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Tubular pile structure bound by steel-cement soil bodies and construction method of the tubular pile structure

A construction method, cement-soil technology, applied in foundation structure engineering, sheet pile walls, buildings, etc., can solve the problems of poor consolidation force, poor stability, large settlement, etc., achieve good protection effect, small environmental impact, and construction The effect of simple process

Inactive Publication Date: 2014-09-24
福州市第三建筑工程公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the soil layer with groundwater activity, due to the smooth surface of the pile, the consolidation force between the pile and the soil is poor, the bearing capacity of the pile is small, the settlement of the pile is large, and the stability of the pile is poor.

Method used

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  • Tubular pile structure bound by steel-cement soil bodies and construction method of the tubular pile structure
  • Tubular pile structure bound by steel-cement soil bodies and construction method of the tubular pile structure
  • Tubular pile structure bound by steel-cement soil bodies and construction method of the tubular pile structure

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] see figure 1 with figure 2 , the steel-cement soil binding pipe pile structure of the present invention, the pipe pile structure includes prestressed pipe piles, and the outer wall of the prestressed pipe pile 1 is welded with at least two longitudinal steel structure frames 2 along the radial direction , The cement soil body 3 is poured on the longitudinal steel structure frame 2 .

[0026] The cross-section of the above-mentioned longitudinal steel structure frame 2 is "ㄇ" type.

[0027] The above-mentioned longitudinal steel structure frame 2 is distributed in sections on the outer wall of the prestressed pipe pile.

[0028] The upper and lower parts of the above-mentioned longitudinal steel structure frame 2 are provided with a triangular reinforced frame structure 5 .

[0029] The middle part of the longitudinal steel structure frame 2 is provided with a triangular reinforced frame structure 6 .

Embodiment 2

[0031] see figure 1 with image 3 , the steel-cement soil binding pipe pile structure of the present invention, the pipe pile structure includes prestressed pipe piles, and the outer wall of the prestressed pipe pile 1 is welded with at least two longitudinal steel structure frames 2 along the radial direction , The cement soil body 3 is poured on the longitudinal steel structure frame 2 .

[0032] The cross-section of the above-mentioned longitudinal steel structure frame 2 is "ㄇ" type.

[0033] The above-mentioned longitudinal steel structure frame 2 is integrally distributed on the outer wall of the prestressed pipe pile.

[0034] The upper and lower parts of the above-mentioned longitudinal steel structure frame 2 are provided with a triangular reinforced frame structure 5 .

[0035] The middle part of the longitudinal steel structure frame 2 is provided with a triangular reinforced frame structure 6 .

[0036] The construction method of above-mentioned two embodiments...

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Abstract

The invention relates to a tubular pile structure bound by steel-cement soil bodies and a construction method of the tubular pile structure. The tubular pile structure comprises a prestressed tubular pile; at least two longitudinal steel structure frames are welded on the outer wall of the prestressed tubular pile in the radial direction; and cement soil bodies are poured on the longitudinal steel structure frames. The construction method of the tubular pile structure comprises the following steps: 1, manufacturing the prestressed tubular pile, and reserving welding point embedded parts on the outer wall of the prestressed tubular pile; 2, welding the longitudinal steel structure frames on the corresponding welding point embedded parts according design requirements; 3, driving the prestressed tubular pile with the longitudinal steel structure frames into soil; and 4, adopting high-pressure slurry spraying equipment to spray cement slurry to the positions of the longitudinal steel structure frames to form the steel-cement soil bodies. The tubular pile structure has higher horizontal shearing resistance and higher vertical bearing capacity, and can effectively avoid the accident of pile fracture caused by mechanical appliances during pile driving operation and soil excavation operation.

Description

technical field [0001] The invention relates to a pipe pile structure bound by steel-cement soil and a construction method thereof. Background technique [0002] Prestressed reinforced high-strength concrete pipe piles have the advantages of factory prefabricated production, reliable quality control, simple and civilized on-site construction, short construction period, less labor and low cost. However, the current prestressed steel high-strength concrete pipe piles are produced by steel molds with smooth surfaces. In the soil layer with groundwater activity, due to the smooth surface of the pile, the consolidation force between the pile and the soil is poor, the bearing capacity of the pile is small, the settlement of the pile is large, and the stability of the pile is poor. Contents of the invention [0003] The object of the present invention is to provide a steel-cement soil bundled pipe pile structure and its construction method. The pipe pile structure has strong hor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/50E02D5/58
Inventor 肖纹篯肖斯熔肖斯昕
Owner 福州市第三建筑工程公司
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