CN208501761U - A kind of sedimentation reinforcing jacking leveling structure suitable for industrial premises independence pile foundation - Google Patents
A kind of sedimentation reinforcing jacking leveling structure suitable for industrial premises independence pile foundation Download PDFInfo
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- CN208501761U CN208501761U CN201820608509.8U CN201820608509U CN208501761U CN 208501761 U CN208501761 U CN 208501761U CN 201820608509 U CN201820608509 U CN 201820608509U CN 208501761 U CN208501761 U CN 208501761U
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Abstract
The utility model discloses a kind of sedimentations suitable for industrial premises independence pile foundation to reinforce jacking leveling structure, which includes basic pile body；Stake end/stake week weak soil reinforcing layer；The foundation pile body portion is embedded inside the weak soil reinforcing layer of the stake end/stake week；The stake end/stake week weak soil reinforcing layer includes multiple first injected holes opened up around the basic pile body, and first injected hole is used to carry out compaction grouting into the stake end/stake week weak soil reinforcing layer to form the concave character type composite foundation for lifting the basic pile body.Structure provided by the present application reinforces jack-block and forms package status to independent pile foundation reinforcement, and good integrity had both improved whole foundation bearing capacity, while can achieve the purpose that jacking leveling;It can avoid using the integrated protrusive grouting process of note is bored because soil layer chance water reduction soil layer leads to secondary settlement during drilling machine, the slurries presetting period is short controllable with dilation angle, and cementing power is strong, and intensity is high, environment friendly and pollution-free.
Description
Technical field
The utility model relates to building structure technology fields, are suitable for industrial premises independence pile foundation more particularly to one kind
Sedimentation reinforce jacking leveling structure.
Background technique
It is natural not having to there are the back fill courses of larger depth or soft foundation to handle before construction
Under conditions of ground, most of buildings, which need to drive piles, does basis, then top-out structure of constructing.Due to basement process leakiness, ground
Base soil layer has biggish compressibility, and foundation bearing capacity is insufficient；Or the change of the Escape condition with underground water, form underground water
Erosion causes foundation bearing capacity to reduce；Or since there are weak intercalated layers with basement rock at stake end；Or oblique rock surface degree is big, stake end
Entering rock depth not enough causes to break away；Or the factors such as pile soil horizon is loose, and soft coefficient of friction is low cause pile foundation that differential settlement occurs.
These situations are encountered, then need to carry out stake end soft layer consolidation process and jacking leveling, to reach foundation bearing force request
Allow to settle in deviation range with design, reduce the height difference between building pile foundation, guarantees the structure safety of workshop.
Utility model content
The utility model provides a kind of sedimentation reinforcing jacking leveling structure suitable for industrial premises independence pile foundation.
The utility model provides following scheme:
A kind of sedimentation reinforcing jacking leveling structure suitable for industrial premises independence pile foundation, comprising:
Basic pile body；
Stake end/stake week weak soil reinforcing layer；The foundation pile body portion is embedded at the stake end/stake week weak soil reinforcing layer
It is internal；The stake end/stake week weak soil reinforcing layer includes multiple first injected holes opened up around the basic pile body, and described the
One injected hole is used to carry out compaction grouting into the stake end/stake week weak soil reinforcing layer to be formed for lifting the basis
The concave character type composite foundation of pile body；
Pile foundation jacks leveling layer, and the pile foundation jacking leveling layer is located at the stake end/stake week weak soil reinforcing layer lower part, institute
Stating pile foundation jacking leveling layer includes multiple second injected holes opened up around the basic pile body, and second injected hole passes through institute
State an end/stake week weak soil reinforcing layer and turned on outside；Second injected hole be used for the pile foundation jacking leveling layer in into
Row compaction grouting slowly jacks within the scope of the basic pile body to design tolerance to form upward counter-force.
Preferred: the multiple first injected hole is arranged symmetrically around the basic pile body.
Preferred: the multiple second injected hole is arranged symmetrically around the basic pile body.
Preferred: the aperture of first injected hole and second injected hole is 42 millimeters.
Preferred: the material that the compaction grouting uses is ferro-aluminum composite mortar.
