CN108343053A - Manually digging hole pile enlarged foot dado structure - Google Patents

Manually digging hole pile enlarged foot dado structure Download PDF

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Publication number
CN108343053A
CN108343053A CN201710047712.2A CN201710047712A CN108343053A CN 108343053 A CN108343053 A CN 108343053A CN 201710047712 A CN201710047712 A CN 201710047712A CN 108343053 A CN108343053 A CN 108343053A
Authority
CN
China
Prior art keywords
hole wall
enlarged footing
enlarged
steel floral
floral tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710047712.2A
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Chinese (zh)
Inventor
屈正
李强
李芳�
李勇
孙剑
于志华
于元峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING AIDI GEOLOGICAL PROSPECTING FOUNDATION ENGINEERING Co Ltd
Original Assignee
BEIJING AIDI GEOLOGICAL PROSPECTING FOUNDATION ENGINEERING Co Ltd
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Filing date
Publication date
Application filed by BEIJING AIDI GEOLOGICAL PROSPECTING FOUNDATION ENGINEERING Co Ltd filed Critical BEIJING AIDI GEOLOGICAL PROSPECTING FOUNDATION ENGINEERING Co Ltd
Priority to CN201710047712.2A priority Critical patent/CN108343053A/en
Publication of CN108343053A publication Critical patent/CN108343053A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • E02D5/38Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
    • E02D5/44Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with enlarged footing or enlargements at the bottom of the pile
    • 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
    • E02D5/66Mould-pipes or other moulds
    • E02D5/68Mould-pipes or other moulds for making bulkheads or elements thereof

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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)
  • Bulkheads Adapted To Foundation Construction (AREA)

Abstract

A kind of manually digging hole pile enlarged foot dado structure is disclosed in the present invention, at hole wall applied to the enlarged footing of artificial digging pile, including oblique several steel floral tubes being inserted into the hole wall of the enlarged footing from top to bottom on vertical direction, the expanded metal lath that is fixedly welded on the part for the hole wall that the steel floral tube stretches out enlarged footing and fixed reinforced mesh is bonded with expanded metal lath, the expanded metal lath fits in the hole wall of enlarged footing, it adds the form of reinforcing bar reinforcing rib by injecting grout through steel perforated pipe, substitute existing man-made digging pile mould-pipe mode, it is shortened the construction period with saving the time of template construct, it is easy to operate, and reach almost the same retaining wall effect.

