CN101016759A - Fiver cement board grouting wall and construction method therefor - Google Patents
Fiver cement board grouting wall and construction method therefor Download PDFInfo
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- CN101016759A CN101016759A CNA2007100005537A CN200710000553A CN101016759A CN 101016759 A CN101016759 A CN 101016759A CN A2007100005537 A CNA2007100005537 A CN A2007100005537A CN 200710000553 A CN200710000553 A CN 200710000553A CN 101016759 A CN101016759 A CN 101016759A
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention discloses a lightweight nonbearing grouting wall and its construction method for inner walls of buildings, comprising a lightgage steel joist or C-shaped steel as a framework, two fiber cements covered on two sides, a hollow space within lightweight grouting materials by special equipment, and a skin layer decorated and dealt directly. The wall has a simple structure for easy construction and a light weight thereby reducing the cost of entire structure and improving the fireproof property up to 2.5 hours or more and the sound insulation property as 40dB, therefore the invention is an inner wall construction with higher utility and economic profit.
Description
Technical field
The present invention relates to a kind of fiver cement board grouting wall, is a kind of nonweight-bearing lightweight grouting wall that inner wall of building uses, and upper classification number is " wall of building " E04B2/00, is subdivided into E04B2/74.
Background technology
At present, the interior wall processing mode of domestic construction thing, approximately can be divided into following several, that is: body of wall in body of wall and the calcium silicate board with microporous in body of wall, the gypsum plank in the brick interior wall, GRC interior wall, composite light-weight scutum interior wall, light block, below with regard to the merits and demerits division of above-mentioned body of wall it:
One, brick wall: still be the most widely used domestic inner wall of building so far, along with the continuous development of society, building covers higher and higher, and the shortcoming of brick wall is also more and more obvious, certainly will be replaced by other structures in the future.Its shortcoming mainly shows:
The brick wall body of wall is too heavy, and is very big for the dead load increase of building itself, causes the building design strength to improve greatly, integrally-built huge, causes the increase of construction expenditure undoubtedly.So the building to high floor has very large shortcoming.
Firing of common brick needs a large amount of clays, and expense is fallen a large amount of land resources of China, and this also is it with one of reason that steps down from the stage of history.
The common brick interior wall all is a site operation, and the control of its quality requirements is difficult for, and the duration is longer, society now for the more and more higher trend of quality requirements in, can't satisfy people's demand.
The construction of common brick interior wall needs a large amount of artificial, and for today that labour cost grows to even greater heights, seeking other interior wall structure that can substitute has been imperative.
Two, GRC body of wall and composite lightweight wall plate: two kinds of wall performances are similar substantially, though advantages such as this body of wall tool weight is light, body of wall is thin, job site cleanings, its shortcoming is also more obvious, mainly shows:
Intensity descended when the GRC body of wall was moist, and the alkali resistant fiber easily is corroded when moist, and water resistance is poor.Composite lightweight wall plate is good slightly.
Two kinds of body of wall hydropower installation troubles after wall constructions such as need are finished, are dug again and are buried pipeline raggle reparation trouble underground.
The wallboard specification is 600*3000, and the heavily about 110KG of wallboard is difficult for carrying, installs and fixes difficulty.
GRC body of wall hanging force is low, and the body of wall annex can't be installed.Composite lightweight wall plate is good slightly.
Three, light block body of wall; This body of wall except that sound insulation and fireproof performance better, other shortcoming is a lot, mainly shows as:
Body of wall in the light block, body of wall is thicker, takies the interior space.
Water resistance is poor, and the construction site construction with waterproof requirement is quite bothered.
Water power construction trouble after wall constructions such as need are finished, is dug body of wall again and is buried pipeline underground, raggle reparation trouble.
Blockyard production, freight volume takes increase.
Hanging force is low, and the body of wall annex can't be installed.
Weight is big, overall structure expense height.
Four, gypsum plank internal partition wall and calcium silicate board with microporous internal partition wall, it is in light weight, and body of wall is thin, and construction is fast, and cost is low, the job site cleaning.Its shortcoming is that waterproof, fire prevention, sound insulation value are poor, and hanging force is low, and antidetonation, impact resistance are poor.
Summary of the invention
For solving the technical problem that exists in the above-mentioned prior art, the present invention proposes the technical scheme of rationalization, this scheme has following characteristic and advantage:
Thickness of wall body approaches (87MM), can save indoor usage space.
(70KG/M2) in light weight can reduce the overall structure cost.
Excellent and domestic other products of fireproof performance detect fire endurance greater than 2.5 hours through national fixed fire extinguishing system and fire retarding component quality supervision and test center.
Sound insulation value is good, detects greater than sound transmission loss greater than 40DB through Tongji University of Shanghai Automobile Factory noise and vibration engineering center.
Hydroelectric line is installed can be pre-buried in advance, once finishes.
The fiber cement board specification is 1220*2440, and heavy only is 25KG, convenient in carrying.
The plate mouth leaves tongue and groove, is convenient to joint treatment.
The surfacing of plate need not be handled.Can directly carry out interior trim.
The single-point hanging force is greater than 50KG, directly sticking brick or dry-hang stone and other body of wall annex.
Because have lightgage steel joist to strengthen in the body of wall, so body of wall is flexible, impact resistance and shake-proof ability are all very strong.
Because adopt dry construction, the job site is very clean.
The body of wall waterproof construction is simple, and water resistance is good.
Above-mentioned characteristic all detects through a large amount of practice of construction experiments and Verification Department, and as needs, the inventor can provide detailed experimental data and verify data and proof.
Fiver cement board grouting wall construction among the present invention, it is made of keel, fiber cement board, lightweight grouting material, and wherein fiber cement board is installed on the keel both sides, and lightweight grouting material is poured into wherein.This body of wall gross thickness is 87mm, and body of wall uses the 75mm keel, and the fiber cement board of the thick 1200mm * 2400mm of individual layer 6mm is respectively installed on the keel two sides, is perfused with lightweight grouting material in the middle of the keel.
Keel adopt lightgage steel joist or " C " shaped steel skeleton, and keel adopt the wide lightgage steel joist of 75mm, and its spacing is generally 400mm according to the concrete needs of engineering.Lightgage steel joist or " C " shaped steel skeleton are that the steel sheet with thickness 0.6-2mm is a base material, and be repressed and form the rod member of different section, again the works of the born external force that combines with welding or interlocking mode.Vertical keel perforate in the keel should be adopted " H " type hole as far as possible.
