CN107059912A - A kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon - Google Patents
A kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon Download PDFInfo
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- CN107059912A CN107059912A CN201710163944.4A CN201710163944A CN107059912A CN 107059912 A CN107059912 A CN 107059912A CN 201710163944 A CN201710163944 A CN 201710163944A CN 107059912 A CN107059912 A CN 107059912A
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- slip casting
- soft soil
- soil horizon
- people
- processing method
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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
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- 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
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon, by quincuncial arrangement bore position and it is grouped, then slip casting is carried out to each group injected hole successively, until slip casting is completed and sealing of hole.A kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon of the present invention, using common construction material, efficiently solve the uneven subsidence on the people's Cargo Lift basis being seated on soft soil horizon ground, significantly improve foundation bearing capacity, and without making guide hole, lower floral tube and the link such as only starch in traditional slip casting operation, not only easy construction, it is easily operated, it can speed up the work, shorten the duration of a project, and construction quality can be significantly improved, construction cost is reduced, with good economic benefit and social benefit.
Description
Technical field
Add the invention belongs to technical field of buildings, more particularly to a kind of people's goods elevator foundation slip casting for being seated soft soil horizon
Gu processing method.
Background technology
Because of the objective factor influence such as the limitation of live place and construction period tension, many project main building Foundation Parts are used back
Banket disposable backfill, after filling, often need to proceed people's goods elevator foundation construction, to allow people's goods elevator to be as early as possible
Construction service.But the major project geologic feature of the backfill of landfill is recently：Loosely organized, void ratio is big, and compressibility is big, ground
Base low bearing capacity.The compactness of disposable backfill is poor, and non-compaction in layers processing when backfilling, and settlement by soaking is stronger, the later stage
Sedimentation and deformation is larger, causes the goods elevator foundation construction of people from top and installs after people's goods elevator, easily occurs differential settlement, cause
The safety problems such as people's goods elevator integrated deflection, fracture.Therefore construct in this case, effective strengthening of foundation should be taken to arrange
Apply, to ensure foundation bearing capacity.Common reinforcement means such as sandstone backfill compaction in layers, foundation dynamic compaction, cement mixing pile driving construction etc.,
Generally existing is long in time limit, expends big, the features such as field condition requires higher.Therefore one kind is needed to suit live actual, possessing can
The construction method of operability, to improve foundation bearing capacity, meets terrace bearing capacity and deformation requirements.
The content of the invention
The problem of present invention is solved is to provide a kind of people's goods elevator foundation slip casting consolidation process side for being seated soft soil horizon
Method, can make terrace bearing capacity after slip casting meet people's goods elevator foundation bearing capacity demand, the backfill after slip casting is filled using the present invention
The real not saturated yielding of packing is sunk.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon, is comprised the following steps：
Step one：Quincuncial arrangement bore position, and the brill to arranging are carried out to the predetermined soft soil horizon needed reinforcement
Hole site is grouped；
Step 2：According to every group of drilling hole amount, it is sophisticated to prepare multiple pipe shaft bottoms tube wall to be drilled with injected hole, ttom of pipe end
Steel Grouting Pipe, first group of each bore position is directed at by their ttom of pipe end, using plate vibrator by each steel Grouting Pipe from
Bore position inserts predetermined soft soil horizon, and insertion depth is defined by the depth designed, and each steel Grouting Pipe is formed with foundation surface
Space use 1：3 cement mortar are clogged；
Step 3：Slip casting is carried out by steel Grouting Pipe using slip casting machinery, slip casting uses bottom-up delamination pour slurry, will
The first time slip casting since up being pulled out after 20cm~30cm projected depth of steel Grouting Pipe, sight is looked into pressure gauge and referred to during slip casting
Number, controls injection speed, during slip casting to grout, stops slip casting, and steel Grouting Pipe is lifted into 50cm or so, continues second and notes
Slurry, second of slip casting process is consistent with first time slip casting process, is repeated in the process, until slip casting is completed；Before each slip casting
Grouting serous fluid will be stirred, and ceaselessly be slowly stirred during slip casting grouting serous fluid；Grouting serous fluid material
The Portland cement for being 32.5 for intensity, the ratio of mud is 0.4~0.7, and injection speed is 8L/min~17L/min, slip casting
Pressure is 0.1MPa~0.6MPa, and it is 0.8MPa~1.2MPa that pressure is filled eventually.
Step 4：Steel Grouting Pipe is extracted, place of boxing out uses 1：2 cement mortar are sealed.
Step 5：The slip casting of remaining each group bore position is carried out successively, until the slip casting of all drilled hole position is completed.
