A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Construction method for expanding negative three-layer space by open excavation of subway station and underground excavation of subway station
The invention relates to a construction method for expanding a negative three-layer space by open excavation of a subway station and underground excavation of the subway station. The construction method comprises the following steps: step 1, constructing fender posts and dewatering wells of the open excavation station on a part capable of being demounted; 2, construction of a conventional structure, a temporary steel pipe column and a temporary end sealing wall structure of the negative three layers of the open cut station on the part capable of being featured and dismantled; step 3, constructing a negative second layer and a negative first layer of the detachable part; the construction method has the advantages that by means of the construction method for expanding the negative three-layer space through open excavation of the subway station and then underground excavation, the problems that the underground excavation area of an open excavation structure of a subway is large, the underground excavation area of the underground excavation structure of the subway is large, and the construction efficiency is high are thoroughly solved. Compared with a conventional open excavation method, the method has the advantages that the influence of land acquisition and demolition is small, and a novel efficient construction method is provided for many stations which are influenced by the land acquisition and demolition progress and are difficult to start on schedule.
本发明涉及一种所述先明挖地铁车站后暗挖扩展负三层空间的施工方法，包括以下步骤：步骤1，可征拆部分明挖车站围护桩、降水井施工；步骤2，可征拆部分明挖车站负三层常规结构、临时钢管柱、临时封端墙结构施工；步骤3，可征拆部分负二层、负一层结构施工；步骤4，由可征拆部分两端，相向暗挖施工无法征拆部分地面下的扩展空间，等步骤，本发明的优越技术效果在于，本发明所述先明挖地铁车站后暗挖扩展负三层空间的施工方法，彻底解决了地铁明挖结构征拆面积大，局部征地拆迁造价高、周期长等因素对车站施工进度的制约问题与常规明挖法相比，受征地拆迁影响小，对许多受征地拆迁进度影响难以按期开工的车站，提供了一种新的高效施工方法。
Construction method for expanding negative three-layer space by open excavation of subway station and underground excavation of subway station
The invention relates to a construction method for expanding a negative three-layer space by open excavation of a subway station and underground excavation of the subway station. The construction method comprises the following steps: step 1, constructing fender posts and dewatering wells of the open excavation station on a part capable of being demounted; 2, construction of a conventional structure, a temporary steel pipe column and a temporary end sealing wall structure of the negative three layers of the open cut station on the part capable of being featured and dismantled; step 3, constructing a negative second layer and a negative first layer of the detachable part; the construction method has the advantages that by means of the construction method for expanding the negative three-layer space through open excavation of the subway station and then underground excavation, the problems that the underground excavation area of an open excavation structure of a subway is large, the underground excavation area of the underground excavation structure of the subway is large, and the construction efficiency is high are thoroughly solved. Compared with a conventional open excavation method, the method has the advantages that the influence of land acquisition and demolition is small, and a novel efficient construction method is provided for many stations which are influenced by the land acquisition and demolition progress and are difficult to start on schedule.
本发明涉及一种所述先明挖地铁车站后暗挖扩展负三层空间的施工方法，包括以下步骤：步骤1，可征拆部分明挖车站围护桩、降水井施工；步骤2，可征拆部分明挖车站负三层常规结构、临时钢管柱、临时封端墙结构施工；步骤3，可征拆部分负二层、负一层结构施工；步骤4，由可征拆部分两端，相向暗挖施工无法征拆部分地面下的扩展空间，等步骤，本发明的优越技术效果在于，本发明所述先明挖地铁车站后暗挖扩展负三层空间的施工方法，彻底解决了地铁明挖结构征拆面积大，局部征地拆迁造价高、周期长等因素对车站施工进度的制约问题与常规明挖法相比，受征地拆迁影响小，对许多受征地拆迁进度影响难以按期开工的车站，提供了一种新的高效施工方法。
Construction method for expanding negative three-layer space by open excavation of subway station and underground excavation of subway station
一种先明挖地铁车站后暗挖扩展负三层空间的施工方法
LI JINWU (author) / KONG CHUIGANG (author) / CHENG WENFENG (author) / WANG XIN (author) / HU DEHUA (author) / JIN CHAO (author) / CHEN YUPENG (author)
2024-04-05
Patent
Electronic Resource
Chinese
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