CN105821833A - Soft soil foundation solidifying and pile burying device - Google Patents

Soft soil foundation solidifying and pile burying device Download PDF

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Publication number
CN105821833A
CN105821833A CN201610350901.2A CN201610350901A CN105821833A CN 105821833 A CN105821833 A CN 105821833A CN 201610350901 A CN201610350901 A CN 201610350901A CN 105821833 A CN105821833 A CN 105821833A
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tree
shaped passage
pile
soft soil
shaped channel
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CN201610350901.2A
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CN105821833B (en
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郭文璐
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Southeast University
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Southeast University
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/34Concrete or concrete-like piles cast in position ; Apparatus for making same

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Piles And Underground Anchors (AREA)
  • Foundations (AREA)

Abstract

The invention discloses a soft soil foundation solidifying and pile burying device. The soft soil foundation solidifying and pile burying device comprises a soft soil foundation and a pile burying structure poured in the soft soil foundation; the pile burying structure is a reinforced concrete pouring pile; a configuration tree-shaped channel is arranged below the reinforced concrete pouring pile and is a multi-stage tree-shaped channel; each stage of tree-shaped channel body is composed of a main channel and at least two branch channels located at the tail end of the main channel; the branch channels of the multi-stage tree-shaped channel are distributed in a layered shape; the main channel of the next stage of tree-shaped channel body is one branch channel of the previous stage of tree-shaped channel body; an inlet of the first-stage configuration tree-shaped channel body is connected with a lower end outlet of the reinforced concrete pouring pile; and connection pipes communicating with the branch channels are arranged between any two branch channels of the last-stage tree-shaped channel body. The soft soil foundation solidifying and pile burying device has the beneficial effects that the structure is simple, operation is convenient, pile burying and fixing are integrated, and stability is high, soft soil which occupies land and is weak in bearing capacity can be used as foundation fill, and good economic benefits will be generated in civil engineering.

