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对采用外包钢加固的石梁进行了正截面受弯承载力试验,分析了其受弯性能及其破坏特点。试验结果表明:外包钢加固法能提高石梁的抗弯承载力,改善其受弯性能;角钢锚固是石梁加固过程中的关键因素,对加固梁的承载力和延性性能有很大的影响。对加固梁的受弯承载力进行了理论分析,并提出了实用计算公式。
The cross-section flexural capacity test of the stone beam strengthened with the steel clad was carried out. The flexural behavior and failure characteristics of the stone beam were analyzed. The experimental results show that the steel reinforced method can improve the flexural capacity and improve the flexural performance of the stone beam. The anchorage of the angle steel is the key factor in the reinforcement of the stone beam and has a great effect on the bearing capacity and ductility of the reinforced beam influences. The flexural capacity of reinforced beam is analyzed theoretically, and practical calculation formula is proposed.