CN106013133A - Drilling pile with a bar-reinforced squeezed branch-plate, and construction method thereof - Google Patents
Drilling pile with a bar-reinforced squeezed branch-plate, and construction method thereof Download PDFInfo
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- CN106013133A CN106013133A CN201610505444.XA CN201610505444A CN106013133A CN 106013133 A CN106013133 A CN 106013133A CN 201610505444 A CN201610505444 A CN 201610505444A CN 106013133 A CN106013133 A CN 106013133A
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- diagonal bar
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/48—Piles varying in construction along their length, i.e. along the body between head and shoe, e.g. made of different materials along their length
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
- E02D5/44—Concrete 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/72—Pile shoes
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- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a drilling pile with a bar-reinforced squeezing branch-plate. The pile comprises a precast pile tip, a uniform-section pile body and a branch-plate body; the uniform-section pile body is composed of a longitudinal main bar and spiral bars; the precast pile tip is placed at the end of the uniform-section pile body; the branch-plate body is positioned on the outer wall of the uniform-section pile body, and comprises a branch-plate upward-oblique bar and a branch-plate downward-oblique bar which are connected up at a certain angle. The invention solves the problem of laying bars in the branch-plate body, ensures the shape and stability of a drilled hole wall and the reamed hole wall of the branch-plate body, and solves the quality problem of soil-in-concrete by an elastic membrane, because alternating the operations of pulling out the elastic membrane and pouring the pile can avoid the adverse effect of the left elastic membrane to the pile side friction force. The invention belongs to the pile foundation engineering field, can be applied to the construction of cast-in-place pile with a squeezing expansion branch-plate, also has good applicability in the soil layers where the common methods are limited such as weak soil and sand, and can achieve good technical and economical effects.
Description
Technical field
The present invention relates to a kind of boring extruding reinforcement support disk pile and construction method, belong to pile foundation engineering field, it is adaptable to the construction of expanding branch grouting pile, be particularly well-suited in soft soil foundation containing the ram machine construction under the conditions of harder sandy soils, viscous soil horizon.
Background technology
Expanding branch grouting pile is a kind of pile-type developed on the basis of multistage under-reamed pile technology, a kind of dedicated hydraulic branch squeeze equipment is used to use with existing piling machinery coordinative composition of equipments, suitable soil layer in stake holes, the squeezed formation that carries out pressurizeing " is propped up " or " dish ", simultaneously also compacted for surrounding soil compacting, part improves the physical features of foundation soil, mechanical index, undermine potentiality effectively, the end bearing surface increasing single pile is amassed, original only one of which end holds point friction pile a little change into multiple end and hold friction end-bearing pile a little, thus change the bearing mechanism of stake, pile bearing capacity is made to increase considerably.
The compacted bearing disk pile of conventional method construction is not owing to having any muscle material in extruding expanding body, in pile foundation loading process, prop up disk body and bear bigger shearing force, and the shear resistance of plain concrete is more weak, easily causes branch body concrete and destroy and make the setting of branch lose meaning, simultaneously, owing to hole wall is unstable, the particularly easy slump of chip at branch reaming wall, is mixed into when pouring in concrete, weakens the intensity of concrete further.
Therefore, for expanding branch grouting pile, it is ensured that the shape of extruding-enlarging branch tray, improve the concrete full property in branch and improve the shearing strength of a disk body, it is key technical problem to be solved by this invention.
Summary of the invention
Present invention aims to existing expanding branch grouting pile construction present in problem, provide a kind of boring extruding reinforcement support disk pile and construction method thereof, the method strengthens the shearing strength of a disk body by arranging extension branch diagonal bar in a disk body, take elastica ground chip, mud etc. to be isolated with concrete simultaneously, guarantee branch shape, improve quality of concreting and intensity.
In order to realize above-mentioned technical purpose, present invention employs techniques below scheme:
A kind of boring extruding reinforcement support disk pile, including precast pile tip, uiform section pile body and a disk body, described uiform section pile body is made up of lengthways main steel bar and tie hoop, described precast pile tip is positioned at the end of uiform section pile body, described branch body is positioned at the outer wall of uiform section pile body, and described disk body includes in branch diagonal bar under diagonal bar and branch, in described branch, under diagonal bar and branch, diagonal bar connects at an angle.
