Caisson structure and fast construction method of opencaisson

A caisson and derrick technology, which is applied in infrastructure engineering, caisson, construction, etc., can solve the problems of material and manpower waste, and achieve the effect of fast sinking, reducing on-site construction interference, and fast prefabrication and hoisting.

Inactive Publication Date: 2003-09-10
王民寿
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Great waste of material and manpower

Method used

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  • Caisson structure and fast construction method of opencaisson
  • Caisson structure and fast construction method of opencaisson
  • Caisson structure and fast construction method of opencaisson

Examples

Experimental program
Comparison scheme
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Embodiment

[0023] The derrick structure device of the fast caisson is shown in Figures 1 to 3. The device includes a caisson wall 1 and a caisson partition wall 2. The walls around the caisson constitute a well circle, and a connecting beam or a partition wall 2 is arranged inside the well circle. The upper and lower well circles constitute a number of well sections, the bottom of the lower well section is provided with a blade foot 8, the upper and lower steps are set on the connecting partition wall between the well sections, several shock absorbers 4 are installed in the steps, and high-pressure flushing main pipes 10 are pre-buried in the surrounding well walls. , branch pipe 11, nozzle 12, pre-buried cable pipe 13 at the intersection of the partition wall, cable pipe and shock controller 14 conduction, constitute the whole of the derrick structure device of fast caisson.

[0024] The exciter 4 and the partition wall 2 are connected by vertical anchor bolts 3, and the outer wall of th...

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PUM

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Abstract

The caisson structure contains caisson walls to constitute the caisson enclosure separated into several sections, and partition walls and crossbeams inside the caisson enclosure. There are edged feet in the lowest caisson section, steps on the containing partition walls between each two sections, vibrators inside the steps, built-in high pressure water pipe inside the caisson walls, branch pipes, built-in cable tubes communicated with the vibration controller, and clamping steel plates around the upper and the lower caisson enclosures and on two sides of the partitions to integrate the caisson structure. The fast construction method of open caisson includes sectional prefabrication, sectional installation and sectional stamping until reaching the designed height, and has fast construction speed and low cost.

Description

1. Technical field [0001] The invention relates to a fast caisson derrick structure device and a well-forming construction method thereof, belonging to the field of caisson engineering in soft foundation treatment. 2. Background technology [0002] In the treatment of soft foundation, caisson is a safe and reliable structure to improve the bearing capacity of foundation, prevent slope slippage, cut off seepage of foundation and resist erosion. But its biggest disadvantage is that the traditional design only relies on the self-weight of the caisson structure to overcome the frictional resistance of the foundation soil to the well wall to sink. Therefore, as the sinking depth increases, in addition to extending the exposed length of the cast-in-place well wall, the thickness of the well wall must be increased to increase the self-weight to overcome the increased frictional resistance of the well wall due to the increase of the sinking depth. If caissons are designed according...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D15/08E02D23/00
Inventor 王民寿王焰勇
Owner 王民寿
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