为了研究配筋超高性能混凝土(RUHPC)轴心受拉构件承载力计算公式,基于试验统计数据,分析了纵筋配筋率、钢纤维掺量对构件轴心抗拉承载力的影响,并在现行混凝土结构设计规范计算模型基础上,简化了正截面承载力计算公式,给出了受拉区等效应力计算系数建议值,可靠指标分析满足要求.
In order to study the calculation formula for the bearing capacity of reinforced ultra-high performance concrete(RUHPC)axial tension components,based on the experimental statistical data,the influence of longitudinal reinforcement ratio and steel fiber content on the axial tensile bearing capacity of components was analyzed.According to the current calculation mode of concrete structure design specifications,a simplified calculation expression for the normal section bearing capacity of RUHPC axial tension compenents was proposed,and a recommended value for the equivalent stress calculation coefficient in the UHPC tensile zone was proposed.The reliability analysis of components meets the relevant requirements.