CN102505842A - Anti-cracking wall body and construction method for same - Google Patents
Anti-cracking wall body and construction method for same Download PDFInfo
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- CN102505842A CN102505842A CN2011102908830A CN201110290883A CN102505842A CN 102505842 A CN102505842 A CN 102505842A CN 2011102908830 A CN2011102908830 A CN 2011102908830A CN 201110290883 A CN201110290883 A CN 201110290883A CN 102505842 A CN102505842 A CN 102505842A
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Abstract
The invention discloses an anti-cracking wall body and a construction method for the same, and belongs to the field of construction engineering. The construction method for the anti-cracking wall body comprises the following steps of: selecting a firm construction foundation; coating a flexible adhesive between wall slabs to be mounted to realize complete adhesion; embedding a grid-shaped metal mesh in shallow grooves at two sides of a joint; and using flexible latex and an anti-cracking fiber mesh to perform surface treatment. The invention also provides a plurality of methods for stabilizing the wall slabs, such as measures for anchoring a reinforcing rib between the wall slabs, embedding an integrally connected clamping piece into the bottom or top of a wall slab, and firmly embedding the bottom or the top of the wall slab into a clamping plate and the like; an elastic filler can also be arranged between the wall slab and a structural column; and the mounted wall slabs are connected to form a whole as firm as possible. According to the anti-cracking wall body produced by the construction method, external forces can be scattered to realize uniform distribution, so that disturbance from the external forces can be reduced and resisted to the maximum degree, and a larger stress and deformation amount can be borne, and therefore cracking property of the joint is greatly lowered.
Description
Affiliated technical field
The present invention relates to the body of wall that wallboard is processed, belong to building engineering field, especially refer to the body of wall of anti-cracking, the invention still further relates to the job practices of this body of wall.
Background technology
Because the development of environmental protection requirement and New Building Materials; Compound novel wall material is current and Future Development trend; Job practices also will be upgraded thereupon, and like traditional lightweight bar board construction method, at first joint treatment: slurry is filled out in (1): with the erase dust on wallboard tongue and groove surface of wet cloth; Water is fully scrubbed tongue and groove moisteningly then, polymer mortar is put in the groove of wallboard again.(polymer mortar has two kinds: A. cellulose and cement admixture, the polymer mortar that fine sand is modulated into according to 1: 1 ratio; B. ordinary Portland cement, fine sand, building 108 glue are by the polymer mortar that is modulated at 1: 2: 0.4); Must let two blocks of battens fully be close to, make polymer mortar to extrude when (2) shove, light lath laterally dock, must guarantee that the mortar of plate seam is full from seam.(3) jointing scrapes off protrusion wallboard face polymer mortar, and ticks the seam mouth, generally is lower than plate face/4-5mm; (4) grouting behind the light lath partition wall maintenance certain hour, can be removed the dust of joint surface, squirts the seam mouth with gondola water faucet, polymer mortar is embedded fullly on the seam mouth of light lath with scraper again; (5) seam after the A. polymer mortar parches fully, is bonded at defend and split fibre grid band on the seam mouth with white glue with vinyl, and scrapes off unnecessary white glue with vinyl.After treating that defend and split fibre grid band parches fully, with white glue with vinyl perforated paper tape is bonded on the seam mouth again, and scrapes off unnecessary white glue with vinyl and remove the bubble under the paper tape; B. with filleting putty the seam lath is sticked on seam mouth place, adjustment seam lath and light lath planeness; With white glue with vinyl defend and split fibre grid band is pasted again and be bonded on two seams of seam lath and light lath; Last scraping at defend and split fibre grid belt surface smeared the very thin putty of one deck; C. the wire gauze bar is embedded in the seam of light lath, with the fixing wire gauze bar of self-tapping screw; It is fully floating to hang the groove of netting with cement mortar then; With white glue with vinyl defend and split fibre grid band being sticked on the seam mouth again, scrape at defend and split fibre grid belt surface at last and smear the very thin putty of one deck, secondly. wallboard is installed and is fixing: mainly pass through fixedly light lath of polymer mortar and anchor rib.
