CN107435417A - Roofing foam concrete construction - Google Patents
Roofing foam concrete construction Download PDFInfo
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- CN107435417A CN107435417A CN201710467232.1A CN201710467232A CN107435417A CN 107435417 A CN107435417 A CN 107435417A CN 201710467232 A CN201710467232 A CN 201710467232A CN 107435417 A CN107435417 A CN 107435417A
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- concrete
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- 239000011381 foam concrete Substances 0.000 title claims abstract description 107
- 238000010276 construction Methods 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004744 fabric Substances 0.000 claims abstract description 9
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- 238000012423 maintenance Methods 0.000 claims abstract description 7
- 239000004567 concrete Substances 0.000 claims description 27
- 238000013461 design Methods 0.000 claims description 17
- 239000004568 cement Substances 0.000 claims description 14
- 238000005187 foaming Methods 0.000 claims description 11
- 239000002002 slurry Substances 0.000 claims description 10
- 239000004088 foaming agent Substances 0.000 claims description 9
- 239000011083 cement mortar Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 8
- 239000006260 foam Substances 0.000 claims description 7
- 230000007547 defect Effects 0.000 claims description 6
- 239000003550 marker Substances 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- 238000010410 dusting Methods 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 239000004035 construction material Substances 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 14
- 241000251468 Actinopterygii Species 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 74
- 230000008901 benefit Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000003818 cinder Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012407 engineering method Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D7/00—Roof covering exclusively consisting of sealing masses applied in situ; Gravelling of flat roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
- E04D13/1668—Insulation of the roof covering characterised by its integration in the roof structure the insulating material being masses or granules applied in situ
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1687—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure the insulating material having provisions for roof drainage
- E04D13/1693—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure the insulating material having provisions for roof drainage the upper surface of the insulating material forming an inclined surface
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D7/00—Roof covering exclusively consisting of sealing masses applied in situ; Gravelling of flat roofs
- E04D7/005—Roof covering exclusively consisting of sealing masses applied in situ; Gravelling of flat roofs characterised by loose or embedded gravel or granules as an outer protection of the roof covering
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a kind of roofing foam concrete construction in building engineering field, including prepared by preparation of construction, base treatment and examination, foam concrete, foam concrete pours, alkaline-resisting grid cloth is constructed, looks for slope to receive the steps such as face maintenance.The present invention applies to flat roof deck engineering（Within the gradient 5%）The sloping layer and heat-insulation layer of architectural construction; saving of work and time, thermal and insulating performance are good; with some strength and water resistance; alternative heat-insulation layer and sloping layer, fish tail and waterproof layer can be also served as; solve the shortcomings that foam concrete mobility is big, easy to crack, and effectively control drainage grade and surface smoothness.
Description
Technical field
The present invention relates to building engineering field, is to be related to a kind of roofing foam concrete construction specifically.
Background technology
In traditional building roof engineering, generally use cement cinder or cement perlite do sloping layer, EPS/XPS plates
Or pearlite slab does heat-insulation layer.And in the building roof work progress, its raw material quality is influenceed big, process by Seasonal
More, cycle length；Easy ponding in work progress, vapor are not easy to discharge for a long time, easily cause roof leakage.
Drawbacks described above, it is worth solving.
The content of the invention
In order to overcome the shortcomings of existing technology, the present invention provides roofing foam concrete construction.
Technical solution of the present invention is as described below：
Roofing foam concrete construction, it is characterised in that comprise the following steps：
Step 1, preparation of construction：Design parameter including clear and definite bubble concrete layer, the preparation and preparation for preparing construction material
Construction machinery；
Step 2, base treatment and examination；
Step 3, bullet put facade control line；
Step 4, roofing drain port is installed and goes out roofing sleeve pipe：According to the foam concrete thickness calculated in construction drawing and step 1
Degree, roofing drain port is installed according to absolute altitude and goes out roofing sleeve pipe, and fixed；
Step 5, prepare foam concrete：
Step 6, first layer foam concrete is poured into plane；
Step 7, unwrapping wire, arrangement ash cake：
Step 8, second layer foam concrete is poured, and third layer foam concrete is carried out after second layer foam concrete initial set
Pour；
Step 9, the alkaline-resisting grid cloth of press-in：After the completion of third layer foam concrete pours, alkaline-resisting net is laid along order direction is poured
Ge Bu, alkaline-resisting grid cloth lay smooth, each edge lap 100mm, and positioned at 5mm~10mm under foam concrete layer surface；
After the completion of step 10, each layer pour, carry out looking for slope to receive face；
Step 11, maintenance：Foam concrete, which pours, to be fully completed, plastic covering film and felt, determine people determine a post carry out watering support
Shield.
