Method for assembling rubber dam in slope-shaped river channel

A rubber dam, slope type technology, applied in the field of rubber dam installation, can solve the problems of uneven force on the dam bag, unsightly dam shape, affecting visual effects, etc., and achieves reduced stress concentration, high compressive strength, and consumption saving. Effect

Inactive Publication Date: 2010-12-15
JIANGSU YANGZHOU HELI RUBBER PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Rubber dams have been used in China for more than 40 years. Rubber dams can be divided into pillow type (also called plug type or non-end wall anchor type) and slope type (also called inclined wall type) from the structural type of the dam bag and the bottom plate. type or end-wall anchoring type), where the traditional slope rubber dam is arranged in the form of anchoring lines in the slope section: the vertical projection of the downstream anchoring line is distributed in a straight line with the horizontal section of the bottom plate, and the upstream anchoring line is inflated to the design height of the dam bag at The 45° tangent line projected horizontally on the slope surface and the extension and connection of the anchor line of the horizontal section of the floor. The main disadvantage of this structure is that after the existing dam bag 9 is filled with wa

Method used

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  • Method for assembling rubber dam in slope-shaped river channel
  • Method for assembling rubber dam in slope-shaped river channel
  • Method for assembling rubber dam in slope-shaped river channel

Examples

Experimental program
Comparison scheme
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Example Embodiment

[0023] Example one

[0024] Used in water storage and power generation construction occasions. The width of the river is 90 meters; the width between the rise lines 5 is 70 meters, and the designed interception water level is 5 meters high. Such as Figure 1-4 Shown.

[0025] 1) Set up upstream and downstream anchoring grooves and top anchoring grooves 4; at the bottom of the river 3 (river bottom 6), open up and downstream anchoring grooves that cross the river 3 at an interval of 11m; among them, the upstream anchoring groove 8 exceeds the rise line of the river After 0.5m of 5, turn to the downstream direction with a turning angle of 40° (keep the depth of the groove constant on the slope); the downstream anchoring groove 7 turns to the downstream direction after 0.5m of the river rise line 5, and the turning angle is less than The turning angle of the upstream anchoring groove 7 (keep the depth of the groove constant on the slope), ensure that the two grooves are left horizo...

Example Embodiment

[0031] Example two

[0032] It is applied to larger agricultural irrigation and water storage occasions. The width of the river is 12 meters; the width between the rise line 5 is 9 meters, and the designed interception water level is 1.5 meters. Such as Figure 1-4 Shown.

[0033] 1) Open up and down anchor grooves and top anchor grooves 4; at the bottom of the river 3 (river bottom 6), open up and down anchor grooves across the river 3 at an interval of 2.1m; the upstream anchor groove 8 rises above the river After 0.4m of line 5, turn to the downstream direction with a turning angle of 50° (keep the depth of the groove constant on the slope); the downstream anchoring groove 7 turns to the downstream direction after 0.4m of the river rise line 5, turning angle Less than the turning angle of the upstream anchoring groove 7 (keep the depth of the groove constant on the slope) to ensure that the two grooves have a horizontal, 1m top anchor on the upper edge of the river 3 (0.2-0.3...

Example Embodiment

[0039] Example three

[0040] Used in urban beautification and water storage occasions. The width of the river is 120 meters; the width between the rise line 5 is 100 meters, and the designed interception water level is 4.0 meters high. Such as Figure 1-4 Shown.

[0041] 1) Open up and down anchor grooves and top anchor grooves 4; at the bottom of the river 3 (river bottom 6), open up and down anchor grooves across the river 3 at an interval of 7.5m; the upstream anchor groove 8 rises above the river After 0.4m of line 5, turn to the downstream direction with a turning angle of 45° (keep the depth of the groove constant on the slope); the downstream anchoring groove 7 turns to the downstream direction after 0.4m of the river rise line 5, turning angle Less than the turning angle of the upstream anchoring groove 7 (keep the depth of the groove constant on the slope), and ensure that the two grooves have a horizontal top edge of 1.5m on the upper edge of the river 3 (0.5-0.8 mete...

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Abstract

The invention relates to a method for assembling a rubber dam in a slope-shaped river channel. The method solves the long-existing problem of water leaking at the design height of the conventional slope-shaped rubber dam at present, improves unreasonable stress of dam bags and improves appearance of dam shapes. The method comprises the following steps of: 1) opening an upstream anchoring tank, a downstream anchoring tank and a top anchoring tank; 2) installing the bag edges of a downstream dam of the dam bag of the rubber dam; 3) installing the bag edges of an upstream dam of the dam bag of the rubber dam; 4) sealing both ends of the dam bag of the rubber dam, flatly overlaying ports on both ends of the dam bag, and placing the ports into the top anchoring tank; and 5) injecting water to the dam bag of the rubber dam from a water injection port to install the rubber dam. The method changes the structural form in the river channel after the rubber dam is installed, the slope part of the dam bag of the rubber dam extends downstream, cockles are formed at the positions of the horizontal section of the dam bottom and the slope section after the dam bag is aerated, and the cockles exist in downstream instead of the top of the dam bag in the conventional structure (the cockles are formed in the vertical direction).

Description

technical field [0001] The invention relates to a method for installing a rubber dam, in particular to a method for installing a rubber dam in a slope-shaped river course. Background technique [0002] Rubber dams have been used in China for more than 40 years. Rubber dams can be divided into pillow type (also called plug type or non-end wall anchor type) and slope type (also called inclined wall type) from the structural type of the dam bag and the bottom plate. type or end-wall anchoring type), where the traditional slope rubber dam is arranged in the form of anchoring lines in the slope section: the vertical projection of the downstream anchoring line is distributed in a straight line with the horizontal section of the bottom plate, and the upstream anchoring line is inflated to the design height of the dam bag at The 45° tangent line projected horizontally on the slope surface and the extension and connection of the anchor line of the horizontal section of the floor. The...

Claims

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Application Information

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IPC IPC(8): E02B3/10E02B3/12
Inventor 宋继良陈祝锦陈理想高俊郭华王峰
Owner JIANGSU YANGZHOU HELI RUBBER PROD
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