Described precast pile tip is provided with pre-buried external screw thread joint steel pipe, and described pre-buried external screw thread joint steel pipe is provided with pre-buried dowel in the relevant position of lengthways main steel bar, and described pre-buried dowel is positioned at the outside of pre-buried external screw thread joint steel pipe.
The bottom of described lengthways main steel bar is connected with pre-buried dowel by straight screw sleeve.
In described branch, diagonal bar is connected with lengthways main steel bar by sliding articulated elements, and under described branch, diagonal bar passes through articulated elements and is connected with lengthways main steel bar, and in described branch, under diagonal bar and branch, diagonal bar is connected by articulated elements.
Described sliding articulated elements and articulated elements all include that circular connector groove block and connector protruding block, described circular connector groove block and the combination formation of connector protruding block rotate freely structure.
The connector groove block surface of described sliding articulated elements is welded with sliding steel pipe.
Under described branch, the upper end of diagonal bar is connected with diagonal bar in branch by articulated elements, and under branch, the lower weld of diagonal bar is connecting on limiting card, and is connected with spring positioning link by spring.
The construction method of a kind of extruding reinforcement support disk pile of holing, comprises the following steps:
(1) boring: position, aperture arranges steel pile casting, uses mud off or dry operation pore-forming；
(2) extruding reaming: use and require squeezed formation branch reaming wall according to design at the most relatively hard soil layer of extruding-enlarging branch tray machine, and record actual branch position；
(3) precast pile tip is made: assembling reinforcement skeleton and pre-buried external screw thread joint steel pipe, pre-buried dowel, and formwork casting concrete are set and are formed；
(4) pile body steel reinforcement cage is made: according to design, lengthways main steel bar and screw thread stirrup being carried out blanking processing, then welding forms steel reinforcement cage；
(5) elastica pressing structure makes and pre-installation: elastica pressing structure is made by elastica briquetting, depression bar and top briquetting, bottom is inserted in the circular hole in the middle of elastica pressing structure with the filling concrete pipe of filling concrete shoe and projection of bearing down on one, and with the pre-buried external screw thread joint steel pipe pre-connection on precast pile tip；
(6) pile body steel reinforcement cage is connected with precast pile tip: be connected by straight screw sleeve with the pre-buried dowel on precast pile tip by steel reinforcement cage lower end lengthways main steel bar；
(7) branch diagonal bar is installed: the squeezed position of actual branch recorded according to step (2), the relevant position of lengthways main steel bar is welded mutually with the connector protruding block surface of articulated elements and sliding articulated elements, under branch, diagonal bar welds mutually with the connector groove block surface of articulated elements, in branch, diagonal bar is through the sliding steel pipe of welding on sliding articulated elements, and under branch, diagonal bar is connected by articulated elements with diagonal bar in branch；
(8) spring and tensioning fixation are installed: by ring spring positioning link penetration concrete intrusion pipe, spring one end connects spring positioning link, after other end stretch-draw be connected limiting card be connected, connect limiting card to be welded under branch on diagonal bar, and carry out spring tensioning fixation by spring constraint structure temporarily.
(9) elastica is installed: arranging one elastica outside steel reinforcement cage, elastica lower end is placed in the groove on precast pile tip, screws filling concrete pipe so that it is on projection of bearing down on one push down elastica pressing structure, and then elastica is fixed on precast pile tip；
(10) steel reinforcement cage water filling extension elastica are transferred: overall for the steel reinforcement cage made transferring in boring put in place, and injected clear water, under hydraulic pressure effect, the wall of a borehole and branch reaming wall are close in elastica extension；
(11) extension of branch diagonal bar puts in place: being pulled out by the lifting arm in spring constraint structure, spring shrinks therewith, makes under branch diagonal bar on diagonal bar and branch rotate and sliding, extends in branch body；
(12) concrete perfusion Synchronous lifting elastica: by filling concrete pipe subaqueous concreting, after filling concrete height reaches certain value, rotate filling concrete pipe to be allowed to be separated with precast pile tip, elastica bottom also departs from precast pile tip simultaneously, on pull out elastica, and alternately concrete perfusion, keep elastica 3m below concrete surface.
