CN107829423A - Slip casting method reinforces shallow layer foundation hole sealing structure and its construction technology - Google Patents
Slip casting method reinforces shallow layer foundation hole sealing structure and its construction technology Download PDFInfo
- Publication number
- CN107829423A CN107829423A CN201710948332.6A CN201710948332A CN107829423A CN 107829423 A CN107829423 A CN 107829423A CN 201710948332 A CN201710948332 A CN 201710948332A CN 107829423 A CN107829423 A CN 107829423A
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- Prior art keywords
- hole
- pulpboard
- sealing
- slip casting
- shallow layer
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- 238000007789 sealing Methods 0.000 title claims abstract description 71
- 238000007569 slipcasting Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 238000005516 engineering process Methods 0.000 title claims abstract description 15
- 239000004567 concrete Substances 0.000 claims abstract description 22
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 239000002689 soil Substances 0.000 claims abstract description 13
- 238000005553 drilling Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000009955 starching Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 abstract description 4
- 235000019698 starch Nutrition 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 description 10
- 238000013461 design Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Foundations (AREA)
Abstract
The invention discloses a kind of slip casting method to reinforce shallow layer foundation hole sealing structure and its construction technology, belongs to shallow layer foundation field of reinforcement, it is intended to solves shallow layer foundation slip casting hole position and seals irrational problem.The hole sealing structure includes only pulpboard, only slurry rib, injected hole, sealing of hole positioning belt and sealing of hole concrete, injected hole is evenly distributed on the both sides of foundation wall through only pulpboard and outdoor only pulpboard, locator is fixed with Grouting Pipe, to determine the position of sealing of hole positioning belt, outdoor is stopped pulpboard and linearly set along foundation wall exterior wall, only starches rib and is embedded in along the outdoor pulpboard that stops in foundation soil.The construction technology of the hole sealing structure includes early-stage preparations, excavates foundation trench, drilling, installation Grouting Pipe and sealing of hole.Only slurry effect is good by the present invention, easy construction, drastically increases the bearing capacity and steadiness of shallow layer foundation, and low engineering cost, economic benefit protrude.
Description
Technical field
The present invention relates to traditional residence shallow layer foundation field of reinforcement, reinforces shallow layer foundation more particularly to a kind of slip casting method and uses
Hole sealing structure and its construction technology.
Background technology
Traditional residence refer to those rural, it is unofficial, among the people, generation by generation continuing, with residential
" without the building of architect " based on type, it be China building extended familys in important component, have very big history,
Culture and practical value.But it is fewer to the research in terms of traditional residence structural safety performance at this stage, and influence traditional residence
One critically important factor of structural safety performance is the differential settlement of ground.Therefore, how it is taken effectively
Base reinforcement measure, it is the important prerequisite for lifting traditional residence structural safety performance.
Slip casting method widely should obtain as a kind of economic, safety conventional method for processing foundation in Practical Project
With.But often embedded depth of foundation is shallower for traditional residence, often containing debris such as tree root, brickbats in shallow layer foundation soil, by existing note
When slurry reinforcement technique is directly used in the reinforcing of traditional residence ground, slurries easily ooze from the position that these debris contact with the soil body
Go out, grouting and reinforcing is not reached due effect, therefore, slip casting method is directly acted on in the reinforcing of traditional residence ground obviously
It is irrational.So when carrying out grouting and reinforcing to shallow layer foundation, it is tradition that sealing how is reasonably carried out to slip casting hole position
One of key factor of local-style dwelling houses grouting and consolidation on foundation success or failure.
The content of the invention
To solve deficiency of the prior art, the invention provides a kind of slip casting method reinforce shallow layer foundation hole sealing structure and
Its construction technology.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
Design a kind of slip casting method and reinforce shallow layer foundation hole sealing structure, including stop pulpboard, only slurry rib, injected hole, sealing of hole positioning belt,
And sealing of hole concrete；The only pulpboard includes the indoor pulpboard that stops and stops pulpboard with outdoor, and the outdoor pulpboard that stops is along foundation wall
In on ground, the only slurry rib is embedded in the outdoor ground stopped below pulpboard exterior wall linear arrangement along the outdoor pulpboard that stops；
The injected hole is evenly distributed on the both sides of foundation wall through only pulpboard, and Grouting Pipe is arranged with the injected hole；The envelope
Hole positioning belt is arranged in the injected hole around the Grouting Pipe, and the sealing of hole coagulation has been poured above the sealing of hole positioning belt
Soil, the sealing of hole positioning belt lower section are provided with the locator being fixed in the Grouting Pipe.
