Novel weir building method enclosure structure and construction method thereof
An envelope structure and a new type of technology, which can be used in infrastructure engineering, construction, sheet pile walls, etc., can solve problems such as impermeability and deformation cost, and achieve the effects of reducing water content, reducing engineering costs, and improving stability.
Pending Publication Date: 2022-07-29
THE SECOND ENG CO LTD OF CHINA RAILWAY 14TH CONSTR BUREAU CO LTD
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Problems solved by technology
[0005] In order to solve the above problems, the present invention provides a novel dam method enclosure structure and its construction method in the PC composite pile cofferdam structure, which effectively solves the problems of anti-seepage, deformation, and cost in the traditional cofferdam structure. disadvantages
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[0055] specific implementation
[0056] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "diameter", "upper", "lower", " High, low, front, back, left, right, vertical, horizontal, top, bottom, inside, outside, etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. , so it should not be construed as a limitation of the present invention.
[0057] The present invention will be specifically described below in conjunction with the accompanying drawings:
[0058] like figure 1 , 2 , 3 and 4, a new type of weir building enclosure structure consists of steel pipe pile...
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The invention discloses a novel weir building method enclosure structure which is composed of first steel pipe piles, Larsen steel sheet piles, second steel pipe piles, steel enclosing purlins, pull rods and bracket supports. The first steel pipe pile and the Larsen steel sheet pile are assembled and combined into a lock catch structure through the first locking opening and the second locking opening to be arranged on the upstream side. The steel enclosing purlin adopts a double-splicing structure, consists of light channel steel and a stiffening plate, and is arranged above the bracket bracket; the pull rod consists of a finish rolling deformed steel bar pull rod, a steel gasket and a nut; the finish rolling deformed steel bar pull rod penetrates through the first steel pipe pile, the second steel pipe pile and the steel enclosing purlin. The invention also provides a construction method which consists of seven steps. According to the cofferdam, a series of problems that a traditional cofferdam is insufficient in anti-permeability and lateral deformation resistance are effectively solved while the structural rigidity is met, the requirements of modern green engineering development are met, and the cofferdam has great popularization value.
Description
technical field [0001] The invention relates to a novel weir construction method enclosure structure and its construction method in the PC combined construction method pile cofferdam structure. Background technique [0002] For excavation of foundation pits in water, cofferdam is an indispensable temporary structure in order to facilitate drainage, foundation excavation and masonry foundation construction. The cofferdam project should mainly consider the requirements of stability and anti-seepage. The types of commonly used cofferdams are: soil cofferdam, straw bag cofferdam, wood pile cofferdam, steel cofferdam and steel concrete cofferdam. [0003] The foundation pit project with a higher safety level constructed in deep water has stricter requirements on the stability and impermeability of the cofferdam. The steel cofferdam has the advantages of high rigidity, good impermeability, and a wide range of applications. widely used in engineering. Steel cofferdams generally i...
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IPC IPC(8): E02D19/04E02D5/28E02D7/00E02D7/06
CPCE02D19/04E02D5/285E02D7/00E02D7/06E02D2300/0029E02D2600/20
Inventor 康健王晨光秦尚进王建田园刘兴文赵友阔冯丹丹左文振郝洪林王清标胡忠经张静静冯圆成彭传雄孙元苓
Owner THE SECOND ENG CO LTD OF CHINA RAILWAY 14TH CONSTR BUREAU CO LTD