CN104831831B - Foam concrete-large-porosity shale brick outer wall and self heat insulation system construction method - Google Patents
Foam concrete-large-porosity shale brick outer wall and self heat insulation system construction method Download PDFInfo
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Abstract
The invention discloses a foam concrete-large-porosity shale brick outer wall and self heat insulation system construction method. The method mainly comprises the steps of wall body positioning line snapping, wall body bottom foot arranging, middle hole single-bar post bar planting, wall body first construction section building maintenance, core post fine stone concrete first construction section casting, steel bar first-time connection, wall body second stage building maintenance, steel bar second-time connection, core post fine stone concrete second construction stage filling, wall body painting maintenance, cavity foam concrete filling, wall body top filling painting and the like. The construction method has the advantages that adopted machinery, equipment and tools are common in construction sites, the manufacturing is simple, and the preparation is convenient; when the construction method is used, the heat insulation materials and the wall body are completely integrated, and the wall body self heat insulation in the real sense can be realized. The quality and the safety are ensured, meanwhile, the construction period, the cost, the energy saving and the environment protection are sufficiently considered, and the positive significance is realized in aspects such as construction period reduction, labor cost and turnover material rent cost reduction, environment protection and safe and civilized construction.
Description
Technical field
The invention belongs to building energy saving field, particularly to a kind of foam concrete-big porosity shale brick outer wall self heat-preserving system
Construction method.
Background technology
With the continuous quickening of social continuous development and urbanization process, people to building the energy effectively utilizes
There are higher requirement, an energy-saving new problem becoming the continuous exploration of building trade with environmental conservation aspect.Building is outer
Wall is the primary structure of building, is also an important content in construction, and external wall is to the isolation effect of heat energy not only
The maintenance of impact interior of building thermal environment, and the service life extending building is played the role of important.Good builds
Build External Walls Heating Insulation and not only contribute to keep the use function of building moreover it is possible to reduce building maintenance and repairerment to a certain extent
Cost, thus increasing economic efficiency.The building self-heat conserving external wall that the present invention is implemented is big porosity shale single hole brick and diplopore
Brick combination is built by laying bricks or stones, and Formation cross-section is the wall form in three holes；Fill fine-stone concrete in middle in the hole and form stem stem, both sides cavity charges tool
There is the light foam concrete of heat-insulating property, to realize wall self-insulation truly；This invention heat-insulating property is good, operation side
Just, operation simplifies, and reliable in quality can be saved the duration, reduces cost, be had reference.
Content of the invention
It is an object of the invention to provide a kind of foam concrete-big porosity shale brick outer wall self heat-preserving system construction method.
A kind of foam concrete-big porosity shale brick outer wall self heat-preserving system construction method is it is characterised in that include following walking
Rapid:
(1) body of wall positioning, snap the line: body of wall is carried out on structural slab according to design drawing and building block size and positions and eject phase
Answer position；
(2) foot is arranged in body of wall bottom: accurately carries out the building construction of the first skin building block according to the wall line position ejecting；
(3) mesopore single reinforcement stem stem bar planting: in body of wall mesopore corresponding bottom and top rebars xoncrete structure beam slab position between two parties
Put and carry out single steel bar bar planting by specification and design requirement；Bottom reinforcement bars and top rebars all carry out pull-out test；
Body of wall first construction section build by laying bricks or stones, maintenance: carry out the first construction section after bar planting pull-out test result meets the requirements
Building wall, guarantees the fissure of displacement in building process, builds height by laying bricks or stones and is 1.3 meters, maintenance three days after the completion of building by laying bricks or stones；
(5) stem stem fine-stone concrete first construction section perfusion: to the first construction section body of wall mesopore position perfusion fine-stone concrete completing；
(6) reinforcing bar First Contact Connections, examination: after the first construction section stem stem microlith concrete pouring completes and reaches final set, adopt
First and second construction section stem stem reinforcing bar of single fillet welded mode connecting wall, the second construction section reinforcing bar length should meet and first
Construction section reinforcing bar and body of wall top rebars all can reach single-sided welding length requirement；
Body of wall second stage build by laying bricks or stones, maintenance: build second stage body of wall 200mm position to top structure beam/plate by laying bricks or stones；
(8) reinforcing bar connects for second, checks and accepts: the second construction section stem stem reinforcing bar and body of wall roof beam/plate bottom bar planting section are carried out
Single-sided welding；
(9) stem stem fine-stone concrete second construction section perfusion: stem stem microlith is carried out to the second construction section body of wall mesopore position completing
Concrete pouring；
(10) wall plastering, maintenance: four facades of body of wall are painted, and maintenance three days；
(11) cavity foam concrete pouring: body of wall both sides closed cavity is using stirring foaming delivery pump pressure injection foam concrete；
(12) the filling of body of wall top, rendering: adopt common shale brick masonry, middle hole location formwork in body of wall top both sides
Form funnel-form, pour fine-stone concrete, repair chisel horn mouth after some strength to be achieved, subsequently painted, paint with lower wall body
Formed overall.
