CN107476360A - A kind of strengthening of foundation platform encloses curtain grouting lifting correction engineering method - Google Patents
A kind of strengthening of foundation platform encloses curtain grouting lifting correction engineering method Download PDFInfo
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- CN107476360A CN107476360A CN201710598343.6A CN201710598343A CN107476360A CN 107476360 A CN107476360 A CN 107476360A CN 201710598343 A CN201710598343 A CN 201710598343A CN 107476360 A CN107476360 A CN 107476360A
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- China
- Prior art keywords
- house
- platform
- foundation
- grouting
- lifting
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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
- E02D35/00—Straightening, lifting, or lowering of foundation structures or of constructions erected on foundations
- E02D35/005—Lowering or lifting of foundation structures
Abstract
The present invention provides a kind of strengthening of foundation platform and encloses curtain grouting lifting correction engineering method, in house, surrounding sets grout hole, carry out the closing sealing of curtain grouting all around, sub-surface forms one layer of cement foundation wall, after inside and outside soil layer is undisturbed during protection house platform correction, right quantity grout hole is set as requested in house platform respectively, according to certain sequence of construction, slip casting is carried out simultaneously to the tilted both sides foundation soil in house, utilize slip casting principle, house lower position basis is set to realize the compacted lifting of mud jacking, pass through the pressure different to tilting basic both sides slip casting, it is allowed to balanced Matching regulation and control appropriateness, tilting building platform will be enable safely and fast to rectify a deviation righting, recover normal use.This engineering method can effectively prevent grouting material in the mobility of soil layer, avoid underground utilities from blocking or destroy, be effectively saved construction cost, while ensure that house platform lifting correction righting.
Description
Technical field
The invention belongs to administer the method and technology category of building pathology accident, particularly a kind of strengthening of foundation platform encloses curtain filling
Starch lifting correction engineering method.Mainly handle because foundation differential settlement reason causes house platform cracking, inclination, and to room
Room platform correction righting, ensures its normal use after making the house reparation.
Background technology
In building pathology is administered, because foundation differential settlement accident pathological manifestations house platform ftracture, tilt,
Wall or filling wall cracking.But the sedimentation that foundation has differences, it is exactly differential settlement.Thus administer means and adopt
The measure taken must necessarily be placed on the foundation in house.Therefore for house platform reinforcement means, basic filling is commonly used
Slurry processes, this method can make its sub-surface form new composite foundation, no longer be settled so as to stablize house foundation platform.Wherein,
The technique way of foundation grouting method is：First measurement and positioning, then rig is in place, next enters by design hole drill, is washed by water, is pressed
Water test, start foundation grouting, until design pressure, preferably removes equipment and sealing of hole reparation.
The shortcomings that method used in the prior art is present and deficiency are：1. because foundation grouting is receiving the work of pressure
With having mobility in lower cement base soil layer, easily underground utilities, Chi Keng are resulted in blockage or destroyed, causes unnecessary economy
Loss；2. foundation grouting method functions only as improving foundation bearing capacity, so as to which firm ground is basic, under making house platform no longer
It is heavy, only reach foundation effect；House platform is still tilting, and can not rectify a deviation righting, so conventional foundation grouting method
Relatively simple property, only with foundation stabilization action effect.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency of the prior art, there is provided a kind of strengthening of foundation platform encloses curtain grouting
Lifting is rectified a deviation engineering method, can effectively be prevented grouting material in the mobility of soil layer, be avoided underground utilities from blocking or destroy, effectively section
About construction cost, while ensure that house platform lifting correction righting.Therefore strengthening of foundation platform encloses curtain grouting lifting and entangled
Inclined engineering method be it is a kind of both reach strengthening of foundation, and can carries out a kind of steady novel construction method of safety of house platform correction, and it is extensive
Suitable for after the quick reparation of the inclined building pathology accident caused by the foundation differential settlement reason and being continuing with down
Go.
