CN106083150A - Self-heat conserving autoclaved lightweight sand aerated concrete block and wall construction technique thereof - Google Patents
Self-heat conserving autoclaved lightweight sand aerated concrete block and wall construction technique thereof Download PDFInfo
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- CN106083150A CN106083150A CN201610405621.7A CN201610405621A CN106083150A CN 106083150 A CN106083150 A CN 106083150A CN 201610405621 A CN201610405621 A CN 201610405621A CN 106083150 A CN106083150 A CN 106083150A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
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- Inorganic Chemistry (AREA)
- Finishing Walls (AREA)
Abstract
The invention discloses a kind of self-heat conserving autoclaved lightweight sand aerated concrete block and wall construction technique thereof, air-entrained concrete building block, including the composition of following parts by weight: cement 100 parts, 50 60 parts of water, 10 19 parts of flyash, desulfurated plaster 20 25 parts etc.；Also provide for a kind of method preparing described air-entrained concrete building block and wall construction technique thereof.The present invention provide construction technology safety good, cost performance is high, without the inside and outside heat-insulation layer that adds, operation is few, and the duration is short, and cost is low；Using effect is good, good endurance, the life-span same with building.
Description
Technical field
The present invention relates to a kind of self-heat conserving autoclaved lightweight sand aerated concrete block and wall construction technique thereof.
Background technology
Along with energy-saving building is widelyd popularize, building exterior wall heat preserving is widely used.Building construction exterior wall tradition
Way mostly be block air-mixed concrete pieces, paste warming plate after exterior-wall heat insulation also needs to, or smear other thermal insulation mortar etc. its
Its scheme, all exists from the shortcoming such as great, operation is loaded down with trivial details, inflammable, heat insulation effect is the best, comprehensive cost is high.Through multinomial engineering
Application and practical studies, exterior wall use AAC autoclaved lightweight sand aerated concrete block (hereinafter referred to as AAC), can significantly alleviate from
Weight, reduces operation, fire prevention, high insulating effect, it is not necessary to smear anticracking grout and have easy construction, reduces the advantages such as comprehensive cost.
Autoclaved lightweight sand aerated concrete block is to be raw material by cement, Calx, sand, the nothing made through high-pressure steaming and cultivating
Radioactivity, free of contamination porous, inorganic environment friendly wall material, use autoclaved lightweight sand aerated concrete block to replace traditional adding
Gas concrete, enhances the performances such as the heat insulating and sound insulating of body of wall, fire resistance, water resistant permeability.Self-heat conserving autoclaved lightweight sand aerating
The characteristics such as concrete block wall is to use special masonry mortar, utilizes AAC building block heat conductivity low, and intensity is high, meet building
Thing power conservation requirement.The newly-built residential building being applicable to severe cold and cold district, hot-summer and cold-winter area fills wall or old building
Wall reconstruction engineering, play fire prevention, insulation, heat insulation effect.
Summary of the invention
The technical problem to be solved is: provide a kind of self-heat conserving autoclaved lightweight sand aerated concrete block and
Wall construction technique.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
The self-heat conserving autoclaved lightweight sand aerated concrete block that the present invention provides, including the composition of following parts by weight: cement 100
Part, water 50-60 part, flyash 10-19 part, desulfurated plaster 20-25 part, nemalite 5-13 part, basalt fibre 11-19
Part, molybdenum trioxide 9-14 part, aluminium powder 3-8 part, aluminium hydroxide 1-8 part, ethylene bis stearic acid amide 5-10 part, three glycerol stearate
Ester 3-8 part, tert-butyl acrylate 4-9 part, hydrogen peroxide 8-16 part.
The method of the self-heat conserving autoclaved lightweight sand aerated concrete block described in preparation, comprises the following steps:
A, the cement by described parts by weight, water, flyash, desulfurated plaster, nemalite, ethylene bis stearic acid amide add
Blender mix homogeneously.
B, by the basalt fibre of described parts by weight, silicon bath soil, molybdenum trioxide, glyceryl tristearate add blender
Mix homogeneously.
Mixture in c, aluminium powder by described parts by weight, aluminium hydroxide, tert-butyl acrylate, step a, is sequentially added into
In mixture in step b, with 400-600 turn/speed of min stirs 30-40 minute；It is subsequently adding described parts by weight
Hydrogen peroxide, with 500-800 turn/speed of min stirs 30-50 minute；After cast, keep 30 minutes at 80-90 DEG C, then room
Maintenance 48 hours, stripping and slicing under the conditions of temperature.
D, by quiet stop maintenance after base substrate put into steam-cured still and carry out steam press maintenance, at room temperature evacuation 0 minute, makes steaming
In pressure still, pressure is 0～-0.06MPa；Then 180 DEG C it are warmed up to, pressure 1.1MPa, it is incubated 5-7 hour, decrease temperature and pressure 3 hours,
In making still, pressure drops to 0MPa, has taken out the base substrate that steam pressure is supported, obtain air-entrained concrete building block in still.
