Inside-support-free ring-shaped enclosure structure and manufacturing method thereof

An enclosure structure and ring-shaped technology, which is applied in basic structure engineering, excavation, construction, etc., can solve the problems of settlement and displacement of buildings and structures, high cost of measures, and long production cycle, so as to reduce engineering costs, make structures easy, and design reasonable effect

Active Publication Date: 2013-04-17
MCC5 GROUP CORP SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The known manufacturing process of reverse flow pool often causes the settlement and displacement of surrounding buildings and structures, resulting in high cost of measures and long production period.
[0003] Therefore, there are above-mentioned inconveniences and problems in the known annular enclosure structure engineering

Method used

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  • Inside-support-free ring-shaped enclosure structure and manufacturing method thereof
  • Inside-support-free ring-shaped enclosure structure and manufacturing method thereof
  • Inside-support-free ring-shaped enclosure structure and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A ring-shaped enclosure structure without inner support

[0036] A ring-shaped enclosure structure without internal support adopts an enclosure pile and a ring beam support system without internal support, including enclosure piles and closed ring beams, and is characterized in that:

[0037] The retaining pile is a bored cast-in-place pile with a diameter of 800mm, and the depth of the pile end embedded in the weathered rock layer is not less than 500mm;

[0038] The closed ring beam is arranged in the form of an inscribed circle of the enclosure pile, including a crown beam set on the top of the enclosure pile and a waist beam set in the middle of the enclosure pile, wherein the cross-sectional area of ​​the crown beam is 1000x800mm, and the cross-sectional area of ​​the waist beam The area is 1000x700mm;

[0039] Wherein: the depth of the bored cast-in-place pile embedded in the weathered lamprophyre or marble rock layer is greater than or equal to 1000mm; the steel...

Embodiment 2

[0041] A method of manufacturing a ring-shaped enclosure structure without inner support

[0042] A method for manufacturing an annular enclosure structure without internal support, characterized in that it comprises the following steps:

[0043] a. According to the geological survey data, use the PKPM production calculation software developed by the China Academy of Building Research and the Tongji Venus deep foundation pit support structure design analysis calculation software FRWS2006 to design the foundation pit enclosure, and determine the number, length and size of the bored piles position, the elevation of the closed ring beam, and the closed ring beam is set in the form of an inscribed circle around the retaining pile;

[0044] b. The rotary drilling rig of German Bauer company is used in the production of bored piles, so that the depth of anchoring the lower end of bored piles into the weathered rock is not less than 500mm; For a crown beam, after the first soil laye...

Embodiment 3

[0047] A method for manufacturing a ring-shaped enclosure swirl pool structure without inner support

[0048] see now Figure 1 ~ Figure 3 , figure 1 It is a plan view of the foundation pit support of the swirl pool according to the embodiment of the present invention, figure 2 for figure 1 The sectional view of A-A in, image 3 for figure 1 Sectional view of B-B in middle. As shown in the figure, the

[0049] The hot-rolled swirling pool of the embodiment of the present invention adopts the following steps in actual production:

[0050] The hot-rolled swirling pool of the embodiment of the present invention is located on the south side of the main factory building, 6.4m away from the built main power room, and 2.35m away from the main factory building. m. The upper part of the area it belongs to is backfill, and the lower part is rock foundation, and the bedrock is mainly slate, lamprophyre and marble.

[0051] The field investigation data are as follows:

[0052] ...

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Abstract

An inside-support-free ring-shaped enclosure structure comprises enclosure piles and a supporting system of an inside-support-free ring-shaped beam. The inside-support-free ring-shaped enclosure structure includes the enclosure piles and a sealing ring-shaped beam and is characterized in that the enclosure piles are drilled bored piles which have diameters of 800mm and ends of the drilled bored piles are inserted into moderate weathered rock layers to a depth of at least 500 mm. The sealing ring-shaped beam is arranged in an enclosure pile inscribed circle mode. A top beam is arranged at the top of the enclosure pile and a breast beam is arranged on the middle part of the enclosure pile. The cross-sectional area of the top beam is 1000*800 mm, the cross-sectional area of the breast beam is 1000*700 mm. The inside-support-free ring-shaped enclosure structure and manufacturing method thereof have the advantages that the design of manufacturing procedures is reasonable, structure manufacturing is simple, convenient and safe, surrounding buildings basically have no sedimentation and displacement during manufacturing, the manufacturing period is shortened, the inside-support-free ring-shaped enclosure structure is manufactured by sequential method and the project cost is reduced.

Description

technical field [0001] The invention relates to an enclosure structure for an underground foundation pit of a construction project, in particular to an annular enclosure structure without internal support and a manufacturing method thereof. Background technique [0002] In the field of metallurgical construction, the swirl pool is an important part of the water treatment system. It has the characteristics of large diameter, deep embedding, difficult precipitation, large concrete volume, high cost and long production cycle. Most of the swirling pools are ultra-deep underground structures, and the foundation pit enclosure usually adopts underground diaphragm walls, and the structure adopts the reverse method of manufacturing technology. The known inverse manufacturing process of the swirl pool often causes settlement and displacement of surrounding buildings and structures, resulting in high cost of measures and long production period. [0003] Therefore there are above-menti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04
Inventor 张中胜刘埃平
Owner MCC5 GROUP CORP SHANGHAI
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