CN207525741U - A kind of plastic sheath pile pile - Google Patents
A kind of plastic sheath pile pile Download PDFInfo
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- CN207525741U CN207525741U CN201721396414.6U CN201721396414U CN207525741U CN 207525741 U CN207525741 U CN 207525741U CN 201721396414 U CN201721396414 U CN 201721396414U CN 207525741 U CN207525741 U CN 207525741U
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- pile
- cover
- plastic
- plastic bushing
- plastic sheath
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Abstract
The utility model discloses a kind of plastic sheath pile piles, it is related to pile tube technical field, the stake includes pile top, pile body and pile cover, pile top is round table-like, and pile body is rectangular-shape cylindric, that pile top is cylindric or section is square, pile top, pile body, pile cover are sequentially connected setting from bottom to top, pile top, pile body and pile cover three are an integral structure and are concrete material, and arrangement of reinforcement is equipped in pile body and pile cover, and plastic bushing is also cased on the pile body.Very good using effect, project cost after this work, the settlement after construction and jump vehicle phenomenon in treatment of soft foundation section have obtained good solution.
Description
Technical field
The utility model is related to pile tube technical fields.
Background technology
In China, the ground foundation of Bohai Rim bank is essentially coast with silty mud sediment and gravel matter seashore, basis itself
Weakness must carry out consolidation process when this area builds high-grade highway to ground.
The processing mode of soft base is mainly solved using rigid composite foundation processing method, and common have the prestressing force prefabricated
Thin-wall pipe pile, cast-in-situ concrete thin-wall pipe pile, cement mixing method etc..These stakes mostly have stronger rigidity, can be effectively right
Composite foundation carries out consolidation process, and the depth of processing is relatively deep, duration shorter the advantages of being them.But using at these method soft bases
Effect, project cost etc. are not very ideal after work after reason, the settlement after construction in treatment of soft foundation section and jump vehicle phenomenon still ten
Divide serious.
So a kind of pile pile that can be solved the above problems is needed now.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of plastic sheath pile piles, can solve the above problems.
The technical solution is a kind of plastic sheath pile pile, which includes pile top, pile body and pile cover, the pile top to be round table-like,
The pile body is cylindric, the pile top is cylindric or section is square rectangular-shape, the pile top, pile body, pile cover
It is sequentially connected setting from bottom to top, the pile top, pile body and pile cover three are an integral structure and are concrete material, in institute
It states in pile body and pile cover and is equipped with arrangement of reinforcement, plastic bushing is also cased on the pile body.
Preferably, the radius of the pile body is less than the radius in the larger face of the pile top, the pile body and the pile top compared with
Big face connection and the two coaxial arrangement.
Preferably, the larger face of the pile top is equipped with the retainer ring of annular, and the retainer ring is concrete material and and pile top
It is an integral structure, the outer diameter of the retainer ring is equal to the internal diameter of plastic bushing, and the plastic bushing is stuck on the retainer ring and leads to
Cross gluing knot.
Preferably, the arrangement of reinforcement includes the steel reinforcement cage being arranged in the pile body and the netted muscle being arranged in pile cover, institute
It states steel reinforcement cage and netted muscle is connected with each other.
Preferably, the plastic bushing be pvc pipe, the plastic bushing be single-walled pipe, the inside and outside wall of the plastic bushing
It is threaded.
Preferably, the pile top is concrete prefabricated, and the pile body and pile cover are built for concrete cast-in-situ.
The advantageous effect of the utility model is (1), there is convenient, environmental protection:Static pressure pile-sinking is taken to construct in construction, first
Then sinking sleeve carries out pile concrete cast in situs, construction equipment noise is small, and construction speed is fast, easy to operate, to ring around
Border influence is small, pollution is small.(2), there is the features such as whole quality of pile is higher, and soft foundation treatment effect is preferable:PTTC with conventional vibration
Immersed tube in situ concrete pile gives full play to external screw-thread and the larger frictional resistance of the periphery soil body compared to single wall screw plastic casing is increased
Power acts on, and improves bearing capacity, reliable in quality.Construction quality is easy to control, whole quality of pile is higher, soft foundation treatment effect compared with
It is good.(3), there is the features such as construction speed is fast, easily controllable, project cost is relatively low:Casing can be first set in batch, then is filled in batch
Concrete is noted, construction speed is easily controllable, and construction speed is very fast.And stake is long and pile strength can become according to geological conditions scene
Intensity becomes the long adjusted design of stake, adaptable while relatively low project cost.
Description of the drawings
The structure diagram of Fig. 1 the utility model.