The present invention also provides for a kind of wall construction technique, comprises the following steps:
(1) before building by laying bricks or stones, building block must not be watered moistening, carries out examination row by wall section actual quantities size and building block size, should accomplish during row's block
The up and down fissure of displacement, not enough monoblock be cut into required size with electric slicer, cannot be less than the 1/3 of stripping and slicing, use and be completely paved with squeezing
Build by laying bricks or stones, the upper and lower skin-deep mutual fissure of displacement, inside and outside take block, the building block lap of splice is the 1/3 of building block length, and not less than 150mm.If building block
Length≤300mm, its lap of splice is no less than the 1/2 of block length.If can not meet, horizontal mortar joint should arrange 2 φ 6.5
Reinforcing bar or φ 4 reinforced mesh are strengthened, and reinforcement length is no less than 500mm.Bottom the partition wall that toilet is adjacent with other room
Should pour and be not less than 200 high pea gravel concretens；
(2) building block uses all-cis masonry method, and mortar joint should be smooth vertical and horizontal, and mortar is full, wants first mortar laying, first floor paving 1:3 before building by laying bricks or stones
Cement mortar thickness is not less than 20mm, more than builds by laying bricks or stones for specialty masonry mortar.Mortar joint 2-3mm, places the position (mortar joint of tension rib
The epithelial surface of hypodermis aerated blocks) open channels, size should ensure that tension rib is wrapped up by mortar entirely.When building a wall want two-sided hanging wire, one
Surely to accomplish " on line, under with rib, left and right will be to flat ", every layer will threading level watching, metope to smooth with plaster ground at any time, with
Reduce surface plastering thickness.Upper and lower building block should not have straight joint；Mortar joint requires smooth vertical and horizontal, and mortar is full, must not occur transparent
Seam, blind seam and baste.Fragment of brick matte board polishes, and continues to build by laying bricks or stones after being cleaned out by floating ash.
(3) mortar laying: masonry mortar must be uniform by mechanical agitation, and match ratio, mixing time and consistency of mortar should meet
Construction requirement.Mixing time must not be less than 3min, is transported to build place by laying bricks or stones by the mortar being stirred, with mixing with, cement mixing sand
Slurry should be finished within 4H, when the construction period highest temperature is more than 30 DEG C, should use complete within 3H.Before building position by laying bricks or stones
Carrying out piecemeal paving ash with ash spoon, thickness is suitable, and slurry face is smooth.Aerated-block should be placed immediately after paving slurry, and preferably once ajust.Perpendicular
Seam should fill up tamping and strike off, and can build the second skin building block by laying bricks or stones after the first skin building block mortar joint initial set.
(4) body of wall corner and in length and breadth body of wall junction should build by laying bricks or stones simultaneously, the upper and lower skin-deep mutual fissure of displacement, inside and outside sting block overlap joint, build
When body is built to the non-monoblock in door-window opening limit, the specification cutting into needs, air-entrained concrete building block are processed in the available building block with kind
Fill intersect with beam (plate) end bottom wall top, door-window opening limit can be with prefabricated C20 pea gravel concreten brick, bottom and top layer
For prefabricated section, midfeather is arranged；
(5) the in place and correction of building block: building block in place should first remote after near, get on, get off, first outside and then inside, at corner or location
Start, hang a skin and correct a skin, make building block bottom surface level fall, time in place, strictly control drop-off positions well, slowly fall, bracing wire
Control masonry absolute altitude and surface smoothness, till hanging straight correction with cable inlet bracket；Hanging wire: necessary two-sided hanging wire when building by laying bricks or stones, if long wall
Several using same with line per capita, centre should set several fulcrum, and little line to be strained, and threading level watching wanted by every layer of brick, and the level ash of making meets
Uniformity, straight smoothness；Laying bricks: to set level when laying bricks, Li Shougao, metope to be opened, and expert is low, and metope to be carried on the back, and laying bricks will be with
Line, " on line, under with rib, left and right are adjacent will be to flat ".
(6) external and internal wall is built by laying bricks or stones simultaneously, builds height every day by laying bricks or stones less than 1.5m；The masonry end face finished building the same day preferably places 1
The floating pressure of skin aerated-block.15mm～20mm gap should be stayed at the bottom of body of wall and raising-plate building by laying bricks or stones, after finishing building 7d, can be to this seam
Handling flexibly is done with PU foaming agent.First in body of wall side with the glue rifle cementation of fissures, then at body of wall opposite side, squeegee with glue rifle, in time
Remove stream pendant.
(7) wall structure post and tension rib are arranged, and specify according to design requirement, construction quality accident specification and combine construction
On-site actual situations, a. wall length >=1.5 times wall is high or wall length arranges constructional column more than during 6m in the middle part of wall length；B. body of wall corner needs
If constructional column；C. at inner, external wall infall and the internal partition wall infall of wall length >=5m, the frameless post in elevator hoistways corner and elevator
Jing Men limit, go out room () constructional column need to be set at the ventilation shaft of face；Both sides, the biggest hole (width is more than or equal to 2.4m)；F. cantilever wall
End need to set constructional column.:
(8) filling wall external wall structure post is concrete-constituted pile, and it is 4 ф 12 that constructional column indulges muscle, stirrup Φ 6.5@200, constructional column
Vertical muscle uses resin anchoring agent anchorage inserted bar method, and vertical muscle is connected by cold overlap joint of tying up, and the lap of splice is 40d, concrete strength etc.
