摘要
把线弹性断裂力学的理论应用到高强混凝土压剪构件的开裂强度分析中 ,建立相应的计算力学模型。导出了在压力和剪力的作用下 ,考虑构件横向及竖向钢筋作用于裂纹表面的复合应力强度因子KⅠ 、KⅡ ,并根据G判据 ,确定此类构件的开裂应力公式。给出了裂纹在不同倾斜角度下 。
Applying theory of linear elasticity fracture mechanics to the analysis of high strength concrete(HSC) compress shear member's cracking stress, a corresponding model is established in this paper. Under the action of compression and shear loading, considering the mixed mode stress intensity factors K Ⅰ,K Ⅱ acting on transverse and vertical bar and based on G criterion, a formula of calculating the HSC compress shear member's cracking stress is developed and the curves between the cracking stress and the affecting primary factors are given at different angle cracks.
出处
《南京理工大学学报》
EI
CAS
CSCD
2000年第5期449-452,共4页
Journal of Nanjing University of Science and Technology
