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Toe board connecting structure of steel structure sandwich steel plate dam

A technology for connecting structures and steel structures, applied in dams, barrages, water conservancy projects, etc., can solve the problems of easy damage, difficult repair, difficult sealing and fixing, etc., to achieve small implementation workload, simple structure, and reduced implementation costs and maintenance cost effects

Inactive Publication Date: 2012-05-30
NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] It is not easy to seal and fix the junction of the water retaining panel and the slope of face rockfill dams and face gravel dams, and it is easy to be damaged, and it is difficult to repair after damage

Method used

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  • Toe board connecting structure of steel structure sandwich steel plate dam
  • Toe board connecting structure of steel structure sandwich steel plate dam
  • Toe board connecting structure of steel structure sandwich steel plate dam

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Embodiment one: see figure 1 , figure 2 , a toe plate connection structure of a steel sandwich steel plate dam, the upstream water retaining surface of the dam body 1 is set as a combined sandwich steel plate, the slopes on both banks of the dam body are concrete step-shaped or inclined-plane-shaped toe plates 11, and the dam body 1 The river bed of the upstream water retaining surface is a concrete plane toe plate 12, and the two side edges of the outer steel plate 2 and the inner steel plate 3 of the sandwich steel plate are all set as L-shaped side legs and are provided with through holes on the side legs. Bolts are pre-embedded in the concrete toe plate opposite to the side feet, the through holes of the L-shaped side feet are set on the corresponding bolts and nuts are installed, rubber seals are set between the steel plate and the toe plates on both banks, or asphalt seals are assisted A layer of anti-corrosion and anti-seepage coating polyurea material is assis...

Embodiment 2

[0023] Embodiment two: see figure 1 and image 3 , a toe-slab connection structure of a steel sandwich steel dam. The upstream water retaining surface of the dam body is set as a combined sandwich steel plate. It is a concrete flat plinth, the two sides or the bottom of the sandwich steel plate are fixed together by the L-shaped connecting piece, and a rubber sealing sheet is installed between the L-shaped connecting piece, the steel plate and the concrete plinth, or an asphalt sealing layer is assisted. A layer of anti-corrosion and anti-seepage polyurea material is supplemented on all surfaces of the combined sandwich steel plate, as well as on the butt joints or connecting bolts.

[0024] Embodiment three, four: see figure 1 and Figure 4 , Figure 7 , a toe-slab connection structure of a steel sandwich steel dam. The upstream water retaining surface of the dam body is set as a combined sandwich steel plate. It is a concrete plane toe plate, and supporting steel plates...

Embodiment 7

[0026] Embodiment seven: see Figure 8 , a toe-slab connection structure of a steel sandwich steel dam. The upstream water retaining surface of the dam body is set as a combined sandwich steel plate. It is a concrete plane toe-slab, and an inclined plane parallel to the water retaining surface of the dam body is provided at the corresponding position of the toe-slab on both banks. Fixing bolts are pre-embedded in the inclined plane, and through-holes matching the bolts are provided on the interlayer steel plate and fitted on the corresponding bolts. A rubber sealing sheet is installed in the slot between the steel plate and the toe plate on both banks, or an asphalt sealing layer is assisted, and a layer of anti-corrosion and anti-seepage polyurea is assisted on all surfaces of the combined sandwich steel plate, as well as on the joints or connecting bolts Material.

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Abstract

The invention relates to a toe board connecting structure of a steel structure sandwich steel plate dam. An upstream water blocking surface of a dam body is a combined type sandwich steel plate, the two side slopes of the dam body are step-shaped or slop-shaped concrete toe boards, the river bed of the upstream water blocking surface of the dam body is a concrete flat toe board, the edge of at least one steel plate of the two sides or bottom side of the sandwich steel plate are fixed to the two side toe boards and the river bed toe board in a sealed way, and all the surfaces of a combined-type sandwich steel plate and butt joints or connecting bolts are coated with a layer of antiseptic impermeable coating polyurea material with assisting function. The invention particularly relates to a slope connecting structure for a steel structure combined-type panel dam, the steel structure combined-type panel earth dam is a novel hydraulic structure, and the dam body steel plate of a riverside surface, the two side slope toe boards and the river bed toe board can be rapidly assembled and sealed, thus the construction speed is improved, the operating cost and maintenance cost are reduced, the structure is simple, and the construction workload is low.

Description

technical field [0001] The invention relates to a face slope connection structure of a face dam in the technical field of water conservancy, in particular to a toe-slab connection structure of a steel structure sandwich steel plate dam. Background technique [0002] The traditional face dam refers to the dam type composed of rockfill body (or gravel material) and water retaining face. Concrete slabs are prone to temperature cracks, causing water seepage in the dam body, which is not good for structural stability, and there are problems such as maintenance difficulties in concrete slabs. Secondly, since the dam body of the face-face gravel dam is not suitable for flow, it is necessary to install special flood discharge facilities to ensure the safe operation of the project, which will increase the investment of the project. [0003] Concrete face rockfill dams and face face gravel dams must carry out construction diversion during construction to ensure the smooth progress of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B7/06E02B3/16
CPCY02A10/11
Inventor 刘尚蔚魏鲁双杨小荟魏群朱新民白卫峰
Owner NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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