Chunan Tang   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Main positions: President of international exchange committee of the Chinese Society of Rock Mechanics and Engineering CSRME
Other Post: Vice President of the Chinese Society of Rock Mechanics and Engineering CSRME

MORE> Institutional Repository Personal Page
Language:English

Paper Publications

Title of Paper:爆炸应力波作用下的孔壁岩石开裂数值模拟

Hits:

Date of Publication:2014-08-20

Page Number:259-262

Key Words:油气开采;爆炸应力波;孔壁岩石;裂纹扩展;数值模拟

Abstract:爆炸应力波作用下岩体裂纹产生多裂纹取决于加载速率、加载载荷峰值大小以及材料性质等因素.采用岩石破坏过程动力分析数值模拟软件,考虑岩石非均匀性,对爆炸应力波作用下孔壁岩石动态起裂以及扩展过程、开裂机理及影响因素进行了数值模拟分析.研究了在不同加载峰值和加载速率条件下岩体的破坏形式.数值模拟结果表明,随应力波峰值的逐渐增大,岩体内部所产生的裂缝条数随之增多,同时也发育得更为明显.加载速率越快,岩体产生的裂缝条数越多,裂纹长度也相对较长.

Address: No.2 Linggong Road, Ganjingzi District, Dalian City, Liaoning Province, P.R.C., 116024
Click:    MOBILE Version DALIAN UNIVERSITY OF TECHNOLOGY Login

Open time:..

The Last Update Time: ..