CN110185076A - A kind of reinforcement and rectification method of existing building - Google Patents
A kind of reinforcement and rectification method of existing building Download PDFInfo
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- CN110185076A CN110185076A CN201910419840.4A CN201910419840A CN110185076A CN 110185076 A CN110185076 A CN 110185076A CN 201910419840 A CN201910419840 A CN 201910419840A CN 110185076 A CN110185076 A CN 110185076A
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- stake
- reinforcement
- existing building
- rectification method
- concrete
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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
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of reinforcement and rectification methods of existing building, comprising the following steps: axis location positions engineering according to cell general arrangement plan, determines axial location；Stake positioning, according to design on axis guide pile position, and each position is numbered；Check and correction, is proofreaded according to the stake numbered, also, one by one repeatedly after collated correct, confirms stake position；It excavates, according to demand first vertical cut, then inclination, which is excavated, arrives ground beneath, rear vertical cut；It checks and accepts, stops after excavating projected depth, checked and accepted via related personnel, until reaching the depth of requirement；First time molding, formwork according to the design needs, also, steel reinforcement cage is placed in template；It pours for the first time, is making casting concrete between template, be shaped to bottom stake to it, and be embedded with steel bar end.The utility model has the advantages that can effectively guarantee that existing foundation strength increases, while it can rectify a deviation to building, construction area is small, simple process.
Description
Technical field
The present invention relates to strengthening of foundation correction fields, it particularly relates to a kind of reinforcement and rectification method of existing building.
Background technique
Existing building be easy to cause shallow layer foundation soft when encountering lasting rainfall perhaps geologic change or
Non-uniform sedimentation, existing building can be easy to happen inclination at this time, need to rectify a deviation to building at this time, but existing
Technology in mostly rectified a deviation using forced settlement, forced settlement, which is broadly divided into, takes soil forced landing, immersion rectifying method, by excavating or soaking
The mode of water, it is high-end to structure foundation to force-land, so that building is restored in the deviation range of permission, reach correction
Purpose, this kind of processing means need to excavate basis, and construction working face is big, and intensity is high, and construction technology is cumbersome, long in time limit.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
The purpose of the present invention is to provide a kind of reinforcement and rectification methods of existing building, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of reinforcement and rectification method of existing building, comprising the following steps:
Axis location positions engineering according to cell general arrangement plan, determines axial location；
Stake positioning, according to design on axis guide pile position, and each position is numbered；
Check and correction, is proofreaded according to the stake numbered, also, one by one repeatedly after collated correct, confirms stake position；
It excavates, according to demand first vertical cut, then inclination, which is excavated, arrives ground beneath, rear vertical cut；
It checks and accepts, stops after excavating projected depth, checked and accepted via related personnel, until reaching the depth of requirement；
First time molding, formwork according to the design needs, also, steel reinforcement cage is placed in template；
It pours for the first time, is making casting concrete between template, be shaped to bottom stake to it, and be embedded with steel bar end；
Jacking is placed jack in the stake of the bottom of above-mentioned forming, according to the direction of building inclination, is jacked as requested
Building；
Branch muscle measures gap therein after the completion of its jacking, intercepts several muscle according to gap；
Branch muscle is welded on the upper pre-buried steel bar end of bottom stake, while removing jack by welding；
Second of molding is reserved after the branch muscle periphery molding being welded and pours mouth；
Second of pouring carries out placing concrete by the reserved mouth that pours, and to its molding；
Backfill after the assay was approved to it backfills the earthwork, and slightly tamp.
Further, when the excavation, if encountering dangerous stratum needs to do retaining wall, retaining wall with a thickness of 150MM, wait protect
Wall thickness is further continued for being excavated after reaching intensity.
Further, in above-mentioned first time pouring, the concrete strength poured is quotient's concrete of C20.
Further, it is shaped to bottom stake to it in above-mentioned first time pouring, the intensity of the bottom stake reaches design requirement
70% can be jacked.
Further, above-mentioned jacking is needed to place jack simultaneously on multiple bottom pile heads and be jacked.
Further, the outer diameter of the branch muscle is 20MM.
Further, it should be ensured that air flowing and brightness in borehole guarantee when excavation.
Further, it pours for above-mentioned second, the concrete poured is expansive concrete either dry and hard concrete therein one
Kind.
Further, the diameter of the vertical muscle of the steel reinforcement cage should be not less than 14MM, and the spacing of stirrup should be lower half bottom
Stake is 200MM, and the stake of the upper half bottom is 100MM.