Fiber cement board is gypsum plank or other various artificial synthetic fiber cement plates, uses the project plate of 6mm * 1220mm * 2440mm, panel density: 1390kg/m
3Fiber cement board is mainly made by portland cement, string, meticulous quartz sand and water high temperature, and this product Main physical performance is: moisture content: 7% (under the EMC condition), and sound insulation value: 6mm is 25db, 9mm is 29db, panel density: 1.390kg/m
3(under the EMC condition), water absorption rate: 0.04%, bending property: minimum bending radius: 1800mm (is example with 6mm), coefficient of thermal conductivity: 0.17w/ (m.k), surperficial suspension force: 20kg (is example with 6mm) heat-proof quality: 0.020m
2K/w, fireproof performance: the GB8624A level is not fired, and flexural strength is vertical 14Mpa, horizontal 22Mpa, average 18Mpa.
The compound that lightweight grouting material can be made up of Poly dragon EPS particle (Polystyrene), cement, yellow ground, flyash, water.Lightweight grouting material also can be the mixture of dilatancy foamed polystyrene globule, cement mortar and flyash.It is in construction, and the slurry weight proportioning of every square metre of body of wall is: cement: 15kg, sand: 15-3Kg, EPS particle: 0.8-1kg, water 11.5-12kg, flyash 5-6.4kg.In the lightweight grouting material, cement adopts 32.5 grades of Portland cements, yellow ground adopts the medium coarse sand of cleaning, the clean tap water of hydromining, during water, material property is as the criterion in the partition wall not influence to answer sample examination in adopting the river course, and the EPS particle should be full, particle diameter about 5MM, must not have go mouldy, phenomenon such as caking; Flyash should satisfy: fineness (45 μ m square hole screens tail over): smaller or equal to 12, loss on ignition is smaller or equal to 5%, and water content is smaller or equal to 1%, and sulfur trioxide content is smaller or equal to 3%.Fiber cement board is installed on lightgage steel joist or " C " shaped steel skeleton both sides and lightgage steel joist or " C " shaped steel skeleton is embedded in its structure, and surface decoration material directly is layed in the fiber cement board outside.Fiber cement board is fixed on lightgage steel joist or " C " shaped steel skeleton in countersunk head self-tapping screw interlocking mode.Use the self-tapping screw fixed plate, screw spacing＜200mm.
This fiver cement board grouting wall construction within the walls comprises: lightgage steel joist or " C " shaped steel skeleton, it is that steel sheet with thickness 0.6-2MM is a base material, the rod member of the repressed different section that forms, the works of the born external force that combines with welding or mode such as interlocking again; Fiber cement board is installed on light steel frame both sides and light steel frame is embedded in its structure, and surface decoration material directly is layed in the fiber cement board outside; Lightweight grouting material is the compound of EPS (Poly dragon), cement, yellow ground, flyash and water.Fiber cement board is layed in light steel frame both sides, wherein records lightweight grouting material again, to make it to form compact structure.
Fiber cement board is fixed on the light steel frame in countersunk head self-tapping screw interlocking mode.
Fiber cement board can be gypsum plank or other various artificial synthetic fiber cement plates.
Above-mentioned lightweight grouting material is dilatancy foamed polystyrene globule, the mixture of cement mortar and flyash.
The wiping dummy stack is pasted perforated paper tape on dummy stack in meeting the envelope place, and pushes and make it stick on the dummy stack fully; Treat that the bottom dummy stack scrapes second layer dummy stack after dried slightly, and beat scrape smooth.
The construction sequence of fiver cement board grouting wall construction is as follows:
One, setting-out:
1) under the prerequisite of being familiar with the design drawing that the owner provides, carry out the drawing joint hearing, determine the setting-out scheme;
2) place level and vertical reference line at the construction field (site) according to design drawing and drawing joint hearing file;
3) according to reference line measuring partition wall and door and window hole position;
Two, keel are installed
1) carries out keel blanking and batching by the drawing design size;
2) according to reference line earlier with the fixing world keel of ail gun.Ru Yanding and during out-of-flatness, adopts cement mortar levelling in 1: 2 along ground waits to reach installation again after the intensity;
3) between the keel of the world, vertical keel are installed by certain spacing (400MM);
4) spacing of adjustment keel.The keel spacing with in-in be as the criterion;
5) vertical keel are fixed on the keel of the world with countersunk head self-tapping screw or rivet;
Three, fixed gate window frame:
1) " U " type keel is cut off along limit, the edge of a wing and upwards bent to reinforce doorframe and window frame;
2) " U " keel at lintel place are cut off and bent downwards along limit, the edge of a wing to form lintel;
3) will bend good " U " type keel is fixed on the vertical keel;
4) be embedded in batten or strengthen keel at the vertical keel of " C " type to reinforce doorframe and the installation of being convenient to doorframe
Four, pipeline is installed:
1) pipe clamp with fixed pipelines is fixed on the keel;
2) lay relevant spool;
3) install and fix relevant spool junction box;
4) cram gap between pipeline and junction box and fiber cement board;
Five, envelope fiber cement board:
1) carries out the fiber cement board blanking according to keel spacing, size and wall and fiber cement board size;
2) sealing one side fiber cement board, and handle plate well with two-sided tape and connect envelope, in case spillage;
3) 1.2 meters fiber cement boards in envelope opposite side bottom;
4) bottom grouting '
5) seal up portion's remainder again, and handle fiber cement board well with two-sided tape and connect envelope, in case spillage; The thickness of two-sided tape is about 1.5MM, and width and thickness of slab are roughly the same;
Six, irritate lightweight grouting material:
1) match ratio according to the rules and slump preparation raw material stir;
2) start pneumatic mortar machine, the raw material that stirs is put into funnel;
3) record 1.2 meters of bottoms earlier;
4) bottom is recorded to finish and was begun to record the top residue after 30 minutes before 1.5 hours partly.When top remainder height surpasses 1.2 meters, also should record according to 1.2 meters highl stratifications, when overall height is no more than 2 meters, but layering is once recorded and is finished;
5) record should be immediately after finishing with wet sponge with plate face wiped clean.And maintenance cleaned in situ;
6) record and to clean grouting equipment immediately after finishing, guarantee that pipeline is unimpeded;
Seven, connecing envelope handles:
1) with land plaster and 801 glue allotment gypsum putty;
2) paint brush clear water is directly brushed at chamfer site, before moisture content is not absorbed, fill out envelope;
3) the wiping dummy stack is in meeting the envelope place;
4) paste perforated paper tape on dummy stack, and push and make it stick on the dummy stack fully;
5) treat that the bottom dummy stack scrapes second layer dummy stack after dried slightly, and beat scrape smooth.
