Underground diaphragm wall wharf structure with pile foundations
A ground-to-wall and foundation technology, applied in foundation structure engineering, sheet pile walls, water conservancy projects, etc., can solve the problems of high material cost and construction cost, reduce the amount of engineering and excavation, and achieve huge economic benefits and social effects , enhance the effect of overall stability
Pending Publication Date: 2021-07-23
CCCC FHDI ENG
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Problems solved by technology
Although with the rapid development of high-strength steel research, the steel sheet pile or tube-sheet composite structure has higher strength, better water-tight performance, stability and displacement can meet the requirements, but the material cost and construction cost are relatively high.
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[0017] The present invention will be further described below in conjunction with accompanying drawing by specific embodiment:
[0018] In this example, refer to Figure 1-Figure 2 , the wharf structure with the ground wall of the pile foundation includes a wharf surface structure 6, a superstructure 11 and a front wall structure, and the wharf surface structure 6 and the superstructure 11 are arranged on the front wall structure; the front wall structure includes piles The foundation 1 and the front ground connection wall 2, the pile foundation 1 is inserted in the stratum (bearing layer) at the bottom of the water, the front ground connection wall 2 is poured on the pile foundation 1, and the upper part of the front ground connection wall 2 protrudes from the Above the water surface, the boundary elevation can be flexibly determined according to the construction water level, geological conditions and construction technology. The superstructure 11 is set on the front ground co...
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The invention discloses an underground diaphragm wall wharf structure with pile foundations. The underground diaphragm wall wharf structure comprises a wharf surface structure, an upper structure and a front wall structure, the front wall structure comprises the pile foundations and a front underground diaphragm wall, the front underground diaphragm wall is poured on the pile foundations, and the upper structure is arranged on the front underground diaphragm wall; an anchoring structure is arranged behind the front wall structure, a pull rod structure is arranged between the anchoring structure and the front wall structure, and the front wall structure is tensioned and fixed through the pull rod structure. The pile foundations are used for transmitting horizontal and vertical loads, meanwhile, the dewatering and drainage cost needed by underground diaphragm wall dry land construction is reduced, and the construction quality is improved; meanwhile, the width of the diaphragm wall can be remarkably reduced, the elevation of pull rods is reduced, the overall stability of the front wall structure is enhanced, structural deformation can be effectively reduced through the double-layer pull rods, and relative displacement between a front rail and a rear rail is reduced; various quality defects of a traditional diaphragm wall structure form are overcome, the engineering use amount and the excavation use amount are reduced, the engineering cost is saved, and the construction period is shortened.
Description
technical field [0001] The invention relates to the technical field of port construction engineering, in particular to a ground wall wharf structure with high horizontal and vertical bearing capacity, simple construction and convenient quality control. Background technique [0002] The sheet pile wharf lags behind in the development of large-scale and deep water, mainly because when the water depth of the harbor basin increases, the length of the sheet pile cantilever also increases, the earth pressure in the active area increases, and the sheet pile is prone to large displacement. The pulling force of the tie rod increases, which makes the overall stability difficult to meet the requirements. Although with the rapid development of high-strength steel research, the steel sheet pile or tube-sheet composite structure has higher strength, better water-tight performance, stability and displacement can meet the requirements, but the material cost and construction cost are relativ...
Claims
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IPC IPC(8): E02B3/06E02D27/12E02D5/18
CPCE02B3/068E02D27/12E02D5/18
Inventor 丁建军陈墨翟邓涛王军颜靖杨武
Owner CCCC FHDI ENG