Level is C20；The body of wall on constructional column limit should stay horse tooth trough, horse tooth trough first step back into, each horse tooth trough along short transverse no more than
300mm, concavo-convex raft is not less than 60mm, and constructional column two edge short transverse arranges 2 φ 6.5 reinforcing bars every 50cm and makees connecting lacing wire,
Tension rib is not less than the 1/5 of wall length along wall length direction built-in length, and not less than 700mm, reinforcing bar end becomes 90 degree of crotches, first builds
Good wall, after-pouring constructional column concrete.Arrangement of reinforcement length is not less than 1/5 and 700 middle higher values of body of wall length, and arrangement of reinforcement is 2 Φ
6@500.Should slot in the position (upper surface of mortar joint hypodermis aerated blocks) placing tension rib, size should ensure that tension rib is entirely by mortar
Parcel, mortar minimum thickness is 3mm.
Interior wall constructional column is steel column, squeezes ash closely knit around steel column, arranges ironware along the high every 500mm of post and connects, ironware and steel
Post is no less than spot welding at 6.Reinforced column overall height arranges ironware drawknot spacing 500, and ironware is connected with main body by steel nail.Wall
Height is more than 4m, and centre adds one collar tie beam.During outer-wall building, at drawknot at the bottom of wall applied on top ironware with beam, spacing is
1200。
(9) body of wall stays raft:
The corner of wall, junction simultaneously entirety should be stung raft and build by laying bricks or stones, when can not build by laying bricks or stones simultaneously, it is necessary to staying oblique raft, oblique raft should
Less than the 2/3 of wall length, the most tiltedly raft floor projection is no less than masonry height.Stay raft part-block necessary straight along logical；Wall body
The interim construction hole arranged, width of cave entrance not should be greater than 1000mm, and its side is no less than 600mm from junction metope, top
Portion should arrange reinforced concrete lintel, and both sides, hole masonry should make convex raft.Interim discontinuities is not when staying oblique raft, except corner
Outside place, it is possible to stay straight raft, but straight raft must make convex raft.Staying straight Cha Chu should add steel tie, the quantity of steel tie is 2 ф
6.5 steel ties, spacing is not to be exceeded 500mm along wall height, embedment length from stay Cha Chu count every limit all be no less than 1000mm,
End should have 90 degree of crotches；First should rinse well meeting Cha Chu when connecing raft, water moistening, then paving ash connects block.
(10) body of wall stay set groove hole and Buried pipe should meet the following requirements:
Correctly should reserve when building by laying bricks or stones by the position, groove hole in construction drawing and sectional dimension, and must not be on aerated-block body of wall
Cutting level and oblique groove.
Putting vertical hidden pipe for burying, can reserve vertical groove, trench cross section is preferably 60mm × 60mm, and not should be greater than 120mm
×120mm.After pipeline is installed, first the cement mortar at flute surfaces spary interfacial agents C15 pea gravel concreten or M10 is clogged close
Real, hot-dip galvanizing steel wire or alkali resistant glass fibre open weave cloth are laid in surface, and its width should cross over notch, and every limit is stretched into length within the walls and is not less than
100mm, and stickfast should be tightened.
(11), during the building wall of outside, building block outer goes out building 50mm, to guarantee that going out insulation with concrete component completes
Face is concordant.
(12) foot trick must not be stayed during building wall.Aerated-block body of wall and the connection of other spare and accessory parts, should be solid and reliable,
The pre-buried steel part used should eliminate rust, and once brushes red oil, and twice, built-in fitting must not be fixed on the aerated-block of small dimension to antirust paint
On.
(13) Pluvial construction consistency of mortar should suitably reduce, and builds by laying bricks or stones every day highly no more than 1.2m, and when knocking off, application is anti-
Rain material covers surface of newly building a wall.Rainy day should not build by laying bricks or stones.
(14) construction of reinforced concrete structural column, horizontal binder, capping beam and steel tie should meet that " masonry project is executed
The relevant regulations of working medium amount acceptance specification GB50203.
(15) the local notch of body of wall, application specific mending mortar fills up, and the most handy other materials is clogged.Mending mortar can
Be exclusively used in dry powder and mortar or other polymer mortars by the broken foam of aerated-block and HB-423 or other mortars add glue preparation and
Become.
(16) body of wall crack control measures
(17) sash is installed
Window frame should be fixed with the precast concrete block metal anchor bolt built into position, body of wall upper, middle and lower, both sides, hole. frame and body of wall
Between gap PU foaming agent fluid sealant and binding agent filling. window frame and lower portion windowsill, window frame and wall body node way:
Building block at doorframe and wall connecting should use the calibrated bolck of long 600mm. and the special tap bolt position of fixing doorframe is suitable
At the wall thickness i.e. center of this building block, or must not < 50mm from metope horizontal range.
Beneficial effects of the present invention:
The autoclaved lightweight sand aerated concrete block partition wall that the present invention provides only need to be in concrete block masonry well Puttying later, no
Need two sides mortar plastering, eliminate the expense of mortar plastering, additionally in existing conventional light partition wall material, its unit are
Wall quality (about 91kg/m2) is less than air-entrained concrete building block, hollow brick, concrete hollow block, GRC batten, Taibai panel etc.,
Unit are wall cost is relatively low. therefore compared with other partition walls, and more economical material benefit, high-strength light.Use AAC building block without
Doing exterior-wall heat insulation again, save the expense of exterior-wall heat insulation, economic benefit is the biggest；Material flatness is high, and masonry quality is good, and surface is put down
Whole degree height, it is not necessary to process of plastering again, without building waste, is therefore a kind of excellent green energy-conserving construction material, has good ring
Protect benefit.