Preferably, the only pulpboard is poured by C20 plain concretes forms, and the indoor pulpboard that stops is covered with interior, the room
Only pulpboard width is 1.0~1.2m outside, and the only pulpboard, only the thickness of slurry rib is 15~25mm.
Preferably, the depth of burying of the only slurry rib is 500~600mm.
Preferably, the injected hole aperture is 70~120mm, and slip casting pitch of holes is 1.0~2.0m；The Grouting Pipe is straight
Footpath is 20~50mm hollow steel pipe.
Preferably, along the Grouting Pipe mouth of pipe direction, slip casting bottom of the tube up 80cm be circumferentially uniformly provided with 3 every 10cm~
4 holes.
Preferably, the sealing of hole positioning belt is made up of woven bag, and its length is 10~20mm.
Preferably, the locator is made up of two bar dowels of Φ 6, is welded in parallel in the Grouting Pipe, to determine
The position of the sealing of hole positioning belt.
Preferably, the sealing of hole concrete is C20 plain concretes, and it is 50~60mm that it, which pours length,.
Compared with prior art, advantageous effects of the invention are：
1. the present invention is very strong to the adaptability of soil property, available for any in miscellaneous fill, artificial earth fill, sand, silt and cohesive soil
The shallow layer foundation that kind of soil property is formed, and the raw material used be common construction material, cost is low, without complicated plant equipment,
Applicability is high, disclosure satisfy that the sealing of hole requirement of slip casting method consolidated subsoil, only starches positive effect, is provided for the reinforcing of shallow layer foundation
It is effective to ensure.
2. injected hole is evenly distributed on the both sides of foundation wall in the present invention, reasonable in design, positive effect is only starched,
Considerably improve the bearing capacity and steadiness of shallow layer foundation.
3. pulpboard is stopped in the outdoor of the present invention can be used as house aproll simultaneously, pulpboard is stopped in interior can be used as indoor terrace simultaneously,
Purposes is various, and cost is relatively low, has good economic benefit and social benefit.
The invention also discloses the construction technology that above-mentioned slip casting method reinforces shallow layer foundation hole sealing structure, including following step
Suddenly,
（1）Smooth location, place cleaning, prepare associated materials and equipment；
（2）Foundation trench excavates：The outdoor only pulpboard, indoor only pulpboard are designed as needed and stop the size for starching rib, excavation foundation trench,
Surface dust on the basis of cleaning；
（3）Drilling：Coordinate pore-forming using different drilling machines, and ensure that injected hole is vertical；
（4）Grouting Pipe is installed
A. along Grouting Pipe mouth of pipe direction, up 80cm circumferentially uniformly punches 3~4 to slip casting bottom of the tube every 10cm；
B. locator is fixed in Grouting Pipe, Grouting Pipe is put into injected hole, and the Grouting Pipe is stretched out the slip casting
Seal at least 20cm in hole；
（5）Sealing of hole
A. according to the position of locator, sealing of hole positioning belt is set between injected hole and Grouting Pipe；
B. according to the size and position being pre-designed, sealing of hole concrete is poured successively with pre-prepd C20 plain concretes, is stopped
Rib, outdoor only pulpboard and indoor only pulpboard are starched, conserves 24h grouting behind shaft or drift lining sealing of holes.
Preferably, the construction technology is any suitable for by miscellaneous fill, artificial earth fill, sand, silt and cohesive soil
The reinforcing of the shallow layer foundation of composition.