Further, the mode being grouped in the step one to the bore position arranged is pre- from what is needed reinforcement
Determine soft soil horizon surrounding bore position to be inwardly grouped successively.
Further, the steel Grouting Pipe in the step 2 is drilled with injected hole from the upward 150cm in ttom of pipe end pipe shaft.
Further, the mode of vibration of the step 2 middle plateform vibrator can use static pressure hammer mode or artificial hammering
Substituted etc. in mode.
Further, 1 in the step 2：3 cement mortar can be substituted with clay.
Further, injecting paste material is the Portland cement that intensity is 32.5 in the step 3, and the ratio of mud is 0.5
~0.6, injection speed be 10L/min~15L/min, grouting pressure be 0.2MPa~0.5MPa, eventually fill pressure be 0.9MPa~
1.1MPa。
Further,：Slip casting machinery is SYB50 type grouting pumps in the step 3.
Further, 1 in the step 4：2 cement mortar can be substituted with grouting serous fluid.
A kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon of the present invention and traditional soft soil horizon
Reinforcing mode is compared, with advantages below：(1) construction material used is common, and cost is low, and applicability is high；(2) job site bar
Part is not high, it is easy to construct；(3) without making guide hole, lower floral tube and stopping the links such as slurry in work progress, efficiency of construction is high, vibrating drill
Hole is anhydrous drilling, reduces the disturbance to soil layer；(4) short construction period, can decline construction cost, construction effect is superior,
With good economic benefit and social benefit.
Brief description of the drawings
Fig. 1 is process schematic diagram of the present invention；
In figure：1. preparing intubation 2. is intubated the tube drawing of 3. 4. second of slip casting of first time slip casting 5..
Embodiment
In order to preferably explain the present invention, specific embodiment carrys out the content that the present invention is furture elucidated below in conjunction with the accompanying drawings,
But the content of invention is not limited only to following examples.
As shown in figure 1, a kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon of the present invention, comprising
Following steps：
Step one：Quincuncial arrangement bore position, and the brill to arranging are carried out to the predetermined soft soil horizon needed reinforcement
Hole site is grouped；
Step 2：According to every group of drilling number, it is sophisticated to prepare multiple pipe shaft bottoms tube wall to be drilled with injected hole, ttom of pipe end
Steel Grouting Pipe, their ttom of pipe end is aligned in first group of each bore position, i.e. Fig. 1 process schematic diagrames of the present invention and prepares intubation
1, each steel Grouting Pipe is inserted into predetermined soft soil horizon, depth of the insertion depth to design from bore position using plate vibrator
It is defined, each steel Grouting Pipe and the space of foundation surface formation use 1：3 cement mortar are clogged, i.e. Fig. 1 process schematic diagrames of the present invention
Middle intubation 2；
Step 3：Slip casting is carried out by steel Grouting Pipe using slip casting machinery, slip casting uses bottom-up delamination pour slurry, will
In the first time slip casting since up being pulled out after 20cm~30cm projected depth of steel Grouting Pipe, i.e. Fig. 1 process schematic diagrames of the present invention
First time slip casting 3, sees during slip casting and looks into pressure gauge index, control injection speed, during slip casting to grout, stops slip casting, by steel
Grouting Pipe processed lifts 50cm or so, continues second of slip casting 4 in second of slip casting, i.e. Fig. 1 process schematic diagram of the present invention, second
Slip casting process is consistent with first time slip casting process, is repeated in the process, until slip casting is completed；Will be to slip casting before each slip casting
Slurries are stirred, and are ceaselessly slowly stirred during slip casting grouting serous fluid；Injecting paste material is that intensity is 32.5
Portland cement, the ratio of mud is 0.4~0.7, and injection speed is 8L/min~17L/min, i.e., injection 8L~17L per minute
Slurries, grouting pressure is 0.1MPa~0.6MPa, and it is 0.8MPa~1.2MPa that pressure is filled eventually.
Step 4：Tube drawing 5 in steel Grouting Pipe, i.e. Fig. 1 process schematic diagram of the present invention is extracted, place of boxing out uses 1：2 cement
Mortar is sealed.
Step 5：The slip casting of remaining each group bore position is carried out successively, until the slip casting of all drilled hole position is completed.
In the present invention, it is grouped, can be made follow-up more preferable by group successively slip casting effect using bore position；Using pipe shaft bottom
The steel Grouting Pipe of injected hole is drilled with, during slip casting, slurries can be injected in soil layer directly from injected hole, can make mortar depositing construction process
In without beat guide hole, lower floral tube and only starch etc. link；Plate vibrator vibrating drill mode is used for anhydrous drilling, is reduced pair
The disturbance of soil layer；Grouting serous fluid is that common construction material is formulated, it is easy to operated；By suitable grouting pressure and right
The reasonable stirring of grouting serous fluid so that construction operation effect is more preferable.