Owing to expand with heat and contract with cold, a variety of causes such as air humidity, foundation settlement and construction material job practices; Phenomenon such as adopt the body of wall of wallboard construction to be easy to produce crack, hollowing, to peel off; Especially between the wallboard and more obvious between wallboard and the structure cylinder (comprising the building that floor, top layer etc. are connected with wallboard); Though these phenomenons can not influence safety, directly influence the sound-and-fire proof function of attractive in appearance and body of wall, can't let the people accept; Even cause dispute, wallboard is applied brought negative consequence.
Many technician's broad research and practice are arranged for this reason, as high auspicious bright application on April 6 in 2004 the name be called " novel anticracking Light trabs and mounting method " ((number of patent application: CN200410023882.X), notification number: CN1563625; Open day: 2005.01.12) patented technology, this disclosure of the Invention novel anticracking Light trabs and mounting method, the wallboard both sides are provided with groove; Be provided with a plurality of parallel through holes in the wallboard, the forward and backward both ends of the surface of wallboard are provided with the low-carbon (LC) galvanized steel wire netting, it is characterized in that the base-material of wallboard is made up of cement, flyash, plastics vacuolar membrane, auxiliary chemicals; Mounting method is: wallboard is holded up, and the inwall of Xiang Zhukong is smeared lean concrete grout, fills bonding agent in the Xiang Zhukong; It is floating with seam with the seam bonding agent to strengthen the back with the low-carbon (LC) galvanized steel wire netting, fills watering every days 5 in back 5 days, makes cementing agent keep moist; Avoid dry; The seam area of wallboard of the present invention is 1.3～5.3 times of conventional wallboard area, because the increase of seam area more can make wallboard connect into an integral body; The shrinkage stress that the wallboard internal construction is produced is effectively alleviated, and has improved body of wall overall structure breaking resistance effectively.
Also have the name of Shenzhen Construction's application on February 20th, 2009 to be called " a kind of light slat anti-crack construction method " ((patent No.: CN200910105514.2); Notification number: CN101532312; The day for announcing: 2009.09.16) patented technology; This invents a kind of light slat anti-crack construction method, solves batten plate seam technical problem easy to crack in building construction process.The technical scheme that adopts is; This job practices adopts polymer cement mortar as joint filler, adopts waterproofing slurry secondary raking at the batten edge joint position, and pastes defend and split fibre cloth; Concrete grammar is included in the limit, contact surface upper edge of batten and batten or batten and the face of building a wall and completely starches the full polymer cement mortar of smearing one deck 10mm with stitching; Adopt hyposphene top board method assembly unit batten, be crowded with polymer cement mortars, fill up and wipe off the metope piece with the twice waterproofing slurry at all splicing seams places; After waterproofing slurry solidifies; On waterproofing slurry, be coated with one deck 108 glue earlier, on 108 glue, paste alkali resistant glass fibre open weave cloth then, with polymer cement mortar the groove of batten is filled and led up at last.
The reason of analysis wall crazing etc.: (1) pulling force destroys: conventional method is at the tongue and groove filled polymer mortar of wallboard, and the elasticity of polymer mortar and viscosity are less relatively, and the seam wallboard and the wire gauze of seam mouth almost do not have elasticity.After polymer mortar parches fully, have slight contraction, add the influence that wallboard receives ambient temperature.Therefore when wallboard wall after maintenance a period of time; Because the elastic deformation amount of polymer mortar viscosity deficiency, seam lath and wire gauze is less; Convergent force is greater than adhesion stress (polymer mortar) and pulling force (seam lath or wire gauze); Amount of contraction surpasses the expansion limit of wallboard seam, just causes the wallboard seam crossing slight crack to occur; (2) shearing force is destroyed: conventional method at first is on-the-spot unwrapping wire, with polymer mortar and anchor rib wallboard is installed and fixed then; Before polymer mortar parches fully, must do interim fixing to wallboard with timber wedge.Therefore, the wallboard partition wall is difficult to guarantee the favorable linearity glacing flatness, and the tongue and groove between the wallboard neither be parallel to each other.So just must cause the seam mouth of most of wallboard all to receive the phenomenon that shearing force is destroyed; (3) distortion power destroys: conventional method is when installing wallboard; Can only lean on the rigidity of polymer mortar, interim timber wedge and mason's handicraft guarantee horizontal glacing flatness (promptly see from positive facade, whether parallel between the tongue and groove of the whether parallel and wallboard side of wallboard bottom surface and flooring.) therefore, can't guarantee that the good horizontal glacing flatness will cause the seam mouth up big and down small or up-small and down-big.When slight sedimentation appearred in wallboard, the polymer mortar of seam mouth, seam lath or wire gauze received distortion power and destroy the phenomenon that will occur ftractureing,
Above-mentioned prior art is not owing to solve the basic reason of wall crazing, or the employing all standing job practices that has, and increases unnecessary cost, and the difficulty of construction that has is big, actually prevents that cracking also is difficult to reach promising result.
