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Deep water steel casing matching device and method

A steel casing and deep-water steel technology, which is applied in construction, sheet pile walls, and foundation structure engineering, can solve problems such as high construction costs and large safety hazards, and achieve the effects of simple structure, saving production costs, and convenient installation

Active Publication Date: 2018-06-29
CHINA GEZHOUBA GROUP NO 5 ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method usually needs to organize large-scale lifting equipment and floating equipment, and the construction cost is relatively high, especially for the construction of the casing located in the lake area, the large-scale lifting equipment cannot enter the construction site, and it is necessary to process the barge and assemble the lifting equipment on the water. Big security risk
[0003] Chinese patent document CN0818225A records a method and its facilities for foundation construction in deep-water rapids, that is, a scheme in which a plurality of barges are connected as a whole floating body is adopted, and the construction cost is relatively high

Method used

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  • Deep water steel casing matching device and method
  • Deep water steel casing matching device and method
  • Deep water steel casing matching device and method

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Experimental program
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Effect test

Embodiment 1

[0034] Such as figure 1 , 2 Among them, a deep-water steel casing matching device, the assembled submerged barge 2 has a multi-layer structure, and in a preferred solution, the assembled submerged barge 2 is fixed on the water surface of the construction area by a plurality of anchor cables 1 . There is at least a ballast area 21 in the lower layer, and at least one layer of empty warehouse area 22 is provided above the ballast area 21, and drainage and water inlet devices are provided in the ballast area 21; in a preferred solution, the drainage and water inlet The device includes a drainage pump, which realizes water intake and drainage through the switching of pipelines and valves. Or adopt the structure of drain pump and water inlet valve. In this example, the ballast area 21 is used to control the height of the entire assembled submerged barge 2 , while the empty compartment area 22 is used to provide the main buoyancy of the assembled submerged barge 2 .

[0035] Such...

Embodiment 2

[0041] Such as Figure 1~6 Among them, a method for fitting steel casings using the above-mentioned deep-water steel casing fitting device includes the following steps:

[0042] 1. Use the anchor cable 1 to fix the combined submerged barge 2 at the construction position of the steel casing, and set the bottom section steel casing 12 from the guide area; preferably, the bottom section steel casing 12 can be combined with the submerged The barge 2 is put in place at the construction site, and can also be transported in place by the transfer barge 3.

[0043] 2. Use the transfer barge 3 to transfer the top section heightening steel casing 9 to the assembled submerged barge 2;

[0044] The steel casing is processed on the shore. When transferring the steel casing, a slide rail is provided on the shore, and the translation base 5 is located on the slide rail, and the steel casing is vertically fixed on the translation base 5 by fixing the anchor rope 4;

[0045] The slide rail on...

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Abstract

The invention provides an assembling splicing device and method of a deepwater steel casing. The assembling splicing device is characterized in that an assembling submersible barge is of a multi-layer structure, wherein the lower layer of the assembling submersible barge is at least provided with a ballasting area in which a water draining and feeding device is arranged; the assembling submersible barge is provided with a guide area through which the steel casing can pass; a supporting frame is arranged above the guide area; a hoist for translating from the side edge of the assembling submersible barge to be above the guide area is arranged on the supporting frame; a vibrating hammer is arranged on the hoist. The assembling splicing construction method comprises the following steps: arranging a bottom joint steel casing; transferring a heighted top joint steel casing to the assembling submersible barge through a transferring barge; hoisting the heighted top joint steel casing to the guide area through the hoist, and splicing and heightening on the bottom joint steel casing; and then arranging the heighted top joint steel casing to reach the design elevation through the vibrating hammer, thus achieving the deepwater steel casing assembling splicing construction. The construction method has the advantages that the mounting is convenient; the positioning is accurate; the whole device can be repeatedly used, so that the production cost can be saved; the technical problems in deepwater pile foundation steel casing construction can be overcome, and the construction progress can be increased.

Description

technical field [0001] The invention relates to the field of pile foundation construction in a reservoir area or a deep water area, in particular to a deep water steel casing matching device and method. Background technique [0002] Deepwater pile foundation construction refers to the construction conditions that require splicing steel casings. The large-diameter steel casing used in deepwater pile foundation construction has the characteristics of overlength and overweight. The positioning and installation of the steel casing should not only meet the verticality of the steel casing but also be installed to the specified depth. As an important and difficult point in deepwater pile foundation construction, the splicing and heightening of steel casings in pile foundation construction in water is usually completed by means of large floating cranes, and then the method of inserting and driving through vibratory hammer vibration loading is completed. This method usually needs to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/40E02D7/00E02D7/18
CPCE02D5/40E02D7/00E02D7/18
Inventor 符强吕芝林孙向楠骆大新刘嫦黎新春王浩
Owner CHINA GEZHOUBA GROUP NO 5 ENG