Spring constraint structure in described step (8) is made up of spring constraint muscle, spring constraint bar, spring constraint ring and lifting arm, in the reserving hole that described spring constraint muscle Snap joint limiting card is corresponding, described spring constraint ring snaps in the reserving hole that spring positioning link is corresponding.
The present invention holes extruding reinforcement support disk pile and the having the beneficial effect that of construction method thereof:
1, by spring, spring constraint structure, the extension of articulated mounting control branch diagonal bar, solve the problem of cloth muscle in a disk body, improve the shearing strength of a disk body；
2, elastica being fixed on precast pile tip by elastica press device, during reinforcement cage immersion, water filling ensures the wall of a borehole and the shape of branch reaming wall and stablizes, and muddy water in clearance hole；
3, precast pile tip is disengaged it from by rotation filling concrete pipe, and elastica is separated with precast pile tip along with press device and can extract after filling concrete certain altitude, avoid elastica to retain the adverse effect to pile side friction, be effectively improved bearing capacity of pile foundation.
Accompanying drawing explanation
Fig. 1 is boring extruding reinforcement support disk pile structural representation；
Fig. 2 is branch diagonal bar original state figure；
Fig. 3 is branch diagonal bar extended mode figure；
Fig. 4 is precast pile tip and elastica press device connection figure；
Fig. 5 is elastica press device top view；
Fig. 6 is that the spring under branch diagonal bar original state connects and tensioning fixation figure；
Fig. 7 is spring constraint structure chart；
Fig. 8 is the spring contraction connection figure under branch diagonal bar extended mode；
Fig. 9 is articulated elements structure chart；
Figure 10 is sliding articulated elements structure chart.
nullIn figure: 1-Crust Layer，2-Muddy Bottoms soft layer，3-hard stratum，4-precast pile tip，The pre-buried dowel of 5-，6-straight screw sleeve，7-props up disk body，8-uiform section pile body，9-steel pile casting，10-lengthways main steel bar，11-tie hoop，12-filling concrete pipe，Diagonal bar in 13-branch，Diagonal bar under 14-branch，15-spring，16-pre-buried external screw thread joint steel pipe，17-bears down on one projection，18-elastica，19-depression bar，20-filling concrete shoe，21-elastica briquetting，22-groove，23-top briquetting，24-spring positioning link，25-connects limiting card，26-sliding articulated elements，27-articulated elements，28-spring constraint muscle，29-spring constraint bar，30-connector groove block，31-connector protruding block，32-sliding steel pipe，33-the wall of a borehole，34-branch reaming wall，35-spring constraint ring，36-lifting arm.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
Embodiment of the present invention Elastic film production, steel reinforcement cage colligation, drilling and forming hole, branch are squeezed etc., and construction technical requirement repeats no more, emphasis illustrates embodiments of the present invention, being described in further detail the present invention below in conjunction with the accompanying drawings and by embodiment, this explanation is not limited to following example.
As Figure 1-10 shows, present invention extruding reinforcement support disk pile of holing includes in precast pile tip 4, uiform section pile body 8, disk body 7, lengthways main steel bar 10, tie hoop 11, branch under diagonal bar 13, branch diagonal bar 14 etc..
Boring extruding reinforcement support disk pile diameter 1000mm, long 20m, stratum be the most successively crust layer 1 thick for 3m, soft layer 2 thick for 10m, 8m thickness plastic-hard plastic shape farinose argillic horizon 3.Crust layer sets 1 disk body 7, farinose argillic horizon arranges 3 disk bodies 7, a disk body maximum gauge 2000mm, first disk body centre-to-centre spacing earth's surface 2m, rear three disk body spacing 2m.
Precast pile tip 4 diameter 1050mm, centre is provided with the pre-buried external screw thread joint steel pipe 16 of diameter 150mm, thickness 8mm, pre-buried dowel 5 uses the HRB335 spiral of Ф 22, the pre-buried degree of depth of external screw thread joint steel pipe 16 and pre-buried dowel 5 is satisfied anchors requirement accordingly, and the degree of depth of groove 22 is 50mm, width is 100mm.