Wherein, 1, pile top, 2, pile body, 3, pile cover, 4, plastic bushing.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description:As shown in Figure 1
A kind of plastic sheath pile pile, the stake include pile top 1, pile body 2 and pile cover 3, and the pile top 1 is round table-like, and the pile body 2 is cylinder
Shape, the pile top 1 for cylindric or section be square rectangular-shape, the pile top 1, pile body 2, pile cover 3 from bottom to top according to
Secondary connection setting, the pile top 1, pile body 2 and 3 three of pile cover are an integral structure and are concrete material, in the pile body 2
Arrangement of reinforcement is equipped with in pile cover 3, plastic bushing 4 is also cased on the pile body 2.
The radius of the pile body 2 is less than the radius in the larger face of the pile top, the pile body 2 and the larger face of the pile top 1
Connection and the two coaxial arrangement.
The larger face of the pile top 1 is equipped with the retainer ring of annular, and the retainer ring is integrated for concrete material and with pile top 1
Formula structure, the outer diameter of the retainer ring are equal to the internal diameter of plastic bushing 4, and the plastic sheath 4 is stuck on the retainer ring and passes through gluing
Knot.
The arrangement of reinforcement includes the steel reinforcement cage being arranged in the pile body 2 and the netted muscle being arranged in pile cover 3, the reinforcing bar
Cage and netted muscle are connected with each other.
The plastic bushing 4 be pvc pipe, the plastic bushing 4 be single-walled pipe, the equal band of inside and outside wall of the plastic bushing 4
There is screw thread.
The pile top 1 is concrete prefabricated, and the pile body 2 and pile cover 3 are built for concrete cast-in-situ.
The installation process of the pile pile is:A kind of plastic bushing pile driving construction engineering method, the engineering method include the following steps:
1) pile top is made;Pile top is concrete material, and the pile top is truncated cone-shaped,
2) pile top is connect with plastic bushing;Plastic bushing material is PVC, and the plastic bushing is larger with the pile top
The center in face connects and axis is vertical with larger face.
3) stake machine is in place, centering, and plastic bushing is inserted into immersed tube;After plastic bushing is completely inserted into immersed tube, immersed tube is withstood
The larger face of the pile top, the surfaces externally and internally of the plastic bushing are threaded, 4) using stake machine by pile top and plastic bushing
Squeeze into reinforcement depth, while the water filling into plastic bushing;
5) immersed tube, the displacement of stake machine are promoted out on, drawn water to plastic bushing, cut pipe and check;
6) cover board soil box is excavated at plastic bushing exposing to make cover board clay model or install the cover board mould of finished product, then matched
Then muscle carries out pouring for concrete;The concrete is that standard is C30, and arrangement of reinforcement includes laying steel reinforcement cage in plastic bushing
With the laying cover board muscle in cover board clay model or cover board mould, the immersed tube is steel pipe, and the internal diameter of the immersed tube is outer compared with plastic bushing
The big 1cm of diameter, if using cover board clay model, cover board clay model is a diameter of 50cm, and the circular groove or the length of side of a height of 20cm are 50cm, high
For the square groove of 20cm, place mat has 50mm thickness microlith melon seeds piece and 20mm solid cement mortars to do bed course, reinforcing bar in the cover board clay model
Ready-made steel reinforcement cage is put into plastic bushing by cage in-situ precast, length 3.5m, construction when, and be laid flat it is whole after can be used
Bar dowel or mortar pad are fixed temporarily, and beyond 22cm at the top of plastic bushing, bottom, top layer arrangement of reinforcement with cover board muscle connect steel reinforcement cage
It connects, protective layer is controlled using mortar pad, and protective layer thickness is not less than 25mm.
7) steel modeling grid is laid with after conserving, and connect with cover board, 20cm bed courses is laid with after health, flattens plane to flattening height
Journey.
PTTC are single wall screw plastic casing on-site concrete pile (Plast ic TubeCast-in-place
Conceret e Pile) abbreviation, it is made of pile top, plastic bushing, casing inner concrete, four part of top blind flange, presses
Certain spacing is squeezed into plastic bushing in the ground to need reinforcement, pours into a mould pile with concrete in plastic bushing, and pour into a mould lid
Plate, the method for processing foundation for being laid with bed course and TGXG formation pile formula rigid pile composite foundation.Its engineering design is plastics
Tube-in-tube pile using single wall, it is inside and outside be screw thread PVC plastic casing, cover board use C30 concretings.The stake of pipe outside diameter 16cm
Body, the size of the cover plate are 50 × 20cm of Φ;The pile body of pipe outside diameter 20cm, the size of the cover plate are 60 × 20cm of Φ.The principle of PTTC is
Plastic bushing is squeezed by root in supporting course at a certain distance using static pressure ancillary vibration hidden pipe pile machine, plastic bushing is sealed for bottom
Close, open top, after block plastic bushing to be segmented all is set, then it is unified excavate cover board clay model, place steel reinforcement cage and
Cover board arrangement of reinforcement.Unified to pour into a mould pile to the plastic bushing C30 concrete continuous being embedded in ground, plastic bushing no longer takes
Go out.After pile concrete reaches some strength, the horizontal reinforcing bodies such as steel modeling grid are laid on cover board top;Pile body, bed course, level
Reinforcing body and embankment collectively form plastic sheath pile pile geosynthetic reinforced pile supported embankments on soft soil system.
