental Blasting in Roadway Trenching Holes
3 1 Numerical simulation of single hole segmented charge blasting
3 1 1 Introduction to the SPH FEM method and introduction to the model
3 1 2 Blast simulation process and analysis
3 2 Numerical simulation of hollowing blasts with multi hole segmental charging
3 2 1 Verification of the SPH FEM approach
3 2 2 Models and materials
3 2 3 Simulation results
3 2 4 Influence of cutting parameters on blasting effect
3 3 Effect of delay time on segmented charge hollowing blasting
3 3 1 Introduction to single hole delayed segmental blasting modelling
3 3 2 Blast simulation process and analysis
3 4 Numerical simulation of blasting in a zoned arrangement of trenching holes
3 4 1 Introduction to the hollow hole zoning arrangement model
3 4 2 Comparison of blasting process between normal hollowing and model blasting with zoned arrangement of hollowing holes
3 5 Three dimensional modelling tests on segmented charge trench blasting
3 5 1 Model test similarity criterion
3 5 2 Segmented charge hollowing blast test design
3 5 3 Analysis of the results of the segmented charging and hollowing blasting tests
3 5 4 Analysis of the results of the delayed blast test of the hollowing out trench by section charging
3 6 Three dimensional model blasting tests for the zonal arrangement of trenching holes
3 6 1 Model test design for zonal arrangement of hollowing holes
3 6 2 Analysis of the test results of two hollowing and blasting models
Chapter 4 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 1 1 Study on equivalent re
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