According to the present invention of such scheme, it is characterised in that in the step 2, basic unit, which checks and accepts processing, to be included at basic unit
Reason and basic unit check and accept：
In base treatment, debris, ponding, greasy dirt and the weakness of loose peeling dusting of roofing concrete structure plate face are removed
Concrete layer；
In basic unit checks and accepts, roof-base passes through water-storing test, detail treatment and local defect and determines draining by processing, measurement
Slope aspect, carry out mark.
According to the present invention of such scheme, it is characterised in that in the step 3, according to construction drawing and design foam
Concrete layer thickness and the roof drainage gradient, calculate bubble concrete layer maximum gauge, steep at parapet periphery and corner, node
Foam concrete thickness degree, and eject bubble concrete layer grade line and gradient control with the line of ink marker in periphery parapet, the facade of high building
Line processed（It is parallel with grade line and be higher than 200mm）；
According to the present invention of such scheme, it is characterised in that in the step 5, specifically include：
（1）According to the match ratio of design：Trial foam concrete, determine the volume ratio of its cement, foaming agent and water, and root
According to the scale of construction for pouring foam concrete every time, the dosage of each composition material is determined；
（2）Configuration foaming slurry：According to foaming agent unit dose in match ratio, prepared by being pressurizeed after bottle retort dilution of foaming
Go out the slurry that foams；
（3）Mixing cement mortar：According to match ratio, quantitative water is added in mixer, then the cement of weighing is put into mixer
Inside stir；
（4）The foaming slurry and cement mortar that prepare are mixed together, then carry out high-speed stirred, makes it well mixed；
（5）Foam concrete is delivered to the scope of operation using foam concrete delivery pump；
（6）While foam concrete pours, foam concrete ash cake block and foam concrete test specimen are made.
Further, in step（5）In, the good foam concrete of Site should be with system with indwelling time is not more than
30min。
According to the present invention of such scheme, it is characterised in that in the step（6）In, pour while entered using wooden planker
Row is levelling, in casting process, according to the drainage grade continuous laying of measurement, and is struck off with floating rule.
According to the present invention of such scheme, it is characterised in that the step（6）In first layer bubble concrete layer thickness
For 80mm~120mm.
According to the present invention of such scheme, it is characterised in that in the step（7）In, treat first layer bubble concrete layer
Final set and after people being gone up（After about 48 hours）, ridge line and roofing watershed line are ejected with the line of ink marker in foam concrete layer surface, and
Ash cake is laid according to watershed line, drainage grade, ash cake uses foam concrete block to be smaller than as material, any two points
1500mm。
According to the present invention of such scheme, it is characterised in that the step 10 includes step：
（1）It is levelling using wooden planker respectively after the completion of each layer of foam concrete pours, with 2M aluminium alloy darby according to ash cake height
It is levelling that degree and roof drainage line carry out receipts face；
（2）Treat that last layer of foam concrete pours completion, wooden planker it is levelling and stand it is stable after, smear the secondary receipts of extruding using steel
Face.
According to the present invention of such scheme, it is characterised in that in the step 11, moisten water after final set and use plastics
Film all standing, then whole bedding felts, carry out watering maintenance.
According to the present invention of such scheme, its advantage is：
1st, foam concrete itself have density is small, in light weight, thermal and insulating performance is good, sound insulation value is good, fire resistance is good, stream
The advantages of dynamic property is good, vibrates when pouring without any, saving of work and time, construction is simple and it is green the characteristics of, apply to roofing
Sloping layer and heat-insulation layer.