Body of wall positioning in step 1, snap the line should carry out body of wall positioning according to design drawing and building block size on structural slab
And eject relevant position, and telltale mark is carried out for upper and lower bar planting position.
The building construction that foot accurately carries out the first skin building block according to the wall line position ejecting is arranged in body of wall bottom in step 2,
Follow-up masonry is controlled to build skin number, row's brick mode etc. (to guarantee the fissure of displacement and build by laying bricks or stones to be defined) by laying bricks or stones.
Before construction in step 3, first carry out calculating with welding requirements, arrange according to floor height and reinforcing steel implant, determine each
Section reinforcing bar length.For ease of site operation, bar planting protruded length in body of wall bottom is unsuitable long, and general value 1500mm(is less than body
High), body of wall top bar planting protruded length value 200mm；Reinforcing bar implantation position should be mesopore middle position, and will ensure to plant up and down
Muscle aligned in position；Bar planting process carries out an acceptance inspection by code requirement, and construction completes to need to do pull-out test after maintenance.
Carry out the first construction section building wall, building process after bar planting pull-out test result meets the requirements in step 4
In guarantee the fissure of displacement, build by laying bricks or stones height be 1.3 meters, mortar adopts premixing mortar, and its intensity meets design requirement；Maintenance after the completion of building by laying bricks or stones
Three days.
In step 5 for complete first construction section body of wall mesopore position perfusion fine-stone concrete, concrete strength grade be c20,
Cobble-stone diameter controls in 15mm, slump controls in 140mm ± 20mm, carries out placement layer by layer by 0.5 meter of thickness, every layer is poured
Reinforcing bar or other stick-like object is manually used slowly to plug it is ensured that concrete is closely knit when smashing.
In step 6 after the first construction section stem stem microlith concrete pouring completes and reaches final set, using single fillet welded side
First and second construction section stem stem reinforcing bar of formula connecting wall, the second construction section reinforcing bar length should meet with the first construction section reinforcing bar and
Body of wall top rebars all can reach single-sided welding length requirement.
Second stage body of wall is built by laying bricks or stones to the following 200mm position of top structure beam (plate), construction method is with step 4 in step 7.
The second construction section stem stem reinforcing bar in step 8 and body of wall roof beam (plate) bottom bar planting section carry out single-sided welding.
In step 9, body of wall the second construction section mesopore position carries out stem stem microlith concrete pouring, specific implementation method and step 6 phase
With.
Four facades of body of wall in step 10 are painted, and paint quality and meet design and code requirement, and maintenance three days,
Body of wall is made to form closed cavity.
Body of wall both sides closed cavity in step 11 is using stirring foaming delivery pump pressure injection b05 level foam concrete (cooperation
Than cement: 270 kg/m3, mixing water: 135 kg/m3, foaming agent: 0.8 kg/m3, thinned water: 32 kg/m3), select
Pressure value is 3kpa, and conduit is placed on wall cavity bottom and is irrigated, and control irrigation rate is 0.5l/min；After the completion of perfusion
Checked within second day, carried out secondary supplementary irrigation to there being sedimentation situation；After being finally completed perfusion, surface layer cleaning need to be carried out, strike off, really
Protect subsequent construction can be smoothed out.Light thermal-insulation foam concrete configuration volume is:.
