CN112609687A - PHC pipe pile planting construction method - Google Patents
PHC pipe pile planting construction method Download PDFInfo
- Publication number
- CN112609687A CN112609687A CN202011283640.XA CN202011283640A CN112609687A CN 112609687 A CN112609687 A CN 112609687A CN 202011283640 A CN202011283640 A CN 202011283640A CN 112609687 A CN112609687 A CN 112609687A
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- Prior art keywords
- pile
- phc tubular
- tubular pile
- phc
- casing
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- 238000010276 construction Methods 0.000 title claims abstract description 39
- 230000001681 protective effect Effects 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 40
- 239000002689 soil Substances 0.000 claims abstract description 32
- 238000003466 welding Methods 0.000 claims description 20
- 210000001503 joint Anatomy 0.000 claims description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 9
- 230000003068 static effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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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
- E02D5/50—Piles comprising both precast concrete portions and concrete portions cast in situ
-
- 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
- E02D5/385—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with removal of the outer mould-pipes
-
- 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
- E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
- E02D5/523—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments composed of segments
- E02D5/526—Connection means between pile segments
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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
- E02D5/58—Prestressed concrete piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
Landscapes
- 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 relates to a PHC tubular pile planting construction method, which comprises the following steps: providing a pile casing, and screwing the pile casing into a soil body according to a preset position and a preset elevation of the PHC pipe pile; digging out soil in the casing; pouring a protective material into the protective cylinder, wherein the height of the poured protective material is lower than that of the protective cylinder; providing a PHC tubular pile, and lifting the PHC tubular pile into a protective cylinder to enable the PHC tubular pile to reach the preset elevation of the PHC tubular pile; and pouring concrete into the PHC tubular pile until the top of the PHC tubular pile, thereby completing the pile planting of the PHC tubular pile. Along with the PHC tubular pile constantly immerses the protective material, the bond wrapping effect of protective material to the PHC tubular pile also constantly strengthens, and the PHC tubular pile can avoid the skew of PHC tubular pile in the horizontal direction under the protective material bond wrapping effect for the PHC tubular pile can only sink in the protective material along vertical direction under its dead weight effect gradually, thereby can ensure the effect that the PHC tubular pile planted the stake.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a PHC pipe pile planting construction method.
Background
With the rapid development of national strength and economy in China, the PHC tubular pile foundation is widely applied to such areas by the characteristics of standardized production of components and factories, high integration degree of field resources, low unit bearing capacity cost, suitability for sandy soil or clay geological construction and the like.
At present, the construction method of the domestic existing PHC tubular pile mainly comprises two methods: static pressure and hammering. In the static pressure method and the hammering method, the PHC pipe pile is easy to shift or break under the resistance action of the soil body or the hammering action force in the process of sinking the soil body, thereby affecting the pile forming quality of the pipe pile.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a PHC tubular pile planting construction method to solve the problems that the PHC tubular pile is easy to deviate and break in the existing PHC tubular pile construction.
In order to achieve the purpose, the invention provides a PHC tubular pile planting construction method, which comprises the following steps:
providing a pile casing, and screwing the pile casing into a soil body according to a preset position and a preset elevation of the PHC pipe pile;
digging out soil in the casing;
pouring a protective material into the pile casing, wherein the height of the poured protective material is lower than that of the pile casing;
providing a PHC tubular pile, and lifting the PHC tubular pile into the pile casing to enable the PHC tubular pile to reach the preset elevation of the PHC tubular pile; and
and pouring concrete into the PHC tubular pile until the top of the PHC tubular pile, so as to complete pile planting of the PHC tubular pile.
According to the invention, the pile casing is screwed into the soil body, and the soil body in the pile casing is dug out for implanting the PHC tubular pile into the pile casing, so that the pile casing plays a role in protecting and guiding the PHC tubular pile.
The PHC tubular pile planting construction method is further improved in that,
when pouring the protective material into the casing, pouring the protective material to one third of the height of the casing.
The PHC tubular pile planting construction method is further improved in that,
and the protective material poured into the pile casing is concrete or fiber concrete.
The PHC tubular pile planting construction method is further improved in that,
before the protective material solidifies, the PHC tubular pile is lifted into the pile casing and is made to reach the preset elevation of the PHC tubular pile.