According to specific embodiment provided by the utility model, the utility model discloses following technical effects:
By the utility model, a kind of sedimentation reinforcing jacking leveling suitable for industrial premises independence pile foundation may be implemented
Structure, in an implementation mode, the structure may include basic pile body；Stake end/stake week weak soil reinforcing layer；The foundation pile
Body portion is embedded inside the weak soil reinforcing layer of the stake end/stake week；The stake end/stake week weak soil reinforcing layer includes around institute
State multiple first injected holes that basic pile body opens up, first injected hole is used for the stake end/stake week weak soil reinforcing layer
It is interior to carry out compaction grouting to form the concave character type composite foundation for lifting the basic pile body；Pile foundation jacks leveling layer, institute
It states pile foundation jacking leveling layer and is located at the stake end/stake week weak soil reinforcing layer lower part, the pile foundation jacking leveling layer includes surrounding
Multiple second injected holes for opening up of basis pile body, second injected hole pass through the stake end/stake week weak soil reinforcing layer
With turned on outside；Second injected hole is used to carry out compaction grouting into pile foundation jacking leveling layer upward to be formed
Counter-force slowly jacks within the scope of the basic pile body to design tolerance.It is provided by the present application to be suitable for the stake of industrial premises independence
Basis sedimentation reinforce jacking leveling structure, reinforce jack-block to independent pile foundation reinforcement formed package status, good integrity, surely
Qualitative height had both improved whole foundation bearing capacity, while can achieve the purpose that jacking leveling;Integrated protrusive slip casting is infused using boring
Technique can avoid because soil layer chance water reduction soil layer leads to secondary settlement during drilling machine, and the slurries presetting period is short and dilation angle can
Control, cementing power is strong, and intensity is high, environment friendly and pollution-free.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is that jacking is reinforced in a kind of sedimentation suitable for industrial premises independence pile foundation provided by the embodiment of the utility model
The structural schematic diagram of leveling structure.
In figure: basic pile body 1, stake end/stake week weak soil reinforcing layer 2, the first injected hole 3, pile foundation jacking leveling layer 4, the
Two injected holes 5.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
Embodiment
It is that a kind of sedimentation suitable for industrial premises independence pile foundation provided by the embodiment of the utility model adds referring to Fig. 1
Admittedly leveling structure is jacked, as shown in Figure 1, the structure includes basic pile body 1；
Stake end/stake week weak soil reinforcing layer 2；Basis 1 part of pile body is embedded at the stake end/stake week weak soil and reinforces
Inside layer 2；The stake end/stake week weak soil reinforcing layer 2 includes multiple first injected holes 3 opened up around the basic pile body,
First injected hole 3 is used to carry out compaction grouting into the stake end/stake week weak soil reinforcing layer 2 to be formed for lifting
The concave character type composite foundation of the basis pile body；
Pile foundation jacks leveling layer 4, and pile foundation jacking leveling layer 4 is located under the stake end/stake week weak soil reinforcing layer 2
Portion, the pile foundation jacking leveling layer 4 include multiple second injected holes 5 opened up around the basic pile body 1, second slip casting
Hole 5 passes through the stake end/stake week weak soil reinforcing layer 2 and turned on outside；Second injected hole 5 is used to jack to the pile foundation
Compaction grouting is carried out in leveling layer 4 to form upward counter-force and slowly to jack the basic pile body to design tolerance range
It is interior.
Further, the multiple first injected hole is arranged symmetrically around the basic pile body.The multiple second slip casting
Hole is arranged symmetrically around the basic pile body.The aperture of first injected hole and second injected hole is 42 millimeters.
The material that the compaction grouting uses is ferro-aluminum composite mortar.
In practical operation, first to stake week soft layer carry out compacting grouting and reinforcing, reinforcement depth from shallow to deep, be layered to
Under, grouting pressure is ascending, each slip casting segment length 0.5-1.0m, after having infused the first slip casting section, continue to creep into 0.5-1.0m, into
The slip casting of row the second slip casting section, paragraph by paragraph downwards, until completing compaction grouting, this brill infuses integrated protrusive delamination pour slurry and reinforces top
The scheme of liter can avoid because soil layer chance water reduction soil layer leads to secondary settlement during drilling machine.Densification note is carried out to stake week soft layer
Slurry is reinforced, and the compactness and coefficient of friction of stake week soft layer can be improved, and is layered to down toward stake end, between stake end and basement rock
Gap and bearing course at pile end carry out reinforcement and strengthening, form concave character type composite foundation to pile foundation, increase bearing course at pile end bearing capacity, rise
The purpose no longer sunk to solid base.
The all soft layers of stake are reinforced complete 12-24h after, continuation applies brill downwards, by high-pressure slip-casting, is formed upward anti-
Power slowly jacks within the scope of pile foundation to design tolerance, achievees the purpose that solid base and leveling.
Slip casting hole location is arranged symmetrically, and is crept into simultaneously, while slip casting, is avoided the unbalance stress in slip casing by pressure, is led to pile foundation
Plinth offset；Boring aperture 42mm, small-bore are small to the destruction of indoor terrace, are easy to restore, construction operation area is small, does not influence just
Often operation.
