CN107288364A - A kind of gunite concrete strengthens the construction method of processing with brick wall binder course - Google Patents
A kind of gunite concrete strengthens the construction method of processing with brick wall binder course Download PDFInfo
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- CN107288364A CN107288364A CN201710598464.0A CN201710598464A CN107288364A CN 107288364 A CN107288364 A CN 107288364A CN 201710598464 A CN201710598464 A CN 201710598464A CN 107288364 A CN107288364 A CN 107288364A
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- steel nail
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- gunite concrete
- binder course
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
- E04G23/0211—Arrangements for filling cracks or cavities in building constructions using injection
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G23/0222—Replacing or adding wall ties
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- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The present invention provides the construction method that a kind of gunite concrete strengthens processing with brick wall binder course, and step includes：Base cleaning, interface processing, reinforced mesh is installed in inner wall surface and wall face, steel nail toward inner wall surface and wall face is injected using steel nail gun, ash cake, gunite concrete are set.Gunite concrete and the brick wall binder course of the present invention strengthens the construction method of processing, compared to traditional base treatment method, it is to avoid metope hollowing, the problems such as crack is big, greatly reduce wall surfacing later stage repair issues.Avoid waste of material.Binder course sets the method for the new and old metope of increase of steel nail to can be used for the connection application of unlike material wall in similar transformation.Steel nail binder course reinforcement processing is well suited for old cell exterior wall aseismatic reinforcement engineering, because steel nail is quick for installation, section when saving of labor, the metope later stage not hollowing, probability repaired to metope after finishing substantially reduce, so as to greatly save construction cost, shorten the construction period, ensure construction safety, overall economic efficiency is good.
Description
Technical field
Strengthen applying for processing with brick wall binder course the present invention relates to technical field of buildings, more particularly to a kind of gunite concrete
Work method.
Background technology
Seismic hardening wall construction of shotcrete technology is after Wenchuan earthquake, and the whole nation starts progressively to promote.Construction area
The old cell brick-concrete building body domestic fifties to the eighties is related generally to reinforce.Work as in the process constantly used by people
In, its core technology is also carrying out synchronized update.At present, national old cell aseismatic reinforcement engineering spreads all over town and country various regions, its
Middle external and internal wall shotcrete technology is the most important thing of reinforcing engineering, and most old cell indoor and outdoor wall majorities are red machine
Brick material.With the development of science and technology, gunite concrete is on seismic hardening metope, trend technique is already belonged to, because injection is mixed
Solidifying soil thickness is small, and old wall wall is of the remote past, concrete and old wall contact surface easily hollowing.New and old wall binder course tradition side
Method is processed as brush interfacial agents, swabbing mud, cement plus glue wharf's pavement quality after cleaning basic unit.In above-mentioned construction in Practical Project
By different degrees of hollowing, crackle is larger, has a strong impact on seismic hardening quality.The defect of above-mentioned background technology be primarily present in
Descend some：1) traditional new and old easy hollowing of metope interface processing, quality assurance is difficult；2) finishing later stage wall cracking increases larger,
Influence decorative layer repairing.
Therefore, it is change traditional method, it would be highly desirable to need a kind of new basic unit to strengthen processing method, to simplify construction, meets
Complicated external environment requirement, improves effect and construction quality.
The content of the invention
In view of the present situation of prior art, strengthens it is an object of the invention to provide a kind of gunite concrete and brick wall binder course
The construction method of processing, construction method is practical, simple and easy to apply, safe and reliable, it is to avoid metope hollowing, the problems such as crack is big, greatly
It is big to reduce wall surfacing later stage repair issues.To achieve the above object, technical scheme is as follows：
A kind of gunite concrete strengthens the construction method of processing with brick wall binder course, comprises the following steps：
Step 1：Base cleaning, powder is rinsed using clear water after brick wall, cleaning metope is cleared up with dust catcher function electric planer
Dirt, the rear high-strength interfacial agents of brushing to be dried；
Step 2：Carry out interface processing；
Step 3：Reinforced mesh is installed in inner wall surface and wall face；
Step 4：Steel nail is injected toward inner wall surface and wall face using steel nail gun；
Step 5：Ash cake is set uniform, and ensures its intensity, it is to avoid jetting cement is destroyed to it；
Step 6：Gunite concrete, before formal gunite concrete, was checked having installed steel nail, in possessing for steel nail
Rate again to uniform gunite concrete on reinforced mesh, is struck off after the completion of injection when reaching technological requirement, obtain being overlying on inner wall surface and
Reinforced concrete floor on wall face.
