CN106988300B - A kind of soft soil foundation bored concrete pile horizontal bearing reinforcement and its construction method - Google Patents
A kind of soft soil foundation bored concrete pile horizontal bearing reinforcement and its construction method Download PDFInfo
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- CN106988300B CN106988300B CN201710155308.7A CN201710155308A CN106988300B CN 106988300 B CN106988300 B CN 106988300B CN 201710155308 A CN201710155308 A CN 201710155308A CN 106988300 B CN106988300 B CN 106988300B
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- wing plate
- hoop
- horizontal bearing
- bored concrete
- concrete 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
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- Engineering & Computer Science (AREA)
- General 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)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of soft soil foundation bored concrete pile horizontal bearing reinforcement and its construction method, which includes one group of structure and size wing plate all the same and a hoop, and wing plate is evenly arranged in the side of hoop, is provided with aperture on wing plate；Wing plate is class fillet trapezoid, and the short side of wing plate is provided with card slot, has been uniformly arranged along the circumference on hoop and has realized hingedly with the consistent double wedge of wing plate quantity, the clearance fit for passing through card slot and double wedge between wing plate and hoop；The wing plate can realize the rotation within the scope of 90 ° relative to hoop.The present invention solve long-standing bored concrete pile horizontal bearing capacity promoted and it is single by increase the waste of stake diameter bring cost and special-shaped pile foundation special construction must be relied on to equip again between contradiction；Horizontal bearing reinforcement is collectively formed using wing plate, hoop and grouting concrete in the method for the present invention, realizes the promotion of bored concrete pile horizontal bearing capacity, also enhances vertical bearing capacity, and equip without specific pile foundation construction, installation method is simple, efficient quick.
Description
Technical field
The present invention relates to the construction bearing safety problems of construction, pile foundation engineering technique more particularly to bored concrete pile, specifically
Say it is a kind of soft soil foundation bored concrete pile horizontal bearing reinforcement and its construction method.
Background technique
With the development and utilization of the extensive land resource in China, pile foundation becomes the main supporting body of all kinds of engineering constructions, it
It is widely used in the fields such as skyscraper, highway bridge, wind power foundation.Pile foundation is in addition to bearing vertical load, in many situations
Under (for example, earthquake load, wind load, neighbouring preloading, it is neighbouring excavate, slope protection is reinforced etc.) still suffer from certain horizontal loading.
Cast-in-situ bored pile is easy for construction with its, and bearing capacity is high and is used widely.In recent years, the quickening of urbanization process and environment control
The high stringency of system, stable to the bearing safety of pile foundation more stringent requirements are proposed.The mechanism and design of pile foundation vertical carrying are applied
Work has been approached maturing, on key element the considerations of horizontal bearing performance as influence buildings or structures safety and effectivity.Pile foundation
Horizontal bearing is mainly controlled by a certain range of soil layer in top, and the non-linear of the soil body, layering, elastoplasticity are piles under lateral load
Where the difficult point of design.To improve pile foundation level bearing capacity, conventional method, which mainly passes through, increases stake diameter, and it is rigid to increase pile body itself
Degree, or the measures such as local stiffening are carried out come what is realized to Pile side soil body, often cost is too high for such way, low efficiency, and
It should not construct on a large scale.In terms of modern pile foundation development, the novel pile researched and developed to improve vertical bearing capacity is also concentrated on mostly
Base, including support disk pile, bamboo joint pile, wedge pile, Y type stake etc..The above abnormal shape pile foundation is also right while promoting vertical bearing capacity
The promotion of pile foundation level bearing capacity is contributed, but the problem is that, these pile-type must rely on special construction equipment, construction
Complicated for operation, pile quality is also relatively difficult to guarantee.
Summary of the invention
Goal of the invention: being directed to bored concrete pile horizontal bearing safety problem, and the present invention provides a kind of special, targetedly soft
Soil base bored concrete pile horizontal bearing reinforcement and its construction method.
