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

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Language:English

Paper Publications

Title of Paper:岩石点荷载试验若干问题的研究

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Date of Publication:2008-01-15

Journal:东北大学学报(自然科学版)

Included Journals:EI、PKU、ISTIC、CSCD

Volume:29

Issue:1

Page Number:130-132,140

ISSN No.:1005-3026

Key Words:点荷载试验;点荷载强度指标;岩体分级;抗压强度;抗拉强度

Abstract:为了推进使用国家标准《工程岩体分级标准》和岩石强度的现场试验方法,研究了点荷载试验的ISRM方法和《工程岩体分级标准》方法.指出了有两大关键问题影响点荷载试验的推广.提出了用Is的平均值确定Is(50)的方法,通过岩石不规则试件和规则石膏模型试件的点荷载试验证实,在D值大于50mm的试件个数n2和D值小于50mm的试件个数n3大致相等的条件下,本文的方法和传统方法的相对标准差相差不到2%.最后提出了制定岩石点荷载试验国家标准的建议,并总结了点荷载强度指标的应用范围.这对于岩石点荷载试验的发展和创新具有重要意义.

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