Cage and method for closing closure gap by combining cage with filler

A filling and cage technology, which is applied in water conservancy projects, sea area engineering, coastline protection, etc., can solve the problems of high flow velocity, large tidal capacity, and increased investment in dikes at the mouth of the mouth, so as to reduce the width of the mouth of the mouth, save investment, shorten the The effect of duration

Inactive Publication Date: 2011-10-05
马兴华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the laying and filling of bagged sand prisms needs to be carried out at a small flow rate, this method can only be adapted to the case of a small flow rate (generally no more than 3m / s) at the faucet, and cannot adapt to the interception of a large flow rate.
[0005] For large-scale enclosures, if dikes are used to divide and close the dragon mouth to control the flow rate at the entrance, the investment in dikes will inevitably increase. If no dikes are set to reduce the investment in dikes, due to the large area of ​​the enclosure and the large amount of tidal capacity, The flow velocity of the dragon mouth is very large (often exceeding 3m / s), and the existing dragon mouth interception and closure method cannot meet the needs

Method used

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  • Cage and method for closing closure gap by combining cage with filler
  • Cage and method for closing closure gap by combining cage with filler
  • Cage and method for closing closure gap by combining cage with filler

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Example 1 of the cage body: trapezoidal section, steel structure skeleton

[0044] see figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 , the cage body 3 is a space hexahedron cage structure, which is formed by connecting the space frame and the planar network structure 2, and the space frame is formed by connecting the planar truss or planar rigid frame 1 on the horizontal side, the longitudinal side, the bottom and the top, and the longitudinal direction can be set as required The planar truss or planar rigid frame of the diaphragm1.

[0045] In the height direction of the Longkou 5, the height of the cage body 3 is determined according to the elevation of the bottom of the installation and the interception elevation, generally 3m to 30m; in the transverse direction of the Longkou 5, the cage body 3 is trapezoidal, that is, the water facing surface on both sides of the horizontal direction adopts a slope type, The slope is 1∶0.2~1∶1.5, generally ...

Embodiment 2

[0049] Cage embodiment two: rectangular section, steel structure skeleton

[0050] see Figure 7 , in the transverse direction of Longkou 5, the cage body 3 is rectangular, that is, the water-facing surfaces on both lateral sides are upright, and the width is generally 3m to 30m, which is determined by the overall stability calculation of the cage body according to the design conditions, and the rest are the same as the cage body embodiment 1. .

[0051] The actual size of a cage: In the transverse direction of Longkou 5, the cage 3 is rectangular, the upper and lower bottoms are 15m wide, the height is 8.9m, and the length of a single cage 3 is 10m. The plane truss or plane rigid frame 1 of the cage body 3 is formed by combined welding of section steel and flat steel, the plane mesh structure 2 adopts steel mesh, and the weight of a single cage body 3 is 28 tons.

Embodiment 3

[0052] Cage Example 3: Trapezoidal Section, Reinforced Concrete Skeleton

[0053] see Figure 8 , Figure 9 , Figure 10 The planar truss or planar rigid frame 1 is a reinforced concrete structure, and the planar mesh structure 2 adopts one or more combinations of steel mesh, steel mesh, steel mesh, and nylon mesh, and the rest are the same as the cage body embodiment one.

[0054] Embodiment 1 of the method of closure and closure of the dragon mouth using cages combined with fillers

[0055] see Figure 11 , Figure 12 , the first step of closing and closing the dragon, on the bottom protection structure 7 of the dragon mouth in the enclosing area 6, place the main structure of the closing and closing the dragon mouth - the cage body 3, the details are as follows: the width of a certain dragon mouth 5 is 800m, and the bottom protection structure of the dragon mouth in the enclosing area 6 7, continuously place cages 3 along the longitudinal direction of the dragon mouth ...

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Abstract

The invention relates to a cage and a method for closing a closure gap by combining the cage with filler. The technical scheme adopted in the invention is as follows: the cage is in a spatial hexahedron cage structure and is formed by connecting a spatial skeleton with a planar network structure, the cage is rectangular or is in a combined shape of rectangle and trapezoid, the skeleton is a steel structure or reinforced concrete structure, and the planar network structure is one or combination of more than one of a structural steel network, a reinforcement fabric, a steel wire mesh and a nylon mesh; and the method for closing closure by combining the cage with filler comprises the following steps of: firstly, arranging the cage on a fenced area closure river bottom protection structure; secondly, throwing and filling the filler used for river closure into the cage so as to realize the river closure on the closure gap; and thirdly, strengthening and choking inside and outside the cage so as to realize choking and closing on the closure gap. The invention has the technical effects that the cage and the method provided by the invention are used for closing a large fenced area high-flow rate closure gap by virtue of the river closure, the problem that the large fenced area high-flow rate closure gap is difficult to close by virtue of the river closure is effectively solved, the width of the closure gap is reduced, subarea dike separation is reduced or even eliminated, investment is saved, and construction period is shortened.

Description

Technical field: [0001] The invention belongs to the field of reclamation engineering, and relates to a structure for closing and closing a dragon's mouth and a method for closing and closing a dragon's mouth, in particular to a cage for closing and closing a dragon's mouth and a cage for closing and closing a dragon's mouth with fillers The closure method is used for closure and closure of high-velocity entry in large enclosures. Background technique: [0002] At present, the commonly used methods of dam closure for reclamation projects in areas along the river, coast and offshore (sea reclamation, beach reclamation, enclosure, reservoir, ash reservoir, artificial island, etc.) include the riprap prism closure method and the rappel prism closing method. The method of closing and closing the flow by bagged sand prisms is adopted. [0003] The method of closure and closure of the dragon mouth by using riprap prisms to intercept the flow: Use riprap to propel vertical plugs a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B7/00
Inventor 马兴华
Owner 马兴华
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