7月18日，三明莆炎高速沙溪大桥主桥首节段钢桁梁吊装成功，标志着大桥建设正式迈入主桥钢桁梁施工的快车道，为沙溪大桥早日实现贯通打下了坚实基础。
沙溪大桥主桥上部结构主跨采用100 米+176米+176米+100米的钢桁组合连续钢构（分84个节段）。主桥钢桁梁采用缆索吊机进行安装，额定起重量为130吨，钢桁梁节段最大吊重为103吨。此次吊装的钢桁梁节段重达97吨，安装在主桥6号墩约95米高的预定位置。
为确保此次钢桁梁吊装的顺利完成，项目部提前组织召开方案专家评审会议，开展缆索吊静、动载试验，并对全体施工人员开展安全技术交底，确定最优方案，明确人员分工。现场吊装时，在做好各项安全应急举措工作后，施工人员与吊装机械紧密配合，保证了整个吊装过程的安全、可控。
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