CN108978625A - A kind of sand pile joint High vacuum compacting method construction of soft soil treatment engineering method - Google Patents
A kind of sand pile joint High vacuum compacting method construction of soft soil treatment engineering method Download PDFInfo
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- CN108978625A CN108978625A CN201810953012.4A CN201810953012A CN108978625A CN 108978625 A CN108978625 A CN 108978625A CN 201810953012 A CN201810953012 A CN 201810953012A CN 108978625 A CN108978625 A CN 108978625A
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- Prior art keywords
- sand pile
- sand
- high vacuum
- soft
- soft soil
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
Abstract
The present invention relates to Geotechnical Engineering fields, disclose a kind of sand pile joint High vacuum compacting method construction of soft soil treatment engineering method, comprising: choose treatment of soft foundation region, and sand pile is inserted perpendicularly into soft base region to be processed；Drainpipe is inserted into sand pile；Drainpipe is controlled to a vacuum pump, medium coarse sand bed course is laid at the top of sand pile；Vacuum pump is opened, draining is vacuumized；Multiple strong rammer is carried out to medium coarse sand bed course using compacting roller or heavy type rolls.The present invention is to increase insertion drainpipe in sand pile, and three-dimensional drainage channel is formed with sand pile top medium coarse sand bed course, sand pile not only acts as compacted and composite foundation effect, and the pore water of the soil body can more quickly be discharged, reaching reduces the water content of soil layer, improves compactness and foundation bearing capacity, reduces settlement of foundation and differential settlement.The scope of application of sand pile, " High vacuum compacting method " technical treatment Soft Soil is further expanded, the construction period is short, cost is lower, processing groundwork bearing capacity is higher.
Description
Technical field
The present invention relates to Geotechnical Engineering fields, combine High vacuum compacting method treatment of soft foundation more particularly to a kind of sand pile
Construction.
Background technique
Draining concretion method is a kind of traditional effective ways of soft soil foundation, is setting sand drain in subsoil, packed
The vertical drain wells such as sand drain, plastic draining board, in piling prepressing, vacuum preloading, vacuum preloading and piling prepressing united, electro-osmosis method
And reduce makes the pore water in the soil body be discharged, gradually consolidate under the effect of the additional loads such as underground water, void ratio reduces, and shearing resistance is strong
Degree improves, and improves foundation bearing capacity, reduction settlement after construction to reach；Quick " High vacuum compacting method " skill of the one kind invented in recent years
Art is to add vibroroller cmpacting or dynamic compaction method using high vacuum well-points dewatering to reduce the water content of the processing soil body, to improve the soil body
Compactness.
But traditional draining concretion method soft soil foundation construction period is long, treated, and foundation bearing capacity is lower, stablizes
It is undesirable with settlement control difficult (calculated value often differs greatly with measured value), quality control effect；" high-vacuum densification
Method " requires quilt though the technical treatment soft soil foundation construction period is shorter, construction cost is low, treated, and foundation bearing capacity is higher
Relatively preferably (infiltration coefficient is not less than 10 to the permeability of Ground Treatment soil-5Cm/s), the scope of application of soft soil foundation condition
Centainly limited to.
Summary of the invention
(1) technical problems to be solved
The object of the present invention is to provide the soft bases that a kind of conventional discharge concretion method is combined with " High vacuum compacting method " technology
Construction is handled, to make full use of the advantage and disadvantage of the two, learn from other's strong points to offset one's weaknesses, solves conventional discharge concretion method, " high-vacuum densification
Method " technology is there are the influence for the treatment of measures and foundation condition adaptability, quality control effect is undesirable, stable or sedimentation and deformation control
The problems such as system difficulty, reliability and economy contradiction, the scope of application of soft soil foundation condition is further expanded, enriches draining
The theory and practice of concretion method.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of sand piles to combine High vacuum compacting method construction of soft soil treatment work
Method, comprising: S1, choose treatment of soft foundation region, and sand pile is inserted perpendicularly into soft base region to be processed；S2, it is inserted into sand pile
Drainpipe；S3, drainpipe is controlled to a vacuum pump, medium coarse sand bed course is laid at the top of sand pile；S4, vacuum pump is opened, vacuumized
Draining；S5, the multiple strong rammer of medium coarse sand bed course progress or heavy type are rolled using compacting roller, the drainpipe is inserted into sand pile
In increase high vacuum well-points dewatering vertical drainage channel diameter, and be jointly formed three-dimensional draining with the stake item medium coarse sand bed course
The pore water of the soil body can be more quickly discharged in channel, accelerate the discharging consolidation of weak soil, shorten consolidation time, to reach drop
The water content of the low soil body improves compactness and foundation bearing capacity, reduces settlement of foundation and differential settlement, can expand sand pile, " height
The scope of application of vacuum bumping method " technical treatment Soft Soil.