Description

Manually digging hole pile enlarged foot dado structure
Technical field
The present invention relates to hypogee construction field, more particularly to a kind of manually digging hole pile enlarged foot dado structure.
Background technology
Artificial digging pile refers to using artificial shoveling, cast-in-place reinforced concrete pile.The general diameter of artificial digging pile It is larger, it is minimum also in 800 ㎜ or more, the larger main structure body of base pressure can be carried.Artificial digging pile is because with construction Simple for process, convenient and quick construction is not required to heavy mechanical equipment, more while can be widely used the advantages that construct.
The general work progress of artificial digging pile is:Some preparations such as place leveling, unwrapping wire, fixed pile are first carried out, Then start downward borehole until the required depth of engineering.It should be noted that cleaning stake holes peripheral wall and check stake holes during borehole Diameter and verticality, and support dado template is configured with excavation, between template and the hole wall of stake holes in region Reinforced mesh and casting concrete are set, to form the dado structure of armored concrete.
However, for the enlarged footing of artificial digging pile, since its size is larger, shape is also general irregular, foundation is needed The expansion head shapes field fabrication template and assembly that practice of construction is encountered are welded and fixed, and the template that this process uses is without certain Specification and size, need to make, construction period is longer.
Invention content
The purpose of the present invention is to provide a kind of manually digging hole pile enlarged foot dado structures, add steel by injecting grout through steel perforated pipe The form of muscle reinforcing rib substitutes existing man-made digging pile mould-pipe mode, is shortened the construction period, is grasped with saving the time of template construct Make simplicity, and reaches almost the same retaining wall effect.
The present invention above-mentioned purpose technical scheme is that:A kind of manually digging hole pile enlarged foot retaining wall Structure is applied at the hole wall of the enlarged footing of artificial digging pile, including the oblique insertion expansion from top to bottom on vertical direction Several steel floral tubes in the hole wall of head, the expanded metal lath being fixedly welded on the part for the hole wall that the steel floral tube stretches out enlarged footing with And fixed reinforced mesh is bonded with expanded metal lath, the expanded metal lath fits in the hole wall of enlarged footing.
By using above-mentioned technical proposal, steel floral tube is squeezed on the hole wall at enlarged footing, is then injected into steel floral tube Cement mortar waits for that cement mortar is combined with surrounding soil and solidifies to form floral tube soil nailing, and being played to the soil body of the hole wall of enlarged footing can The supporting role leaned on;In conjunction with the soil-baffling structure to be formed that is welded and fixed of expanded metal lath and steel floral tube, existing whitewashing retaining wall knot is substituted Structure, construction is simple, earth-retaining are reliable;And the fixation of reinforced mesh and expanded metal lath, the booster action of degree of playing expanded metal lath.
Optionally, a kind of manually digging hole pile enlarged foot dado structure is applied at the hole wall of the enlarged footing of artificial digging pile, Including on vertical direction from bottom to top the oblique steel floral tube being inserted into the hole wall of the enlarged footing, be fixedly welded on the steel floral tube The expanded metal lath that stretches out on the part of the hole wall of enlarged footing and be bonded fixed reinforced mesh with expanded metal lath, the expanded metal lath is bonded In the hole wall of enlarged footing.
By using above-mentioned technical proposal, compared with a upper scheme, by the insertion enlarged footing of steel floral tube from bottom to top Hole wall needs the form for coordinating high-pressure slip-casting then in slip casting, the possibility of the hole wall of enlarged footing collapse direction be from top to bottom, And steel floral tube is made into form of lifting from bottom to top, thought is similar to pre-grouting, can effectively prevent the hole wall soil body Stay.
Preferably, the spacing between the adjacent steel floral tube vertically is 0.5 meter.
By using above-mentioned technical proposal, 0.5 meter or so of steel floral tube interval can be while ensureing retaining wall intensity, no Too many steel floral tube is consumed, with the economy of lifting construction.
Preferably, be provided with several cranses for fitting in hole wall in the hole wall of enlarged footing at different height, the cranse with A circle spray of molten steel tube end at the height is welded and fixed.
By using above-mentioned technical proposal, cranse is adjacent to hole wall, is equivalent to from the hole wall of enlarged footing to the surrounding soil body Expanded metal lath and reinforced mesh are pushed, also, cranse connects the steel floral tube at all sustained heights, can promote the branch of retaining wall Protect effect.
Preferably, the one end for the hole wall for being firstly inserted into enlarged footing on the steel floral tube is provided with tip.
By using above-mentioned technical proposal, the setting at tip is conducive to the process that hammers of steel floral tube, especially in excavated by manual work At the enlarged footing of hole stake, construction space is limited, and tip is made in one end of steel floral tube, can reduce the power of hammering steel floral tube, from And save large-scale hammering equipment.
Preferably, the stop grouting plug of sealing orifice is provided at the nozzle of the steel floral tube.
By using above-mentioned technical proposal, after high-pressure slip-casting, the solidification of cement mortar needs a period of time, this period domestic demand It prevents cement mortar from flowing out, the nozzle of steel floral tube is blocked by stop grouting plug, prevent the cement mortar of indentation from flowing out the spray of molten steel before solidification Pipe.