The top seam that carries out after building wall completes 14 days in step 12 is clogged；Adopt common shale in body of wall top both sides
Brick masonry, using after antiseptic timber wedge jam-packed, polymer cement mortar plug is real for its top and structural beams space position；In
Between hole location formwork formed funnel-form, horn mouth level height be higher than body of wall tip position 50mm, pour the microlith of c25 intensity
Concrete, repaiies chisel horn mouth, is subsequently painted after reaching 80% intensity, paint with lower wall body and form entirety.
Present invention has the advantage that 1. quality aspect, conventional outer wall heat insulation system operation is more, difficulty of construction big, from
And cause quality control all linked with one another, hidden danger of quality easily occurs, is easily affected by weather condition in work progress simultaneously；And this
Invention construction method easy construction it is easy to operation, only need to guarantee to irrigate closely knit in light thermal-insulation foam concrete filling process
Guarantee building heat preserving requirement.After coming into operation, using the exterior wall of conventional vacuum way, easily hollowing, flakes in facing
Etc. phenomenon, cause the later stage using percolating water it is extremely difficult to reprocess.Construction method of the present invention, is directly to fill on the face of plastering of metope
Decorations, as long as workmen strictly constructs by specification of plastering, scheme, quality is easily controlled.2. security civilization aspect, heat preservation construction mistake
Journey workman only need to construct in the special grouting equipment of floor built-in function, safe ready, meanwhile, in terms of hidden fire-fighting danger, the present invention
There is the conventional vacuum not comparable advantage of construction, work progress is substantially no inflammable, combustible material；Outrigger is closed, and reduces high-altitude
Pendant thing hidden danger.3. duration aspect, if with traditional exterior-wall heat insulation method, still needing after the completion of building wall and carry out base cleaning, guarantor
Adiabator is constructed, wipes one's face etc. and just can be decorative the construction of layer after the numerous and diverse operation of multiple tracks.And adopt foam concrete-big porosity shale brick
Outer wall self heat-preserving system construction method, can carry out the construction of decorative layer, letter after the completion of the construction of wall light heat insulation foam concrete
Change construction process, effectively shorten the duration.4. economic aspect, different heat insulation system operating expenses: (1) adopts granular polystyrene to protect
Warm mortar, about 40 yuan of exterior-wall heat insulation unit price/.(2) extruded polystyrene board is adopted to be incubated, about 32 yuan of exterior-wall heat insulation unit price/.(3)
Using foam concrete-big porosity shale brick outer wall self heat-preserving system, about 27 yuan of exterior-wall heat insulation unit price/.Comparative descriptions, this exterior wall is certainly
Heat insulation system relatively economical.5. energy-conserving and environment-protective aspect, materials for wall used is big porosity shale brick, and is entered according to wall size
Row scale is processed, and greatly reduces consumptive material needed for making walling and builds loss by laying bricks or stones, compared with traditional building block, in walling making side
Collection capacity in the face of natural resourcess reduces by 37.6%, reduces the destruction to environment；Shale brick and the use of light thermal-insulation foam concrete,
Reduce the deadweight of body of wall, thus concrete strength and the ratio of reinforcement of structural bearing component can be reduced, save material；Light thermal-insulation steeps
Foam concrete main raw material(s) is water, cement and foaming agent, basic noiselessness and airborne dust in filling process.
Brief description
Fig. 1 is footing row's brick and bar planting schematic diagram.
Fig. 2 is stem stem bar connecting schematic diagram.
Fig. 3 is body of wall first time to build schematic diagram by laying bricks or stones.
Fig. 4 is to pour stem stem fine-stone concrete first time to smash schematic diagram.
Fig. 5 is that body of wall builds schematic diagram for the second time by laying bricks or stones.
Fig. 6 is that stem stem fine-stone concrete pours for the second time and smashes schematic diagram.