Wherein, the sand pile is multiple in the soft base region setting to be processed, and between the two neighboring sand pile
Away from identical.
Wherein, the sand pile is in equilateral triangle or square setting.
Wherein, the stake electrical path length of the sand pile is 300mm-500mm.
Wherein, the medium coarse sand bed course with a thickness of 400mm-600mm.
Wherein, the drainpipe uses outer diameter for floral tube made of the steel pipe of 30mm-50mm or pvc pipe.
Wherein, the vacuum pump is jet vacuum pump or the vacuum pump with homeostasis cylinder.
Wherein, the sand pile is made of medium coarse sand hard material, and clay content is not more than 3%, and maximum particle diameter is not more than 50mm.
Wherein, further include the total collector pipe of well point equipment, the drainpipe by the total collector pipe of well point equipment with it is described
Vacuum pump connection.
(3) beneficial effect
A kind of sand pile provided by the invention combines " High vacuum compacting method " construction of soft soil treatment engineering method, by sand pile and " Gao Zhen
Sky hits close method " two kinds of processing methods organically combine at one piece, pass through and increase insertion drainpipe in sand pile (stake diameter is not less than 0.3m)
And it is jointly formed three-dimensional drainage channel with sand pile top medium coarse sand bed course, effectively increase the vertical drainage of high vacuum well-points dewatering
Channel diameter, by the formation condition of " High vacuum compacting method " processing soft base, by permeability, relatively preferably (infiltration coefficient is not less than 10- 5Cm/s) it is extended to the relatively poor (infiltration coefficient 10 of permeability-7Cm/s~10-8Cm/s), sand pile and " high vacuum have been expanded significantly
Hit close method " scope of application of soft soil foundation condition, the advantage and disadvantage both given full play to learn from other's strong points to offset one's weaknesses, and drop is reached after processing
The water content of the low soil body, foundation bearing capacity be higher, reduces ground settlement after construction and differential settlement, the construction period is short, cost compared with
It is low.
Detailed description of the invention
Fig. 1 is the schematic diagram that a kind of sand pile of the present invention combines " High vacuum compacting method " treatment of soft foundation structure；
Fig. 2 is the plan view that a kind of sand pile of the present invention combines " High vacuum compacting method " treatment of soft foundation structure.
In figure, 1, treatment of soft foundation region；2, medium coarse sand bed course；3, drainpipe；4, sand pile；5, the total collector pipe of well point equipment；
6, stratum to be processed；7, ground line；8, vacuum pump；9, roller is tamped；10, stratum line of demarcation.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Following instance
For illustrating the present invention, but it is not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As Figure 1-Figure 2, the present invention discloses a kind of sand pile joint " High vacuum compacting method " treatment of soft foundation structure, feature
It is, comprising: sand pile 4, drainpipe 3, vacuum pump 8 and medium coarse sand bed course 2, sand pile 4 are inserted perpendicularly into soft base region to be processed, row
Water pipe 3 is inserted into sand pile 4, and drainpipe 3 is connect with vacuum pump 8, and medium coarse sand bed course 2 is layed in the top of sand pile 4.
