Fabricated supporting assembly for trench excavation and construction method
A technology of support components and construction methods, which is applied in excavation, infrastructure engineering, earth movers/shovels, etc., and can solve problems such as troublesome installation of support structures, high safety risks, and long construction periods
Active Publication Date: 2021-12-31
GUANGZHOU ENG CO LTD OF CHINA RAILWAY 19TH BUREAU GRP
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Problems solved by technology
[0004] The first purpose of the present invention is to provide an assembled support assembly, which can solve the problems of troublesome installation of existing support structures during trench excavation
[0005] The second object of the present invention is to provide a construction method for trench excavation, which can solve the problems of high safety risk, long construction period and low installation accuracy of the existing trench excavation construction method
Method used
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Embodiment Construction
[0027] The present invention is used in the pipeline engineering of municipal roads. It is necessary to excavate the trench before burying the pipeline. Groove excavation has good construction effect.
[0028] The following is an embodiment of the assembled support assembly of the present invention:
[0029] see figure 1 , the assembled support assembly of the embodiment of the present invention includes a support frame 11 and a fixed support hook 3, the support frame 11 includes a first enclosure plate 1 and a second enclosure plate 5, and the two ends of the connecting rod 2 are respectively connected to the first enclosure The plate 1 and the second enclosure plate 5 may be connected by welding, riveting or the like. One end of the fixed support hook 3 is arranged on the first enclosure plate 1 and the second enclosure plate 5 . In this embodiment, the first fence 1 and the second fence 5 can be made of H-shaped steel, the connecting rod 2 can be made of steel pipe, and ...
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The invention provides a fabricated supporting assembly for trench excavation and a construction method. The fabricated supporting assembly comprises a first U-shaped plate pile set and a second U-shaped plate pile set. Each U-shaped plate pile set is provided with a plurality of U-shaped plate piles which are sequentially connected. A supporting frame is connected between every two U-shaped plate piles. Each supporting frame comprises an enclosure steel plate and a connecting rod. The supporting frames are connected with the U-shaped plate piles through fixing supporting hooks, and therefore a stable supporting structure is formed. The invention further provides the construction method for trench excavation based on the fabricated supporting assembly. The construction method comprises the steps of firstly, manufacturing the supporting frames and the fixing supporting hooks according to the design of a pipeline; then carrying out excavation by a certain depth, and placing the supporting frames and the fixing supporting hooks according to a set circulation section; then driving the U-shaped plate piles into the supporting frames one by one according to the edges of the supporting frames, and then adjusting the fixing supporting hooks to enable the supporting structure to be stable; and carrying out trench excavation, and after construction of the circulation section is completed, repeating the steps for construction of the next circulation section till trench construction is completed.
Description
technical field [0001] The invention relates to the field of pipeline construction, in particular to an assembled support component suitable for trench excavation and a construction method. Background technique [0002] At present, the construction of urban road pipelines requires the excavation of trenches to bury pipelines. The construction of shallow pipelines generally adopts the direct burial method of trenching. When the depth of the pipeline is relatively deep, generally more than 2 meters deep, it is necessary to use supports to support the soil. prevent trench collapse. [0003] Existing support structures generally include steel sheet piles and internal supports. The support structure is formed by internal supports such as steel sheet piles and purlins between the steel sheet piles, and supporting steel pipes. The defect of this structure is that the steel sheet piles generally need to be welded. It affects the mechanical performance of steel sheet piles, and it i...
Claims
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IPC IPC(8): E02F5/10E02D17/08E02D5/04
CPCE02F5/10E02D17/08E02D5/04Y02A30/60
Inventor 戴德军王涛程喜杨新民莫蜀湘陈兴林王晶城吕佳
Owner GUANGZHOU ENG CO LTD OF CHINA RAILWAY 19TH BUREAU GRP