STUDY ON THE SHEAR CREEP CHARACTERISTICS OF ANCHORED JOINTED ROCK MASSES UNDER CREEP FATIGUE LOADING

被引：2
|
作者：
Song, Yang [1 ]
LI, Yong-Qi [2 ]
机构：
[1] Liaoning Tech Univ, Dept Architecture & Transportat, Fuxin, Liaoning, Peoples R China
[2] Hebei Univ Technol, Sch Civil & Transportat Engn, Tianjin, Peoples R China
来源：
JOURNAL OF THEORETICAL AND APPLIED MECHANICS | 2022年 / 60卷 / 04期
关键词：
disturbed load; sandstone; marble; creep body; rheological model; MODEL;
D O I：
10.15632/jtam-pl/153011
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
To study creep characteristics of deep rock masses under low-frequency earthquakes and other loads, sandstone and marble samples were used to characterize soft rock and hard rock, respectively. Shear creep tests of anchored rock masses under fatigue loading were carried out by using the graded loading method. A new nonlinear rheological model was constructed to characterize mechanical properties of anchored rock masses under fatigue loading. Creep fatigue curves of soft rock and hard rock have clear creep characteristics including instantaneous, attenuation, steady-state and accelerated creep stages. This work provides new insights into the stability of rock masses.
引用
收藏
页码：625 / 635
页数：11
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