The PHC tubular pile planting construction method is further improved in that,
and providing a long spiral pile machine, and digging out the soil in the pile casing by utilizing the long spiral pile machine.
The PHC tubular pile planting construction method is further improved in that,
after the soil in the pile casing is dug out, the long spiral pile machine is utilized to fill the protective material into the pile casing in a pressing way, and a drill rod of the long spiral pile machine is lifted synchronously;
and after the pressure filling of the protective material is finished, lifting the drill rod out of the protective cylinder.
The PHC tubular pile planting construction method is further improved in that the PHC tubular pile providing steps comprise:
and providing a plurality of sections of unit piles, and connecting the plurality of unit piles in a butt joint mode end to form the PHC tubular pile.
The PHC tubular pile planting construction method is further improved in that,
when the unit piles are in butt joint connection, a welding hole is formed by excavating on the ground, one unit pile to be in butt joint is hung into the welding hole, the top end of the unit pile is exposed out of the welding hole, the other unit pile to be in butt joint is hung, and the bottom end of the other unit pile to be in butt joint is in butt joint connection with the top end of the unit pile located in the welding hole.
The PHC tubular pile planting construction method is further improved in that,
after concrete is poured into the PHC tubular pile, the pile casing is pulled out, and concrete is poured between the PHC tubular pile and the surrounding soil body.
The PHC tubular pile planting construction method is further improved in that,
will the PHC tubular pile is hung and is put into when protecting in the section of thick bamboo, let the bottom of PHC tubular pile sink to protect the bottom of section of thick bamboo to the mode of hitting down through the weight is pushed down the PHC tubular pile so that the PHC tubular pile reaches the preset elevation of PHC tubular pile.
Drawings
Fig. 1 is a schematic view of the PHC pile planting construction method of the present invention after pouring a protective material into the pile casing.
Fig. 2 is a schematic view of welding two sections of unit piles in the PHC pile planting construction method of the present invention.
Fig. 3 is a schematic structural view of three-section unit piles welded in the PHC pile planting construction method of the present invention.
In the figure: PHC tubular pile-1, unit pile-11, pile casing-2, protective material-3 and long screw pile machine-4.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a PHC tubular pile planting construction method which is used for planting a PHC tubular pile into a soil body. According to the invention, the pile casing is sunk in the soil body, the soil body in the pile casing is dug out for implanting the PHC tubular pile into the pile casing, and the pile casing plays a role in protecting and guiding the PHC tubular pile.
The PHC pipe pile planting construction method of the present invention will be described below with reference to the accompanying drawings.
Referring to fig. 1, in this embodiment, a PHC tubular pile planting construction method includes the following steps:
providing a pile casing 2, and screwing the pile casing 2 into a soil body according to the preset position and the preset elevation of the PHC tubular pile 1. Preferably, the top end of the casing 2 is flush with the ground.
Digging out the soil in the casing 2.
And pouring the protective material 3 into the pile casing 2, so that the height of the poured protective material 3 is lower than that of the pile casing 2.
Providing a connected PHC tubular pile 1, and lifting the PHC tubular pile 1 into a protective cylinder 2 to enable the PHC tubular pile 1 to reach the preset elevation of the PHC tubular pile 1.
And pouring concrete into the PHC tubular pile 1 to the top of the PHC tubular pile 1, thereby completing the pile planting of the PHC tubular pile 1.
In the embodiment, the protection cylinder 2 is sunk in the soil body, the soil body in the protection cylinder 2 is dug out, so that the PHC tubular pile 1 is planted into the protection cylinder 2, the protection cylinder 2 plays a role in protecting and guiding the PHC tubular pile 1, the PHC tubular pile 1 is not required to be tightly extruded by the static pressure method and the hammering method to be buried and fixed in the soil body, the PHC tubular pile 1 is continuously immersed into the protection material 3 along with the PHC tubular pile 1, the wrapping effect of the protection material 3 on the PHC tubular pile 1 is continuously enhanced, the PHC tubular pile 1 can avoid the deviation of the PHC tubular pile 1 in the horizontal direction under the wrapping effect of the protection material 3, the PHC tubular pile 1 can only gradually sink in the protection material 3 along the vertical direction under the self-weight effect of the PHC tubular pile 1, and the pile planting effect of the PHC tubular pile 1 can be ensured.
Referring to fig. 1, in the present embodiment, when pouring the protective material 3 into the casing 2, the protective material 3 is poured to a third of the height of the casing 2.
