A hexagonal prefabricated energy pile and its manufacturing method

A technology of hexagonal and energy piles, which is applied in the direction of sheet pile walls, refrigerators, refrigeration components, etc., can solve problems such as the decline of the overall bearing capacity of pile foundations, achieve high compactness, simple construction technology, and shorten the construction period.

Active Publication Date: 2015-08-19
HOHAI UNIV
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Problems solved by technology

In this way, the mutual influence between the heat transfer tube and the steel cage can be effectively solved, and technical problems such as the decrease of the overall bearing capacity of the pile foundation caused by the laying of the heat transfer tube can be avoided.

Method used

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  • A hexagonal prefabricated energy pile and its manufacturing method
  • A hexagonal prefabricated energy pile and its manufacturing method
  • A hexagonal prefabricated energy pile and its manufacturing method

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Embodiment Construction

[0027] like Figure 1-Figure 4As shown, a hexagonal prefabricated energy pile, the outer surface is hexagonal 1, the inner surface is circular 2, the reinforcement cage inside the pile body 8 is composed of solid steel bars 3, stirrups 4 and hollow steel pipes 5, heat transfer The tube 6 is arranged in the hollow steel pipe 5; two heat transfer tubes 6 are connected by a heat transfer elbow 7. The advantage of this embodiment is that the heat transfer tube 6 is pre-embedded in the hollow steel pipe 5 as the main reinforcement of the structure, and the through-U-shaped heat transfer system composed of the heat transfer tube 6 and the heat transfer elbow 7 is pre-embedded inside the prefabricated pile, and is integrated with the prefabricated pile. The production of prefabricated piles is carried out simultaneously. The embedding of the heat transfer pipe 6 and the heat transfer elbow pipe 7 does not affect the compactness of the concrete 8 of the prefabricated pile, does not r...

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Abstract

The invention discloses a hexagonal prefabricated energy pile and a manufacturing method thereof. The solid steel bar is used as the prestressed main reinforcement of the prefabricated pile, the hollow steel pipe is used as the main reinforcement of the prefabricated pile, and the heat transfer pipe is embedded in the hollow steel pipe; The bottom of the pile is connected to the heat transfer pipes by means of heat transfer elbows to form a U-shaped loop; the heat transfer pipes are arranged at sharp corners with relatively thick walls, that is, at the six corners of the hexagon. Embedding the heat transfer tube in the hollow steel pipe effectively solves the technical problems caused by the binding and embedding of the heat transfer tube and the main reinforcement, concrete density, corrosion of steel bars, and affecting the overall bearing capacity of the pile foundation; and the survival rate of the buried tube is higher , It is convenient for a large number of piles to be stacked and transported safely, the construction period is short, the underground space and the project cost are saved.

Description

technical field [0001] The invention relates to the technical field of ground source heat pump system pile buried pipes, in particular to a hexagonal prefabricated energy pile and a manufacturing method thereof. It is mainly applicable to the field of construction pile foundation and ground source heat pump technology. Background technique [0002] Ground source heat pump technology is a new technology that effectively utilizes underground renewable energy, which is of great significance to the national energy conservation and emission reduction strategy. This technology takes advantage of the relatively stable temperature characteristics of underground soil, surface water, and groundwater, and uses the earth as an energy storage body to exchange heat (transfer underground heat to the upper building in winter; store upper heat underground in summer). Air-conditioning system, which can replace traditional air-conditioning technology. Buried heat exchangers underground is th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B30/06E02D5/58E02D5/30B28B23/06F24J3/08
CPCY02E10/10
Inventor 孔纲强黄旭丁选明刘汉龙彭怀风
Owner HOHAI UNIV
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