Technical solution: to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of soft soil foundation bored concrete pile horizontal bearing reinforcement, including one group of structure and size wing plate all the same and one
Hoop, wing plate are evenly arranged in the side of hoop, are provided with aperture on wing plate；The wing plate be class fillet trapezoid, wing plate it is short
While be provided with card slot, be uniformly arranged along the circumference on hoop with the consistent double wedge of wing plate quantity, pass through card between wing plate and hoop
The clearance fit of slot and double wedge is realized hinged；When not by external force, the wing plate freely hangs, and wing plate can be with respect to hoop reality
Rotation within the scope of existing 90 °, it may be assumed that wing plate upper surface by downward pressure make wing plate inwardly, be rotated down, when rotation is to most
When big position, the angle of wing plate and hoop vertical plane is denoted as α, 0≤α≤5 °；Wing plate lower surface is upwarded pressure so that the wing
Plate rotates outward, upwards, and when rotation to maximum position, the angle of wing plate and hoop vertical plane is denoted as β；α<β≤90°.
Specifically, there is overlap joint between adjacent two panels wing plate when the angle of wing plate and hoop vertical plane is α；Faying surface
Product is greater than the 1/4 of monolithic area of foil, and preferably overlapping area is 1/3.
Specifically, there are still overlap joints between adjacent two panels wing plate when the angle of wing plate and hoop vertical plane is β.
Specifically, the hoop is the structure of two sections of semi-rings, rotatable hinge is realized by rivet in one end of two sections of semi-rings
It connects, the other end of two sections of semi-rings realizes dismountable connection by bolt.
Specifically, being provided with ribbing muscle on the wing plate.
A kind of construction method of soft soil foundation bored concrete pile horizontal bearing reinforcement, includes the following steps:
Step1: releasing the connection of bolt, hoop open in the case where, wing plate is installed on hoop, check wing plate around
The rotation situation of hoop guarantees mutual overlap joint and synchronous opening, condensation property between adjacent vanes；
Step2: hoop and wing plate integrally being enclosed and are suspended on steel reinforcement cage, are closed the connection of bolt, while passing through iron wire for ring
In hoop binding to the main reinforcement of steel reinforcement cage；
Step3: by hoop, wing plate and steel reinforcement cage integrally transfer to drilling designated position, steel reinforcement cage placement after the completion of under
Put Grouting Pipe；
Step4: the slip casting into drilling by Grouting Pipe, slurries are from slip casting bottom of the tube to outflow on the outside of Grouting Pipe and back up
It rises, wing plate opens under the uplift pressure that slurries go up, at umbrella shaped support in drilling；
Step5: continuing slip casting, opens the wing plate of vertically arranged all different depths all；
Step6: slip casting terminates, and all wing plates and hoop are finally wrapped up by slurries and solidifying, and is collectively formed and is conducive to pile foundation water
The reinforced-concrete reinforcement of flat carrying.
Specifically, being controlled primarily by a certain range of pile-soil interaction in top in view of pile foundation level carrying influences, because
This described wing plate can be arranged only within the scope of 5 times of bore diameters on pile foundation top.
The utility model has the advantages that soft soil foundation bored concrete pile horizontal bearing reinforcement provided by the invention and its construction method, solve
Long-standing bored concrete pile horizontal bearing capacity, which is promoted, again must with single by increasing the waste of stake diameter bring cost and special-shaped pile foundation
It must be by the contradiction between special construction equipment；The method of the present invention is collectively formed level using wing plate, hoop and grouting concrete and holds
Reinforcement is carried, the promotion of bored concrete pile horizontal bearing capacity is realized, also enhances vertical bearing capacity, and fill without specific pile foundation construction
Standby, installation method is simple, efficient quick.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of soft soil foundation bored concrete pile horizontal bearing reinforcement and steel reinforcement cage entirety of the invention；
Fig. 2 is the structural schematic diagram of hoop；
Fig. 3 is the structural schematic diagram of wing plate；
Fig. 4 is the connection schematic diagram of hoop and wing plate；
Fig. 5 is the structural schematic diagram of hoop and wing plate entirety；
Fig. 6 is hoop and the whole status diagram when binding completion on steel reinforcement cage of wing plate；
Fig. 7 is the variation schematic diagram of wing plate during slip casting；
Fig. 8 is the overall schematic after the completion of pile foundation construction.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
It is as shown in Figure 1 a kind of soft soil foundation bored concrete pile horizontal bearing reinforcement, it is all the same including one group of structure and size
Wing plate 1 and a hoop 2, wing plate 1 are evenly arranged in the side of hoop 2, aperture 3 are provided on wing plate 1；The wing plate 1 is class
Fillet trapezoid, the short side of wing plate 1 are provided with card slot 10, have been uniformly arranged along the circumference on hoop 2 and the consistent double wedge of 1 quantity of wing plate
9, it is realized hingedly between wing plate 1 and hoop 2 by the clearance fit of card slot 10 and double wedge 9；When not by external force, the wing plate 1
It freely hangs, and wing plate 1 can realize the rotation within the scope of 90 ° relative to hoop 2, it may be assumed that 1 upper surface of wing plate is by downward pressure
So that wing plate 1 is inside, is rotated down, when rotation to maximum position, the angle of wing plate 1 and 2 vertical plane of hoop is denoted as α, 0≤α
≤5°；1 lower surface of wing plate upwarded pressure so that wing plate 1 outward, rotation upwards, when rotation is to maximum position, wing plate 1
β is denoted as with the angle of 2 vertical plane of hoop；α<β≤90°.
