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Soil foundation star-shaped arm end multi-cable anti-uplift foundation and construction method thereof

A technology of soil foundation and arm end, which is applied in the direction of foundation structure engineering, soil protection, sheet pile wall, etc., can solve the problems of unsatisfactory reinforcement effect, limited resistance, large engineering quantity, etc., and achieve the improvement of physical and mechanical properties, safety guarantee, The effect of saving investment

Pending Publication Date: 2017-10-20
HENAN UNIV OF URBAN CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The uplift-resistant foundation mainly includes large excavation foundation, excavation and bottom expansion foundation, explosive expansion pile foundation, etc. difficulty, and there are problems such as large amount of engineering, long time-consuming, high cost, great damage to the environment, but limited resistance and unsatisfactory reinforcement effect. The large deformation and the stability of the foundation become the key issues that must be solved

Method used

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  • Soil foundation star-shaped arm end multi-cable anti-uplift foundation and construction method thereof
  • Soil foundation star-shaped arm end multi-cable anti-uplift foundation and construction method thereof
  • Soil foundation star-shaped arm end multi-cable anti-uplift foundation and construction method thereof

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Embodiment Construction

[0035] like Figure 1~3 As shown, the earth foundation star-shaped arm end multi-cable uplift foundation, it includes a star-shaped member 6 embedded in the earth foundation 1 and the upper surface is higher than the ground 17, several hair anchors 4 and hair anchors 4 Matching backing plate 7 and anchor plate 8.

[0036] The star member 6 is provided with several radially protruding outriggers 19; the outer end of each outrigger 19 is provided with an anchor hole I; the center of the backing plate 7 is provided with an anchor hole II; several hair anchors 4 The bottom ends of the anchor rods are all anchored, and the top ends pass through the anchor hole I of the star-shaped member 6 respectively, and pass through the anchor hole II of the backing plate 7 to connect with the anchor plate 8; wire 11, that is, steel wire or (and) other wires that can undergo a large deformation under the action of an explosion. The lower part of the tensile filament 11 is bundled with the wat...

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Abstract

The invention relates to a soil foundation star-shaped arm end multi-cable anti-uplift foundation. The soil foundation star-shaped arm end multi-cable anti-uplift foundation comprises a star-shaped component, a plurality of beard and hair anchor rods, base plates and anchor plates, wherein the star-shaped component is embedded into a soil foundation and the upper surface of the star-shaped component is higher than the ground; and the base plates and the anchor plates are matched with the beard and hair anchor rods. The star-shaped component is provided with a plurality of extended arms which extend out in the radial direction. The outer end of each extended arm is provided with an anchor rod hole I. The center of each base plate is provided with an anchor rod hole II. The bottom ends of the multiple beard and hair anchor rods are all anchored, and the top ends of the beard and hair anchor rods penetrate through the anchor rod holes I of the star-shaped component and the anchor rod holes II of the base plates to be connected together with the corresponding anchor plates. The beard and hair anchor rods are composed of tension thin wires. Water-resistant explosives filled with detonators are bundled on the lower portions of the corresponding tension thin wires, and the tension thin wires are evenly distributed on the peripheries of the water-resistant explosives filled with the detonators in the perimeter direction. The invention further discloses a construction method of the soil foundation star-shaped arm end multi-cable anti-uplift foundation. According to the soil foundation star-shaped arm end multi-cable anti-uplift foundation and the construction method thereof, the structure is simple, investment is reduced and waste soil is also reduced.

Description

technical field [0001] The invention relates to soil foundation reinforcement and foundation forms, in particular to a multi-cable anti-pull foundation at star-shaped arm ends of the soil foundation and a construction method thereof. Background technique [0002] At present, most of the foundations are compression foundations, that is, the foundation mainly bears the vertical load imposed by the superstructure and meets the deformation and stability requirements, typically including independent foundations, strip foundations, raft foundations, etc. The uplift-resistant foundation mainly includes large excavation foundation, excavation and bottom expansion foundation, explosive expansion pile foundation, etc. difficulty, and there are problems such as large amount of engineering, long time-consuming, high cost, great damage to the environment, but limited resistance and unsatisfactory reinforcement effect. The large deformation and the stability of the foundation become the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/12E02D5/74E02D27/14E02D27/50
CPCE02D3/12E02D5/74E02D27/14E02D27/50
Inventor 言志信
Owner HENAN UNIV OF URBAN CONSTR
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