CN108331002A - A kind of design and construction method of ground mattress layer - Google Patents
A kind of design and construction method of ground mattress layer Download PDFInfo
- Publication number
- CN108331002A CN108331002A CN201810071182.XA CN201810071182A CN108331002A CN 108331002 A CN108331002 A CN 108331002A CN 201810071182 A CN201810071182 A CN 201810071182A CN 108331002 A CN108331002 A CN 108331002A
- Authority
- CN
- China
- Prior art keywords
- mattress
- hole
- foundation
- composite pile
- ground
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
Landscapes
- Engineering & Computer Science (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)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Foundations (AREA)
Abstract
The invention discloses a kind of design and construction method of ground mattress layer, ground mattress layer includes several and the one-to-one mattress of composite pile foundation, includes the following steps, drives piles and cut the earth：In Pile Installation Platform construction composite pile foundation, cut the earth from Pile Installation Platform to foundation plane；Excavate mattress hole：The edge of each composite pile foundation excavates mattress hole on foundation plane, then cuts part composite pile foundation so that the top of composite pile foundation is located at the hole bottom in mattress hole；Mattress plastic film mulch is filled：It is laid with anti-seepage geomembrane in mattress is cheated so that the inner wall that anti-seepage geomembrane is cheated with mattress is affixed, and anti-seepage geomembrane is extended mattress hole, is formed shirt rim at the near coal-mine edge in mattress hole, is then filled stone sand in mattress is cheated；It is final to be laid with building bottom plate.So that speed of application is obviously accelerated, while also saving cost.The present invention is applied to civil engineering foundation treatment technology field.
Description
Technical field
The present invention relates to civil engineering foundation treatment technology fields, more particularly to a kind of design of ground mattress layer
Construction method.
Background technology
The composite foundation of hydraulic engineering application at present is more, and common composite foundation has cement mixing pile, cement, flyash broken
Stone mar (CFG), rotary churning pile etc..The stress ratio being arranged between mattress layer adjustment stake soil is needed to make between composite foundation and basis
The material of stake and the common stress of foundation soil, the stress concentration for reducing the bottom of foundation, mattress layer is usually middle sand, coarse sand, graded sand
The preferable material of the water stabilities such as stone, rubble, water penetration.Hydraulic engineering is for along the building bottom of foundation compared with architectural engineering
It is anti-to be impregnated with higher requirement.And mattress layer is typically completely laid on the bottom of foundation, if directly applying at this time anti-for the bottom of foundation
It is impregnated with the engineering of requirement, mattress layer will become a leakage passage, and be had adverse effect on to antiseepage.For the anti-of mattress layer
It oozes, existing frequently-used method is typically that impervious element is in addition arranged, and such as seals mattress in one week setting solid matter mixing pile of mattress layer
Layer antiseepage, this will increase project cost and construction period.
Invention content
To solve the above-mentioned problems, the purpose of the present invention is to provide a kind of design and construction method of ground mattress layer, energy
Enough simplify Anti-seeping technology, reduces project cost, accelerates the construction period.
The technical solution adopted in the present invention is：A kind of design and construction method of ground mattress layer, the ground mattress layer
Including several and one-to-one mattress of composite pile foundation, include the following steps：
A. piling and shoveling：In Pile Installation Platform construction composite pile foundation, cut the earth from Pile Installation Platform to foundation plane；
B. mattress hole is excavated：The edge of each composite pile foundation excavates mattress hole on foundation plane, and it is compound then to cut part
Pile foundation so that the top of composite pile foundation is located at the hole bottom in mattress hole；
C. mattress plastic film mulch is filled：It is laid with anti-seepage geomembrane in mattress is cheated so that the inner wall of anti-seepage geomembrane and mattress hole
It is affixed, and anti-seepage geomembrane is extended into mattress hole, form shirt rim at the near coal-mine edge in mattress hole, the then filling in mattress is cheated
Stone sand；
D. it is laid with building bottom plate：It is laid with concrete layer on foundation plane, and shirt rim is passed through into concrete layer, is then laid with
Shirt rim is simultaneously connected by building bottom plate with building bottom plate.
