CN108265735A - High latitude High Temperature Permafrost area highway raft plate-pile composite foundation and process for constructing - Google Patents
High latitude High Temperature Permafrost area highway raft plate-pile composite foundation and process for constructing Download PDFInfo
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- CN108265735A CN108265735A CN201810112870.6A CN201810112870A CN108265735A CN 108265735 A CN108265735 A CN 108265735A CN 201810112870 A CN201810112870 A CN 201810112870A CN 108265735 A CN108265735 A CN 108265735A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/01—Flat foundations
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- 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
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- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/58—Prestressed concrete piles
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Piles And Underground Anchors (AREA)
Abstract
High latitude High Temperature Permafrost area highway subgrade raft sheet pile composite foundation and process for constructing.At present CFG in the construction process its generate heat of hydration stake week frozen soil will be produced bigger effect, frozen soil melt after its sidewise restraint be substantially reduced, to CFG pile bearing capacities generation significantly affect.Present invention composition includes：Ground, the ground have one group of prefabricated pile（8）, have inter-pile soil between the two neighboring prefabricated pile（7）, the prefabricated pile lower part sequentially passes through fertile soil（3）, peat soil（4）, High Temperature Permafrost layer（5）Positioned at the pile-base supporting layer（6）On, go deep into raft plate at the top of the prefabricated pile（1）Interior, the raft plate is arranged with XPS thermal insulation boards（2）, the XPS thermal insulation boards divide into mattress layer（12）.The present invention is applied to high latitude High Temperature Permafrost area highway subgrade raft sheet pile composite foundation and process for constructing.
Description
Technical field：
The present invention relates to a kind of high latitude High Temperature Permafrost area highway subgrade raft plate-pile composite foundation and process for constructing, belong to highway
Roadbed construction field.
Background technology：
China's ever-frozen ground is mainly distributed on Qinghai-xizang Plateau Region and Xiaoxing ' anling Mountains of Heilongjiang Province area.It is repaiied in Permafrost Area
The problem that the always engineers and technicians that build an automobile road face, but with the development of science and technology, scientific research personnel and engineering technology
Personnel have deepened the awareness and understanding to ever-frozen ground, thus also have investigated Permafrost Area build highway new method it is new
Technology.Nowadays the engineering measure mainly used of building highway both at home and abroad in Permafrost Area has the roadbed for building special shape, such as
Hot-mix recycling, ventilation pipe foundation etc. are also exactly that the form of composite foundation is taken to strengthen ground, as replacement stone pile composite foundation,
CFG pile composite foundations and CFG-raft composite foundation etc..
However frozen soil foundation is reinforced using CFG at present, have ground in the high latitude extremely frigid zones segregated frozen ground in northeast
Wen Gao, thickness are small, and frozen soil itself thermal stability is poor, and it is more sensitive to its disturbance that this allows for engineering activity.And CFG
In work progress its generate heat of hydration stake week frozen soil will be produced bigger effect, frozen soil melt after its sidewise restraint be substantially reduced,
The generation of CFG pile bearing capacities is significantly affected.
Invention content：
The purpose of the present invention is overcome existing CFG to frozen soil foundation reinforce its sidewise restraint after frozen soil melts significantly to drop
It is low, CFG pile bearing capacities are led to the problem of and are significantly affected, provide a kind of guarantee roadbed quality, it is ensured that Frozen Ground Area roadbed
Build quality and intensity
Above-mentioned purpose is realized by following technical scheme：
A kind of high latitude High Temperature Permafrost area highway subgrade raft plate-pile composite foundation, composition include：Ground, the ground have
One group of prefabricated pile has inter-pile soil between the two neighboring prefabricated pile, and the prefabricated pile lower part sequentially passes through fertile soil, mud
Charcoal soil, High Temperature Permafrost layer are located on pile-base supporting layer, go deep into raft plate at the top of the prefabricated pile, the raft plate is arranged with
XPS thermal insulation boards, the XPS thermal insulation boards divide into mattress layer.
The high latitude High Temperature Permafrost local highway roadbed raft plate-pile composite foundation has road on the raft plate successively
Dike, earth shoulder and road surface structare layer.
The high latitude High Temperature Permafrost local highway roadbed raft plate-pile composite foundation, the prefabricated pile are prestressing force
Hollow shell pill or prestressed solid square pile.