Specifically, because needing to draw water using water pump by drainpipe 3, therefore drainpipe 3 needs to select high vacuum drainpipe,
To meet the design requirement for vacuumizing draining.Sand pile 4 is made of medium coarse sand, and clay content is not more than 3%, to ensure in weak soil
The drainage effect of pore water；Drainpipe 3 uses outer diameter for floral tube made of the steel pipe of 30mm-50mm or pvc pipe, is also possible to have
There are other geosynthetics of same performance；Vacuum pump 8 is jet vacuum pump or the vacuum pump with homeostasis cylinder, is had
Conducive to vacuum drainage.
A kind of sand pile provided by the invention combines " High vacuum compacting method " treatment of soft foundation structure, by sand pile and " high vacuum impacting
Close method " technology is organically incorporated into one piece, by the way that drainpipe is inserted perpendicularly into sand pile as vertical integration drainage channel, and
Medium coarse sand bed course is laid at the top of sand pile.The water in weak soil more quickly can be discharged by the present invention, and the processed soil body is made to form one
Determine the overconsolidation crust layer of thickness, so that surface layer load is effectively spread, reduce the differential settlement unevenly generated by load,
Enhance the bearing capacity of foundation soil；By the formation condition of " High vacuum compacting method " processing soft base by permeability relatively preferably (infiltration
Coefficient is not less than 10-5Cm/s) it is extended to the relatively poor (infiltration coefficient 10 of permeability-7Cm/s~10-8Cm/s), expand significantly
The scope of application of sand pile, " High vacuum compacting method " technical treatment Soft Soil, reach after processing reduce soil layer water content,
Foundation bearing capacity is higher, reduces ground settlement after construction and differential settlement, and the construction period is short, cost is lower.
Wherein, sand pile 4 is multiple, and the spacing of two neighboring sand pile 4 is identical.Preferably, sand pile 4 in equilateral triangle or
Square setting.Specifically, as shown in Fig. 2, in treatment of soft foundation region 1, can be according to arranged in squares according to sand pile 4, and phase
Adjacent 4 spacing of sand pile is identical, is further ensured that Equalsettlement, enhances the bearing capacity of ground.According to actual needs, art technology
The layout stracture of other shapes may be selected in personnel.Specifically, the arrangement range of sand pile 4 preferably expands 1~2 row in embankment slope foot outer rim
Stake.
Wherein, the stake electrical path length of sand pile 4 is 300mm-500mm, medium coarse sand bed course 2 with a thickness of 400mm-600mm, draining
The outer diameter of pipe 3 is 30mm-50mm.According to actual needs, sand pile 4, the medium coarse sand of other sizes may be selected in those skilled in the art
Bed course 2 and drainpipe 3 are laid.
It wherein, further include the total collector pipe 5 of well point equipment, drainpipe 3 is connected by the total collector pipe 5 of well point equipment with vacuum pump 8
It connects.
Invention additionally discloses a kind of constructions of sand pile joint " High vacuum compacting method " treatment of soft foundation structure, comprising:
S1, treatment of soft foundation region is chosen, and sand pile is inserted perpendicularly into soft base region to be processed；
S2, drainpipe is inserted into sand pile；
S3, drainpipe is controlled to a vacuum pump, medium coarse sand bed course is laid at the top of sand pile；
S4, vacuum pump is opened, vacuumizes draining；
S5, the multiple strong rammer of medium coarse sand bed course progress or heavy type are rolled using compacting roller.
The present invention, the main processing intent of sand pile: 1. sand pile plays the role of compacted, displacement and composite foundation, improves ground
Bearing capacity reduces sedimentation；2. the drainpipe of sand pile and " High vacuum compacting method " as vertical integration drainage channel, can more be accelerated
The pore water of the speed discharge soil body, accelerates the discharging consolidation of weak soil." High vacuum compacting method " main processing intent: high vacuum well is used
Point dewatering adds vibroroller cmpacting or strong rammer to force to reduce the water content of the soil body processed, to reach the best closely knit of optimum moisture content
Degree.And the combination of sand pile and " High vacuum compacting method " two kinds of soft base processing methods, it gives full play to the advantage and disadvantage of the two, take
Long benefit is short, can more quickly reduce the water content of the soil body, improve compactness and foundation bearing capacity, reduces sedimentation, expand significantly
The scope of application of sand pile, " High vacuum compacting method " soft soil foundation condition, the construction period is short, cost is lower, has and widely pushes away
Wide value.