The present invention provide construction technology safety good, cost performance is high, without the inside and outside heat-insulation layer that adds, operation is few, the duration
Short, cost is low；Using effect is good, good endurance, the life-span same with building.
Detailed description of the invention
Embodiment 1
The self-heat conserving autoclaved lightweight sand aerated concrete block that the present embodiment provides, including the composition of following parts by weight: cement
100 parts, 60 parts of water, 19 parts of flyash, desulfurated plaster 25 parts, nemalite 13 parts, basalt fibre 19 parts, molybdenum trioxide 14
Part, aluminium powder 8 parts, aluminium hydroxide 8 parts, ethylene bis stearic acid amide 10 parts, glyceryl tristearate 8 parts, tert-butyl acrylate 9
Part, hydrogen peroxide 16 parts.
Preparation method comprises the following steps:
A, the cement by described parts by weight, water, flyash, desulfurated plaster, nemalite, ethylene bis stearic acid amide add
Blender mix homogeneously；
B, by the basalt fibre of described parts by weight, silicon bath soil, molybdenum trioxide, glyceryl tristearate add blender mixing
Uniformly；
Mixture in c, aluminium powder by described parts by weight, aluminium hydroxide, tert-butyl acrylate, step a, is added sequentially to step
In mixture in rapid b, with 400-600 turn/speed of min stirs 30-40 minute；It is subsequently adding the dioxygen of described parts by weight
Water, with 500-800 turn/speed of min stirs 30-50 minute；After cast, keep 30 minutes at 80-90 DEG C, then room temperature bar
Maintenance 48 hours, stripping and slicing under part；
D, by quiet stop maintenance after base substrate put into steam-cured still and carry out steam press maintenance, at room temperature evacuation 0 minute, makes still kettle
Interior pressure is 0～-0.06MPa；Then 180 DEG C it are warmed up to, pressure 1.1MPa, it is incubated 5-7 hour, decrease temperature and pressure 3 hours so that
In still, pressure drops to 0MPa, has taken out the base substrate that steam pressure is supported, obtain air-entrained concrete building block in still.
Utilize the wall construction technique of the self-heat conserving autoclaved lightweight sand aerated concrete block of above-mentioned preparation, including following step
Rapid:
(1) before building by laying bricks or stones, building block must not be watered moistening, carries out examination row by wall section actual quantities size and building block size, should accomplish during row's block
The up and down fissure of displacement, not enough monoblock be cut into required size with electric slicer, cannot be less than the 1/3 of stripping and slicing, use and be completely paved with squeezing
Build by laying bricks or stones, the upper and lower skin-deep mutual fissure of displacement, inside and outside take block, the building block lap of splice is the 1/3 of building block length, and not less than 150mm；If building block
Length≤300mm, its lap of splice is no less than the 1/2 of block length；If can not meet, horizontal mortar joint should arrange 2 φ 6.5
Reinforcing bar or φ 4 reinforced mesh are strengthened, and reinforcement length is no less than 500mm；Bottom the partition wall that toilet is adjacent with other room
Should pour and be not less than 200 high pea gravel concretens；
(2) building block uses all-cis masonry method, and mortar joint should be smooth vertical and horizontal, and mortar is full, wants first mortar laying, first floor paving 1:3 before building by laying bricks or stones
Cement mortar thickness is not less than 20mm, more than builds by laying bricks or stones for specialty masonry mortar；Mortar joint 2-3mm, places the position (mortar joint of tension rib
The epithelial surface of hypodermis aerated blocks) open channels, Assurance of Size tension rib is wrapped up by mortar entirely；Want two-sided hanging wire when building a wall, do
To " upper with line, under with rib, left and right will be to flat ", every layer will threading level watching, metope will be at any time with plaster ground smoothing, to reduce table
Face depth of plastering；Upper and lower building block should not have straight joint；Mortar joint requires smooth vertical and horizontal, and mortar is full, and fragment of brick matte board polishes, will be floating
Ash continues to build by laying bricks or stones after cleaning out；
(3) mortar laying: by mechanical agitation uniformly, the mortar being stirred, no less than 3min, is transported to build by laying bricks or stones masonry mortar by the time of mixing
Place, with mix with, cement mixing mortar should be finished within 4H, when the construction period highest temperature is more than 30 DEG C, should be at 3H
Within use complete；Carrying out piecemeal paving ash with ash spoon before building position by laying bricks or stones, thickness is suitable, and slurry face is smooth；Should put immediately after paving slurry
Put aerated-block, and once ajust；Perps should fill up tamping and strike off, and can build the second skin by laying bricks or stones after the first skin building block mortar joint initial set
Building block；
(4) body of wall corner and in length and breadth body of wall junction build by laying bricks or stones simultaneously, the upper and lower skin-deep mutual fissure of displacement, inside and outside sting block overlap joint, masonry build extremely
During the non-monoblock in door-window opening limit, process the specification cutting into needs with the building block of same kind, at the bottom of Infill Wall with Aerated Concrete Block
Top, door-window opening limit that portion intersected with beam (plate) end are prefabricated section with prefabricated C20 pea gravel concreten brick, bottom and top layer, in
Between interval arrange；
(5) the in place and correction of building block: building block elder generation in place far after near, get on, get off, first outside and then inside, open at corner or location
Beginning, hang a skin and correct a skin, make building block bottom surface level fall, control drop-off positions time in place well, slowly fall, bracing wire controls to build
Body absolute altitude and surface smoothness, till hanging straight correction with cable inlet bracket；Hanging wire: two-sided hanging wire when building by laying bricks or stones, makes per capita if long wall is several
With same with line, centre sets multiple fulcrum, and little line to be strained, and threading level watching wanted by every layer of brick, and the level ash of making meets uniformity, straight
Clear and coherent；Laying bricks: to set level when laying bricks, Li Shougao, metope to be opened, and expert is low, and metope to be carried on the back, lay bricks will with line, " on line, under
With rib, left and right is adjacent will be to flat "；
(6) external and internal wall is built by laying bricks or stones simultaneously, builds height every day by laying bricks or stones less than 1.5m；The masonry end face finished building the same day places 1 skin aerating
The floating pressure of building block；15mm～20mm gap should be stayed, after finishing building 7d, to this seam PU foaming agent at the bottom of body of wall and raising-plate building by laying bricks or stones
Do handling flexibly；First in body of wall side with the glue rifle cementation of fissures, then at body of wall opposite side, squeegee with glue rifle, remove stream pendant in time；
(7) wall structure post and tension rib are arranged；
(8) filling wall external wall structure post is concrete-constituted pile, and it is 4 ф 12 that constructional column indulges muscle, stirrup Φ 6.5@200, constructional column
Vertical muscle uses resin anchoring agent anchorage inserted bar method, and vertical muscle is connected by cold overlap joint of tying up, and the lap of splice is 40d, concrete strength etc.
Level is C20；The body of wall on constructional column limit should stay horse tooth trough, horse tooth trough first step back into, each horse tooth trough is less than along short transverse
300mm, concavo-convex raft is not less than 60mm, and constructional column two edge short transverse arranges 2 φ 6.5 reinforcing bars every 50cm and makees connecting lacing wire,
Tension rib is not less than the 1/5 of wall length along wall length direction built-in length, and not less than 700mm, reinforcing bar end becomes 90 degree of crotches, first builds
Good wall, after-pouring constructional column concrete；Arrangement of reinforcement length is not less than 1/5 and 700 middle higher values of body of wall length, and arrangement of reinforcement is 2 Φ
6@500；Placing position (upper surface of the mortar joint hypodermis aerated blocks) fluting of tension rib, size should ensure that tension rib is entirely by mortar bag
Wrapping up in, mortar minimum thickness is 3mm；
Interior wall constructional column is steel column, squeezes ash closely knit around steel column, arranges ironware along the high every 500mm of post and connects, and ironware is with steel column not
Spot welding at less than 6；Reinforced column overall height arranges ironware drawknot spacing 500, and ironware is connected with main body by steel nail；Body of wall is high
Degree is more than 4m, and centre adds one collar tie beam；During outer-wall building, at drawknot at the bottom of wall applied on top ironware with beam, spacing is 1200；
(9) body of wall stays raft:
The corner of wall, junction entirety simultaneously is stung raft and is built by laying bricks or stones, when can not build by laying bricks or stones simultaneously, stays oblique raft, oblique raft to be no less than wall
Long 2/3, the most tiltedly raft floor projection is not less than masonry height；Stay raft part-block necessary straight along logical；Wall body is arranged temporarily
Construction hole, width of cave entrance is not more than 1000mm, and its side is from junction metope not less than 600mm, and top should arrange reinforcing bar
Concrete lintel, both sides, hole masonry should make convex raft；When interim discontinuities can not stay oblique raft, in addition to corner, stay straight raft, but
Straight raft must make convex raft；Staying straight Cha Chu should add steel tie, the quantity of steel tie is 2 ф 6.5 steel ties, spacing edge
Wall height is not to be exceeded 500mm, and embedment length is from staying Cha Chu to count every limit all not less than 1000mm, and end should have 90 degree of crotches；Connect
First should rinse well meeting Cha Chu during raft, water moistening, then paving ash connects block；
(10) body of wall stay set groove hole and Buried pipe meets the following requirements:
Should correctly reserve when building by laying bricks or stones by the position, groove hole in construction drawing and sectional dimension, must not open on aerated-block body of wall
Chisel level and oblique groove；
Putting vertical hidden pipe for burying, reserved vertical groove, trench cross section is preferably 60mm × 60mm, not should be greater than 120mm × 120mm；
After pipeline is installed, first the cement mortar at flute surfaces spary interfacial agents C15 pea gravel concreten or M10 is clogged closely knit, surface
Laying hot-dip galvanizing steel wire or alkali resistant glass fibre open weave cloth, its width should cross over notch, and every limit is stretched into length within the walls and is not less than 100mm,
And stickfast should be tightened；
(11), during the building wall of outside, building block outer goes out building 50mm, it is ensured that go out to be incubated finished surface concordant with concrete component；
(12) foot trick must not be stayed during building wall；Aerated-block body of wall and the connection of other spare and accessory parts, solid and reliable, use
Pre-buried steel part should eliminate rust, and once brushes red oil, and twice, built-in fitting must not be fixed on the aerated-block of small dimension antirust paint；
(13) Pluvial construction consistency of mortar should suitably reduce, and builds height every day by laying bricks or stones and is less than 1.2m, applies rainproof material when knocking off
Cover surface of newly building a wall；Rainy day should not build by laying bricks or stones；
(14) construction of reinforced concrete structural column, horizontal binder, capping beam and steel tie should meet " masonry project construction matter
The relevant regulations of amount acceptance specification GB50203；
(15) the local notch of body of wall, application specific mending mortar fills up, and the most handy other materials is clogged；Mending mortar can be by adding
The broken foam of gas building block and HB-423 are exclusively used in dry powder and mortar or other polymer mortars or other mortars addition glue is formulated；
(16) body of wall crack control measures
(17) sash is installed
Window frame should be fixed with the precast concrete block metal anchor bolt built into position, body of wall upper, middle and lower, both sides, hole. frame and body of wall
Between gap PU foaming agent fluid sealant and binding agent filling. window frame and lower portion windowsill, window frame and wall body node way:
Building block at doorframe and wall connecting should use the calibrated bolck of long 600mm. and the special tap bolt position of fixing doorframe exists
At the wall thickness i.e. center of this building block, or cannot be less than 50mm from metope horizontal range.
Claims (3)
1. self-heat conserving autoclaved lightweight sand aerated concrete block, it is characterised in that include the composition of following parts by weight: cement
100 parts, water 50-60 part, flyash 10-19 part, desulfurated plaster 20-25 part, nemalite 5-13 part, basalt fibre 11-
19 parts, molybdenum trioxide 9-14 part, aluminium powder 3-8 part, aluminium hydroxide 1-8 part, ethylene bis stearic acid amide 5-10 part, three stearic acid are sweet
Grease 3-8 part, tert-butyl acrylate 4-9 part, hydrogen peroxide 8-16 part.
2. the method for preparation self-heat conserving autoclaved lightweight sand aerated concrete block described in claim 1, it is characterised in that include
The following step:
A, the cement by described parts by weight, water, flyash, desulfurated plaster, nemalite, ethylene bis stearic acid amide add
Blender mix homogeneously；
B, by the basalt fibre of described parts by weight, silicon bath soil, molybdenum trioxide, glyceryl tristearate add blender mixing
Uniformly；
Mixture in c, aluminium powder by described parts by weight, aluminium hydroxide, tert-butyl acrylate, step a, is added sequentially to step
In mixture in rapid b, with 400-600 turn/speed of min stirs 30-40 minute；It is subsequently adding the dioxygen of described parts by weight
Water, with 500-800 turn/speed of min stirs 30-50 minute；After cast, keep 30 minutes at 80-90 DEG C, then room temperature bar
Maintenance 48 hours, stripping and slicing under part；
D, by quiet stop maintenance after base substrate put into steam-cured still and carry out steam press maintenance, at room temperature evacuation 0 minute, makes still kettle
Interior pressure is 0～-0.06MPa；Then 180 DEG C it are warmed up to, pressure 1.1MPa, it is incubated 5-7 hour, decrease temperature and pressure 3 hours so that
In still, pressure drops to 0MPa, has taken out the base substrate that steam pressure is supported, obtain air-entrained concrete building block in still.
3. self-heat conserving autoclaved lightweight sand aerated concrete block wall construction technique, it is characterised in that comprise the following steps:
(1) before building by laying bricks or stones, building block must not be watered moistening, carries out examination row by wall section actual quantities size and building block size, should accomplish during row's block
The up and down fissure of displacement, not enough monoblock be cut into required size with electric slicer, cannot be less than the 1/3 of stripping and slicing, use and be completely paved with squeezing
Build by laying bricks or stones, the upper and lower skin-deep mutual fissure of displacement, inside and outside take block, the building block lap of splice is the 1/3 of building block length, and not less than 150mm；If building block
Length≤300mm, its lap of splice is no less than the 1/2 of block length；If can not meet, horizontal mortar joint should arrange 2 φ 6.5
Reinforcing bar or φ 4 reinforced mesh are strengthened, and reinforcement length is no less than 500mm；Bottom the partition wall that toilet is adjacent with other room
Should pour and be not less than 200 high pea gravel concretens；
(2) building block uses all-cis masonry method, and mortar joint should be smooth vertical and horizontal, and mortar is full, wants first mortar laying, first floor paving 1:3 before building by laying bricks or stones
Cement mortar thickness is not less than 20mm, more than builds by laying bricks or stones for specialty masonry mortar；Mortar joint 2-3mm, places the position (mortar joint of tension rib
The epithelial surface of hypodermis aerated blocks) open channels, Assurance of Size tension rib is wrapped up by mortar entirely；Want two-sided hanging wire when building a wall, do
To " upper with line, under with rib, left and right will be to flat ", every layer will threading level watching, metope will be at any time with plaster ground smoothing, to reduce table
Face depth of plastering；Upper and lower building block should not have straight joint；Mortar joint requires smooth vertical and horizontal, and mortar is full, and fragment of brick matte board polishes, will be floating
Ash continues to build by laying bricks or stones after cleaning out；
(3) mortar laying: by mechanical agitation uniformly, the mortar being stirred, no less than 3min, is transported to build by laying bricks or stones masonry mortar by the time of mixing
Place, with mix with, cement mixing mortar should be finished within 4H, when the construction period highest temperature is more than 30 DEG C, should be at 3H
Within use complete；Carrying out piecemeal paving ash with ash spoon before building position by laying bricks or stones, thickness is suitable, and slurry face is smooth；Should put immediately after paving slurry
Put aerated-block, and once ajust；Perps should fill up tamping and strike off, and can build the second skin by laying bricks or stones after the first skin building block mortar joint initial set
Building block；
(4) body of wall corner and in length and breadth body of wall junction build by laying bricks or stones simultaneously, the upper and lower skin-deep mutual fissure of displacement, inside and outside sting block overlap joint, masonry build extremely
During the non-monoblock in door-window opening limit, process the specification cutting into needs with the building block of same kind, at the bottom of Infill Wall with Aerated Concrete Block
Top, door-window opening limit that portion intersected with beam (plate) end are prefabricated section with prefabricated C20 pea gravel concreten brick, bottom and top layer, in
Between interval arrange；
(5) the in place and correction of building block: building block elder generation in place far after near, get on, get off, first outside and then inside, open at corner or location
Beginning, hang a skin and correct a skin, make building block bottom surface level fall, control drop-off positions time in place well, slowly fall, bracing wire controls to build
Body absolute altitude and surface smoothness, till hanging straight correction with cable inlet bracket；Hanging wire: two-sided hanging wire when building by laying bricks or stones, makes per capita if long wall is several
With same with line, centre sets multiple fulcrum, and little line to be strained, and threading level watching wanted by every layer of brick, and the level ash of making meets uniformity, straight
Clear and coherent；Laying bricks: to set level when laying bricks, Li Shougao, metope to be opened, and expert is low, and metope to be carried on the back, lay bricks will with line, " on line, under
With rib, left and right is adjacent will be to flat "；
(6) external and internal wall is built by laying bricks or stones simultaneously, builds height every day by laying bricks or stones less than 1.5m；The masonry end face finished building the same day places 1 skin aerating
The floating pressure of building block；15mm～20mm gap should be stayed, after finishing building 7d, to this seam PU foaming agent at the bottom of body of wall and raising-plate building by laying bricks or stones
Do handling flexibly；First in body of wall side with the glue rifle cementation of fissures, then at body of wall opposite side, squeegee with glue rifle, remove stream pendant in time；
(7) wall structure post and tension rib are arranged；
(8) filling wall external wall structure post is concrete-constituted pile, and it is 4 ф 12 that constructional column indulges muscle, stirrup Φ 6.5@200, constructional column
Vertical muscle uses resin anchoring agent anchorage inserted bar method, and vertical muscle is connected by cold overlap joint of tying up, and the lap of splice is 40d, concrete strength etc.
Level is C20；The body of wall on constructional column limit should stay horse tooth trough, horse tooth trough first step back into, each horse tooth trough is less than along short transverse
300mm, concavo-convex raft is not less than 60mm, and constructional column two edge short transverse arranges 2 φ 6.5 reinforcing bars every 50cm and makees connecting lacing wire,
Tension rib is not less than the 1/5 of wall length along wall length direction built-in length, and not less than 700mm, reinforcing bar end becomes 90 degree of crotches, first builds
Good wall, after-pouring constructional column concrete；Arrangement of reinforcement length is not less than 1/5 and 700 middle higher values of body of wall length, and arrangement of reinforcement is 2 Φ
6@500；Placing position (upper surface of the mortar joint hypodermis aerated blocks) fluting of tension rib, size should ensure that tension rib is entirely by mortar bag
Wrapping up in, mortar minimum thickness is 3mm；
Interior wall constructional column is steel column, squeezes ash closely knit around steel column, arranges ironware along the high every 500mm of post and connects, and ironware is with steel column not
Spot welding at less than 6；Reinforced column overall height arranges ironware drawknot spacing 500, and ironware is connected with main body by steel nail；Body of wall is high
Degree is more than 4m, and centre adds one collar tie beam；During outer-wall building, at drawknot at the bottom of wall applied on top ironware with beam, spacing is 1200；
(9) body of wall stays raft:
The corner of wall, junction entirety simultaneously is stung raft and is built by laying bricks or stones, when can not build by laying bricks or stones simultaneously, stays oblique raft, oblique raft to be no less than wall
Long 2/3, the most tiltedly raft floor projection is not less than masonry height；Stay raft part-block necessary straight along logical；Wall body is arranged temporarily
Construction hole, width of cave entrance is not more than 1000mm, and its side is from junction metope not less than 600mm, and top should arrange reinforcing bar
Concrete lintel, both sides, hole masonry should make convex raft；When interim discontinuities can not stay oblique raft, in addition to corner, stay straight raft, but
Straight raft must make convex raft；Staying straight Cha Chu should add steel tie, the quantity of steel tie is 2 ф 6.5 steel ties, spacing edge
Wall height is not to be exceeded 500mm, and embedment length is from staying Cha Chu to count every limit all not less than 1000mm, and end should have 90 degree of crotches；Connect
First should rinse well meeting Cha Chu during raft, water moistening, then paving ash connects block；
(10) body of wall stay set groove hole and Buried pipe meets the following requirements:
Should correctly reserve when building by laying bricks or stones by the position, groove hole in construction drawing and sectional dimension, must not open on aerated-block body of wall
Chisel level and oblique groove；
Putting vertical hidden pipe for burying, reserved vertical groove, trench cross section is preferably 60mm × 60mm, not should be greater than 120mm × 120mm；
After pipeline is installed, first the cement mortar at flute surfaces spary interfacial agents C15 pea gravel concreten or M10 is clogged closely knit, surface
Laying hot-dip galvanizing steel wire or alkali resistant glass fibre open weave cloth, its width should cross over notch, and every limit is stretched into length within the walls and is not less than 100mm,
And stickfast should be tightened；
(11), during the building wall of outside, building block outer goes out building 50mm, it is ensured that go out to be incubated finished surface concordant with concrete component；
(12) foot trick must not be stayed during building wall；Aerated-block body of wall and the connection of other spare and accessory parts, solid and reliable, use
Pre-buried steel part should eliminate rust, and once brushes red oil, and twice, built-in fitting must not be fixed on the aerated-block of small dimension antirust paint；
(13) Pluvial construction consistency of mortar should suitably reduce, and builds height every day by laying bricks or stones and is less than 1.2m, applies rainproof material when knocking off
Cover surface of newly building a wall；Rainy day should not build by laying bricks or stones；
(14) construction of reinforced concrete structural column, horizontal binder, capping beam and steel tie should meet " masonry project construction matter
The relevant regulations of amount acceptance specification GB50203；
(15) the local notch of body of wall, application specific mending mortar fills up, and the most handy other materials is clogged；Mending mortar can be by adding
The broken foam of gas building block and HB-423 are exclusively used in dry powder and mortar or other polymer mortars or other mortars addition glue is formulated；
(16) body of wall crack control measures
(17) sash is installed
Window frame should be fixed with the precast concrete block metal anchor bolt built into position, body of wall upper, middle and lower, both sides, hole, frame and body of wall
Between gap PU foaming agent fluid sealant and binding agent filling；Window frame and lower portion windowsill, window frame and wall body node way:
Building block at doorframe and wall connecting should use the calibrated bolck of long 600mm, the special tap bolt position of fixing doorframe to exist
At the wall thickness i.e. center of this building block, or cannot be less than 50mm from metope horizontal range.
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| CN106836551A (en) * | 2017-01-02 | 2017-06-13 | 浙江泛华工程监理有限公司 | Infill Wall with Aerated Concrete Block construction method |
| CN109162463A (en) * | 2018-10-23 | 2019-01-08 | 宁夏众信耐火材料有限公司 | A kind of gangue firebrick structure construction technology |
| CN111485668A (en) * | 2019-01-29 | 2020-08-04 | 河南天久装配式建筑有限公司 | Novel light sandwich concrete masonry structure and construction method |
| CN111636589A (en) * | 2020-05-26 | 2020-09-08 | 上海宝冶集团有限公司 | Exterior wall clay brick and construction method of sandwich heat-insulating wall |
| CN111719869A (en) * | 2020-06-29 | 2020-09-29 | 中能建西北城市建设有限公司 | Masonry engineering construction process |
| CN111749475A (en) * | 2020-07-17 | 2020-10-09 | 中铁二十二局集团第五工程有限公司 | Autoclaved fly ash brick masonry arrangement method and masonry arrangement system |
| CN111848207A (en) * | 2020-07-23 | 2020-10-30 | 湖州巨旺墙体材料有限公司 | Nano-material modified heat-insulation building block suitable for low-temperature environment |
| CN112411802A (en) * | 2020-09-29 | 2021-02-26 | 浙江省东阳第三建筑工程有限公司 | Construction method for building block masonry partition wall with large-aperture light aggregate hollow embedded lock |
| CN112627390A (en) * | 2020-12-16 | 2021-04-09 | 文昭 | Aerated concrete block wall structure |
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| CN106836551A (en) * | 2017-01-02 | 2017-06-13 | 浙江泛华工程监理有限公司 | Infill Wall with Aerated Concrete Block construction method |
| CN109162463A (en) * | 2018-10-23 | 2019-01-08 | 宁夏众信耐火材料有限公司 | A kind of gangue firebrick structure construction technology |
| CN111485668A (en) * | 2019-01-29 | 2020-08-04 | 河南天久装配式建筑有限公司 | Novel light sandwich concrete masonry structure and construction method |
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| CN111749475A (en) * | 2020-07-17 | 2020-10-09 | 中铁二十二局集团第五工程有限公司 | Autoclaved fly ash brick masonry arrangement method and masonry arrangement system |
| CN111848207A (en) * | 2020-07-23 | 2020-10-30 | 湖州巨旺墙体材料有限公司 | Nano-material modified heat-insulation building block suitable for low-temperature environment |
| CN112411802A (en) * | 2020-09-29 | 2021-02-26 | 浙江省东阳第三建筑工程有限公司 | Construction method for building block masonry partition wall with large-aperture light aggregate hollow embedded lock |
| CN112627390A (en) * | 2020-12-16 | 2021-04-09 | 文昭 | Aerated concrete block wall structure |
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