As a kind of preferable mode, the particle diameter of the rubble in the concrete is 0.2mm-20mm.
As a kind of preferable mode, also used when injecting steel nail toward inner wall surface and wall face using steel nail gun in step 4
Steel nail limited block, steel nail limited block is hard wooden unit, and steel nail limited block has drilling, and ailhead is directed at steel nail when steel nail gun penetrates steel nail
The drilling of limited block is injected, and steel nail limited block is used to limit steel nail injection wall depth and protruded length, and steel nail injects wall
After body, the afterbody of steel nail is placed on the outside of reinforced mesh.
As a kind of preferable mode, the reinforced concrete floor thickness being overlying on wall face is 70mm, is overlying in inner wall surface
Reinforced concrete floor thickness be 40mm.
As a kind of preferable mode, sprinkled water in gunite concrete final set after 24 hours normal maintenance.
As a kind of preferable mode, during step 6 gunite concrete, also first do model wall to examine the proportioning of concrete to be
No to meet construction requirement, the proportioning of concrete is met can large area injection after construction requirement.
As a kind of preferable mode, the steel nail is stainless steel lag screws, and the length of the steel nail is 5 centimetres, the steel nail
Afterbody be 1mm empennages.
As a kind of preferable mode, interface processing is carried out in step 2, its processing mode is swabbing mud or/and cement
Plus glue wharf's pavement quality.
Also include inserting the step for checking jet thickness using draw point as a kind of preferable mode, after the completion of gunite concrete
Suddenly.
The beneficial effects of the invention are as follows：
The gunite concrete of the present invention strengthens the construction method of processing with brick wall binder course, is sprayed by live Deepen Design
The method that concrete and old brick wall basic unit set steel nail, compared to traditional base treatment method, it is to avoid metope hollowing, crack are big etc. to ask
Topic.Greatly reduce wall surfacing later stage repair issues.Avoid waste of material.Binder course sets such a new and old metope of increase of steel nail
Method can be used for the connection application of unlike material wall in similar transformation.Steel nail binder course reinforcement processing is well suited for outside old cell
Wall aseismatic reinforcement engineering, because steel nail is quick for installation, section when saving of labor, the metope later stage not hollowing, probability is repaired to metope after finishing
Substantially reduce, so as to greatly save construction cost, shorten the construction period, it is ensured that construction safety, overall economic efficiency is good.
Brief description of the drawings
Fig. 1 is the construction method application for strengthening processing with brick wall binder course using the gunite concrete of one embodiment of the invention
In the schematic diagram of brick wall；
Fig. 2 be in Fig. 1 A-A to schematic cross-sectional view；
Description of reference numerals：
1- reinforced mesh；2- steel nails；3- walls.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with drawings and Examples pair
The gunite concrete of the present invention strengthens the construction method of processing with brick wall binder course, is further elaborated.It should be appreciated that
Specific embodiment described herein is only used for explaining the present invention, is not intended to limit the present invention.
Connect for the gunite concrete that existing seismic hardening wall shotcrete Construction Technology is faced with old brick wall body
The problems such as hollowing, crackle occur is connect easily, the present inventor has carried out the technical research that new and old wall binder course is strengthened, by new
Old wall connecting construction method optimizes design, and a series of counter-measure is given by constantly work and summary, will
Such construction connection method applies in old cell seismic hardening improvement and design, the control of construction process and technical measures with it is excellent
Change, realize and simplify construction, meet the requirement of complex environment, improve effect and construction quality, be that similar projects play demonstration and borrowed
The effect of mirror, promotes the development of Construction Technology.