Specifically, choosing stratum 6 to be processed between stratum line of demarcation 10 and ground line 7, and selected in stratum 6 to be processed
Take treatment of soft foundation region 1；Preparation of construction is carried out, simultaneously smooth location, setting-out are cleared up in preparation of construction；In treatment of soft foundation region 1
It is inside first laid with working cushion layer, by the plan-position of design, spacing and depth inserting piling sand pile 4；In 4 center of sand pile insertion high vacuum row
Water pipe；It is laid with certain thickness medium coarse sand bed course 2 at the top of sand pile, then high vacuum drainpipe connection well point equipment is always catchmented
The head end of pipe 5, the end connection jet vacuum pump of the total collector pipe 5 of well point equipment or the vacuum pump with homeostasis cylinder.Dress
It after the completion of setting laying, carries out place and vacuumizes draining, pore water is gone out by high-vacuum tube fast pumping, reduces groundwater level simultaneously
Realize the purpose for reducing soil moisture content；Then it carries out strong rammer or heavy type several times using compacting roller 9 to roll, strong rammer or heavy type
It rolls the positive pressure of generation and vacuumizes generated negative pressure and act on further rapid dispersion soil body pore water pressure simultaneously, make hole
Water is discharged rapidly, achievees the purpose that accelerate soil body discharging consolidation；The filling roadbed soil body simultaneously continues to vacuumize, and plays vacuum combined stack
The effect for carrying precompressed, to improve the intensity of foundation soil, bearing capacity, stability.
A kind of sand pile joint " High vacuum compacting method " treatment of soft foundation structure provided by the invention and its construction, by sand pile
With " High vacuum compacting method " it organically is incorporated into one piece, by using drainpipe insertion as in the sand pile in vertical drainage channel, and
It is laid with medium coarse sand bed course at the top of sand pile, forms three-dimensional drainage channel.Relative to single sand pile or " High vacuum compacting method ", sand pile
Compacted and composite foundation effect is not only acted as, and the drainpipe of sand pile and " High vacuum compacting method " is drained as vertical integration
Channel effectively increases the vertical drainage channel diameter of high vacuum well-points dewatering, and the hole of the soil body can more quickly be discharged
Water accelerates the discharging consolidation of weak soil, so that the processed soil body is formed certain thickness overconsolidation crust layer, enhances foundation soil
Bearing capacity reduces settlement of foundation and differential settlement so that surface layer load is effectively spread, further expanded sand pile, " high vacuum
Hit close method " scope of application of soft soil foundation condition, the construction period is short, cost is lower.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of sand pile combines High vacuum compacting method construction of soft soil treatment engineering method characterized by comprising
S1, treatment of soft foundation region is chosen, and sand pile is inserted perpendicularly into soft base region to be processed；
S2, drainpipe is inserted into sand pile；
S3, drainpipe is controlled to a vacuum pump, medium coarse sand bed course is laid at the top of sand pile；
S4, vacuum pump is opened, vacuumizes draining；
S5, the multiple strong rammer of medium coarse sand bed course progress or heavy type are rolled using compacting roller.
2. sand pile as described in claim 1 combines High vacuum compacting method construction of soft soil treatment engineering method, which is characterized in that the sand
Stake is multiple in the soft base region setting to be processed, and the spacing of the two neighboring sand pile is identical.
3. sand pile as claimed in claim 2 combines High vacuum compacting method construction of soft soil treatment engineering method, which is characterized in that the sand
Stake is in equilateral triangle or square setting.
4. sand pile as described in claim 1 combines High vacuum compacting method construction of soft soil treatment engineering method, which is characterized in that the sand
The stake electrical path length of stake is 300mm-500mm.
5. sand pile as described in claim 1 combines High vacuum compacting method construction of soft soil treatment engineering method, which is characterized in that in described
Coarse sand bed course with a thickness of 400mm-600mm.
6. sand pile as described in claim 1 combines High vacuum compacting method construction of soft soil treatment engineering method, which is characterized in that the row
Water pipe uses outer diameter for floral tube made of the steel pipe of 30mm-50mm or pvc pipe.
