新型保温承重砌块砌体抗压性能试验研究

Experimental Study on Compressive Performance of New Type of Insulation Bearing Block

进行了新型保温承重砌块砌体试件在轴心荷载作用下的抗压强度试验研究,考察了砌体的裂缝开展过程与受压变形破坏特征,分析了砌体的受压性能和极限承载力,通过试验数据的分析,得到了抗压强度的建议计算公式。结果表明,新型保温承重砌块砌块砌体受压破坏的最终形式跟普通混凝土砌块砌体类似,基本上都是砌体延着竖向灰缝处形成由上到下的贯通主裂缝,将试件分隔为几个独立的部分,试件最终破坏。薄层砂浆在提高砌体热工性能、减少材料使用的同时,可以提高砌体的抗压承载力。

The compressive strength test of new insulation bearing block is carried out under the axial load, the failure characteristics and failure process of masonry are studied, the compressive behavior and ultimate beating capacity of masonry are analyzed. By the analysis of the experimental data, a formula for the calculation of the compressive strength is obtained. The results show that the destruction form of new insulation masonry compression bearing block is familiar with the ordinary concrete masonry block, the main erack is along the vertical mortar joint, the specimens are divided into several independent parts, finally the specimen failures. The thin layer mortar can improve the thermal performance of masonry and reduce the use of materials, and ean improve the compressive bearing capacity of masonry.