Cement-based material underwater grouting or mud-jack rock block foundation construction method

A cement-based material and foundation construction technology, applied in infrastructure engineering, sustainable waste treatment, solid waste management, etc., can solve problems such as hindering construction, affecting farming, affecting reservoir water storage, etc. The effect of construction progress and reduction of construction costs

Active Publication Date: 2016-05-11
吉林省银河水利水电新技术设计有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for the reinforcement of the reservoir, it is necessary to release water for the slope protection of the dam, which affects the water storage of the reservoir. Farmers are very opposed to it, and often make the local farmers block the construction, because the release of water may

Method used

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  • Cement-based material underwater grouting or mud-jack rock block foundation construction method
  • Cement-based material underwater grouting or mud-jack rock block foundation construction method
  • Cement-based material underwater grouting or mud-jack rock block foundation construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Include the following steps:

[0069] (1) Use the hook machine to excavate the foundation groove, and the length of a single operation is 2.5 to 3.5 meters;

[0070] (2) According to the condition of the foundation tank, choose the cement-based material underwater grouting method or grouting stone method for foundation construction:

[0071] (1) When the excavated foundation groove is located under the water surface, the closed structure shaping cage is used, and the cement-based material underwater grouting method is selected for foundation construction:

[0072] The closed structure shaped cage can be made underwater or on land and then put into the water. Steel bars, geogrids or wooden strips are used to weave the gabion with steel wires. Wrap or line with non-woven fabric. The function of non-woven fabric is to drain the water in the gabion and prevent the cementitious material in the gabion from leaking out. Insert a grouting pipe into the gabion so that the grout...

Embodiment 2

[0115] Include the following steps:

[0116] (1) Use the hook machine to excavate the foundation groove, and the length of a single operation is 2.5 to 3.5 meters;

[0117] (2) According to the condition of the foundation tank, choose the cement-based material underwater grouting method or grouting stone method for foundation construction:

[0118] (1) When the excavated foundation groove is located under the water surface, the closed structure shaping cage is used, and the cement-based material underwater grouting method is selected for foundation construction:

[0119] The closed structure shaped cage can be made underwater or on land and then put into the water. Steel bars, geogrids or wooden strips are used to weave the gabion with steel wires. Wrap or line with non-woven fabric. The function of non-woven fabric is to drain the water in the gabion and prevent the cementitious material in the gabion from leaking out. Insert a grouting pipe into the gabion so that the grout...

Embodiment 3

[0166] Include the following steps:

[0167] (1) Use the hook machine to excavate the foundation groove, and the length of a single operation is 2.5 to 3.5 meters;

[0168] (2) According to the condition of the foundation tank, choose the cement-based material underwater grouting method or grouting stone method for foundation construction:

[0169] (1) When the excavated foundation groove is located under the water surface, the closed structure shaping cage is used, and the cement-based material underwater grouting method is selected for foundation construction:

[0170] The closed structure shaped cage can be made underwater or on land and then put into the water. Steel bars, geogrids or wooden strips are used to weave the gabion with steel wires. Wrap or line with non-woven fabric. The function of non-woven fabric is to drain the water in the gabion and prevent the cementitious material in the gabion from leaking out. Insert a grouting pipe into the gabion so that the grout...

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Abstract

The invention relates to a cement-based material underwater grouting or mud-jack rock block foundation construction method and belongs to hydraulic cement-based material underwater foundation structure construction methods. A forming gabion is used for forming or the excavation boundary of a foundation serves as the outline, chicken girt concrete with the good fluidity and the high sand ratio is poured into a paving rock block stacked body or gaps of the paving rock block stacked body is filled with the chicken girt concrete by means of the self-leveling performance of the chicken girt concrete underwater, and thus underwater cement-based material grouting rock block or mud-jack rock block structure construction is achieved. The cement-based material underwater grouting or mud-jack rock block foundation construction method has the advantages that when underwater grouting or mud-jack rock block foundation construction is conducted and the water depth is smaller than one meter, construction can be directly carried out without draining water, and thus the construction progress can be greatly accelerated and the construction cost is reduced; when the method is used for reservoir risking obviation and reinforcement construction, the water drainage amount can be greatly reduced, and the construction can be completed on the premise that the effect that water is stored as much as possible is effectively ensured.

Description

technical field [0001] The invention belongs to a construction method of an underwater foundation structure of a hydraulic cement-based material. Background technique [0002] Many water conservancy projects had to be shut down due to difficulty in drainage. For example, in recent years, the weather has been extremely dry, and it is difficult to store water in the reservoirs. It is often difficult to store water in the reservoirs in autumn. However, for the reinforcement of the reservoir, the dam slope protection must release water, which affects the water storage of the reservoir. Farmers are very opposed to it, and often make the local farmers block the construction, because the release of water may affect the cultivation of the next year. For example, when carrying out the slope protection construction of the reservoir dam, the foot groove of the foundation is excavated deeply, and it is difficult to carry out the construction because of the water protection by farmers. ...

Claims

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Application Information

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IPC IPC(8): E02D27/52E02D15/06E02D15/10C04B28/04C04B14/06C04B18/08C04B18/14C04B14/04C04B24/26C04B24/38C04B14/10C04B24/42C04B103/30C04B111/74C04B111/70
CPCC04B28/04C04B2111/70C04B2111/74E02D15/06E02D15/10E02D27/52E02D2250/003E02D2300/002C04B14/06C04B18/08C04B18/146C04B14/04C04B24/2652C04B24/383C04B2103/302C04B2103/304C04B14/104C04B24/42Y02W30/91
Inventor 郑铎周继元王宪国杨金良张春海卢佳
Owner 吉林省银河水利水电新技术设计有限公司
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