7. sand pile as described in claim 1 combines High vacuum compacting method construction of soft soil treatment engineering method, which is characterized in that described true
Sky pump is jet vacuum pump or the vacuum pump with homeostasis cylinder.
8. sand pile as described in claim 1 combines High vacuum compacting method construction of soft soil treatment engineering method, which is characterized in that the sand
Stake is made of medium coarse sand hard material, and clay content is not more than 3%, and maximum particle diameter is not more than 50mm.
9. the sand pile as described in any one of claim 1-8 combines High vacuum compacting method construction of soft soil treatment engineering method, special
Sign is, further includes the total collector pipe of well point equipment, and the drainpipe passes through the total collector pipe of well point equipment and the vacuum pump
Connection.
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| CN201810953012.4A CN108978625A (en) | 2018-08-21 | 2018-08-21 | A kind of sand pile joint High vacuum compacting method construction of soft soil treatment engineering method |
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| CN201810953012.4A CN108978625A (en) | 2018-08-21 | 2018-08-21 | A kind of sand pile joint High vacuum compacting method construction of soft soil treatment engineering method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952530A (en) * | 2019-12-17 | 2020-04-03 | 中交路桥建设有限公司 | Gravel pile for soft soil foundation |
| CN111945702A (en) * | 2020-07-02 | 2020-11-17 | 福建鼎拓工程勘察设计有限公司 | Rapid pile body arranging method for reinforcing large-area soft foundation |
| CN113882355A (en) * | 2021-10-29 | 2022-01-04 | 华侨大学 | Vacuum drainage sedimentation system and method for treating soft soil by utilizing ultrasonic waves |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1330189A (en) * | 2001-07-28 | 2002-01-09 | 徐士龙 | 'High-vacuum compacting method' for quickly treaitng soft foundation |
| CN2856170Y (en) * | 2005-09-13 | 2007-01-10 | 谭可源 | Light drum compound pile with vertical drainage action |
| US20100061806A1 (en) * | 2006-12-01 | 2010-03-11 | Shilong XU | Information method combined with dynamic consolidation and vacuum drainage for reinforcement of soft soil ground |
| CN101845811A (en) * | 2009-03-25 | 2010-09-29 | 上海港湾软地基处理工程(集团)有限公司 | Improved 'high vacuum densification' soft foundation treatment method |
| CN102011391A (en) * | 2010-11-11 | 2011-04-13 | 河北建设勘察研究院有限公司 | Reinforcement processing method of soft foundation |
-
2018
- 2018-08-21 CN CN201810953012.4A patent/CN108978625A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1330189A (en) * | 2001-07-28 | 2002-01-09 | 徐士龙 | 'High-vacuum compacting method' for quickly treaitng soft foundation |
| CN2856170Y (en) * | 2005-09-13 | 2007-01-10 | 谭可源 | Light drum compound pile with vertical drainage action |
| US20100061806A1 (en) * | 2006-12-01 | 2010-03-11 | Shilong XU | Information method combined with dynamic consolidation and vacuum drainage for reinforcement of soft soil ground |
| CN101845811A (en) * | 2009-03-25 | 2010-09-29 | 上海港湾软地基处理工程(集团)有限公司 | Improved 'high vacuum densification' soft foundation treatment method |
| CN102011391A (en) * | 2010-11-11 | 2011-04-13 | 河北建设勘察研究院有限公司 | Reinforcement processing method of soft foundation |
Non-Patent Citations (1)
| Title |
|---|
| 王照宇等: "《基础工程》", 31 March 2012, 国防工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952530A (en) * | 2019-12-17 | 2020-04-03 | 中交路桥建设有限公司 | Gravel pile for soft soil foundation |
| CN111945702A (en) * | 2020-07-02 | 2020-11-17 | 福建鼎拓工程勘察设计有限公司 | Rapid pile body arranging method for reinforcing large-area soft foundation |
| CN113882355A (en) * | 2021-10-29 | 2022-01-04 | 华侨大学 | Vacuum drainage sedimentation system and method for treating soft soil by utilizing ultrasonic waves |
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Application publication date: 20181211 |