Cable burying pipe embedded slip form construction concrete structure
A concrete structure and cable technology, which is applied in infrastructure engineering, excavation, construction, etc., can solve the problems of the cable buried pipe being blocked, the construction quality of the cable buried pipe is poor, and the cable cannot be laid. The effect of shortening the cable laying path and simplifying the cable layout
Pending Publication Date: 2018-02-02
POWERCHINA HUADONG ENG COPORATION LTD
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Problems solved by technology
[0006] Based on the above reasons, cable buried pipes are often avoided in the structure of slipform construction, or the construction quality of cable buried pipes is often poor under the existing construction technology, and a large number of cable buried pipes are blocked, and cables cannot be laid in the later stage.
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[0019] Such as figure 1 As shown, this embodiment is a slip-form construction concrete structure for pre-embedded cable buried pipes. A cable buried pipe 1 is pre-embedded in the concrete structure 3 constructed by slip-form construction, and the nozzles at both ends of the cable buried pipe 1 are located in the concrete structure. 3 and there is a certain interval D between the nozzle end and the surface of the concrete structure 3, the end surface of the nozzle is polished smooth, and the distance D between the end of the buried pipe and the surface of the concrete structure 3 is selected according to the material and diameter of the cable buried pipe 1 In order to avoid damage to the template 4 or damage to the cable buried pipe 1 during the slipform construction of the concrete structure 3, the reference values are shown in Table 1.
[0020] Table 1. Interval reference values
[0021]
[0022] In this embodiment, foam columns 2 are plugged at both ends of the cable b...
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The invention relates to a cable burying pipe embedded slip form construction concrete structure, and aims to provide the cable burying pipe embedded slip form construction concrete structure with simple structure, convenience to construct, lower cost and high reliability. The cable burying pipe embedded slip form construction concrete structure is characterized in that a cable burying pipe is embedded in the slip form construction concrete structure; a pipe orifice of the cable burying pipe is positioned in the concrete structure; a certain gap D is formed between the pipe orifice end and thesurface of the concrete structure; and a foam plug is inserted in the pipe orifice of the cable burying pipe. The cable burying pipe embedded slip form construction concrete structure is suitable forhydropower and hydraulic engineering.
Description
technical field [0001] The invention relates to a sliding form construction concrete structure for pre-embedded cable buried pipes. Suitable for hydropower and water conservancy projects. Background technique [0002] Sliding form engineering technology is a kind of construction with high degree of mechanization, fast construction speed, less site occupation, strong structural integrity, good seismic performance, safe operation guarantee, and remarkable comprehensive environmental and economic benefits in the construction of cast-in-place concrete structures in my country. technology. The most prominent feature of the sliding form technology is that the fixed formwork is canceled, and the fixed formwork is changed into a sliding movable steel formwork, and the strip structure or component is completed in one continuous construction. Slipform construction technology is widely used in the construction of vertical shafts, inclined shafts and horizontal wells of hydropower stat...
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IPC IPC(8): E02D17/08
CPCE02D17/08
Inventor 黄晓敢李胜兵危贤光万祥兵
Owner POWERCHINA HUADONG ENG COPORATION LTD