
港珠澳大桥工程建设稳步推进中。20日,西人工岛大岛暗埋段基础建设环节,PHC桩打下第704根,当天完成PHC桩5根。至此,西人工岛大岛暗埋段基础施工进度逾九成。
自首节沉管与西人工岛完美对接完成,大桥建设按部就班稳步推进。在西人工岛大岛暗埋段基础PHC桩打设作业中,相关项目部科学管理、合理调配资源,西人工岛施工实现PHC桩基打设、CW3段隧道基础砼垫层浇筑和西大岛北侧塔吊安装等几项施工同步推进。在工人们努力下,多次创造了单日打设PHC桩11根的良好纪录。随着西大岛暗埋段基础PHC桩累计成桩704根,完成总量施工量的94.49%。这一环节施工步入最后冲刺收尾阶段,预计月底前可完成全部PHC桩打设任务。
在西人工岛施工按期推进的同时,东人工岛岛内基础卸载施工进展顺利,总量累计超万立方米。施工单位不断总结经验,梳理施工流程,明确规范和作业标准,并加大力度引进施工车辆及设备,以提升施工效率,创下了单日完成作业量超5000立方米的良好纪录。
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