The high latitude High Temperature Permafrost local highway roadbed raft plate-pile composite foundation, the raft plate set bilayer to be interior
Glass fibre composite reinforcing net or double-deck hot cold-rolled ribbed steel bars cast-in-place frost-resistant concrete and the overall structure that is formed on the net.
The high latitude High Temperature Permafrost local highway roadbed raft plate-pile composite foundation, the construction width of the raft plate
More than the arrangement width of the prefabricated pile.
A kind of process for constructing of high latitude High Temperature Permafrost area highway subgrade raft plate-pile composite foundation, this method include as follows
Step：
（1）Place is levelling；
Levelling of the land is carried out in the range of being built to raft plate-pile composite foundation, earth's surface weeds, leaf, tree root etc. is removed, does not destroy island
Shape ever-frozen ground ground mulching layer, avoids that ever-frozen ground thermal agitation is caused to melt；
（2）Making Base with Sand Gravel Cushion；
Using push construction method making natural soft-clay screed-coat, while raft plate mattress layer is also served as, in order to drill, prefabricated pile
It sinks to and the construction of raft plate, job platform is provided；
（3）Hollow shell pill is prefabricated；
Due to pile for prestressed pipe production technology（Centrifugal method）The reason of, pile pile is non-solid but hollow, and frost heave occurs for easy ponding
Pile concrete durability is impacted, therefore prefabricated pile bottom is blocked.Prefabricated tubular pile should carry out prefabricated in advance, it is ensured that pre-
Tubulation pile concrete preserving period, stake is long to survey report in detail according to frozen soil section geology to determine, segmentation prefabricating is answered more than 6 meters, sink
It is fashionable to be spliced；
（4）Long auger and prefabricated pile are sunk to；
Dry method pore-forming is carried out with long-spiral drilling machine, drilling machine uses and the matched broken rock drill bit of stake diameter, drilling to design stake bottom elevation
（That is pile-base supporting layer）, prefabricated pile use pre stressed empty piped piles or solid square pile, by design spacing it is quincunx or it is square into
Row is laid, and construction width is roadbed design width, and when prefabricated pile sinks to construction, stake top absolute altitude is higher than 30 centimetres of design altitude
Left and right, prefabricated pile top are goed deep into raft plate, and rest part abolishes concrete and breaks prefabricated pile main reinforcement outward, is reverse umbrella-type depth
Enter in raft plate, stake it is long more than 6 meters when, spliced when sinking to, it is ensured that be connected firmly, after stake bottom is drowned into supporting course, utilize
Large excavator scraper bowl or machine of extricating oneself from a predicament and brace oneself up to action hammering are for several times so that stake bottom is implemented, and must not be come to nothing；
（5）Broken pile crown；
Pile crown is crushed using pneumatic pick, pile body reinforcing bar is exposed and bends towards outside, is reverse umbrella-type and gos deep into raft plate；
（6）Raft slab muscle is bound and formwork support arrangement；
Raft plate is laid using double glazing fibre composite reinforcement net or double-deck hot cold-rolled ribbed steel bars net, mesh size by design spacing,
Branching standing template；
（7）Raft plate concrete pouring and preservation；
Raft plate uses cast-in-place frost-resistant concrete, block construction, and construction width is the extension width of construction of prefabricated piles width+outside both sides
Degree covers health after the completion of pouring, roadbed filling is carried out after raft board concrete reaches design strength immediately.
Advantageous effect：
1. the present invention is mainly to be to provide a kind of high latitude High Temperature Permafrost area highway subgrade raft plate-pile composite foundation construction technology,
It is explored in the present invention unconcerned highway construction in Beijing a whole set of suitable for high latitude High Temperature Permafrost area highway bed construction method, high standard
Construction method, frost-resistant concrete raft foundation, the glass fibre composite reinforcing of high intensity, the pile for prestressed pipe of high intensity or side
Stake, high performance XPS thermal insulation boards and rational prefabricated pile layout, solve high latitude High Temperature Permafrost area highway subgrade and build
It is difficult, it is difficult to ensure roadbed quality problems, it is ensured that Frozen Ground Area roadbed construction quality and intensity ensure that highway total quality
And safety.