Before keel were installed, the reply reference line was checked, and performs record, and according to measuring the reference line that setting-out is determined, with the fixing world keel of ail gun, the nailing spacing is controlled at about 300MM, is as the criterion to fixedly secure keel.Along the top keel and along the ground keel must be in same vertical plane (have specific (special) requirements except), when along the top or along ground the out-of-flatness of keel surface of position being installed, cement mortar levelling in available 1: 2 is installed keel after waiting to reach requirement of strength again.
Put into vertical keel successively by spacing 400MM, and itself and world keel are fixed.
Vertical keel should shorten 5-10MM than theoretical length when blanking, forbid vertical keel top and world keel to be combined closely, to prevent owing to building settlement destroys partition wall.
The open slot of the vertical keel of one face wall per pass should be towards a direction, except that last is reverse.
When vertical keel length is not enough, allow spreading, use the world keel overlapping spreading of lap length more than or equal to 600MM, in both sides with rivet or screw.
Vertical keel such as need perforate again when passing through for bigger more multi-line, must be adopted Tapper, and opening diameter forbids to surpass 3/4 of perforate face width degree.When needing contractors such as water power, air-conditioning to cooperate, should assembling separately after vertical keel installation immediately, pipeline and wiring close.
Keel in the door and window hole position should be encrypted, and the spacing of adjacent two keel in door and window hole both sides should be greater than 150MM." U " keel of door and window hole position must not be cut, and should cut off the edge of a wing and bend up and down to reinforce the door and window hole.
When or oblique angle vertical with partition wall was connected at partition wall, keel must be fixed on the keel, must not be fixed on merely on the PRIMA plate.Perforate on the vertical keel must all turn down to both sides before shrouding.
In the vertical keel of body of wall suspension member positions such as needs installation built-in wardrobe, air-conditioning, want mount type steel plate or prefabricated batten, increase bearing capacity of wall body to enlarge lifting surface area.
In the position that waterproof requirement is arranged, to place fluid sealant between keel and Yan Ding, ground, edge and body of wall.After the keel installation, report relevant departments to do subsurface work acceptance.
The reserved locations such as position, door and window hole of reply keel are checked before shrouding, and perform record and report relevant departments to authorize.Because of fiber cement board plate transverse bending strength (22Mpa) greater than vertical flexural strength (14Mpa), so panel is wanted the horizontal cross placement, and two sides interlace mode shrouding.
Below distance ground level 300MM, self-tapping screw is fixed with the spacing of 50MM, fixes with the 100-150MM spacing more than the 300MM height, and head of screw and plate face are flat.Must not high ejecting plate face and low and plate face, because the too high decoration construction that influences the back.Cross the low plate face intensity that influences.Screw should be more than or equal to 12MM apart from the distance of panel edges.
The panel of door and window hole position flushes the mode shrouding with " L " type or the cutting of " H " type.
Wiring close and cross the wall coil line position should adopt fluid sealant cram that wiring is closed and pipe and plate between the slit.
The vertical height of a plate at the top of body of wall should be than the low 5-10MM of theoretical level in case building sink, plate with along the slit between the top in fact with the fluid sealant embedding.
In the position that waterproof requirement is arranged, real between plate and Yan Ding, ground, edge and the body of wall with the fluid sealant embedding.The thickness of fluid sealant is that 3-5MM is advisable.
The meeting the envelope place and should place two-sided tape of plate and plate, the thickness of two-sided tape is 1.5MM, and the thickness of width and plate is roughly the same, in case the leak-stopping slurry.
The plate that grout hole is arranged is preferably in and installs after the hole is held on ground successfully, and it is too big that grout hole should not be opened, in case spillage.
The vertical abutment joint of plate and the plate overlap joint that must interlock is forbidden heavily to stitch, and the vertical abutment joint of plate and plate must be positioned at vertical keel place, and overlap joint must not soar aloft.Be screwed along the seam both sides.
The position of hanging annex is being arranged, should on panel, make eye-catching mark, but can not pollute the plate face with as prompting.Panel reports relevant departments to check and accept after finishing by the related request sealing.
When the preparation reperfusion serosity, match ratio in accordance with regulations takes by weighing specified raw material with the utensil of weighing, and drops in the mixer and stirs, and material usage is forbidden to estimate by the order side.The yellow ground that is used to stir lightweight grouting material must must not contain other foreign material such as stone, clod through screening, and cement must not have lump, and EPS must not have phenomenons such as the caking that goes mouldy, and water should be clean water.The stirring of lightweight grouting material must evenly forbid to occur the EPS whiting.
The slump machine of lightweight grouting material is recorded and generally is controlled at about 10, and is unsuitable excessive, as caning be controlled in about 8 with manually recording slump
Lightweight that mixer stirs grouting material also will ceaselessly stir after putting into barrel with Louing, separates with mortar to prevent EPS.
When recording the body of wall top, excessive for preventing lightweight grouting material, can suitably reduce slump, can get with machine and be advisable.
If the lightweight of mixing and stirring grouting material is too of a specified duration standing time, forbidding to stir again and being used for engineering of segregation phenomenon appears.
The various raw material that are used for grout wall must have product certificate and quality certificate, must carry out retrial as the need retrial.Treat that retrial can use after qualified.
Lightweight grouting material should be made the pressure testing piece by relevant regulations, and the pressure testing piece should be randomly drawed, and must not do in addition.
Mix and stir lightweight grouting material and should set up relevant machine account, clear and definite responsible person concerned.
During grouting construction, lightweight grouting material is tackled last procedure and is carried out an acceptance inspection recording before, can record after up to specification.Lightweight grouting material answers that layering is staggered records, and lift height is about 0.2 meter-0.5 meter, and once record highly should be above 1.6 meters for maximum.
Once grouting is finished and was recorded next time lightweight grouting material after 30 minutes before-1.5 hours, should not too early also should not be slow excessively.Lightweight grouting material is recorded and is finished that not handy any hard thing beats the plate face in 7 days, peels off with the plate face to prevent lightweight grouting material.Excessive during grouting in the mortar of plate face, should carry out wiping with wet sponge immediately after finishing recording, to guarantee plate face cleaning.The hole that remains for recording lightweight grouting material in advance answers gradation with the levelling of straight cement mortar, and standard and plate face are put down.
Each pipeline duct and junction box place, excessive if any mortar, should in time clear up, guarantee each duct and junction box cleaning.Be exposed to the perforate of the outside vertical keel of part, should before grouting, use rubber belt sealing.In case spillage.
After construction, in the joint treatment process, should conscientiously clear up the cement paste that seam crossing overflows, keep the cleaning of seam crossing.Paint brush with the chamfer site of the direct brush of clear water, carry out joint filling before or being absorbed in water evaporates in seam.
