加固用灌浆料与混凝土组合试件力学性能试验研究  

Experimental Study on Mechanical Properties of Combinational-blocks with Strengthening- grouting Material and Reinforcement

作　　者：曾银枝[1] 邵正明[1] 张吉柱[1] 李荻[1] 

机构地区：[1]中国建筑科学研究院,北京100013

出　　处：《工程抗震与加固改造》2015年第6期41-45,共5页Earthquake Resistant Engineering and Retrofitting

摘　　要：通过加载机试验对灌浆料与混凝土的组合试块进行力学性能试验,并与原样试块进行对比。分析得出,组合试块力学性能如抗压和抗折强度普遍高于原样试块,但提高程度与界面连接情况有密切关系(尤其是抗压强度)。由于新旧交接面存在微观裂缝,抗压破坏多受此影响。说明在实际加固时,应特别加强界面连接处理,采取有效措施加强界面的粘结性,方能保证加固后组合构件共同受力。In this paper,the tests and the contrasts are done by testing combinational-blocks made of cement-based grouting materials and concretes. And the conclusion is obtained that mechanical properties of combinational-blocks are increased such as compressive strength and flexural strength,but the increased degree is influenced by caking property of the interfaces,especially for the compressive strength. Because the crack on the interfaces would lead to the broken under the loading,the measures should improve to strengthen the caking property for ensuring the integrity of strengthening components.

关 键 词：加固灌浆料 组合试件 力学性能 试验研究 界面粘结 

分 类 号：TU528[建筑科学—建筑技术科学]