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Piling device and method for construction of underwater reinforced concrete precast slab pile

A technology of reinforced concrete and piling equipment, applied in the direction of sheet pile walls, foundation structure engineering, construction, etc., can solve the problems of high technical difficulty, high construction difficulty, high cost, etc., reduce construction cost and construction time, facilitate alignment, reduce The effect of small installation gaps

Active Publication Date: 2019-08-16
游军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, in the process of design and construction, the construction method of filling the cofferdam to remove the accumulated water in the foundation pit and creating dry land construction conditions is usually used. The construction is difficult, the construction period is long, and the cost is high.
Especially for areas with deeper water levels, the technical difficulty is higher, the construction period is longer, and the cost is higher

Method used

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  • Piling device and method for construction of underwater reinforced concrete precast slab pile
  • Piling device and method for construction of underwater reinforced concrete precast slab pile
  • Piling device and method for construction of underwater reinforced concrete precast slab pile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Such as figure 1 As shown, this embodiment introduces a piling equipment for underwater reinforced concrete prefabricated sheet piles, which is used to insert the sheet piles 4 into the river bottom after being hoisted on water. The piling equipment includes a hull 1, a pile driver 2 and a positioning device, the hull 1 floats above the water surface, the pile driver 2 and the positioning device are fixed above the hull 1, and the positioning device is used to fix the hull 1 relative to the river bottom to stabilize the position of the hull 1 , the piling machine 2 is used to hoist the sheet pile 4 and hammer the sheet pile 4 to the bottom of the river, so that the piling operation can be performed on the water surface, greatly reducing the construction difficulty and construction time of the underwater sheet pile construction.

[0043] Such as figure 1 As shown, the hull 1 is provided with a square relief groove 11, and one or both ends of the relief groove 11 are pre...

Embodiment 2

[0063] The present invention introduces a piling method for underwater reinforced concrete prefabricated piles, which adopts the piling equipment introduced in Embodiment 1, and specifically includes the following steps.

[0064] S1. Locate the position of the hull 1, and after the hull 1 is stopped, ensure that the inserted sheet pile 4 is located in the relief groove 11, and the middle part of the sheet pile 4 is provided with a pile hole 41. General positioning adopts GPRS positioning, and the result is more accurate, but other positioning methods are also applicable, and it is guaranteed that the sheet pile 4 inserted after the hull 1 has stopped is positioned in the relief groove 11 and gets final product.

[0065] S2. Fix the hull 1 relative to the river bottom. The fixed form here can be one or more of the mobile positioning mechanism 31, the tensioning structure 32 and the fixed positioning mechanism 34 introduced in the first embodiment, and can also be other forms, a...

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Abstract

The invention relates to the field of construction of underwater reinforced concrete precast slab piles, in particular to a piling device and method for construction of an underwater reinforced concrete precast slab pile. The piling device comprises a hull, a piling machine and a positioning device, a square receding groove is formed in the hull, and the piling machine is fixed to the upper part of the hull and located at one end of the receding groove; and a horizontal guide rail is fixedly arranged on the hull, the guide rail is flush with the receding groove in direction, the positioning device comprises a moving positioning mechanism, the moving positioning mechanism comprises a sliding block, a guiding sleeve, a moving positioning pile and a fastening structure, the sliding block is slidably connected with the guide rail, the fastening structure is used for maintaining the relative position between the sliding block and the guide rail, the guiding sleeve is fixedly connected withthe sliding block, and the moving positioning pile is vertically and slidably connected with the guiding sleeve. The hull is fixed relative to the river bottom through the moving positioning pile andother fixing structures, then the slab pile is hoisted and driven into the river bottom through the piling machine, the purpose of overwater piling is realized, the construction cost is greatly lowered, and the construction time is shortened greatly.

Description

technical field [0001] The invention relates to the construction field of underwater sheet piles, in particular to piling equipment and a piling method for underwater reinforced concrete prefabricated sheet pile construction. Background technique [0002] Reinforced prefabricated sheet piles and square piles are often used as pile foundation projects in foundation engineering, and are often used in various types of water conservancy projects and rivers and lakes in structural projects such as bank revetments, flood control walls, river bank landscape reconstruction, tower foundations, etc., to play a load-bearing role. Superstructure and anti-scouring functions. In the process of revetment or land construction, the pile driver is directly fixed on the ground, with a hard foundation as a support to ensure the stability of the pile driver, thereby ensuring the verticality and stability of the prefabricated sheet pile driven by the pile driver. [0003] Prefabricated sheet pil...

Claims

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Application Information

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IPC IPC(8): E02D7/10
CPCE02D7/10
Inventor 游昊东游军刘洋春
Owner 游军
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