Lengthways main steel bar 10 uses the HRB335 screw-thread steel of 24 Ф 22, and stirrup uses the HPB235 plain bar of Ф 12@200, and bottom is connected with pre-buried dowel 5 by straight screw sleeve 6.
Each disk body 7 uses in 12 branchs diagonal bar 14 under diagonal bar 13 and 12 branchs, branch diagonal bar is made by the HRB335 of Ф 20, the screw-thread steel of length 1200mm, it is connected by sliding articulated elements 26 and articulated elements 27 respectively with lengthways main steel bar 10, in branch, under diagonal bar 13 and branch, diagonal bar 14 is connected by articulated elements 27, the diameter 50mm of sliding articulated elements 26 and articulated elements 27, thickness 30mm, sliding steel pipe 32 diameter 28mm, the thickness 4mm of connector groove block 30 surface soldered of sliding articulated elements 26.
Under branch, diagonal bar 14 upper end is connected with diagonal bar in branch 13 by articulated elements 27, and bottom is welded on connection limiting card 25, and is connected with spring positioning link 24 by spring 15.
The present invention hole extruding reinforcement support disk pile work progress as follows:
(1) boring: position, aperture arranges steel pile casting 9, uses mud off or dry operation pore-forming；
(2) extruding reaming: use and require squeezed formation branch reaming wall 34 according to design at the most relatively hard soil layer of extruding-enlarging branch tray machine, and record actual branch position；
(3) precast pile tip 4 is made: assembling reinforcement skeleton and pre-buried external screw thread joint steel pipe 16, pre-buried dowel 5, and formwork casting concrete are set and are formed；
(4) pile body steel reinforcement cage is made: according to design, lengthways main steel bar 10 and screw thread stirrup 11 being carried out blanking processing, then welding forms steel reinforcement cage；
(5) elastica pressing structure makes and pre-installation: elastica pressing structure is made by elastica briquetting 21, depression bar 19, top briquetting 23 etc., by bottom with filling concrete shoe 20 and bear down on one protruding 17 filling concrete pipe 12 insert in the circular hole in the middle of elastica pressing structure, and with pre-buried external screw thread joint steel pipe 16 pre-connection on precast pile tip 4；
(6) pile body steel reinforcement cage is connected with precast pile tip 4: be connected by straight screw sleeve 6 with the pre-buried dowel 5 on precast pile tip 4 by steel reinforcement cage lower end lengthways main steel bar 10；
(7) branch diagonal bar is installed: according to the squeezed position of actual branch of step 2 record, the relevant position of lengthways main steel bar 10 is welded mutually with connector protruding block 31 surface of articulated elements 27 and sliding articulated elements 26, under branch, diagonal bar 14 welds mutually with connector groove block 30 surface of articulated elements 27, in branch, diagonal bar 13 is through the sliding steel pipe 32 of welding on sliding articulated elements 26, and under branch, diagonal bar 14 is connected by articulated elements 27 with diagonal bar in branch 13；
(8) spring 15 and tensioning fixation are installed: by ring spring positioning link 24 penetration concrete intrusion pipe 12, spring 15 one end connects spring positioning link 24, after other end stretch-draw be connected limiting card 25 and be connected, connect limiting card 25 to be welded under branch on diagonal bar 14, and carry out spring tensioning fixation by spring constraint structure temporarily.
(9) elastica 18 is installed: one elastica 18 is set outside steel reinforcement cage, elastica 18 lower end is placed in the groove 22 on precast pile tip 4, screw filling concrete pipe 12 so that it is on bear down on one and protruding 17 push down elastica pressing structure, and then elastica 18 is fixed on precast pile tip 4；
(10) steel reinforcement cage water filling extension elastica 18 are transferred: overall for the steel reinforcement cage made transferring in boring put in place, and injected clear water, under hydraulic pressure effect, the wall of a borehole 33 and branch reaming wall 34 are close in elastica 18 extension；
(11) extension of branch diagonal bar puts in place: being pulled out by the lifting arm 36 in spring constraint structure, spring 15 shrinks therewith, makes under branch diagonal bar 13 on diagonal bar 14 and branch rotate and sliding, extends in branch body；
(12) concrete perfusion Synchronous lifting elastica 18: by filling concrete pipe 12 subaqueous concreting, after filling concrete height reaches certain value, rotate filling concrete pipe 12 to be allowed to be separated with precast pile tip 4, elastica 18 bottom also departs from precast pile tip 4 simultaneously, on pull out elastica 18, and alternately concrete perfusion, keep elastica 18 3m below concrete surface.