Description

Device is buried in soft soil foundation solidification and stake
Technical field
The present invention relates to a kind of weak soil basis curing technology, particularly relate to a kind of deposited reinforced concrete pile with configuration tree feature designed for improving resource utilization and bury structure.
Background technology
In civil engineering construction, dam body or structure foundation such as reservoir are mostly soft soil foundation, and load-carrying capacity of soft soil foundation is low, and compressibility is big, bad hydraulic permeability, are difficult to meet foundation of hydraulic structure design requirement, therefore need to process.The thicker ground of Soft Soil Layer can use bored concrete pile technology to process, and is beaten by bored concrete pile to hard stratum, as plummer.Different according to forming hole method, bored concrete pile can be divided into several classes such as driven cast-in-place pile, Slurry drilled pile and manually digging hole filling pile at present, but these several bored concrete pile technologies there is also some technical barriers, as driven cast-in-place pile easily occurs pile body integrity problem in Deep Thick Soft Ground, and soil compaction, vibration and the environmental issue such as hammer blow;The problems such as it is the highest that Slurry drilled pile then exists pile concrete pouring quality, pile bottom sediment difficulty cleaning, and manually digging hole fills stake and there is security protection and need to consider the problem such as the excavation impact that causes periphery of the following soil layer of level of ground water.
Deposited reinforced concrete pile has stronger bearing capacity, quality is guaranteed, in order to overcome above-mentioned technical barrier, therefore Optimal Structure Designing is buried in the urgent need to carrying out deposited reinforced concrete pile, it is made can effectively to reinforce mud, also can effectively utilize construction material to save space, in other words so that stake is buried the utilization rate of structure and improved to greatest extent simultaneously.The present invention utilizes the stake with the tree-shaped passage of configuration to bury structure, to improve stability and the utilization rate on weak soil basis.
Summary of the invention
The technical problem to be solved is for above-mentioned the deficiencies in the prior art, and provides the solidification of a kind of weak soil basis and device is buried in stake, and this buries structure can be greatly improved the stability on weak soil basis.
Technical scheme
The technical problem faint for solving load-carrying capacity of soft soil foundation, the technical solution used in the present invention is:
Device is buried in a kind of soft soil foundation solidification and stake, structure is buried in stake that is basic including weak soil and that be poured in weak soil basis, it is deposited reinforced concrete pile that structure is buried in described stake, it is characterized in that: be provided with the tree-shaped passage of configuration in the lower section of described deposited reinforced concrete pile, the tree-shaped passage of this configuration is multistage tree-shaped passage, every grade of tree-shaped passage is made up of main channel and at least two branched bottom being positioned at main channel end, the branched bottom of multistage tree-shaped passage is layered distribution, the branched bottom that main channel is the tree-shaped passage of upper level of the tree-shaped passage of subordinate, the entrance of the tree-shaped passage of first order configuration exports with the lower end of described deposited reinforced concrete pile and is connected, it is provided with, between any two branched bottom of the tree-shaped passage of final stage, the connecting tube connected with described branched bottom.
The main channel being positioned at lower floor's branched bottom is to have horizontal segment and the right angle channel of vertical section;The branched bottom of the tree-shaped passage of described final stage is also for have horizontal segment and the right angle channel of vertical section, and described connecting tube is connected in the vertical section of right angle channel.
Technical program of the present invention lies in: structure is buried in the stake constructing multilamellar configuration tree based on comformation theory.Tree-shaped passage described in each layer produces increasing branch by continuous bifurcated so that the area that stake is buried in device insertion weak soil is significantly increased, and effectively weak soil is carried out extruding and tamp in ground.Carry out deposited reinforced concrete pile from top to bottom when pouring, it is possible to make cement grout and weak soil be sufficiently mixed, formed after theing cement solidifies and stablize effective composite foundation.
Described tree-shaped passage, communicating pipe, deposited reinforced concrete pile etc. can select different engineering materials (such as the corrosion resistant metal such as rustless steel, steel alloy) and different concrete mixs according to working condition, mud character etc., rebar ratio.
Device is buried in weak soil basis of the present invention solidification and stake.In structure use is buried in this stake, the tree-shaped passage of configuration sinks in mud, steel reinforcement cage is embedded in bored concrete pile in advance, grouting liquid from top to bottom waters through bored concrete pile, the each channel branch of arrival is shunted rapidly and in described communicating pipe at tree-shaped feeder connection, from passage lower end, outlet is flowed out again, is sufficiently mixed with the loosest weak soil etc., forms the coalition of a high intensity.Cement grout spreads downwards, effectively increases pile anchoring length;The all of serosity in pile anchoring region joins together so that weak soil basis and cement mortar become a composite foundation, it is possible to meet the requirement for bearing capacity of structure.
Beneficial effect:
Device is buried in weak soil basis of the present invention solidification and stake, not only increases the contact area of pile anchoring structure and mud, also helps the formation of composite foundation with stable.Structure is compact to design rationally, makes full use of space, substantially increases the stability of pile anchoring structure, reaches simple operation and the purpose economized on resources.Good economic benefit will be produced in civil engineering.
Accompanying drawing explanation
Device schematic diagram is buried in the solidification of Fig. 1 weak soil basis and stake;
Fig. 2 operation principle of the present invention schematic diagram;
Fig. 3 deposited reinforced concrete pile of the present invention structural representation.
Detailed description of the invention
Structure shown in Figure of description, ratio, size etc., the most only in order to coordinate the content disclosed in description, understand for person skilled in the art and read, it is not limited to the enforceable qualifications of the present invention, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, under not affecting effect that the present invention can be generated by and the purpose that can reach, all should still fall in the range of disclosed technology contents can be contained, and it is not used to limit the enforceable scope of the present invention, being altered or modified of its relativeness, without under essence change technology contents, when being also considered as the enforceable category of the present invention.
Fig. 1 gives weak soil basis of the present invention solidification and the structural representation of device is buried in stake.A kind of deposited reinforced concrete pile structure with the tree-shaped passage of configuration, is made up of the tree-shaped passage of configuration and deposited reinforced concrete pile.Concrete structure includes: the major parts such as deposited reinforced concrete pile 1, tree-shaped passage 2, communicating pipe 3.Tree-shaped passage 2 arranges in multilayer parallel, and communicating pipe 3 is perpendicular with the final stage passage of tree-shaped passage 2, can realize tree-shaped interchannel mutual UNICOM.Welding manner can be used between node of divergence to be connected.
Fig. 2 gives the solidification of described weak soil basis and device operation principle schematic diagram is buried in stake.It can also be seen that the tree-shaped passage of configuration, the space between communicating pipe will be filled by weak soil etc., can play the squeezing action to Soft Soil Layer simultaneously.Device is buried underground when putting in place, grouting liquid is watered by bored concrete pile upper entrance 4, shunts rapidly each channel branch of arrival and in communicating pipe 3 at tree-shaped passage 2 the superiors central inlet, then from passage lower end outlet 5 outflow, with weak soil basis mixed-forming, form stable composite foundation.So it is possible not only to make full use of space, this stability burying structure can also be improved simultaneously.
Fig. 3 gives described deposited reinforced concrete pile structural representation.Before pouring, first to place in deposited reinforced concrete pile 6 steel reinforcement cage 7, it is simple that this type of bored concrete pile has construction, low cost, the advantages such as quality is good.