The position that needs joint filling to handle is expected in the wiping joint filling rapidly, the about 1MM of thickness of wiping filler seam.
After the first road filler seam wiping is finished, (time interval must not be above 15-20 minute, the concrete time is depended on the temperature and the air humidity of job site) perforated paper tape is sewed on by being pressed in filler, and perforated paper tape is pressed into it is close to fully till filler sews on smearing greasy scraper or pointing.
Smear can the wiping second road joint sealing material after having pressed perforated paper tape on perforated paper tape, the joint sealing material thickness of wiping is approximately about 1MM, with joint sealing material beat scrape handle smooth, with seam crossing with the plate face is flat is as the criterion.
The lightweight grouting wall can be decorated processing through 48 hours behind dried solid the stablizing after joint treatment is finished.
In the technique scheme compared to prior art, standard the specification of each member, consumption, proportioning or the like each parameter, make technical scheme of the present invention possess outstanding substantive distinguishing features and obvious improvement, now be expressed as follows:
1. lightweight, economy
The unit weight of fiver cement board grouting wall has only 650-800Kg/m
3Weight is 1/6 of general solid wall, can reduce the cost of basis, structure in a large number. in addition fiver cement board grouting wall increases the usable floor area of the interior space, characteristics such as construction simple and fast can reduce the cost of integrated engineering in a large number. and therefore, such body of wall is become free body of wall in the industry.
2. fire prevention
The project plate that employing A level is not fired is as panel, and the fire endurance of system can require to design according to difference, and fire endurance reaches as high as four hours.
3. sound insulation
The grouting material and the panel of body of wall inside all have good sound insulation property, and the thick fiver cement board grouting wall sound insulation property of the then more superior .87mm of the sound insulation property of system just can compare favourably with the thick common solid wall of 120mm.
4. firm, antidetonation, shock resistance
Adopt the good project plate of shock resistance as panel, the lightgage steel joist structure is as skeleton. the grouting material of inner tight combination, making grout wall integral body very firm, have outstanding shock resistance than common Light trabs. whole anti-seismic performance is equivalent to ten times of common masonry panel.
5. increase the usable floor area of the interior space
Fiver cement board grouting wall generally adopts the thick system of 87mm, takies a half space less after plastering with the 120mm masonry wall. that is to say that use fiver cement board grouting wall, about 12 meters of every prolongation can increase 1m
2Usable floor area, utilization rate increases 8.3%.
6. construction is simple, quick
What fiver cement board grouting wall used is the system of on-the-spot grouting, use the mechanized operation of pump mechanical irrigation slurry, horizontal feed grouting material can reach 250 meters, vertical transport can reach 100 meters, that is to say to build thirty-story-tall building, only need use the pump machine just the grouting material can be poured in all bodies of wall in the 1st building, save a large amount of transportations, vertical transport, the artificial and time of installation. the job site is clean and tidy, reduces building waste.
7. hydroelectric line is installed fast simple
Hydroelectric line is installed fast simple, once finishes with wall construction, need not to slot once more discharge pipe line, can keep the integrality of wall body structure, can save artificial and time simultaneously.
8. humidity resistance is good, does not chap, and does not give birth to the wall cancer
The moistureproof water resistance of grout wall is outstanding especially can mouldyly not to grow the wall cancer because the project plate that uses the humidity resistance excellence as panel, makes. and the panel of low suction rate of change makes the grout wall surface can not produce the crack. can be used for wet areas such as kitchen, washroom, basement.
9. the Pasting nail is hung:
The fiver cement board grouting wall surface is swabbing directly, also direct sticking brick and hang stone material.Directly nailing or expansion bolt, single-point can hang the 20-50kg weight, and bathroom kitchen tools, air-conditioning etc. are not hung need remake reinforcement.
10. energy-saving and environmental protection
Panel adopts 100% no asbestos, and cold project plate satisfies national GB6566-2001 standard, uses not to be subjected to any restriction.The a large amount of EPS granular polystyrenes that use of grouting material have good heat-insulating property, make the fiver cement board grouting wall heat preservation energy-saving very excellent.
Description of drawings
Fig. 1 is a fiver cement board grouting wall construction process schematic diagram
Fig. 2 is the doorframe scheme of installation
Fig. 3 is construction specification schematic diagram
Fig. 4 is the A-A generalized section of Fig. 3
Fig. 5 is the B-B generalized section of Fig. 3
Fig. 6 is a fiver cement board grouting wall fire performance schematic diagram
Fig. 7 is a fiver cement board grouting wall bottom node schematic diagram
Fig. 8 is a fiver cement board grouting wall top node schematic diagram
Fig. 9 is the connection diagram along top keel and beam
Figure 10 is the processing schematic diagram that discharges water on body of wall and floor
Figure 11-A is the waterproofing work schematic diagram of corner
Figure 11-B is the detailed maps of corner
Figure 12 is the supplying drainage generalized section
Figure 13 is the pipeline node schematic diagram of arranging
The specific embodiment
The lightweight grout wall system construction specification (can regulate under the different construction conditions) of specifically constructing: gross thickness 87mm, body of wall are by 75 keel, and the BMW project plate of the thick 1200mm * 2400mm of individual layer 6mm is respectively installed on the two sides, and perfusion lightweight grouting material is formed in the middle of the keel.
Lightgage steel joist uses 75 wide lightgage steel joists, and spacing is generally 400mm according to the concrete needs of engineering.Cement fibrolite plate uses the project plate of 6mm * 1220mm * 2440mm, panel density: 1390kg/m
3
Screw uses self-tapping screw fixed plate, screw spacing＜200mm.
Grouting material: cement, sand, EPS particle (Polystyrene), water;
Its proportioning reference: (specifically according to the on-site actual situations adjustment)
Cement: 250kg
Sand: 350Kg
EPS particle: 650 litre
Water: 165-185L
Fire endurance: 2.5 hours
The fiver cement board grouting wall: being to be skeleton with the lightgage steel joist, is panel with the fiber cement board, and the inside pours into the mix of EPS, cement, yellow sand and water with specialized apparatus and the body of wall that forms.It has fire prevention, sound insulation, characteristics such as in light weight.
Fiber cement board: mainly form by portland cement, string, meticulous quartz sand and water high temperature are refining
This product Main physical performance is:
Moisture content: 7% (under the EMC condition)
Sound insulation value: 6mm is 25db, and 9mm is 29db.
Panel density: 1.390kg/m
3(under the EMC condition)
Water absorption rate: 0.04%
Bending property: minimum bending radius: 1800mm (is example with 6mm)
Coefficient of thermal conductivity: 0.17w/ (m.k)
Surface suspension force: 20kg (is example with 6mm)
Heat-proof quality: 0.020m
2K/w
Fireproof performance: the GB8624A level is not fired
Flexural strength: vertically: 14, horizontal: 22, average: 18.