The machineries such as common board-plugging device, oscillation pipe sinking machine can be used in stake machine selection.During using vibration sinking tube machinery, it should control
The diameter of immersed tube about 1cm more bigger than single wall screw plastic casing.According to designing pile length, the bracket height and steel bushing for determining stake machine are sunk
The effective length of pipe, the bracket height of stake machine and the effective length of steel bushing immersed tube should be higher by 6~8m in configuration than designing pile length.
The scaffold reaction of bearing at the machine immersed tube of counterweight stake should be calculated and be demarcated before test pile, it is desirable that be held not less than single pile design
Carry 2 times of power.The length mark as unit of rice is drawn in stake machine rack, for being observed during immersed tube, recording embedded depth.
Levelling of the land is carried out to piling construction region, and 20cm is laid in the range of the 3m of both sides in roadbed piling construction region
Thick rubble is as bed course.Open drain and french drain around pile sinking Active workings should be set, ensured in construction site without ponding.It is heavy
Ground, underground obstacle, pipeline in the range of pile driving construction etc. should be cleared up or change shifting and finish.In the range of neighbouring pile sinking areas adjacent
Building to be protected and pipeline is needed to take suitable safeguard measure, and carry out corresponding detection.
According to the requirement that reinforcing pile is grown, by the plastic bushing of manufacture cutting (connection) into appropriate length, it is desirable that set to adding
Gu plastic bushing overhead height is high not less than the pile body top mark of requirement after depth and appropriate affluence;By the plastic bushing of well cutting with
Pile top connection sealing is secured, is then put into the plastic bushing with pile top in steel pipe from steel pipe bottom, and pile top is aligned with stake position,
The accurate precast pile tip buried of button starts immersed tube, and the stabilization of adjustment stake machine is paid attention to during immersed tube, forbids to tilt and misplace.Machinery
The subsidence velocity of immersed tube is typically about 2m/min, and motor should be started when immersed tube to designed elevation and scaffold, and original place vibration staying is not small
In 10s, to ensure that pile top enters 1.5 times of supporting course not less than stake diameter, and plastic bushing is protected in water filling, water filling is most
Whole depth should reach 500mm below nozzle absolute altitude, and the construction depth of stake is aided with penetration control, pile penetration control by designing pile length
Standard processed is:20cm or so/min, the specific Con trolling index of pile penetration can be determined according to test pile.If geological conditions and geologic prospect report
Announcement is subject to the construction depth that reality is controlled by degree of pouring into there are larger difference, it is ensured that stake end insertion design hard stratum.
Speed general control keeps uniformity in 0.8~1.0m/min, pipe-pulling speed during tube drawing, during tube drawing not
Allow anti-plug.Steel pipe is extracted and plastic bushing is stayed in into underground, telephone-moving to next position, iterative process continues embedded set
Pipe.(general plastic bushing, which stays, to be set beyond pile cover bottom absolute altitude after drawing water and extra plastic bushing being carried out section pipe and arranged
150mm), depth inspection is carried out to plastic bushing, and protects the cleaning in plastic bushing at any time, sundries is not allowed to enter as possible, it can
Using plastic film or plank covering nozzle.
1st, with the comparison of pile for prestressed pipe:Its mechanized construction degree of prestressing pipe pile construction is high, construction input is big, although
It is easy to operate, it is easy to control, it is easily guaranteed, has a wide range of application on bearing capacity, anti-bending strength, extraction-resistant behavior, but engineering is made
Valency is relatively high.
2nd, compared with cast-in-situ concrete thin-wall pipe pile:Cast-in-situ concrete thin-wall pipe pile is identical with bored pile construction mechanism, work of constructing
Skill is more ripe, and with its processed soft base, bearing capacity can obtain larger guarantee.But its construction technology is complex, and the duration takes
Longer, mud is larger to ambient contamination, and project cost is higher.
3rd, with the comparison of cement mixing pile:Cement mixing pile driving construction is simpler, and bearing power increase amplitude is big, short time limit, nothing
Soil compaction effect, construction quality are not easily controlled, and pile quality is uneven, and bearing capacity is not high, and extraction-resistant behavior is low, while to environment dirt
It contaminates larger, is suitably applied in complex ground treatment, and project cost is not also cheap.
