Method and structure for preventing concrete spiral casing seepage through built-in steel plate
A combination of reinforced concrete and concrete technology, which is applied in water conservancy projects, sea area projects, hydroelectric power stations, etc., can solve problems such as unsatisfactory anti-seepage effect of reinforced concrete volute, achieve unsatisfactory anti-seepage effect and improve anti-seepage ability , the effect of ensuring the compactness
Active Publication Date: 2017-03-22
GUIZHOU SURVEY & DESIGN RES INST FOR WATER RESOURCES & HYDROPOWER
View PDF7 Cites 1 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] The purpose of the present invention is to provide a concrete volute anti-seepage method and its structure using built-in steel plates, which has the advantage of preventing the concrete volute from seepage and solves the problem that the existing reinforced concrete volute has an unsatisfactory anti-seepage effect
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0017] see Figure 1-2 , a concrete volute anti-seepage structure using a built-in steel plate, including a volute body 1, a thin steel plate 5 is fixedly connected to the middle of the section of the volute body 1, and is welded with a stiffener 4, which can realize a one-time concrete volute The integrity of the casting improves the overall compactness and firmness of the concrete volute, and solves the problem of the unsatisfactory anti-seepage effect of th...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a method and structure for preventing concrete spiral casing seepage through a built-in steel plate. According to the method, the steel plate is arranged in a reinforced concrete spiral casing to prevent outward seepage of water in the spiral casing; the steel plate is located in the reinforced concrete spiral casing, the periphery of the reinforced concrete spiral casing is covered with the built-in steel plate by a circle, and stiffening ribs are arranged on the two sides to reinforce combination between the built-in steel plate and the concrete; a reinforcing steel bar needing to penetrate the built-in steel plate is cut off at the steel plate position and is welded to the steel plate with a welding length; and a backfill grouting system is arranged below the steel plate. According to the method and the structure, the thin steel plate is fixed into a spiral casing body and welded to the stiffening ribs, completeness of one-time pouring of the concrete spiral casing can be achieved, the compactness and firmness of the whole concrete spiral casing are improved, and the problem that an existing reinforced concrete spiral casing is non-ideal in seepage preventing effect is solved; and meanwhile, by means of the action of a slurry inlet pipe and a slurry outlet pipe, the lower empty part of the thin steel plate can be subjected to backfill grouting after the temperature of poured concrete is stabilized.
Description
technical field [0001] The invention relates to the technical field of water conservancy and hydropower engineering, in particular to a method for preventing seepage of a concrete volute by using a built-in steel plate and its structure. Background technique [0002] The volute is the abbreviation of the volute-type water diversion chamber. Its shape is very similar to a snail shell, so it is usually referred to as the volute. In order to ensure uniform water supply to the water guide mechanism, the section of the volute is gradually reduced. The necessary circulation is formed to reduce the working strength of the water guiding mechanism. The volute should adopt an appropriate size to ensure that the hydraulic loss is small, and it can also reduce the size of the plant and reduce the civil construction investment. It is a closed structure made of reinforced concrete or metal. The volute is the most commonly used water diversion chamber in the impact turbine, and the force o...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): E02B3/16E02B9/06
CPCE02B3/16E02B9/06Y02E10/20
Inventor 李晓梅王力李元杰冯俊
Owner GUIZHOU SURVEY & DESIGN RES INST FOR WATER RESOURCES & HYDROPOWER