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Rotary sectional steel casing

A steel casing, segmented technology, applied in construction, sheet pile walls, foundation structure engineering, etc., can solve the problems of little use value and large deformation of steel casing

Inactive Publication Date: 2017-06-06
重庆中材参天建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the steel casing explodes, the deformation of the additional steel casing is large, and the value of recycling is not great. Usually, it can only be used as scrap iron or discarded directly.

Method used

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  • Rotary sectional steel casing
  • Rotary sectional steel casing
  • Rotary sectional steel casing

Examples

Experimental program
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Embodiment Construction

[0017] The present invention will be described in further detail below by means of specific embodiments:

[0018] The reference signs in the drawings of the specification include: explosion-proof steel casing section 10, water inlet hole 11, arc connecting plate 12, lower annular cone 13, standard steel casing section group 20, upper standard steel casing section 21, Middle standard steel casing section 22, lower standard steel casing section 23, arc seat 24, elastic plate 25, upper annular cone 26, steel ball 27, guide groove 28.

[0019] The embodiment is basically as figure 1 : Rotating segmented steel casing, from top to bottom: explosion-proof steel casing section 10 and standard steel casing section group 20, of which standard steel casing section group 20, from top to bottom is the upper standard welded to each other Steel casing section 21, medium standard steel casing section 22 and lower standard steel casing section 23, and lower standard steel casing section 23 is...

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PUM

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Abstract

The invention belongs to the field of river water isolation protective device for construction of underwater bored pile in bridge construction, and specifically discloses a rotary sectional steel casing comprising a standard steel casing section group comprising an upper standard steel casing section, a middle standard steel casing section and a lower standard steel casing section which are connected in turn, wherein the upper end of the upper standard steel casing section is provided with an explosion-proof steel casing section removably connected to the upper end, and the outer wall of the lower part of the explosion-proof steel casing section is provided with a cambered connecting plate; the outer wall of the upper part of the upper standard steel casing section is provided with a cambered base provided with a cambered groove matched with the cambered connecting plate, and the explosion-proof steel casing section is provided with a water inlet; the inner wall of the upper standard steel casing section is provided with an elastic plate used for shielding the water inlet. The steel casing recycled through the scheme can be reused.

Description

technical field [0001] The invention relates to the field of river water isolation protective gear for underwater bored pile construction in bridge construction, in particular to a rotating segmented steel casing. Background technique [0002] During the construction of bridge foundations, when constructing bridge bored pile foundations in water, steel casings are required. During the construction process, as the steel casing sank in the river water, the water pressure on the steel casing gradually increased. During the construction process, if there are special conditions such as soil caves, karst caves, rock cracks or underground rivers in the geological layer, the steel casing will leak slurry. increase, and a barrel explosion event occurs. After the steel casing bursts, the deformation of the additional steel casing is relatively large, and the recovered use value is not great. Usually, it can only be used as scrap iron or directly discarded. Contents of the inventio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/66
CPCE02D5/66E02D2250/0061
Inventor 徐健
Owner 重庆中材参天建材有限公司
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