Carrying out packet mode in step one of the present invention to the bore position arranged can be predetermined from what is needed reinforcement
Soft soil horizon surrounding bore position is inwardly grouped successively.It using this quincuncial arrangement bore position, can imitate follow-up slip casting
Fruit is more preferably.
Steel Grouting Pipe in step 2 of the present invention can be drilled with slip casting from the upward 150cm in ttom of pipe end pipe shaft
Hole.Steel Grouting Pipe is being drilled with injected hole from the upward 150cm in ttom of pipe end pipe shaft, and the slip casting position under soil layer can be made more preferable,
More convenient slip casting operation, while the effect of slip casting is also more preferable；The position of injected hole in steel Grouting Pipe can also be arranged on certainly
On the upward 100cm in ttom of pipe end pipe shaft, slip casting effect is also very superior.
The mode of vibration of the step 2 middle plateform vibrator can be with the mode such as static pressure hammer mode or artificial hammering
Substitute.Steel Grouting Pipe insertion soil layer can be used a variety of pressure modes by the present invention so that construction will not be because of certain construction machinery
Lack and cause construction to stagnate, claim for eot.
1 in the step 2：3 cement mortar can be substituted with clay.Clay of the present invention substitutes 1:3 cement mortar are noted to steel
Slurry pipe and the space of foundation surface formation are clogged, and can equally reach 1:The effect of 3 cement mortar, convenient material drawing, and cost
It is low.
Injecting paste material is the Portland cement that intensity is 32.5 in the step 3, the ratio of mud may be configured as 0.5~
0.6, injection speed may be configured as 10L/min~15L/min, i.e., injection 10L~15L slurries per minute, and grouting pressure can be set
For 0.2MPa~0.5MPa, pressure is filled eventually and may be configured as 0.9MPa~1.1MPa, it is optimal that whole filling pressure is set to 1Mpa.The present invention
It is preferably preferred with filling pressure eventually by matching preferred, grouting pressure to injecting paste material, it may be such that the effect of slip casting is more preferable, efficiency
It is higher.
Slip casting machinery is SYB50 type grouting pumps in the step 3.The slip casting machinery of the present invention is SYB50 type grouting pumps,
The grouting pump of the type is common grouting pump for building so that applicability of the invention is good.
1 in the step 4：2 cement mortar can be substituted with grouting serous fluid.Clay of the present invention substitutes 1:2 cement mortar are to steel
Sealing of boxing out after Grouting Pipe extraction processed, can equally reach 1:The effect of 2 cement mortar, convenient material drawing.
Presently preferred embodiments of the present invention is these are only, but protection scope of the present invention is not limited thereto, it is any to be familiar with sheet
Those skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in should all be covered
Within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should be defined by claim is defined.
Claims (8)
1. a kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon, it is characterised in that：Include following step
Suddenly：
Step one：Quincuncial arrangement bore position, and the drilling position to arranging are carried out to the predetermined soft soil horizon needed reinforcement
Put and be grouped；
Step 2：According to every group of drilling hole amount, it is sophisticated steel to prepare multiple pipe shaft bottoms tube wall to be drilled with injected hole, ttom of pipe end
Grouting Pipe, first group of each bore position is directed at by their ttom of pipe end, using plate vibrator by each steel Grouting Pipe from drilling
Predetermined soft soil horizon is inserted in position, and insertion depth is defined by the depth designed, each steel Grouting Pipe and the sky of foundation surface formation
Gap uses 1：3 cement mortar are clogged；
Step 3：Slip casting is carried out by steel Grouting Pipe using slip casting machinery, slip casting uses bottom-up delamination pour slurry, by steel
Grouting Pipe first time slip casting since up being pulled out after 20cm~30cm projected depth, sees during slip casting and looks into pressure gauge index, control
Injection speed processed, during slip casting to grout, stops slip casting, steel Grouting Pipe is lifted into 50cm or so, continue second of slip casting, second
Secondary slip casting process is consistent with first time slip casting process, is repeated in the process, until slip casting is completed；Will be to note before each slip casting
Slurry slurries are stirred, and are ceaselessly slowly stirred during slip casting grouting serous fluid；Grouting serous fluid material is that intensity is
32.5 Portland cement, the ratio of mud is 0.4~0.7, and injection speed is 8L/min~17L/min, and grouting pressure is
0.1MPa~0.6MPa, it is 0.8MPa~1.2MPa that pressure is filled eventually.
Step 4：Steel Grouting Pipe is extracted, place of boxing out uses 1：2 cement mortar are sealed.