Summary of the invention
The present invention is directed to the deficiency of easy to crack, anti-cracking method complex effects difference in the construction of existing wallboard etc.; Unfavorable stress such as pulling force that a kind of minimizing causes cracking, distortion power, shearing force are provided; Outstanding effect job practices, and the anti-cracking body of wall that adopts this job practices to process.
The present invention is achieved in that the anti-cracking of body of wall job practices, it is characterized in that specifically comprising the steps:
(A) select firm construction basis;
(B) anchoring reinforcing rib 3 between the wallboard 1 of required installation, cleaning is installed contact surface, more flexible viscose glue 4 is spread upon respectively on wallboard 1 installed surface;
(C) wallboard 1 of property viscose glue 4 has been smeared in extruding, makes its joint and lets flexible viscose glue 4 fill seam 5;
(D) on the wallboard 1 of seam 5 both sides, tick shallow grooves 6; Latticed wire lath 7 is embedded in the shallow grooves 6; And tamp floatingly with the flexible cement mortar, stick on defend and split fibre grid band on the seam 5 with flexible latex again and scrape and smear the very thin putty of one deck on this surface.
Said flexible viscose glue 4 is viscose glues of a kind of or other similar functions in weather-proof silicone sealant, the flexible-epoxy.
Said latticed wire lath 7 is the rhombus wire gauze, also can latticed wire lath 7 usefulness nail be fixed in the shallow grooves 6.
Said anchoring reinforcing rib 3 passes the intermediate plate 11 that is fixed in the wallboard 1.
Said step (B) deadlight 1 top or bottom embed the fastener 8 that one connects.
In the said step (B) with wallboard 1 bottom, top or bottom with the top is all or part of closely is embedded in the U-shaped draw-in groove 9.
A kind of anti-cracking body of wall is according to the body of wall of above-mentioned job practices making.
Add elastic filler 10 between said wallboard 1 and the structural column 2;
Said elastic filler 10 rock wools, glass wool, foamed glue, polyphenyl plate a kind of.
