CN206902734U - A kind of earth construction of soft foundation zone - Google Patents
A kind of earth construction of soft foundation zone Download PDFInfo
- Publication number
- CN206902734U CN206902734U CN201720875559.8U CN201720875559U CN206902734U CN 206902734 U CN206902734 U CN 206902734U CN 201720875559 U CN201720875559 U CN 201720875559U CN 206902734 U CN206902734 U CN 206902734U
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- CN
- China
- Prior art keywords
- pile
- prestressed concrete
- pile cover
- concrete pipe
- earth construction
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model is a kind of earth construction of soft foundation zone.Include prestressed concrete pipe pile, pile cover, chainless drives, wherein the lower end of prestressed concrete pipe pile enters severely-weathered supporting course, the stake top of prestressed concrete pipe pile enters in pile cover, and pile cover is earth construction stress layer with chainless drives composition reinforced concrete flat slab floor.Pile cover is directly connected to prestressed concrete pipe pile and chainless drives.The utility model is easy for construction, and strong adaptability, speed of application is fast, and economic and reliable, it is ensured that exhibition room ground and agent structure are without settlement difference during use.
Description
Technical field
The utility model is a kind of earth construction of soft foundation zone, particularly a kind of soft foundation zone exhibitions exhibition room ground knot
Structure, good economy performance, with the agent structure also new exhibition room earth construction way without obvious settlement difference, taken into account economy, can
By property, and speed of application is fast.
Background technology
The characteristics of due to China's economic development, the flourishing area of domestic exhibition industry are normally at Yangtze River Delta and the Zhujiang River three
Angle continent.Yangtze River Delta Area and Pearl River Delta area are alluvial plain, and its foundation soil is generally weak soil, or even some regions to fill out sea
Epeirogenetic is formed.
The exhibition room of exhibitions building does not generally set ground below exhibition room for economics because its area is big, load weight
Lower room, exhibition room ground are directly held on soil, and when the construction place of exhibitions project is soft clay area, exhibition room ground typically uses
The method of foundation stabilization, to reach the requirement of working load.Conventional foundation stabilization scheme has cement mixing pile compoundly
Base+rammed subgrade, pipe pile composite foundation+rammed subgrade, piling prepressing etc..Ground after treatment of soft foundation can be as exhibition room ground
Supporting course uses, but it has the following disadvantages：Construction (can not be carried out soil layer to be rolled greatly by inside even from weather during bad weather
Construction), engineering time length (layered rolling time long, basement periphery influenceed to construct by basement process process), ground
Compacting factor is it is difficult to ensure that (compacting factor 0.95 or 0.96 is difficult to realize or can not realize), high (the layered rolling need of testing cost
Layered weighting, the basement process stake of large area also need to detect), settlement after construction big (settlement after construction can reach 100mm) etc..Particularly
Exhibition room ground overlaps the sedimentation in the cycle at it, will cause the disengaging on exhibition room ground and exhibition room agent structure, not only influences perception,
The development of exhibitions activity will be influenceed when serious.
If exhibition room ground is made into structural floor, speed of application is fast, and quality can ensure；But its again often because economy compared with
Difference and huge burden is brought to Construction Party.
The content of the invention
The purpose of this utility model is to provide a kind of earth construction of soft foundation zone.The utility model good economy performance, with
The agent structure also new exhibition room earth construction way without obvious settlement difference, takes into account economy, reliability, and speed of application
It hurry up.Not only it can be generalized to similar to Guiding Practice in the exhibitions exhibition room engineering under the conditions of geology, it is identical to geological conditions（Weak soil
Base）Facility floor, the heavy duty such as warehouse floor and the ground without basement can promote the use of.
The technical solution of the utility model is：The earth construction of soft foundation zone of the present utility model, include prestressing force and mix
Native pile tube, pile cover, chainless drives are coagulated, the wherein lower end of prestressed concrete pipe pile enters severely-weathered supporting course, prestressed concrete
The stake top of pile tube enters in pile cover, and pile cover is earth construction stress layer with chainless drives composition reinforced concrete flat slab floor.