To achieve these goals, the technical scheme of novel construction method use of the present invention is：
A kind of strengthening of foundation platform encloses curtain grouting lifting correction engineering method, and in house, surrounding sets grout hole, carries out all around
Curtain grouting closing sealing, sub-surface form one layer of cement foundation wall, and inside and outside soil layer is not disturbed during protecting house platform correction
After dynamic, right quantity grout hole is set as requested in house platform respectively, according to certain sequence of construction, in house
Tilt both sides foundation soil and carry out slip casting simultaneously, using slip casting principle, house lower position basis is realized the compacted lifting of mud jacking, lead to
The pressure different to tilting basic both sides slip casting is crossed, balanced Matching regulation and control appropriateness is allowed to, tilting building platform will be enable fast safely
Speed correction righting, recovers normal use；Including step in detail below：
Step 1: measurement and positioning：Existed according to site inspection and combination design using theodolite, spirit level, Sopwith staff, steel tape
House platform carries out grout hole positioning；Repetition measurement is carried out after positioning, to ensure accuracy；
Step 2: rig is in place：Rig must be kept when in place it is smooth it is firm, do not tilt and displacement, and take certain
Fixation prevents rig displacement in drilling process and rocked；
Step 3: rig is crept into：Drilling start to drill among the predetermined soil depth of design, and carry out drilling bath,
Packer permeability test；
Step 4: grouting intubation makes：Made by design aperture, intubation need to open circular hole；
Step 5: carry out first paragraph foundation grouting：In house, all around curtain is in the milk platform, and adds waterglass, makes cement
Quick-hardening is starched, one layer of cement foundation wall is formed in sub-surface；
Step 6: after solidifying 24 hours, second stage foundation grouting lifting correction is carried out：To the tilted both sides of house platform
Foundation soil carries out slip casting simultaneously, using slip casting principle, realizes house lower position basis, the compacted lifting of mud jacking, by inclining
The different pressure of oblique basic both sides slip casting, balanced Matching regulation and control appropriateness is allowed to, the safely and fast lifting of tilting building platform will be enable,
The step need to be repeated up to completion strengthening of foundation platform and enclose curtain grouting lifting Deviation Correction Construction；
Step 7: remove equipment and sealing of hole：After completing foundation grouting, after removing equipment, and cement bonded sand is used to hole
Slurry repair floating.
Compared with prior art, the present invention has the advantage that：
Engineering method of the present invention is to have the function of foundation grouting method concurrently and reach correction novel construction method, it the advantages of it is a lot：
First, it typically sets grout hole in house surrounding, carries out the closing sealing of curtain grouting all around, and sub-surface is formed
One layer of cement foundation wall, quantities is relatively small, and operating expenses is also than relatively low.
Second, its grout hole is smaller, very small to soil layer disturbance, can be at any time using giant punching or drilling
Sealing of hole and perforate construction, adjustment pressure is steadily controllable, easy for construction simple.
3rd, skilled worker implements correction operation in house platform, fool proof reliable, and completes correction only
Make sealing pores, it is very easy without backfill and compacting, labor and material saving, construction.
Brief description of the drawings
Fig. 1 is the construction process figure that strengthening of foundation platform of the present invention encloses curtain grouting lifting correction engineering method.
Fig. 2 is that strengthening of foundation platform of the present invention encloses curtain grouting lifting correction engineering method embodiment schematic diagram.
Embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described further.
As depicted in figs. 1 and 2, the strengthening of foundation platform encloses curtain grouting lifting correction engineering method, to be fitted in house periphery
When the grout hole that appropriate quantity is set in the ground of position, slip casting respectively forms one layer of cement base in peripherally base, protects room
After inside and outside soil layer is undisturbed during the correction of room platform, right quantity (or particular number is set in house platform respectively
Refer to design drawing) grout hole, according to certain sequence of construction, slip casting is carried out simultaneously to the tilted both sides foundation soil in house,
It using slip casting principle, can realize house lower position basis, the compacted lifting of mud jacking, by different to tilting basic both sides slip casting
Pressure, be allowed to balanced Matching regulation and control appropriateness, the safely and fast lifting of tilting building platform will be enable；Grout hole size, can basis
Actual field requires to formulate, and general aperture is that 50mm~110mm depends on engineering design data to require, the long and short wheelbase of the grout hole
From not less than between 1000mm~2000mm；To facilitate skilled worker's standing operation, to below lower water level and water feed it is abundant
When, foundation grouting needs slip casting mortar back cover sealing, or adds waterglass rapidity back cover；Set intubation grouting construction generally requires
Made and constructed by design and settled at one go.