4th, PTTC do not need to use a large amount of reinforcing bars and bulk transport as prefabricated pile and set mechanical equipment, not yet
It needs to match stake in advance, setting machinery and concrete can continuously construct so as to reduce operating expenses, can compared with pile for prestressed pipe
Saving construction cost 20%.
5th, the building wastes yield such as mud is few during PTTC pile driving constructions, and soil disturbance is small, and pollution is small, to surrounding enviroment
Influence it is small, treatment effect is apparent, is a kind of environmentally protective reinforcing soft foundation technology, have good social benefit.
6th, the construction technology construction equipment less investment, into appearance convenient transportation, technique is relatively simple.Meanwhile can first into
It criticizes and sets casing, then concrete perfusion in batch, compared with other construction technologies, the construction period is shorter, has preferable economic benefit.
The advantageous effect of the utility model is (1), there is convenient, environmental protection:Static pressure pile-sinking is taken to construct in construction, first
Then sinking sleeve carries out pile concrete cast in situs, construction equipment noise is small, and construction speed is fast, easy to operate, to ring around
Border influence is small, pollution is small.(2), there is the features such as whole quality of pile is higher, and soft foundation treatment effect is preferable:PTTC with conventional vibration
Immersed tube in situ concrete pile gives full play to external screw-thread and the larger frictional resistance of the periphery soil body compared to single wall screw plastic casing is increased
Power acts on, and improves bearing capacity, reliable in quality.Construction quality is easy to control, whole quality of pile is higher, soft foundation treatment effect compared with
It is good.(3), there is the features such as construction speed is fast, easily controllable, project cost is relatively low:Casing can be first set in batch, then is filled in batch
Concrete is noted, construction speed is easily controllable, and construction speed is very fast.And stake is long and pile strength can become according to geological conditions scene
Intensity becomes the long adjusted design of stake, adaptable while relatively low project cost.
Claims (6)
1. a kind of plastic sheath pile pile, it is characterized in that:The stake includes pile top, pile body and pile cover, and the pile top is round table-like, the stake
As cylindric, the pile top is cylindric or section is square rectangular-shape, the pile top, pile body, pile cover under to
On be sequentially connected setting, the pile top, pile body and pile cover three are an integral structure and are concrete material, in the pile body
With arrangement of reinforcement is equipped in pile cover, be also cased with plastic bushing on the pile body.
2. a kind of plastic sheath pile pile according to claim 1, it is characterized in that:The radius of the pile body be less than the pile top compared with
The radius in big face, the pile body is connect with the larger face of the pile top and the two is coaxially disposed.
3. a kind of plastic sheath pile pile according to claim 2, it is characterized in that:The larger face of the pile top is equipped with annular
Retainer ring, the retainer ring are an integral structure for concrete material and with pile top, and the outer diameter of the retainer ring is equal to the interior of plastic bushing
Diameter, the plastic bushing are stuck on the retainer ring and pass through gluing knot.
4. a kind of plastic sheath pile pile according to claim 3, it is characterized in that:The arrangement of reinforcement includes being arranged in the pile body
Steel reinforcement cage and the netted muscle that is arranged in pile cover, the steel reinforcement cage and netted muscle be connected with each other.
5. a kind of plastic sheath pile pile according to claim 4, it is characterized in that:The plastic bushing be pvc pipe, the plastics
Casing is single-walled pipe, and the inside and outside wall of the plastic bushing is threaded.
6. a kind of plastic sheath pile pile according to claim 5, it is characterized in that:The pile top is concrete prefabricated, the stake
Body and pile cover are built for concrete cast-in-situ.
Priority Applications (1)
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CN201721396414.6U CN207525741U (en) | 2017-10-24 | 2017-10-24 | A kind of plastic sheath pile pile |
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Application Number | Priority Date | Filing Date | Title |
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CN201721396414.6U CN207525741U (en) | 2017-10-24 | 2017-10-24 | A kind of plastic sheath pile pile |
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CN207525741U true CN207525741U (en) | 2018-06-22 |
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CN201721396414.6U Expired - Fee Related CN207525741U (en) | 2017-10-24 | 2017-10-24 | A kind of plastic sheath pile pile |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114808908A (en) * | 2022-05-07 | 2022-07-29 | 泰安众科建材有限公司 | Method for reinforcing soft foundation based on medium-high carbon steel wire mesh |
TWI780912B (en) * | 2021-09-15 | 2022-10-11 | 蔡景堯 | foundation pile |
-
2017
- 2017-10-24 CN CN201721396414.6U patent/CN207525741U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI780912B (en) * | 2021-09-15 | 2022-10-11 | 蔡景堯 | foundation pile |
CN114808908A (en) * | 2022-05-07 | 2022-07-29 | 泰安众科建材有限公司 | Method for reinforcing soft foundation based on medium-high carbon steel wire mesh |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20201024 |
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CF01 | Termination of patent right due to non-payment of annual fee |