Precise measuring equipment for pile top elevation of cast-in-situ bored pile of ultra-deep hollow pile

A technology of bored piles and measuring equipment, which is applied in the test of foundation structure, construction, foundation structure engineering, etc. It can solve problems such as the inability to meet the accuracy of pile top elevation, reduce the negative impact of construction on the environment, and protect the land Resources, the effect of speeding up the speed of breaking piles

Pending Publication Date: 2021-08-03
湖南六建久华建设有限公司 +1
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Problems solved by technology

[0003] In general, the pile top elevation is controlled manually by experience, by measuring ropes, and by the amount of poured concrete, which cannot satisfy the accuracy of pile top elevation control to a large extent.

Method used

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  • Precise measuring equipment for pile top elevation of cast-in-situ bored pile of ultra-deep hollow pile
  • Precise measuring equipment for pile top elevation of cast-in-situ bored pile of ultra-deep hollow pile
  • Precise measuring equipment for pile top elevation of cast-in-situ bored pile of ultra-deep hollow pile

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0028] Examples of the described embodiments are shown in the drawings, wherein like or similar reference numerals designate like or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0029] see Figure 1-9 , the present invention provides a technical solution: an ultra-deep empty pile bored pile top elevation precision measurement equipment, including a pouring pile mechanism 1 for pouring cement, an elastic adjustment mechanism 2 for elastic adjustment,...

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Abstract

The invention discloses precise measuring equipment for the pile top elevation of a cast-in-situ bored pile of a ultra-deep hollow pile, and relates to the technical field of ultra-deep hollow pile cast-in-situ boring. The equipment comprises a cast-in-situ pile mechanism used for pouring cements, an elastic adjusting mechanism used for adjusting elasticity, an air inflation extrusion mechanism used for air inflation for extrusion and a magnetic repulsion mechanism used for magnetic repulsion, and a steel casing is arranged in the cast-in-situ pile mechanism. According to the equipment, when concretes ascend, under the condition that stones on one side are too many, the position where the concretes support a steel plate base is uneven, and when an air bag makes contact with the uneven position of the concretes, the air bag can change the gas of the air bag according to the uneven height of the concretes. Therefore, the force for supporting the steel plate base by the concretes is uniform, and L-shaped steel bars cannot generate friction with the holes of the steel plate base.

Description

technical field [0001] The invention relates to the technical field of drilling and grouting of ultra-deep empty piles, in particular to a device for accurately measuring the elevation of the pile top of an ultra-deep empty pile. Background technique [0002] With the rapid development of our country's economy, the urban space is becoming more and more dense, especially in the coastal development cities, some large high-rise buildings stand quietly; the super-deep foundation adds considerable difficulty to the construction, and the pile foundation is under construction. In the process, it is inevitable that the difference between the elevation of the wellhead and the elevation of the pile top will be too large. [0003] In general, the pile top elevation is controlled manually by experience, by measuring ropes, and by the amount of poured concrete, which cannot satisfy the accuracy of pile top elevation control to a large extent. Contents of the invention [0004] Aiming ...

Claims

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Application Information

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IPC IPC(8): E02D33/00
CPCE02D33/00
Inventor 赵斌李卫星刘浩陈艳明聂明珠
Owner 湖南六建久华建设有限公司
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