As depicted in figs. 1 and 2, the gunite concrete of one embodiment of the invention strengthens the construction party of processing with brick wall binder course
Method, comprises the following steps：
Step 1：Base cleaning, powder is rinsed using clear water after brick wall, cleaning metope is cleared up with dust catcher function electric planer
Dirt, the rear high-strength interfacial agents of brushing to be dried；Wherein, the wall 3 in Fig. 2 is brick wall wall, wants old wall with more powerful
Cohesive force, traditional old metope processing also needs to retain, and the first step clears up former metope with electric planer, whole must be disposed before cleaning
Metal object on former metope, electric planer must be used with dust catcher function electric planer, cleared up clear water after metope and rinsed dust, to be dried
After brush high-strength interfacial agents.
Step 2：Carry out interface processing；Interface processing mode in the step can be that swabbing mud or/and cement add glue to draw
Hair processing.Replanted after conventional interface processing into steel nail, can so better ensure that old metope cohesive force is greatly increased, newly do
Metope is finally reached absolutely not hollowing.
Step 3：Reinforced mesh 1 is installed in inner wall surface and wall face；In the present embodiment, steel bar end can be fixed on wall 1,
Reinforced mesh 1 is welded on steel bar end, realizes the fixation of the reinforced mesh 1 in inner wall surface and wall face.
Step 4：Steel nail 2 is injected toward inner wall surface and wall face using steel nail gun；Steel nail 2 is located in the mesh of reinforced mesh 1,
The mesh quantity of reinforced mesh 1 is 25 in Fig. 1, and 25 mesh are arranged with 5 rows and 5 row, and 9 steel are uniformly arranged in each mesh
2,9 steel nails 2 are followed closely to arrange with 3 rows and 3 row.Steel nail 2 is preferably stainless steel lag screws, and the length of steel nail 2 is 5 centimetres, the afterbody of steel nail 2
For 1mm empennages.It is 1mm i.e. in the part for protruding the main body of steel nail 2 in the radial direction of steel nail 2.In actual applications according to mesh
Size determine the quantity and distribution situation of steel nail 2.Steel nail 2 is injected after wall, and the afterbody of steel nail 2 is placed in outside reinforced mesh 1
Side.That is, the metope distance of the empennage of steel nail 2 to wall 3 is more than the distance between reinforced mesh 1 and the metope, and steel nail 2
Exposed parts length be less than gunite concrete thickness.Steel nail 2 is placed in position within protective layer, so as to increase steel nail new and old
The effective length of wall, it is ensured that the cohesive force of new and old metope.
Step 5：Ash cake is set uniform, and ensures its intensity, it is to avoid jetting cement is destroyed to it；Ash cake spacing distance can root
Determined according to metope size.
Step 6：Gunite concrete, before formal gunite concrete, is checked having installed steel nail 2, in the guarantor of steel nail 2
Again to uniform gunite concrete on reinforced mesh 1 when thering is the rate to reach technological requirement, struck off after the completion of injection, obtain being overlying on inner wall surface
With the reinforced concrete floor on wall face, the thickness of reinforced concrete floor is L in Fig. 2.In the present embodiment, it is overlying on wall face
Reinforced concrete floor thickness is 70mm, and the reinforced concrete floor thickness being overlying in inner wall surface is 40mm.In formal gunite concrete
Before, be to having installed the close inspection of steel nail 2, it is ensured that the retention of steel nail 2 during gunite concrete.Strict control speed in course of injection
Degree, forbids point position once to arrive design thickness, necessarily according to flowing water, be uniformly ejected into design thickness.To ensure thickness, injection
After the completion of artificial jet thickness is checked using draw point insertion.To ensure reinforced concrete floor quality, in gunite concrete final set 24
Sprinkle water and normally conserve after hour.
The particle diameter of rubble in concrete is 0.2mm-20mm.For uncompacted difficulties of jetting cement, specific
Work progress in, workmen, which needs to strengthen, to use the entirety of concrete, it is ensured that the density of jetting cement.This point can lead to
The measure of three aspects is crossed to realize：1. in the cement from concrete, workmen must select the superior high-quality of material
Cement, strengthens the requirement to cement quality；2. when from aggregate, to select to meet requirement as far as possible, clean rubble, particle diameter
For in 0.2-20mm；3. during injection, necessarily first do model wall, it is deployed after can large area injection.During injection, model wall is first done
Construction requirement whether is met the proportioning of examining concrete, the proportioning of concrete is met can large area injection after construction requirement.
