CN109235444A - A kind of prismatic prestressing force support pile, piling wall and its construction method - Google Patents
A kind of prismatic prestressing force support pile, piling wall and its construction method Download PDFInfo
- Publication number
- CN109235444A CN109235444A CN201811050097.1A CN201811050097A CN109235444A CN 109235444 A CN109235444 A CN 109235444A CN 201811050097 A CN201811050097 A CN 201811050097A CN 109235444 A CN109235444 A CN 109235444A
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- Prior art keywords
- prismatic
- prestressing force
- force support
- support pile
- wedge angle
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/207—Securing of slopes or inclines with means incorporating sheet piles or piles
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of prismatic prestressing force support piles, including pouring main body, main body is poured equipped with hollow hole, pouring main body includes the first wedge angle and the second wedge angle, first wedge angle and the second wedge angle are located at the opposite end for pouring main body, the end of first wedge angle is equipped with notch, the end of second wedge angle is equipped with protrusion, prismatic prestressing force support pile further includes presstressed reinforcing steel, presstressed reinforcing steel, which is located at, to be poured in main body and around hollow hole, the section of prismatic prestressing force support pile is prismatic and has hollow structure, presstressed reinforcing steel is set simultaneously, it can be on the basis of being further reduced concrete amount, it ensure that laser intensity；Prismatic prestressing force support pile is prefabricated pile, and construction period can be shortened relative in situ concrete pile to scene by completing transport in factory process, and prismatic prestressing force support pile improves bending resistance and shear behavior using hybrid reinforcement auxiliary.The invention further relates to the piling walls and its construction method of prismatic prestressing force support pile composition.
Description
Technical field
The present invention relates to building fields, more particularly, to a kind of prismatic prestressing force support pile, piling wall and its construction method.
Background technique
Support pile is generally used for pattern foundation pit supporting structure, slope retaining and landslide control, bears horizontal earth pressure or landslide pushes away
Power, in the prior art, there is a problem in that:
1. conventional hollow square pile is used as support pile, two larger soil compaction effects being also easy to produce when connecting are easy when planting stake
Inclination, influences foundation pit support construction quality and duration；
2. bored concrete pile is used as support pile, due to live banding steel cage and pour, slow low efficiency of constructing；
The stake of 3.U template and groove profile sheet pile are only used in the little engineering of river equal bending moments since anti-bending strength is lower, and
And since cross section is not central symmetry, constructional difficulties are caused.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide be not easy to tilt, construct effect when an implant post
The prismatic prestressing force support pile that rate is high, has a wide range of application；And the piling wall and construction method being made of above-mentioned support pile.
The purpose of the present invention is implemented with the following technical solutions:
A kind of prismatic prestressing force support pile, including main body is poured, the main body that pours is described to pour master equipped with hollow hole
Body includes the first wedge angle and the second wedge angle, and first wedge angle and second wedge angle, which are located at, described pours the opposite of main body
Both ends, the end of first wedge angle are equipped with notch, and the end of second wedge angle is equipped with protrusion, the prismatic prestressing force supporting
Stake further includes presstressed reinforcing steel, and the presstressed reinforcing steel is located at described pour in main body and around the hollow hole.
Further, first wedge angle and second wedge angle are respectively acute angle.
Further, the angle of first wedge angle and second wedge angle is equal.
Further, the notch is corresponding with the shape of the protrusion.
Further, the notch and the cross sectional shape of the protrusion are semicircle.
Further, the presstressed reinforcing steel is prestressed steel bar, fibre-reinforced plastics muscle or carbon fibre bar.
The protrusion of a kind of piling wall, including several prismatic prestressing force support piles, each prismatic prestressing force support pile is located at
The indentation, there of adjacent prismatic prestressing force support pile, first wedge angle of two adjacent prismatic prestressing force support piles and described
Gap is formed between two wedge angles, squeeze out soil can.
Further, the piling wall further includes several mixing piles, and the mixing pile is located at the gap location, improves foundation pit
Water-stagnating effect.