As a further improvement of the above technical scheme, in step c, anti-seepage geomembrane is multilayered structure.
As a further improvement of the above technical scheme, it in step c, is laid on corresponding on the anti-seepage geomembrane in mattress hole
The position on composite pile foundation top is equipped with folding region.
As a further improvement of the above technical scheme, it is equipped in step c, between the stone sand and anti-seepage geomembrane thin
Layer sand.
As a further improvement of the above technical scheme, in step b, the near coal-mine range in mattress hole is more than composite pile foundation top
The range of the upward 45° angle diffusion in portion.
As a further improvement of the above technical scheme, in step d, shirt rim passes through the width of remainder after concrete layer
More than 100mm.
As a further improvement of the above technical scheme, closely knit by static pressure after filling stone sand in mattress hole in step b
Or pass through vibro densification.
Beneficial effects of the present invention：By being equipped with individual mattress to each composite pile foundation, effective simplify prevents the present invention
Ooze processing, and interfering with each other without a variety of piling machineries so that speed of application is obviously accelerated, while also saving cost.
Description of the drawings
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is overall structure figure of the present invention.
Specific implementation mode
The design and construction method of ground mattress layer as shown in Figure 1, the ground mattress layer include several and composite pile foundation 1
One-to-one mattress, includes the following steps：
A. piling and shoveling：In Pile Installation Platform construction composite pile foundation 1, cut the earth from Pile Installation Platform to foundation plane,
Spacing between Pile Installation Platform and foundation plane is more than 500mm, in shoveling work, first passes through mechanical excavation to from foundation plane
It is cut the earth to foundation plane using artificial also behind the position of 300~500mm；
B. mattress hole is excavated：The edge of each composite pile foundation excavates mattress hole on foundation plane, and it is compound then to cut part
Pile foundation so that the top of composite pile foundation 1 is located at the hole bottom in mattress hole；
C. mattress plastic film mulch is filled：It is laid with anti-seepage geomembrane 31 in mattress is cheated so that anti-seepage geomembrane 31 and mattress hole
Inner wall is affixed, and anti-seepage geomembrane 31 is extended mattress hole, is formed shirt rim at the near coal-mine edge in mattress hole, is then cheated in mattress
Interior filling stone sand 32；
D. it is laid with building bottom plate 2：It is laid with concrete layer 4 on foundation plane, and shirt rim is passed through into concrete layer 4, then
It is laid with building bottom plate 2 and shirt rim is connected with building bottom plate 2.
The present embodiment wraps up rubble by being equipped with individual mattress to each composite pile foundation 1 by anti-seepage geomembrane 31
Sand 32 forms mattress so that mattress becomes the package of a sealing, and seepage flow needs to pass through from package bottom, increases seepage paths, carry
The anti-permeability of mattress is risen, and effectively simplifies Anti-seeping technology, and interfering with each other without a variety of piling machineries so that
Speed of application is obviously accelerated, while also saving cost.
It is further preferred that in step c, anti-seepage geomembrane 31 is multilayered structure, the anti-seepage geomembrane 31 in the present embodiment
For double-layer structure, the anti-permeability of mattress is further promoted.
It is further preferred that in step c, composite pile foundation top is corresponded on the anti-seepage geomembrane 31 that is laid in mattress hole
Position is equipped with folding region 311, increases the thickness of 1 top anti-seepage geomembrane 31 of composite pile foundation by folding anti-seepage geomembrane 31,
So that the anti-seepage geomembrane 31 at 1 top of composite pile foundation has certain deformation space, even if the antiseepage geotechnique at 1 top of composite pile foundation
Film 31 badly will not influence whole anti-seepage effect by the thorn of composite pile foundation 1.
It is further preferred that in step c, it is equipped with thin layer sand 33 between the stone sand 32 and anti-seepage geomembrane 31, that is, exists
It is laid with one layer of thinner gravel of granularity between anti-seepage geomembrane 31 and stone sand 32, prevents rubble from piercing anti-seepage geomembrane 31 bad,
In the present embodiment, the thickness of 32 a diameter of 8~20mm of stone sand, thin layer sand 33 are 25mm.
It is further preferred that in step b, the near coal-mine range in mattress hole is more than the 45° angle diffusion upwards of 1 top of composite pile foundation
Range, i.e. the diameter that the near coal-mine any width in mattress hole is both greater than composite pile foundation 1 receives twice mattress hole depth, this implementation
The depth that mattress is cheated in example is 200mm or 300mm, and it is relatively high to settlement request that the mattress of hole depth 200mm is mainly used for building
Position, such as pumping plant workshop or Power Plant basis；It is relatively high that the mattress of hole depth 300mm is mainly used for antiseepage requirement
Levee body building basis prevents the case where bottom plate is with foundation void generation contact scour.
It is further preferred that in step d, shirt rim is more than 100mm across the width of remainder after concrete layer 4.Pacifying
Geotechnological film edge will be first oozed before 2 reinforcing bar of dress building bottom plate to be flattened with cushion block, after the completion of reinforcement installation, then pour building bottom
Plate 2 completes the construction on entire mattress layer basis.
Certainly, the invention is not limited in the above embodiment, those skilled in the art are without prejudice to the present invention
Equivalent variations or replacement can be also made under the premise of spirit, these equivalent modifications or replacement are all contained in the application claim
In limited range.
Claims (7)
1. a kind of design and construction method of ground mattress layer, which is characterized in that the ground mattress layer includes several and composite pile
The one-to-one mattress of base, includes the following steps：
A. piling and shoveling：In Pile Installation Platform construction composite pile foundation, cut the earth from Pile Installation Platform to foundation plane；
B. mattress hole is excavated：The edge of each composite pile foundation excavates mattress hole on foundation plane, then cuts part composite pile foundation,
So that the top of composite pile foundation is located at the hole bottom in mattress hole；
C. mattress plastic film mulch is filled：It being laid with anti-seepage geomembrane in mattress is cheated so that the inner wall that anti-seepage geomembrane is cheated with mattress is affixed,
And anti-seepage geomembrane is extended into mattress hole, shirt rim is formed at the near coal-mine edge in mattress hole, then fills rubble in mattress is cheated
Sand；
D. it is laid with building bottom plate：It is laid with concrete layer on foundation plane, and shirt rim is passed through into concrete layer, is then laid with building
Shirt rim is simultaneously connected by object bottom plate with building bottom plate.
2. the design and construction method of ground mattress layer according to claim 1, it is characterised in that：In step c, anti-seepage geomembrane
For multilayered structure.
3. the design and construction method of ground mattress layer according to claim 1, it is characterised in that：In step c, it is laid on mattress
The position that composite pile foundation top is corresponded on anti-seepage geomembrane in hole is equipped with folding region.
4. according to claims 1 or 2 or the design and construction method of the 3 ground mattress layers, it is characterised in that：It is described in step c
Thin layer sand is equipped between stone sand and anti-seepage geomembrane.
5. according to claims 1 or 2 or the design and construction method of the 3 ground mattress layers, it is characterised in that：In step b, mattress
The near coal-mine range in hole is more than at the top of composite pile foundation the range of 45° angle diffusion upwards.
6. according to claims 1 or 2 or the design and construction method of the 3 ground mattress layers, it is characterised in that：In step d, shirt rim
The width of remainder is more than 100mm after concrete layer.