Fig. 7 is wall plastering schematic diagram.
Fig. 8 is that both sides cavity light thermal-insulation foam concrete pours and smashes schematic diagram.
Fig. 9 is that stem stem reinforcing bar plants bar connecting schematic diagram in advance with wall back timber bottom.
Figure 10 is wall top both sides cavity area shale brick filling schematic diagram.
Figure 11 is that stem stem wall top region fine-stone concrete finally pours into a mould schematic diagram.
Figure 12 is that schematic diagram is painted at wall body top.
Specific implementation method
1st, foam concrete-big porosity shale brick outer wall self heat-preserving system construction method is described in detail as follows:
(1) line setting.According to construction drawing and building block size, line setting is carried out to body of wall position, and for planting up and down
Telltale mark is carried out in muscle portion position.
(2) footing row brick.Position line according to ejecting carries out footing row's brick, controls follow-up masonry to build skin number, row's brick mode by laying bricks or stones
Deng (to guarantee the fissure of displacement and build by laying bricks or stones to be defined).
(3) stem stem bar planting and examination.Before construction, first carry out calculating with welding requirements, arrange according to floor height and reinforcing steel implant
Cloth, determines each section of reinforcing bar length.For ease of site operation, unsuitable long, the general value of body of wall bottom bar planting protruded length
1500mm(is less than height), body of wall top bar planting protruded length value 200mm；Reinforcing bar implantation position should be mesopore middle position,
And upper and lower bar planting aligned in position will be ensured.Bar planting process carries out an acceptance inspection by code requirement, and construction completes to need to do drawing after maintenance
Test.
(4) big porosity shale brick is built by laying bricks or stones and bar connecting.The big main brick of porosity shale (240*290*190 diplopore) and auxiliary brick
(240*140*190 single hole) is combined building by laying bricks or stones, upper hypodermis exchange position, the upper and lower fissure of displacement, and mortar joint is full.Building wall is divided into two
In the individual stage, the first stage builds 1.3 meters high by laying bricks or stones, and second stage builds the 200mm position to the periphery beam bottom of floor top by laying bricks or stones, builds by laying bricks or stones every time
Highly control and guaranteeing every section of stem stem reinforcing steel bars exposed 200mm, be easy to bar connecting, bar connecting adopts single-sided welding.
(5) stem stem perfusion fine-stone concrete.Stem stem perfusion fine-stone concrete is divided into two construction stages according to building wall operation, and first
Stage building wall to 1.3 meters, 200mm below second stage building wall to floor top periphery beam bottom, per stage building wall
Implement stem stem microlith concrete pouring after completing simultaneously maintenance three days.Before perfusion concrete, execute tri-inspection system degree, can after management acceptance(check)
Carry out next procedure construction.Microlith concrete strength be c20, cobble-stone diameter controls within 15mm, slump control 140mm ±
20mm.Control rate of flooding in work progress, press every layer of 50cm during perfusion using layering perfusion, often irrigate one layer of employing one straight section
Strip reinforcing bar or other stick-like object carry out pulling and pushing vibrating, to guarantee stem stem fine-stone concrete degree of compaction.
(6) light thermal-insulation foam concrete pouring.Perfusion foam concrete front wall body need to be plastered, and forms closed cavity.Wait to plaster foster
Shield, after three days, carries out light thermal-insulation foam concrete pouring, perfusion scene at least needs two people to carry out coordinative construction, and strict control irrigates
Pressure and speed, injection pressure general control controls in 0.5l/min in 3kpa, irrigation rate.Carry out within second day after the completion of perfusion
Check, carry out secondary supplementary irrigation to there being sedimentation situation.After being finally completed perfusion, surface layer cleaning need to be carried out, strike off it is ensured that subsequent construction
Can be smoothed out.Light thermal-insulation foam concrete configuration volume is: cement: 270 kg/m3, mixing water: 135 kg/m3, foaming
Agent: 0.8 kg/m3, thinned water: 32 kg/m3.
