摘要
根据预应力混凝土梁斜截面开裂时的弯剪斜裂缝形态，分析了斜截面抗裂机理，在钢筋混凝土梁斜截面抗裂理论模式基础上，推导出预应力混凝土梁斜截面抗裂度的理论计算公式。经过合理简化分析，提出了预应力混凝土梁斜截面抗裂度的实用计算公式，并用大量试验资料进行了对比验证。
Based on the analysis of the crack states and the mechanics of shear-cracking resistance,theoretical formulas are proposed for calcualting the shear-cracking strength of prestressed concrete beams,and a rational and simple formula is also proposed by simplifying the theortical formulas.These formulas are in good agreement with the large numbers of test data.
出处
《华北水利水电学院学报》
1997年第1期31-34,共4页
North China Institute of Water Conservancy and Hydroelectric Power
关键词
预应力混凝土梁
斜截面
抗裂
计算
结构
Prestressed concrete beam Diagonal section Flexural-shear crack Shear-cracking strength
