体外预应力加固钢筋混凝土简支梁正截面承载力试验分析

Test analysis on head-on crossing-section bearing capacity of reinforced concrete simple beam by external pre-stressing force

介绍一组体外预应力加固简支梁的试验现象,分析试验梁各种相关曲线,总结体外预应力加固简支梁正截面强度的影响因素,探索影响体外预应力加固中各种因素与承载力的相互关系,最后将试验梁加固前后的承载能力进行分析比较,表现体外预应力加固简支梁的良好效应,并根据试验情况提出一些改进建议,为实际工程提供参考数据。

The test phenomenon of simple beam reinforcement using external pre-stressing force was introduced,analyzing various relative curves of the testing beam, generalizing influencing factors of the simple beam head-on cross-section strength using external pre-stressing force, studying relation between the factors and bearing capacity, at last, comparative analysis was carried on the bearing capacity before and after the reinforcement, the good effect of the simple beam reinforcement using external pre-stressing force, supplying some advice according to the test and some reference data for engineering design.