2nd, foam concrete category mineral heat preserving and insulating material, there is some strength and water resistance, for roofing not
Only good heat insulation effect, also replaces sloping layer, in inverted roof, the protective layer of waterproof layer can be doubled as, in positively fixed type
In roofing, the basic unit of waterproof layer can be doubled as.
3rd, the present invention by the way of placement layer by layer using solving the shortcomings that foam concrete mobility is big, and effectively controls
Drainage grade and surface smoothness, effectively foam concrete is controlled to shrink by using the technique for laying alkaline-resisting grid cloth
Greatly, common quality defect easy to crack.
Embodiment
The present invention is further described with reference to embodiment：
A kind of roofing foam concrete construction, comprises the following steps：
First, preparation of construction
1st, technique preparation：
1）Determine match ratio
According to design document, the design parameters such as the thickness, unit weight, thermal conductivity factor of bubble concrete layer are specified, determine foam coagulation
Native coordination in works.
Cement selection P.C32.5R levels；Foaming agent preferably uses organic foaming agent, and its coefficient of foaming is more than 20 times, settles away from small
In 10mm, bleeding quantity is less than 80ml.
2）Special construction plan is worked out, and is confided a technological secret.
2nd, material prepares
Foam concrete dosage is calculated according to drawing.According to coordination in works, determine cement, water, alkaline-resisting GRC glass fiber reticular cloths,
The dosage of the materials such as plastic sheeting, felt, material planning is proposed, and it is standby to march into the arena according to material planning.
3rd, machinery prepares
Foam concrete mixing machine and conveying equipment are disposed in place before construction, and hot- line test is ready.
2nd, basic unit's examination is handled
1st, base treatment
Remove debris, ponding, greasy dirt and loose, peeling dusting the weak concrete layer of roofing concrete structure plate face.Basic unit
Surface keeps smooth, firm, clean.
2nd, basic unit checks and accepts
Roof-base should pass through water-storing test, detail treatment and local defect and determine draining slope aspect by processing, measurement, carry out mark
Know, ensure that foam concrete thermal insulation layer minimum thickness meets design requirement.
3rd, bullet puts facade control line
According to construction drawing and design bubble concrete layer thickness and the roof drainage gradient, it is maximum thick to calculate bubble concrete layer
Bubble concrete layer thickness at degree, parapet periphery and corner, node, and in the facades such as periphery parapet, high building line of ink marker bullet
Go out bubble concrete layer grade line and slope control line（It is parallel with grade line and be higher than 200mm）.
The 4th, roofing drain port is installed and go out roofing sleeve pipe
According to construction drawing and the bubble concrete layer thickness of calculating, roofing drain port is installed according to absolute altitude and goes out roofing sleeve pipe, and
Fixed.Roofing drain port is closed using interim measure, avoids foam concrete from flowing away.
5th, prepared by foam concrete
1st, according to design mixture proportion, trial foam concrete, the volume of its cement, foaming agent, water is determined；And according to pouring every time
The scale of construction of foam concrete, determine the dosage of each composition material.
2nd, configuration foaming slurry.According to foaming agent unit dose in match ratio, by being pressurizeed after bottle retort dilution of foaming
Make foaming slurry.
3rd, mixing cement mortar.According to match ratio, quantitative water is added in mixer, then the cement of weighing is put into stirring
Stirred in machine, it is desirable to which slurry is uniform, is not allow for agglomerate and bulky grain is present.Denseness is suitable, has well sticky and scattered
Property.
4th, the foaming slurry and cement mortar that prepare are mixed together, then carry out high-speed stirred, make to be well mixed, top
Non-foam floats, and bottom is suitable without mud block, denseness.
5th, foam concrete is delivered to the scope of operation using foam concrete delivery pump.
6th, the good foam concrete of Site should be with system with indwelling time is not preferably greater than 30min.
7th, while foam concrete pours, manufacturing specification is needed to be mixed for 40mm*40mm foam concrete ash cake blocks and foam
Coagulate native test specimen.Foam concrete test specimen, which meets in JG/T266, to be provided, for detecting thermal conductivity factor, the flammability of foam concrete
Energy, unit weight and compression strength.
