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Connection structure and construction method of prefabricated cable well and cable pipe cast-in-place structure

A technology for cable ducting and structural connection, which is used in infrastructure engineering, underwater structures, artificial islands, etc., can solve problems such as uneven settlement, water leakage, cracking of prefabricated cable shaft walls and concrete encapsulation, etc. The effect of reliability, good water stop performance

Active Publication Date: 2016-03-09
CHINA CONSTR EIGHT ENG DIV CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a connection structure between the prefabricated cable well and the cast-in-place structure of the cable pipe, as well as the construction method of this connection structure, so as to solve the Technical issues such as cracking and water leakage between prefabricated cable well walls and concrete encapsulation

Method used

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  • Connection structure and construction method of prefabricated cable well and cable pipe cast-in-place structure
  • Connection structure and construction method of prefabricated cable well and cable pipe cast-in-place structure
  • Connection structure and construction method of prefabricated cable well and cable pipe cast-in-place structure

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Embodiment Construction

[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0022] Such as Figure 1 ~ Figure 4 As shown, the prefabricated cable shaft 8 of the present invention and the cast-in-place structure connection structure of the cable pipe 7 include a steel bar connector 2, a pipe reinforcement 6, a cable casing 4 and a cable pipe 7, and one end of the steel bar connector 2 Connect the L-shaped steel bar 1 pre-buried in the well wall 3, the other end is connected to the pipe reinforcement 6, and a plurality of cable casings 4 are set in the well wall 3 to connect the cable pipe 7 one by one, and there is a template on the outside of the well wall 3 The groove 5 is matched with the concrete encapsulation of the cable duct 7 . The steel bar connector 2 is threadedly connected with the L-shaped steel bar 1 and the pipe reinforcement 6 .

[0023] The construction method of the connection structure of ...

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Abstract

The invention relates to a connecting structure for a prefabricated cable well and cable duct cast-in-place structure and a construction method thereof. The connecting structure comprises rebar connectors, duct reinforcing bars, cable sleeves and cable ducts. One end of each rebar connector is connected with an L-shaped rebar embedded in a well wall, and the other end of each rebar is connected with one duct reinforcing bar. The cable ducts are nested in the cable sleeves disposed inside the well wall, respectively. A form recess outside the well wall and the ducts are in concrete encapsulation fit. The connecting structure and the construction method thereof have the advantages that the prefabricated cable well and concrete encapsulation can be integrated, the water proofing requirement is met through the use of the cable sleeves, and the problem of possible differential settlement can be solved through the use of the form recess reserved in a prefabricated well.

Description

technical field [0001] The invention relates to a connection structure between a prefabricated cable well and a cast-in-place structure for cable pipes and a construction method thereof. Background technique [0002] The prefabricated inspection well has the advantages of good integrity, good durability, and increased construction speed. However, in the field of electric power / communication engineering, the connection between the prefabricated inspection well and the cast-in-place concrete encapsulation of the pipes has become the basis for construction quality control. Weak links, because the existence of such construction gaps reduces the integrity of the power and telecommunication systems, there may be cracks and water leakage between the inspection well wall and the concrete envelope due to factors such as uneven settlement and the flexibility of the cast-in-place concrete structure. Chinese patent CN202131613 discloses a lined prefabricated reinforced concrete inspecti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D29/12
Inventor 起林春吕华韩玉辉
Owner CHINA CONSTR EIGHT ENG DIV CORP LTD
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