CN100445483C - Composite silicate hard heat preservating thermal insulating wall and its construction method - Google Patents

Composite silicate hard heat preservating thermal insulating wall and its construction method Download PDF

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CN100445483C
CN100445483C CNB2004100117026A CN200410011702A CN100445483C CN 100445483 C CN100445483 C CN 100445483C CN B2004100117026 A CNB2004100117026 A CN B2004100117026A CN 200410011702 A CN200410011702 A CN 200410011702A CN 100445483 C CN100445483 C CN 100445483C
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layer
heat
cement
mortar
composite silicate
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CN1598184A (en
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杨小平
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杨小平
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Abstract

The invention relates to a composite silicate hard heat preservating thermal insulating wall, composed of foot layer wall (1), cement motar bonding layer (2), insulation layer (3), protection layer, outside finish layer (7). The insulation layer (3) is composite silicate hard heat preservating thermal insulating plate or composite silicate interlayer heat preservating thermal insulating wall. The composition of bonding motar of cement motar bonding layer (2) is cement : sand : assembly glue of 1:2~3:0.01~0.025:0.35~0.55 (weight ratio). The protection layer is composed of anti-crack and antipermeability bedding mortar (4), glass fibre gridding cloth and / or wire mesh belt layer (5) and anti-crack and antipermeability bedding mortar (6), wherein the composition of anti-crack and antipermeability bedding mortar is cement : fine sand : medium sand : fibre : water of 1:1~2:0.2~0.3:0.2~0.3:0.002~0.004:0.5~0.75(weight ratio). The said invention has the following features of high strengh, low thermal conductivity, noninflammation, unease of aging, good bond properties, quick and convenient construction, excellent combined properties of heat preservation, heat insulation and anti crack.

Description

Composite silicate hard heat-preserving heat-insulating wall and job practices thereof
Affiliated technical field: the invention belongs to building field, be specifically related to a kind of composite silicate hard heat-preserving heat-insulating wall and job practices thereof.
Background technology:
Along with the generally rising of global environment temperature in recent years, two seasons of summer in winter are constant for keeping interior temperature, air-conditioning almost is to be in the duty of not stopping, therefore the urgency of having aggravated the energy, people are seeking to reduce by the approach of exterior-wall heat insulation the load of air-conditioning, reach the purpose of saving the energy.The material of relevant in recent years exterior-wall heat insulation report has CN98103325.3, CN02153345.8, CN01207676.7, CN01201103.7, the skin heat insulating material that is adopted all is to be made of organic material, as the coagulation material of polyphenyl foam plate, polyphenyl foam particle and composition silicate bonding agent, urethane foam material etc., body of wall is made in these material coagulations cast.One of above-mentioned organic insulation material and materials for wall belong to organic material, and one belongs to inorganic material, and the bond properties of the two is bad, promptly has the problem of " sticking difficulty ", and also there are same problem in heat insulating material and face coat, of long duration come off easily.Another hidden danger is that the heat insulating material of organic class is inflammable and discharge pernicious gas, brings bigger harm to people just in case meet fire.And all do not see about adopting the report of single inorganic material as heat-preserving heat-insulating wall both at home and abroad so far.
The objective of the invention is provides a kind of composite silicate hard heat-preserving heat-insulating wall and job practices thereof for people, to overcome defective of the prior art, make it have intensity height, low, nonflammable, difficult aging, the characteristics such as bond properties is good, construction is quick and convenient, heat-preservation and heat-insulation crack-resisting excellent combination property of coefficient of thermal conductivity.
Summary of the invention:
Composite silicate hard heat-preserving heat-insulating wall of the present invention, constitute by basic unit's body of wall (1), cement mortar setting course (2), insulation layer (3), topping, exterior trim surface layer (7), wherein, insulation layer (3) is composite silicate hard heat-insulating plate or thermal insulating and isolating composite silicate board wich hard sandwich; The adhesive mortar of cement mortar setting course (2) consist of cement: sand: adhesive glue: water=1: 2~3: 0.01~0.025: 0.35~0.55 (weight ratio); Topping is by the impervious screed of cracking resistance (4), glass fiber reticular cloth and/or gauze wire cloth belt (5) and the impervious screed of cracking resistance (6) constitute, or by impervious screed of cracking resistance (4) and polymer microfibers screed formation, the impervious screed of cracking resistance (4), (6) the impervious mortar of cracking resistance consists of cement: fine sand: medium sand: adhesive glue: fiber: water=1: 1~2: 0.2~0.3: 0.2~0.3: 0.002~0.004: 0.5~0.75 (weight ratio), the polymer microfibers mortar of polymer microfibers screed are that every cubic metre of cement mortar adds 0.8~1 kg of polymer microfibre; Exterior trim surface layer (7) is face brick layer or coating surface layer or architectural surface.
In the such scheme, one deck leveling layer (8) and/or boundary layer can also be set between cement mortar setting course and the basic unit; Leveling layer (8) is made of cement mortar; Boundary layer is made of interfacial agents, interfacial agents consist of cement: the adhesive glue aqueous solution=1: 0.8~1 (weight ratio), wherein the concentration of the adhesive glue aqueous solution is 10%~20% (weight).
In the such scheme, insulation layer (3) is that 25~100mm is thick.
In the such scheme, adhesive glue is bond general adhesive glue or a modification adhesive glue of cement mortar.
In the such scheme, adhesive glue is modification adhesive glue DR-ZJ001 adhesive glue, DR-KJ002 adhesive glue, DR-JJ003 adhesive glue.
The job practices of composite silicate hard heat-preserving heat-insulating wall of the present invention is the job practices of composite silicate hard heat-insulating plate exterior wall heat-preserving system, and its key step is:
The cleaning, flattening foot layer body of wall (1);
2. make cement mortar setting course (2) with adhesive mortar;
3. the construction of insulation layer (3): the bonding of thermal insulation thermal insulation board is from metope top or bottom, with the direct bonding and thermal insulation insulating board successively of adhesive mortar, and set deformation joint in conjunction with drawing, and being close to mutually between the sheet material up and down, the fissure of displacement pastes, the part can adopt the composition silicate creme to fill;
4. the construction of topping: smear the impervious mortar of cracking resistance on the thermal insulation thermal insulation board surface, thickness is about 2mm~5mm, applies immediately and presses alkali resistant grid cloth and/or steel wire net-belt, smears with 1mm~impervious mortar of 3mm cracking resistance to be pressed on grid cloth and/or the steel wire net-belt again; Or smear the impervious mortar of cracking resistance on the thermal insulation thermal insulation board surface, and thickness hung 2~3 days greater than 5mm, used polymer microfibers sand finish layer then, and thickness is 10mm~15mm, and this method is applicable to exterior wall internal insulation system;
5. carry out the construction of exterior trim surface layer (7).
Can go up at basic unit's body of wall (1) earlier after above-mentioned steps 1 is finished and smear one deck leveling layer (8) with cement mortar, about 15~25mm is thick, carry out step 2 again; When exterior wall is cast-in-situ steel reinforced concrete or other sheet material when making basic unit's body of wall (1), make boundary layer with interfacial agents.
Above-mentioned steps 3 can be earlier from following block delegation thermal insulation thermal insulation board, as the standard row, more successively with the direct bonding and thermal insulation insulating board of adhesive mortar, large-area exterior-wall heat insulation, the fissure of displacement is arranged between the sheet material up and down, seaming dislocation between place, the corner sheet material.
Glass fiber reticular cloth in the above-mentioned steps 4 is the alkali resistant glass fiber reticular cloth, and the mesh specification is 4mm * 4mm or 25~16.7 hole counts/100mm, breaking strength 〉=1250N/50mm; In the construction; overlap mutually between the grid cloth; lap width is 50mm~60mm; upper and lower mouthful and door and window hole place at balcony; the inside bound edge width of grid cloth should 〉=60mm, rub topping surface with the hands flat stranding the with the hands in fact with wooden sand plate, spray after the final set of surface layer mortar, water seasoning; keep surface wettability more than 3 days, the following topping of liftoff 2m adopts double layer grid cloth to strengthen.
When if the job practices of above-mentioned exterior wall heat-preserving system is used for the outer heat preservation system of the built on stilts flooring of the exterior wall heat-preserving system of highrise building and bottom, construct and through insulated curing after 3 days the reinforcing of employing expansion bar for line at topping; The reinforcing program is first electricity consumption drill hole, buries then that the DR-expansion bolt is tightened underground and cover nut with a little slurry to get final product; The DR-expansion bolt is buried spacing≤1.5m underground; If when being used for the exterior wall heat-preserving system of highrise building, can be no more than 10m from bottom to up and one DR-001 section bar is set does as supporting, section bar is buried underground should be straight, firm.
In the job practices of above-mentioned exterior wall heat-preserving system, the mortar mixing time is no less than 15 minutes, and be no more than 3 hours service time after mixing and stirring.
The present invention is the inventor sums up the science practicality of groping out by long-term practice a technical scheme; it adopts composite silicate hard heat-insulating plate or thermal insulating and isolating composite silicate board wich hard sandwich or other inorganic heat insulation material as the thermal insulation layer; overcome available technology adopting polyphenyl foam plate; the coagulation material of polyphenyl foam particle and composition silicate bonding agent; organic materials such as urethane foam material cause the heat-preserving heat-insulating wall easy firing; easily aging defective; between basic unit's body of wall and composite silicate hard heat preserving and insulating material layer, adopt the cement mortar setting course; because the three is inorganic material; excellent bonding performance each other; rate of drying is fast; thereby (organic insulation material needs 15 days dryings can to improve speed of application; and the present invention only needs 1~3 day drying); the long service life of heat-preserving heat-insulating wall of the present invention; can with the same longevity of building; and the organic heat-insulating body of wall is changed because of aging performance descends year by year and needs; the gas that discharges in aging process is harmful and environment produced pollute; just in case run into fire; the organic heat-insulating body of wall will produce bigger murder by poisoning to human body; and to the bigger pollution of environment generation; and heat-preserving heat-insulating wall of the present invention has and does not fire effect; nontoxic; environmentally safe; this is very favourable for environmental protection, and the present invention has the intensity height in a word; coefficient of thermal conductivity is low; nonflammable; be difficult for aging; bond properties is good; it is quick and convenient to construct; long service life; many characteristics such as heat-preservation and heat-insulation crack-resisting excellent combination property.
The invention is further illustrated by the following examples, and the present invention is not limited only to described embodiment.
Description of drawings:
Fig. 1 is the overall structure schematic diagram of the embodiment of the invention one.
Fig. 2 is the overall structure schematic diagram of the embodiment of the invention two.
Among the figure: 1. basic unit's body of wall; 2. cement mortar setting course; 3. insulation layer; 4. anticracking grout layer; 5. glass fiber reticular cloth and/or gauze wire cloth belt; 6. anticracking grout layer; 7. exterior trim surface layer; 8. leveling layer.
The specific embodiment:
Be described in further detail the present invention below in conjunction with embodiment, the product of the DR series trade mark that embodiment is used appoints Co., Ltd of enterprise group to provide greatly by Sichuan.
Embodiment one
As shown in Figure 1: the composite silicate hard heat-preserving heat-insulating wall of present embodiment, the topping that constitutes of the impervious screed 4 of insulation layer 3, cracking resistance that is made of basic unit's body of wall 1, cement mortar setting course 2, composite silicate hard heat-insulating plate successively, glass fiber reticular cloth layer 5 and the impervious screed 6 of cracking resistance, the exterior trim surface layer 7 that the tapestry brick layer constitutes are formed from the inside to the outside.The glass fiber reticular cloth layer of present embodiment also can or add steel wire net-belt with the replacement of gauze wire cloth belt on glass fiber reticular cloth.
Cement mortar setting course 2 used adhesive mortars in the present embodiment consist of the 32.5R Portland cement: sand (mass percent of medium sand, mud content less than 1%, content of organics qualified): DR-ZJ001 adhesive glue: water=1: 2.5: 0.015: 0.45 (weight ratio).
The impervious mortar of cracking resistance that the impervious screed of cracking resistance in the present embodiment 4,6 is used consist of the 32.5R Portland cement: fine sand (DR-S001 2.2~1.6 fineness modulus): medium sand (DR-S002 3.0~2.3 fineness modulus): DR-KJ002 adhesive glue: DR-Q001 fiber: water=1: 1.5: 0.25: 0.25: 0.003: 0.6 (weight ratio).
Embodiment two
As shown in Figure 2: the composite silicate hard heat-preserving heat-insulating wall of present embodiment, the exterior trim surface layer 7 that constitutes of the insulation layer 3 that is made of basic unit's body of wall 1, leveling layer 8, cement mortar setting course 2, thermal insulating and isolating composite silicate board wich hard sandwich successively, anticracking grout layer 4, glass fiber reticular cloth and/or gauze wire cloth belt 5, anticracking grout layer 6, coating surface layer constitutes from the inside to the outside.When exterior wall is cast-in-situ steel reinforced concrete or other sheet material when making basic unit's body of wall, the leveling layer 8 of present embodiment can adopt interfacial agents to make one deck boundary layer to replace.
The other parts of present embodiment are with embodiment one.
Embodiment three
Further sketch the job practices of exterior wall heat-preserving system below by present embodiment:
The construction environment temperature is not less than 5 ℃, and the big rainy day is forbidden construction, and concrete construction sequence is:
1. base treatment:
Basic unit's body of wall 1 surface that needs adhesive insulating layer is cleared up, rooted out or repairs, understand door and window hole periphery and cornice structure, the deformation joint position, the outside water pipe that needs are moved and other pipeline are moved away earlier and are moved to the appropriate location, dustbin, pipeline opening and window sill and other embedded member are installed in advance appropriate, and basic unit is watered moistening the previous day in construction.Make smooth, solid, the cleaning of metope basic unit, no greasy dirt or hollowing phenomenon.Planeness is checked with the 2m guiding ruler, answers≤5mm.
2. make cement mortar setting course 2 with adhesive mortar;
3. the construction of insulation layer 3:
The bonding of thermal insulation thermal insulation board, should be from metope top or bottom, with the direct bonding and thermal insulation insulating board successively of DR-SJ adhesive mortar, and set deformation joint in conjunction with drawing, earlier build delegation's warming plate below and make the standard row, be close to mutually between the sheet material up and down, the fissure of displacement pastes, mortar is stirred, spread upon on the thermal insulation thermal insulation board bottom surface, note during stickup pasting firmly, no hollowing, smooth, thermal insulation thermal insulation board can cut arbitrarily, punch according to on-the-spot needs, the place, slit adopts the composition silicate slurry to fill, and avoids producing cold and hot bridge;
4. the construction of topping (containing the impervious screed 4 of cracking resistance, glass fiber reticular cloth layer 5, the impervious screed 6 of cracking resistance): the topping construction can be adopted following two kinds of methods:
Method one (being used for external thermal insulation system): smear the impervious mortar of cracking resistance on the thermal insulation thermal insulation board surface, thickness is about 2.5mm, apply immediately and press DR-W001 alkali resistant grid cloth, smear with the impervious mortar of about 1.5mm cracking resistance again and be pressed on the grid cloth, overlap mutually between the grid cloth, lap width is 50mm~60mm, and it is smooth-going that grid cloth is pasted, defectives such as no wrinkle, delamination and leakage subsides, glass fiber reticular cloth mesh specification is 4mm * 4mm, breaking strength 〉=1250N/50mm is at upper and lower mouthful and door and window hole place of balcony, the inside bound edge width 〉=60mm of grid cloth.Topping surface is rubbed with the hands with wooden sand plate and is flatly rubbed with the hands in fact, sprays after the final set of surface layer mortar, water seasoning, keeps surface wettability more than 3 days, and the following topping of liftoff 2m adopts the reinforcement of double layer grid cloth.
Method two (being used for exterior wall internal insulation system): smear on insulation layer 3 and press the impervious mortar of cracking resistance, thickness is not less than 5mm.Through quality testing department check its thickness and planeness confirm qualified after, hung 2~3 days.Use polymer microfibers sand finish layer then, thickness is 12mm, and the polymer microfibers volume is that every cubic metre of cement mortar adds 0.9kg.
During for the outer heat preservation system construction of the built on stilts flooring of the exterior wall heat-preserving system of highrise building and bottom, construct and through insulated curing after 3 days the reinforcing of employing expansion bar for line at topping.The reinforcing program is first electricity consumption drill hole, buries then that the DR-expansion bolt is tightened underground and cover nut with a little slurry to get final product.The DR-expansion bolt is buried spacing≤1.5m underground.
5. paste the tapestry brick layer or make the coating surface layer as exterior trim surface layer 7.
In addition, in the job practices of present embodiment exterior wall heat-preserving system, the mortar mixing time is no less than 15 minutes, and be no more than 3 hours service time after mixing and stirring.
The construction of present embodiment insulation layer 3 can be no more than 10m from bottom to up and one DR-001 section bar is set does as supporting, and it is straight, firm that section bar is buried underground when running into the exterior wall heat-preserving system of highrise building.
Can on basic unit's body of wall 1, smear one deck leveling layer 8 earlier after present embodiment step 1 is finished with cement mortar, leveling layer 8 about 1.5~2.5 centimeters thick, carry out step 2 again; When exterior wall is cast-in-situ steel reinforced concrete or other sheet material when making basic unit's body of wall 1, adopt interfacial agents to make boundary layer, interfacial agents consist of the 32.5R Portland cement: DR-JJ003 adhesive glue=1: 0.9 (weight ratio) wherein adhesive glue is 15% the aqueous solution.
The other parts of present embodiment are with embodiment one.
Embodiment four
As shown in Figure 2: the composite silicate hard heat-preserving heat-insulating wall of present embodiment, the exterior trim surface layer 7 that constitutes of the insulation layer 3 that is made of basic unit's body of wall 1, leveling layer 8, cement mortar setting course 2, thermal insulating and isolating composite silicate board wich hard sandwich successively, anticracking grout layer 4, glass fiber reticular cloth and/or gauze wire cloth belt 5, anticracking grout layer 6, coating surface layer constitutes from the inside to the outside.
Cement mortar setting course 2 used adhesive mortars in the present embodiment consist of the 32.5R Portland cement: sand (mass percent of medium sand, mud content less than 1%, content of organics qualified): DR-ZJ001 adhesive glue: water=1: 2: 0.01: 0.55 (weight ratio).
The impervious mortar of cracking resistance that the impervious screed of cracking resistance in the present embodiment 4,6 is used consist of the 32.5R Portland cement: fine sand (DR-S001 2.2~1.6 fineness modulus): medium sand (DR-S002 3.0~2.3 fineness modulus): DR-KJ002 adhesive glue: DR-Q001 fiber: water=1: 1: 0.2: 0.2: 0.002: 0.75 (weight ratio).
Interfacial agents in the present embodiment consist of the 32.5R Portland cement: DR-JJ003 adhesive glue=1: 0.8 (weight ratio), wherein adhesive glue is 20% the aqueous solution.
The other parts of present embodiment are with embodiment three.
Embodiment five
As shown in Figure 2: the composite silicate hard heat-preserving heat-insulating wall of present embodiment, the exterior trim surface layer 7 that constitutes of the insulation layer 3 that is made of basic unit's body of wall 1, leveling layer 8, cement mortar setting course 2, thermal insulating and isolating composite silicate board wich hard sandwich successively, anticracking grout layer 4, glass fiber reticular cloth and/or gauze wire cloth belt 5, anticracking grout layer 6, coating surface layer constitutes from the inside to the outside.
Cement mortar setting course 2 used adhesive mortars in the present embodiment consist of the 32.5R Portland cement: sand (mass percent of medium sand, mud content less than 1%, content of organics qualified): DR-ZJ001 adhesive glue: water=1: 3: 0.025: 0.35 (weight ratio).
The impervious mortar of cracking resistance that the impervious screed of cracking resistance in the present embodiment 4,6 is used consist of the 32.5R Portland cement: fine sand (DR-S001 2.2~1.6 fineness modulus): medium sand (DR-S002 3.0~2.3 fineness modulus): DR-KJ002 adhesive glue: DR-Q001 fiber: water=1: 2: 0.3: 0.3: 0.004: 0.5 (weight ratio).
Interfacial agents in the present embodiment consist of the 32.5R Portland cement: DR-JJ003 adhesive glue=1: 1 (weight ratio), wherein adhesive glue is 10% the aqueous solution.
The other parts of present embodiment are with embodiment three.
Embodiment six
As shown in Figure 2: the composite silicate hard heat-preserving heat-insulating wall of present embodiment, the exterior trim surface layer 7 that constitutes of the insulation layer 3 that is made of basic unit's body of wall 1, leveling layer 8, cement mortar setting course 2, thermal insulating and isolating composite silicate board wich hard sandwich successively, anticracking grout layer 4, glass fiber reticular cloth and/or gauze wire cloth belt 5, anticracking grout layer 6, coating surface layer constitutes from the inside to the outside.
Cement mortar setting course 2 used adhesive mortars in the present embodiment consist of the 32.5R Portland cement: sand (mass percent of medium sand, mud content less than 1%, content of organics qualified): DR-ZJ001 adhesive glue: water=1: 2.8: 0.015: 0.40 (weight ratio).
The impervious mortar of impervious screed 4, the 6 used cracking resistances of cracking resistance in the present embodiment consist of the 32.5R Portland cement: fine sand (DR-S001 2.2~1.6 fineness modulus): medium sand (DR-S002 3.0~2.3 fineness modulus): DR-KJ002 adhesive glue: DR-Q001 fiber: water=1: 1.4: 0.22: 0.26: 0.0028: 0.6 (weight ratio).
The other parts of present embodiment are with embodiment three.

Claims (1)

1. composite silicate hard heat-preserving heat-insulating wall, constitute by basic unit's body of wall (1), cement mortar setting course (2), insulation layer (3), topping, exterior trim surface layer (7), it is characterized in that insulation layer (3) wherein is composite silicate hard heat-insulating plate or thermal insulating and isolating composite silicate board wich hard sandwich; The weight ratio of the composition of the adhesive mortar of cement mortar setting course (2) is a cement: sand: adhesive glue: water=1: 2~3: 0.01~0.025: 0.35~0.55; Topping is made of the impervious screed of cracking resistance, glass grid cloth and/or gauze wire cloth belt (5) and the impervious screed of cracking resistance, or constitute by impervious screed of cracking resistance and polymer microfibers screed, the weight ratio that the impervious mortar of the cracking resistance of the impervious screed of cracking resistance is formed is a cement: fine sand: medium sand: adhesive glue: fiber: water=1: 1~2; 0.2~0.3: 0.2~0.3: 0.002~0.004: 0.5~0.75; The polymer microfibers mortar of polymer microfibers screed is that every cubic metre of cement mortar adds 0.8~1 kg of polymer microfibre; Exterior trim surface layer (7) is face brick layer or coating surface layer or architectural surface, and the thickness of insulation layer (3) is 25~100mm.
CNB2004100117026A 2003-09-19 2004-09-18 Composite silicate hard heat preservating thermal insulating wall and its construction method Expired - Fee Related CN100445483C (en)

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CN03135850 2003-09-19
CNB2004100117026A CN100445483C (en) 2003-09-19 2004-09-18 Composite silicate hard heat preservating thermal insulating wall and its construction method

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CN1995574B (en) * 2005-12-31 2010-11-17 宁波荣山新型材料有限公司 Outer wall outer heat-insulating system of polymer heat-insulating mortar
CN102434004B (en) * 2011-10-18 2013-11-27 青岛浩铭节能科技有限公司 Process for fabricating inner shell of extruded plate type insulation warehouse
CN102409822B (en) * 2011-11-04 2013-09-04 张鹏 Thermal insulation decorative composite board and manufacturing method thereof
CN102733498B (en) * 2012-07-05 2013-06-05 南通纺织职业技术学院 High-rise residential building external thermal insulation system construction method
CN102936946B (en) * 2012-11-16 2014-06-11 成都市第六建筑工程公司 Cement decorative sheet construction method
CN103835380A (en) * 2014-02-20 2014-06-04 王平 Expanded and vitrified small ball inorganic thermal-insulation polymer mortar system
CN107489250A (en) * 2017-09-02 2017-12-19 广东省第二建筑工程有限公司 Wall basic unit plastering construction engineering method
CN108915104A (en) * 2018-06-22 2018-11-30 中国冶集团有限公司 Utilize the wall insulating layer and its construction method of rice-straw ash
CN110424558A (en) * 2019-07-30 2019-11-08 北京崇建工程有限公司 A kind of anti-hollowing of board bottom insulating layer, fall off construction method

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CN1373039A (en) * 2002-03-28 2002-10-09 杨小平 Process for preparing thermal insulating and isolating composite silicate board wich hard sandwich
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CN2530995Y (en) * 2002-03-28 2003-01-15 杨小平 Composite silicate hard sand wiched heat insulating board
CN2546550Y (en) * 2001-12-31 2003-04-23 杨小平 Composite silicate thermal insulation sound-proof wall

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CN1354076A (en) * 2001-12-28 2002-06-19 杨小平 Production method of composite silicate hard heat-insulating plate
CN2546550Y (en) * 2001-12-31 2003-04-23 杨小平 Composite silicate thermal insulation sound-proof wall
CN1373039A (en) * 2002-03-28 2002-10-09 杨小平 Process for preparing thermal insulating and isolating composite silicate board wich hard sandwich
CN2530995Y (en) * 2002-03-28 2003-01-15 杨小平 Composite silicate hard sand wiched heat insulating board

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