The present invention uses spring 15, spring constraint structure, articulated mounting to control the extension of branch diagonal bar, solve the problem of cloth muscle in a disk body 7, ensure that the shape of the wall of a borehole 33 and branch reaming wall 34 by elastica 18 and stablize, and solve the quality problems such as concrete folder mud, elastica 18 extract with concreting alternately, it is to avoid elastica 18 retains the adverse effect to pile side friction.
The invention belongs to pile foundation engineering field, it is adaptable to the construction of expanding branch grouting pile, in the stratum such as the limited weak soil of conventional method, sand, also have the preferable suitability, obtain preferable technical economic benefit.
Above-described embodiment is only used for illustrating the inventive concept of the present invention, rather than the restriction to rights protection of the present invention, all changes utilizing this design that the present invention carries out unsubstantiality, all should fall into protection scope of the present invention.
Claims (9)
1. a boring extruding reinforcement support disk pile, it is characterized in that: include precast pile tip, uiform section pile body and a disk body, described uiform section pile body is made up of lengthways main steel bar and tie hoop, described precast pile tip is positioned at the end of uiform section pile body, described branch body is positioned at the outer wall of uiform section pile body, and described disk body includes in branch diagonal bar under diagonal bar and branch, in described branch, under diagonal bar and branch, diagonal bar connects at an angle.
Boring extruding reinforcement support disk pile the most according to claim 1, it is characterized in that: described precast pile tip is provided with pre-buried external screw thread joint steel pipe, described pre-buried external screw thread joint steel pipe is provided with pre-buried dowel in the relevant position of lengthways main steel bar, and described pre-buried dowel is positioned at the outside of pre-buried external screw thread joint steel pipe.
Boring extruding reinforcement support disk pile the most according to claim 2, it is characterised in that the bottom of described lengthways main steel bar is connected with pre-buried dowel by straight screw sleeve.
Boring extruding reinforcement support disk pile the most according to claim 1, it is characterized in that, in described branch, diagonal bar is connected with lengthways main steel bar by sliding articulated elements, and under described branch, diagonal bar passes through articulated elements and is connected with lengthways main steel bar, and in described branch, under diagonal bar and branch, diagonal bar is connected by articulated elements.
Boring extruding reinforcement support disk pile the most according to claim 4, it is characterized in that: described sliding articulated elements and articulated elements all include that circular connector groove block and connector protruding block, described circular connector groove block and the combination formation of connector protruding block rotate freely structure.
Boring extruding reinforcement support disk pile the most according to claim 5, it is characterised in that: the connector groove block surface of described sliding articulated elements is welded with sliding steel pipe.
Boring extruding reinforcement support disk pile the most according to claim 4, it is characterized in that: under described branch, the upper end of diagonal bar is connected with diagonal bar in branch by articulated elements, under branch, the lower weld of diagonal bar is connecting on limiting card, and is connected with spring positioning link by spring.