Further, between first wedge angle and second wedge angle of described two adjacent prismatic prestressing force support piles
It is formed and is equipped with another prismatic prestressing force support pile in gap, gap described in the first wedge angle face of the prismatic prestressing force support pile
To improve the supporting intensity of foundation pit walls.
A kind of construction method of prismatic prestressing force support pile, comprising the following steps: foundation pit parameter measurement；Prismatic prestressing force branch
Fender pile is prefabricated；Plant stake: when foundation pit level of ground water is lower, prismatic prestressing force support pile plants stake mode using single layer chain type；Work as base
When hole level of ground water is higher, prismatic prestressing force support pile first uses single layer chain type to plant stake mode, then in two adjacent prismatic branch
The gap of fender pile successively adds mixing pile, improves foundation pit water-stagnating effect；When the active soil pressure of foundation pit is excessive, prismatic prestressing force branch
Fender pile plants stake mode using double-layer chain, improves the supporting intensity of foundation pit walls.
Compared with prior art, the invention has the following advantages:
(1) section of prismatic prestressing force support pile is prismatic and has hollow structure, while stirrup Composite Layout is arranged
It is formed muscle cage (presstressed reinforcing steel), can ensure that laser intensity on the basis of being further reduced concrete amount；
(2) prismatic prestressing force support pile is prefabricated pile, completes transport to scene, relative to cast-in-place concrete in factory process
Stake, can shorten construction period, and identical items can be shortened using prefabricated pile than saving the duration 2/3rds using cast-in-place mixing pile
Foundation pit construction duration effect is obvious；
(3) prismatic prestressing force support pile using hybrid reinforcement auxiliary improve bending resistance and shear behavior (compared with common tubular pole,
Bending resistance improves about 50%, about 10%) shear behavior improves；Arrangement of reinforcement include metal presstressed reinforcing steel (nonmetallic presstressed reinforcing steel) and
Reinforcing bar, it is light and have good using preferably using fibre-reinforced plastics muscle or carbon fibre bar when nonmetallic presstressed reinforcing steel
Corrosion resistance, resistance to acid and alkali and anti-seismic performance, prismatic prestressing force support pile is used in a variety of soil layer environment；Together
When, using preferred distribution fraction, auxiliary enhancing bending resistance and shear behavior.
Detailed description of the invention
Fig. 1 is the top view of prismatic prestressing force support pile of the present invention；
Fig. 2 is the perspective view of the prismatic prestressing force support pile of Fig. 1；
The schematic diagram of the piling wall formed after the prismatic prestressing force supporting pile driving construction that Fig. 3 is Fig. 1；
Fig. 4 is the schematic diagram of the piling wall formed after prismatic prestressing force supporting pile driving construction when foundation pit level of ground water is higher；
Fig. 5 is the schematic diagram of the piling wall formed after prismatic prestressing force supporting pile driving construction when the active earth pressure of foundation pit is excessive.
In figure: 100, piling wall；10, prismatic prestressing force support pile；11, main body is poured；110, the first wedge angle；111, notch；
112, the second wedge angle；113, raised；12, hollow hole；13, presstressed reinforcing steel；20, gap；30, mixing pile.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Fig. 1 to Fig. 2 is please referred to, a kind of prismatic prestressing force support pile 10 of the present invention is poured including pouring main body 11, being set to
The hollow hole 12 at 11 center of main body and it is embedded in the presstressed reinforcing steel 13 poured in main body 11.
Pouring main body 11 includes the first wedge angle 110 and the second wedge angle 112.First wedge angle 110 and the second wedge angle 112 divide
The opposite end of main body 11 Wei Yu not poured.First wedge angle 110 and the second wedge angle 112 are symmetrical arranged relative to hollow hole 12.
First wedge angle 110 is equipped with notch 111, and the second wedge angle 112 is equipped with protrusion 113.Notch 111 is corresponding with the shape of protrusion 113.It is preferred that
The shape of ground, notch 111 and protrusion 113 is semicircle.The section for pouring main body 11 is prismatic.
Hollow hole 12 is cylinder.Preferably, the diameter of hollow hole 12 is 300mm.
