CAJ | 학술논문

为了研究层状岩体的压缩破坏特征,并建立相应的理论描述模型,利用快速拉格朗日元法对三轴压缩情况下的层状岩体进行数值计算,分析了层状压缩强度与结构面倾角的关系,建立了相应的理论模型.利用所建模型,对参考国外文献中的试验结果进行描述,并探讨了加载速率和岩体压缩强度的关系.结果表明:所建拟合模型能够较好描述层状岩体的强度特征,得到了数值试验和室内试验的验证;岩体压缩强度随加速速率增大而增大,二者符合线性关系特征.
위료연구층상암체적압축파배특정,병건립상응적이론묘술모형,이용쾌속랍격랑일원법대삼축압축정황하적층상암체진행수치계산,분석료층상압축강도여결구면경각적관계,건립료상응적이론모형.이용소건모형,대삼고국외문헌중적시험결과진행묘술,병탐토료가재속솔화암체압축강도적관계.결과표명:소건의합모형능구교호묘술층상암체적강도특정,득도료수치시험화실내시험적험증;암체압축강도수가속속솔증대이증대,이자부합선성관계특정.
In order to study the compressive failure characteristics of layered rock mass and build the corresponding theoretical model, the fast lagrangian method was adopted to address numerical simulation of the layered rock mass under tri-axial compression. The relationship between compressive strength and inclination of structure plane was analyzed, and a theoretical model was proposed to describe their relationship. The test data from the foreign references were described by the theoretical model and the relationship between loading velocity and the compressive strength was analyzed. It was shown that, the fitting model can well describe the strength characteristics of stratified rock mass, which was validated by the numerical test and laboratory test. And the compressive strength of rock mass increased linearly with the increase of loading velocity.