CN107059908A - Large diameter steel pipe concrete-pile - Google Patents

Large diameter steel pipe concrete-pile Download PDF

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Publication number
CN107059908A
CN107059908A CN201710366466.7A CN201710366466A CN107059908A CN 107059908 A CN107059908 A CN 107059908A CN 201710366466 A CN201710366466 A CN 201710366466A CN 107059908 A CN107059908 A CN 107059908A
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CN
China
Prior art keywords
steel
steel pipe
pipe
pile
concrete
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
CN201710366466.7A
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Chinese (zh)
Inventor
曹兵
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Anhui Polytechnic University
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Anhui Polytechnic University
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Publication date
Application filed by Anhui Polytechnic University filed Critical Anhui Polytechnic University
Priority to CN201710366466.7A priority Critical patent/CN107059908A/en
Publication of CN107059908A publication Critical patent/CN107059908A/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
    • E02D27/00Foundations as substructures
    • E02D27/10Deep foundations
    • E02D27/12Pile foundations
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/52Submerged foundations, i.e. submerged in open water
    • E02D27/525Submerged foundations, i.e. submerged in open water using elements penetrating the underwater ground
    • 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

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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)

Abstract

The invention discloses a kind of large diameter steel pipe concrete-pile, the large diameter steel pipe concrete-pile is used to insert lakebed participation manufacture bridge, including steel pile casting, the first steel pipe, steel reinforcement cage and sound detecting pipe;Steel pile casting is set in the outside of the first steel pipe, also, steel pile casting and the same axis of the first steel pipe are set;The diameter of steel pile casting is more than boring aperture pre-drilled in lakebed, and the diameter of the first steel pipe is less than boring aperture, and the first steel pipe is held through steel pile casting and extended in drilling from top to bottom;Steel reinforcement cage is arranged on the inside of the first steel pipe and is resisted against on the inwall of the first steel pipe, and length direction of the sound detecting pipe along the first steel pipe extends and be fixed on the inwall of steel reinforcement cage;Wherein, the gap filling between the inside and steel pile casting of the first steel pipe and drilling and the first steel pipe has concrete.The simple in construction of the large diameter steel pipe concrete-pile, construction are easy to assembly quick, and its intensity is high, stability is strong.