A kind of anti-cracking body of wall of the present invention and job practices thereof have following beneficial effect:
1. the invention provides the method for multiple firm wallboard; Being included in anchoring reinforcing rib between the wallboard, bottom or top embeds fastener that one connects, wallboard bottom, top closely is embedded in the U-shaped draw-in groove, adds measures such as filling elastic between wallboard and the structural column; The wallboard of being installed is firmly linked into an integrated entity, not only play the effect of location, can guarantee that also body of wall keeps in the form range of linear straight or design; Even disadvantageous external impacts is arranged; Alleviate through adding the filling elastic between wallboard and the structural column, because each wallboard firmly links into an integrated entity, external force is disperseed on the other hand; Evenly distribute, reduce to greatest extent and resist outer force-disturbance;
2. adopt the present invention also to provide and adopt flexible viscose glue measure, flexible viscose glue has better elastic and viscosity, can bear bigger stress and deflection, and then significantly reduces the cracking probability of seam mouth;
The present invention through at the wallboard top or the fastener of bottom one, the middle ways such as anchoring reinforcing rib that adopt fix; Make the horizontal glacing flatness of wallboard and the horizontal glacing flatness of fastener be consistent; Prevent or when reducing the situation that sedimentation occurs to the adverse effect of body of wall; And then avoid the destruction of external force such as distortion power effectively to body of wall; Can dissolve through flexibility, flexibility arrangements such as flexible viscose glue, rhombus wire gauze for expand with heat and contract with cold, humidity etc., the cracking quantity that these measures can reduce the seam mouth usually reaches more than 90%;
4. employing the present invention also provides measures such as employing diamond mesh, compares with the conventional square wire lath; The conventional square wire lath is parallel to each other with the seam mouth or is vertical; In case there is stress to produce, the square metal net can not be with flexible along with wallboard and stretch, when cumulative stress arrives under the situation to a certain degree; The phenomenon that cracking will occur at the seam mouth that some stress is concentrated; And each bar iron wire of diamond mesh is all angled with the seam mouth, and when stress produced, each rhombus that constitutes the diamond-type metal silk all can be according to the direction distortion of stress; Alleviate the destructiveness that the seam mouth receives stress, therefore also play the effect of the cracking quantity that reduces the seam mouth.
Below in conjunction with accompanying drawing a kind of anti-cracking body of wall of the present invention and job practices embodiment thereof are elaborated.
Fig. 1 is a kind of anti-cracking body of wall seam crossing mounting structure sketch map of the present invention;
Fig. 2 is diamond mesh structural representation among the present invention;
Fig. 3 is structural column and wallboard syndeton sketch map among the present invention;
Fig. 4 adopts one fastener bottom for top among the present invention and adopts U-shaped draw-in groove mounting structure sketch map;
Fig. 5 is for adopting anchoring reinforcing rib and intermediate plate connection structural representation among the present invention.
The flexible viscose glue of 4----; The 5-----seam; The 6----shallow grooves;
The latticed wire lath of 7-----; The fastener that the 8----one connects; 9---U shape draw-in groove;
The 10----elastic filler; The 11----intermediate plate
The specific embodiment
A kind of anti-cracking body of wall of the present invention and job practices principle thereof are: the body of wall connection that at first will guarantee each wallboard of will preventing ftractureing is firm; Otherwise; Good again measure cannot say for sure that all body of wall does not ftracture, and the present invention is employed in fastener that wallboard bottom or top be provided with one, the middle ways such as anchoring reinforcing rib that adopt are fixed, exactly in order to make the horizontal glacing flatness of wallboard and the horizontal glacing flatness of fastener be consistent; And then avoid the destruction of external force such as distortion power effectively to body of wall; The second, to expand with heat and contract with cold, natural phenomena such as humidity is unavoidable, the present invention adopts flexibility, flexibility arrangements such as flexible viscose glue, rhombus wire gauze to dissolve; Can bear bigger stress and deflection, and then significantly reduce the cracking probability of seam mouth.
Below with novel light batten (wallboard a kind of) job practices; With reference to a kind of anti-cracking body of wall seam crossing structural representation of Fig. 1 the present invention, anchoring reinforcing rib 3 between the wallboard 1 is at the seam 5 filling flexible viscose glues 4 of wallboard 1 interface tongue and groove formation; The rigidity viscose glue vulcanizes or solidifies the solid of back formation; Seldom have elasticity, therefore, the present invention will avoid the use of this rigidity viscose glue; Flexible viscose glue has elasticity and flexibility after sulfuration.Flexible viscose glue comprises weather-proof silicone sealant or flexible-epoxy, can also be other flexible viscose glues like bouncing putty fluid sealant etc., in case the moisture in the weather-proof silicone sealant ingress of air of one-component will be solidified into a kind of material of tough and tensile rubber-like solid; The bonding force of silicone adhesive is strong, and hot strength is big, has weatherability, shock resistance simultaneously again; With moistureproof, the big characteristics of the cold and hot variation of adaptation; It is than extensive applicability in addition, can realize bonding between most of building material products, so using value is big; Silicone adhesive has multiple color, and color commonly used has that black, porcelain are white, transparent, silver grey, grey, bronze etc.
