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通过对商荷高速公路一标段先张梁法预应力空心板梁混凝土表面产生裂缝和梁端产生拉裂的原因分析,提出了预应力空心板产生裂缝和拉裂的防治措施。
Based on the analysis of the cracks on the concrete surface of prestressed hollow slab beam of Zhangzhang section of Shanghe Expressway and the reason of cracking produced at the beam end, the measures to prevent cracks and cracks of prestressed hollow slab are proposed.