Lightweight grouting material is the compound of system that cement, EPS, yellow ground, flyash, water are evenly mixed according to a certain percentage.Lightweight grouting material match ratio (every square of body of wall consumption) commonly used
Record lightweight grouting material and be with special-purpose squash type mud jacking equipment lightweight grouting is expected to be pressed within the walls one working procedure.
Be used for the fiver cement board grouting wall keel, fiber cement board, EPS, cement, flyash, etc. material all must meet existing product standard, and the work certificate of quality inspection department is arranged.Need the necessary retrial of retrial in accordance with regulations.
The accessory that is used to connect keel and keel, keel and plate must be special-purpose, forbids to use other accessories.
The specific requirement of material:
Must not there be corrosion, burr in the keel surface that is used for the fiver cement board grouting wall, and material itself must not have buckling phenomenon, and specification should adhere to specification.Should satisfy the requirement of lightgage steel joist GB/T11981-2001 for building simultaneously.
When the design no requirement (NR), the use of keel should meet the requirement of following table
| Keel specification mm | Plate thickness mm | Keel spacing mm | Body of wall height m | Remarks |
| 75*50*0.7 | 6 | 400 | 3 | |
| 75*50*0.7 | 6 | 300 | 4 | |
| 75*50*0.8 | 6 | 400 | 4 | |
| 75*50*0.8 | 6 | 300 | 5 | |
| 75*50*1.0 | 6 | 300 | 6 | |
| 75*50*1.2 | 6 | 300 | 8 |
The length of keel should be had made to order according to designing requirement, and the perforate of vertical keel should be adopted " H " type hole as far as possible.
Inner skeleton should adopt " C " shaped steel when the body of wall height surpasses 8 meters, and the spreading of " C " shaped steel adopts the welding spreading, and the wall thickness of " C " shaped steel is decided by design according to the partition wall height.When design during no requirement (NR), generally speaking can be with reference to following table:
| Shaped steel specification mm | Plate thickness mm | Shaped steel spacing mm | Body of wall height m | Remarks |
| 120*50*1.2 | 6 | 300 | 8 | |
| 120*50*1.5 | 6 | 400 | 8 | |
| 120*50*1.8 | 6 | 300 | 9 | |
| 120*50*2.0 | 6 | 400 | 9 |
The quality requirement of fiber cement board is as follows:
1, the surface of fiber cement board plate should not have obvious slight crack, bubble, requires smooth surface smooth.
2, the surface requirements color and luster unanimity of fiber cement board plate does not have depression and visible damaged.
3, the thickness of fiber cement board sheet material should adhere to specification
4, the physical property of fiber cement board plate should meet 2,2 requirement.
Cement adopts 32.5 grades of Portland cements
Yellow ground adopts the medium coarse sand of cleaning.
Hydromining is with clean tap water, and during water, material property is as the criterion in the partition wall not influence to answer sample examination in adopting the river course.The EPS particle should be full, particle diameter about 5MM, must not have go mouldy, phenomenon such as caking.
Flyash should satisfy:
1, fineness (45 μ m square hole screens tail over): smaller or equal to 12.
2, loss on ignition: smaller or equal to 5.
3, water content: smaller or equal to 1.
4, sulfur trioxide content: smaller or equal to 3.
The technological process of fiver cement board grouting wall:
Setting-out:
Be familiar with the design drawing that the owner provides, carry out the drawing joint hearing, determine the setting-out scheme.
Place level and vertical reference line at the construction field (site) according to design drawing and drawing joint hearing file.
According to reference line measuring partition wall and door and window hole position.
Keel are installed:
Carry out keel blanking and batching by the drawing design size.
According to reference line earlier with the fixing world keel of ail gun.Ru Yanding and during out-of-flatness, can adopt cement mortar levelling in 1: 2 along ground is installing after waiting to reach intensity.
Between the keel of the world, vertical keel are installed by certain spacing.
Adjust the spacing of keel.The keel spacing with in-in be as the criterion.
Vertical keel are fixed on the keel of the world.
The fixed gate window frame:
" U " type keel are cut off along the edge of a wing, limit and upwards bent to reinforce doorframe and window frame.
" U " keel at lintel place are cut off along the edge of a wing and bent downwards to form lintel.
" U " type keel that bending is good are fixed on the vertical keel.
Be embedded in batten or strengthen keel at the vertical keel of " C " type to reinforce doorframe and the installation of being convenient to doorframe.Pipeline is installed:
The pipe clamp of fixed pipelines is fixed on the keel.
Lay relevant spool.
Install and fixing relevant spool junction box.
Cram the gap between pipeline and junction box and fiber cement board plate.
Envelope fiber cement board plate:
Carry out the blanking of PRIMA plate according to keel spacing, fiber cement board board size and wall size.
Seal a side fiber cement board plate, and handle plate well with two-sided tape and connect envelope, in case spillage.
The 1.2 meters fiber cement board plates in wind opposite side bottom.
Bottom grouting.
Seal up portion's remainder fiber cement board plate again, and handle plate well with two-sided tape and connect envelope, in case spillage.The thickness of two-sided tape is about 1.5MM, and width and thickness of slab are roughly the same.
Irritate lightweight grouting material:
Match ratio according to the rules and slump preparation raw material stir.
Start pneumatic mortar machine, the raw material that stirs is put into funnel.
Record 1.2 meters of bottoms earlier.
The bottom is recorded to finish and was begun to record the top residue after 30 minutes before 1.5 hours partly.When top remainder height surpasses 1.2 meters, also should record according to 1.2 meters highl stratifications, when overall height is no more than 2 meters, can once records and finish.
Record should be immediately after finishing with wet sponge with plate face wiped clean.And maintenance cleaned in situ.
Record and to clean grouting equipment immediately after finishing, guarantee that pipeline is unimpeded.
Connecing envelope handles:
With land plaster and 107 glue allotment gypsum putty.
Paint brush clear water is directly brushed at chamfer site, before moisture content is not absorbed, fill out envelope.
The wiping dummy stack is in meeting the envelope place.
Paste perforated paper tape on dummy stack, and push it is sticked on the dummy stack fully.
Treat that the bottom dummy stack scrapes second layer dummy stack after dried slightly, and beat scrape smooth.
