A material transportation operation platform and its construction method under the cross-operation environment of foundation pit
A construction method, cross-operation technology, applied in infrastructure engineering, excavation, construction, etc.
Active Publication Date: 2020-10-20
CHINA RAILWAY FIRST GRP CO LTD +1
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Problems solved by technology
[0003] The first technical problem to be solved by the present invention is to provide a material transportation operation platform under the cross-operation environment of the foundation pit, so as to solve the transportation problem of building materials and excavated slag in the transfer channel
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[0052] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0053] Such as figure 1 As shown, in the construction of the foundation pit of the subway transfer channel, there is a large height difference between the bottom of the channel foundation pit and the bottom of the Fengting foundation pit, and the transfer channel cover is excavated smoothly. For multi-layer structure. As in this embodiment, the channel structure adopts a double-layer structure on one side and a single-layer structure on one side. After the foundatio...
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The invention discloses a material conveying operation platform under a foundation pit cross operation environment. The material conveying operation platform under the foundation pit cross operation environment is used for material conveying in subway transfer channel foundation pit construction which adopts a cover-excavation method. The material conveying operation platform under the foundationpit cross operation environment comprises a material transferring platform and a material conveying channel, wherein the material transferring platform is arranged in a wind pavilion foundation pit, and a first temporary upright column used for supporting the material transferring platform is arranged in the wind pavilion foundation pit; and the material conveying channel is arranged in a transferchannel foundation pit, one end of the material conveying channel is connected with the material transferring platform, the other end of the material conveying channel is butted with the uppermost layer of the transfer channel foundation pit, one side of the material conveying channel is connected with a second temporary upright column in the transfer channel foundation pit in a supported mode, and the other side of the material conveying channel is connected with a hook embedded in the top of the transfer channel foundation pit through a suspension wire rope. The invention further disclosesa construction method of the material conveying operation platform. An existing supporting system in the foundation pit is utilized to build a bearing framework and the material conveying operation platform is suitable for a construction environment with narrow construction sites and multi-level cross operations in a three-dimensional space, mutual interference among various constructions is greatly reduced, and it is ensured that various constructions are carried out safely and synchronously.
Description
technical field [0001] The invention belongs to the technical field of subway construction, and in particular relates to a material transport operation platform and a construction method thereof under the cross-operation environment of foundation pits. Background technique [0002] With the rapid development of subway construction, more and more subway lines are planned and constructed, and the number of transfer stations will also increase. When it is necessary to build a transfer passage to connect adjacent stations due to the limitation of underground space, there will be cases where the construction of the transfer passage and the foundation pit construction of other auxiliary structures of the station will intersect. In this case, it is difficult to solve the transportation problems of building materials and excavated slag in the transfer channel belt excavation, and it is difficult to ensure the safety and synchronization of various constructions under the cross-operat...
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IPC IPC(8): E02D17/02E02D15/00
CPCE02D15/00E02D17/02
Inventor石重庆杨宏刚刘奥林白小雪布强李海鹏王树英
OwnerCHINA RAILWAY FIRST GRP CO LTD