It is preferred that as a kind of preferable embodiment, steel is injected toward inner wall surface and wall face using steel nail gun in step 4
Steel nail limited block is also used when following closely 2, steel nail limited block is hard wooden unit, and steel nail limited block has drilling, when steel nail gun penetrates steel nail 2
The drilling of ailhead alignment steel nail limited block is injected, and steel nail limited block is used to limit the steel nail injection depth of wall 1 and exposed length
Degree, steel nail is injected after wall 1, and the afterbody of steel nail is placed in the outside of reinforced mesh 2.Workmen is main in specific work progress
It is pointed to after metope reinforced mesh installation, injects steel nail, the spacing use hard of steel nail away from interior use steel nail wall therebetween
Wooden unit, central bore, steel nail wall nailing head is directed at spacing wooden unit hole and injected, and is put into limited block effect and is that steel nail is injected
Wall depth and exposed nail length, it is ensured that steel nail total length is on the outside of reinforced mesh and the position within protective layer, so as to increase
Effective length of the steel nail in new and old wall, it is ensured that the cohesive force of new and old metope.
The gunite concrete of various embodiments above strengthens the construction method of processing with brick wall binder course, is set by scene in-depth
The method that jetting cement and old brick wall basic unit set steel nail is counted, compared to traditional base treatment method, it is to avoid metope hollowing, crack are big
The problems such as.Greatly reduce wall surfacing later stage repair issues.Avoid waste of material.Binder course sets steel nail, and such a increase is new and old
The method of metope can be used for the connection application of unlike material wall in similar transformation.Steel nail binder course reinforcement processing is well suited for old
Cell exterior wall aseismatic reinforcement engineering, because steel nail is quick for installation, section when saving of labor, the metope later stage not hollowing, metope after finishing is repaiied
Reason probability is substantially reduced, so as to greatly save construction cost, shortens the construction period, it is ensured that construction safety, overall economic efficiency
It is good.
For the big shortcoming in new and old wall binder course imprecision, easy hollowing, crack, steel nail peace is carried out using old brick wall
The problems such as method that dress is strengthened solves jetting cement hollowing.Strengthen progress specific aim for new and old metope binder course to study the countermeasure, adopt
Steel nail is implanted into old wall and connects new and old metope, new and old wall binder course connectivity, later stage cracking of wall surface dimension is substantially increased
Repair and substantially reduce.
By optimizing design to new and old wall connecting construction method, such construction connection method is applied to old small
In area's seismic hardening improvement and design, the control and optimization of construction process and technical measures, realize and simplify construction, meet complex environment
Requirement, improve effect and construction quality, be that similar projects play a part of demonstrating and used for reference, promote the hair of Construction Technology
Exhibition.
It should be noted that in the case where not conflicting, feature in various embodiments above and embodiment can mutual group
Close.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.
Claims (9)
1. a kind of gunite concrete strengthens the construction method of processing with brick wall binder course, it is characterised in that comprise the following steps：
Step 1：Base cleaning, rinses dust using clear water after brick wall, cleaning metope is cleared up with dust catcher function electric planer, treats
High-strength interfacial agents are brushed after drying；
Step 2：Carry out interface processing；
Step 3：Reinforced mesh is installed in inner wall surface and wall face；
Step 4：Steel nail is injected toward inner wall surface and wall face using steel nail gun；
Step 5：Ash cake is set uniform, and ensures its intensity, it is to avoid jetting cement is destroyed to it；
Step 6：Gunite concrete, before formal gunite concrete, checks having installed steel nail, is reached in the retention of steel nail
To, again to uniform gunite concrete on reinforced mesh, being struck off after the completion of injection during technological requirement, obtain being overlying on inner wall surface and exterior wall
Reinforced concrete floor on face.
2. gunite concrete according to claim 1 strengthens the construction method of processing with brick wall binder course, it is characterised in that
The particle diameter of rubble in the concrete is 0.2mm-20mm.
3. gunite concrete according to claim 1 strengthens the construction method of processing with brick wall binder course, it is characterised in that
Steel nail limited block is also used when injecting steel nail toward inner wall surface and wall face using steel nail gun in step 4, steel nail limited block is hard
Wooden unit, steel nail limited block has drilling, and the drilling of ailhead alignment steel nail limited block is injected when steel nail gun penetrates steel nail, steel nail limit
Position block is used to limit steel nail injection wall depth and protruded length, and steel nail is injected after wall, and the afterbody of steel nail is placed in reinforced mesh
Outside.