Presstressed reinforcing steel 13 is prestressed steel bar, fibre-reinforced plastics muscle or carbon fibre bar.Preferably, presstressed reinforcing steel 13
Quantity be 24, diameter 10.7mm, compressive pre-stress 6.1MPa, cracking moment 222.55KN.m.24 presstressed reinforcing steels
13 surround hollow hole 12 in prismatic.
Please continue to refer to Fig. 3 to Fig. 5, prismatic prestressing force support pile 10 is used to form piling wall 100.When foundation pit level of ground water compared with
It is (level of ground water is greater than 6 meters apart from ground), of less demanding to the sealing of foundation pit walls when low.It can be planted using the single layer chain type of Fig. 3
Stake mode, the protrusion 113 of each prismatic prestressing force support pile 10 are located at the notch 111 of adjacent prismatic prestressing force support pile 10
Place forms gap 20, makes native energy between the first wedge angle 111 and the second wedge angle 113 of two adjacent prismatic prestressing force support piles 10
It squeezes out.Turning turning range is preferably 0~45 degree when chain type connects, and turning turning is greater than 45 degree and is unfavorable for sealing.
It, can when having higher requirements to foundation pit sealing when foundation pit level of ground water is higher (level of ground water is apart from ground less than 6 meters)
One layer of 30 sealing of mixing pile is added in prismatic prestressing force support pile 10, as shown in Fig. 4；Sequence of construction is first by prismatic prestressing force
After support pile 10 is combined into chain type closed polygon structure along quasi- excavation pit surrounding, then in two prismatic prestressing force support piles 10
Gap 20 between successively add mixing pile 30, improve foundation pit water-stagnating effect.
When the active earth pressure of foundation pit is excessive, the supporting of the double-deck prismatic prestressing force support pile 10 of attached drawing 5 can be taken
Mode improves the supporting intensity of foundation pit walls.The first wedge angle 110 of another prismatic prestressing force support pile 10 is located at two adjacent ribs at this time
In the gap 20 that shape prestressing force support pile 10 is formed.
The invention further relates to a kind of prismatic prestressing force supporting pile construction methods, comprising the following steps: foundation pit parameter measurement；Rib
Shape prestressing force support pile is prefabricated；Plant stake: when foundation pit level of ground water is lower, prismatic prestressing force support pile plants stake using single layer chain type
Mode；When foundation pit level of ground water is higher, prismatic prestressing force support pile first uses single layer chain type to plant stake mode, then in two phases
The gap of adjacent edge shape support pile successively adds mixing pile, improves foundation pit water-stagnating effect；When the active soil pressure of foundation pit is excessive, prismatic
Prestressing force support pile plants stake mode using double-layer chain, improves the supporting intensity of foundation pit walls.
Compared with prior art, the present invention having the advantage that
(1) section of prismatic prestressing force support pile 10 be prismatic and have hollow structure, while be arranged stirrup combine match
Muscle forms muscle cage (presstressed reinforcing steel 13), can ensure that laser intensity on the basis of being further reduced concrete amount；
(2) prismatic prestressing force support pile 10 is prefabricated pile, completes transport to scene, relative to cast-in-place coagulation in factory process
Native stake can shorten construction period, and identical items can be than being saved the duration 2/3rds using prefabricated pile using cast-in-place mixing pile, contracting
Short foundation pit construction duration effect is obvious；
(3) prismatic prestressing force support pile 10 improves bending resistance and shear behavior (with common tubular pole phase using hybrid reinforcement auxiliary
Than bending resistance improves about 50%, about 10%) shear behavior improves；Arrangement of reinforcement includes metal presstressed reinforcing steel (nonmetallic prestressing force
Muscle) and reinforcing bar, it is light and have using preferably using fibre-reinforced plastics muscle or carbon fibre bar when nonmetallic presstressed reinforcing steel
Good corrosion resistance, resistance to acid and alkali and anti-seismic performance allow prismatic prestressing force support pile 10 in a variety of soil layer environment
It uses；Meanwhile using preferred distribution fraction, auxiliary enhancing bending resistance and shear behavior.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection scope of the claims in the present invention
Within.
Claims (10)
1. a kind of prismatic prestressing force support pile, including main body is poured, the main body that pours is equipped with hollow hole, it is characterised in that:
The main body that pours includes the first wedge angle and the second wedge angle, and first wedge angle and second wedge angle are located at described pour
The opposite end of main body, the end of first wedge angle are equipped with notch, and the end of second wedge angle is equipped with protrusion, the prismatic
Prestressing force support pile further includes presstressed reinforcing steel, and the presstressed reinforcing steel is located at described pour in main body and around the hollow hole.
2. prismatic prestressing force support pile according to claim 1, it is characterised in that: first wedge angle and second point
Angle is respectively acute angle.
3. prismatic prestressing force support pile according to claim 2, it is characterised in that: first wedge angle and second point
The angle at angle is equal.
4. prismatic prestressing force support pile according to claim 1, it is characterised in that: the shape of the notch and the protrusion
It is corresponding.
5. prismatic prestressing force support pile according to claim 4, it is characterised in that: the section of the notch and the protrusion
Shape is semicircle.
6. prismatic prestressing force support pile according to claim 1, it is characterised in that: the presstressed reinforcing steel is prestress steel
Stick, fibre-reinforced plastics muscle or carbon fibre bar.
7. a kind of piling wall, it is characterised in that: including several prismatic prestressing force support piles described in any one of claims 1-6, often
The protrusion of the one prismatic prestressing force support pile is located at the indentation, there of adjacent prismatic prestressing force support pile, and two adjacent prismatics are pre-
Gap is formed between first wedge angle and second wedge angle of stress support pile, squeeze out soil can.
8. piling wall according to claim 7, it is characterised in that: the piling wall further includes several mixing piles, the mixing pile
Positioned at the gap location, the water-stagnating effect of foundation pit is improved.
9. piling wall according to claim 7, it is characterised in that: described the of described two adjacent prismatic prestressing force support piles
It is formed between one wedge angle and second wedge angle and is equipped with another prismatic prestressing force support pile, the prismatic prestressing force supporting in gap
Gap described in first wedge angle face of stake is to improve the supporting intensities of foundation pit walls.
10. a kind of construction method of prismatic prestressing force support pile according to claim 1-6, which is characterized in that
The following steps are included:
Foundation pit parameter measurement；
Prismatic prestressing force support pile is prefabricated；
Plant stake: when foundation pit level of ground water is lower, prismatic prestressing force support pile plants stake mode using single layer chain type；When foundation pit underground
When water level is higher, prismatic prestressing force support pile first uses single layer chain type to plant stake mode, then in two adjacent prismatic support piles
Gap successively adds mixing pile, improves foundation pit water-stagnating effect；When the active soil pressure of foundation pit is excessive, prismatic prestressing force support pile is adopted
Stake mode is planted with double-layer chain, improves the supporting intensity of foundation pit walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811050097.1A CN109235444A (en) | 2018-09-10 | 2018-09-10 | A kind of prismatic prestressing force support pile, piling wall and its construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811050097.1A CN109235444A (en) | 2018-09-10 | 2018-09-10 | A kind of prismatic prestressing force support pile, piling wall and its construction method |
