合铜高速起于陕晋交界处黄河西岸的合阳县,向东跨黄河与山西省规划的闻喜至临猗高速公路相接,向西途经澄城、白水、止于铜川市演池,与延西高速相连共线至关庄,向西与铜川至旬邑高速公路相连。本项目为陕西合铜高速公路TJ-11标,线路全长7.6km,合同金额8.76亿。标段内包含特大桥2015m/1座(王家河特大桥),大桥2090m/5座,中桥90m/2座,主线及匝道桥梁总长4.88km,互通立交2处,主线路基4.2km。
项目工程跨越包茂高速公路以及多条地方路,施工时存在区域分割性强、施工难度及安全控制难度高,各项指标控制难度非常大。王家河特大桥高墩柱、大跨度、翻模挂篮结等临时构复杂,计算难度高,施工安全风险大。工艺复杂,工期紧张等特点。
本项目通过BIM技术进行施工过程模拟,可在施工之前,就能看到并了解整个项目施工的详细过程和结果,避免不必要的返工所带来的人力物力消耗,为实际工程项目施工提供经验和最优的可行方案。同时将BIM三维模型局部导入有限元计算软件计算,通过计算结果修订三维模型,从而实现建模和分析计算的高效统一。使用BIM平台实现了手机端和网页端的质量检验和审批流程:施工方可利用APP录入提交质量检验相关信息,通过系统推送至监理方,再经审核后推送至业主验收,实现施工过程管理无纸化,提高管理效率。
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