The equivalent crack opening displacement of smeared damage-fracture model is formulated with damage parameter and crack band width.
基于弥散裂缝框架,该文建立了等效裂缝张开位移与损伤因子、断裂带宽度之间的函数关系。
This paper presents a study of the resistance-CMOD(crack mouth opening displacement) relationship of CFRC(carbon fiber reinforced cement based material) beam with different carbon fiber fractions under three-point flexure loading.
研究了不同碳纤维掺量的CFRC(碳纤维水泥基材料)梁在三点弯曲荷载作用下其电阻变化与CMOD(裂缝口张开位移)的关系。
In the present study,the tensile stress-crack opening relationship of steel fiber reinfnrced mortar (SFRM) is determined by inverse analysis using load versus crack mouth opening displacement(CMOD) curve from notched beam tests.
利用三点弯曲缺口梁的荷载与裂缝口张开位移(CMOD)曲线用反分析法确定了钢纤维水泥砂浆的拉应力与裂缝张开位移关系,同时数值模拟了三点弯曲缺口梁的荷载与挠度曲线。
This paper has explored a way to keep worker away from danger and has also designed an alarm system in the danger building demolition by blasting,through monitoring the quasi-static state displacement of break.
通过对危险构件的准静态裂缝位移监测,探索了保证施工人员作业时绝对安全的报警机制,并设计了一套危险楼房爆破拆除安全施工的报警系统,为爆破施工提供了安全保证,在实际施工中起到了良好的效果。
Using three-point-bending beam measured Pmax corresponding to CMODC parameters in concrete and different fiber content concrete,double-K fracture parameter can be determined.
采用三点弯曲梁试件,通过测得素混凝土、不同纤维掺量的钢纤维混凝土的最大荷载Pmax及对应的裂缝口张开位移CMODC等参数,计算钢纤维混凝土的双K断裂参数,结果表明,用双K断裂准则计算钢纤维混凝土能更好的解释钢纤维的增韧作用。