In conclusion the invention has the advantages that:Steel floral tube is squeezed on the hole wall at enlarged footing, then to steel Cement mortar is injected in floral tube, waits for that cement mortar is combined with surrounding soil and solidifies to form floral tube soil nailing, to the hole wall of enlarged footing The soil body plays reliable supporting role;In conjunction with the soil-baffling structure to be formed that is welded and fixed of expanded metal lath and steel floral tube, substitute existing Whitewashing dado structure, construction is simple, earth-retaining are reliable;And the fixation of reinforced mesh and expanded metal lath, the reinforcement of degree of playing expanded metal lath are made With.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment 1;
Fig. 2 is the portions the A enlarged drawing of the Fig. 1 done for display reinforced mesh and steel plate web frame;
Fig. 3 is to clearly show that cranse installation position and the position relationship of itself and steel floral tube did removes expanded metal lath and reinforcing bar The topology view of mesh sheet;
Fig. 4 is the structural schematic diagram of embodiment 2;
Fig. 5 is the portions the B enlarged drawing of the Fig. 4 done for display stop grouting plug installation position.
In figure, 1, pile body hole;2, enlarged footing;3, steel floral tube;30, tip;31, stop grouting plug;4, cranse;5, expanded metal lath;6、 Reinforced mesh.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1
A kind of manually digging hole pile enlarged foot dado structure is applied on the enlarged footing 2 of 1 lower end of pile body hole of artificial digging pile, stake The retaining wall of body opening 1 is carried out in the form of steel form.
Oblique on the hole wall of enlarged footing 2 to be arranged with several steel floral tubes 3, spacing is 0.5 between neighbouring steel floral tube 3 Rice between adjacent steel floral tube 3 along the distance of the hole wall of enlarged footing 2 is also 0.5 meter on sustained height, and steel floral tube 3 squeezes into expansion The depth of first 2 hole wall is at 0.7 to 1 meter.
For the ease of the process of squeezing into of steel floral tube 3, the end set of steel floral tube 3 has tip 30, when squeezing into steel floral tube 3, answer When tip 30 to be initially positioned on the hole wall of enlarged footing 2, it is then rammed into hole wall obliquely to predetermined depth.
Neat slurry is injected in the steel floral tube 3 squeezed into, cement mortar is after entering steel floral tube 3 along plum blossom hole and point thereon The gap at end 30 flows into hole wall, to be reinforced to it.
It is welded with one layer of expanded metal lath 5 close to one end of the hole wall of enlarged footing 2 on steel floral tube 3, expanded metal lath 5 should cover The hole wall of enlarged footing 2, to realize the effect of earth-retaining;The outside of expanded metal lath 5 binds or is welded with reinforced mesh 6, reinforcing bar Mesh sheet 6 is welded the mesh sheet structure for forming 150*150 by several a diameter of 6.5 millimeters of reinforcing bar transverse and longitudinals.
Longitudinal extension in enlarged footing 2 along artificial digging pile is provided with several cranses 4, and cranse 4 is a diameter of by two sections 22 millimeters of reinforcing bar muscle of putting more energy into welds to be formed, and cranse 4 is welded and fixed to the end of the steel floral tube 3 of respective heights, cranse 4 with post The hole wall of the enlarged footing of reinforced mesh 6 contradicts, to play the effect for reinforcing retaining wall intensity.
Embodiment 2
A kind of manually digging hole pile enlarged foot dado structure, with embodiment 1 difference lies in:Steel floral tube 3 is inserted into obliquely, is made The tube body of steel floral tube 3 is obliquely.At this point, when injection cement mortar into steel floral tube 3, need to use high-pressure slip-casting mode, i.e.,:Profit High pressure water mud is injected into steel floral tube 3 with grouting pump, accordingly, plugging structure is set, in high pressure injection at the nozzle of steel floral tube 3 The nozzle of steel floral tube 3 is reliably blocked after slurry, prevents cement mortar from flowing out.
Plugging structure 3 includes:Sealing stoppers the stop grouting plug 31 in the nozzle of steel floral tube 3, covers the steel floral tube 3 of stop grouting plug 31 One layer of waterproof membrane of nozzle outer cladding, the edge of film is tightened by band or steel wire to the outer wall of steel floral tube 3, to prevent water The pressure of mud releases stop grouting plug 31.
Embodiment 3
A kind of manually digging hole pile enlarged foot dado structure construction method:
A diameter of 48 millimeters, the steel floral tube 3 that plum blossom hole aperture is 3.5 millimeters oblique are squeezed into enlarged footing by step 1 using pipe rammer On 2 hole wall, the spacing of adjacent steel floral tube 3 is 0.5 meter;
Step 2 injects cement mortar into steel floral tube 3, at this point, when the nozzle of steel floral tube 3 obliquely when, using high-pressure slip-casting side Method, and add stop grouting plug 31 in nozzle,;When the nozzle of steel floral tube 3 obliquely when, general common pressure grouting can be realized;
Step 3 is sticked expanded metal lath 5 on the hole wall of enlarged footing 2, also, expanded metal lath 5 and steel floral tube 3 are welded and fixed;
Step 4 weaves the reinforced mesh 6 of 150*150 with a diameter of 6.5 millimeters of reinforcing bar, and by it to bind or weld Form is fixed with expanded metal lath 5;
Step 5 goes the reinforcing bar reinforcing rib of two 22 millimeters of diameters to be bent to the hole wall for fitting in enlarged footing 2 and forms cranse 4, along vertical To multiple cranses 4 are arranged, the height of each cranse 4 corresponds to the height setting of each steel floral tube 3, to be welded to the two It is fixed.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this It is all protected by Patent Law in the right of invention.