(7) top seam filling.Top seam filling is carried out after building wall completes 14 days.Need before filling to strike off body of wall horizontal plane,
Clean out, and it is moistening to water.Masonry long side two ends are built by laying bricks or stones with reference to mortar using ordinary sinter shale brick, its top and structural beams
Using after antiseptic timber wedge jam-packed, polymer cement mortar plug is real at space position；Middle part hole is propped up using template
If horn mouth, water fine-stone concrete.
(8) plaster in body of wall top.Body of wall top base layer is cleared up, cuts including the unnecessary concrete of fine-stone concrete horn mouth, after
Continuous carry out this position surrounding and plaster.
, quality control is described in detail as follows:
1st, reasonable, the feasible arrangement and method for construction of establishment before constructing, and organize and implement after supervisor's examination ＆ verification approval, before enforcement
Confided a technological secret.
2nd, maintain strict control over material pass.All materials of marching into the arena must have the related certificate of competency or quality assurance single, reinforcing bar, cement, sand,
Building block, mortar, fine-stone concrete etc. need to have retrial return on qualification.
3rd, rebar-planting quality controls
3.1 borings: boring aperture should the ratio implantation big 4-6mm of bar diameter, drilling depth is to be during concrete strength >=c30
10d, less than during c30 be 13d.
3.2 borehole cleanings: should clear up immediately after boring, wipe hole wall ashes with brush, and blow off the ash in boring with compressed air
Powder, then with clean object temporary plugging aperture, in case dust, the debris such as sand grains fall into it is ensured that hole is clean, to strengthen hole wall
Cohesive force with anchoring adhesive.
3.3 bar planting surface treatments: bar planting should first pass through physical test, remove bar planting Surface Fe using Mechanical Method or wire brush
Rust and oxide layer, then remove residual greasy dirt with the third bronze medal, treated reinforcing bar should implant in the hole as early as possible, it is to avoid pollutes again.Matter
It is that reinforcing bar implant part surface is clean, to increase the cohesive force with structure glue that amount controls key.
3.4 structure glue perfusions: most of structure glue are bicomponent material, are deep into bottom hole portion with proboscis utensil, by squeezing
By glue in the hole filling perforation air-out gradually from the inside to surface, injecting glue amount is the 1/2～1/3 of hole depth to depressor.Quality control is crucial
It is to start injecting glue the bottom of from, colloid must not be with the presence of bubble.
3.5 reinforcing bar implantation: the bar planting handled well is slowly screwed in the hole desired depth.Quality control key is that bar planting is necessary
Slow screw-in.
3.6 is curing: when the reinforcing bar maintenance at normal temperatures having implanted in the hole is to the structure glue using to the regulation of consolidation
Between, period must not disturbance.
4th, building wall
Before 4.1 build by laying bricks or stones, brick should shift to an earlier date 1d ~ 2d appropriateness and moisten, must not be using the brick masonry of hacking or water suction saturation.
4.2 strict control gray seam thickness.Horizontal mortar joint and vertical gray seam thickness are preferably 10mm, and no less than 8mm, also not
Should be greater than 12mm.Perps should adopt slurry-scraping method, builds by laying bricks or stones after first smearing mortar again.
The perpendicularity of 4.3 masonries, surface smoothness, gray seam thickness and full degree of mortar at bed joint, all should check and at any time in mortar
It is corrected before final set.
4.4 build height daily by laying bricks or stones cannot be greater than 1.5m.
4.5 quality control on construction grades should be by existing national standards " masonry structure engineering construction quality acceptance specification "
The regulation execution of gb50203.
5th, stem stem perfusion fine-stone concrete
Before 5.1 stem stem perfusion fine-stone concretes, application water rinses, moistening hole wall.
After 5.2 masonry mortar intensity are more than 1.0mpa, mesopore concrete can be irrigated.
5.3 often pour 500cm about height, should consolidate once, or when pouring with plug-in type instrument consolidate.
The transport of 5.4 stem stem fine-stone concretes, pour, maintenance, end product quality, existing national standards " xoncrete structure should be met
Engineering construction quality acceptance specification " gb50204 requirement.