Further, above-mentioned excavation is hand excavation, and jack-up construction follows reasonable jacking, absolutely prevents excessively to jack, and is prevented
It only rectifies a deviation and secondary injury excessively is caused to building.
Compared with prior art, the invention has the following advantages: spread by carrying out multiple spot to existing ground comprehensively
If stake, then jacked according to the direction of building inclination, the building after jacking can reach horizontal, then use major diameter
Reinforcing bar withstand after pour expansive concrete, can effectively guarantee that existing foundation strength increases, while can carry out to building
Correction, construction area is small, simple process.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of one of the flow chart of the reinforcement and rectification method of existing building according to an embodiment of the present invention；
Fig. 2 is the two of the flow chart of the reinforcement and rectification method of a kind of existing building according to an embodiment of the present invention；
Fig. 3 is the three of the flow chart of the reinforcement and rectification method of a kind of existing building according to an embodiment of the present invention.
Specific embodiment
In the following, making further description to invention in conjunction with attached drawing and specific embodiment:
Embodiment one:
Referring to Fig. 1, a kind of reinforcement and rectification method of existing building according to an embodiment of the present invention, including following step
It is rapid:
Step S101, axis location position engineering according to cell general arrangement plan, determine axial location；
Step S103, stake positioning, according to design on axis guide pile position, and each position is numbered；
Step S105, check and correction, is proofreaded according to the stake numbered, also, one by one repeatedly after collated correct, confirms stake
Position；
Step S107 is excavated, according to demand first vertical cut, and then inclination, which is excavated, arrives ground beneath, rear vertical cut；
Step S109 is checked and accepted, is stopped after excavating projected depth, check and accept via related personnel, until reaching requirement
Depth；
Step S111, first time molding, formwork according to the design needs, also, steel reinforcement cage is placed in template；
Step S113 pours for the first time, is making casting concrete between template, is shaped to bottom stake to it, and pre-buried
There is steel bar end；
Step S115, jacking are placed jack in the stake of the bottom of above-mentioned forming, according to the direction of building inclination, are pressed
As requested jacks building；
Step S117, branch muscle measure gap therein after the completion of its jacking, intercept several muscle according to gap；
Branch muscle is welded on the upper pre-buried steel bar end of bottom stake, while removing jack by step S119, welding；
Step S121, second of molding are reserved after the branch muscle periphery molding being welded and pour mouth；
Step S123, second of pouring carry out placing concrete by the reserved mouth that pours, and to its molding；
Step S125, backfill after the assay was approved to it backfill the earthwork, and slightly tamp.
In Specific construction, when the excavation, if encountering dangerous stratum needs to do retaining wall, retaining wall with a thickness of 150MM,
It is further continued for being excavated after dado thickness reaches intensity.
In Specific construction, in above-mentioned first time pouring, the concrete strength poured is quotient's concrete of C20.
In Specific construction, it is shaped to bottom stake to it in above-mentioned first time pouring, the intensity of the bottom stake reaches design and wants
70% asked can be jacked.
In Specific construction, above-mentioned jacking, which needs to place jack simultaneously on multiple bottom pile heads, to be jacked.
In Specific construction, the outer diameter of the branch muscle is 20MM.
In Specific construction, when excavation, should be ensured that the flowing of the air in borehole and brightness guarantee.
In Specific construction, above-mentioned second is poured, the concrete poured be expansive concrete either dry and hard concrete wherein
One kind.
In Specific construction, the diameter of the vertical muscle of the steel reinforcement cage should be not less than 14MM, and the spacing of stirrup should be lower half
Cutting bottom stake is 200MM, and the stake of the upper half bottom is 100MM.
In Specific construction, above-mentioned excavation is hand excavation, and jack-up construction follows reasonable jacking, absolutely prevents excessively to push up
It rises, prevents correction from excessively causing secondary injury to building.