Compared with prior art, advantageous effects of the invention are：
1. the construction technology of the present invention is simple and convenient to operate, efficiency of construction is high, short time limit, low cost, especially suitable for miscellaneous
Banket, in artificial earth fill, sand, silt and cohesive soil the shallow layer foundation that any soil property is formed reinforcing, it will be apparent that improve
The bearing capacity and steadiness of shallow layer foundation.
Arranged 2. the present invention effectively can carry out antiseepage, leak stopping and firm remedying to traditional shallow-layer resident premises base
Apply, improve the security in traditional folk houses house, extend its service life, there is good economic benefit and social benefit.
Brief description of the drawings
Fig. 1 is injected hole position distribution schematic diagram of the present invention；
Fig. 2 is the cross-sectional view of injected hole；
Fig. 3 is a mplifying structure schematic diagrams in Fig. 2；
Fig. 4 is the structural representation of the present invention；
Fig. 5 is A-A profiles in Fig. 4；
Fig. 6 is B-B profiles in Fig. 4；
Wherein, 1, injected hole, 2, Grouting Pipe, 3, it is indoor stop pulpboard, 4, foundation wall, 5, it is outdoor stop pulpboard, 6, only slurry rib, 7,
Base, 8, sealing of hole concrete, 9, sealing of hole positioning belt, 10, locator.
Embodiment
Illustrate the embodiment of the present invention with reference to the accompanying drawings and examples, but following examples are used only in detail
Describe the bright present invention in detail, the scope not limiting the invention in any way.Involved plant equipment is such as in the examples below
It is conventional equipment without special instruction.
Embodiment 1
A kind of traditional residence shallow-layer formed any suitable for by miscellaneous fill, artificial earth fill, sand, silt and cohesive soil
The slip casting method reinforcing hole sealing structure of base, referring to Fig. 1 to 6, including outdoor only pulpboard 5, only indoor only pulpboard 3, slurry rib 6, slip casting
Hole 1, sealing of hole positioning belt 9 and sealing of hole concrete eight.
Wherein, outdoor to stop pulpboard 5 along the exterior wall linear arrangement of foundation wall 4 on ground 7, interior stops pulpboard 3 and is covered with interior,
Rib 6 is only starched to be embedded in the outdoor ground 7 for stopping the lower section of pulpboard 5 along the outdoor pulpboard 5 that stops；Injected hole 1 through only pulpboard with 1.0~
2.0m spacing is evenly distributed in the ground 7 of the both sides of foundation wall 4, and the aperture of injected hole 1 is 70~120mm, in injected hole 1
Grouting Pipe 2 is arranged with, the Grouting Pipe 2 is a diameter of 20~50mm hollow steel pipe, along the mouth of pipe direction of Grouting Pipe 2, the bottom of Grouting Pipe 2
Up 80cm circumferentially uniformly punches 4 every 10cm in portion, and Grouting Pipe 2 stretches out injected hole 1 and seals at least 20cm.
Sealing of hole positioning belt 9 is arranged in the injected hole 1 around Grouting Pipe 2, and sealing of hole positioning belt 9 is made up of woven bag, and it is grown
Spend for 10~20mm.The top of sealing of hole positioning belt 9 has poured sealing of hole concrete eight, and the lower end of sealing of hole positioning belt 9 is provided with to determine sealing of hole
The locator 10 of the position of positioning belt 9, the locator 10 are fixed in Grouting Pipe 2.
In the present embodiment, locator 10 is made up of two bar dowels of Φ 6, is welded in parallel in Grouting Pipe 2, for determining
The position of sealing of hole positioning belt 9.
Sealing of hole concrete eight is C20 plain concretes, the sealing of hole concrete eight in injected hole 1 pour length for 50~
60mm。
In order to increase the purposes of only pulpboard, construction cost is reduced, the outdoor pulpboard 5 that stops dissipates as house simultaneously in the present embodiment
Water, interior stop pulpboard 3 and are used as indoor terrace simultaneously.Wherein, only pulpboard is poured by C20 plain concretes and formed, and its thickness is 15~
25mm, and the outdoor width of pulpboard 5 that stops is 1.0~1.2m.
