Ladder waveform steel plate and steel truss combined assembled envelop enclosure structure and construction method thereof

A corrugated steel plate and enclosure structure technology, which is used in foundation structure engineering, excavation, sheet pile walls, etc., can solve the problems of low rigidity of foundation pit enclosure structure, large impact on surrounding environment, and inability to be used repeatedly, and achieves high construction efficiency. , Reducing the influence of deformation, the effect of good soil and water retaining functions

Active Publication Date: 2018-07-03
SHANGHAI CONSTRUCTION GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the problems that the existing foundation pit enclosure structure has low rigidity, great impact on the surrounding environment, difficult quality control, and cannot be used repeatedly, resulting in huge waste of resources and environmental pollution

Method used

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  • Ladder waveform steel plate and steel truss combined assembled envelop enclosure structure and construction method thereof
  • Ladder waveform steel plate and steel truss combined assembled envelop enclosure structure and construction method thereof
  • Ladder waveform steel plate and steel truss combined assembled envelop enclosure structure and construction method thereof

Examples

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Effect test

Embodiment 1

[0061] Example 1: Combining Figure 1-6 and Figure 11 , Figure 12 Illustrate the assembled enclosure structure 10 of the combination of ladder corrugated steel plate and steel truss of the present invention, it is formed by continuous splicing of a plurality of enclosure structure units, as Figure 5 with Image 6 As shown, each enclosure structure unit includes two ladder corrugated steel plates 11 parallel to each other, and the two ladder corrugated steel plates 11 are respectively arranged on the pit facing surface E and the soil facing surface F of the foundation pit 1, and are connected to the two ladder corrugated steel plates Between 11 and a plurality of steel trusses 15 arranged along its height direction, the height direction of the ladder corrugated steel plate 11 is the depth direction of the foundation pit 1; A plurality of connecting rods 12 of the ladder corrugated steel plate 11 and the steel truss 15, the enclosure structure unit here refers to a section...

Embodiment 2

[0082] Embodiment two: combine Figure 1-6 and Figure 11 , Figure 12 Illustrate the construction method of the prefabricated enclosure structure of the combination of ladder corrugated steel plate and steel truss in the first embodiment of the present invention, the specific steps are as follows:

[0083] S1: Determine the appropriate enclosure structure unit model according to the design requirements, and prefabricate and process multiple enclosure structure units. Each enclosure structure unit is composed of two ladder corrugated steel plates 11, connected between the two ladder corrugated steel plates 11 and along the A plurality of steel trusses 15 arranged in the height direction, and a plurality of connecting rods 12 connected between the ladder corrugated steel plates 11 and the steel trusses 15 are fixedly connected as a whole, and the gap between the ladder corrugated steel plates 11, the steel trusses 15 and the connecting rods 12 The nodes are connected by facto...

Embodiment 3

[0091] Embodiment three: different from embodiment one, as Figure 7 to Figure 12 As shown, the enclosure structure unit includes: a trapezoidal corrugated steel plate composite member fixedly connected with connecting rods and connectors, and a steel truss composed of chords and web members. The connectors 17 have a flat C-shaped or Ω-shaped cross-section, and multiple The connecting piece 17 is set through the height direction of the ladder corrugated steel plate 11 and is fixedly connected with the connecting rod 12 and the ladder corrugated steel plate 11 to form a composite member of the ladder corrugated steel plate. A plurality of steel trusses 15 are detachably connected to the two oppositely arranged connectors In 17, the ladder corrugated steel plate composite members and steel trusses 15 can be prefabricated separately in the factory, and then transported to the construction site to adopt the prefabricated construction of "component inserting and driving", and the tr...

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Abstract

The invention discloses a ladder waveform steel plate and steel truss combined assembled envelop enclosure structure and a construction method thereof, relates to the technical field of foundation pitengineering, and solves the problems of low rigidity, high environmental influence, difficult quality control and incapability of recycling in a traditional foundation pit envelop enclosure structure. The assembled envelop enclosure structure is formed by continuously assembling multiple envelop enclosure structure units arranged along the edge lengths of a foundation pit; each envelop enclosurestructure unit comprises two ladder waveform steel plates, multiple steel trusses connected between the two ladder waveform steel plates n the height directions, and multiple connecting rods connectedbetween the ladder waveform steel plates and the steel trusses; the ends of the two adjacent ladder waveform steel plates are joined or engaged; and the steel trusses are of plane truss structures consisting of two parallel chord rods and multiple web rods connected between the two chord rods. The envelop enclosure structure units are inserted in a unit overall manner or a component insertion manner; and the adjacent envelop enclosure structure units are in joined or engaged connection to form the continuously complete assembled envelop enclosure structure capable of retaining soil and stopping water at the same time.

Description

technical field [0001] The invention relates to the technical field of foundation pit engineering, in particular to an assembled enclosure structure combined with ladder corrugated steel plates and steel trusses and a construction method thereof. Background technique [0002] The foundation pit enclosure structure is a construction temporary retaining wall structure that mainly bears the water and soil pressure generated by the excavation and unloading of the foundation pit, and transmits the water and soil pressure to the support system to stabilize the foundation pit. The foundation pit enclosure structures commonly used in engineering mainly include the following types: [0003] (1) Underground Diaphragm Wall: It has high rigidity, relatively small deformation, and high safety during foundation pit excavation, but the disadvantage is that the cost is high; and the wall needs to be maintained, and the construction period is long; in addition, mud protection is required dur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04E02D5/08
CPCE02D5/08E02D17/04
Inventor 张竹庭钟铮王新新程子聪
Owner SHANGHAI CONSTRUCTION GROUP
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