The present invention has selected the glass fibre composite reinforcing of high intensity, it be by fibrous material and basis material by a certain percentage
The high-performance section bar material formed after mixing, has corrosion-resistant, insulation, heat-insulated and saturating electromagnetic wave, the ultimate tensile strength big, antifatigue
Performance is high, increases adsorption capacity, is heat-resisting, can bear temperature more better than metal and conventional fiber glass and intensity.So manufacture is public
Road raft plate has strong light weight, structure, good integrity, glass fibre composite reinforcing is added in raft plate, greatly strengthens raft plate
Integral strength improves the anti-bending strength of raft plate.Plank thickness is reduced, has saved construction cost.Mitigate plank thickness so as to mitigate
Raft plate lower part square pile bears the pressure from upper load,
3. the present invention has selected high performance XPS thermal insulation boards, it is extrusion moulding type polystyrene heat insulating board, is with polystyrene
Resin adds other supplementary materials and polymer for raw material, by heating mixing injecting catalyst simultaneously, then extrusion molding extrude into
Type and the rigid foam plate manufactured have extremely low water imbibition, low thermal conductivity coefficient, high pressure resistance, ageing resistance.In raft plate
Upper and lower two parts, which increase XPS thermal insulation boards, can effectively completely cut off from extraneous temperature conduction, greatly reduce because of extraneous temperature
Influence of the difference variation to square pile stake pereletok, substantially increases integrally-built stability.
The present invention select long-spiral drilling machine carry out dry method pore-forming, drilling machine use with the matched broken rock drill bit of stake diameter, drilling extremely
Design stake bottom elevation（That is pile-base supporting layer）, prefabricated pile uses pre stressed empty piped piles or solid square pile, by design spacing plum blossom
Shape or square are laid, and construction width is roadbed design width, and when prefabricated pile sinks to construction, stake top absolute altitude, which is higher than, to be set
30 centimetres or so of elevation is counted, prefabricated pile top is goed deep into raft plate, and rest part abolishes concrete and breaks prefabricated pile main reinforcement outward
Side is reverse umbrella-type and gos deep into raft plate, stake it is long more than 6 meters when, spliced when sinking to, it is ensured that be connected firmly, when stake bottom is drowned into
After supporting course, hammered for several times using large excavator scraper bowl or machine of extricating oneself from a predicament and brace oneself up to action so that stake bottom is implemented, and must not be come to nothing；By not destroying
Increase foundation bearing capacity by the way of piling in the case of original ground, reasonably adjusted between stake according to practical geological condition
Away from so as to improve integrally-built bearing capacity.This mode greatly reduces construction cost with traditional process for constructing, improves
Total quality.
Raw material of the present invention mainly include frost-resistant concrete, natural soft-clay, prefabricated pile, glass fibre composite reinforcing, XPS heat preservations
The materials such as plate, more than material directly affect the intensity, quality and engineering economy of entire ground, and the present invention has formulated stringent material
Material inspection of marching into the arena is checked on system, it is ensured that the quality of raw material.
Description of the drawings：
Attached drawing 1 is the structure diagram of the present invention；
Attached drawing 2 is one of layout drawing of prefabricated pile；
Attached drawing 3 is the two of the layout drawing of prefabricated pile；
In figure：1st, raft plate；2nd, XPS thermal insulation boards；3rd, humic soil layer；4th, peat soil layer；5th, High Temperature Permafrost layer；6th, pile-base supporting layer；
7th, inter-pile soil；8th, prefabricated pile；9th, embankment；10th, earth shoulder；11st, road surface structare layer；12nd, mattress layer；13rd, back-pressure banket.
Specific embodiment：
Embodiment 1：
A kind of high latitude High Temperature Permafrost local highway roadbed raft plate-pile composite foundation, composition include：Ground, the ground
There is one group of prefabricated pile 8, have inter-pile soil 7 between the two neighboring prefabricated pile, the prefabricated pile lower part sequentially passes through fertile soil
3rd, peat soil 4, High Temperature Permafrost layer 5 are located on the pile-base supporting layer 6, go deep into raft plate 1 at the top of the prefabricated pile, described
Raft plate be arranged with XPS thermal insulation boards 2, the XPS thermal insulation boards divide into mattress layer 12.
Embodiment 2：
According to high latitude High Temperature Permafrost local highway roadbed raft plate-pile composite foundation described in embodiment 1, on the raft plate according to
It is secondary to have embankment 9, earth shoulder 10, road surface structare layer 11 and back-pressure banket 13.