4. gunite concrete according to claim 1 strengthens the construction method of processing with brick wall binder course, it is characterised in that
The reinforced concrete floor thickness being overlying on wall face is 70mm, and the reinforced concrete floor thickness being overlying in inner wall surface is 40mm.
5. gunite concrete according to claim 1 strengthens the construction method of processing with brick wall binder course, it is characterised in that
Sprinkled water after gunite concrete final set 24 hours normal maintenance.
6. the gunite concrete according to claim any one of 1-5 strengthens the construction method of processing with brick wall binder course, its
It is characterised by, during step 6 gunite concrete, also first does model wall to examine whether the proportioning of concrete meets construction requirement, mixes
The proportioning of solidifying soil is met can large area injection after construction requirement.
7. the gunite concrete according to claim any one of 1-5 strengthens the construction method of processing with brick wall binder course, its
It is characterised by, the steel nail is stainless steel lag screws, and the length of the steel nail is 5 centimetres, and the afterbody of the steel nail is 1mm empennages.
8. the gunite concrete according to claim any one of 1-5 strengthens the construction method of processing with brick wall binder course, its
It is characterised by, interface processing is carried out in step 2, its processing mode is that swabbing mud or/and cement add glue wharf's pavement quality.
9. the gunite concrete according to claim any one of 1-5 strengthens the construction method of processing with brick wall binder course, its
It is characterised by, the step of also including checking jet thickness using draw point insertion after the completion of gunite concrete.
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| CN201710598464.0A CN107288364A (en) | 2017-07-21 | 2017-07-21 | A kind of gunite concrete strengthens the construction method of processing with brick wall binder course |
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| CN201710598464.0A CN107288364A (en) | 2017-07-21 | 2017-07-21 | A kind of gunite concrete strengthens the construction method of processing with brick wall binder course |
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Cited By (6)
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| CN109930856A (en) * | 2019-04-02 | 2019-06-25 | 浙江力唯装饰设计工程有限公司 | A kind of the old and new's wall concatenation construction method |
| CN110565974A (en) * | 2019-07-27 | 2019-12-13 | 中建科技有限公司 | method for transforming existing building structure |
| CN113235965A (en) * | 2021-05-12 | 2021-08-10 | 三峡大学 | Method for additionally installing and repairing heat-insulating layer of old residential building |
| CN115773014A (en) * | 2022-11-30 | 2023-03-10 | 中国建筑第二工程局有限公司 | Multilayer hanging net concrete spraying reinforcement method for old house reconstruction |
| IE20220094A1 (en) * | 2022-06-02 | 2023-12-06 | Mcginley Hugh | Cavity Wall Repair System |
| CN118388196A (en) * | 2024-04-23 | 2024-07-26 | 吉林省水利科学研究院 | Low-rebound-rate high-performance shotcrete based on composite gel system and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930856A (en) * | 2019-04-02 | 2019-06-25 | 浙江力唯装饰设计工程有限公司 | A kind of the old and new's wall concatenation construction method |
| CN110565974A (en) * | 2019-07-27 | 2019-12-13 | 中建科技有限公司 | method for transforming existing building structure |
| CN113235965A (en) * | 2021-05-12 | 2021-08-10 | 三峡大学 | Method for additionally installing and repairing heat-insulating layer of old residential building |
| CN113235965B (en) * | 2021-05-12 | 2022-04-08 | 三峡大学 | Method for additionally installing and repairing heat-insulating layer of old residential building |
| IE20220094A1 (en) * | 2022-06-02 | 2023-12-06 | Mcginley Hugh | Cavity Wall Repair System |
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| CN115773014A (en) * | 2022-11-30 | 2023-03-10 | 中国建筑第二工程局有限公司 | Multilayer hanging net concrete spraying reinforcement method for old house reconstruction |
| CN118388196A (en) * | 2024-04-23 | 2024-07-26 | 吉林省水利科学研究院 | Low-rebound-rate high-performance shotcrete based on composite gel system and construction method |
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Application publication date: 20171024 |
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| WW01 | Invention patent application withdrawn after publication |