The keel installation specification:
Before keel were installed, the reply reference line was checked, and report relevant departments' authorization, performed record according to measuring the definite reference line of setting-out, and with the fixing world keel of ail gun, the nailing spacing is controlled at about 300MM, is as the criterion to fixedly secure keel.Along the top keel and along the ground keel must be in same vertical plane (have specific (special) requirements except), when along the top or along ground the out-of-flatness of keel surface of position being installed, cement mortar levelling in available 1: 2 is installed keel after waiting to reach requirement of strength again.
Put into vertical keel successively by spacing 400MM, and itself and world keel are fixed.
Vertical keel should shorten 5-10MM than theoretical length when blanking, forbid vertical keel top and world keel to be combined closely, to prevent owing to building settlement destroys partition wall.
The open slot of the vertical keel of one face wall per pass should be towards a direction, except that last is reverse.
When vertical keel length is not enough, allow spreading, use the world keel overlapping spreading of lap length more than or equal to 600MM, in both sides with rivet or screw.
Vertical keel such as need perforate again when passing through for bigger more multi-line, must be adopted Tapper, and opening diameter forbids to surpass 3/4 of perforate face width degree.When needing contractors such as water power, air-conditioning to cooperate, should assembling separately after vertical keel installation immediately, pipeline and wiring close.
Keel in the door and window hole position should be encrypted, and the spacing of adjacent two keel in door and window hole both sides should be greater than 150MM.
" U " keel of door and window hole position must not be cut, and should cut off the edge of a wing and bend up and down to reinforce the door and window hole.
When or oblique angle vertical with partition wall was connected at partition wall, keel must be fixed on the keel, must not be fixed on merely on the PRIMA plate.
Perforate on the vertical keel must all turn down to both sides before shrouding.
In the vertical keel of body of wall suspension member positions such as needs installation built-in wardrobe, air-conditioning, want mount type steel plate or prefabricated batten, increase bearing capacity of wall body to enlarge lifting surface area.
In the position that waterproof requirement is arranged, to place fluid sealant between keel and Yan Ding, ground, edge and body of wall.
After the keel installation, report relevant departments to do subsurface work acceptance.
The technical requirements of envelope fiber cement board:
The reserved locations such as position, door and window hole of reply keel are checked before shrouding, and perform record and report relevant departments to authorize.
Because of fiber cement board plate transverse bending strength (22Mpa) greater than vertical flexural strength (14 Mpa), so panel is wanted the horizontal cross placement, and two sides interlace mode shrouding.
Below distance ground level 300MM, self-tapping screw is fixed with the spacing of 50MM, fixes with the 100-150MM spacing more than the 300MM height, and head of screw and plate face are flat.Must not high ejecting plate face and low and plate face, because the too high decoration construction that influences the back.Cross the low plate face intensity that influences.Screw should be more than or equal to 12MM apart from the distance of panel edges.
The panel of door and window hole position flushes the mode shrouding with " L " type or the cutting of " H " type.
Wiring close and cross the wall coil line position should adopt fluid sealant cram that wiring is closed and pipe and plate between the slit.
The vertical height of a plate at the top of body of wall should be than the low 5-10MM of theoretical level in case building sink, plate with along the slit between the top in fact with the fluid sealant embedding.
In the position that waterproof requirement is arranged, real between plate and Yan Ding, ground, edge and the body of wall with the fluid sealant embedding.The thickness of fluid sealant is that 3-5MM is advisable.
The meeting the envelope place and should place two-sided tape of plate and plate, the thickness of two-sided tape is 1.5MM, and the thickness of width and plate is roughly the same, in case the leak-stopping slurry.
The plate that grout hole is arranged is preferably in and installs after the hole is held on ground successfully, and it is too big that grout hole should not be opened, in case spillage.
The vertical abutment joint of plate and the plate overlap joint that must interlock is forbidden heavily to stitch, and the vertical abutment joint of plate and plate must be positioned at vertical keel place, and overlap joint must not soar aloft.Be screwed along the seam both sides.
The position of hanging annex is being arranged, should on panel, make eye-catching mark, but can not pollute the plate face with as prompting.
Panel reports relevant departments to check and accept after finishing by the related request sealing.
Irritate the technical requirements of lightweight slurry:
The stirring technique of lightweight grouting material requires:
Match ratio in accordance with regulations takes by weighing specified raw material with the utensil of weighing, and drops in the mixer and stirs, and material usage is forbidden to estimate by the order side.The yellow ground that is used to stir lightweight grouting material must must not contain other foreign material such as stone, clod through screening, and cement must not have lump, and EPS must not have phenomenons such as the caking that goes mouldy, and water should be clean water.
The stirring of lightweight grouting material must evenly forbid to occur the EPS whiting.
The slump machine of lightweight grouting material is recorded and generally is controlled at about 10, and is unsuitable excessive, as caning be controlled in about 8 with manually recording slump
Lightweight that mixer stirs grouting material also will ceaselessly stir after putting into barrel with Louing, separates with mortar to prevent EPS.
When recording the body of wall top, excessive for preventing lightweight grouting material, can suitably reduce slump, can get with machine and be advisable.
If the lightweight of mixing and stirring grouting material is too of a specified duration standing time, forbidding to stir again and being used for engineering of segregation phenomenon appears.
The various raw material that are used for grout wall must have product certificate and quality certificate, must carry out retrial as the need retrial.
Treat that retrial can use after qualified.
Lightweight grouting material should be made the pressure testing piece by relevant regulations, and the pressure testing piece should be randomly drawed, and must not do in addition.
Mix and stir lightweight grouting material and should set up relevant machine account, clear and definite responsible person concerned.
Recording of lightweight grouting material:
Lightweight grouting material is tackled last procedure and is carried out an acceptance inspection recording before, can record after up to specification.
Lightweight grouting material answers that layering is staggered records, and lift height is about 0.2 meter-0.5 meter, and once record highly should be above 1.6 meters for maximum.
Once grouting is finished and was recorded next time lightweight grouting material after 30 minutes before-1.5 hours, should not too early also should not be slow excessively.
Lightweight grouting material is recorded and is finished that not handy any hard thing beats the plate face in 7 days, peels off with the plate face to prevent lightweight grouting material.
Excessive during grouting in the mortar of plate face, should carry out wiping with wet sponge immediately after finishing recording, to guarantee plate face cleaning.
The hole that remains for recording lightweight grouting material in advance answers gradation with the levelling of straight cement mortar, and standard and plate face are put down.
Each pipeline duct and junction box place, excessive if any mortar, should in time clear up, guarantee each duct and junction box cleaning.
Be exposed to the perforate of the outside vertical keel of part, should before grouting, use rubber belt sealing.In case spillage.
Joint treatment:
Conscientiously clear up the cement paste that seam crossing overflows, keep the cleaning of seam crossing.
