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深圳地鐵12號線(xiàn)全線(xiàn)貫通!為地鐵四期工程首條隧道貫通線(xiàn)路
2021-09-03 14:11
來(lái)源: 深圳特區報

深圳地鐵12號線(xiàn)全線(xiàn)貫通!為地鐵四期工程首條隧道貫通線(xiàn)路

人工智能朗讀:

此外,深圳地鐵12號線(xiàn)沿線(xiàn)大部分途經(jīng)城市建成區,車(chē)站臨近重要建(構)筑物63處,區間上跨、下穿及側穿既有運營(yíng)地鐵線(xiàn)路3處,區間近距離下穿、側穿建(構)筑物及重要管線(xiàn)25處,下穿海域、河流6處,線(xiàn)路存在軟弱地層、基巖突起、球狀風(fēng)化巖等多變地質(zhì)條件,施工安全風(fēng)險高、施工效率低,且與在建線(xiàn)路存在大量接口,施工難度極大。

施工過(guò)程中,深圳地鐵和中國電建始終發(fā)揚工匠精神,通過(guò)創(chuàng )新應用新技術(shù)、新設備,積累了盾構下穿海域破碎帶的寶貴經(jīng)驗,并在雙模盾構的施工實(shí)踐中,創(chuàng )造了國內雙模盾構洞內模式轉換效率新記錄。

截至目前,地鐵12號線(xiàn)全線(xiàn)車(chē)站主體結構完成率達96%,139個(gè)附屬結構已經(jīng)開(kāi)工建設,裝飾裝修、供電工程、通信工程、信號工程、消防工程等工作面已全面鋪開(kāi)。隨著(zhù)盾構區間的全線(xiàn)貫通,地鐵12號線(xiàn)工程重心將全面轉向站后工程。

[編輯:劉婷]
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