Step 5：The slip casting of remaining each group bore position is carried out successively, until the slip casting of all drilled hole position is completed.
2. a kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon according to claim 1, it is special
Levy and be：The mode being grouped in the step one to the bore position arranged is from the predetermined soft soil horizon needed reinforcement
Surrounding bore position is inwardly grouped successively.
3. a kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon according to claim 1, it is special
Levy and be：Steel Grouting Pipe in the step 2 is drilled with injected hole from the upward 150cm in ttom of pipe end pipe shaft.
4. a kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon according to claim 1, it is special
Levy and be：The mode of vibration of the step 2 middle plateform vibrator can use one of static pressure hammer mode, artificial hammer mode
Substitute.
5. a kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon according to claim 1, it is special
Levy and be：1 in the step 2：3 cement mortar can be substituted with clay.
6. a kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon according to claim 1, it is special
Levy and be：Injecting paste material is the Portland cement that intensity is 32.5 in the step 3, and the ratio of mud is 0.5~0.6, slip casting
Speed is 10L/min~15L/min, and grouting pressure is 0.2MPa~0.5MPa, and it is 0.9MPa~1.1MPa that pressure is filled eventually.
7. a kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon according to claim 1, it is special
Levy and be：Slip casting machinery is SYB50 type grouting pumps in the step 3.
8. a kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon according to claim 1, it is special
Levy and be：1 in the step 4：2 cement mortar can be substituted with grouting serous fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710163944.4A CN107059912A (en) | 2017-03-20 | 2017-03-20 | A kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710163944.4A CN107059912A (en) | 2017-03-20 | 2017-03-20 | A kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon |
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| Publication Number | Publication Date |
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| CN107059912A true CN107059912A (en) | 2017-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710163944.4A Pending CN107059912A (en) | 2017-03-20 | 2017-03-20 | A kind of people's goods elevator foundation slip casting reinforcing and processing method for being seated soft soil horizon |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622207A (en) * | 2020-06-09 | 2020-09-04 | 广西路桥工程集团有限公司 | Induced grouting method |
| CN114804732A (en) * | 2022-03-21 | 2022-07-29 | 合肥工业大学 | Method for preparing roadbed filler by using alkaline residue and microorganism modified tailing sand |
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| CN1749490A (en) * | 2005-10-09 | 2006-03-22 | 中国水电顾问集团华东勘测设计研究院 | Slurry filling and reinforcing floor foundation using high density less slurry less section content and its slurry filling method |
| CN101538852A (en) * | 2009-04-15 | 2009-09-23 | 中国十七冶建设有限公司 | Compacting grouting and reinforcing technology for floor foundation of fly ash soil layer and backfilled stone layer in smelting workshop |
| CN102277867A (en) * | 2011-05-13 | 2011-12-14 | 西安建筑科技大学 | Construction method for collapsible loess foundation |
| CN103205986A (en) * | 2013-04-16 | 2013-07-17 | 中国十七冶集团有限公司 | Concrete raft foundation construction-joint grouting device and construction method |
| KR101372163B1 (en) * | 2013-02-06 | 2014-03-12 | 엔지니어스 주식회사 | Structure on soft ground using a compensated foundation and improved surface layer and construction method for the compensated foundation |
| CN103696416A (en) * | 2014-01-17 | 2014-04-02 | 黄滨 | Novel foundation treatment method |
| CN104846810A (en) * | 2015-05-19 | 2015-08-19 | 常州第一建筑集团有限公司 | Self-circulating posterior grouting bored pile construction method |
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2017
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| CN1749490A (en) * | 2005-10-09 | 2006-03-22 | 中国水电顾问集团华东勘测设计研究院 | Slurry filling and reinforcing floor foundation using high density less slurry less section content and its slurry filling method |
| CN101538852A (en) * | 2009-04-15 | 2009-09-23 | 中国十七冶建设有限公司 | Compacting grouting and reinforcing technology for floor foundation of fly ash soil layer and backfilled stone layer in smelting workshop |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622207A (en) * | 2020-06-09 | 2020-09-04 | 广西路桥工程集团有限公司 | Induced grouting method |
| CN111622207B (en) * | 2020-06-09 | 2021-04-27 | 广西路桥工程集团有限公司 | Induced grouting method |
| WO2021248424A1 (en) * | 2020-06-09 | 2021-12-16 | 广西路桥工程集团有限公司 | Induced grouting method |
| CN114804732A (en) * | 2022-03-21 | 2022-07-29 | 合肥工业大学 | Method for preparing roadbed filler by using alkaline residue and microorganism modified tailing sand |
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Application publication date: 20170818 |