Preferably, the height of the poured protective material 3 is equal to or greater than one third of the height of the casing 2 and equal to or less than one half of the height of the casing 2.
Further, the protective material 3 is poured into the pile casing 2 and is concrete or fiber concrete. The PHC tubular pile 1 can be prevented from shifting in the horizontal direction under the action of the bond force of the concrete or the fiber concrete on the PHC tubular pile 1.
Referring to fig. 1, further, before the protective material 3 is solidified, the PHC pile 1 is lifted into the casing 2 to reach a preset elevation of the PHC pile 1.
Referring to fig. 1, in the present embodiment, a long screw pile machine 4 is provided, and the soil body in the casing 2 is dug out by using the long screw pile machine 4.
Referring to fig. 1, further, after the soil in the casing 2 is dug out, the casing 2 is pressurized with the protective material 3 by the long screw pile machine 4, and the drill rod of the long screw pile machine 4 is lifted synchronously.
Referring to fig. 2 and 3, further, after the pressure filling of the protective material is completed, the drill rod is lifted out of the casing 2.
Referring to fig. 2 and 3, in the present embodiment, the step of providing the PHC pile includes:
and providing a plurality of sections of unit piles, and connecting the plurality of unit piles in a head-to-tail butt joint manner to form the PHC tubular pile.
Referring to fig. 2 and 3, further, when the unit piles 11 are butt-jointed, a welding hole is dug on the ground, one unit pile 11 to be butt-jointed is hung in the welding hole, the top end of the unit pile 11 is exposed out of the welding hole, the other unit pile 11 to be butt-jointed is hung, and the bottom end of the other unit pile to be butt-jointed is butt-jointed with the top end of the unit pile 11 located in the welding hole. By the method, quick welding connection of a plurality of unit piles 11 can be realized.
Referring to fig. 2 and 3, in the present embodiment, the unit piles 11 are three-sectioned, a first welding hole is formed by excavating, a first section of the unit pile 11 is hung in the first welding hole, and the top end of the first section of the unit pile 11 is exposed to the outside of the welding hole by 1m, a second section of the unit pile 11 is hung above the first section of the unit pile 11, and the top end of the first section of the unit pile 11 is welded to the bottom end of the second section of the unit pile 11, a second welding hole is formed by excavating, the first section of the unit pile 11 and the second section of the unit pile 11 which are welded to each other are hung in the second welding hole, and the top end of the second section of the unit pile 11 is exposed to the outside of the welding hole by 1m, and a third section of the unit pile 11 is hung above the second section of the unit pile 11, and the top end of the second section of the unit pile 11 is welded.
In this embodiment, the construction method includes the steps of:
and (4) pulling out the pile casing 2, and pouring concrete into a gap between the PHC tubular pile 1 and the surrounding soil body.
Preferably, the construction method comprises the following steps:
when the PHC tubular pile 1 is lifted into the pile casing 2, the bottom of the PHC tubular pile 1 is sunk to the bottom of the pile casing 2, and the PHC tubular pile 1 is pressed down in a heavy hammer low-impact mode so that the PHC tubular pile 1 reaches the preset elevation of the PHC tubular pile 1.
By adopting the technical scheme, the invention has the following beneficial effects:
according to the invention, the pile casing is sunk in the soil body and the soil body in the pile casing is dug out for planting the PHC pile into the pile casing, the pile casing plays a role in protecting and guiding the PHC pile, the PHC pile is buried and fixed in the soil body without being compacted by the static pressure method and the hammering method, the wrapping effect of the PHC pile by the protective material is also continuously enhanced as the PHC pile is continuously immersed in the protective material, the PHC pile can avoid the deviation of the PHC pile in the horizontal direction under the wrapping effect of the protective material, so that the PHC pile can only gradually sink in the protective material in the vertical direction under the self-weight effect of the PHC pile, and the pile planting effect of the PHC pile can be ensured. The application need not a large amount of hammering constructions, and the construction noise is little, digs out through the soil body that will protect in the section of thick bamboo, can directly implant the PHC tubular pile and protect in the section of thick bamboo, has improved construction speed.
