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为了简化增大截面加固简支T梁在抗弯承载能力极限状态下的配筋设计过程,提出了简化配筋方法。该方法首先假设新增纵向钢筋应力未达到其设计强度值,结合截面力的平衡和变形协调不等式得到满足假设条件的一般要求,进一步推导出满足假设条件的配筋范围,根据配筋确定其最终状态后选择相对应的公式进行抗弯承载能力复核。
In order to simplify the reinforcement design process of simply supported T-beams strengthened with section under flexural capacity, a simplified method of reinforcement was proposed. The method first assumes that the stress of the newly added longitudinal reinforcement does not reach its design strength, and the general requirement of satisfying the assumptions is obtained by combining the balance of cross-section forces and the inequality of deformation coordination. The range of reinforcement satisfying the assumption is further deduced, and the final reinforcement is determined according to the reinforcement After the state select the corresponding formula for bending load capacity review.