8. the construction method of an extruding reinforcement support disk pile of holing, it is characterised in that comprise the following steps:
(1) boring: position, aperture arranges steel pile casting, uses mud off or dry operation pore-forming；
(2) extruding reaming: use and require squeezed formation branch reaming wall according to design at the most relatively hard soil layer of extruding-enlarging branch tray machine, and record actual branch position；
(3) precast pile tip is made: assembling reinforcement skeleton and pre-buried external screw thread joint steel pipe, pre-buried dowel, and formwork casting concrete are set and are formed；
(4) pile body steel reinforcement cage is made: according to design, lengthways main steel bar and screw thread stirrup being carried out blanking processing, then welding forms steel reinforcement cage；
(5) elastica pressing structure makes and pre-installation: elastica pressing structure is made by elastica briquetting, depression bar and top briquetting, bottom is inserted in the circular hole in the middle of elastica pressing structure with the filling concrete pipe of filling concrete shoe and projection of bearing down on one, and with the pre-buried external screw thread joint steel pipe pre-connection on precast pile tip；
(6) pile body steel reinforcement cage is connected with precast pile tip: be connected by straight screw sleeve with the pre-buried dowel on precast pile tip by steel reinforcement cage lower end lengthways main steel bar；
(7) branch diagonal bar is installed: the squeezed position of actual branch recorded according to step (2), the relevant position of lengthways main steel bar is welded mutually with the connector protruding block surface of articulated elements and sliding articulated elements, under branch, diagonal bar welds mutually with the connector groove block surface of articulated elements, in branch, diagonal bar is through the sliding steel pipe of welding on sliding articulated elements, and under branch, diagonal bar is connected by articulated elements with diagonal bar in branch；
(8) spring and tensioning fixation are installed: by ring spring positioning link penetration concrete intrusion pipe, spring one end connects spring positioning link, after other end stretch-draw be connected limiting card be connected, connect limiting card to be welded under branch on diagonal bar, and carry out spring tensioning fixation by spring constraint structure temporarily.
(9) elastica is installed: arranging one elastica outside steel reinforcement cage, elastica lower end is placed in the groove on precast pile tip, screws filling concrete pipe so that it is on projection of bearing down on one push down elastica pressing structure, and then elastica is fixed on precast pile tip；
(10) steel reinforcement cage water filling extension elastica are transferred: overall for the steel reinforcement cage made transferring in boring put in place, and injected clear water, under hydraulic pressure effect, the wall of a borehole and branch reaming wall are close in elastica extension；
(11) extension of branch diagonal bar puts in place: being pulled out by the lifting arm in spring constraint structure, spring shrinks therewith, makes under branch diagonal bar on diagonal bar and branch rotate and sliding, extends in branch body；
(12) concrete perfusion Synchronous lifting elastica: by filling concrete pipe subaqueous concreting, after filling concrete height reaches certain value, rotate filling concrete pipe to be allowed to be separated with precast pile tip, elastica bottom also departs from precast pile tip simultaneously, on pull out elastica, and alternately concrete perfusion, keep elastica 3m below concrete surface.
The construction method of boring extruding reinforcement support disk pile the most according to claim 8, it is characterized in that: the spring constraint structure in described step (8) is made up of spring constraint muscle, spring constraint bar, spring constraint ring and lifting arm, in the reserving hole that described spring constraint muscle Snap joint limiting card is corresponding, described spring constraint ring snaps in the reserving hole that spring positioning link is corresponding.
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| CN201610505444.XA CN106013133B (en) | 2016-07-01 | 2016-07-01 | A kind of drilling squeezes reinforcement support disk pile and construction method |
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| CN201610505444.XA CN106013133B (en) | 2016-07-01 | 2016-07-01 | A kind of drilling squeezes reinforcement support disk pile and construction method |
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| CN106013133B CN106013133B (en) | 2018-06-12 |
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Cited By (10)
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| CN108411899A (en) * | 2018-05-22 | 2018-08-17 | 高柱福 | A kind of anti-corrosion protection structure of building apertures stake reinforced column |
| CN108643176A (en) * | 2018-05-22 | 2018-10-12 | 高柱福 | A kind of antirust arbor of building apertures stake reinforced column |
| CN108661047A (en) * | 2018-05-22 | 2018-10-16 | 高柱福 | A kind of stable degree Enhancement Method of building apertures stake reinforced column |
| CN110042827A (en) * | 2018-01-17 | 2019-07-23 | 中国电力科学研究院有限公司 | A kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device and application method |
| CN110055954A (en) * | 2018-01-17 | 2019-07-26 | 中国电力科学研究院有限公司 | A kind of squeezed bored concrete pile force bearing disk arrangement of reinforcement device and application method |
| CN110863485A (en) * | 2019-12-02 | 2020-03-06 | 河南科技大学 | Pile forming method for expanding disc pile |
| CN111472349A (en) * | 2020-05-06 | 2020-07-31 | 淮阴工学院 | Supporting disc pile |
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