A double-row steel sheet pile cofferdam
A technology of steel sheet pile cofferdam and Larsen steel sheet pile, which is applied in construction, infrastructure engineering and other directions, can solve problems such as poor overall structural stability, and achieve the effect of improving installation efficiency, improving economic benefits and avoiding construction.
Active Publication Date: 2021-08-31
福建兴港建工有限公司
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Problems solved by technology
Therefore, the current arrangement of steel tie rods only has obvious restrictions on the position of the top, and the stability of the overall structure is poor
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[0038] The following is attached Figure 1-6 The application is described in further detail.
[0039] The embodiment of this application discloses a double-row steel sheet pile cofferdam, referring to figure 1 , figure 2 , including two rows of Larsen steel sheet piles 1 arranged in parallel along the width direction of the river, guide rail columns 2 fixedly connected to the backwater surface of the convex part of the Larsen steel sheet piles 1 and parallel to the Larsen steel sheet piles 1, and both ends The connecting pieces 3 respectively slidingly connected to the rail columns 2 . The ends of two rows of Larsen steel sheet piles 1 are abutted against the river bank 4, and there are multiple connecting pieces 3 on each guide rail column 2 and distributed along the length direction of the guide rail column 2, among which the uppermost connecting piece 3 is on the water surface Above, the water-facing surface of the Larsen steel sheet pile 1 is laid with anti-seepage clo...
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This application relates to a double-row steel sheet pile cofferdam, including two rows of Larsen steel sheet piles arranged in parallel, guide rail columns fixedly connected to the backwater surface of the outer convex part of the Larsen steel sheet piles and parallel to the Larsen steel sheet piles, and two ends respectively Slidingly connected to the connector of the guide rail column, the guide rail column is set at the maximum deformation position of the steel sheet pile and partly above the water surface, the guide rail column is provided with a slideway extending along the length direction of the guide rail column, the connector It includes a fixed sleeve and a sliding rod that is slidably inserted into the fixed sleeve along the axial direction of the fixed sleeve. As for the sliding seat, the fixed sleeve is provided with an adjusting member for adjusting the relative sliding position of the sliding rod and the fixed sleeve. The present application has the effect of more effectively restricting the displacement and bending moment of the double-row steel sheet piles.
Description
technical field [0001] The application relates to the technical field of river engineering construction, in particular to a double-row steel sheet pile cofferdam. Background technique [0002] The structural types of large cofferdams on soft soil foundations generally include earth-rock cofferdams and sheet pile cofferdams. Building a bulky earth dam cofferdam is difficult in terms of stability, foundation bearing capacity, seepage prevention and water prevention, and the construction period is very long. The steel sheet pile cofferdam has a small volume and a small impact range, and a double-row sheet pile structure or lattice sheet pile structure can be used. Compared with lattice-type steel sheet piles, the double-row steel sheet pile cofferdam structure has more advantages such as reliable water sealing and convenient recycling, and its cost is generally only 1 / 3 to 1 / 2 of the lattice-type steel sheet pile structure of the same scale. It can withstand large deformation...
Claims
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IPC IPC(8): E02D19/04
CPCE02D19/04
Inventor 吴学向阮鹏叶城雄吴叶婷
Owner 福建兴港建工有限公司