Base form of the utility model using pre-stressed concrete pipe pile foundation as exhibition room ground, stake end enter below soft base
Supporting course（Generally strongly weathered sand-rock）, stake top insertion pile cover in 100mm.Stake by arranged in squares in pile cover, stake spacing
The form for being more than 3 times of stake footpaths is used according to cap size（Using 1 ~ 2 times away from pile cover side stake footpath of pile center as principle）, to reduce pile cover
Arrangement of reinforcement；Can also be more uniformly stressed the stake of end bay after widening pile tube spacing.The size and arrangement spacing of pile cover are according to use
The requirement of load determines；Pile cover is directly connected to prestressed concrete pipe pile and chainless drives, in the sense that no longer setting typically
Pile framing and structural column, that is, the bang path of load is shortened, save construction material and cost again；Meanwhile also reduce construction
Process, accelerate the speed of construction.Chainless drives of the present utility model use the form of arch without beam, with general beam and slab type structure
Compare, not only economy is more preferable for the utility model, and can reduce the formwork quantity and reinforcing bar colligation quantity of construction, accelerates construction
Speed.
Brief description of the drawings
Fig. 1 is horizontal layout schematic diagram of the present utility model.
Fig. 2 is the A-A profiles in Fig. 1.
Embodiment
Embodiment 1：
The earth construction of soft foundation zone of the present utility model, include prestressed concrete pipe pile 1, pile cover 3, chainless drives
4, the wherein lower end of prestressed concrete pipe pile 1 enters severely-weathered supporting course, and the stake top of prestressed concrete pipe pile 1 enters pile cover
In 3, it is earth construction stress layer that pile cover 3 forms reinforced concrete flat slab floor with chainless drives 4.Pile cover 3 is directly connected to pre- answer
Power concrete tubular pile 1 and chainless drives 4.
In the present embodiment, the bottom of above-mentioned pile cover 3 is additionally provided with plain concrete cushion layer 2.Plain concrete cushion layer 2 is according to structural slab
Whether make somebody a mere figurehead to decide whether to set at bottom.
In the present embodiment, the stake top of above-mentioned prestressed concrete pipe pile 1 enters 100mm in pile cover 3.
In the present embodiment, include some prestressed concrete pipe piles 1, some prestressed concrete pipe piles 1 are by just
Square arrangement is in pile cover 3.
In the present embodiment, the stake spacing of above-mentioned prestressed concrete pipe pile 1 uses according to the size of cap 3 is more than 3 times of stakes
The form in footpath（Using 1 ~ 2 times away from pile cover side stake footpath of pile center as principle）, to reduce the arrangement of reinforcement of pile cover 3；Gone back after widening pile tube spacing
Can be more uniformly stressed the stake of end bay.
In the present embodiment, include several pile covers 3, several pile covers 3 are by arranged in squares on chainless drives 4.It is some
The horizontal layout of individual pile cover 3 is that the spacing between the geometric center of adjacent pile cover 3 is 9 meters × 9 meters.The size of pile cover 3 is 4.5 meters
× 4.5 meters.
Above-mentioned pile cover 3 forms reinforced concrete flat slab floor top surface with chainless drives 4 and is provided with foam concrete backfill layer 5, bubble
Foam concrete backfill layer 5 top surface is provided with backfill layer top armoured concrete slab 6, and backfill layer top armoured concrete slab 6 is pipe trench height
The structure construction of scope；The top surface of backfill layer top armoured concrete slab 6 is provided with building coats 7, foam concrete backfill layer 5, backfill
Layer top armoured concrete slab 6, building coats 7 are provided with equipment pipe trench 8, and pile cover 3 forms armored concrete without Liang Lou with chainless drives 4
Base face is provided with fill stratum or Stilt layer 9.
Exhibition room earth construction (using live load 50kN/m2) of the present utility model, according to rational structure cloth is calculated
It is set to：The horizontal layout form of pile cover 3 is：Some pile covers 3 press arranged in squares on chainless drives 4, the geometry of adjacent pile cover 3
Spacing between center is 9 meters × 9 meters, and the size of pile cover 3 is 4.5 meters × 4.5 meters, and thickness takes 1150mm；Set in each pile cover 3
4 diameter 500mm prestressed concrete pipe pile 1 is put, the arrangement spacing of prestressed concrete pipe pile 1 is 2.5 meters × 2.5 meters；
The thickness of chainless drives 4 takes 400mm；The discrepancy in elevation in this example between present situation ground and chainless drives 4 is 1.65 meters, between chainless drives with present situation ground
Between 9 handled by the way of backfill, therefore the C15 plain concrete cushion layers of 100mm thickness are set in pile cover 3 and chainless drives 4 time
2.The top of chainless drives 4 sets foam concrete to backfill layer 5, and the top of foam concrete backfill layer 5 sets 200 thick C30 backfill layers
Push up armoured concrete slab 6.The horizontal layout of this example as shown in Figure 1, arrange as shown in Figure 2 by section.
