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Cable trench drainage structure and cable trench construction method

A drainage structure and construction method technology, applied to drainage structures, waterway systems, water supply devices, etc., can solve the problems of high equipment costs and maintenance costs, and cannot ensure that accumulated water can be discharged, and achieve the effect of reducing maintenance costs and reducing care

Active Publication Date: 2014-11-19
STATE GRID CORP OF CHINA +1
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method can only be used to install water pumps under the cable trenches in some or a few passages, and it cannot guarantee that the accumulated water in the cable trenches at each passageway can be discharged.
If the method of placing water pumps is adopted in every place, it will also lead to high equipment costs and maintenance costs, and special staff will be required to take care of them. Therefore, how to effectively and economically solve the water accumulation in the cable trench in the passage section Problem, is the important problem that the present invention will discuss

Method used

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Embodiment Construction

[0025] In order to make the purpose and technical features of the present invention obvious and easy to understand, the following specific embodiments are described in detail in conjunction with the accompanying drawings. The specific embodiments disclosed here are only used to illustrate the specific methods of the present invention, and are not intended to limit scope of the invention.

[0026] The present invention provides a kind of drainage structure of the cable ditch of the road section, such as figure 1 as shown, figure 1 It is a schematic cross-sectional view of the cable trench in the crossing road section in a specific embodiment of the present invention. There is a cable support S01 inside the cable trench S0, a plain concrete layer S02 at the bottom of the cable trench, and a pebble grouting layer S03 under the plain concrete layer S02. The cable trench drainage structure of the crossing road section includes: a water collecting ditch S3, a seepage well S5 and a ...

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Abstract

The invention provides a cable trench drainage structure and a cable trench construction method. The cable trench drainage structure comprises a water collection trench, a soakage pit and a connection pipe. The water collection trench is positioned at the bottom of a cable trench passing a road section; the soakage pit is positioned outside the cable trench passing the road section; the connection pipe is used for communicating the water collection trench with the soakage pit. Water accumulated in the cable trench passing the road section can be drained automatically.

Description

technical field [0001] The invention relates to a cable trench drainage structure and a cable trench construction method, in particular to a cable trench structure and a cable trench construction method in a road section. Background technique [0002] The problem of water accumulation in the cable trench in the substation has always been a hidden danger to the safety of the substation area. Safety accidents caused by water-soaked cables in cable trenches occur from time to time. In order to avoid this phenomenon and further improve and ensure the safe operation of cables, it is necessary to pay attention to the drainage of cable trenches. [0003] In a cable trench in a substation, usually the cable trench will pass through the road in the station and cross perpendicularly with the road in the station. The road in the station will be 150mm to 200mm lower than the ground in the station area. The bottom of the trench will be about 500mm lower than the bottom of the cable tren...

Claims

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Application Information

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IPC IPC(8): E03F5/00E03F5/10E03F3/02E03F3/04
Inventor 张晋梅成建宏黄毅臣王绵斌聂文海李顺昕霍菲阳赵国梁李莉李笑蓉吴小明范荻宋堃周洁梁大鹏
Owner STATE GRID CORP OF CHINA
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