Description

Large diameter steel pipe concrete-pile
Technical field
The present invention relates to bridge construction construction applications, in particular it relates to large diameter steel pipe concrete-pile.
Background technology
Concrete filled steel tube be inserted in steel pipe concrete formation a kind of lightweight, it is high-strength, between steel construction and mixed Combining structure between Xtah Crude Clay structure, strengthens the stability of steel pipe walls by concrete filled, by steel pipe to core concrete Confinement effect so that core concrete be in three dimension stress state, improve core concrete bearing capacity while, improve Its plastic property.
At present, concrete filled steel tube is applied in arch rib and bridge superstructure and bridge pier, bridge tower structure, but simultaneously Large diameter steel pipe concrete-pile is used into the construction of bridge pile foundation without suitably design or construction method.
Therefore, urgent need, which will be provided, a kind of is used to inserting that lakebed to participate in manufacture bridge and simple in construction, intensity is high, stability is strong Large diameter steel pipe concrete-pile.
The content of the invention
It is an object of the invention to provide a kind of large diameter steel pipe concrete-pile, the structure letter of the large diameter steel pipe concrete-pile Single, construction is easy to assembly quick, and its intensity is high, stability is strong.
To achieve these goals, the invention provides a kind of large diameter steel pipe concrete-pile, the large diameter steel pipe coagulation Native stake is used to insert lakebed participation manufacture bridge, including steel pile casting, the first steel pipe, steel reinforcement cage and sound detecting pipe;
Steel pile casting is set in the outside of the first steel pipe, also, steel pile casting and the same axis of the first steel pipe are set;
The diameter of steel pile casting is more than boring aperture pre-drilled in lakebed, and the diameter of the first steel pipe is less than boring aperture, And the first steel pipe is held through steel pile casting and extended in drilling from top to bottom;
Steel reinforcement cage is arranged on the inside of the first steel pipe and is resisted against on the inwall of the first steel pipe, and sound detecting pipe is along the first steel pipe Length direction extends and is fixed on the inwall of steel reinforcement cage;Wherein,
Gap filling between the inside and steel pile casting of first steel pipe and drilling and the first steel pipe has concrete.
Preferably, the first steel duct is additionally provided with the second steel pipe, and the second steel pipe is set with steel pile casting, the same axis of the first steel pipe Put and bottom is extended in drilling.
Preferably, radially partly stretch out on the inwall of the first steel pipe and be formed with annular steel ring, annular steel ring To be multiple and be uniformly distributed along the axis direction of the first steel pipe.
Preferably, annular steel ring is formed in one with the first steel pipe.
Preferably, sound detecting pipe colligation or it is welded on steel reinforcement cage.
Preferably, sound detecting pipe is that socket is formed many steel bellow head and the tail successively, also, adjacent steel corrugated pipe connector Place is socketed using the steel bellow of larger diameter.
Preferably, a plurality of circumferentially arranged vertical muscle of steel reinforcement cage and the ring-shaped stirrup being looped around on the outside of vertical muscle.
Preferably, the cylinder bottom of steel pile casting can extend to lakebed and the region between the gentle breeze top of lakebed depths.
Preferably, the gap top between steel pile casting and the first steel pipe is also filled with rubble and Dispose by grouting.
Preferably, the bottom of sound detecting pipe is through the first steel pipe and extends to foot of hole.
According to above-mentioned technical proposal, the large diameter steel pipe concrete-pile is used to insert lakebed participation manufacture bridge by the present invention Beam.Wherein, waterborne traffic accident, and inserting piling steel pile casting are set up first;Then, the basement rock internal drilling inside steel pile casting is to required Height simultaneously removes the debris in drilling;Then the first steel pipe is inserted from the top of steel pile casting and injects the drilling being drilled always It is interior;The steel reinforcement cage welded in advance and sound detecting pipe are laid in from top to down again on the inside of the first steel pipe being plugged;Most backward first Pouring underwater concrete in steel pipe is until concrete liquid level reaches required height.The large diameter steel pipe being so made is mixed Solidifying soil is can solve the problem that long in the construction for being applied to bridge pile foundation the characteristics of stake has large carrying capacity, thrust stiffness is small The design challenges of continuous rigid frame bridge, substantially increase reliability and security that bridge construction is used.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute a part for specification, with following tool Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of structural representation of the large diameter steel pipe concrete-pile provided according to the present invention.
Description of reference numerals
1- steel pile castings the first steel pipes of 2-
3- sound detecting pipes 4- drills
The second steel pipes of 5- 6- annular steel rings
7- indulges muscle 8- stirrups
9- lakebed 10- gentle breezes top
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where not making opposite explanation, " inside and outside, top, bottom " etc. is included in the noun of locality in term Only represent orientation of the term under normal service condition, or be skilled artisan understands that be commonly called as, and be not construed as pair The limitation of the term.
Referring to Fig. 1, the present invention provides a kind of large diameter steel pipe concrete-pile, and the large diameter steel pipe concrete-pile is used to insert Lakebed 9 participates in manufacture bridge, including steel pile casting 1, the first steel pipe 2, steel reinforcement cage and sound detecting pipe 3;
Steel pile casting 1 is set in the outside of the first steel pipe 2, also, the same axis of 1 and first steel pipe of steel pile casting 2 is set;
The diameter of steel pile casting 1 is more than the aperture of drilling 4 pre-drilled in lakebed 9, and the diameter of the first steel pipe 2 is less than drilling 4 Aperture, and the first steel pipe 2 hold from top to bottom through steel pile casting 1 and extend to drilling 4 in;