In order to further reinforce the ground 7, the thickness of only slurry rib 6 is arranged to 15~25mm, the depth being embedded in ground 7
Spend for 500~600mm.The constructional device can effectively realize the reinforcing of shallow layer foundation, and reasonably slip casting hole position is sealed, carried
The security of high traditional residence building structure, save raw material.
Embodiment 2
A kind of slip casting method reinforces the construction technology of shallow layer foundation hole sealing structure, comprises the following steps：
（1）Early-stage preparations：Smooth location, place cleaning, prepare C20 plain concretes raw material, Grouting Pipe 2, sealing of hole positioning belt
9th, concrete mixer, miniature pneumatic rig, Luoyang Spade, reinforce place beside select rational position of sound production above material and
Equipment；
（2）Foundation trench excavates：Pulpboard 5, the indoor size stopped pulpboard 3 and only starch rib 6 are stopped in outdoor according to being pre-designed, carry out foundation trench
Excavate, the surface dust carefully cleared up after grooving on ground；
（3）Drilling：It according to spacing is that 70~120mm matches somebody with somebody for 1.0~2.0m, aperture successively to use miniature pneumatic rig and Luoyang Spade
Bench drill hole, miniature pneumatic rig depth are 1~1.2m, and Luoyang Spade drilling depth is 2.5m~3m, ensure that injected hole 1 is perpendicular during drilling
Directly；
（4）Grouting Pipe 2 is installed
Along the mouth of pipe direction of Grouting Pipe 2, along the mouth of pipe, up 80cm circumferentially uniformly punches 3~4 to the bottom of Grouting Pipe 2 every 10cm, so
Locator 10 is welded in parallel in Grouting Pipe 2 afterwards, Grouting Pipe 2 is put into injected hole 1, and Grouting Pipe 2 is stretched out the slip casting
The seal location at least 20cm of hole 1；
（5）Sealing of hole
A. the position of sealing of hole positioning belt 9 is limited according to upper step locator 10, sealing of hole is laid between injected hole 1 and Grouting Pipe 2 and is determined
Bit strip 9；
B. according to the size that is pre-designed and position, using pre-prepd C20 plain concretes pour successively sealing of hole concrete eight,
Only starch rib 6, it is outdoor stop pulpboard 5 and it is indoor stop pulpboard 3, conserve 24h grouting behind shaft or drift lining sealing of holes, control grouting pressure is no more than during slip casting
0.3MPa。
In the present embodiment, stop pulpboard 5 in outdoor and pour after completion with cement mortar screeding and slope 3%~5%, as room
Room aproll；Interior stops pulpboard 3 and is used as indoor terrace simultaneously, and interior stops pulpboard and is not provided with only starching rib 6 below 3.
Slip casting method reinforcing shallow layer foundation hole sealing structure provided by the invention and its construction technology, simple in construction, easy construction,
Short time limit, antiseepage, leak stopping and firm remedial measure effectively can be carried out to traditional shallow-layer resident premises base, improve tradition
The security in resident house, extend its service life.
The present invention is described in detail above in conjunction with drawings and examples, still, those of skill in the art
Member can also be carried out it is understood that on the premise of present inventive concept is not departed to each design parameter in above-described embodiment
Change, forms multiple specific embodiments, is the common excursion of the present invention, is no longer described in detail one by one herein.
Claims (10)
1. a kind of slip casting method reinforces shallow layer foundation hole sealing structure, it is characterised in that including stopping pulpboard, only slurry rib, injected hole, envelope
Hole positioning belt and sealing of hole concrete；The only pulpboard includes indoor only pulpboard and stops pulpboard, the outdoor only pulpboard edge with outdoor
For foundation wall exterior wall linear arrangement on ground, the only slurry rib is embedded in outdoor stop below pulpboard along the outdoor pulpboard that stops
In ground；The injected hole is evenly distributed on the both sides of foundation wall through only pulpboard, and Grouting Pipe is arranged with the injected hole；
The sealing of hole positioning belt is arranged in the injected hole around the Grouting Pipe, and the sealing of hole has been poured above the sealing of hole positioning belt
Concrete, the sealing of hole positioning belt lower section are provided with the locator being fixed in the Grouting Pipe.
