Caisson with pile holes and mounting method of caisson

An installation method and caisson technology, applied in caisson, construction, infrastructure engineering and other directions, can solve the problems of high cost, difficult construction, long construction period, etc., and achieve the effect of reducing cost, reducing construction difficulty and shortening construction period

Inactive Publication Date: 2019-06-18
王静波
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The huge size of the caisson and the piling process have caused the above-mentioned port wharf construction project to cost hundreds of millions of dollars, and the construction is difficult and the construction period is very long

Method used

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  • Caisson with pile holes and mounting method of caisson
  • Caisson with pile holes and mounting method of caisson
  • Caisson with pile holes and mounting method of caisson

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The installation method of the caisson with pile hole of the present invention, comprises the following steps:

[0027] Step one, leveling the foundation bed of the seated caisson.

[0028] Whether it is installed in a hard foundation area with sufficient bearing capacity or in a soft ground area with low bearing capacity, the installation place needs to be leveled, which is basically the same as the leveling of the traditional caisson bed , which will not be described in detail here. When placing a caisson with pile holes in a soft foundation area, it is necessary to dig out the silt layer to reach the secondary bearing layer or compact it so that it has a certain bearing capacity.

[0029] Step 2: After prefabricating the caisson with pile holes of the present invention, it is transported to the placement site, and is seated on the leveled foundation bed of Step 1.

[0030] When prefabricating a caisson with pile holes, it is necessary to reserve a designed number o...

Embodiment 2

[0037] Step 1: Level the foundation bed on which the caisson is placed, and its flatness is less than 20cm. No matter in the area of ​​hard foundation with sufficient bearing capacity or the area of ​​soft foundation with low bearing capacity, it is necessary to level the foundation bed and ensure that the bearing capacity of the foundation is greater than the pressure of the caisson. For example, the bearing capacity of the foundation is 280kPa, and the caisson If the pressure is 220kPa, it meets the placement requirements. This is basically the same as the traditional caisson placement method, so too many explanations will not be given.

[0038] Step 2. Prefabricate a 200,000-ton A-type caisson with pile holes according to the current standard specification. The length × width × height of the caisson body is 17.7m×16.4m×23.3m, the weight is 2835t, and the caisson is stable in floating The draft is 14.0m, the inclination height is 22cm, and one pile hole is reserved on each ...

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PUM

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Abstract

The invention discloses a caisson with pile holes, and relates to a caisson with pile holes and a mounting method of the caisson. The caisson comprises a caisson body, the caisson body comprises a peripheral wall, an inner wall and compartments partitioned by the inner wall, and the caisson is characterized in that the vertical pile holes are reserved in the peripheral wall and the inner wall of the caisson body, and the pile holes penetrate through the peripheral wall and the inner wall of the caisson body; connecting holes are reserved in the inner walls of the pile holes in the caisson body; and steel piles are arranged in the pile holes, and the steel piles in the different pile holes are connected in the mode that steel beams penetrate through the connecting holes. The caisson has thepositive effects that construction is convenient, the cost is saved, the construction period is shortened, and safety and reliability are achieved.

Description

technical field [0001] The invention belongs to a hydraulic construction component caisson, in particular to a caisson with pile holes and an installation method thereof. Background technique [0002] For underwater structures such as sea-crossing bridges and port terminals, the foundation must have sufficient bearing capacity and resist lateral impact to ensure the stability of the building. The construction of deep-water wharves that can berth large and super-large ships on the sea, whether it is a trestle type or a vertical wall type, is generally a gravity type wharf based on a caisson. The gravity generated by the weight and the friction formed by the ground make the caisson settle in the water without displacement. If the wharf is in an open sea area without breakwater protection, and the berthing ship is large, the volume of the caisson must be large enough to resist the impact of lateral surges without displacement and inclination. When building a wharf in waters w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D23/00E02D23/08E02D27/20
Inventor 王静波
Owner 王静波
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