Slurry uses high ferro-aluminum special type compound slurry, and the slurry infiltration is strong, can penetrate into small crack or gap；Slurry
Liquid presetting period and grout spreading range are controllable；Intensity is high after slurries condensation hardening, has certain resistance to compression, shearing strength, resists
Infiltration property is good, and antiscour and durability are good；It is not shunk after grout curing, has good bonding with rock mass and concrete etc. after solidification
Power；Slurries are non-corrosive to grouting equipment, pipeline, concrete structure etc. and easy to clean；Slurries are not nontoxic, odorless, dirty
Environment is contaminated, it is harmless.
When construction operation, the control of slurries presetting period is in 15s~25s, and grout spreading range control is in 1.5m~2.0m, slurry
Liquid cementing power is strong, and intensity is high after hardening, does not shrink, and can avoid secondary settlement problem；Slurries are environment friendly and pollution-free.
Jacking leveling structure is reinforced in sedimentation provided by the present application suitable for industrial premises independence pile foundation, reinforces jack-block
Package status is formed to independent pile foundation reinforcement, good integrity, stability is high, has both improved whole foundation bearing capacity, while energy
Achieve the purpose that jacking leveling;It can avoid using the integrated protrusive grouting process of note is bored because the water reduction of soil layer chance is native during drilling machine
Layer leads to secondary settlement, and the slurries presetting period is short and dilation angle is controllable, and cementing power is strong, and intensity is high, environment friendly and pollution-free.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above is only the preferred embodiment of the utility model only, is not intended to limit the protection model of the utility model
It encloses.Any modification, equivalent substitution, improvement and etc. made within the spirit and principle of the present invention, are all contained in this reality
With in novel protection scope.
Claims (3)
1. jacking leveling structure is reinforced in a kind of sedimentation suitable for industrial premises independence pile foundation characterized by comprising
Basic pile body；
Stake end/stake week weak soil reinforcing layer；The foundation pile body portion is embedded in the weak soil reinforcing layer of the stake end/stake week
Portion；The stake end/stake week weak soil reinforcing layer includes multiple first injected holes opened up around the basic pile body, the multiple
First injected hole is arranged symmetrically around the basic pile body；First injected hole is used to add to the stake end/stake week weak soil
Gu carrying out compaction grouting in layer to form the concave character type composite foundation for lifting the basic pile body；
Pile foundation jacks leveling layer, and the pile foundation jacking leveling layer is located at the stake end/stake week weak soil reinforcing layer lower part, the stake
Base jacking leveling layer includes multiple second injected holes opened up around the basic pile body, and the multiple second injected hole is around institute
Basic pile body is stated to be arranged symmetrically；Second injected hole passes through the stake end/stake week weak soil reinforcing layer and turned on outside；It is described
Second injected hole is used to carry out compaction grouting into pile foundation jacking leveling layer slowly to jack institute to form upward counter-force
It states within the scope of basic pile body to design tolerance.
2. jacking leveling structure is reinforced in the sedimentation according to claim 1 suitable for industrial premises independence pile foundation, special
Sign is that the aperture of first injected hole and second injected hole is 42 millimeters.
3. jacking leveling structure is reinforced in the sedimentation according to claim 1 suitable for industrial premises independence pile foundation, special
Sign is that the material that the compaction grouting uses is ferro-aluminum composite mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820608509.8U CN208501761U (en) | 2018-04-26 | 2018-04-26 | A kind of sedimentation reinforcing jacking leveling structure suitable for industrial premises independence pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201820608509.8U CN208501761U (en) | 2018-04-26 | 2018-04-26 | A kind of sedimentation reinforcing jacking leveling structure suitable for industrial premises independence pile foundation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021027696A1 (en) * | 2019-08-09 | 2021-02-18 | 北京恒祥宏业基础加固技术有限公司 | Reinforcing and lifting method and reinforcing and lifting structure for large-scale piers of high-speed rail |
| CN114277776A (en) * | 2022-03-03 | 2022-04-05 | 北京恒祥宏业基础加固技术有限公司 | Accurate horizontal lifting and reinforcing process for dustless factory floor |
-
2018
- 2018-04-26 CN CN201820608509.8U patent/CN208501761U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021027696A1 (en) * | 2019-08-09 | 2021-02-18 | 北京恒祥宏业基础加固技术有限公司 | Reinforcing and lifting method and reinforcing and lifting structure for large-scale piers of high-speed rail |
| US11739495B2 (en) | 2019-08-09 | 2023-08-29 | Beijing Hengxiang Hongye Foundation Reinforcement Technology Co., Ltd. | Reinforcing and lifting method and reinforcing and lifting structure for large-scale piers of high-speed rail |
| CN114277776A (en) * | 2022-03-03 | 2022-04-05 | 北京恒祥宏业基础加固技术有限公司 | Accurate horizontal lifting and reinforcing process for dustless factory floor |
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