Paint brush with the chamfer site of the direct brush of clear water, carry out joint filling before or being absorbed in water evaporates in seam.
The position that needs joint filling to handle is expected in the wiping joint filling rapidly, the about 1MM of thickness of wiping filler seam.
After the first road filler seam wiping is finished, (time interval must not be above 15-20 minute, the concrete time is depended on the temperature and the air humidity of job site) perforated paper tape is sewed on by being pressed in filler, and perforated paper tape is pressed into it is close to fully till filler sews on smearing greasy scraper or pointing.
Smear can the wiping second road joint sealing material after having pressed perforated paper tape on perforated paper tape, the joint sealing material thickness of wiping is approximately about 1MM, with joint sealing material beat scrape handle smooth, with seam crossing with the plate face is flat is as the criterion.
The lightweight grouting wall can be decorated processing through 48 hours behind dried solid the stablizing after joint treatment is finished.
The application attempts through inventor's academic research for many years and experiment constantly; each construction sequence is is all weighed and consider and construction testing on the spot; now with the achievement patent protection; please the auditor look over so as to check and wish and under the requirement of auditor Geng Gao, further revise; thereby obtain stable patent right, thanks!
The drawing number explanation
1, fiber cement board
2, along the ground lightgage steel joist
3, along the top lightgage steel joist
4, vertical keel
5, matter grouting material
6, a self-tapping screw
7, take out heart rivet
8, ceiling
9, floor
10, doorframe
11, fluid sealant
12, nailing
13, service hatch
14, be staggered installation of
15, floor finished surface
16, gypsum plank furred ceiling
17, the surface is whitewashed
18, top clearance
19, dummy stack
20, metal corner protector
21, metallic support
22, supplying drainage is received head
23, supplying drainage and tap
24, waterproof mortar
25, waterproofing work
26, ceramic tile veneer
Claims (13)
1. fiver cement board grouting wall construction is characterized in that: be made of keel, fiber cement board, lightweight grouting material, wherein fiber cement board is installed on the keel both sides, and lightweight grouting material is poured into wherein.
2. fiver cement board grouting wall construction as claimed in claim 1, it is characterized in that the body of wall gross thickness is 87mm, body of wall uses the 75mm keel, and it is thick that individual layer 6mm is respectively installed on the keel two sides, specification is the fiber cement board of 1200mm * 2400mm, is perfused with lightweight grouting material in the middle of the keel.
3. fiver cement board grouting wall construction as claimed in claim 1 or 2, it is characterized in that keel adopt lightgage steel joist or " C " shaped steel skeleton, described lightgage steel joist or " C " shaped steel skeleton are that the steel sheet with thickness 0.6-2mm is a base material, repressed and the rod member of the different section that forms, again with the works of welding or the born external force that combines of interlocking mode, wherein, keel adopt the wide lightgage steel joist of 75mm, its spacing is according to the concrete needs of engineering, general execution conditions are 400mm down, and " H " type hole is adopted in the vertical keel perforate in the keel.
4. fiver cement board grouting wall construction as claimed in claim 1 or 2, it is characterized in that fiber cement board is gypsum plank or other manually synthetic fiber cement plate, described fiber cement board is the project plate of 6mm * 1220mm * 2440mm, and panel density is 1390kg/m
3Fiber cement board is mainly made by portland cement, string, meticulous quartz sand and water high temperature, and this product Main physical performance is: moisture content 7% under the EMC condition, and sound insulation value is 25db at 6mm, at 9mm is 29db, panel density 1.390kg/m under the EMC condition
3, water absorption rate is 0.04%, bending property is minimum bending radius 1800mm when 6mm, and coefficient of thermal conductivity 0.17w/ (m.k), surperficial suspension force is 20kg when 6mm, heat-proof quality 0.020m
2K/w, fireproof performance GB8624A level is not fired, and flexural strength is vertical 14Mpa, horizontal 22Mpa, average 18Mpa.
5. fiver cement board grouting wall construction as claimed in claim 1 or 2, it is characterized in that, the compound that lightweight grouting material is formed for foaming EPS particle, cement, sand, water, flyash, it is in construction, the slurry weight proportioning of every square metre of body of wall is: cement: 15kg, sand: 15-30Kg, EPS particle: 0.8-1kg, water 11.5-12kg, flyash 5-6.4kg, wherein, cement adopts 32.5 grades of Portland cements, and yellow ground adopts the medium coarse sand of cleaning, the hydromining clean water that does not influence material property in the partition wall, the EPS particle should be full, and particle diameter is about 5mm; Fineness of pulverized-coal ash should satisfy 45 μ m square hole screens and tail over rate smaller or equal to 12%, and loss on ignition is smaller or equal to 5%, and water content is smaller or equal to 1%, and sulfur trioxide content is smaller or equal to 3%.
6. fiver cement board grouting wall construction, it is characterized in that: this body of wall uses the 75mm keel, individual layer 6mm fiber cement board is respectively installed on the keel two sides, be perfused with lightweight grouting material in the middle of the keel, wherein fiber cement board is gypsum plank or other manually synthetic fiber cement plate, is made by portland cement, string, meticulous quartz sand and water high temperature; Keel are for being lightgage steel joist or " C " shaped steel skeleton of base material with the steel sheet; The compound that lightweight grouting material is made up of EPS particle, cement, sand, flyash, water.
7. fiver cement board grouting wall construction, it is characterized in that: lightgage steel joist or " C " shaped steel skeleton, it is that steel sheet with thickness 0.6-2mm is a base material, the rod member of the repressed different section that forms, the works of the born external force that combines with welding or interlocking mode again; Fiber cement board is installed on light steel frame both sides and light steel frame is embedded in its structure, and surface decoration material directly is layed in the fiber cement board outside; Lightweight grouting material is the compound of EPS particle, cement, yellow ground, flyash and water.
8. fiver cement board grouting wall construction as claimed in claim 7 is characterized in that, fiber cement board is layed in light steel frame both sides, wherein records lightweight grouting material, makes it to form compact structure.
9. fiver cement board grouting wall construction as claimed in claim 7 is characterized in that, fiber cement board is fixed on the light steel frame in countersunk head self-tapping screw interlocking mode.
10. fiver cement board grouting wall construction as claimed in claim 7 is characterized in that the wiping dummy stack meets the envelope place in construction, pastes perforated paper tape on dummy stack, adopts the mode of pushing to make it stick on the dummy stack fully; Treat that the bottom dummy stack scrapes second layer dummy stack after dried slightly, and beat scrape smooth.
