近日,由铁建重工与上海基础联合打造的泥水平衡盾构机“建顺号”在铁建重工第一产业园区下线。该设备开挖直径约9.3米,总重约1075吨,将用于上海轨道交通市域线机场联络线JCXSG-13标隧道工程建设。

“建顺号”泥水平衡盾构机
本工程盾构段区间长3013米,隧道底板最大埋深51米,对盾构强度、整机密封可靠性要求高。隧道沿线穿越南回转匝道、申嘉湖高速、机场卫星厅、S1~T4捷运区间隧道等重要建筑物,对地表沉降控制精度要求高。其次,本工程区间长距离在全断面灰黄~灰色粉砂层中掘进,对刀盘刀具及整机耐磨性要求高。
针对工程重难点,铁建重工研发团队对“建顺号”泥水平衡盾构机进行了一系列针对性设计。设备配置高精度气液压力平衡控制系统、智能开挖管理系统、高承压主驱动及盾尾密封、盾尾间隙自动测量等,大幅度提高盾构机的地质适应性,确保盾构隧道施工安全、高效。
由于“建顺号”的在线装配周期短,铁建重工制定了详细的装配和调试计划,生产过程中做到前工序与后工序紧密衔接,每道工序严格执行工艺,保障产品质量,最终确保了“建顺号”进度质量“齐头并进”,设备的各项性能表现均达到了客户的预定目标。
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