There is a variety of method for setting an appropriate number of grout hole in suitable position ground in tilting building, right on this
In common private residence, choose appropriate location and try one's best equivalent arrangement grout hole, but be in the milk simultaneously to tilting both sides ground, mud jacking
Compacted lifting.
When during correction, when implementing slip casting, the deep-controlled of slip casting, slurry configurations, lifting speed, grouting pressure,
Grouting amount and off time control are carried out all in accordance with Control Criterion of Design, and are combined soil condition and pause grouting and sealing of hole etc. and adjusted
Prosecutor case controls by the lifting standard of design, it is impossible to blindly operates；When implementing correction, by design requirement drilling to design soil layer
Depth, sleeve pipe slip casting is inserted into, prepares slurries by design requirement and the technical essential such as control pressure and mud jacking amount uses slip casting
Operation.Realize lifting simultaneously and carry out leveling construction.
The compacted lifting of mud jacking used for correction, it is necessary to first prepare slurries, such as use list of the cement for binder materials
Slurries, appropriate adding coal ash is answered, its proportioning can determine after strength test indoors.Also 40Be20 DEG C of waterglass can be filled.This
Invention engineering method grouting pressure control standard can use 0.2~0.4MPa, meanwhile, added according to soil condition feature and combined process process
With Effective Regulation, if during grouting difficulty, can be gradually increased between 0.8~0.9, lifting extruding is set to reach required design requirement.
Be advantageous to the balanced adjustment of building structure integral rigidity, it is ensured that the safe handling after lifting correction righting.
To improve correction monitoring materials and evaluation effect, follow-up work settlement monitoring, settlement observation needs 2 months one
It is secondary, 1 year is observed, and establish construction archives.
Claims (1)
1. a kind of strengthening of foundation platform encloses curtain grouting lifting correction engineering method, it is characterised in that in house, surrounding sets grout hole, enters
The row closing sealing of curtain grouting all around, sub-surface form one layer of cement foundation wall, inside and outside soil during protection house platform correction
After layer is undisturbed, right quantity grout hole is set as requested in house platform respectively, according to certain sequence of construction,
Slip casting is carried out simultaneously to the tilted both sides foundation soil in house, using slip casting principle, house lower position basis is realized grouting extrusion
Close lifting, by the pressure different to tilting basic both sides slip casting, balanced Matching regulation and control appropriateness is allowed to, tilting building platform will be made
Can safely and fast be rectified a deviation righting, recover normal use；Including step in detail below：
Step 1: measurement and positioning：According to site inspection and design is combined using theodolite, spirit level, Sopwith staff, steel tape in house
Platform carries out grout hole positioning；Repetition measurement is carried out after positioning, to ensure accuracy；
Step 2: rig is in place：Rig must be kept when in place it is smooth it is firm, do not tilt and displacement, and take certain fixation
Measure prevents rig displacement in drilling process and rocked；
Step 3: rig is crept into：Drilling starts to drill among the predetermined soil depth of design, and carries out drilling bath, pressure water
Experiment；
Step 4: grouting intubation makes：Made by design aperture, intubation need to open circular hole；
Step 5: carry out first paragraph foundation grouting：In house, all around curtain is in the milk platform, and adds waterglass, makes cement mortar fast
Speed hardening, one layer of cement foundation wall is formed in sub-surface；
Step 6: after solidifying 24 hours, second stage foundation grouting lifting correction is carried out：To the tilted both sides ground of house platform