Embodiment 3：
High latitude High Temperature Permafrost local highway roadbed raft plate-pile composite foundation according to embodiment 1 or 2, described is prefabricated
Stake is pre stressed empty piped piles or prestressed solid square pile, and the two neighboring prefabricated pile spacing is determined by design checking.
Embodiment 4：
High latitude high temperature local highway roadbed raft plate-pile composite foundation according to embodiment 1 or 2 or 3, the raft plate are
Double glazing fibre composite reinforcement net or double-deck hot cold-rolled ribbed steel bars net are inside set, cast-in-place frost-resistant concrete and the overall structure that is formed.
Embodiment 5：
High latitude High Temperature Permafrost local highway roadbed raft plate-pile composite foundation according to embodiment 1 or 2 or 3 or 4, it is described
Raft plate construction width be more than the prefabricated pile arrangement width.
Embodiment 6：
A kind of process for constructing of high latitude High Temperature Permafrost local highway roadbed raft plate-pile composite foundation, this method include following step
Suddenly：
（1）Place is levelling
Levelling of the land is carried out in the range of being built to raft plate-pile composite foundation, earth's surface weeds, leaf, tree root etc. is removed, does not destroy island
Shape ever-frozen ground ground mulching layer, avoids that ever-frozen ground thermal agitation is caused to melt；
（2）Making Base with Sand Gravel Cushion
Using push construction method making natural soft-clay screed-coat, while raft plate mattress layer is also served as, in order to drill, prefabricated pile
It sinks to and the construction of raft plate, job platform is provided；
（3）Pile for prestressed pipe or square pile are prefabricated
Due to pile for prestressed pipe production technology（Centrifugal method）The reason of, pile pile is non-solid but hollow, and frost heave occurs for easy ponding
Pile concrete durability is impacted, therefore prefabricated pile bottom is blocked.Prefabricated tubular pile should carry out prefabricated in advance, it is ensured that pre-
Tubulation pile concrete preserving period, stake is long to survey report in detail according to frozen soil section geology to determine, segmentation prefabricating is answered more than 6 meters, sink
It is fashionable to be spliced；
（4）Long auger and prefabricated pile are sunk to
Dry method pore-forming is carried out with long-spiral drilling machine, drilling machine uses and the matched broken rock drill bit of stake diameter, drilling to design stake bottom elevation
（That is pile-base supporting layer）, prefabricated pile use pre stressed empty piped piles or solid square pile, by design spacing it is quincunx or it is square into
Row is laid, and construction width is roadbed design width, and when prefabricated pile sinks to construction, stake top absolute altitude is higher than 30 centimetres of design altitude
Left and right, prefabricated pile top are goed deep into raft plate, and rest part abolishes concrete and breaks prefabricated pile main reinforcement outward, is reverse umbrella-type depth
Enter in raft plate, stake it is long more than 6 meters when, spliced when sinking to, it is ensured that be connected firmly, after stake bottom is drowned into supporting course, utilize
Large excavator scraper bowl or machine of extricating oneself from a predicament and brace oneself up to action hammering are for several times so that stake bottom is implemented, and must not be come to nothing；
（5）Broken pile crown
Pile crown is crushed using pneumatic pick, pile body reinforcing bar is exposed and bends towards outside, is reverse umbrella-type and gos deep into raft plate.
（6）Raft slab muscle is bound and formwork support arrangement
Raft plate is laid using double glazing fibre composite reinforcement net or double-deck hot cold-rolled ribbed steel bars net, mesh size by design spacing,
Branching standing template；
（7）Raft plate concrete pouring and preservation
Raft plate uses cast-in-place frost-resistant concrete, block construction, and construction width is the extension width of construction of prefabricated piles width+outside both sides
Degree covers health after the completion of pouring, roadbed filling is carried out after raft board concrete reaches design strength immediately.
Claims (6)
1. a kind of high latitude High Temperature Permafrost area highway subgrade raft plate-pile composite foundation, composition includes：Ground, it is characterized in that：Institute
The ground stated has one group of prefabricated pile, has inter-pile soil between the two neighboring prefabricated pile, the prefabricated pile lower part is worn successively
It crosses fertile soil, peat soil, High Temperature Permafrost layer to be located on pile-base supporting layer, go deep into raft plate at the top of the prefabricated pile, it is described
Raft plate is arranged with XPS thermal insulation boards, and the XPS thermal insulation boards divide into mattress layer.