Claims (6)

1. a kind of manually digging hole pile enlarged foot dado structure is applied to the enlarged footing of artificial digging pile(2)Hole wall at, feature It is:It is inserted into the enlarged footing including oblique from top to bottom on vertical direction(2)Hole wall in several steel floral tubes(3), welding it is solid Due to the steel floral tube(3)Stretch out enlarged footing(2)Hole wall part on expanded metal lath(5)And and expanded metal lath(5)Fitting is solid Fixed reinforced mesh(6), the expanded metal lath(5)Fit in enlarged footing(2)Hole wall.
2. a kind of manually digging hole pile enlarged foot dado structure is applied to the enlarged footing of artificial digging pile(2)Hole wall at, feature It is:It is inserted into the enlarged footing including oblique from bottom to top on vertical direction(2)Hole wall in steel floral tube(3), be fixedly welded on The steel floral tube(3)Stretch out enlarged footing(2)Hole wall part on expanded metal lath(5)And and expanded metal lath(5)It is bonded fixed Reinforced mesh(6), the expanded metal lath(5)Fit in enlarged footing(2)Hole wall.
3. manually digging hole pile enlarged foot dado structure according to claim 1 or 2, it is characterized in that:The adjacent steel floral tube (3)Between spacing vertically be 0.5 meter.
4. manually digging hole pile enlarged foot dado structure according to claim 1 or 2, it is characterized in that:Enlarged footing(2)Hole wall Several cranses for fitting in hole wall are provided at interior different height(4), the cranse(4)With the circle spray of molten steel at the height Pipe(3)End is welded and fixed.
5. manually digging hole pile enlarged foot dado structure according to claim 1 or 2, it is characterized in that:The steel floral tube(3)On It is firstly inserted into enlarged footing(2)One end of hole wall be provided with tip(30).
6. manually digging hole pile enlarged foot dado structure according to claim 2, it is characterized in that:The steel floral tube(3)Pipe The stop grouting plug of sealing orifice is provided at mouthful(31).
CN201710047712.2A 2017-01-22 2017-01-22 Manually digging hole pile enlarged foot dado structure Pending CN108343053A (en)

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Application Number Priority Date Filing Date Title
CN201710047712.2A CN108343053A (en) 2017-01-22 2017-01-22 Manually digging hole pile enlarged foot dado structure

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Application Number Priority Date Filing Date Title
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CN108343053A true CN108343053A (en) 2018-07-31

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110318396A (en) * 2019-06-22 2019-10-11 陈伟光 A kind of prestressed steel pipe of concrete guard wall
CN110318391A (en) * 2019-06-22 2019-10-11 陈伟光 A kind of steel pipe concrete pipe pile
CN110409525A (en) * 2019-07-31 2019-11-05 大成科创基础建设股份有限公司 Weak soil and unfavorable geology composite foundation reinforcing method
CN113585230A (en) * 2021-07-07 2021-11-02 华济建设工程集团有限公司 Deep foundation treatment method and foundation reinforcement equipment formed by method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1193161A (en) * 1997-09-19 1999-04-06 Yoshio Ko C-shaped pile and its driving method
CN103967025A (en) * 2013-01-25 2014-08-06 深圳市勘察测绘院有限公司 Manually excavated hole broadening method and manually excavated hole broadening stabilization structure
CN204825881U (en) * 2015-05-28 2015-12-02 中国十七冶集团有限公司 A deep steel sheet net dado section of thick bamboo suitable for soft soil area bored concrete pile of driling
CN206635750U (en) * 2017-01-22 2017-11-14 北京爱地地质勘察基础工程公司 Manually digging hole pile enlarged foot dado structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1193161A (en) * 1997-09-19 1999-04-06 Yoshio Ko C-shaped pile and its driving method
CN103967025A (en) * 2013-01-25 2014-08-06 深圳市勘察测绘院有限公司 Manually excavated hole broadening method and manually excavated hole broadening stabilization structure
CN204825881U (en) * 2015-05-28 2015-12-02 中国十七冶集团有限公司 A deep steel sheet net dado section of thick bamboo suitable for soft soil area bored concrete pile of driling
CN206635750U (en) * 2017-01-22 2017-11-14 北京爱地地质勘察基础工程公司 Manually digging hole pile enlarged foot dado structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110318396A (en) * 2019-06-22 2019-10-11 陈伟光 A kind of prestressed steel pipe of concrete guard wall
CN110318391A (en) * 2019-06-22 2019-10-11 陈伟光 A kind of steel pipe concrete pipe pile
CN110318396B (en) * 2019-06-22 2021-05-28 中山市建工建设工程有限公司 Prestressed steel pipe pile of concrete dado
CN110409525A (en) * 2019-07-31 2019-11-05 大成科创基础建设股份有限公司 Weak soil and unfavorable geology composite foundation reinforcing method
CN110409525B (en) * 2019-07-31 2021-07-02 大成科创基础建设股份有限公司 Soft soil and unfavorable geology composite foundation reinforcing method
CN113585230A (en) * 2021-07-07 2021-11-02 华济建设工程集团有限公司 Deep foundation treatment method and foundation reinforcement equipment formed by method

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