刘增利   

Senior Engineer
Supervisor of Master's Candidates

MORE> Institutional Repository Personal Page
Language:English

Paper Publications

Title of Paper:冻土脆性破坏统计理论及尺寸效应

Hits:

Date of Publication:1998-01-01

Journal:自然科学进展

Included Journals:CSCD

Volume:8

Issue:6

Page Number:714

ISSN No.:1002-008X

Key Words:冻土; 脆性破坏; 尺寸效应

Abstract:在一定条件下,冻土具有明显的弹性属性,可以把冻土近似为线弹性材料,且属脆性破坏。基于这一考虑,应用Weibull脆性破坏统计理论,讨论了冻土破坏强度的统计特性及断裂韧度(K_(IC))的尺寸效应,通过试验,获得了冻结粉质壤土的K_(IC)尺寸效应系数,这样便可用室内小尺寸试件求得的断裂韧度去理论预测大比尺冻土的断裂韧度,应用试验测定的尺寸效应系数进行理论预测,与实测结果相比较,二者符合得很好。

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: ..