6th, first layer foam concrete is poured
1st, foam concrete should divide three layers and poured according to design thickness.Wherein first layer bubble concrete layer thickness is
80mm~120mm.
2nd, first layer foam concrete, which pours, builds up plane, without looking for slope, pours while is carried out using wooden planker levelling.
3rd, when foam concrete pours, continuous laying, should be struck off according to the drainage grade of measurement with floating rule, it is not handy to shake
Dynamic device vibrates, if pave compacting can, next day watering maintenance.
7th, unwrapping wire, arrangement ash cake
After it the final set of first layer bubble concrete layer and people can be gone up（After about 48 hours）, according to construction drawing, in foam concrete
Layer surface ejects ridge line and roofing watershed line with the line of ink marker.And ash cake is laid according to watershed line, drainage grade, ash cake uses foam
Concrete block is smaller than 1500mm as material, any two points.
8th, the second layer, third layer foam concrete are poured
1st, it is 40mm~80mm that the second layer, third layer foam concrete, which pour thickness, the slope gradient is looked for according to design requirement, with ash
Cake, roofing watershed line, facade control line are controlled.
2nd, second layer foam concrete pours completion, treats its initial set（People can be gone up）Third layer foam concrete is carried out afterwards to pour
Build.
9th, it is pressed into alkaline-resisting grid cloth
After the completion of third layer foam concrete pours, alkaline-resisting grid cloth is laid along order direction is poured, alkaline-resisting grid cloth laying is flat
It is whole, each edge lap 100mm, and positioned at 5mm~10mm under foam concrete layer surface.
Tenth, slope is looked for receive face
1st, levelling using wooden planker after the completion of each layer of foam concrete pours, 2M aluminium alloy darby is according to ash cake height and room
It is levelling that face discharge line carries out receipts face.
2nd, last layer of foam concrete pours completion, wooden planker it is levelling and stand it is stable after（After about 1 hour）Even if with
The secondary receipts face of extruding is smeared with steel.
11, conserve
Foam concrete, which pours, to be fully completed, and is moistened water after final set and is used plastic sheeting all standing, then whole bedding felts.It is fixed
People, which determines a post, carries out watering maintenance, daily 4~6 times, to ensure foamed concrete surface moistening on daytime rate 100%, night moistening rate
70%.Curing time is 7 days.
Engineering method of the present invention is good using foam concrete heat-preserving heat-proof quality, and fire resistance is good, the features such as good fluidity, by it
Apply to roof slope making layer and heat-insulation layer.Power transmitting can be changed using alkaline-resisting Gitterfasern cloth, its each layer construction is using soft
The releasable distortional stress of property, makes foam concrete system have the function such as good insulation, cracking resistance, resistance to deformation, impervious.Make foam
The roof heat insulation and exterior-wall heat insulation of concrete form the system of a heat energy closing, block indoor and environment's heat transmission, so as to
Have the function that energy-conservation.
The present invention can realize following benefit：
Social benefit：The application of foam concrete, effect is effectively improved, shorten the duration.Construct green and improve
The total quality of roofworks.
Economic benefit：Compared with traditional material and construction method, reduce working procedure and artificial input amount, improve
Construction production efficiency, shortens the duration, has saved cost.
Concrete application example
1st, Correspondent Tai Koo Shing 5# plot engineering
Correspondent Tai Koo Shing 5# plot projects are located at the tunnel of Xi'an City, Shanxi Province Fengcheng City 12 and western copper high speed intersection northwest corner,
It is made up of 7 high levels and underground garage.Overall floorage 193254.29m2, wherein 33 layers of construction area are on the ground
167751.29m2,1 layer of underground construction area are 25503m2, building height 99.45m.
Engineering went into operation on July 11st, 2011, completion on November 30th, 2014.Each roofing of the engineering uses foam concrete
Layer substitutes cement cinder sloping layer, cement mortar screeding layer and the XPS plate heat-insulation layer in former design, foam concrete thinnest part
150mm, unit weight grade are A04.After the construction method construction of the present invention, crack, surface smoothness, row are effectively controlled
The common quality defects such as the water gradient, an acceptable quality level reach 90%, and the construction period shortens 33, saves about 110,000 yuan of expense.Construction
Quality obtains the favorable comment of each side.
2nd, procuratorial work technology investigation complex building project
Procuratorial work technology investigation complex building projects are located at the Xi'an City, Shanxi Province Hu Chao ecotope Hu Ni main roads stage casing north of a road, always build
Area 21331.421m2 is built, wherein 9 layers of construction area are 14008.29m2 on the ground, 2 layers of underground construction area is 7323.12
M2, building height 45.1m.
Engineering went into operation on January 15th, 2013, completion on May 31st, 2016.Each roofing of the engineering uses foam concrete
Layer substitutes the cement cinder sloping layer and XPS plate heat-insulation layer in former design, foam concrete thinnest part 130mm, and unit weight grade is
A04.After the construction method construction of the present invention, it is effectively controlled the quality such as crack, surface smoothness, drainage grade and leads to
Disease, an acceptable quality level reach 92%, and the construction period shortens 16, saves about 3.3 ten thousand yuan of expense.Construction quality obtains each side
Favorable comment.
3rd, Lin Kai cities first stage of the project
Lin Kai cities 3#, 5#, 6# building, business and underground garage engineering project be located at Xianyang, Shanxi province city Chen Yang Zhai Qinhuang South Roads with
Century avenue northeast corner, it is made up of 3 high levels, business and underground garage.Overall floorage 112479.9m2, wherein 33 layers on the ground
Construction area is 78148.35m2, and 1 layer of underground construction area is 34331.56m2, building height 99.45m.
In this application example, the match ratio of foam concrete construction：Dry density grade is A04 levels, and dry density is
400kg/m3, thermal conductivity factor are 0.12W/ (m.k), cement 350kg, water 150kg, post foaming agent 1.33kg.
Engineering went into operation on November 1st, 2013, completion on May 31st, 2016.Each roofing of the engineering uses foam concrete
Layer substitutes cement cinder sloping layer, cement mortar screeding layer and the XPS plate heat-insulation layer in former design, foam concrete thinnest part
110mm, unit weight grade are A04.After construction using the present invention, crack, surface smoothness, weathering are effectively controlled
The common quality defects such as degree, an acceptable quality level reach 95%, and the construction period shortens 15, saves about 4.5 ten thousand yuan of expense.Construction matter
Measure the favorable comment of each side.
Following table one is the economic efficiency contrast point of conventional construction engineering method and engineering method of the present invention in the one phase project 3# buildings of Lin Kai cities
Analysis.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Exemplary description is carried out to patent of the present invention above, it is clear that the realization of patent of the present invention is not by aforesaid way
Limitation, as long as employ patent of the present invention methodology and technical scheme carry out various improvement, or it is not improved will this
The design of patent of invention and technical scheme directly apply to other occasions, within the scope of the present invention.
Claims (10)
1. roofing foam concrete construction, it is characterised in that comprise the following steps：
Step 1, preparation of construction：Design parameter including clear and definite bubble concrete layer, the preparation and preparation for preparing construction material
Construction machinery；
Step 2, base treatment and examination；
Step 3, bullet put facade control line；
Step 4, roofing drain port is installed and goes out roofing sleeve pipe：According to the foam concrete thickness calculated in construction drawing and step 1
Degree, roofing drain port is installed according to absolute altitude and goes out roofing sleeve pipe, and fixed；
It is prepared by step 5, foam concrete：
Step 6, first layer foam concrete is poured into plane；
Step 7, unwrapping wire, arrangement ash cake：
Step 8, second layer foam concrete is poured, and third layer foam concrete is carried out after second layer foam concrete initial set
Pour；
Step 9, the construction of alkaline-resisting grid cloth：After the completion of third layer foam concrete pours, alkaline-resisting net is laid along order direction is poured
Ge Bu；
After the completion of step 10, each layer pour, carry out looking for slope to receive face；
Step 11, maintenance：Foam concrete, which pours, to be fully completed, plastic covering film and felt, determine people determine a post carry out watering support
Shield.
2. roofing foam concrete construction according to claim 1, it is characterised in that in the step 2, basic unit
Checking and accepting processing includes base treatment and basic unit's examination：
In base treatment, debris, ponding, greasy dirt and the weakness of loose peeling dusting of roofing concrete structure plate face are removed
Concrete layer；
In basic unit checks and accepts, roof-base passes through water-storing test, detail treatment and local defect and determines draining by processing, measurement
Slope aspect, carry out mark.
3. roofing foam concrete construction according to claim 1, it is characterised in that in the step 3, foundation
Construction drawing and design bubble concrete layer thickness and the roof drainage gradient, calculate bubble concrete layer maximum gauge, parapet
Bubble concrete layer thickness at periphery and corner, node, and eject foam coagulation with the line of ink marker in periphery parapet, the facade of high building
Soil layer grade line and slope control line.
4. roofing foam concrete construction according to claim 1, it is characterised in that in the step 5, specifically
Including：
（1）According to the match ratio of design：Trial foam concrete, determine the volume ratio of its cement, foaming agent and water, and root
According to the scale of construction for pouring foam concrete every time, the dosage of each composition material is determined；
（2）Configuration foaming slurry：According to foaming agent unit dose in match ratio, prepared by being pressurizeed after bottle retort dilution of foaming
Go out the slurry that foams；
（3）Mixing cement mortar：According to match ratio, quantitative water is added in mixer, then the cement of weighing is put into mixer
Inside stir；
（4）The foaming slurry and cement mortar that prepare are mixed together, then carry out high-speed stirred, makes it well mixed；
（5）Foam concrete is delivered to the scope of operation using foam concrete delivery pump；
（6）While foam concrete pours, foam concrete ash cake block and foam concrete test specimen are made.
5. roofing foam concrete construction according to claim 4, it is characterised in that in step（5）In, scene is stirred
The foam concrete mixed should be with system with indwelling time is not more than 30min.
6. roofing foam concrete construction according to claim 1, it is characterised in that in the step（6）In, pour
Build while levelling using the progress of wooden planker, in casting process, according to the drainage grade continuous laying of measurement, and scraped with floating rule
It is flat.
7. roofing foam concrete construction according to claim 1, it is characterised in that the step（6）In
One layer of bubble concrete layer thickness is 80mm~120mm.
8. roofing foam concrete construction according to claim 1, it is characterised in that in the step（7）In, treat
First layer bubble concrete layer final set and after can going up people, ejects ridge line in the foam concrete layer surface line of ink marker and roofing divides water
Line, and ash cake is laid according to watershed line, drainage grade, ash cake uses foam concrete block as material, any two points spacing
Less than 1500mm.
9. roofing foam concrete construction according to claim 1, it is characterised in that the step 10 includes step
Suddenly：
（1）It is levelling using wooden planker respectively after the completion of each layer of foam concrete pours, with 2M aluminium alloy darby according to ash cake height
It is levelling that degree and roof drainage line carry out receipts face；
（2）Treat that last layer of foam concrete pours completion, wooden planker it is levelling and stand it is stable after, smear the secondary receipts of extruding using steel
Face.
10. roofing foam concrete construction according to claim 1, it is characterised in that in the step 11, treat
Moisten water after final set and use plastic sheeting all standing, then whole bedding felts, carry out watering maintenance.
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| CN108516769A (en) * | 2018-05-28 | 2018-09-11 | 佛山市源水通防水材料有限公司 | Roof heat insulation, which is defended, fills out inorganic silicon foaming mixed mud and its preparation and construction method |
| CN109942234A (en) * | 2019-01-22 | 2019-06-28 | 天津大学 | A kind of foam concrete preparation method adding aqueous epoxy resins and curing agent |
| CN112854272A (en) * | 2021-01-26 | 2021-05-28 | 西南科技大学 | Preparation method of underground engineering wall ground seepage drainage system |
| CN115385631A (en) * | 2022-08-30 | 2022-11-25 | 中铁建设集团南方工程有限公司 | Foam concrete precast slab for protecting waterproof layer and preparation method and installation method thereof |
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| CN115385631A (en) * | 2022-08-30 | 2022-11-25 | 中铁建设集团南方工程有限公司 | Foam concrete precast slab for protecting waterproof layer and preparation method and installation method thereof |
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