A kind of construction method of soft soil foundation bored concrete pile horizontal bearing reinforcement, includes the following steps:
Step1: releasing the connection of bolt 8, and in the case where hoop 2 is opened, wing plate 1 is installed on hoop 2, checks the wing
Plate 1 guarantees the mutual overlap joint and synchronous opening, condensation property between adjacent vanes 1 around the rotation situation of hoop 2；
Step2: whole enclose of hoop 2 and wing plate 1 is suspended on steel reinforcement cage 5, is closed the connection of bolt 8, while passing through iron wire 6
Hoop 2 is bound onto the main reinforcement of steel reinforcement cage 5, as shown in Figure 6；
Step3: hoop 2, wing plate 1 and 5 entirety of steel reinforcement cage are transferred into drilling designated position, disposes and completes in steel reinforcement cage 5
Grouting Pipe 7 is transferred afterwards；
Step4: the slip casting into drilling by Grouting Pipe 7, slurries from 7 bottom of Grouting Pipe to Grouting Pipe 7 on the outside of flow out and to
Upper rise, wing plate 1 open under the uplift pressure that slurries go up, at umbrella shaped support in drilling, as shown in Figure 7；
Step5: continuing slip casting, opens the wing plate 1 of vertically arranged all different depths all；
Step6: slip casting terminates, and all wing plates 1 and hoop 2 are finally wrapped up by slurries and solidifying, and is collectively formed and is conducive to pile foundation
The reinforced-concrete reinforcement of horizontal bearing, as shown in Figure 8.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of soft soil foundation bored concrete pile horizontal bearing reinforcement, it is characterised in that: including one group of structure and size wing all the same
Plate (1) and a hoop (2), wing plate (1) are evenly arranged in the side of hoop (2), aperture (3) are provided on wing plate (1)；It is described
Wing plate (1) is class fillet trapezoid, and the short side of wing plate (1) is provided with card slot (10), has been uniformly arranged along the circumference on hoop (2) and the wing
The consistent double wedge of plate (1) quantity (9), it is real by the clearance fit of card slot (10) and double wedge (9) between wing plate (1) and hoop (2)
It is now hinged；When not by external force, the wing plate (1) freely hangs, and wing plate (1) can be realized within the scope of 90 ° with respect to hoop (2)
Rotation, it may be assumed that wing plate (1) upper surface by downward pressure make wing plate (1) inwardly, be rotated down, when rotation is to dominant bit
When setting, the angle of wing plate (1) and hoop (2) vertical plane is denoted as α, 0≤α≤5 °；Lower surface is upwarded pressure wing plate (1) makes
It obtains wing plate (1) to rotate outward, upwards, when rotation to maximum position, wing plate (1) and the angle of hoop (2) vertical plane are denoted as β；α
<β≤90°。
2. soft soil foundation bored concrete pile horizontal bearing reinforcement according to claim 1, it is characterised in that: when wing plate (1) with
When the angle of hoop (2) vertical plane is α, there is overlap joint between adjacent two panels wing plate (1).
3. soft soil foundation bored concrete pile horizontal bearing reinforcement according to claim 1, it is characterised in that: when wing plate (1) with
When the angle of hoop (2) vertical plane is β, there are still overlap joints between adjacent two panels wing plate (1).
4. soft soil foundation bored concrete pile horizontal bearing reinforcement according to claim 1, it is characterised in that: the hoop (2)
One end for the structure of two sections of semi-rings, two sections of semi-rings is rotatable hinged by rivet (4) realization, and the other end of two sections of semi-rings is logical
It crosses bolt (8) and realizes dismountable connection.
5. soft soil foundation bored concrete pile horizontal bearing reinforcement according to claim 1, it is characterised in that: the wing plate (1)
On be provided with ribbing muscle (11).
