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Supporting steel pipe device of underground added layer of existing building and installing method of supporting steel pipe device

A technology for adding underground layers and supporting steel pipes, which is used in construction, building maintenance, building construction, etc., can solve the problems of lack of forward-looking, undesigned underground parking lot, difficult parking, etc., so as to reduce the time for inserting steel pipes and reduce engineering costs. Cost, Lightweight Effect of Lifting Equipment

Active Publication Date: 2015-06-17
山东水发市政建设有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a large number of existing buildings have not designed underground parking lots due to historical reasons and lack of foresight. With the increase in the number of cars, it is difficult to park

Method used

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  • Supporting steel pipe device of underground added layer of existing building and installing method of supporting steel pipe device
  • Supporting steel pipe device of underground added layer of existing building and installing method of supporting steel pipe device
  • Supporting steel pipe device of underground added layer of existing building and installing method of supporting steel pipe device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] figure 1 , Figure 3-Figure 7 As shown, the existing supporting steel pipe device for building underground storeys includes at least two sections of steel pipes, and the two adjacent sections of steel pipes (ie, the upper section of steel pipe 3 and the lower section of steel pipe 1 ) are connected by jacket type steel pipe joints 2 and short pins 4 , the inner diameter of the jacket-type steel pipe joint 2 is greater than the outer diameters of two adjacent sections of steel pipes. The upper end of the steel pipe is provided with a first jack 6 that can be inserted into a long bolt outside the length range of the jacket-type steel pipe joint 2; The second insertion hole 5 of the short plug is inserted, and the first plug 6 and the second plug 5 are staggered by 90° on the circular section of the same steel pipe.

[0033] A method for installing a supporting steel pipe device for adding floors underground in an existing building, comprising:

[0034] (1) Drill holes ...

Embodiment 2

[0044] Such as Figure 2-Figure 5 As shown, the supporting steel pipe device for building underground storeys in existing buildings includes at least two sections of steel pipes, and the two adjacent sections of steel pipes (that is, the upper section of steel pipe 3 and the lower section of steel pipe 1 ) are connected by interpolated steel pipe joints 2 and short pins 4 connection, the outer diameter of the plug-in steel pipe joint 7 is smaller than the inner diameters of two adjacent sections of steel pipes. The upper end of the steel pipe and outside the length range of the interpolated steel pipe joint 7 are provided with a first socket 6 that can be inserted into a long bolt; The second insertion hole 5 of the short plug is inserted, and the first plug 6 and the second plug 5 are staggered by 90° on the circular section of the same steel pipe.

[0045] A method for installing a supporting steel pipe device for adding floors underground in an existing building, comprisin...

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Abstract

The invention discloses a supporting steel pipe device of an underground added layer of an existing building. The supporting steel pipe device comprises at least two steel pipes, every two adjacent steel pipes are connected with each other through a steel pipe joint and short pins, and a first plughole in which a long pin can be plugged is formed in the position, outside the range of the length of each steel pipe joint, at the upper end of each steel pipe; each steel pipe joint and every two adjacent steel pipes are provided with corresponding second plugholes in which the short pins can be plugged, and the first plughole and the second plugholes in each steel pipe are arranged by being staggered by 90 degrees. Meanwhile, the invention further discloses an installing method of the supporting steel pipe device. The supporting steel pipe device guarantees that the steel pipes bear force reasonably after being connected, achieves rapid and convenient connection of the steel pipes, shortens the time for inserting the steel pipes into boreholes, and lowers the risk of borehole collapse. Meanwhile, horizontal tied rod members can be installed conveniently, and stability of the steel pipes is guaranteed. The steel pipes can be recycled, so that engineering cost is lowered. Required hoisting equipment is portable, construction is applicable to basements and other narrow and small space, and technical support is provided for the underground added layer of the existing building.

Description

technical field [0001] The invention relates to a civil construction technology, in particular to a supporting steel pipe device and an installation method for an existing building's underground layer increase. Background technique [0002] Orderly, reasonable, comprehensive and efficient development and utilization of underground space resources of existing buildings has become one of the most effective ways to expand infrastructure capacity, improve urban comprehensive disaster prevention capabilities, improve land use efficiency and save land resources. According to the requirements of urban planning, most new buildings have considered the development and utilization of underground space. However, a large number of existing buildings have not designed underground parking lots due to historical reasons and lack of forward-looking. With the increase in the number of cars, it is difficult to park. Therefore, the development of the underground space of existing buildings is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G23/02
Inventor 贾强张鑫
Owner 山东水发市政建设有限公司
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