【摘要】 研究了砌体结构裂缝的种类与成因 ,对砌体房屋的温度裂缝进行了分析与计算 ,进行了预应力混凝土小型空心砌块带窗洞砌体的单调水平荷载试验 ,研究了预应力砌体的开裂位置、开裂荷载及抗裂性能。研究结果表明 ,预应力改变了砌体结构的开裂位置 ,显著提高了结构的开裂荷载 ,有效地改善了砌体结构的抗裂性能。同时探讨了用预应力来控制砌体房屋温度裂缝的可行性更多还原

【Abstract】 The cause of formation and various kinds of cracks in masonry construction are r esearched,and the temperat ure cracks of masonry are analyzed and calculated.Through the tran s verse static loading test on prestressed small\|sized concrete hollow block maso nry models,crack\|resistance behavior is analyzed. The results of t he test clearly show that after being prestressed the material property of mason ry is changed, and the prestressed masonry wall’s capacity of crack\|resistan ce is improved. The control technique of masonry’s temperature\|crack of prestre ssing the masonry is illustrated.更多还原