2. high latitude High Temperature Permafrost local highway roadbed raft plate-pile composite foundation according to claim 1, it is characterized in that：
There are embankment, earth shoulder and road surface structare layer successively on the raft plate.
3. high latitude High Temperature Permafrost local highway roadbed raft plate-pile composite foundation according to claim 1, it is characterized in that：
The prefabricated pile is pre stressed empty piped piles or prestressed solid square pile.
4. high latitude High Temperature Permafrost local highway roadbed raft plate-pile composite foundation according to claim 1, it is characterized in that：
The raft plate sets double glazing fibre composite reinforcement net or double-deck hot cold-rolled ribbed steel bars cast-in-place frost-resistant concrete and shape on the net to be interior
Into overall structure.
5. high latitude High Temperature Permafrost local highway roadbed raft plate-pile composite foundation according to claim 1 or 4, feature
It is：The construction width of the raft plate is more than the arrangement width of the prefabricated pile.
6. a kind of process for constructing of high latitude High Temperature Permafrost area highway subgrade raft plate-pile composite foundation described in claim 1-5,
It is characterized in that：This method comprises the following steps：
（1）Place is levelling；
Levelling of the land is carried out in the range of being built to raft plate-pile composite foundation, earth's surface weeds, leaf, tree root etc. is removed, does not destroy island
Shape ever-frozen ground ground mulching layer, avoids that ever-frozen ground thermal agitation is caused to melt；
（2）Making Base with Sand Gravel Cushion；
Using push construction method making natural soft-clay screed-coat, while raft plate mattress layer is also served as, in order to drill, prefabricated pile
It sinks to and the construction of raft plate, job platform is provided；
（3）Hollow shell pill is prefabricated；
Due to pile for prestressed pipe production technology（Centrifugal method）The reason of, pile pile is non-solid but hollow, and frost heave occurs for easy ponding
Pile concrete durability is impacted, therefore prefabricated pile bottom is blocked.Prefabricated tubular pile should carry out prefabricated in advance, it is ensured that pre-
Tubulation pile concrete preserving period, stake is long to survey report in detail according to frozen soil section geology to determine, segmentation prefabricating is answered more than 6 meters, sink
It is fashionable to be spliced；
（4）Long auger and prefabricated pile are sunk to；
Dry method pore-forming is carried out with long-spiral drilling machine, drilling machine uses and the matched broken rock drill bit of stake diameter, drilling to design stake bottom elevation
（That is pile-base supporting layer）, prefabricated pile use pre stressed empty piped piles or solid square pile, by design spacing it is quincunx or it is square into
Row is laid, and construction width is roadbed design width, and when prefabricated pile sinks to construction, stake top absolute altitude is higher than 30 centimetres of design altitude
Left and right, prefabricated pile top are goed deep into raft plate, and rest part abolishes concrete and breaks prefabricated pile main reinforcement outward, is reverse umbrella-type depth
Enter in raft plate, stake it is long more than 6 meters when, spliced when sinking to, it is ensured that be connected firmly, after stake bottom is drowned into supporting course, utilize
Large excavator scraper bowl or machine of extricating oneself from a predicament and brace oneself up to action hammering are for several times so that stake bottom is implemented, and must not be come to nothing；
（5）Broken pile crown；
Pile crown is crushed using pneumatic pick, pile body reinforcing bar is exposed and bends towards outside, is reverse umbrella-type and gos deep into raft plate；
（6）Raft slab muscle is bound and formwork support arrangement；
Raft plate is laid using double glazing fibre composite reinforcement net or double-deck hot cold-rolled ribbed steel bars net, mesh size by design spacing,
Branching standing template；
（7）Raft plate concrete pouring and preservation；
Raft plate uses cast-in-place frost-resistant concrete, block construction, and construction width is the extension width of construction of prefabricated piles width+outside both sides
