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Underwater pouring root type foundation with retaining wall and construction method thereof

A construction method and root-based technology, which is applied in the direction of infrastructure engineering, construction, sheet pile walls, etc., can solve the problems of difficult splicing construction at the joints of each joint, difficult control of grouting quality, and difficult transportation of prefabricated parts. It is not easy to achieve high quality The effects of control, shortening the construction period, and increasing the effective diameter

Active Publication Date: 2014-07-09
ANHUI TRANSPORTATION HLDG GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For this process, in addition to the difficulties in transporting prefabricated parts at the construction site, the large hoisting equipment, and the difficulty in sinking the prefabricated parts, there are also the following points that are difficult to control: after sinking, the whole body is easy to tilt due to the residue at the bottom; Splicing construction at joints is difficult; the grouting process is complicated, the quality of grouting is difficult to control, and the construction period is long and the cost is high

Method used

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  • Underwater pouring root type foundation with retaining wall and construction method thereof
  • Underwater pouring root type foundation with retaining wall and construction method thereof
  • Underwater pouring root type foundation with retaining wall and construction method thereof

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Embodiment Construction

[0034] see figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 and Figure 6 , the structural form of the internal mold system used to construct the underwater pouring root foundation with retaining walls in this embodiment is:

[0035] Such as figure 1 As shown, it includes a steel structure bottom section formwork 4, on the bottom section formwork 4, the prefabricated inner formwork 3 of each section is assembled section by section; the prefabricated inner formwork 3 of each section is a fully enclosed formwork that can obtain buoyancy in water Steel structure hollow buoy structure, after releasing the locking of the inner formwork, the inner formwork 3 of each segment can be recovered by floating up by buoyancy; the bottom section formwork 4 is poured in the concrete bottom cover 11 of the column hole for positioning.

[0036] Such as figure 2 and Figure 5 As shown, the prefabricated inner formwork 3 of each segment is assembled from tile templates; in the pre...

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Abstract

The invention discloses an underwater pouring root type foundation with a retaining wall and a construction method thereof. The underwater pouring root type foundation with the retaining wall is characterized in that a retaining wall layer formed by pouring underwater quick set materials is arranged between a cast-in-place reinforcing concrete tubular column and the pore-forming inner wall, the side wall of the concrete tubular column is provided with root keys in the radial direction of the tubular column, the bottom of the concrete tubular column is provided with a concrete back cover, and a top cover is arranged on the top of the concrete tubular column in a pouring mode so that the underwater pouring root type foundation with the retaining wall can be formed. The underwater pouring root type foundation can be effectively applied to civil engineering, bridge buildings and water conservancy project structures, and the construction efficiency is improved.

Description

technical field [0001] The invention relates to a foundation cast-in-place construction method in civil engineering, bridge house construction and hydraulic structures. Background technique [0002] The existing caisson and immersed tube foundation construction adopts the method of segmental prefabricated components, then relying on self-weight or auxiliary measures to connect heights and subsidence, and then carry out grouting treatment. For this process, in addition to the difficulties in transporting prefabricated parts at the construction site, the large hoisting equipment, and the difficulty in sinking the prefabricated parts, there are also the following points that are difficult to control: after sinking, the whole body is easy to tilt due to the residue at the bottom; The splicing construction at joint joints is difficult; the grouting process is complicated, the quality of grouting is difficult to control, and the construction period is long and the cost is high. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/40E02D5/48E02D5/66
Inventor 殷永高孙敦华章征朱福春赵先民向文凤朱瑞允李东旭王凯王重阳
Owner ANHUI TRANSPORTATION HLDG GRP CO LTD
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