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A kind of rubber dam used for storage reservoir and its construction method

A technology for rubber dams and reservoirs, which is applied in water conservancy projects, sea area projects, construction, etc., and can solve problems such as deformation and damage of anchor shafts, problems of dam bag fixing firmness, extrusion deformation, etc.

Active Publication Date: 2021-09-10
HANGZHOU BLUE SKY LANDSCAPE CONSTR GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The anchorage of the wedge mainly depends on the extrusion of the front wedge and the anchor groove to the dam bag and the bottom gasket as the fixing method of the dam bag. After a long time of use, the rubber dam is prone to extrusion deformation and gaps between the wedge and the anchor groove And other problems, which lead to problems in the fixing firmness of the dam bag. In addition, since different positions of the rubber dam are impacted by the water flow differently, the force of the dam bag in the anchor groove of the corresponding position on the anchor shaft along its direction is also different. Different, the anchor shaft is also prone to deformation and damage after long-term use

Method used

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  • A kind of rubber dam used for storage reservoir and its construction method
  • A kind of rubber dam used for storage reservoir and its construction method
  • A kind of rubber dam used for storage reservoir and its construction method

Examples

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Effect test

Embodiment example 1

[0036] refer to Figure 1-Figure 4 , as a new type of dam, the rubber dam has the following outstanding advantages compared with other types of gates and dams: ① Save three materials. Generally, 30% to 50% of steel can be saved, 20% to 50% of cement can be saved, and 60% of wood can be saved. ②The cost is low. Compared with the cost of steel structure gates of the same scale, the investment can generally be reduced by 30% to 70%. ③No water blocking and good water stopping effect. The main disadvantages of rubber dams are poor firmness and easy aging. This is because the main material of the dam bag is adhesive tape with a thickness of several millimeters. Although it is relatively flexible, it is not robust enough to be easily damaged by machinery. It needs to be carefully maintained during use to prevent it from being stabbed by sharp objects. Using the rubber dam project to increase the amount of groundwater resources in the riverside area is an important way to solve th...

Embodiment example 2

[0047] Before the construction of the rubber dam, the following preparations are required:

[0048] It should include two aspects: one is civil engineering; the other is the customization of rubber dam bags. Civil engineering involves the construction of cofferdams, construction diversion, excavation of foundation pits, foundation floor construction, anchor trench construction, and laying of related control and observation pipelines. The civil construction process flow is: clearing the river bed→site layout→damming and intercepting (or repairing cofferdam)→setting construction drainage→excavating the foundation pit→pouring the foundation floor, bank wall, stilling basin (apron)→the later stage of the anchoring groove Concrete → masonry bedding, seamanship, slope protection → burying bolts and pipes, etc. For dam bags, the dam bags need to be inspected to ensure the quality of the dam bags. After leaving the factory, it is necessary to strictly check whether their quality and s...

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Abstract

The invention discloses a rubber dam for a reservoir, comprising a foundation bottom plate arranged at the bottom of a river bed, two shoe-shaped anchoring grooves, a dam bag and a bottom gasket, and the two anchoring grooves are respectively reserved and set On the upstream and downstream of the base plate, the convex groove in the front of the anchoring groove is provided with an anchoring shaft on which the bottom gasket and the dam bag are rolled, and the anchoring groove is arranged to squeeze the dam bag and the dam bag. The front wedge block and the rear wedge block of the bottom gasket, the part of the dam bag and the bottom gasket wrapping the anchor shaft, and a plurality of positioning shells are sleeved along the axial direction of the anchor shaft. The shell has openings through which the dam pockets and bottom gaskets pass. The invention also discloses the construction method of the rubber dam. The beneficial effect of the invention is that, compared with the traditional wedge block anchoring, an independent dam bag fixing structure is added, and the firmness of the fixing is not easily affected by the loss of long-term use, and the overall structural firmness of the rubber dam is strengthened, avoiding Leakage, damage, etc.

Description

technical field [0001] The invention relates to a rubber dam used for a water storage reservoir and a construction method thereof, which are mainly applied in the technical field of construction engineering in water. Background technique [0002] With the rapid development of science and technology, a new type of building, the rubber dam, has emerged in the water conservancy construction industry. The dam height of this kind of dam can be adjusted according to actual needs, and the dam crest can function as an overflow weir, which is more flexible in practical application. In 1966, my country's first rubber dam came out. Although my country's rubber dam construction started late, it has developed rapidly. In recent years, a large number of rubber dam projects have been completed, and huge economic and social benefits have been achieved in the fields of agricultural irrigation, urban water supply, ecological culmination, landscape construction, and wetland protection. . The...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B7/00E02B8/00
CPCE02B7/005E02B8/00
Inventor 王振宇刘振兴盛千凌张宏烈陈栋
Owner HANGZHOU BLUE SKY LANDSCAPE CONSTR GROUP
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