Soil carries out slip casting simultaneously, using slip casting principle, realizes house lower position basis, the compacted lifting of mud jacking, by tilting base
The different pressure of plinth both sides slip casting, balanced Matching regulation and control appropriateness is allowed to, the safely and fast lifting of tilting building platform, the step will be enable
Suddenly completion strengthening of foundation platform need to be repeated up to and enclose curtain grouting lifting Deviation Correction Construction；
Step 7: remove equipment and sealing of hole：After completing foundation grouting, after removing equipment, and hole is entered using cement mortar
Row is repaired floating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710598343.6A CN107476360A (en) | 2017-07-21 | 2017-07-21 | A kind of strengthening of foundation platform encloses curtain grouting lifting correction engineering method |
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| CN201710598343.6A CN107476360A (en) | 2017-07-21 | 2017-07-21 | A kind of strengthening of foundation platform encloses curtain grouting lifting correction engineering method |
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| CN201710598343.6A Pending CN107476360A (en) | 2017-07-21 | 2017-07-21 | A kind of strengthening of foundation platform encloses curtain grouting lifting correction engineering method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547336A (en) * | 2018-04-26 | 2018-09-18 | 北京恒祥宏业基础加固技术有限公司 | Jacking leveling technology is reinforced in a kind of sedimentation suitable for industrial premises independence pile foundation |
| 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 |
| WO2021027695A1 (en) * | 2019-08-09 | 2021-02-18 | 北京恒祥宏业基础加固技术有限公司 | Precise lifting method for plant equipment foundation, and lifting and reinforcing structure |
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| JPS51103609A (en) * | 1975-03-08 | 1976-09-13 | Seiko Kogyo Kk | Kochikubutsuno fudochinkakyoseikoho |
| CN102061697A (en) * | 2010-11-25 | 2011-05-18 | 中铁六局集团有限公司广州分公司 | Method for treating uneven settlement of building |
| CN106320403A (en) * | 2016-09-20 | 2017-01-11 | 武汉理工大学 | Inclination rectification and reinforcement method for existing building |
| CN106894409A (en) * | 2015-12-17 | 2017-06-27 | 上海华峰材料科技研究院（有限合伙） | For the polyurethane grouting and reinforcing lifting fast repairing method of settlement of foundation |
-
2017
- 2017-07-21 CN CN201710598343.6A patent/CN107476360A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51103609A (en) * | 1975-03-08 | 1976-09-13 | Seiko Kogyo Kk | Kochikubutsuno fudochinkakyoseikoho |
| CN102061697A (en) * | 2010-11-25 | 2011-05-18 | 中铁六局集团有限公司广州分公司 | Method for treating uneven settlement of building |
| CN106894409A (en) * | 2015-12-17 | 2017-06-27 | 上海华峰材料科技研究院（有限合伙） | For the polyurethane grouting and reinforcing lifting fast repairing method of settlement of foundation |
| CN106320403A (en) * | 2016-09-20 | 2017-01-11 | 武汉理工大学 | Inclination rectification and reinforcement method for existing building |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547336A (en) * | 2018-04-26 | 2018-09-18 | 北京恒祥宏业基础加固技术有限公司 | Jacking leveling technology is reinforced in a kind of sedimentation suitable for industrial premises independence pile foundation |
| CN108547336B (en) * | 2018-04-26 | 2021-03-23 | 北京恒祥宏业基础加固技术有限公司 | Sedimentation, reinforcement, jacking and leveling method suitable for independent pile foundation of industrial plant |
| 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 |
| WO2021027695A1 (en) * | 2019-08-09 | 2021-02-18 | 北京恒祥宏业基础加固技术有限公司 | Precise lifting method for plant equipment foundation, and lifting and reinforcing structure |
| 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 |
| US11746496B2 (en) | 2019-08-09 | 2023-09-05 | Beijing Hengxiang Hongye Foundation Reinforcement Technology Co., Ltd. | Precise lifting method and lifting and reinforcing structure for plant equipment foundation |
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Application publication date: 20171215 |
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| RJ01 | Rejection of invention patent application after publication |