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Maritime air float hauling and positioning sinking mounting method for soft-foundation box-cylinder type infrastructure

A technology of foundation structure and cylindrical foundation, applied in the field of foundation structure, can solve problems such as difficult control of structural deflection, difficulty in guaranteeing construction quality, complicated construction process, etc., to achieve easy control of deflection, simple construction, and comprehensive construction costs low effect

Inactive Publication Date: 2007-10-17
TIANJIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

On the one hand, this construction method requires large-scale transport ships and ship crane equipment, and the cost of using these equipment is very high; on the other hand, the construction process is complicated, the construction efficiency is low, and the construction quality is difficult to guarantee. When sinking the structure, the deflection of the structure is difficult to control, and a large amount of ballast blocks or ballast water needs to be transported back

Method used

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  • Maritime air float hauling and positioning sinking mounting method for soft-foundation box-cylinder type infrastructure
  • Maritime air float hauling and positioning sinking mounting method for soft-foundation box-cylinder type infrastructure
  • Maritime air float hauling and positioning sinking mounting method for soft-foundation box-cylinder type infrastructure

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Embodiment Construction

[0039] One embodiment of the present invention is as follows: the box-tube foundation breakwater structure shown in Figure 1 and Figure 2, wherein the four foundation cylinders of the box-tube foundation structure are all concrete with a diameter of 10.5m, a height of 8m, and a wall thickness of 0.25m Cylinder, the distance between the walls of two adjacent cylinders is 2.5m, and the adjacent two cylinders are connected by a connecting wall with a thickness of 0.5m. The height of the connecting wall is the same as that of the cylinder. The slab is 0.50m thick, and there are rib beams under it. The box-type foundation structure weighs about 1,500 tons, and the high tide level water depth at the installation site is about 5-6m.

[0040] After the box-type foundation structure is prefabricated on land, it is moved into the water using skids or submersible barges. Before the structure is launched, the inflation and exhaust valves and pipes are connected to the vent holes on the to...

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Abstract

The present invention is the marine air floatation hauling and locating and depositing installation process of case and barrel shaped foundation structure for soft soil. The construction process includes inflating the case and barrel shaped foundation structure in water for it to float and hauling to the installation site; locating in the floating state; deflating for deposition via controlling the deflation speed and amount to control the deposition speed and inclination; pumping out air from the structure and applying pressure for further deposition; pumping out water from the structure for further deposition until pumping out all water inside the structure and completing the installation. The said process needs no large hoisting and transportation apparatus, and is simple, controllable and low in cost.

Description

technical field [0001] The invention relates to a basic structure inserted into a soft soil foundation—a box-tube type foundation structure on sea air floatation, hauling, positioning and sinking installation method. The utility model relates to a building structure construction method in the field of offshore and port engineering. Background technique [0002] Aiming at the soft soil foundation in offshore and port engineering, a series of new structures based on the box-type foundation structure have emerged, such as a new type of breakwater (movable cylinder foundation breakwater structure, patent number: 022531467; movable steel-concrete box Barrel foundation vertical arc continuous wall breakwater structure, patent number: 2004200294670), enclosure and revetment (removable lightweight box foundation retaining soil, water and wave isolation structure, patent number: 012093904), subsea tunnel (box foundation subsea tunnel structure, patent num...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D23/08
Inventor 别社安齐越贺立苏永生只红茹
Owner TIANJIN UNIV
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