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Fishbone-shaped string barrel suitable for deep foundation pit concrete warehousing pouring

A technology for concrete and deep foundation pits, applied in construction and infrastructure engineering, etc., can solve problems such as the inability to guarantee the quality of concrete construction, the difficulty of disassembling and assembling concrete pumps, and the separation of grout and aggregate, so as to save cement consumption and reduce material consumption. The effect of labor consumption and short construction period

Pending Publication Date: 2020-01-17
湖北水总水利水电建设股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, pumping concrete into the warehouse is still difficult to ensure the pouring quality of deep foundation pit concrete. During the concrete forming process, the slurry and aggregate are prone to segregation and segregation, which cannot guarantee the quality of concrete construction. Long; the disassembly and assembly of the concrete pump is difficult, there are many construction workers, and the construction cost is high

Method used

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  • Fishbone-shaped string barrel suitable for deep foundation pit concrete warehousing pouring
  • Fishbone-shaped string barrel suitable for deep foundation pit concrete warehousing pouring
  • Fishbone-shaped string barrel suitable for deep foundation pit concrete warehousing pouring

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Effect test

Embodiment 1

[0035] Such as Figure 1-5 As shown, the present invention provides a fishbone skewer suitable for deep foundation pit concrete pouring into the warehouse, which mainly includes: skewer 1, fishbone-shaped chute 2, fillet weld 3, upper hanger 4, lower hanger 5, set Hopper 6, rubber chute 7 and steel wire rope 8.

[0036] The string tube 1 is the main force-bearing structure and material delivery channel of the concrete in the warehouse. The string tube 1 is made of 1.2mm thick iron sheet, each section is 1m long, the overlapping section is 0.2m long, and the effective length is 0.8m. The upper diameter of the string tube 1 It is 0.4m, and the lower diameter is 0.3m.

[0037] Such as figure 2 As shown, the top of the stringer tube 1 is provided with an upper lug 4, and the lower end of the stringer tube 1 is provided with a lower lifting ear 5, and the lower end of each upper segment stringer tube 1 is sleeved on the upper end of the lower segment stringer tube 1, and The lo...

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Abstract

The invention discloses a fishbone-shaped string barrel suitable for deep foundation pit concrete warehousing pouring. The fishbone-shaped string barrel comprises multiple sections of string barrel bodies which are sequentially connected end-to-end into a whole. A plurality of groups of fishbone-shaped sliding grooves are formed in the inner wall of each section of the string barrel body in the form of spiral extending at intervals. Each fishbone-shaped sliding groove is of a streamline form space curved surface structure and extends downwards. The fishbone-shaped string barrel can comprehensively adapt to foundation pit environmental conditions such as narrow, high and steep, deep and narrow foundation pits. The fishbone-shaped string barrel is simple in structure, low in cost and rapid in construction.

Description

technical field [0001] The invention belongs to the technical fields of water conservancy and hydropower engineering, water supply engineering, etc., and more specifically relates to a fishbone string structure suitable for pouring concrete in deep foundation pits, and is especially suitable for pouring concrete into silos for foundation pits such as narrow, high and steep, and deep and narrow. Poured new structures. Background technique [0002] In water conservancy and hydropower projects, the construction site is narrow such as tunnels, hidden culverts, etc., high and steep such as pile foundations, pipe columns, etc., and deep and narrow such as vertical side walls. Due to the constraints of these boundary conditions, the method of pumping concrete into the warehouse has to be used. Completed, in this kind of large drop foundation pit, the steel bars are dense, and the pumping of concrete into the warehouse increases a lot of difficulties, which will cause concrete segre...

Claims

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Application Information

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IPC IPC(8): E02D15/02E02D15/04
CPCE02D15/02E02D15/04
Inventor 刘依松龚江红陈家安许强杨维明
Owner 湖北水总水利水电建设股份有限公司
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