Claims (2)

1. device is buried in a soft soil foundation solidification and stake, structure is buried in stake that is basic including weak soil and that be poured in weak soil basis, it is deposited reinforced concrete pile that structure is buried in described stake, it is characterized in that: be provided with the tree-shaped passage of configuration in the lower section of described deposited reinforced concrete pile, the tree-shaped passage of this configuration is multistage tree-shaped passage, every grade of tree-shaped passage is made up of main channel and at least two branched bottom being positioned at main channel end, the branched bottom of multistage tree-shaped passage is layered distribution, the branched bottom that main channel is the tree-shaped passage of upper level of the tree-shaped passage of subordinate, the entrance of the tree-shaped passage of first order configuration exports with the lower end of described deposited reinforced concrete pile and is connected, it is provided with, between any two branched bottom of the tree-shaped passage of final stage, the connecting tube connected with described branched bottom.
Device is buried in soft soil foundation the most according to claim 1 solidification and stake, it is characterised in that: the main channel being positioned at lower floor's branched bottom is to have horizontal segment and the right angle channel of vertical section;The branched bottom of the tree-shaped passage of described final stage is also for have horizontal segment and the right angle channel of vertical section, and described connecting tube is connected in the vertical section of right angle channel.
CN201610350901.2A 2016-05-25 2016-05-25 Soft soil foundation solidifies and device is buried in stake Active CN105821833B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610350901.2A CN105821833B (en) 2016-05-25 2016-05-25 Soft soil foundation solidifies and device is buried in stake

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Application Number Priority Date Filing Date Title
CN201610350901.2A CN105821833B (en) 2016-05-25 2016-05-25 Soft soil foundation solidifies and device is buried in stake

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CN105821833A true CN105821833A (en) 2016-08-03
CN105821833B CN105821833B (en) 2017-10-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111562289A (en) * 2020-07-08 2020-08-21 中建四局第三建设有限公司 In-situ testing method for sludge solidification

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1641115A (en) * 2004-01-13 2005-07-20 杨正德 Fondation structure of soft soil building using grade beam with steel reinforced concrete root pile
JP2010236249A (en) * 2009-03-31 2010-10-21 Sumitomo Forestry Co Ltd Foundation structure of building on soft ground
CN104404949A (en) * 2014-10-20 2015-03-11 国家电网公司 Root-shaped filling pile
CN205776165U (en) * 2016-05-25 2016-12-07 东南大学 Device is buried in soft soil foundation solidification and stake

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1641115A (en) * 2004-01-13 2005-07-20 杨正德 Fondation structure of soft soil building using grade beam with steel reinforced concrete root pile
JP2010236249A (en) * 2009-03-31 2010-10-21 Sumitomo Forestry Co Ltd Foundation structure of building on soft ground
CN104404949A (en) * 2014-10-20 2015-03-11 国家电网公司 Root-shaped filling pile
CN205776165U (en) * 2016-05-25 2016-12-07 东南大学 Device is buried in soft soil foundation solidification and stake

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111562289A (en) * 2020-07-08 2020-08-21 中建四局第三建设有限公司 In-situ testing method for sludge solidification
CN111562289B (en) * 2020-07-08 2022-07-08 中建四局第三建设有限公司 In-situ testing method for sludge solidification

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