In conclusion stake is laid with comprehensively by carrying out multiple spot to existing ground, then in the side according to building inclination
To being jacked, the building after jacking can reach horizontal, pour expansive concrete after then being withstood with the reinforcing bar of major diameter, can
Effectively guarantee that existing foundation strength increases, while can rectify a deviation to building, construction area is small, simple process.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of reinforcement and rectification method of existing building, which comprises the following steps:
Axis location positions engineering according to cell general arrangement plan, determines axial location；
Stake positioning, according to design on axis guide pile position, and each position is numbered；
Check and correction, is proofreaded according to the stake numbered, also, one by one repeatedly after collated correct, confirms stake position；
It excavates, according to demand first vertical cut, then inclination, which is excavated, arrives ground beneath, rear vertical cut；
It checks and accepts, stops after excavating projected depth, checked and accepted via related personnel, until reaching the depth of requirement；
First time molding, formwork according to the design needs, also, steel reinforcement cage is placed in template；
It pours for the first time, is making casting concrete between template, be shaped to bottom stake to it, and be embedded with steel bar end；
Jacking places jack in the stake of the bottom of above-mentioned forming, and according to the direction of building inclination, jacking is built as requested
Object；
Branch muscle measures gap therein after the completion of its jacking, intercepts several muscle according to gap；
Branch muscle is welded on the upper pre-buried steel bar end of bottom stake, while removing jack by welding；
Second of molding is reserved after the branch muscle periphery molding being welded and pours mouth；
Second of pouring carries out placing concrete by the reserved mouth that pours, and to its molding；
Backfill after the assay was approved to it backfills the earthwork, and slightly tamp.
2. a kind of reinforcement and rectification method of existing building according to claim 1, which is characterized in that when the excavation,
If encountering dangerous stratum needs to do retaining wall, retaining wall with a thickness of 150MM, be further continued for carrying out after dado thickness reaches intensity
It excavates.
3. a kind of reinforcement and rectification method of existing building according to claim 1, which is characterized in that above-mentioned first time pours
In filling, the concrete strength poured is quotient's concrete of C20.
4. a kind of reinforcement and rectification method of existing building according to claim 1, which is characterized in that above-mentioned first time pours
It is shaped to bottom stake to it in filling, the intensity of the bottom stake, which reaches the 70% of design requirement, to be jacked.
5. a kind of reinforcement and rectification method of existing building according to claim 1, which is characterized in that above-mentioned jacking needs
Jack is placed simultaneously on multiple bottom pile heads to be jacked.
6. a kind of reinforcement and rectification method of existing building according to claim 1, which is characterized in that outside the branch muscle
Diameter is 20MM.
7. a kind of reinforcement and rectification method of existing building according to claim 1, which is characterized in that should be protected when excavation
The air flowing and brightness demonstrate,proved in borehole guarantee.
8. a kind of reinforcement and rectification method of existing building according to claim 1, which is characterized in that above-mentioned to pour for the second time
It fills, the concrete poured is that expansive concrete either dry and hard concrete is one such.
9. a kind of reinforcement and rectification method of existing building according to claim 1, which is characterized in that the steel reinforcement cage
The diameter of vertical muscle should be not less than 14MM, and the spacing of stirrup should be that the stake of lower half bottom is 200MM, and the stake of the upper half bottom is 100MM.
10. a kind of reinforcement and rectification method of existing building according to claim 1, which is characterized in that above-mentioned excavation is
Hand excavation, jack-up construction follow reasonable jacking, absolutely prevent excessively to jack, and prevent correction from excessively causing secondary wound to building
Evil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910419840.4A CN110185076A (en) | 2019-05-20 | 2019-05-20 | A kind of reinforcement and rectification method of existing building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910419840.4A CN110185076A (en) | 2019-05-20 | 2019-05-20 | A kind of reinforcement and rectification method of existing building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110185076A true CN110185076A (en) | 2019-08-30 |
Family
ID=67716995
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910419840.4A Pending CN110185076A (en) | 2019-05-20 | 2019-05-20 | A kind of reinforcement and rectification method of existing building |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123353A (en) * | 1994-11-19 | 1996-05-29 | 唐殿峰 | Correction and reinforcing method for inclined house |
| JP2001262602A (en) * | 2000-03-21 | 2001-09-26 | Hisao Sakuraba | Building sill structure and method of executing building foundation |
| CN109706987A (en) * | 2019-02-25 | 2019-05-03 | 山东建筑大学 | A kind of frame structure building inside lifting inclination-correcting method |
-
2019
- 2019-05-20 CN CN201910419840.4A patent/CN110185076A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123353A (en) * | 1994-11-19 | 1996-05-29 | 唐殿峰 | Correction and reinforcing method for inclined house |
| JP2001262602A (en) * | 2000-03-21 | 2001-09-26 | Hisao Sakuraba | Building sill structure and method of executing building foundation |
| CN109706987A (en) * | 2019-02-25 | 2019-05-03 | 山东建筑大学 | A kind of frame structure building inside lifting inclination-correcting method |
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Application publication date: 20190830 |