On the wallboard 1 of seam 5 both sides, tick shallow grooves 6; Latticed wire lath 7 is embedded in the shallow grooves 6; And fully tamp floatingly with the flexible cement mortar, stick on defend and split fibre grid band on the seam 5 with flexible latex again and scrape and smear the very thin putty of one deck on this surface.Practical implementation:
After selecting firm construction basis, anchoring reinforcing rib 3 between the wallboard 1 of required installation, glue is played in (1), with the erase dust on wallboard 1 tongue and groove surface of wet cloth, more weather-proof silicone sealant is beaten respectively on tongue and groove, beats 3-5 bar Jiao Lu according to wallboard 1 thickness; (2) plastic squeeze, wallboard 1 must let two blocks of wallboards 1 fully be close to, make viscose glue 4 to extrude from seam 5 when laterally docking, and must guarantee that the viscose glue 4 of plate seam 5 is full; (3) hang the net plaster, on the wallboard 1 of seam 5 both sides, tick shallow grooves 6,7 of rhombus wire gauze are embedded in the seam 5 of wallboard 1, with the fixing wire gauze bar 7 of self-tapping screw; Fully tamp floating with the flexible cement mortar then the groove of hanging net; With flexible latex defend and split fibre grid band is sticked on the seam mouth, last scraping at defend and split fibre grid belt surface smeared the very thin putty of one deck again.
Be diamond mesh structural representation among the present invention with reference to Fig. 2; Each bar iron wire of diamond mesh 7 is all angled with the seam mouth; When stress produces; Each rhombus that constitutes diamond-type metal silk 7 all can alleviate the destructiveness that the seam mouth receives stress according to the direction distortion of stress, therefore also plays the effect of the cracking quantity that reduces the seam mouth.
Fig. 3 is structural column and wallboard syndeton sketch map among the present invention; It is a kind of connected mode of wallboard 1 and structural column 2; Also can be junction between the body of wall that connects into of a plurality of wallboards 1 and the structural column 2, with adding elastic filler 10 between wallboard 1, the structural column 2, and fill viscose glue 4 at two ends.When the structural column 2 of exterior wall or column under external force (such as the terrestrial gravitation on external shock, the high building etc.) effect; Directly be connected with body of wall like structural column 2; Then external force very easily is transmitted on body of wall or the wallboard 1; Will inevitably have a negative impact to body of wall or wallboard 1, weak link just is prone to produce phenomenons such as cracking.As between wallboard 1, structural column 2, adding elastic filler 10 like rock wool, glass wool, foamed glue, polyphenyl plate etc., can bear bigger outer force-disturbance and deflection, significantly reduce body of wall or wallboard 1 destructive power.
Fig. 4 adopts one fastener bottom for top among the present invention and adopts U-shaped draw-in groove mounting structure sketch map; Top between wallboard 1 embeds the fastener 8 that one connects; This fastener 8 is that cross section is the street of falling U fastener (groove); Certainly be not limited to this shape, can also be embedded between the wallboard 1 at other rectangular fastener, U-shaped draw-in groove 9 is closely installed at 5 places of the bottom seam between the wallboard 1 on the other hand.Present embodiment is merely makes illustrated conveniently; In the practice of construction, can be between wallboard 1, structural column 2 bottom, top or bottom and the top is all or part of all can adopt this way, certainly; Can also take other various ways, such as select arc-shaped slot, oblique angle draw-in groove etc. for use according to the body of wall shape.
Fig. 5. for adopting anchoring reinforcing rib and intermediate plate connection structural representation among the present invention; At first be embedded in intermediate plate 11 at wallboard 1; Reinforcing rib 3 one ends insert another wallboard 1, and all the other adopt the method for using of the anti-cracking of above-mentioned body of wall, carry out the defend and split fibre surface mesh then in the junction and handle.
