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该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
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对X100钢级管线钢埋弧焊焊接接头的拉伸和冲击性能进行了研究。结果表明:其焊接接头的抗拉强度和伸长率达792 MPa和9.9%,分别是母......
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