Degree covers health after the completion of pouring, roadbed filling is carried out after raft board concrete reaches design strength immediately.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810112870.6A CN108265735A (en) | 2018-02-05 | 2018-02-05 | High latitude High Temperature Permafrost area highway raft plate-pile composite foundation and process for constructing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810112870.6A CN108265735A (en) | 2018-02-05 | 2018-02-05 | High latitude High Temperature Permafrost area highway raft plate-pile composite foundation and process for constructing |
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| CN108265735A true CN108265735A (en) | 2018-07-10 |
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| CN201810112870.6A Pending CN108265735A (en) | 2018-02-05 | 2018-02-05 | High latitude High Temperature Permafrost area highway raft plate-pile composite foundation and process for constructing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625231A (en) * | 2018-07-25 | 2018-10-09 | 中铁七局集团第二工程有限公司 | A kind of stake-anchor-plate push-pull-type road structure |
| CN108824097A (en) * | 2018-07-25 | 2018-11-16 | 中铁七局集团第工程有限公司 | Prefabricated GFRP pipe concrete stake and armoured concrete slab overhead type roadbed pile slab structure |
| CN108867223A (en) * | 2018-08-15 | 2018-11-23 | 王俊茹 | A method of high-grade highway is built in unfavorable geological condition region |
| CN115075281A (en) * | 2022-07-26 | 2022-09-20 | 西南石油大学 | CFG pile-raft composite foundation structure capable of relieving thermal disturbance of frozen soil and construction method |
| CN115680005A (en) * | 2022-10-09 | 2023-02-03 | 中交第一公路勘察设计研究院有限公司 | Assembled overhead structure of highway in high-intensity permafrost region and construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010209605A (en) * | 2009-03-11 | 2010-09-24 | Takenaka Komuten Co Ltd | Piled-raft foundation |
| CN102628247A (en) * | 2012-04-24 | 2012-08-08 | 天津二十冶建设有限公司 | Insulation construction method for frozen-earth roadbed |
| CN103388341A (en) * | 2013-07-29 | 2013-11-13 | 江苏翔森建设工程有限公司 | Large-sized piled raft foundation structure and construction method |
| CN103526770A (en) * | 2013-10-16 | 2014-01-22 | 鸿鑫建设集团有限公司 | High-impermeable anti-floating pile raft structure and construction method |
| CN205115937U (en) * | 2015-09-29 | 2016-03-30 | 中铁第四勘察设计院集团有限公司 | Roadbed structure of crowded native bored concrete pile stake raft of two -way spiral |
-
2018
- 2018-02-05 CN CN201810112870.6A patent/CN108265735A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010209605A (en) * | 2009-03-11 | 2010-09-24 | Takenaka Komuten Co Ltd | Piled-raft foundation |
| CN102628247A (en) * | 2012-04-24 | 2012-08-08 | 天津二十冶建设有限公司 | Insulation construction method for frozen-earth roadbed |
| CN103388341A (en) * | 2013-07-29 | 2013-11-13 | 江苏翔森建设工程有限公司 | Large-sized piled raft foundation structure and construction method |
| CN103526770A (en) * | 2013-10-16 | 2014-01-22 | 鸿鑫建设集团有限公司 | High-impermeable anti-floating pile raft structure and construction method |
| CN205115937U (en) * | 2015-09-29 | 2016-03-30 | 中铁第四勘察设计院集团有限公司 | Roadbed structure of crowded native bored concrete pile stake raft of two -way spiral |
Non-Patent Citations (1)
| Title |
|---|
| 高海剑: "多年冻土区CFG桩工艺在工程中的应用", 《建筑技术开发》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625231A (en) * | 2018-07-25 | 2018-10-09 | 中铁七局集团第二工程有限公司 | A kind of stake-anchor-plate push-pull-type road structure |
| CN108824097A (en) * | 2018-07-25 | 2018-11-16 | 中铁七局集团第工程有限公司 | Prefabricated GFRP pipe concrete stake and armoured concrete slab overhead type roadbed pile slab structure |
| CN108867223A (en) * | 2018-08-15 | 2018-11-23 | 王俊茹 | A method of high-grade highway is built in unfavorable geological condition region |
| CN108867223B (en) * | 2018-08-15 | 2021-08-27 | 王俊茹 | Method for building high-grade highway in area with unfavorable geological conditions |
| CN115075281A (en) * | 2022-07-26 | 2022-09-20 | 西南石油大学 | CFG pile-raft composite foundation structure capable of relieving thermal disturbance of frozen soil and construction method |
| CN115075281B (en) * | 2022-07-26 | 2023-10-31 | 西南石油大学 | CFG pile-raft composite foundation structure capable of relieving thermal disturbance of frozen soil and construction method |
| CN115680005A (en) * | 2022-10-09 | 2023-02-03 | 中交第一公路勘察设计研究院有限公司 | Assembled overhead structure of highway in high-intensity permafrost region and construction method |
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Application publication date: 20180710 |