Certainly, the invention is not restricted to address the embodiment shown in the accompanying drawing, modification and equivalent transformation that the spirit of Fan Yiben creation is done; Or adopt various deformation on this basis; As removing the flexible viscose glue of introducing among the present invention, can also select other flexible glue for use, and on the basis of wallboard fixing measure disclosed by the invention, can also adopt other corresponding ways; Specifically to decide according to field condition, or the like all belong in the protection domain of the present invention.
Claims (10)
1. the anti-cracking of body of wall job practices is characterized in that specifically comprising the steps:
(A) select firm construction basis;
(B) the solid reinforcing rib (3) in shop between the wallboard (1) of required installation, cleaning is installed contact surface, more flexible viscose glue (4) is spread upon respectively on wallboard (1) installed surface;
(C) wallboard (1) of property viscose glue (4) has been smeared in extruding, makes its joint and lets flexible viscose glue (4) fill seam (5);
(D) on the wallboard (1) of seam (5) both sides, tick shallow grooves (6); Latticed wire lath (7) is embedded in the shallow grooves (6); And tamp floatingly with the flexible cement mortar, with flexible latex defend and split fibre grid band is sticked on that seam (5) goes up again and scrape and smear the very thin putty of one deck on this surface.
2. the anti-cracking of body of wall according to claim 1 job practices, it is characterized in that: said flexible viscose glue (4) is weather-proof silicone sealant.
3. the anti-cracking of body of wall according to claim 1 job practices, it is characterized in that: said flexible viscose glue (4) is a flexible-epoxy.
4. the anti-cracking of body of wall according to claim 1 job practices, it is characterized in that: said latticed wire lath (7) is the rhombus wire gauze.
5. the anti-cracking of body of wall according to claim 1 job practices, it is characterized in that: said anchoring reinforcing rib (3) passes the intermediate plate (11) that is fixed in the wallboard (1).
6. the anti-cracking of body of wall according to claim 1 job practices, it is characterized in that: said step (B) deadlight (1) top or bottom embed the fastener (8) that one connects.
7. the anti-cracking of body of wall according to claim 1 job practices is characterized in that: in the said step (B) with wallboard (1) bottom, top or bottom with the top is all or part of closely is embedded in the U-shaped draw-in groove (9).
8. an anti-cracking body of wall is characterized in that: according to the body of wall of the said job practices making of one of claim 1 to 7.
9. a kind of anti-cracking body of wall according to claim 8 is characterized in that: add elastic filler (10) between said wallboard (1) and the structural column (2).
10. a kind of anti-cracking body of wall according to claim 9 is characterized in that: said elastic filler (10) rock wool, glass wool, foamed glue, polyphenyl plate a kind of.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110290883.0A CN102505842B (en) | 2011-09-26 | 2011-09-26 | A kind of crack resistence body of wall and construction method thereof |
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| CN201110290883.0A CN102505842B (en) | 2011-09-26 | 2011-09-26 | A kind of crack resistence body of wall and construction method thereof |
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| CN102505842A true CN102505842A (en) | 2012-06-20 |
| CN102505842B CN102505842B (en) | 2015-11-25 |
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| CN102561691A (en) * | 2012-03-15 | 2012-07-11 | 云南惠丰工程建设有限公司 | Method for eliminating cracking of joint between fair-faced concrete shear wall and masonry |
| CN103088941A (en) * | 2013-01-31 | 2013-05-08 | 福建鑫晟新型建材有限责任公司 | Light insulation batten wall body anti-cracking joint treatment method |
| CN103266689A (en) * | 2013-05-24 | 2013-08-28 | 东莞市彩丽建筑维护技术有限公司 | Construction method and elastic binders for bonding lightweight concrete board wall, and wallboards |
| CN104328916A (en) * | 2014-10-14 | 2015-02-04 | 中国十七冶集团有限公司 | Treatment method for preventing light wallboard from being cracked |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102561691A (en) * | 2012-03-15 | 2012-07-11 | 云南惠丰工程建设有限公司 | Method for eliminating cracking of joint between fair-faced concrete shear wall and masonry |
| CN103088941A (en) * | 2013-01-31 | 2013-05-08 | 福建鑫晟新型建材有限责任公司 | Light insulation batten wall body anti-cracking joint treatment method |
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