6. a kind of construction method of soft soil foundation bored concrete pile horizontal bearing reinforcement as described in claim 1, it is characterised in that:
Include the following steps:
Step1: releasing the connection of bolt (8), and in the case where hoop (2) are opened, wing plate (1) is installed on hoop (2), is examined
Wing plate (1) is looked into around the rotation situation of hoop (2), guarantees mutual overlap joint and synchronous opening, condensation property between adjacent vanes (1)；
Step2: hoop (2) and wing plate (1) are integrally enclosed and are suspended on steel reinforcement cage (5), the connection of bolt (8) is closed, passes through simultaneously
Iron wire (6) will be in hoop (2) binding to the main reinforcement of steel reinforcement cage (5)；
Hoop (2), wing plate (1) and steel reinforcement cage (5): integrally being transferred to drilling designated position by Step3, is disposed in steel reinforcement cage (5)
Transfer Grouting Pipe (7) after the completion；
Step4: by Grouting Pipe (7) slip casting into drilling, slurries flow out simultaneously from Grouting Pipe (7) bottom to Grouting Pipe (7) outside
Go up upwards, wing plate (1) opens under the uplift pressure that slurries go up, at umbrella shaped support in drilling；
Step5: continuing slip casting, opens the wing plate (1) of vertically arranged all different depths all；
Step6: slip casting terminates, and all wing plates (1) and hoop (2) are finally wrapped up by slurries and solidifying, and is collectively formed and is conducive to pile foundation
The reinforced-concrete reinforcement of horizontal bearing.
7. the construction method of soft soil foundation bored concrete pile horizontal bearing reinforcement according to claim 6, it is characterised in that: institute
Wing plate (1) is stated to be arranged within the scope of 5 times of bore diameters on pile foundation top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710155308.7A CN106988300B (en) | 2017-03-15 | 2017-03-15 | A kind of soft soil foundation bored concrete pile horizontal bearing reinforcement and its construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710155308.7A CN106988300B (en) | 2017-03-15 | 2017-03-15 | A kind of soft soil foundation bored concrete pile horizontal bearing reinforcement and its construction method |
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| Publication Number | Publication Date |
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| CN106988300A CN106988300A (en) | 2017-07-28 |
| CN106988300B true CN106988300B (en) | 2019-04-30 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914396B (en) * | 2019-02-19 | 2021-01-05 | 建研地基基础工程有限责任公司 | Construction design and manufacturing construction method for bored pile reinforcement cage |
| CN110904952B (en) * | 2019-12-04 | 2021-07-20 | 大成科创基础建设股份有限公司 | Horizontal bearing reinforcement for soft soil foundation filling pile |
| CN113026460B (en) * | 2019-12-25 | 2022-06-14 | 河海大学 | High moisture content peat soil foundation assembled reinforcing apparatus |
| CN114718095A (en) * | 2021-01-04 | 2022-07-08 | 连云港华云桩业有限公司 | Pile foundation structure suitable for soft foundation and construction method |
| CN113062310B (en) * | 2021-04-07 | 2022-04-05 | 中铁广州工程局集团有限公司 | Super-large and multilayer karst cave crossing construction process for highway bridge pile foundation |
| CN114753399B (en) * | 2022-04-18 | 2023-05-16 | 中交第二公路工程局有限公司 | Maintenance structure and construction method for treating coastal high organic matter soft soil foundation by DSM cement mixing piles |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115347A (en) * | 1995-06-23 | 1996-01-24 | 西诺国际顾问(武汉)有限公司 | Wing disk-shape concrete casting pile and its operation method |
| JP2010106546A (en) * | 2008-10-30 | 2010-05-13 | Railway Technical Res Inst | Method of constructing foundation in structure, and foundation structure |
| CN205062810U (en) * | 2015-10-21 | 2016-03-02 | 江国华 | End support type screw thread core composite pile's construction equipment |
-
2017
- 2017-03-15 CN CN201710155308.7A patent/CN106988300B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115347A (en) * | 1995-06-23 | 1996-01-24 | 西诺国际顾问(武汉)有限公司 | Wing disk-shape concrete casting pile and its operation method |
| JP2010106546A (en) * | 2008-10-30 | 2010-05-13 | Railway Technical Res Inst | Method of constructing foundation in structure, and foundation structure |
| CN205062810U (en) * | 2015-10-21 | 2016-03-02 | 江国华 | End support type screw thread core composite pile's construction equipment |
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| CN106988300A (en) | 2017-07-28 |
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