CN207436048U - A kind of screw pile - Google Patents
A kind of screw pile Download PDFInfo
- Publication number
- CN207436048U CN207436048U CN201721278192.8U CN201721278192U CN207436048U CN 207436048 U CN207436048 U CN 207436048U CN 201721278192 U CN201721278192 U CN 201721278192U CN 207436048 U CN207436048 U CN 207436048U
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- Prior art keywords
- pile body
- pile
- screw
- wall
- winding
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a kind of screw piles, including pile body, helical blade are provided on pile body outer wall, the outer wall curve of helical blade along pile body winds setting from top to bottom, and feature is that drainage mechanism is provided on pile body.Advantage is that drainage mechanism is set on pile body so that screw pile possesses drain function, during piling, you can the synchronous installation for realizing drainage mechanism reduces working procedure, effectively shortens the construction time, while reduce construction cost.
Description
Technical field
The utility model is related to a kind of pile foundation engineering field, more particularly, to a kind of screw pile.
Background technology
Pile foundation refers to by stake and connects the pile framing deep foundation formed of stake top or the single-pile foundation being connected by column with pile foundation.
Screw pile is one kind in pile foundation, and environment protecting is good, noiseless, without friction, no mud emission and pollution；It is filled with common drilling
The problems such as note stake is compared, and screw pile is without clear bottom, retaining wall, collapse hole, the problems such as being not easy to generate broken pile and necking down, pile quality can
It leans on；And the pile strength of screw pile is high so that its bearing capacity is stronger.In addition, screw pile operational procedure is relatively simple, can
Project cost is substantially reduced, construction efficiency is high, and the construction period is short.The scope of application of screw pile is wider simultaneously, suitable for Muddy Bottoms
The stratum such as clay, clay, silty clay, silt, sandy soils, boulder bed and strong-weathered rock, pore-forming from underground water limit
System.Based on above-mentioned characteristic, screw pile is widely used in pile foundation engineering field as common pile foundation.
There is the soft clay region piling that a large amount of natural moisture contents are high, the compressed coefficient is high, shearing strength is relatively low, beating
It is present with apparent soil compaction phenomenon during stake, this is because the Incoercibility of soil around pile in a short time, causes soil around pile
Body generates very high excess pore water pressure, causes damage of soil body, and the unbroken soil body also can be because of the not stealpass of pore water pressure
It broadcasts and dissipates and creep, so as to cause the vertical protuberance of the soil body and the displacement of horizontal direction.Above-mentioned phenomenon can make the carrying of pile foundation
Design requirement is not achieved in power, can also make adjacent building or urban operating mechanism that inhomogeneous deformation occur, so as to cause damage.Tradition
The screw pile of structure does not possess drain function in itself, therefore during specific piling, in order to reduce pore water pressure to stake
The influence of base and surrounding soil is destroyed, it is necessary in addition bury drainage belt in the soil body, and embedded drainage belt and piling process need to divide
Operation is opened, thus can be indefinite, working procedure is more, the time is long, and construction cost is high there are draining target the problems such as.
The content of the invention
The technical problem to be solved by the utility model is to provide it is a kind of it is simple in structure, have drain function screw pile,
So as to effectively reduce working procedure, shorten the construction time, while reduce construction cost.
Technical solution is used by the utility model solves above-mentioned technical problem：
A kind of screw pile including pile body, is provided with helical blade on the pile body outer wall, the helical blade is along institute
The outer wall curve for the pile body stated winds setting from top to bottom, and drainage mechanism is provided on the pile body.
The drainage mechanism includes drainage belt, and the drainage belt is set along the winding track winding of the helical blade
It puts on the pile body outer wall.Drainage mechanism selects drainage belt, simple in structure, easy for installation, at low cost；Drainage belt is along spiral
Blade winding track winding set on pile body outer wall, installation it is simple and firm.
The drainage belt is divided into linkage section and winding section from top to bottom, and the linkage section is vertical and fitting is arranged on institute
On the pile body outer wall stated, the winding track of the winding section along the helical blade is wrapped on the pile body outer wall
And setting is bonded with the pile body outer wall, it is provided with outwards to arrange the water in the drainage belt on the linkage section
The output mechanism gone out.Drainage belt is divided into linkage section and winding section, and linkage section facilitates access for draining for being connected with output mechanism
Water in band discharges, and winding section winding is arranged on the effect that water suction is primarily served on pile body.
Connecting hole is provided on the linkage section, is provided on the pile body and the upper connection hole site phase
The upper screwed hole of cooperation is screwed onto in the upper screwed hole through the upper connecting hole by the linkage section by screw
It is fixedly mounted on the pile body；The tail end of the winding section is provided with lower connecting hole, be provided on the pile body with
The matched lower threaded hole in lower connection hole site is screwed onto the lower spiral shell through the lower connecting hole by screw
The winding section is fixedly mounted on the pile body in pit.Said structure ensures that drainage belt can be stably mounted to stake
It is easy for installation on external wall, it is at low cost.
The upper surface of the winding section is bonded setting with the lower face of the helical blade.It is twined by helical blade
Installation around section provides a upper limit, it is ensured that wind section stablizes installation.
The output mechanism includes sealing cover, the upper end of the linkage section stretch into be arranged in the sealing cover and
It is connected with the seal cap sealing, is provided with the osculum of up/down perforation on the sealing cover, it is close on the osculum
Envelope is connected with scupper hose.Above-mentioned output mechanism is simple in structure, the water in drainage belt can by the scupper hose on sealing cover to
Outer discharge, after the completion of construction, sealing cover is embedded in soil, and the end of scupper hose is stretched out outside soil, then will
The end of scupper hose is connected with external vacuum extractor, and the water in drainage belt is discharged.
The drainage belt includes quilted plastic panel, and the external cladding of the quilted plastic panel is provided with the permeable filter of filter soil
Film, the rear end face of the quilted plastic panel is planar end surface, and the front end face of the quilted plastic panel is arranged at intervals with a plurality of erect side by side
To convex ribs, form drainage channel between the convex ribs described in adjacent two.Above-mentioned drainage belt is simple in structure, the rear end of quilted plastic panel
Face is planar end surface, and installation is bonded with pile body outer wall convenient for drainage belt, it is ensured that the stability of drainage belt installation, the front end of quilted plastic panel
Face is arranged at intervals with a plurality of vertical convex ribs side by side, and drainage channel is formed between adjacent two convex ribs, facilitates through filter membrane entrance
Water inside to drainage belt can be discharged in order.
The filter membrane is knitted material using terylene nonwoven and is made.Terylene nonwoven, which knits filter membrane made of material, has preferable filter
Native water permeability.
Cushion cap is provided at the top of the pile body, the bottom of the pile body is provided with pile top, the pile top and institute
An end is provided between the pile body stated.
Compared with prior art, the utility model has the advantage of：Drainage mechanism is set on pile body so that screw pile has
Standby drain function, during piling, you can the synchronous installation for realizing drainage mechanism reduces working procedure, effectively shortens
Construction time, while reduce construction cost.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of drainage belt in the utility model；
Fig. 3 is the decomposition texture schematic diagram of the utility model main pile body；
Fig. 4 is the structure diagram that the utility model is installed in the soil body；
Fig. 5 is the enlarged structure schematic diagram at A in Fig. 2.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing embodiment.
As shown in Figures 1 to 5, including pile body 1, helical blade 2, helical-blade are provided on 1 outer wall of pile body for a kind of screw pile
The outer wall curve of piece 2 along pile body 1 winds setting from top to bottom, and drainage mechanism is provided on pile body 1.
In this particular embodiment, drainage mechanism includes drainage belt 3, and drainage belt 3 is wound along the winding track of helical blade 2
It is arranged on 1 outer wall of pile body.Drainage mechanism selects drainage belt 3, simple in structure, easy for installation, at low cost；Drainage belt 3 is along spiral
Blade 2 winding track winding set on 1 outer wall of pile body, installation it is simple and firm.
In this particular embodiment, drainage belt 3 is divided into linkage section 31 and winding section 32 from top to bottom, linkage section 31 it is vertical and
Fitting be arranged on 1 outer wall of pile body, winding section 32 along helical blade 2 winding track be wrapped on 1 outer wall of pile body and with stake
The fitting of 1 outer wall of body is set, and the output mechanism for the water in drainage belt 3 to be discharged is provided on linkage section 31.Drainage belt 3
It is divided into linkage section 31 and winding section 32, for linkage section 31 for being connected with output mechanism, the water facilitated access in drainage belt 3 is outside
Discharge, winding section 32 wind the effect for being arranged on and water suction being primarily served on pile body 1.
In this particular embodiment, connecting hole 311 is provided on linkage section 31, is provided on pile body 1 and upper connecting hole
The matched upper screwed hole in 311 positions（It is not shown in figure）, pass through screw（It is not shown in figure）It is screwed onto through upper connecting hole 311
Linkage section 31 is fixedly mounted on pile body 1 in upper screwed hole；The tail end of winding section 32 is provided with lower connecting hole 321, on pile body 1
It is provided with and the lower matched lower threaded hole in 321 position of connecting hole（It is not shown in figure）, pass through screw（It is not shown in figure）It passes through
Lower connecting hole 321, which is screwed onto in lower threaded hole, is fixedly mounted on winding section 32 on pile body 1.Said structure ensures 3 energy of drainage belt
It is enough stably mounted on 1 outer wall of pile body, it is easy for installation, it is at low cost.
In this particular embodiment, the upper surface for winding section 32 is bonded setting with the lower face of helical blade 2.Pass through spiral
Blade 2 provides a upper limit to the installation of winding section 32, it is ensured that winding section 32 stablizes installation.
In this particular embodiment, output mechanism includes sealing cover 4, and the upper end of linkage section 31, which is stretched into, is arranged on sealing cover 4
It is interior and be tightly connected with sealing cover 4, the osculum of up/down perforation is provided on sealing cover 4（It is not shown in figure）, it is close on osculum
Envelope is connected with scupper hose 5.Above-mentioned output mechanism is simple in structure, and the water in drainage belt 3 can pass through the scupper hose on sealing cover 4
5 discharge, and after the completion of construction, sealing cover 4 is embedded in soil, and the end of scupper hose 5 is stretched out outside soil, so
The end of scupper hose 5 with external vacuum extractor 6 is connected afterwards, the water in drainage belt 3 is discharged.
It is required according to Specific construction, must assure that the top end face of sealing cover 4 to the vertical of surface of stratum in the construction process
Distance H is 0.5 meter, this vertical range is the sealant buried by natural soil layer, can increase considerably the connection of sealing cover 4
Sealing performance.
In this particular embodiment, drainage belt 3 includes quilted plastic panel 33, and the external cladding of quilted plastic panel 33 is provided with filter soil
Permeable filter membrane 34, the rear end face of quilted plastic panel 33 are planar end surface, and the front end face of quilted plastic panel 33 is arranged at intervals with a plurality of side by side
Vertical convex ribs 35 form drainage channel 36 between adjacent two convex ribs 35.Above-mentioned drainage belt 3 is simple in structure, quilted plastic panel 33
Rear end face for planar end surface, be bonded installation with 1 outer wall of pile body convenient for drainage belt 3, it is ensured that the stability of the installation of drainage belt 3, plastics
The front end face of core plate 33 is arranged at intervals with a plurality of vertical convex ribs 34 side by side, and drainage channel is formed between adjacent two convex ribs 34
35, facilitating through the water that filter membrane 34 is entered inside drainage belt 3 can discharge in order.
In this particular embodiment, filter membrane 34 is knitted material using terylene nonwoven and is made.Terylene nonwoven knits filter made of material
Film 34 has the native water permeability of preferable filter.
In this particular embodiment, the top of pile body 1 is provided with cushion cap 11, and the bottom of pile body 1 is provided with pile top 12, pile top
An end 13 is provided between 12 and pile body 1.
Screw pile is squeezed into soil during construction, the water in soil is entered through the filter membrane 34 on drainage belt 3 inside drainage belt 3
Drainage channel 35 in, then by expose soil outside scupper hose 5 be connected on the steel pipe 61 of vacuum extractor 6, open
Vacuum extractor 6 discharges the water in drainage belt 3.
Claims (7)
1. a kind of screw pile including pile body, is provided with helical blade, the helical blade is described on the pile body outer wall
The outer wall curve of pile body wind setting from top to bottom, it is characterised in that be provided with drainage mechanism on the pile body；Described
Drainage mechanism includes drainage belt, and the drainage belt is arranged on the pile body along the winding track winding of the helical blade
On outer wall.
2. a kind of screw pile as described in claim 1, it is characterised in that the drainage belt be divided into from top to bottom linkage section and
Section is wound, the linkage section is vertical and fitting is arranged on the pile body outer wall, and the winding section is along the spiral shell
The winding track of vane piece is wrapped on the pile body outer wall and is bonded setting, the linkage section with the pile body outer wall
On be provided with output mechanism for the water in the drainage belt to be discharged.
3. a kind of screw pile as claimed in claim 2, it is characterised in that connecting hole is provided on the linkage section, it is described
Pile body on be provided with the upper matched upper screwed hole in connection hole site, by screw pass through the upper connecting hole
It is screwed onto in the upper screwed hole and the linkage section is fixedly mounted on the pile body；The tail end of the winding section
Be provided with lower connecting hole, be provided on the pile body with the matched lower threaded hole in lower connection hole site, pass through spiral shell
It follows closely to be screwed onto through the lower connecting hole in the lower threaded hole and the winding section is fixedly mounted on to the pile body
On.
4. a kind of screw pile as claimed in claim 2, it is characterised in that the upper surface of the winding section and the spiral
The lower face fitting of blade is set.
5. a kind of screw pile as claimed in claim 2, it is characterised in that the output mechanism includes sealing cover, the company
The upper end for connecing section is stretched into the sealing cover described in being arranged on and is connected with the seal cap sealing, is set on the sealing cover
There is the osculum of up/down perforation, scupper hose is sealedly connected on the osculum.
6. a kind of screw pile as described in claim 1, it is characterised in that the drainage belt includes quilted plastic panel, the modeling
The external cladding of material core plate is provided with the permeable filter membrane of filter soil, and the rear end face of the quilted plastic panel is planar end surface, the modeling
The front end face of material core plate is arranged at intervals with a plurality of vertical convex ribs side by side, and forming draining between the convex ribs described in adjacent two leads to
Road.
7. a kind of screw pile as described in claim 1, it is characterised in that cushion cap is provided at the top of the pile body, it is described
The bottom of pile body is provided with pile top, and an end is provided between the pile top and the pile body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721278192.8U CN207436048U (en) | 2017-09-30 | 2017-09-30 | A kind of screw pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721278192.8U CN207436048U (en) | 2017-09-30 | 2017-09-30 | A kind of screw pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207436048U true CN207436048U (en) | 2018-06-01 |
Family
ID=62295209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721278192.8U Expired - Fee Related CN207436048U (en) | 2017-09-30 | 2017-09-30 | A kind of screw pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207436048U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622441A (en) * | 2021-08-30 | 2021-11-09 | 长业建设集团有限公司 | Foundation pit dewatering and enclosure method for carbon fiber cloth reinforced concrete porous spiral pipe pile |
| CN113914314A (en) * | 2020-07-07 | 2022-01-11 | 宁波大学 | Construction method of static drilling root-planting drainage pile |
-
2017
- 2017-09-30 CN CN201721278192.8U patent/CN207436048U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914314A (en) * | 2020-07-07 | 2022-01-11 | 宁波大学 | Construction method of static drilling root-planting drainage pile |
| CN113622441A (en) * | 2021-08-30 | 2021-11-09 | 长业建设集团有限公司 | Foundation pit dewatering and enclosure method for carbon fiber cloth reinforced concrete porous spiral pipe pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20180930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |