CN100378284C - Dry-process construction method for new type wall body of building blocks - Google Patents
Dry-process construction method for new type wall body of building blocks Download PDFInfo
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- CN100378284C CN100378284C CNB2005100346250A CN200510034625A CN100378284C CN 100378284 C CN100378284 C CN 100378284C CN B2005100346250 A CNB2005100346250 A CN B2005100346250A CN 200510034625 A CN200510034625 A CN 200510034625A CN 100378284 C CN100378284 C CN 100378284C
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Abstract
The present invention provides a dry construction method of a new building block wall body, which comprises a dry construction method of building a new building block wall body, and a dry construction method of plastering the surface of a new building block wall body, wherein the dry construction method of building a wall body comprises the following steps: A. a new building block material is prepared; B. a special masonry mortar for the dry construction Mb of which the lamination degree value is less than or equal to zero is prepared; C. the new building block wall body is built. The dry construction method of plastering the surface of a wall body comprises the following steps: A. the base surface of the new building block is washed or cleaned; B. a special masonry mortar for the dry construction Mb of which the lamination degree value is less than or equal to zero is prepared; C. the surface of the wall body is plastered. The present invention without needing to be watered before and after construction, solves the common fault of continuous dryness and cracking of the new building block wall body, saves water consumption, effectively avoids the influence of human factors on engineering quality in the two aspects of material and construction technologies, reduces labor intensity of workers, compresses construction period and avoids environmental pollution. The present invention is favorable to civilized construction.
Description
Technical field
The present invention relates to a kind of job practices of building construction body of wall, particularly relate to a kind of dry construction method of new type block body of wall.
Background technology
At present, with cement is that main cementitious materials is made, meet wall reform to energy-conservation, joint soil, the sharp useless novel wall building materials that requires, code is Mb, mainly comprise concrete hollow block, Autoclaved aerated concrete blocks, small lightweight hollow concrete blocks, sand lime brick etc., the utilization in all kinds of construction wall constructions more and more widely.The block material of doing also can abbreviate hacking as.Adopt above-mentioned novel wall building materials to build the body of wall that forms by laying bricks or stones, be called the new type block body of wall.
Existing technology is when constructing the construction of new type block body of wall and wall coating, normally directly apply mechanically the method construction of building the common brick wall by laying bricks or stones, because the adhesion stress deficiency of mortar, have to improve the adhesion stress of mortar by the wet brick that waters, wet wall, promptly adopt traditional wet construction method, also need after the construction to continue to the wet water of mortar, to supply with its water that condenses.Corresponding with it is the dry construction method, promptly need not to water in advance moistening block material or body of wall basal plane and directly use drying material, perhaps directly on dry body of wall basal plane, construct, and also need not after the construction wet a kind of construction techniques of water of the mortar on the body of wall.
The novel wall that adopts the wet construction method to construct, ubiquity the disadvantage of the continuous drying shrinkage of construction back wall; Floated coat after the construction of wet method wall coating, commonly exist cracking, hollowing, problem such as come off, illustrate that the conventional wet job practices is difficult to reach the basic mechanical property requirements of novel wall, but also produce very big negative effect, be exactly to make the Han Shui of body of wall Shuai the Haibiao liter the most significantly, and then cause body of wall continuous dry shrinkage and cracking after completion.Simultaneously, existing wet construction method when watering wet brick, wet wall and the moistening operation of construction back maintenance mortar in advance, all needs to expend great amount of water resources, also needs to expend certain manpower and man-hour, makes engineering cost increase, project schedule delay; And because of the adhesion stress deficiency of mortar, mortar easily comes off in work progress and is discarded, and waste material also produces environment pollution simultaneously.The water retentivity of mortar of existing wet construction is also relatively poor, all needs artificially wet water before and after the construction, and wet water effect instability so human factor is bigger to the influence of workmanship, makes workmanship stable inadequately, has also increased working strength of workers.Therefore, the wet construction method of existing new type block body of wall exists significant disadvantage and deficiency.At present at the dry construction process aspect, still do not have the comparatively solution of science and standard, the popularization that is unfavorable for the dry construction technology with popularize.
Performance indications generally have denseness, delamination degree, density and time of setting etc. before the cement works mortar hardening.Delamination degree is to weigh the important technology index of water retentivity of mortar, and stratification degree is more little, and water retentivity of mortar is good more; Stratification degree is big, and water retentivity of mortar is poor more, and the adhesive property of mortar also can be affected.The stratification degree of prior art cement mortar generally between 10～30mm, is not suitable for dry construction.
Summary of the invention
The objective of the invention is to, at the existing above-mentioned deficiency of existing new type block wall construction method, provide a kind of employing in mortar, to admix special mortar additive, make the stratification degree of cement mortar be less than or equal to zero and have excellent water retention, adhesion stress and a workability, replace the method that relies on the wet brick that waters, wet wall to improve mortar bonding power, the hacking of realizing the new type block body of wall is built by laying bricks or stones, the dry construction method of the standard of dry wall plastering, and the popularization of being convenient to the dry construction technology is with universal.
Technical scheme provided by the present invention is: a kind of dry construction method of new type block body of wall, comprise the dry construction method of new type block building wall and the dry construction method of new type block wall coating, it is characterized in that, the dry construction method of described new type block building wall comprises the steps:
A, preparation new type block material are promptly prepared without the moistening block material of doing that waters in advance;
B, preparation stratification degree are less than or equal to zero dry construction Mb special masonry mortar, are about to cement, sand, water and special mortar additive for dry construction, mix also according to a certain percentage and fully stir, and make it to become uniform mixing software;
C, build the new type block body of wall by laying bricks or stones, be about to the block material done,, build into the dry wall body by laying bricks or stones with prepared dry construction Mb special masonry mortar.
The dry construction method of described new type block wall coating comprises the steps:
A, cleaning or cleaning new type block body of wall basal plane;
B, preparation stratification degree are less than or equal to zero dry construction Mb special plastering mortar, are about to cement, water or sand, and special mortar additive for dry method construction, and admixture mix and abundant the stirring according to certain ratio, make it to become uniform mixing software;
C, wall coating are about to the special-purpose wall coating mortar of prepared dry construction Mb, directly criticize the surface that is put on described dry wall body.
Described special mortar additive for dry method construction is meant to be used for admixing in the cement mortar, to make the stratification degree of common building cement mortar be equal to or less than zero, to be suitable for the chemical complex of dry construction.Described chemical complex is that etherificate class chemicals is the mixture or the aqueous solution of etherate; Described etherate can be a kind of in the etherificate class chemicals, also can be the compound that several etherificate class chemicals are formed.Described etherate is a cellulose ether; The mixture of described etherate is the even solid mixture that forms that mixes of etherate and at least a inserts; Described inserts is powdery or the granular solids article that are used for filling etherate; As stone flour, kaolin, flyash etc.
Described admixture is the polymer composite goods of the cracking resistance that is used for strengthening described special mortar for dry construction, impervious ability, as various plastic optical fibres.Described polymer composite goods are polypropylene fibre, polyethylene fibre etc.
The certain proportion of described preparation mortar, by the weight ratio of each component be: establishing cement is 1 unit of weight, and sand is 0～6 unit of weight, and water is 0～10 unit of weight, and additive is 0.5～10 unit of weight; Admixture is to add 0～1.2kg/m by mortar volume
3The mortar of different designs intensity or purposes, selecting for use and proportioning of various materials can suitably be adjusted.The cement of preparation mortar should adopt Portland cement.
Described new type block material, with cement is that main cementitious materials is made, meet wall reform to energy-conservation, joint soil, the sharp useless porous alkaline basal plane building wall material that requires, comprise concrete hollow block, Autoclaved aerated concrete blocks, small lightweight hollow concrete blocks, sand lime brick etc.The structure of block material structure should meet the requirement (GB50003-2001) etc. of design document, national standard " Code for design of masonry strucres ".
Described body of wall basal plane comprises inner surface, external surface, upper surface or the following table of body of wall and (being the smallpox face) also can be base surfaces such as inclined-plane, arc surface.
Table one: the dry method masonry mortar match ratio reference of different designs strength grade:
| Strength grade | Cement-sand ratio | Water/binder ratio | Denseness mm | Wet density |
| Mb20 | 1∶1.5 | 0.45 | 57 | 1900 |
| Mb15 | 1∶2.5 | 0.51 | 57.5 | 1910 |
| Mb10 | 1∶3～2.5 | 0.55～0.65 | 56～57 | 1860～1920 |
| Mb7.5 | 1∶4 | 0.73 | 57 | 1830 |
| Mb5.0 | 1∶4.5～5.5 | 0.79～0.92 | 56～58 | 1810～1820 |
| Mb2.5 | 1∶6 | 0.96 | 56.5 | 1810 |
Table two: the dry method exterior wall plastering mortar match ratio reference of different intensity grades:
| Strength grade | Cement-sand ratio | Water/binder ratio | Fiber g/m 3 | Denseness mm | Wet density |
| Mb20 | 1∶1.5 | 0.45 | 1000 | 74.5 | 1960 |
| Mb15 | 1∶2 | 0.50 | 1000 | 74 | 1900 |
| Mb10 | 1∶2.5 | 0.57 | 1000 | 71 | 1850 |
| Mb10 | 1∶3 | 0.62 | 1000 | 70 | 1870 |
| Mb7.5 | 1∶4 | 0.76 | 1000 | 72 | 1800 |
| Mb5.0 | 1∶5 | 0.90 | 1000 | 73 | 1800 |
" ash " described in table one and the table two refers to cement (can comprise mortar specialist additive mixture); " water " refers to the aqueous solution of clear water or mortar specialist additive.
The invention has the advantages that: dry construction method provided by the invention, easy to operate, steady quality, application property is good; Owing to adopted the method for in cement mortar, admixing specialist additive, make the stratification degree of mortar be less than or equal to zero, thereby significantly improve the water retention of mortar, combination properties such as caking property, wetted material and basal plane need not to water, can build by laying bricks or stones by direct hacking, dry wall plastering, also need not to continue wet water after construction finishes keeps mortar moistening, the wet brick of having avoided watering, wet wall, the operation of moistening mortar, make the body of wall moisture content maintain reduced levels, rationally solved problems such as the problem of the continuous dry shrinkage and cracking of wet construction completion back wall and the hollowing of floated coat come off, workmanship is guaranteed; Simultaneously,, can save the water resource of conventional construction method more than 50%, save manpower and man-hour, alleviate labour intensity, the compression construction period owing to saved the operation of watering before and after the construction; Because of the adhesion strength increase of mortar, difficult drop-off during construction can be saved material and also avoid environment pollution.Simultaneously, the present invention prepares mortar at the construction field (site), can make the mortar quality obtain ordered control according to the step standard operation, makes the mortar steady quality, has eliminated the common quality defect that screed oozes, leaks, splits from material behavior, has improved construction engineering quality; Simultaneously,, all need not the operation of watering before and after the construction, avoid the influence of human factor from the construction technology aspect effectively, be very easy to construction, help civilized construction, safe construction workmanship because of mortar has good water retention.
The present invention is widely used in building by laying bricks or stones of various new type block bodies of wall and interior exterior wall plastering construction, be applicable to that all kinds of new type block building walls fan ashes wipe one's face and reparation construction, also be applicable to the floated coat cracking resistance and the impervious waterproof of all kinds of new type block building wall beyond the region of objective existence walls, and other is the dry construction of the constructional materials and the body of wall basal plane of main cementitious material with cement.
The specific embodiment
Embodiment 1, and the CL dry construction method of Dongguan color beautiful building maintenance technology company through a kind of new type block body of wall of practice test is provided, and " CL " is the Chinese phonetic alphabet abbreviation of color beautiful company.A kind of CL dry construction method of new type block building wall at first is provided.
A kind of CL dry construction method of new type block building wall comprises the steps:
A, preparation new type block material are promptly prepared without the moistening block material of doing that waters in advance, are to prepare dry, clean concrete block here;
B, preparation stratification degree are less than or equal to zero dry construction Mb special masonry mortar, are about to cement, sand, water and special mortar additive for dry construction, mix also according to a certain percentage and fully stir, and make it to become uniform mixing software; The concrete ratio that present embodiment adopted is: establishing cement is 1 unit of weight, and sand is 5 unit of weights, and water is 5 unit of weights, and additive is 0.5 unit of weight.What special mortar additive for dry construction adopted is the mixture of cellulose ether and flyash, generally additive and inserts is stirred in advance, again with other material dry mixing, adds entry at last and stirs, and various materials are evenly mixed, and makes mortar.
C, build the new type block body of wall by laying bricks or stones, be about to the block material done, promptly the concrete block material with prepared dry construction Mb special masonry mortar, is built into the dry wall body by laying bricks or stones.This moment, the moisture content of body of wall did not almost increase, and maintained previous level substantially.
Described CL special mortar additive for dry method construction is meant to be used for admixing in the cement mortar, to make the stratification degree of common building cement mortar be equal to or less than zero, to be suitable for the chemical complex of dry construction.Described chemical complex is that etherificate class chemicals is the mixture or the aqueous solution of etherate; Described etherate can be a kind of in the etherificate class chemicals, also can be the compound that several etherificate class chemicals are formed.Described etherate is a cellulose ether, and what present embodiment adopted is methyl cellulose ether; The mixture of described etherate is the even solid mixture that forms that mixes of etherate and inserts flyash; Described inserts is powdery or the granular solids article that are used for filling etherate; As stone flour, kaolin, flyash etc., what adopt here is flyash.What the present embodiment special mortar additive for dry construction adopted is the mixture of cellulose ether and flyash, and its weight proportion is a cellulose ether 1: flyash 5.Also can be according to requirement of engineering, etherate can be selected the product of other cellulose ethers, or compound etherate; Inserts can also be selected stone flour, kaolin or other material.
Described admixture is the polymer composite goods of the cracking resistance that is used for strengthening described special mortar for dry construction, impervious ability, as various plastic optical fibres.Described polymer composite goods are polypropylene fibre, polyethylene fibre etc.The employing amount is zero in the present embodiment.
The certain proportion of described preparation mortar, it can be selected in following scope, and by the weight ratio of each component be: establishing cement is 1 unit of weight, and sand is 0～6 unit of weight, and water is 0～10 unit of weight, and additive is 0.5～10 unit of weight; Admixture is to add 0～1.2kg/m by mortar volume
3The mortar of different designs intensity or purposes, selecting for use and proportioning of various materials can suitably be adjusted.The cement of preparation mortar should adopt Portland cement, and its label is not less than 32.5.Adopt No. 35 Portland cements in the present embodiment.Also can determine material and proportioning thereof with reference to following table:
Table three: the dry method masonry mortar match ratio reference of different designs strength grade:
| Strength grade | Cement-sand ratio | Water/binder ratio | Denseness mm | Wet density |
| Mb20 | 1∶1.5 | 0.45 | 57 | 1900 |
| Mb15 | 1∶2.5 | 0.51 | 57.5 | 1910 |
| Mb10 | 1∶3～2.5 | 0.55～0.65 | 56～57 | 1860～1920 |
| Mb7.5 | 1∶4 | 0.73 | 57 | 1830 |
| Mb5.0 | 1∶4.5～5.5 | 0.79～0.92 | 56～58 | 1810～1820 |
| Mb2.5 | 1∶6 | 0.96 | 56.5 | 1810 |
" ash " described in the table refers to cement, comprises the specialist additive mixture; " water " refers to clear water.
Described new type block material, with cement is that main cementitious materials is made, meet wall reform to energy-conservation, joint soil, the sharp useless porous alkaline basal plane building wall material that requires, comprise concrete hollow block, Autoclaved aerated concrete blocks, small lightweight hollow concrete blocks, sand lime brick etc.The structure of block material structure should meet the requirement (GB50003-2001) etc. of design document, national standard " Code for design of masonry strucres ".
Concrete, the CL dry construction is built dedicated mortar by laying bricks or stones, is the constructional materials that is used for the construction of new type block building wall that is mixed with by cement, sand, CL special mortar additive for dry construction and clear water; Its concrete proportioning can be set according to concrete requirement of engineering.
Embodiment 2, and a kind of CL dry construction method of new type block wall coating is provided, its essential characteristic such as embodiment 1, and its difference is that it comprises the steps:
A, cleaning or cleaning new type block body of wall basal plane, present embodiment is to the exterior wall surface construction;
B, preparation stratification degree are less than or equal to zero dry construction Mb special plastering mortar, are about to cement, water or sand, and special mortar additive for dry method construction, and admixture mix and abundant the stirring according to certain ratio, make it to become uniform mixing software;
C, wall coating are about to the special-purpose wall coating mortar of prepared dry construction Mb, directly criticize the surface that is put on described dry wall body, and present embodiment is to criticize to be put on the exterior wall surface.
Described body of wall basal plane also comprises inner surface, upper surface or the soffit of body of wall, can be plane or curved surface.
Special mortar additive for dry method construction in the present embodiment is the aqueous solution that adopts etherate, and concrete is the colloid aqueous solution of cellulose ether, also can be called for short glue.Generally be earlier etherate to be put into water, stirring makes its uniform dissolution become glue, and then mixes stirring with other material, makes mortar.The proportioning of etherate and water can be determined according to requirement of engineering, in the present embodiment, according to weight ratio is: etherate 1: water 50.Also can be with reference to following table:
Table four: the dry method exterior wall plastering mortar match ratio reference of different intensity grades:
| Strength grade | Cement-sand ratio | Water/binder ratio | Fiber g/m 3 | Denseness mm | Wet density |
| Mb20 | 1∶1.5 | 0.45 | 1000 | 74.5 | 1960 |
| Mb15 | 1∶2 | 0.50 | 1000 | 74 | 1900 |
| Mb10 | 1∶2.5 | 0.57 | 1000 | 71 | 1850 |
| Mb10 | 1∶3 | 0.62 | 1000 | 70 | 1870 |
| Mb7.5 | 1∶4 | 0.76 | 1000 | 72 | 1800 |
| Mb5.0 | 1∶5 | 0.90 | 1000 | 73 | 1800 |
" ash " described in the table refers to cement; " water " refers to the aqueous solution of mortar specialist additive.The CL special mortar additive for dry construction aqueous solution, direct spice also can be converted behind the water spice more once more.The allotment of converting water once more of the CL special mortar additive for dry construction aqueous solution of different purposes mortars:
The additive aqueous solution of building wall and motar is mixed the water distribution ratio:
The CL special mortar additive aqueous solution: clear water=1000g: 200L (± 5%)
The additive aqueous solution water distribution ratio of smallpox motar:
The CL special mortar additive aqueous solution: clear water=1000g: 150L (± 5%)
The additive glue water distribution ratio of mending mortar:
The CL special mortar additive aqueous solution: clear water=1000g: 100L (± 5%)
The solution of the CL special mortar additive for dry construction aqueous solution after secondary is converted water should use up in 72 hours.
Concrete, CL dry construction (interior wall) dedicated mortar of wiping one's face is the interior wall coating material that is used for new type block body of wall dry construction that is mixed with by cement, the special grout additive of CL dry construction Mb, also can add an amount of sand.
CL dry construction (exterior wall) cracking resistance, the impervious dedicated mortar of wiping one's face: the outer-wall crack-resisting that is used for new type block body of wall dry construction, impervious the wiping one's face that are mixed with by cement, sand and polypropylene fibre, CL special mortar additive for dry method construction.Directly stir other material with CL special mortar additive for dry method construction glue.
The admixture that present embodiment adopts is single bundle polypropylene fibre, and admixture is to add 0.9kg/m by mortar volume
3Allotment CL special mortar for dry construction admixture---the adulteration method and the requirement of single bundle polypropylene fibre: fiber is put in the mortar mixer and the dry mixing of going ahead of the rest of cement, aggregate sand by every cubic metre of 0.9kg, added the additive glue then and together stir.
Prepare joint provisions before constructing for the present invention with technical condition:
A. in the transportation of hollow brick, Autoclaved aerated concrete blocks, small lightweight hollow concrete blocks, sand lime brick etc., the cargo handling process, forbid throwing and toppling over.Should stack respectively neatly by kind, specification after marching into the arena, stacking height should not surpass 2 meters, and carries out protection against the tide, waterproof measure, keeps dry state in building use by laying bricks or stones to guarantee building block;
B. build the working site by laying bricks or stones if any weather part, the anti-rain measure be arranged, and be maintained to engineering and finish;
C. the body of wall that carries out the plastering on inner walls construction should reach the length of time that acceptance criteria requires, and carries out anti-rain, anti-water logging measure, keeps dry state with body of wall in the true plastering on inner walls process;
D. when the denseness of mortar when 70mm is following, the 28d of this CL special mortar for dry construction does not have bed die compressive strength and has bed die compressive strength difference very little, available have bed die compressive strength to evaluate strength grade at the bottom of the mortar;
E. be the adhesion strength of true reflection mortar and novel wall material, should select for use the mortar of true denseness to carry out bonding strength test for the CL masonry mortar of dry construction;
F. be the time of setting of true reflection mortar, should select for use the mortar of true denseness to carry out test time of setting for the CL special mortar for dry construction.Because consider the factors such as operable time in worker's method, be decided to be 5～10 hours the time of setting of this CL masonry mortar;
G. for increasing the cementitiousness of exterior wall plastering mortar and masonry, reduce the hollowing of mortar and the generation of problems such as coming off, can consider to adopt the CL dry method exterior wall plastering mortar of higher cement-sand ratio;
As the described method of above-mentioned embodiment; adopt with this embodiment in the close or other materials that is equal to of the material that provides; adopt with this embodiment in provided close or the method that is equal to, the proportioning that perhaps adopts this embodiment to provide is prepared, also within protection domain of the present invention.
Claims (10)
1. the dry construction method of a new type block body of wall, comprise the dry construction method of new type block building wall and the dry construction method of new type block wall coating, it is characterized in that the dry construction method of described new type block building wall comprises the steps:
A, preparation new type block material are promptly prepared without the moistening block material of doing that waters in advance;
B, preparation stratification degree are less than or equal to zero dry construction Mb special masonry mortar, are about to cement, sand, water and special mortar additive for dry construction, mix also according to a certain percentage and fully stir, and make it to become uniform mixing software;
C, build the new type block body of wall by laying bricks or stones, be about to the block material done,, build into the dry wall body by laying bricks or stones with prepared dry construction Mb special masonry mortar.
2. the dry construction method of new type block body of wall according to claim 1 is characterized in that, the dry construction method of described new type block wall coating comprises the steps:
A, cleaning or cleaning new type block body of wall basal plane;
B, preparation stratification degree are less than or equal to zero dry construction Mb special plastering mortar, are about to cement, water or sand, and special mortar additive for dry method construction, and admixture mix and abundant the stirring according to certain ratio, make it to become uniform mixing software;
C, wall coating are about to the special-purpose wall coating mortar of prepared dry construction Mb, directly criticize the surface that is put on described dry wall body.
3. the dry construction method of new type block body of wall according to claim 1 and 2, it is characterized in that, described special mortar additive for dry method construction is meant to be used for admixing in the cement mortar, to make the stratification degree of common building cement mortar be equal to or less than zero, to be suitable for the chemical complex of dry construction.
4. the dry construction method of new type block body of wall according to claim 3, it is characterized in that, described chemical complex is that etherificate class chemicals is the mixture or the aqueous solution of etherate, and described etherate is one of following etherate: a kind of, the compound that adopts several etherificate class chemicals to be formed in the etherificate class chemicals.
5. the dry construction method of new type block body of wall according to claim 4 is characterized in that described etherate is a cellulose ether; The mixture of described etherate is the even solid mixture that forms that mixes of etherate and at least a inserts, and described inserts is powdery or the granular solids article that are used for filling etherate.
6. the dry construction method of new type block body of wall according to claim 2 is characterized in that, described admixture is the polymer composite goods of the cracking resistance that is used for strengthening described special mortar for dry construction, impervious ability.
7. the dry construction method of new type block body of wall according to claim 6 is characterized in that, described polymer composite goods are polypropylene fibres.
8. the dry construction method of new type block body of wall according to claim 1 and 2, it is characterized in that, the certain proportion of described preparation mortar, weight ratio by each component is: establishing cement is 1 unit of weight, sand is 0～6 unit of weight, water is 0～10 unit of weight, and additive is 0.5～10 unit of weight; Admixture is to add 0～1.2kg/m by mortar volume
3.
9. the dry construction method of new type block body of wall according to claim 1, it is characterized in that, described new type block material, be to be that main cementitious materials is made with cement, meet wall reform to energy-conservation, joint soil, the sharp useless porous alkaline basal plane building wall material that requires, comprise concrete hollow block, Autoclaved aerated concrete blocks, small lightweight hollow concrete blocks, sand lime brick.
10. the dry construction method of new type block body of wall according to claim 2 is characterized in that, described body of wall basal plane comprises inner surface, external surface, upper surface or the soffit of body of wall.
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| US5802792A (en) * | 1995-09-21 | 1998-09-08 | Fielding; David W. | Drywall construction and means therefor |
| CN1458183A (en) * | 2003-05-27 | 2003-11-26 | 韩金顺 | Quick soluble dispersive emulsoid powder and its producing method |
| JP2005029955A (en) * | 2003-07-07 | 2005-02-03 | Smart Bricks Kk | Dry construction method of brick wall |
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| Publication number | Publication date |
|---|---|
| CN1687548A (en) | 2005-10-26 |
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