6th, cavity perfusion light thermal-insulation foam concrete.
Before 6.1 cavity perfusion light thermal-insulation foam concretes, wall body need to carry out overall rendering, forms closed cavity, prevents from leaking outside,
Lower step construction can be carried out after painting maintenance three days.
Trial ratio should be carried out before 6.2 perfusions, and do corresponding insulation test, can be irrigated after pass the test.
6.3 strict control irrigation rates are in 0.5l/min, it is to avoid irrigation rate is too fast air layer.
The body of wall that the perfusion of 6.4 same day completes, must be checked every other day, occur sinking situation and need to carry out secondary supplementary irrigation.
, security control is described in detail as follows:
1 item manager branch sets up safety assurance system, before construction, person in charge of the technology aspect and security official to bar planting, build by laying bricks or stones,
Paint, grouting teams and groups carry out safety and tell somebody what one's real intentions are and safety education, and formed and written tell somebody what one's real intentions are, educate record.
2 charge operation personnel should observe " construction safety check criteria " (jgj 59), " construction high-rise working
Technical specification of security " (jgj 80), " job site temporary electricity technical specification of security " (jgj46), " building machinery uses safety
Technical regulation " pertinent regulations such as (jgj33).
3 enter that Safety helmets must be worn for job sites, fasten seat belts during high-rise working, and outrigger construction part is up and down and frame
External side need to carry out sealing treatment.
Protective gloves should be worn during 4 construction, protect hand skin.
5 bar plantings, mortar mixing, site operation illumination etc. are related to electricity consumption operation, need to carry out safety measures for power consumption.
6 build by laying bricks or stones and rendering scaffold should be set up by the arrangement and method for construction of censored approval, and should meet national existing correlation
The regulation of scaffold technical specification of security.After acceptance(check), must not arbitrarily remove and change scaffold.
7 floor dischargings and get the raw materials ready and should not concentrate stacking, must not exceed the design live load standard value of floor.
The security against fire at 8 engineering construction scenes should meet existing national standards " engineering construction scene security against fire skill
Art specification " gb50720 pertinent regulations.
The security performance of plant equipment during 9 slips casing by pressure, need to be guaranteed, it is to avoid operational error and pressure occurs and hurts sb.'s feelings
Thing occurs.
10 note carrying out facing side construction safety protection measure.
, environment protection control is described in detail as follows:
When the establishment safety in production of 1 project management department, civilized construction special scheme, content includes civilized construction, environmental protective measure,
And it is in accordance with " construction site environment and sanitary standard " (jgj 146) and right to be strict with operation team in work progress
Operation team is told somebody what one's real intentions are.
2 live bar planting personal managements, setting movable simple sound absorption equipment during bar planting, anchoring adhesive waste material collects daily
Middle recovery, process, forbid arbitrarily abandoning.
3 job sites are used for stirring premixing mortar and the blender of light thermal-insulation foam concrete should have Radix Saposhnikoviae, the closing of sound insulation
Go along with sb. to guard him facility, and dust arrester is installed, its noise level limit should meet the provisions of the relevant regulations issued by the State.
4, during mortar, fine-stone concrete, the stirring of light thermal-insulation foam concrete, transport, using, omit material and should reclaim place
Reason, sewage produced by cleaning machinery, should recycle after sedimentation tank precipitation process.
5 high-rise workings must not shed material, rubbish, dust and waste water etc..
6 operating area rubbish should clean out in sky, the building waste producing in work progress, should carry out classification process.
7 carry on construction work at night less than 22 points.Live night illumination adopts optically focused facility, towards construction area, must not be large-scale
Illumination.
The regular watering and lowering dust in 8 job sites.