7. according to claims 1 or 2 or the design and construction method of the 3 ground mattress layers, it is characterised in that：In step b, mattress
It is closely knit or pass through vibro densification by static pressure after filling stone sand in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810071182.XA CN108331002B (en) | 2018-01-25 | 2018-01-25 | Design and construction method of foundation mattress layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810071182.XA CN108331002B (en) | 2018-01-25 | 2018-01-25 | Design and construction method of foundation mattress layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108331002A true CN108331002A (en) | 2018-07-27 |
| CN108331002B CN108331002B (en) | 2020-04-21 |
Family
ID=62925797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810071182.XA Active CN108331002B (en) | 2018-01-25 | 2018-01-25 | Design and construction method of foundation mattress layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108331002B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109680701A (en) * | 2019-02-01 | 2019-04-26 | 长江勘测规划设计研究有限责任公司 | One kind is for pile foundation construction leakage preventing structure and construction method on dyke |
| CN112921947A (en) * | 2021-03-23 | 2021-06-08 | 夏妙水 | Foundation construction method in house building construction |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203546743U (en) * | 2013-10-30 | 2014-04-16 | 上海勘测设计研究院 | CFG pile composite foundation mattress layer |
| KR20140058951A (en) * | 2012-11-07 | 2014-05-15 | (주) 선암기술연구소 | Caisson tube water-tight structure and under water structure construction method for soft ground |
| CN203716168U (en) * | 2014-01-16 | 2014-07-16 | 黄河勘测规划设计有限公司 | Toe slab foundation structure of deep covering layer of concrete face rockfill dam |
-
2018
- 2018-01-25 CN CN201810071182.XA patent/CN108331002B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140058951A (en) * | 2012-11-07 | 2014-05-15 | (주) 선암기술연구소 | Caisson tube water-tight structure and under water structure construction method for soft ground |
| CN203546743U (en) * | 2013-10-30 | 2014-04-16 | 上海勘测设计研究院 | CFG pile composite foundation mattress layer |
| CN203716168U (en) * | 2014-01-16 | 2014-07-16 | 黄河勘测规划设计有限公司 | Toe slab foundation structure of deep covering layer of concrete face rockfill dam |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109680701A (en) * | 2019-02-01 | 2019-04-26 | 长江勘测规划设计研究有限责任公司 | One kind is for pile foundation construction leakage preventing structure and construction method on dyke |
| CN112921947A (en) * | 2021-03-23 | 2021-06-08 | 夏妙水 | Foundation construction method in house building construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108331002B (en) | 2020-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104863113A (en) | Method for curing in-situ soil in situ and stirring device | |
| CN101481911A (en) | Construction method for special underground continuous wall | |
| CN105421497A (en) | Water-proof construction method for connected nodes of foundation slab and ground wall in composite surround system | |
| CN109594575A (en) | A kind of open caisson periphery grouting and reinforcing soil body construction method | |
| CN108331002A (en) | A kind of design and construction method of ground mattress layer | |
| JP5232285B2 (en) | Liquefaction countermeasure structure for ground improvement solid foundation and ground improvement solid foundation method | |
| CN109853604A (en) | A kind of static pressure waterpower suction open caisson construction method | |
| CN107881987A (en) | Deep covering layer top panel Rockfill Dam based moisture barrier structure | |
| CN111379267A (en) | Water plugging method for solving water gushing at bottom of foundation pit | |
| CN104695455B (en) | High-flow and high-head antiscour and anti-seepage overflow cofferdam structure and construction method thereof | |
| JPH09100524A (en) | Development method of fill dam | |
| CN207987943U (en) | A kind of composite foundation mattress layer structure | |
| CN109338909B (en) | Integral pier reinforcing structure and construction method thereof | |
| CN207567752U (en) | A kind of sealing ditch constructing structure for place Soft Ground Improved By Vacuum Preloading processing of rockfilling | |
| CN108611941B (en) | Method for processing saturated high-fill roadbed | |
| CN106567382A (en) | Foundation pit curtain construction method in gravel layer | |
| CN112921998A (en) | Cofferdam enclosure slope-making foundation pit excavation method suitable for deep sludge covering layer | |
| KR20110002175A (en) | Lightweight material mounding structure and method for constructing the same | |
| CN105350557A (en) | Plastic water stop plate used as waterproof curtain | |
| CN110629778A (en) | Construction method for stopping leakage of waterproof curtain | |
| US1602623A (en) | Dam and method of constructing the same | |
| CN112282798B (en) | Tunnel surrounding rock advanced horizontal water-stopping grouting construction method | |
| CN103966997A (en) | Construction method for conducting foundation treatment through grouting engineering pile foundations with steel sleeves | |
| CN111549809A (en) | Water stopping method for sinking geotextile and lapping to form water stopping curtain by sleeve method | |
| CN108547190A (en) | A kind of method of ecological type immerseable embankment processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |