CN206591507U - A kind of Soft Ground structure based on reinforced bands sand-gravel cushion - Google Patents
A kind of Soft Ground structure based on reinforced bands sand-gravel cushion Download PDFInfo
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- CN206591507U CN206591507U CN201621462622.7U CN201621462622U CN206591507U CN 206591507 U CN206591507 U CN 206591507U CN 201621462622 U CN201621462622 U CN 201621462622U CN 206591507 U CN206591507 U CN 206591507U
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- reinforced bands
- gravel cushion
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- 230000002787 reinforcement Effects 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 18
- 239000010410 layer Substances 0.000 description 36
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- 239000004576 sand Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
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- 238000005345 coagulation Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
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- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a kind of Soft Ground structure based on reinforced bands sand-gravel cushion, at least include the first sandstone cell bag, first sand-gravel cushion, first reinforced bands, second sand-gravel cushion, second reinforced bands, 3rd sand-gravel cushion and concrete cushion, the first sandstone cell bag, which divides two layers, is laid on foundation ditch bottommost, first sand-gravel cushion is laid on the top of the first sandstone cell bag, first reinforced bands are laid on the first sand-gravel cushion upper surface, second sand-gravel cushion, which divides two layers, is laid on the first reinforced bands upper surface, second reinforced bands are laid on the second sand-gravel cushion upper surface, 3rd sand-gravel cushion, which divides two layers, is laid on the second reinforced bands upper surface, concrete cushion is laid on the upper surface of the 3rd sand-gravel cushion.The utility model Soft Ground structure is made up of sandstone cell bag, sand-gravel cushion, reinforced bands and concrete cushion, and easy construction, labor intensity are low, operating efficiency is high, and foundation strength is high, drainage performance is good, and be particularly suitable for use in median low structure.
Description
Technical field
The utility model belongs to soft soil foundation construction field, and in particular to a kind of weak soil based on reinforced bands sand-gravel cushion
Base processing structure.
Background technology
With continuing to develop for China's building trade, it is often necessary to build high residential building on soft soil foundation, due to weak soil
The features such as with low-intensity, high-compressibility, hypotonicity, accordingly, it would be desirable to which being handled soft base can just make it meet bearing capacity
Requirement.Conventionally employed tens meters of pile foundation, not only by the geotechnological environmental disruption of underground, and also it is empty with the life of the mankind
Between increasingly develop to underground, they be also possible to can turn into future underground development obstacle, if for example, in the future build herein
Subway, then the pile foundation under in depth just inherently influences construction of subway.Practice and research in recent years has shown that, in Soft Soil Layer
It is a kind of simple and economical processing side using bed course soft soil foundation treatment during Application of geosynthetics-reinforced sand in the case of not thick
Method.
CN201120124055.5 patent discloses a kind of folding reinforced belt, and plastic protective layer and reinforcement material are constituted
Connected between one reinforcement tape cell, adjacent two reinforcements tape cell by connect band, the connect band and plastic protective layer are same
Plant material and be integrally formed.The program will make the entirety of whole panel, reinforced bands and the organic mutually interlocking of filler formation one
Retaining wall, while difficulty of construction is reduced, also improves construction quality, but needs in advance to punch reinforced bands, and passes through
Connect band must link together two reinforced bands, therefore its construction technology is complex, and its quality is difficult to ensure.
CN201510032618.0 patent application document discloses a kind of composite earthwork synthetic material reinforcement cushion processing
The method of soft soil foundation, takes sealing ditch, geomembrane, non-woven fabrics, sand-gravel cushion to collectively constitute back-up coat and the row of soft soil foundation
Water layer, is reinforced and draining weak soil base, the purpose for improving Soft Base Stabilization so as to reach.But construction procedure is more, work
Skill is excessively checked, therefore its construction difficulty is big, and construction speed is slow, and construction cost is higher.
CN201410159854.4 patent discloses a kind of construction of the variable cross-section Reinforced Gravel Pile of strengthening soft foundation
Pile pipe and technique, construction pile pipe include ring flange, upper pile pipe, locking bushing, lower pile pipe, precast concrete pile top, using the stake
Pipe, which carries out construction, can avoid manually climbing the danger that pipe is put into geotextile bag, and the variable cross-section Reinforced Gravel Pile of completion is conducive to stake
Comprehensive performance of body intensity, strengthens the sidewise restraint effect in nearly stake top portion, limit lateral deformation, and then improve the carrying of pile body
Power, reduces the sedimentation of stake top.But the technique needs piling, it is therefore desirable to which the big machinery such as piling machine coordinates, simultaneously because this
Pile foundation is up big and down small, therefore construction technology is complex, is difficult to control and ensures quality.
The content of the invention
The technical problems to be solved in the utility model is to be based in view of the above-mentioned problems existing in the prior art there is provided one kind
The Soft Ground structure of reinforced bands sand-gravel cushion, by sandstone cell bag, sand-gravel cushion, reinforced bands and concrete cushion structure
Into, easy construction, labor intensity is low, operating efficiency is high, and foundation strength is high, drainage performance is good, and the middle low layer that is particularly suitable for use in is built
Build.
The utility model is to solve the technical scheme that is used of above-mentioned technical problem：
A kind of Soft Ground structure based on reinforced bands sand-gravel cushion, at least including the first sandstone cell bag, first
Sand-gravel cushion, the first reinforced bands, the second sand-gravel cushion, the second reinforced bands, the 3rd sand-gravel cushion and concrete cushion, described first
Sandstone cell bag, which divides two layers, is laid on foundation ditch bottommost, and the first sand-gravel cushion is laid on the top of the first sandstone cell bag, first
Reinforced bands are laid on the first sand-gravel cushion upper surface, and the second sand-gravel cushion, which divides two layers, is laid on the first reinforced bands upper surface, second
Reinforced bands are laid on the second sand-gravel cushion upper surface, and the 3rd sand-gravel cushion, which divides two layers, is laid on the second reinforced bands upper surface, coagulation
Soil padding is laid on the upper surface of the 3rd sand-gravel cushion.
By such scheme, in addition to the second sandstone cell bag and the 3rd sandstone cell bag, the second sandstone cell bag is set
It is placed in the both ends of the second sand-gravel cushion, for being compacted the first reinforced bands, the 3rd sandstone cell bag is arranged at the 3rd sandstone
The both ends of bed course, for being compacted the second reinforced bands.
By such scheme, the gross thickness of the first sandstone cell bag is 0.5~0.6m, and the thickness of the first sand-gravel cushion 2 is
0.3~0.4m, second 0.7~0.8m of sand-gravel cushion thickness, the 3rd sand-gravel cushion thickness are 0.5~0.6m, concrete mats thickness
Spend for 0.1m.
By such scheme, the first sandstone cell bag, the second sandstone cell bag and the 3rd sandstone cell bag are by sandstone
Mixture and cell bag composition, sandstone mixture press about 3 using cobble and wool yarn:The 7 uniform mix of parts by weight is formed, sandstone
Mixture is filled in cell bag, and cell bag sealing stitches tight by sealing machine.
By such scheme, the same layer cell bag of the first sandstone cell bag and up and down two layers of cell bag fissure of displacement laying,
With staggering 1/3~1/2 bag wide between around layer cell bag；Two layers of cell bag staggers 1/3~1/2 bag long up and down.
By such scheme, first reinforced bands, the second reinforced bands each along basis the two-way laying in longitudinal and transverse direction, the
One reinforced bands, the center spacing of the second reinforced bands are 500~550mm, and the first reinforced bands, the second reinforced bands junction are adopted in length and breadth
Fixed with iron nail nail joint method, the first reinforced bands, the second reinforced bands of edge are respectively pressed into by inflection reinforced bands anti-package inflection
First sand-gravel cushion, the second sand-gravel cushion, inflection reinforcement strip length are not less than 3m.
By such scheme, first sand-gravel cushion, the second sand-gravel cushion, the 3rd sand-gravel cushion are sandstone mixture,
Sandstone mixture presses about 3 using cobble and wool yarn:The 7 uniform mix of parts by weight is formed.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model is using reinforced bands as building lot, and it handles depth and is only limitted within the scope of several meters of earth's surface, phase
For conventional piles basic foundation, destruction of the reinforcement earth foundation to geotechnological environment is smaller, and can be left to following underground development
Certain leeway, thus with important environment protection significance；Easy construction simultaneously, and speed of application is fast, is applied so as to greatly accelerate
The work duration, operating efficiency is improved, reduce construction cost；
The 2nd, sandstone mixture is loaded to the underlayment in cell bag as ground, its intensity is relatively directly by sandstone mixture point
The intensity that layer is laid on ground based underlayment improves decades of times；
3rd, because reinforced bands are laid two layers on the surface of sand-gravel cushion and added by stronger tensile property, therefore this performance of utilization
Rib tape, equivalent to one net of such reinforced bands equally by the sand-gravel cushion on upper strata pocket tightly together, such reinforced bands and sand
Stone bed course is collectively forming an effective supporting course, so as to substantially increase the intensity on basis；
4th, simultaneously because laid two layers of reinforced bands, i.e. reinforcement sand blanket up and down forms two supporting courses in substrate, so
The uneven base pressure of possibility that upper floor is handed down, is improved by two layers of reinforcement sand blanket, that is, is distributed more equal
It is even, spread stress, so that the differential settlement of ground is reduced significantly；
5th, because reinforced bands and cell bag are conducive to draining, therefore two layers of reinforced bands on sand bedding course surface are then indirectly formed
Two layers of drainage blanket, and bottom of foundation ditch cell bag also quickly can drain the rainwater on foundation ditch top rapidly, so as to accelerate foundation ditch
The discharge of internal water accumulation, it is to avoid foundation ditch is soaked by rainwater.
Brief description of the drawings
Fig. 1 is the schematic diagram of Soft Ground structure of the utility model based on reinforced bands sand-gravel cushion；
Fig. 2 is the laying structure schematic diagram of the reinforced bands of the utility model first；
In figure, the first sandstones of 1- cell bag, the sand-gravel cushions of 2- first, the reinforced bands of 3- first, the second sandstones of 4- cell bag, 5-
Second sand-gravel cushion, the reinforced bands of 6- second, the sandstone cell bags of 7- the 3rd, the sand-gravel cushions of 8- the 3rd, 9- concrete cushions.
Embodiment
Technical solutions of the utility model are described in detail with example below in conjunction with the accompanying drawings.
Shown in reference picture 1, the Soft Ground knot based on reinforced bands sand-gravel cushion described in the utility model embodiment
Structure, including first the 1, first sand-gravel cushion 2 of sandstone cell bag, the first reinforced bands 3, second sandstone cell the 4, second sand-gravel cushion of bag
5th, the second reinforced bands 6, the 3rd sandstone cell the 7, the 3rd sand-gravel cushion 8 of bag and concrete cushion 9, the first 1 point two of sandstone cell bag
Layer is laid on foundation ditch bottommost, and the first sand-gravel cushion 2 is laid on the top of the first sandstone cell bag 1, and the first reinforced bands 3 are laid on
The upper surface of first sand-gravel cushion 2, the second two layers of 5 points of sand-gravel cushion is laid on the upper surface of the first reinforced bands 3, the second sandstone cell bag
4 are arranged at the both ends of the second sand-gravel cushion 5, for being compacted the first reinforced bands 3, and the second reinforced bands 6 are laid on the second sandstone pad
5 upper surface of layer, the 3rd two layers of 8 points of sand-gravel cushion is laid on the upper surface of the second reinforced bands 6, and the 3rd sandstone cell bag 7 is arranged at the
The both ends of three sand-gravel cushions 8, for being compacted the second reinforced bands 6, concrete cushion 9 is laid on the upper table of the 3rd sand-gravel cushion 8
Face.