Steel reinforcement cage is arranged on the inside of the first steel pipe 2 and is resisted against on the inwall of the first steel pipe 2, and sound detecting pipe 3 is along the first steel The length direction of pipe 2 extends and is fixed on the inwall of steel reinforcement cage;Wherein,
Gap filling between the inside and the steel pipe 2 of steel pile casting 1 and first of first steel pipe 2 and drilling 4 has concrete.
By above-mentioned technical proposal, the large diameter steel pipe concrete-pile is used to insert lakebed participation manufacture bridge.Wherein, Waterborne traffic accident, and inserting piling steel pile casting 1 are set up first;Then, the basement rock internal drilling 4 inside steel pile casting 1 is to required height And remove the debris in drilling 4;Then the first steel pipe 2 is inserted from the top of steel pile casting 1 and injects the drilling 4 being drilled always It is interior;The steel reinforcement cage welded in advance and sound detecting pipe 3 are laid in the inner side of the first steel pipe 2 being plugged from top to down again;Most backward Pouring underwater concrete in one steel pipe 2 is until concrete liquid level reaches required height.The Large-diameter Steel being so made The characteristics of pipe concrete stake has large carrying capacity, thrust stiffness is small, can solve the problem that in the construction for being applied to bridge pile foundation The design challenges of long connection continuous rigid frame bridge, substantially increase reliability and security that bridge construction is used.
In the present embodiment, in order to shearing resistance, Compressive Bearing Capacity and the ductility of steel tube concrete pile is significantly increased And energy dissipation capacity, it is to avoid failure by shear and bending conquassation occur for steel tube concrete pile, the need for meeting bridge resistance sharp pounding, Preferably, the second steel pipe 5 is additionally provided with inside the first steel pipe 2, the second steel pipe 5 is set with steel pile casting 1, the same axis of the first steel pipe 2 And bottom is extended in drilling 4.So, it can also reduce in the cost of steel tube concrete pile, such as the second steel pipe and use as far as possible High intensity underwater concrete, and the concrete between the second steel pipe and the first steel pipe can use the coagulation under water of regular tenacity Soil, so ensureing bridge construction stability and production and construction cost saved while security, it is to avoid a large amount of concrete Waste.
However, the intensity in order to further strengthen the first steel pipe 2, prevents it to be distorted or even rupture when by gravity Deng dangerous situation, it is preferable that radially partly stretch out on the inwall of the first steel pipe 2 and be formed with annular steel ring 6, annular Steel ring 6 is multiple and is uniformly distributed along the axis direction of the first steel pipe 2.Equally, identical can also be designed on the second steel pipe 5 Annular steel ring 6 strengthens the bulk strength of the large diameter steel pipe concrete-pile.
During above-mentioned first steel pipe 2 is processed, in order to avoid subsequently installing annular steel ring 6 and first during welding additional It is difficult to ensure that between the inwall of steel pipe 2 firmly, it is preferable that annular steel ring 6 is formed in one with the first steel pipe 2.
The preferred steel bellow of the material of sound detecting pipe 3, steel bellow is a kind of preferable sounding tube material, with tube wall Thin, steel save and impervious, pressure-resistant, intensity it is high, it is flexible the features such as.For the post stretching reserving hole channel in prestressed structure, when When it is used as sound detecting pipe, can directly colligation on framework of steel reinforcement, and because bellows is very light thus easy to operate, only It need to note keeping the straight of its axis when mounted.
In the installation process of sound detecting pipe 3, multiple steel bellows are segmented with steel reinforcement cage and installed, and the joint between every section can be adopted With left-hand thread sleeve interface or sleeve pipe welding scheme.Then it is socketed according to bellows using bigger bellows, and in set The two ends of adapter are wound with adhesive plaster and sealed.But, which kind of joint scheme all must assure that under higher hydrostatic pressure not Spillage, interface inwall should keep smooth, should not there is the ridges such as welding slag, burr, be moved freely with what obstruction free was popped one's head in, sound detecting pipe Bottom should also seal, should be blocked after installing by suitable for reading with stopper, in order to avoid falling into foreign matter during placing concrete, cause duct Block.
In addition, a plurality of circumferentially arranged vertical muscle 7 of the structure in order to optimize steel reinforcement cage, preferably steel reinforcement cage and being looped around vertical muscle The ring-shaped stirrup 8 in 7 outsides.And stirrup 8 can be horizontal parallel setting or vertical along the vertical spiral of muscle 7 with a determining deviation Arrangement.
When stake under needing being not the region of a horizontal plane in lakebed 9, such as pile foundation of bridge pier is located at and inclined at one Oblique lakebed, lake ground is high compared with other piers position, and farthest to temperature movement zero point apart from suitable bridge, therefore considers pile foundation Stability and bearing capacity, and the cylinder bottom for designing steel pile casting 1 can extend to lakebed 9 and the gentle breeze top positioned at the depths of lakebed 9 Region between 10.
After steel pipe is planted to designed elevation, start the pouring underwater concrete into steel pipe, employ the technology of turning up by coagulation The height of design theory on the outside of soil pressure to steel pipe.And the design height for the original demand of insufficient height of once turning up, then need rapid Ground is adopted remedial measures, and now the gap top preferably between the steel pipe 2 of steel pile casting 1 and first is also filled with rubble and mud jacking Reason.
In addition, in order that the test scope for obtaining sound detecting pipe 3 is wider, the result that test is obtained is more accurate, it is preferable that sounding The bottom of pipe 3 is through the first steel pipe 2 and extends to 4 bottoms of drilling.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally The thought of invention, it should equally be considered as content disclosed in this invention.

