Slope rock riverbed steel cofferdam based on suspended corner processing structures
A technology of steel cofferdam and slope rock, applied in the field of steel cofferdam, can solve the problems of difficult construction of cofferdam bottom sealing concrete, inability to implement leakage plugging outside the cofferdam, increased workload of foundation pit excavation, etc., and achieves high practical value. , The effect of reducing the amount of excavation of the foundation pit and high construction efficiency
Pending Publication Date: 2018-02-16
NO 1 ENG LIMITED OF CR20G
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Problems solved by technology
Due to the unevenness of the river bed surface, especially when the steel cofferdam is located on the slope rock river bed, the bottom of the steel cofferdam will be suspended, such as the corner of the steel cofferdam with a rectangular cross section. Suspended hanging feet (that is, at the top corner of the suspended steel cofferdam) make it impossible to implement leakage plugging on the outside of the cofferdam, which brings great difficulties to the construction of the cofferdam bottom seal
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[0040] Such as figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 As shown, the present invention includes a steel cofferdam body 1 and a suspension foot processing structure arranged on the suspension feet of the steel cofferdam body 1, and the steel cofferdam body 1 is a cubic steel sleeve supported on the slope rock riverbed 5 box, the cross-section of the cubic steel box is rectangular; the steel cofferdam body 1 is arranged vertically and it is spliced by four cofferdam panels all arranged vertically; The feet are the top corners suspended at the bottom of the steel cofferdam body 1, and the number of the suspended suspension feet processing structure is the same as the number of the suspended suspension feet; the suspension suspension feet processing structure includes two suspended wall panels arranged vertically The processing structure, each of the suspended wall panel processing structures includes one or more suspended wall panel segment processing stru...
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The invention discloses a slope rock riverbed steel cofferdam based on suspended corner processing structures. The steel cofferdam comprises a steel cofferdam body and the suspended corner processingstructures distributed on suspended corners of the steel cofferdam body; the steel cofferdam body is a cubic steel jacket box supported on the slope rock riverbed; each suspended corner processing structure comprises two suspended wallboard processing structures; each suspended wallboard processing structure comprises one or more suspended wallboard segment processing structures distributed on thesame vertical plane from front to back; each suspended wallboard segment processing structure is distributed on a suspended wallboard segment; and each suspended wallboard processing structure is aninserting plate type processing structure or a specially-shaped block and inserting plate combined processing structure. The suspended corners of the steel cofferdam is effectively processed through the suspended corner processing structures, the suspended wallboard processing structures in the suspended corner processing structures can adapt to the topographical change of the riverbed and can becombined with bottom blocking structures for underwater blockage, and the problem of the suspended corners of the slope rock surface steel cofferdam can be solved.
Description
technical field [0001] The invention relates to a steel cofferdam, in particular to a steel cofferdam on a slope rock riverbed based on a suspension foot treatment structure. Background technique [0002] Steel cofferdam is the water-retaining structure of cap platform construction. Steel cofferdam is usually used in the construction of bridge deep water foundation. The commonly used cofferdam can be divided into single-wall cofferdam and double-wall cofferdam according to the structure. When steel cofferdams are used to construct piers in water, the steel cofferdams need to be lowered to the river bed first. Due to the unevenness of the river bed surface, especially when the steel cofferdam is located on the slope rock river bed, the bottom of the steel cofferdam will be suspended, such as the corner of the steel cofferdam with a rectangular cross section. Suspended hanging feet (that is, at the top corner of the suspended steel cofferdam) make it impossible to implement l...
Claims
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CPCE02D19/04
Inventor 梁之海杜越刘俊斌赵久远朱山山严朝锋王永丽李东牛
Owner NO 1 ENG LIMITED OF CR20G
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