Claims (10)
1. A PHC tubular pile planting construction method is characterized by comprising the following steps:
providing a pile casing, and screwing the pile casing into a soil body according to a preset position and a preset elevation of the PHC pipe pile;
digging out soil in the casing;
pouring a protective material into the pile casing, wherein the height of the poured protective material is lower than that of the pile casing;
providing a PHC tubular pile, and lifting the PHC tubular pile into the pile casing to enable the PHC tubular pile to reach the preset elevation of the PHC tubular pile; and
and pouring concrete into the PHC tubular pile until the top of the PHC tubular pile, so as to complete pile planting of the PHC tubular pile.
2. The PHC tubular pile planting construction method according to claim 1,
when pouring the protective material into the casing, pouring the protective material to one third of the height of the casing.
3. The PHC tubular pile planting construction method according to claim 1 or 2,
and the protective material poured into the pile casing is concrete or fiber concrete.
4. The PHC tubular pile planting construction method according to claim 1,
before the protective material solidifies, the PHC tubular pile is lifted into the pile casing and is made to reach the preset elevation of the PHC tubular pile.
5. The PHC tubular pile planting construction method according to claim 1,
and providing a long spiral pile machine, and digging out the soil in the pile casing by utilizing the long spiral pile machine.
6. The PHC tubular pile planting construction method according to claim 5,
after the soil in the pile casing is dug out, the long spiral pile machine is utilized to fill the protective material into the pile casing in a pressing way, and a drill rod of the long spiral pile machine is lifted synchronously;
and after the pressure filling of the protective material is finished, lifting the drill rod out of the protective cylinder.
7. The PHC pile planting construction method according to claim 1, wherein the step of providing the PHC pile comprises:
and providing a plurality of sections of unit piles, and connecting the plurality of unit piles in a butt joint mode end to form the PHC tubular pile.
8. The PHC tubular pile planting construction method according to claim 7,
when the unit piles are in butt joint connection, a welding hole is formed by excavating on the ground, one unit pile to be in butt joint is hung into the welding hole, the top end of the unit pile is exposed out of the welding hole, the other unit pile to be in butt joint is hung, and the bottom end of the other unit pile to be in butt joint is in butt joint connection with the top end of the unit pile located in the welding hole.
9. The PHC tubular pile planting construction method according to claim 1,
after concrete is poured into the PHC tubular pile, the pile casing is pulled out, and concrete is poured between the PHC tubular pile and the surrounding soil body.
10. The PHC tubular pile planting construction method according to claim 1,
will the PHC tubular pile is hung and is put into when protecting in the section of thick bamboo, let the bottom of PHC tubular pile sink to protect the bottom of section of thick bamboo to the mode of hitting down through the weight is pushed down the PHC tubular pile so that the PHC tubular pile reaches the preset elevation of PHC tubular pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011283640.XA CN112609687A (en) | 2020-11-17 | 2020-11-17 | PHC pipe pile planting construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011283640.XA CN112609687A (en) | 2020-11-17 | 2020-11-17 | PHC pipe pile planting construction method |
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| CN112609687A true CN112609687A (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011283640.XA Pending CN112609687A (en) | 2020-11-17 | 2020-11-17 | PHC pipe pile planting construction method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203007940U (en) * | 2012-11-22 | 2013-06-19 | 中国建筑第八工程局有限公司 | Tubular pile protection structure in side slope hammering construction |
| CN104404956A (en) * | 2014-11-20 | 2015-03-11 | 张红 | Construction method for pedestal piles |
| CN106087998A (en) * | 2016-08-11 | 2016-11-09 | 刘从波 | A kind of construction method combining multiple tube pile foundation |
| CN109371974A (en) * | 2018-10-25 | 2019-02-22 | 广西建工集团基础建设有限公司 | A kind of PHC tubular pole implantation construction method suitable for hard geology |
-
2020
- 2020-11-17 CN CN202011283640.XA patent/CN112609687A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203007940U (en) * | 2012-11-22 | 2013-06-19 | 中国建筑第八工程局有限公司 | Tubular pile protection structure in side slope hammering construction |
| CN104404956A (en) * | 2014-11-20 | 2015-03-11 | 张红 | Construction method for pedestal piles |
| CN106087998A (en) * | 2016-08-11 | 2016-11-09 | 刘从波 | A kind of construction method combining multiple tube pile foundation |
| CN109371974A (en) * | 2018-10-25 | 2019-02-22 | 广西建工集团基础建设有限公司 | A kind of PHC tubular pole implantation construction method suitable for hard geology |
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