Claims (10)

1. a kind of large diameter steel pipe concrete-pile, the large diameter steel pipe concrete-pile is used to insert lakebed (9) participation manufacture bridge Beam, it is characterised in that including steel pile casting (1), the first steel pipe (2), steel reinforcement cage and sound detecting pipe (3);
The steel pile casting (1) is set in the outside of first steel pipe (2), also, the steel pile casting (1) and the first steel pipe (2) Same axis is set;
The diameter of the steel pile casting (1) is more than drilling (4) aperture pre-drilled in the lakebed (9), first steel pipe (2) Diameter be less than described drilling (4) aperture, and first steel pipe (2) holds through the steel pile casting (1) and prolongs from top to bottom Extend in the drilling (4);
The steel reinforcement cage is arranged on the inside of first steel pipe (2) and is resisted against on the inwall of first steel pipe (2), described Length direction of the sound detecting pipe (3) along first steel pipe (2) extends and is fixed on the inwall of the steel reinforcement cage;Wherein,
Gap between the inside and the steel pile casting (1) and the first steel pipe (2) of first steel pipe (2) and drilling (4) is filled out Filled with underwater concrete.
2. large diameter steel pipe concrete-pile according to claim 1, it is characterised in that inside first steel pipe (2) also Provided with the second steel pipe (5), second steel pipe (5) is set with steel pile casting (1), the same axis of the first steel pipe (2) and bottom extends Into the drilling (4).
3. large diameter steel pipe concrete-pile according to claim 1, it is characterised in that the inwall of first steel pipe (2) On radially partly stretch out and be formed with annular steel ring (6), the annular steel ring (6) is multiple and along first steel The axis direction of pipe (2) is uniformly distributed.
4. large diameter steel pipe concrete-pile according to claim 3, it is characterised in that the annular steel ring (6) with it is described First steel pipe (2) is formed in one.
5. large diameter steel pipe concrete-pile according to claim 1, it is characterised in that sound detecting pipe (3) colligation or It is welded on the steel reinforcement cage.
6. large diameter steel pipe concrete-pile according to claim 5, it is characterised in that the sound detecting pipe (3) is many steel Socket is formed matter bellows head and the tail successively, also, the adjacent steel bellow joint uses the steel corrugated of larger diameter Pipe is socketed.
7. large diameter steel pipe concrete-pile according to claim 1, it is characterised in that the steel reinforcement cage is a plurality of circumferentially to be set The vertical muscle (7) put and the ring-shaped stirrup (8) being looped around on the outside of the vertical muscle (7).
8. large diameter steel pipe concrete-pile according to claim 1, it is characterised in that the cylinder bottom energy of the steel pile casting (1) Enough extend to the lakebed (9) and the region between the gentle breeze top (10) of lakebed (9) depths.
9. large diameter steel pipe concrete-pile according to claim 1, it is characterised in that the steel pile casting (1) and the first steel Gap top between pipe (2) is also filled with rubble and Dispose by grouting.
10. large diameter steel pipe concrete-pile according to claim 1, it is characterised in that wear the bottom of the sound detecting pipe (3) Cross first steel pipe (2) and extend to described drilling (4) bottom.
CN201710366466.7A 2017-05-23 2017-05-23 Large diameter steel pipe concrete-pile Pending CN107059908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710366466.7A CN107059908A (en) 2017-05-23 2017-05-23 Large diameter steel pipe concrete-pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710366466.7A CN107059908A (en) 2017-05-23 2017-05-23 Large diameter steel pipe concrete-pile

Publications (1)

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CN107059908A true CN107059908A (en) 2017-08-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112376552A (en) * 2020-11-24 2021-02-19 武汉盛士瑞建设工程有限公司 Energy-saving pile foundation and construction method thereof
CN113281407A (en) * 2021-04-30 2021-08-20 中国一冶集团有限公司 Device and method for improving compactness of cast-in-situ bored pile

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101250880A (en) * 2007-12-19 2008-08-27 中铁大桥局集团第一工程有限公司 Method for embedding and fixing steel tube concrete pile and steel tube pile anchor
CN105464122A (en) * 2015-11-18 2016-04-06 中铁大桥勘测设计院集团有限公司 Construction method for major-diameter hollow pile sinking foundation
JP2016223207A (en) * 2015-06-02 2016-12-28 株式会社トーヨーアサノ SC pile
CN206706803U (en) * 2017-05-23 2017-12-05 安徽工程大学 Large diameter steel pipe concrete-pile

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101250880A (en) * 2007-12-19 2008-08-27 中铁大桥局集团第一工程有限公司 Method for embedding and fixing steel tube concrete pile and steel tube pile anchor
JP2016223207A (en) * 2015-06-02 2016-12-28 株式会社トーヨーアサノ SC pile
CN105464122A (en) * 2015-11-18 2016-04-06 中铁大桥勘测设计院集团有限公司 Construction method for major-diameter hollow pile sinking foundation
CN206706803U (en) * 2017-05-23 2017-12-05 安徽工程大学 Large diameter steel pipe concrete-pile

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王鹤,温向阳: "千岛湖大桥主桥嵌岩钢管混凝土桩施工" *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112376552A (en) * 2020-11-24 2021-02-19 武汉盛士瑞建设工程有限公司 Energy-saving pile foundation and construction method thereof
CN113281407A (en) * 2021-04-30 2021-08-20 中国一冶集团有限公司 Device and method for improving compactness of cast-in-situ bored pile
CN113281407B (en) * 2021-04-30 2024-01-12 中国一冶集团有限公司 Device and method for improving compactness of bored pile

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Application publication date: 20170818

RJ01 Rejection of invention patent application after publication