2. slip casting method according to claim 1 reinforces shallow layer foundation hole sealing structure, it is characterised in that the indoor only slurry
Plate is covered with interior, and the outdoor pulpboard width that stops is 1.0~1.2m, and the only pulpboard, only the thickness of slurry rib is 15~25mm.
3. slip casting method according to claim 1 reinforces shallow layer foundation hole sealing structure, it is characterised in that the only slurry rib
The depth of burying is 500~600mm.
4. slip casting method according to claim 1 reinforces shallow layer foundation hole sealing structure, it is characterised in that the injected hole hole
Footpath is 70~120mm, and slip casting pitch of holes is 1.0~2.0m；The Grouting Pipe is a diameter of 20~50mm hollow steel pipe.
5. slip casting method according to claim 4 reinforces shallow layer foundation hole sealing structure, it is characterised in that along the Grouting Pipe
Mouth of pipe direction, up 80cm is circumferentially uniformly provided with 3~4 holes to slip casting bottom of the tube every 10cm.
6. slip casting method according to claim 1 reinforces shallow layer foundation hole sealing structure, it is characterised in that the sealing of hole positioning
Band is made up of woven bag, and its length is 10~20mm.
7. slip casting method according to claim 1 reinforces shallow layer foundation hole sealing structure, it is characterised in that the locator by
Two bar dowels of Φ 6 are made, and are welded in parallel in the Grouting Pipe, to determine the position of the sealing of hole positioning belt.
8. slip casting method according to claim 1 reinforces shallow layer foundation hole sealing structure, it is characterised in that the sealing of hole coagulation
The length that pours of soil is 50~60mm.
9. the slip casting method described in claim 1~8 reinforces the construction technology of shallow layer foundation hole sealing structure, it is characterised in that bag
Include following steps,
（1）Smooth location, place cleaning, prepare associated materials and equipment；
（2）Foundation trench excavates：The outdoor only pulpboard, the indoor chi for stopping pulpboard and only starching rib designed according to claim 1~8
It is very little, excavate foundation trench, surface dust on the basis of cleaning；
（3）Drilling：Coordinate pore-forming using different drilling machines, and ensure that injected hole is vertical；
（4）Grouting Pipe is installed
A. along Grouting Pipe mouth of pipe direction, up 80cm circumferentially uniformly punches 3~4 to slip casting bottom of the tube every 10cm；
B. locator is fixed in Grouting Pipe, Grouting Pipe is put into injected hole, and the Grouting Pipe is stretched out the slip casting
Seal at least 20cm in hole；
（5）Sealing of hole
A. according to the position of locator, sealing of hole positioning belt is set between injected hole and Grouting Pipe；
B. according to the size and position being pre-designed, sealing of hole concrete is poured successively with pre-prepd C20 plain concretes, is stopped
Rib, outdoor only pulpboard and indoor only pulpboard are starched, conserves 24h grouting behind shaft or drift lining sealing of holes.
10. slip casting method according to claim 9 reinforces the construction technology of shallow layer foundation hole sealing structure, it is characterised in that
The construction technology any shallow layer foundation formed suitable for by miscellaneous fill, artificial earth fill, sand, silt and cohesive soil
Reinforce.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710948332.6A CN107829423B (en) | 2017-10-12 | 2017-10-12 | Hole sealing structure for reinforcing shallow foundation by grouting method and construction process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710948332.6A CN107829423B (en) | 2017-10-12 | 2017-10-12 | Hole sealing structure for reinforcing shallow foundation by grouting method and construction process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107829423A true CN107829423A (en) | 2018-03-23 |
| CN107829423B CN107829423B (en) | 2024-05-03 |
Family
ID=61647949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710948332.6A Active CN107829423B (en) | 2017-10-12 | 2017-10-12 | Hole sealing structure for reinforcing shallow foundation by grouting method and construction process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107829423B (en) |
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| Publication number | Publication date |
|---|---|
| CN107829423B (en) | 2024-05-03 |
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