Claims (6)
1. a kind of foam concrete-big porosity shale brick outer wall self heat-preserving system construction method is it is characterised in that comprise the following steps:
(1) body of wall positioning, snap the line: body of wall is carried out on structural slab according to design drawing and building block size and positions and eject corresponding positions
Put；
(2) foot is arranged in body of wall bottom: accurately carries out the building construction of the first skin building block according to the wall line position ejecting；
(3) mesopore single reinforcement stem stem bar planting: in body of wall mesopore corresponding bottom and top rebars concrete structured beam/Board position between two parties
Carry out single steel bar bar planting by specification and design requirement；Bottom reinforcement bars and top rebars all carry out pull-out test；
Body of wall first construction section build by laying bricks or stones, maintenance: carry out the first construction section body of wall after bar planting pull-out test result meets the requirements
Build by laying bricks or stones, in building process, guarantee the fissure of displacement, build height by laying bricks or stones and be 1.3 meters, maintenance three days after the completion of building by laying bricks or stones；
(5) stem stem fine-stone concrete first construction section perfusion: to the first construction section body of wall mesopore position perfusion fine-stone concrete completing；
(6) reinforcing bar First Contact Connections, examination: after the first construction section stem stem microlith concrete pouring completes and reaches final set, using one side
First and second construction section stem stem reinforcing bar of mode connecting wall of welding, the second construction section reinforcing bar length should meet and the first construction
Section reinforcing bar and body of wall top rebars all can reach single-sided welding length requirement；
Body of wall second stage build by laying bricks or stones, maintenance: build second stage body of wall 200mm position to top structure beam/plate by laying bricks or stones；
(8) reinforcing bar connects for second, checks and accepts: the second construction section stem stem reinforcing bar and body of wall roof beam/plate bottom bar planting section are carried out one side
Welding；
(9) stem stem fine-stone concrete second construction section perfusion: stem stem fine-stone concrete filling is carried out to the second construction section body of wall mesopore position completing
Note；
(10) wall plastering, maintenance: four facades of body of wall are painted, and maintenance three days；
(11) cavity foam concrete pouring: body of wall both sides closed cavity is using stirring foaming delivery pump pressure injection foam concrete；
(12) the filling of body of wall top, rendering: adopt common shale brick masonry in body of wall top both sides, middle hole location formwork is formed
Funnel-form, pours fine-stone concrete, repaiies chisel horn mouth, subsequently painted after some strength to be achieved, paints with lower wall body and is formed
Overall.
2. construction method according to claim 1 is it is characterised in that in step 3, bottom reinforcement bars stretches out structural plane
1500mm, top rebars stretch out structural plane 200mm.
3. construction method according to claim 1 is it is characterised in that in step 5, microlith concrete strength grade is c20, stone
Size controlling, in 15mm, highly carries out placement layer by layer by every layer of 50cm, forms single reinforcement fine-stone concrete stem stem.
4. construction method according to claim 1 is it is characterised in that in step 10, after four facades of body of wall paint, make wall
Body both sides cavity forms airtight cavity relatively.
5. construction method according to claim 1 is it is characterised in that in step 11, carry out pressure using b05 level foam concrete
Pump irrigates, and is 3kpa from pressure value, conduit is placed on cavity bottom and is irrigated, and control irrigation rate is 0.5l/min, described
The match ratio of b05 level foam concrete is: cement: 270 kg/m3, mixing water: 135 kg/m3, foaming agent: 0.8 kg/m3, dilute
Release and use water: 32 kg/m3.
6. construction method according to claim 1 is it is characterised in that in step 12, horn mouth level height is higher than structure
Beam/above the 50mm in plate bottom；After intensity reaches 80%, horn mouth is carried out repairing chisel.
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| CN109322436A (en) * | 2018-11-09 | 2019-02-12 | 朱新伟 | Assembled cylinder |
| WO2020107313A1 (en) * | 2018-11-29 | 2020-06-04 | 陈韦丞 | Combination wall formed by reinforced bricks |
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| WO2012051611A1 (en) * | 2010-10-15 | 2012-04-19 | Constructive, L.L.C. | Prefabricated compound masonry units |
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| CN103216024A (en) * | 2013-04-30 | 2013-07-24 | 株洲博尔曼科技发展有限公司 | Self-heat-preservation mortar-free block masonry shear wall system and construction method thereof |
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