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| CN109235444A true CN109235444A (en) | 2019-01-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378938A (en) * | 2020-10-20 | 2022-04-22 | 宝山钢铁股份有限公司 | Rhombic concrete pipe pile, rhombic concrete pipe pile die and manufacturing and mounting method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200435076Y1 (en) * | 2006-06-29 | 2007-01-09 | (주)스틸엔콘크리트 | Complex pile commected integral steel pile to prestressed concrete composite pile |
| KR100819453B1 (en) * | 2006-12-28 | 2008-04-04 | (주)스틸엔콘크리트 | Method for manufacturing a prestressed concrete composition pile filled with a weight reducing material in concrete section |
| KR20090006672A (en) * | 2007-07-12 | 2009-01-15 | 재단법인 포항산업과학연구원 | Pile and wall using thereof |
| CN102535438A (en) * | 2012-02-02 | 2012-07-04 | 沙焕焕 | Prefabricated embedding pile |
| KR20120088929A (en) * | 2011-02-01 | 2012-08-09 | 주식회사 동림건설 | Structure of Temporary Retaning wall |
| KR20130065536A (en) * | 2011-12-10 | 2013-06-19 | 이상구 | Round pile for closely contacting in the curve corner |
| CN204112336U (en) * | 2014-08-26 | 2015-01-21 | 南京市测绘勘察研究院有限公司 | The foundation pit supporting construction that a kind of semicircle preformed pile and water-seal pile are formed |
| CN105544531A (en) * | 2016-01-25 | 2016-05-04 | 李文明 | Prestressed high-strength concrete hollow support pile and manufacturing method thereof |
| CN206448268U (en) * | 2017-02-06 | 2017-08-29 | 湖南卓工建材科技有限公司 | A kind of spliced water stopping type pre-stressed concrete hollow support pile |
| CN207032217U (en) * | 2017-03-30 | 2018-02-23 | 扬州市邗江扬子汽车内饰件有限公司 | A kind of high molecular polymer sheet pile for tortuous channel |
| CN207419457U (en) * | 2017-09-28 | 2018-05-29 | 湖南卓工建材科技有限公司 | A kind of big moment of flexure prestressed concrete support pile |
| CN209384243U (en) * | 2018-09-10 | 2019-09-13 | 广东三和管桩股份有限公司 | A kind of prestressing force support pile and piling wall |
-
2018
- 2018-09-10 CN CN201811050097.1A patent/CN109235444A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200435076Y1 (en) * | 2006-06-29 | 2007-01-09 | (주)스틸엔콘크리트 | Complex pile commected integral steel pile to prestressed concrete composite pile |
| KR100819453B1 (en) * | 2006-12-28 | 2008-04-04 | (주)스틸엔콘크리트 | Method for manufacturing a prestressed concrete composition pile filled with a weight reducing material in concrete section |
| KR20090006672A (en) * | 2007-07-12 | 2009-01-15 | 재단법인 포항산업과학연구원 | Pile and wall using thereof |
| KR20120088929A (en) * | 2011-02-01 | 2012-08-09 | 주식회사 동림건설 | Structure of Temporary Retaning wall |
| KR20130065536A (en) * | 2011-12-10 | 2013-06-19 | 이상구 | Round pile for closely contacting in the curve corner |
| CN102535438A (en) * | 2012-02-02 | 2012-07-04 | 沙焕焕 | Prefabricated embedding pile |
| CN204112336U (en) * | 2014-08-26 | 2015-01-21 | 南京市测绘勘察研究院有限公司 | The foundation pit supporting construction that a kind of semicircle preformed pile and water-seal pile are formed |
| CN105544531A (en) * | 2016-01-25 | 2016-05-04 | 李文明 | Prestressed high-strength concrete hollow support pile and manufacturing method thereof |
| CN206448268U (en) * | 2017-02-06 | 2017-08-29 | 湖南卓工建材科技有限公司 | A kind of spliced water stopping type pre-stressed concrete hollow support pile |
| CN207032217U (en) * | 2017-03-30 | 2018-02-23 | 扬州市邗江扬子汽车内饰件有限公司 | A kind of high molecular polymer sheet pile for tortuous channel |
| CN207419457U (en) * | 2017-09-28 | 2018-05-29 | 湖南卓工建材科技有限公司 | A kind of big moment of flexure prestressed concrete support pile |
| CN209384243U (en) * | 2018-09-10 | 2019-09-13 | 广东三和管桩股份有限公司 | A kind of prestressing force support pile and piling wall |
Non-Patent Citations (1)
| Title |
|---|
| 徐晓红: "基础工程", 中国计量出版社, pages: 135 - 136 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378938A (en) * | 2020-10-20 | 2022-04-22 | 宝山钢铁股份有限公司 | Rhombic concrete pipe pile, rhombic concrete pipe pile die and manufacturing and mounting method |
| CN114378938B (en) * | 2020-10-20 | 2023-08-11 | 宝山钢铁股份有限公司 | Rhombic concrete pipe pile, mould for rhombic concrete pipe pile, preparation and installation method |
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