The utility model be for the soft soil foundation of median low structure taken it is a kind of by cell bag, sand-gravel cushion, add
The Soft Ground structure that rib tape is constituted, treats that foundation ditch is dug to designed elevation, starts construction, comprises the following steps that：
1. material mix：Cobble and hair sand are pressed 3 with loading machine：7 uniform mixs, form sandstone mixture, and simultaneously
Remove the field trash in mixture；
2. the first sandstone cell bag 1 is laid：The sandstone mixture mixed is filled to solid cell bag, the height being filled to is about
For sack 2/3, and stitch tight with sealing machine, form the first sandstone cell bag 1；Then the top of the first sandstone cell bag 1 will be formed suitable
It is compacted and successively divides two layers be laid in bottom of foundation ditch, and often completely spread after one layer, manually with sandstone by between the first sandstone cell bag 1
Gap filling it is closely knit；Simultaneously in the first sandstone cell 1 process of deployment of bag, with staggering 1/3 between around layer cell bag
It is~1/2 bag wide；Two layers of cell bag staggers 1/3~1/2 bag long up and down, is finally reached same layer cell bag and up and down two layers of cell bag
Between meet fissure of displacement laying, and forbid purpose that straight joint occur；
3. the first sand-gravel cushion 2 is laid：Sandstone mixture is layered the uniform surface for being laid on the first sandstone cell bag 1,
Every layer of thickness is generally 20~30cm, and lift height is controlled with sample stake；After the first floor laying finish after, due to soft soil foundation compared with
It is soft, it is impossible to using machinery compacting, and it should to be tamped using ramming machine by manually；Then second layer sandstone is laid successively again
Mixture, and manually tamped；Finally, first floor thickness is formed after compacting, and for 300mm the first sand-gravel cushion 2, (compacting is
Compaction in layers, ability 15cm is thick after every layer of laying 30cm compacting, and that can be only achieved the thickness of 30cm after compacting with regard to two layers of laying of score
Degree)；
4. the first reinforced bands 3 are laid：On the surface of sand-gravel cushion 2, along basic longitudinal and transverse direction, the two-way reinforcement of laying first
Band 3, the center spacing of the first reinforced bands 3 is 500mm；First reinforced bands 3 first lay longitudinal direction and repave transverse direction when laying, act in accordance with simultaneously
Put down, tense, tiling, avoiding folding from turning round；The connection of first reinforced bands 3 uses splicing processes, and the minimum lap of splice is not less than 1m, and connection is strong
Degree is not less than former muscle material intensity；The junction of the first reinforced bands 3 is fixed using the nail joint method of iron nail 11 in length and breadth, and iron nail 11 uses preceding progress
Antirust treatment；First reinforced bands 3 of edge are pressed into the first sand-gravel cushion 2 by the anti-package inflection of inflection reinforced bands 10, and inflection adds
The length of rib tape 10 is not less than at 3m, and edge inflection to be compacted with the second sandstone cell bag 4；The anti-package inflection of first reinforced bands 3 it
Before, first wind after the second 4 outer surfaces 3 of sandstone cell bag circle, then the first reinforced bands 3 are subjected to inflection, while laying the first reinforcement
During band 3, it is to avoid be exposed to the sun for a long time or exposure；
5. the second sand-gravel cushion 5 is laid：Sandstone mixture is layered the uniform surface for being laid on the first reinforced bands 3, every layer
Thickness be generally 30~50cm, and lift height is controlled with sample stake；Simultaneously as first floor sandstone mixture is laid immediately on
The surface of one reinforced bands 3, therefore first floor sandstone mixture will gently fall, and topple over height and keep within 2m, so as not to damage first plus
Rib tape 3；Every layer of sandstone mixture is back and forth rolled using road roller, is typically rolled no less than 4 times, and its wheelspan overlap joint is not less than
50cm；Edge and corner are manually or frog hammer is mended and rams closely knit, and compacting factor is more than 0.95；While in order to ensure second
Caking property between sand-gravel cushion 5, suitably sprinkles water to keep the optimum moisture content of sandstone, one on the surface of the second sand-gravel cushion 5
As be 8%~l2%, then lay in two times successively again and be compacted sandstone mixture, ultimately form second layer thickness for 700mm
The second sand-gravel cushion 5；
6. the second reinforced bands 6 are laid：The laying of second reinforced bands 6 with step 4. in the first reinforced bands 3 process of deployment, business
The Shunping County of the second reinforced bands 6, tension, tiling must be ensured, and before the anti-package inflection of the second reinforced bands 6, first wind the 3rd sandstone cell
After the circle of 7 outer surfaces 3 of bag, then the second reinforced bands 6 are subjected to inflection, the length of inflection reinforced bands 10 is not less than 3m, while when avoiding long
Between be exposed to the sun or exposure；
7. the 3rd sand-gravel cushion 8 is laid：The laying of 3rd sand-gravel cushion 8 with weight step 5. in the second sand-gravel cushion 5 paving
If process, because first floor sandstone mixture is laid immediately on the surface of the second reinforced bands 6, thereby, it is ensured that first floor sandstone mixture will
Gently falling, and topple over height to keep within 2m, in order to avoid damage the second reinforced bands 6；
8. concrete cushion 9 is laid：Treat that the laying of the 3rd sand-gravel cushion 8 is finished, the 3rd sand-gravel cushion 8 is carried out levelling and tested
Receive, after completely qualified, the thick concrete cushions 9 of one layer of 100mm are laid on the surface of the 3rd sand-gravel cushion 8；Meanwhile, to concrete mats
Layer 9 is sprinkled water, conserved, and is finally reached concrete design strength.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the utility model appended claims.
Claims (5)
1. a kind of Soft Ground structure based on reinforced bands sand-gravel cushion, it is characterised in that：At least include the first sandstone born of the same parents
Chamber bag, the first sand-gravel cushion, the first reinforced bands, the second sand-gravel cushion, the second reinforced bands, the 3rd sand-gravel cushion and concrete mats
Layer, the first sandstone cell bag, which divides two layers, is laid on foundation ditch bottommost, and the first sand-gravel cushion is laid on the first sandstone cell bag
Top, the first reinforced bands are laid on the first sand-gravel cushion upper surface, and the second sand-gravel cushion point is laid on the first reinforced bands two layers
Upper surface, the second reinforced bands are laid on the second sand-gravel cushion upper surface, and the 3rd sand-gravel cushion, which divides two layers, is laid on the second reinforced bands
Upper surface, concrete cushion is laid on the upper surface of the 3rd sand-gravel cushion.
2. the Soft Ground structure according to claim 1 based on reinforced bands sand-gravel cushion, it is characterised in that：Also wrap
The second sandstone cell bag and the 3rd sandstone cell bag are included, the second sandstone cell bag is arranged at the two ends of the second sand-gravel cushion
Portion, for being compacted the first reinforced bands, the 3rd sandstone cell bag is arranged at the both ends of the 3rd sand-gravel cushion, for being compacted the
Two reinforced bands.
3. the Soft Ground structure according to claim 1 based on reinforced bands sand-gravel cushion, it is characterised in that：It is described
The gross thickness of first sandstone cell bag is 0.5 ~ 0.6m, and the thickness of the first sand-gravel cushion 2 is 0.3 ~ 0.4m, the second sand-gravel cushion thickness
0.7 ~ 0.8m, the 3rd sand-gravel cushion thickness is 0.5 ~ 0.6m, and concrete cushion thickness is 0.1m.
4. the Soft Ground structure according to claim 2 based on reinforced bands sand-gravel cushion, it is characterised in that：It is described
The same layer cell bag of first sandstone cell bag and up and down two layers of cell bag fissure of displacement laying, between around layer cell bag
Stagger 1/3 ~ 1/2 bag wide；Two layers of cell bag staggers 1/3 ~ 1/2 bag long up and down.
5. the Soft Ground structure according to claim 1 based on reinforced bands sand-gravel cushion, it is characterised in that：It is described
First reinforced bands, the second reinforced bands each along basis the two-way laying in longitudinal and transverse direction, in the first reinforced bands, the second reinforced bands
In the heart away from for 500 ~ 550mm, the first reinforced bands, the second reinforced bands junction are fixed using iron nail nail joint method in length and breadth, edge
The first reinforced bands, the second reinforced bands the first sand-gravel cushion, the second sandstone pad are respectively pressed into by inflection reinforced bands anti-package inflection
Layer, inflection reinforcement strip length is not less than 3m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621462622.7U CN206591507U (en) | 2016-12-28 | 2016-12-28 | A kind of Soft Ground structure based on reinforced bands sand-gravel cushion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621462622.7U CN206591507U (en) | 2016-12-28 | 2016-12-28 | A kind of Soft Ground structure based on reinforced bands sand-gravel cushion |
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| Publication Number | Publication Date |
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| CN206591507U true CN206591507U (en) | 2017-10-27 |
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ID=60131327
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| CN201621462622.7U Expired - Fee Related CN206591507U (en) | 2016-12-28 | 2016-12-28 | A kind of Soft Ground structure based on reinforced bands sand-gravel cushion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030665A (en) * | 2020-08-10 | 2020-12-04 | 滁州职业技术学院 | Construction method of vibration-compacted large-pore permeable concrete pavement |
-
2016
- 2016-12-28 CN CN201621462622.7U patent/CN206591507U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030665A (en) * | 2020-08-10 | 2020-12-04 | 滁州职业技术学院 | Construction method of vibration-compacted large-pore permeable concrete pavement |
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Granted publication date: 20171027 |