When present situation ground and the reinforced concrete flat slab floor discrepancy in elevation are smaller, fill stratum or Stilt layer 9 are to return Site Soil
Exhibition room ground arch without beam bottom (advantage is ground elevation movement of the tube pile construction machinery after backfill, more convenient) is filled to,
But its backfill is not required to propose the requirement (being defined by the walking of tube pile construction mechanical energy) of compacting factor.As present situation ground and Wu Lianglou
When the base portion discrepancy in elevation is larger, backfill can be cancelled, the fill stratum at plate bottom or Stilt layer 9 are made into ground spacing, and (advantage is energy
The duration and expense, shortcoming for saving backfill are that tube pile construction Mechanical Moving is influenceed by pile tube of having constructed, and need reasonable arrangement to apply
Work order).Use backfill scheme or aerial scheme with construct branch and form removal it is convenient for standard.The above-mentioned present situation ground that refers both to is less than steel
The situation of reinforced concrete arch without beam bottom, the construction of embankment case is referred back to when present situation ground is higher than arch without beam bottom.
When being banketed under chainless drives 4, plain concrete cushion layer 2 is set, and its effect is that surfacing is easy in colligation above
Reinforcing bar, also function to and protect the concrete and rebar of bottom plate and pile cover not acted on by lower section water and soil pollution.When nothing is filled out under structural slab
Soil（When using the scheme of ground spacing）When cancel plain concrete cushion layer 2.Foam concrete packed layer 5 is filled in pipe trench two
Side, its compression under load action is smaller, and speed of application is fast；The intensity of foam concrete is to meet that exhibition room ground uses lotus
Carrying requirement is advisable, unsuitable too high, is that advantageously condition is created in the possible transformation displacement of pipe trench.Foam concrete packed layer 5
Top sets armoured concrete slab 6, plate thickness about 200mm, by detailing requiments arrangement of reinforcement reinforcing bar, to meet that the use on exhibition room ground will
Ask.
Chainless drives 4 use the form of arch without beam, and compared with general beam and slab type structure, not only economy is more preferable, and
The formwork quantity and reinforcing bar colligation quantity of construction can be reduced, accelerates speed of application.
Claims (5)
- A kind of 1. earth construction of soft foundation zone, it is characterised in that include prestressed concrete pipe pile, pile cover, chainless drives, its The lower end of middle prestressed concrete pipe pile enters severely-weathered supporting course, and the stake top of prestressed concrete pipe pile enters in pile cover, stake Cap is earth construction stress layer with chainless drives composition reinforced concrete flat slab floor.
- 2. the earth construction of soft foundation zone according to claim 1, it is characterised in that the bottom of above-mentioned pile cover is additionally provided with element Concrete cushion.
- 3. the earth construction of soft foundation zone according to claim 1, it is characterised in that above-mentioned prestressed concrete pipe pile Stake top enters 100mm in pile cover.
- 4. the earth construction of the soft foundation zone according to any one of claims 1 to 3, it is characterised in that include some in advance Prestressed concrete pile tube, some prestressed concrete pipe piles are by arranged in squares in pile cover.
- 5. the earth construction of soft foundation zone according to claim 4, it is characterised in that include several pile covers, several Pile cover is by arranged in squares on chainless drives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720875559.8U CN206902734U (en) | 2017-07-19 | 2017-07-19 | A kind of earth construction of soft foundation zone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720875559.8U CN206902734U (en) | 2017-07-19 | 2017-07-19 | A kind of earth construction of soft foundation zone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206902734U true CN206902734U (en) | 2018-01-19 |
Family
ID=61311913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720875559.8U Expired - Fee Related CN206902734U (en) | 2017-07-19 | 2017-07-19 | A kind of earth construction of soft foundation zone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206902734U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343077A (en) * | 2018-04-23 | 2018-07-31 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of Miniature anti-slide pile composite structure and its construction method |
| CN108978697A (en) * | 2018-08-02 | 2018-12-11 | 五冶集团上海有限公司 | Terrace template system and construction method |
| CN109989477A (en) * | 2019-03-30 | 2019-07-09 | 李兆灿 | Soft soil foundation for preventing building foundation from non-uniform settlement and construction method thereof |
-
2017
- 2017-07-19 CN CN201720875559.8U patent/CN206902734U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343077A (en) * | 2018-04-23 | 2018-07-31 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of Miniature anti-slide pile composite structure and its construction method |
| CN108978697A (en) * | 2018-08-02 | 2018-12-11 | 五冶集团上海有限公司 | Terrace template system and construction method |
| CN109989477A (en) * | 2019-03-30 | 2019-07-09 | 李兆灿 | Soft soil foundation for preventing building foundation from non-uniform settlement and construction method thereof |
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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: 20180119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |