CN106759975B - A kind of construction method of EPS wall thermal insulation structure - Google Patents

A kind of construction method of EPS wall thermal insulation structure Download PDF

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CN106759975B
CN106759975B CN201611102229.1A CN201611102229A CN106759975B CN 106759975 B CN106759975 B CN 106759975B CN 201611102229 A CN201611102229 A CN 201611102229A CN 106759975 B CN106759975 B CN 106759975B
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wall
layer
mortar
eps
cement
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CN106759975A (en
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李军伟
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Qingdao Tian Yuan Great Achievement Thermal-Insulating Waterproof Engineering Co Ltd
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Qingdao Tian Yuan Great Achievement Thermal-Insulating Waterproof Engineering Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/762Exterior insulation of exterior walls
    • E04B1/7629Details of the mechanical connection of the insulation to the wall
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/02Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Finishing Walls (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

The invention belongs to technical field of external wall heat preservation, it is related to a kind of construction method of wall thermal insulation structure, especially a kind of construction method of EPS wall thermal insulation structure, occasion is kept the temperature for building masonry wall, it is easy to damage to solve wall insulation system, cracking, insulating layer adhesive strength is inadequate, it is easy to fall off, the problem of heat insulation effect difference, it realizes the raising of its comprehensive performance and collects environmental protection, it is self-cleaning, heat preservation, function for expelling pests is in one, base course wall pre-processes and determines reference line first, then match mortar levelling, viscous EPS sheet is spread with adhesive, expansion anchor is beaten on EPS sheet, and smear cracking resistance rubber cement, after repaving patch grid cloth, smear finishing mucilage, then spot putting, finally brushing exterior coating, complete construction, its principle is reliable, it is easy to operate, it is at low cost, heat insulation effect is good, application environment is friendly, long service life, have Good economic benefit and market prospects.

Description

A kind of construction method of EPS wall thermal insulation structure
Technical field:
The invention belongs to technical field of external wall heat preservation, are related to a kind of construction method of wall thermal insulation structure, especially a kind of The construction method of EPS wall thermal insulation structure keeps the temperature occasion for building masonry wall.
Background technique:
Currently, in building field energy-saving wall heat preservation technology, there are mainly three types of forms: external walls heating insulation, heat insulating inner wall skill Art and inside and outside mixing heat preservation technology, and the heat insulation effect of external walls heating insulation is the most prominent, it has also become the main building energy conservation in China Wall thermal insulation technology form.External walls heating insulation refers to that entire energy-saving and heat-insulating material is covered in the outside of wall, prevents in summer Outdoor solar light irradiation causes room temperature to increase, and winter prevents indoor heat to be lost to outdoor, to ensure the heating of winter heating The cooling effect of effect and cooling in summer equipment improves energy utilization rate, not only heat insulation effect is bright to reduce energy consumption The interior space is shown and be not take up, design building shape is convenient for, saves materials for wall, saves amount of reinforcement, building cost is reduced, mentions High usable area per dweller.The thermal insulation material of outer layer covering can buffer the bad weathers such as sleet, frost, drying caused by metope Injury, decreases toxic gas corrosiveness caused by metope in air, if thermal insulation material selection is appropriate, can mention The service life of high metope reduces front cracking, improves wall performance.EPS is the abbreviation of expandable polystyrene plate, also known as benzene plate, It is a kind of thermoplastic material, after foamable, every cubic meter volume contains ten thousand independent closed bubbles of 300-600, interior Aeriferous volume be 98% or more, due to the heat conductivity very little of air, and be closed in foamed plastics again and cannot be right Stream, so EPS is a kind of material that heat preservation and insulation is very good.
In the prior art, Chinese patent CN205557870U discloses a kind of wall thermal insulation structure, including finish coat, heat preservation Layer, insulating layer are arranged between finish coat and wall, and the insulating layer is expanded polystyrene foams plate, the expansion polyphenyl second Alkene cystosepiment is connected on wall by bonding mortar, and anticracking grout, cracking resistance are coated on the expanded polystyrene foams plate Water proof putty is coated on mortar, the finish coat is arranged between water proof putty outer layer, the water proof putty and anticracking grout It is provided with grid cloth, the grid cloth is alkali proof fiber grid cloth, and wall insulation system is easy to damage, cracks, and insulating layer exists Adhesive strength is not easy to fall off enough, and the problem of heat insulation effect difference, it is compound that Chinese patent CN204551792U discloses a kind of external thermal insulation Energy-saving wall, the external thermal insulation composite energy-saving wall include load bearing wall main body, and the inside in load bearing wall main body is equipped with interior facing, It is described to be successively arranged mortar bonding layer, polystyrene foam plate, adhesive mortar surface layer on the outside of weighing wall main body, it is viscous to improve The intensity for tying mortar surface layer, is equipped with glass fiber mesh sheet in adhesive mortar surface layer, and wall equally exists easy to damage, cracking, protects Warm layer adhesive strength is not easy to fall off enough, the problem of heat insulation effect difference.
Summary of the invention:
It is an object of the invention to overcome disadvantage of the existing technology, seek to design a kind of EPS wall thermal insulation structure Construction method, solution wall insulation system is easy to damage, cracks, and insulating layer adhesive strength is inadequate, easy to fall off, the difficulty of heat insulation effect difference Topic realizes the raising of its comprehensive performance and integrates environmentally friendly, self-cleaning, heat preservation, function for expelling pests.
To achieve the goals above, the specific steps of the construction method of EPS wall thermal insulation structure of the present invention are as follows:
(1) base course wall pre-processes: first cleaning out floating ash remaining on base course wall and sundries before construction, then It repairs and plug-hole, first soaks porthole inner surface with wet cloth when plug-hole, then by waterproof cement, middle sand and water be by weight 1:3: 0.6 mixing, is then added 4% swelling agent of waterproof cement weight, cement mortar is made after being mixed evenly, then from wall Internal side plug-hole, in hole filling concrete mortar with a thickness of 15-25mm, solidified after standing 10-15 minutes to cement mortar in hole, Again again after mixing evenly by the cement mortar, after then filling up cement mortar out of wall outer side plug-hole, hole, finally by wall Body surface face smoothes out, is compacted and catches up with light, and curing time 1-3 days;
(2) it determines reference line: then taking cable inlet bracket and square chi determines the vertical squareness at each yin-yang angle, marked in metope Range and thickness are repaired, and pops up the upright controling line at each big angle, with guiding ruler, cable inlet bracket or draws small line determining and marks major face The vertical flatness of wall, and screed-coat mortar is calculated according to repairing range and thickness;
(3) match leveling mortar: then by the dosage stock of step (2) measuring and calculating, by organosilicon-modified acrylate, No. 425 Sulphate aluminium cement, middle sand and water are 1:1.88:3.25:2 proportion by weight, and it is spare that screed-coat mortar is made;
(4) with mortar levelling: and then levelling, the covering smearing step on base course wall is carried out with mortar prepared by step (3) Suddenly mortar 2-3 times of (3) preparation, first pass is with a thickness of 5-10mm and is compacted, and progress surface of wall is levelling when smearing last time, Construction interval 24-48 hours every time, the overall thickness of mortar levelling layer are 10-20mm;
(5) match adhesive: then preparing using solvent polyurethane resin as first component, it is different with trimethylolpropane and toluene two Cyanate addition product is the dual-component polyurethane adhesive of second component, by component A and second component is in mass ratio 5:1 when use After mixing, 5 minutes are stood after mixing evenly with hand electric blender;
(6) it pastes EPS sheet: and then the dual-component polyurethane adhesive that step (5) configure being applied to EPS sheet, and by EPS In plate paving to mortar levelling layer, the layup sequence of EPS sheet is horizontal cross and vertically mistake from bottom to top since exterior wall external corner Paving is stitched, external corner two sides EPS sheet staggeredly splices, wherein cloth glue mode of the dual-component polyurethane adhesive on EPS sheet uses point Viscous, frame point sticky or item it is viscous in any one;The dual-component polyurethane adhesive forms adhesive layer, and the EPS sheet forms EPS sheet Layer;
(7) EPS sheet is polished: when splicing seams spacing is greater than 2mm between adjacent EPS sheet in step (6), EPS sheet being cut At being filled in splicing seams after required shape point buttering, EPS sheet is tapped with rubber hammer and is adjusted and polishes corner angle, and is clear in time The mortar squeezed out except seam crossing;
(8) it beats expansion anchor: then anchoring the EPS sheet that step (6) and step (7) paving finish with expansion anchor, often The anchoring sequence of block EPS sheet is first to anchor surrounding, and rear anchoring middle part, adjacent expansion anchor spacing, back gauge are 50-100mm,
Each expansion anchor passes through EPS sheet and reaches mortar levelling layer, and all expansion anchors constitute expansible anchor pinned layer;
(9) cracking resistance rubber cement is smeared: and then cracking resistance rubber cement is prepared, the composition by weight of each raw material is antimitotic agent 5- in cracking resistance rubber cement 10 parts, sand 15-30 parts middle, 20-25 parts of pine tree glue and 5-10 parts of cement, first take each raw material according to the ratio, then by antimitotic agent, Pine tree glue and middle sand are mixed evenly, then cement is divided into several aliquots, every 3 minutes 1 aliquots of addition and continue to stir, Until cement all adds, finally pour into mortar mixer or hand mixer, discharge after mixing evenly, cracking resistance glue is made Slurry;Covering smears the cracking resistance rubber cement 2-3 all over cracking resistance mucilage layer is formed on EPS layers and expansible anchor pinned layer, smears interval every time Time 24-48 hour, cracking resistance mucilage layer overall thickness are 4-5mm;The preparation method of the pine tree glue is that selection can be certainly first So pine tree that secretion pine tree glue and the age of tree are 2 years or more then cuts with inverted triangle mouth at tree trunk or crotch, erects at the top of estuary It is straight downward, the pine tree glue for receiving the thick pale yellow shape that container is used to collect incision secretion is equipped in estuary lowest point Body receives and fills the volume of ethanol water and ethanol water that weight percent concentration is 40%-95% in container and account for and connect The 1/2 of receptacle volume after receiving three to five days or receives until container fills with, then by the loose gum fluid collected in container with After ethanol water is mixed evenly, it is spare that pine tree glue is made in sealed package;Or it directly collects and condenses in pine tree epidermis The granular loose glue solid of light yellow clear, be subsequently placed into mulberry ash soup and impregnate, taken out after 12 hours, then use secondary distilled water Cleaning 3-5 all over and be dried, being then comminuted into partial size is 100-420 μm of particle, finally by pine tree glue particle, distilled water and The ethanol water that weight percent concentration is 40%-95% is sealed package system after 3:1:1 is mixed evenly by weight It is spare to obtain pine tree glue;Wherein, the liquid that mulberry ash soup incinerates again plus after the water hybrid filtering of 10 times of weight for dry mulberry leaf;
(10) paving grid cloth: then paving fiberglass gridding cloth forms scrim layer on cracking resistance mucilage layer;First cut out Fiberglass gridding cloth is cut, i.e., cuts mesh sheet from entire volume fiberglass gridding cloth by required length and width, every is stayed The lap of splice of 20-50mm out;Then paving window hole quadrangle, window hole quadrangle along 45 degree of directions increase one of 200mm of patch × The fiberglass gridding cloth of 300mm;Smooth paving large area wall again, the flexure plane direction of fiberglass gridding cloth when paving Wall, with steel smear from centre be bulldozed around and make fiberglass gridding cloth insertion mortar in 0.5-1mm, fiberglass gridding cloth it Between lap width be 30-50mm;Then pressure is rubbed with the hands at overlap joint exterior wall yin-yang angle, lap width 20cm, the glass of wall two sides Fibrous mesh cloth will respectively climb over yin-yang angle 10cm, to guarantee not crack at outside corner of wall, last paving door-window opening, and door and window hole The lap width of mouth is the lap of splice that 50cm and fiberglass gridding cloth bypass reserved >=100mm after windowsill;
(11) smear finishing mucilage: covering is coated with finishing mucilage and forms finishing mucilage layer in glass chopped strand mat layer, smears Face rubber cement is identical as cracking resistance rubber cement material, and when smearing ensures the verticality at the flatness and yin-yang angle of wall, and finishing mucilage is full Full scale is 100%;
(12) spot putting: then covering is coated with flexible waterproof putty and forms putty layer on finishing mucilage layer, when smearing Putty layer is struck off with darby;
(13) brushing exterior coating: finally 3 times exterior coatings of uniform fold brushing in putty layer, each surface of wall are dry It after thoroughly, then brushes next time, brushes for 3 times and to finish and after exterior wall surface parches, complete the construction of EPS insulation construction.
The EPS wall thermal insulation structure that the construction method of EPS wall thermal insulation structure of the present invention is mated formation is from the inside to the outside Successively include base course wall, mortar levelling layer, insulating layer, anti-cracking protective layer and finish coat, the insulating layer include adhesive layer and EPS layers, the anti-cracking protective layer includes expansible anchor pinned layer, cracking resistance mucilage layer, scrim layer and finishing mucilage layer, the finish coat Include putty layer and exterior coating layer;Base course wall is connected with mortar levelling layer, and mortar levelling layer passes through adhesive layer and insulating layer It is connected, insulating layer is connected by expansible anchor pinned layer with anti-cracking protective layer, and anti-cracking protective layer passes through finishing mucilage layer and finish coat phase Even;Covering is coated with leveling mortar and forms mortar levelling layer on the base course wall, and covering is coated with double groups on the mortar levelling layer Point adhesive for polyurethane forms adhesive layer, and paving EPS sheet forms EPS layers on adhesive layer, it is EPS layers described on be fixedly installed with poly- second Alkene plastics expansion anchor forms expansible anchor pinned layer, and covering is coated with cracking resistance rubber cement and is formed in the expansible anchor pinned layer and the EPS layer Anti-cracking protective layer, paving alkali-proof glass screen grid cloth forms scrim layer on the anti-cracking protective layer, covers on the scrim layer Lid is coated with finishing mucilage and forms finishing mucilage layer, and covering is coated with two-component flexible waterproof putty and forms putty on the finishing mucilage Layer, the putty layer covers outside is coated with exterior coating formation exterior coating layer, wherein finishing mucilage layer and cracking resistance mucilage layer material It is identical.
Alkali-proof glass screen grid cloth of the present invention replaces with steel wire.
The composition by weight of each raw material is organosilicon-modified acrylate 80-100 parts, nanometer titanium dioxide in the exterior coating 5-10 parts of silicon, 20-25 parts of clay powder, 20-25 parts of Chinese parasol tree tree powder, 10-15 parts of land plaster, 20-25 parts of pine tree glue and weight hundred Dividing specific concentration is 5-10 parts of ethanol water of 40%-95%.
The specific step of preparation process of the exterior coating are as follows:
(1) prepare pine tree glue: choose first can naturally secret pine tree glue and the age of tree be 2 years or more pine tree, then Inverted triangle mouth is cut at tree trunk or crotch, estuary top vertical is downward, is equipped with reception container in estuary lowest point and is used for The loose gum fluid for collecting the thick pale yellow shape of incision secretion, receiving and filling weight percent concentration in container is 40%- 95% ethanol water and the volume of ethanol water, which account for, receives the 1/2 of vessel volume, and after receiving three to five days or reception is held Until device fills with, then after the loose gum fluid collected in container and ethanol water are mixed evenly, sealed package is made Pine tree glue is spare;Or the granular loose glue solid of light yellow clear for condensing in pine tree epidermis is directly collected, it is subsequently placed into It impregnates in mulberry ash soup, is taken out after 12 hours, then clean 3-5 times with secondary distilled water and be dried, being then comminuted into partial size is 100-420 μm of particle, it is finally that pine tree glue particle, distilled water and weight percent concentration is water-soluble for the ethyl alcohol of 40%-95% Liquid is after 3:1:1 is mixed evenly by weight, and it is spare that pine tree glue is made in sealed package;Wherein, mulberry ash soup is dry mulberry leaf Incinerate again plus 10 times of weight water hybrid filtering after liquid;
(2) it prepares Chinese parasol tree tree powder: then choosing trunk, branch and the bark of the Chinese parasol tree tree that the age of tree is 2 years or more, go to clean After matter, 3-5 times being cleaned with secondary distilled water and is dried, then machining is ground into particle, and taking partial size is 20-74 μm Particle is spare;
(3) mixed raw material: 5-10 parts of nano silica, 20-25 parts of clay part, 20-25 parts of Chinese parasol tree tree powder, stone are weighed again 10-15 parts of cream powder and 20-25 part of pine tree glue, each raw material is added in high speed disintegrator, and setting revolving speed is 2000-3500 turns/ Minute, mixing time is 10-15 minutes, obtains mixed slurry after mixing evenly;Wherein, clay powder and land plaster select the partial size to be 20-74 μm of particle;
(4) it grinds: and then mixed slurry made from step (3) is put into grinder, setting revolving speed is 1500-2000 Rev/min, milling time is 10-15 minutes, and mixed slurry is ground into the slurries that fineness of dispersion is≤15 microns;
(5) prepared by product: finally slurries prepared by step (4) being put into blender, organosilicon-modified acrylic is added After 80-100 parts of ester, setting revolving speed be 800 revs/min, mixing time be 3-5 minutes, be put into homogenizer after mixing evenly into Row homogeneous, sealed package obtain product, realize the preparation of environment protecting thermal insulating insect-repelling paint.
Compared with prior art, the present invention its principle is reliable, easy to operate, at low cost, heat insulation effect is good, application environment friend It is good, long service life, with good economic efficiency and market prospects.
Detailed description of the invention:
The knot for the EPS wall thermal insulation structure that Fig. 1 is mated formation by the construction method of EPS wall thermal insulation structure of the present invention Fruit schematic illustration, wherein base course wall 1, mortar levelling layer 2, insulating layer 3, anti-cracking protective layer 4 and finish coat 5, insulating layer 3 Including adhesive layer 31 and EPS layer 32, anti-cracking protective layer 4 includes expansible anchor pinned layer 41, cracking resistance mucilage layer 42, scrim layer 43 and smears Face mucilage layer 44, finish coat 5 include putty layer 51 and exterior coating layer 52.
Fig. 2 is the specific process step flow chart of the construction method of EPS wall thermal insulation structure of the present invention.
Specific embodiment:
The present invention will be further described by way of example and in conjunction with the accompanying drawings.
Embodiment 1:
The specific steps of the construction method for the EPS wall thermal insulation structure that the present embodiment is related to are as follows:
(1) base course wall 1 pre-processes: first cleaning out floating ash remaining on base course wall and sundries before construction, connects Repairing and plug-hole, first soak porthole inner surface with wet cloth when plug-hole, then by waterproof cement, middle sand and water be by weight 1:3: 0.6 mixing, is then added 4% swelling agent of waterproof cement weight, cement mortar is made after being mixed evenly, then from wall Internal side plug-hole, in hole filling concrete mortar with a thickness of 15-25mm, solidified after standing 10-15 minutes to cement mortar in hole, Again again after mixing evenly by the cement mortar, after then filling up cement mortar out of wall outer side plug-hole, hole, finally by wall Body surface face smoothes out, is compacted and catches up with light, and curing time 1-3 days;
(2) it determines reference line: then taking cable inlet bracket and square chi determines the vertical squareness at each yin-yang angle, marked in metope Range and thickness are repaired, and pops up the upright controling line at each big angle, with guiding ruler, cable inlet bracket or draws small line determining and marks major face The vertical flatness of wall, and screed-coat mortar is calculated according to repairing range and thickness;
(3) match leveling mortar: then by the dosage stock of step (2) measuring and calculating, by organosilicon-modified acrylate, No. 425 Sulphate aluminium cement, middle sand and water are 1:1.88:3.25:2 proportion by weight, and it is spare that screed-coat mortar is made;
(4) with mortar levelling: and then levelling, the covering smearing step on base course wall 1 is carried out with mortar prepared by step (3) Suddenly mortar 2-3 times of (3) preparation, first pass is with a thickness of 5-10mm and is compacted, and progress surface of wall is levelling when smearing last time, Construction interval 24-48 hours every time, the overall thickness of mortar levelling layer 2 are 10-20mm;
(5) match adhesive: then preparing using solvent polyurethane resin as first component, it is different with trimethylolpropane and toluene two Cyanate addition product is the dual-component polyurethane adhesive of second component, by component A and second component is in mass ratio 5:1 when use After mixing, 5 minutes are stood after mixing evenly with hand electric blender;
(6) it pastes EPS sheet: and then the dual-component polyurethane adhesive that step (5) configure being applied to EPS sheet, and by EPS In plate paving to mortar levelling layer 2, the layup sequence of EPS sheet is the horizontal cross and vertical from bottom to top since exterior wall external corner Fissure of displacement paving, external corner two sides EPS sheet staggeredly splice, wherein cloth glue mode of the dual-component polyurethane adhesive on EPS sheet uses Any one during point sticky, frame point sticky or item are viscous;The dual-component polyurethane adhesive forms adhesive layer 31, and the EPS sheet is formed EPS layer 32;
(7) EPS sheet is polished: when splicing seams spacing is greater than 2mm between adjacent EPS sheet in step (6), EPS sheet being cut At being filled in splicing seams after required shape point buttering, EPS sheet is tapped with rubber hammer and is adjusted and polishes corner angle, and is clear in time The mortar squeezed out except seam crossing;
(8) it beats expansion anchor: then anchoring the EPS sheet that step (6) and step (7) paving finish with expansion anchor, often The anchoring sequence of block EPS sheet is first to anchor surrounding, and rear anchoring middle part, adjacent expansion anchor spacing, back gauge are 50-100mm, often A expansion anchor passes through EPS sheet and reaches mortar levelling layer 2, and all expansion anchors constitute expansible anchor pinned layer 41;
(9) cracking resistance rubber cement is smeared: and then cracking resistance rubber cement is prepared, the composition by weight of each raw material is antimitotic agent 5- in cracking resistance rubber cement 10 parts, sand 15-30 parts middle, 20-25 parts of pine tree glue and 5-10 parts of cement, first take each raw material according to the ratio, then by antimitotic agent, Pine tree glue and middle sand are mixed evenly, then cement is divided into several aliquots, every 3 minutes 1 aliquots of addition and continue to stir, Until cement all adds, finally pour into mortar mixer or hand mixer, discharge after mixing evenly, cracking resistance glue is made Slurry;Covering smears the cracking resistance rubber cement 2-3 all over cracking resistance mucilage layer 42 is formed on EPS layer 32 and expansible anchor pinned layer 41, applies every time It smears interval time 24-48 hour, 42 overall thickness of cracking resistance mucilage layer is 4-5mm;
(10) paving grid cloth: then paving fiberglass gridding cloth forms scrim layer 43 on cracking resistance mucilage layer 42; Fiberglass gridding cloth is first cut, i.e., cuts mesh sheet from entire volume fiberglass gridding cloth by required length and width, often Piece reserves the lap of splice of 20-50mm;Then paving window hole quadrangle increases patch together along 45 degree of directions in window hole quadrangle The fiberglass gridding cloth of 200mm × 300mm;Smooth paving large area wall again, the bending of fiberglass gridding cloth when paving Facing towards wall, is smeared with steel and be bulldozed around from centre and make 0.5-1mm in fiberglass gridding cloth insertion mortar, glass fiber mesh Lap width between lattice cloth is 30-50mm;Then pressure is rubbed with the hands at overlap joint exterior wall yin-yang angle, lap width 20cm, wall two sides Fiberglass gridding cloth respectively to climb over yin-yang angle 10cm, to guarantee not crack at outside corner of wall, last paving door-window opening, The lap width of door-window opening is the lap of splice that 50cm and fiberglass gridding cloth bypass reserved >=100mm after windowsill;
(11) smear finishing mucilage: covering is coated with finishing mucilage and forms finishing mucilage layer in glass chopped strand mat layer 43 44, finishing mucilage is identical as cracking resistance rubber cement material, and when smearing ensures the verticality at the flatness and yin-yang angle of wall, glue of plastering Starching plumpness is 100%;
(12) spot putting: then covering is coated with flexible waterproof putty and forms putty layer 51 on finishing mucilage layer 44, applies Putty layer 51 is struck off with darby when smearing;
(13) brushing exterior coating: finally 3 times exterior coatings of uniform fold brushing, each surface of wall in putty layer 51 It after parching, then brushes next time, brushes for 3 times and to finish and after exterior wall surface parches, complete the construction of EPS insulation construction.
The EPS wall thermal insulation structure that the construction method for the EPS wall thermal insulation structure that the present embodiment is related to is mated formation is certainly interior extremely It outside successively include base course wall 1, mortar levelling layer 2, insulating layer 3, anti-cracking protective layer 4 and finish coat 5, the insulating layer 3 includes Adhesive layer 31 and EPS layer 32, the anti-cracking protective layer 4 include expansible anchor pinned layer 41, cracking resistance mucilage layer 42, scrim layer 43 and smear Face mucilage layer 44, the finish coat 5 include putty layer 51 and exterior coating layer 52;Base course wall 1 is connected with mortar levelling layer 2, Mortar levelling layer 2 is connected by adhesive layer 31 with insulating layer 3, and insulating layer 3 passes through expansible anchor pinned layer 41 and 4 phase of anti-cracking protective layer Even, anti-cracking protective layer 4 is connected by finishing mucilage layer 44 with finish coat 5;Covering is coated with leveling mortar shape on the base course wall 1 At mortar levelling layer 2, covering is coated with dual-component polyurethane adhesive and forms adhesive layer 31, adhesive layer on the mortar levelling layer 2 Paving EPS sheet forms EPS layer 32 on 31, and vinyon expansion anchor is fixedly installed on the EPS layer 32 and forms expansible anchor Covering is coated with cracking resistance rubber cement and forms anti-cracking protective layer 4 on pinned layer 41, the expansible anchor pinned layer 41 and EPS layer 32, described anti- It splits paving alkali-proof glass screen grid cloth on protective layer 4 and forms scrim layer 43, covering is coated with plastering glue on the scrim layer 43 Slurry forms finishing mucilage layer 44, and covering is coated with two-component flexible waterproof putty and forms putty layer 51 on the finishing mucilage, described It is covered outside putty layer 51 and is coated with exterior coating formation exterior coating layer 52, wherein 42 material of finishing mucilage layer 44 and cracking resistance mucilage layer Matter is identical.
The alkali-proof glass screen grid cloth or replace with steel wire that the present embodiment is related to.
The composition by weight of each raw material is organosilicon-modified acrylate 80-100 parts, nanometer titanium dioxide in the exterior coating 5-10 parts of silicon, 20-25 parts of clay powder, 20-25 parts of Chinese parasol tree tree powder, 10-15 parts of land plaster, 20-25 parts of pine tree glue and weight hundred Dividing specific concentration is 5-10 parts of ethanol water of 40%-95%.
The specific step of preparation process of the exterior coating are as follows:
(1) prepare pine tree glue: choose first can naturally secret pine tree glue and the age of tree be 2 years or more pine tree, then Inverted triangle mouth is cut at tree trunk or crotch, estuary top vertical is downward, is equipped with reception container in estuary lowest point and is used for The loose gum fluid for collecting the thick pale yellow shape of incision secretion, receiving and filling weight percent concentration in container is 40%- 95% ethanol water and the volume of ethanol water, which account for, receives the 1/2 of vessel volume, and after receiving three to five days or reception is held Until device fills with, then after the loose gum fluid collected in container and ethanol water are mixed evenly, sealed package is made Pine tree glue is spare;Or the granular loose glue solid of light yellow clear for condensing in pine tree epidermis is directly collected, it is subsequently placed into It impregnates in mulberry ash soup, is taken out after 12 hours, then clean 3-5 times with secondary distilled water and be dried, being then comminuted into partial size is 100-420 μm of particle, it is finally that pine tree glue particle, distilled water and weight percent concentration is water-soluble for the ethyl alcohol of 40%-95% Liquid is after 3:1:1 is mixed evenly by weight, and it is spare that pine tree glue is made in sealed package;Wherein, mulberry ash soup is dry mulberry leaf Incinerate again plus 10 times of weight water hybrid filtering after liquid;
(2) it prepares Chinese parasol tree tree powder: then choosing trunk, branch and the bark of the Chinese parasol tree tree that the age of tree is 2 years or more, go to clean After matter, 3-5 times being cleaned with secondary distilled water and is dried, then machining is ground into particle, and taking partial size is 20-74 μm Particle is spare;
(3) mixed raw material: 5-10 parts of nano silica, 20-25 parts of clay part, 20-25 parts of Chinese parasol tree tree powder, stone are weighed again 10-15 parts of cream powder and 20-25 part of pine tree glue, each raw material is added in high speed disintegrator, and setting revolving speed is 2000-3500 turns/ Minute, mixing time is 10-15 minutes, obtains mixed slurry after mixing evenly;Wherein, clay powder and land plaster select the partial size to be 20-74 μm of particle;
(4) it grinds: and then mixed slurry made from step (3) is put into grinder, setting revolving speed is 1500-2000 Rev/min, milling time is 10-15 minutes, and mixed slurry is ground into the slurries that fineness of dispersion is≤15 microns;
(5) prepared by product: finally slurries prepared by step (4) being put into blender, organosilicon-modified acrylic is added After 80-100 parts of ester, setting revolving speed be 800 revs/min, mixing time be 3-5 minutes, be put into homogenizer after mixing evenly into Row homogeneous, sealed package obtain product, realize the preparation of environment protecting thermal insulating insect-repelling paint.

Claims (1)

1. a kind of construction method of EPS wall thermal insulation structure, it is characterised in that specific process step are as follows:
(1) base course wall pre-processes: first cleaning out floating ash remaining on base course wall and sundries before construction, then repairs And plug-hole, porthole inner surface first is soaked with wet cloth when plug-hole, then by waterproof cement, middle sand and water by weight mixing for 1:3:0.6 It closes, 4% swelling agent of waterproof cement weight is then added, cement mortar is made after being mixed evenly, then out of wall Side plug-hole, in hole filling concrete mortar with a thickness of 15-25mm, solidified after standing 10-15 minute to cement mortar in hole, then general The cement mortar again after mixing evenly, after then filling up cement mortar out of wall outer side plug-hole, hole, finally by wall table Face smoothes out, is compacted and catches up with light, and curing time 1-3 days;
(2) it determines reference line: then taking cable inlet bracket and square chi determines the vertical squareness at each yin-yang angle, mark and repair in metope Range and thickness, and the upright controling line at each big angle is popped up, with guiding ruler, cable inlet bracket or draws small line determining and mark major face wall Vertical flatness, and screed-coat mortar is calculated according to repairing range and thickness;
(3) match leveling mortar: then by the dosage stock of step (2) measuring and calculating, by organosilicon-modified acrylate, No. 425 sulphur aluminium Acid salt cement, middle sand and water are 1:1.88:3.25:2 proportion by weight, and it is spare that screed-coat mortar is made;
(4) with mortar levelling: and then levelling, covering smearing step (3) on base course wall is carried out with mortar prepared by step (3) The mortar of preparation 2-3 times, first pass is with a thickness of 5-10mm and is compacted, and progress surface of wall is levelling when smearing last time, every time Construction interval 24-48 hours, the overall thickness of mortar levelling layer are 10-20mm;
(5) match adhesive: then preparing using solvent polyurethane resin as first component, with trimethylolpropane and toluene diisocynate Ester addition product is the dual-component polyurethane adhesive of second component, by component A and second component is in mass ratio that 5:1 is mixed when use Afterwards, 5 minutes are stood after mixing evenly with hand electric blender;
(6) EPS sheet is pasted: and then the dual-component polyurethane adhesive that step (5) configure is applied to EPS sheet, and EPS sheet is spread It is attached on mortar levelling layer, the layup sequence of EPS sheet is the horizontal cross and vertical fissure of displacement is spread from bottom to top since exterior wall external corner Patch, external corner two sides EPS sheet staggeredly splice, wherein cloth glue mode of the dual-component polyurethane adhesive on EPS sheet using point sticky, Any one during frame point sticky or item are viscous;The dual-component polyurethane adhesive forms adhesive layer, and the EPS sheet forms EPS sheet layer;
(7) EPS sheet is polished: when splicing seams spacing is greater than 2mm between adjacent EPS sheet in step (6), cutting EPS board into institute It is filled in splicing seams after needing shape point buttering, taps EPS sheet with rubber hammer and be adjusted and polish corner angle, and remove connect in time The mortar squeezed out at seam;
(8) it beats expansion anchor: then anchoring the EPS sheet that step (6) and step (7) paving finish with expansion anchor, every piece of EPS The anchoring sequence of plate is first to anchor surrounding, and rear anchoring middle part, adjacent expansion anchor spacing, back gauge are 50-100mm, each swollen Expansion anchor bolt passes through EPS sheet and reaches mortar levelling layer, and all expansion anchors constitute expansible anchor pinned layer;
(9) cracking resistance rubber cement is smeared: and then cracking resistance rubber cement is prepared, the composition by weight of each raw material is antimitotic agent 5-10 in cracking resistance rubber cement Part, sand 15-30 parts middle, 20-25 parts of pine tree glue and 5-10 parts of cement first take each raw material, then by antimitotic agent, pine according to the ratio Gummy liquid and middle sand are mixed evenly, then cement is divided into several aliquots, every 3 minutes 1 aliquots of addition and continue to stir, directly It is all added to cement, finally pours into mortar mixer or hand mixer, discharge after mixing evenly, cracking resistance rubber cement is made; Covering smears the cracking resistance rubber cement 2-3 all over cracking resistance mucilage layer is formed on EPS layers and expansible anchor pinned layer, smears interval time every time 24-48 hours, cracking resistance mucilage layer overall thickness was 4-5mm;The preparation method of the pine tree glue is to choose to divide naturally first Secrete the pine tree that pine tree glue and the age of tree are 2 years or more, then cut with inverted triangle mouth at tree trunk or crotch, estuary top vertical to Under, it is equipped with the loose gum fluid for receiving the thick pale yellow shape that container is used to collect incision secretion in estuary lowest point, connects The volume that the ethanol water that weight percent concentration is 40%-95% and ethanol water are filled in receptacle accounts for reception container The 1/2 of volume, after receiving three to five days or until reception container fills with, then loose gum fluid and ethanol water that will be collected in container After solution is mixed evenly, it is spare that pine tree glue is made in sealed package;Or it directly collects and condenses in the pale yellow of pine tree epidermis The loose glue solid of color transparent grain shape, is subsequently placed into mulberry ash soup and impregnates, take out after 12 hours, then clean 3- with secondary distilled water It 5 times and is dried, the particle that partial size is 100-420 μm is then comminuted into, finally by pine tree glue particle, distilled water and weight hundred Divide the ethanol water that specific concentration is 40%-95% is after 3:1:1 is mixed evenly by weight, and pine tree is made in sealed package Glue is spare;Wherein, the liquid that mulberry ash soup incinerates again plus after the water hybrid filtering of 10 times of weight for dry mulberry leaf;
(10) paving grid cloth: then paving fiberglass gridding cloth forms scrim layer on cracking resistance mucilage layer;First cut glass Glass fibrous mesh cloth cuts mesh sheet by required length and width from entire volume fiberglass gridding cloth, every reserves 20- The lap of splice of 50mm;Then paving window hole quadrangle increases one of 200mm × 300mm of patch along 45 degree of directions in window hole quadrangle Fiberglass gridding cloth;Smooth paving large area wall again, the flexure plane of fiberglass gridding cloth uses steel towards wall when paving It smears and is bulldozed and makes 0.5-1mm in fiberglass gridding cloth insertion mortar, taking between fiberglass gridding cloth around from centre Connecing width is 30-50mm;Then pressure is rubbed with the hands at overlap joint exterior wall yin-yang angle, lap width 20cm, the glass fiber mesh of wall two sides Ge Bu will respectively climb over yin-yang angle 10cm, and to guarantee not crack at outside corner of wall, last paving door-window opening, door-window opening is taken Connecing width is the lap of splice that 50cm and fiberglass gridding cloth bypass reserved >=100mm after windowsill;
(11) smear finishing mucilage: covering is coated with finishing mucilage and forms finishing mucilage layer in glass chopped strand mat layer, glue of plastering Starch identical as cracking resistance rubber cement material, when smearing ensures the verticality at the flatness and yin-yang angle of wall, finishing mucilage plumpness It is 100%;
(12) spot putting: then covering is coated with flexible waterproof putty and forms putty layer on finishing mucilage layer, with scraping when smearing Thick stick strikes off putty layer;
(13) brushing exterior coating: finally 3 times exterior coatings of uniform fold brushing, each surface of wall parch in putty layer Afterwards, it then brushes next time, brushes for 3 times and to finish and after exterior wall surface parches, complete the construction of EPS insulation construction.
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