11. the job practices of a fiver cement board grouting wall construction is characterized in that adopting following construction sequence: 1) carry out construction lofting;
2) keel are installed;
3) fixedly keel and doorframe and window frame accordingly thereof;
4) pipeline in the installation body of wall;
5) keel two side seal fiber cement boards;
6) irritate lightweight grouting material therein;
7) envelope that connects in constructing is handled.
12. the job practices of fiver cement board grouting wall construction as claimed in claim 11 is characterized in that adopting following construction sequence:
One, setting-out:
1) under the prerequisite of being familiar with the design drawing that the owner provides, carry out the drawing joint hearing, determine the setting-out scheme;
2) place level and vertical reference line at the construction field (site) according to design drawing and drawing joint hearing file;
3) according to reference line measuring partition wall and door and window hole position;
Two, keel are installed
1) carries out keel blanking and batching by the drawing design size;
2) according to reference line earlier with the fixing world keel of ail gun, Ru Yanding and during along the ground out-of-flatness adopts cement mortar levelling in 1: 2, waits to reach installation again after the intensity;
3) between the keel of the world, vertical keel are installed by certain spacing;
4) adjust the spacing of keel, the keel spacing is as the criterion with " in-in ";
5) vertical keel are fixed on the keel of the world with countersunk head self-tapping screw or rivet;
Three, fixed gate window frame:
1) " U " type keel is cut off along limit, the edge of a wing and upwards bent to reinforce doorframe and window frame;
2) " U " keel at lintel place are cut off and bent downwards along limit, the edge of a wing to form lintel;
3) will bend good " U " type keel is fixed on the vertical keel;
4) be embedded in batten or strengthen keel at the vertical keel of " C " type to reinforce doorframe and the installation of being convenient to doorframe;
Four, pipeline is installed:
1) pipe clamp with fixed pipelines is fixed on the keel;
2) lay relevant spool;
3) install and fix relevant spool junction box;
4) cram gap between pipeline and junction box and fiber cement board;
Five, envelope fiber cement board:
1) carries out the fiber cement board blanking according to keel spacing, size and wall and fiber cement board size;
2) sealing one side fiber cement board, and handle plate well with two-sided tape and connect envelope, in case spillage;
3) 1.2 meters fiber cement boards in envelope opposite side bottom;
4) bottom grouting;
5) seal up portion's remainder again, and handle fiber cement board well with two-sided tape and connect envelope, in case spillage; The thickness of two-sided tape is about 1.5mm, and width and thickness of slab are roughly the same;
Six, irritate lightweight grouting material:
1) match ratio according to the rules and slump preparation raw material stir;
2) start pneumatic mortar machine, the raw material that stirs is put into funnel;
3) record 1.2 meters of bottoms earlier;
4) bottom is recorded to finish and was begun to record top residue after 30 minutes before 1.5 hours partly, when top remainder height surpasses 1.2 meters, also should record according to 1.2 meters highl stratifications, and when overall height is no more than 2 meters, but layering is once recorded and finished;
5) record should be immediately after finishing with wet sponge with plate face wiped clean, and keep cleaned in situ;
6) record and to clean grouting equipment immediately after finishing, guarantee that pipeline is unimpeded;
Seven, connecing envelope handles:
1) with land plaster and 801 glue allotment gypsum putty.
2) paint brush clear water is directly brushed at chamfer site, before moisture content is not absorbed, fill out envelope;
3) the wiping dummy stack is in meeting the envelope place;
4) paste perforated paper tape on dummy stack, and push and make it stick on the dummy stack fully;
5) treat that the bottom dummy stack scrapes second layer dummy stack after dried slightly, and beat scrape smooth.
13. the job practices of fiver cement board grouting wall construction as claimed in claim 11 is characterized in that:
Before keel were installed, the reply reference line was checked, and performs record,
According to measuring the reference line that setting-out is determined, with the fixing world keel of ail gun, the nailing spacing is controlled at 300MM, be as the criterion to fixedly secure keel, must be in same vertical plane along top keel and ground, edge keel, when the out-of-flatness of keel surface of position being installed, keel are installed again after waiting to reach requirement of strength with cement mortar levelling in 1: 2 along the top or along ground
Put into vertical keel successively by spacing 400MM, and itself and world keel fixed,
Vertical keel should shorten 5-10MM than theoretical length when blanking, forbid vertical keel top and world keel to be combined closely, preventing owing to building settlement destroys partition wall,
The open slot of the vertical keel of one face wall per pass should be towards a direction, except that last oppositely,
When vertical keel length is not enough, allow spreading, use the world keel overlapping spreading of lap length more than or equal to 600MM, in both sides with rivet or screw,
Vertical keel such as need perforate again when passing through for bigger more multi-line, must be adopted Tapper, opening diameter forbids to surpass 3/4 of perforate face width degree, when needing contractors such as water power, air-conditioning to cooperate, should assembling separately after vertical keel installation immediately, pipeline and wiring close
Keel in the door and window hole position should be encrypted, and the spacing of adjacent two keel in door and window hole both sides should be greater than 150MM,
" U " keel of door and window hole position must not be cut, and should cut off the edge of a wing and bend up and down with reinforcing door and window hole,
When or oblique angle vertical with partition wall was connected at partition wall, keel must be fixed on the keel, must not be fixed on merely on the PRIMA plate,
Perforate on the vertical keel must all turn down to both sides before shrouding,
In the vertical keel of body of wall suspension member positions such as needs installation built-in wardrobe, air-conditioning, want mount type steel plate or prefabricated batten, increase bearing capacity of wall body to enlarge lifting surface area,
In the position that waterproof requirement is arranged, to place fluid sealant between keel and Yan Ding, ground, edge and body of wall,
After the keel installation, report relevant departments to do subsurface work acceptance;
The reserved locations such as position, door and window hole of reply keel are checked before the envelope fiber cement board, and perform record and report relevant departments to authorize,
Because of the horizontal flexural strength 22Mpa of fiber cement board plate greater than vertical flexural strength 14Mpa, so panel is wanted the horizontal cross placement, and two sides interlace mode shrouding,
Below distance ground level 300MM, self-tapping screw is fixed with the spacing of 50MM, more than the 300MM height, fix with the 100-150MM spacing, head of screw and plate face are flat, must not high ejecting plate face and low and plate face, because the low plate face intensity that influences is crossed in the too high decoration construction that influences the back, screw should be more than or equal to 12MM apart from the distance of panel edges
The panel of door and window hole position flushes the mode shrouding with " L " type or the cutting of " H " type,
Wiring close and cross the wall coil line position should adopt fluid sealant cram that wiring is closed and pipe and plate between the slit,
The vertical height of a plate at the top of body of wall should be than the low 5-10MM of theoretical level in case building sink, plate with along the slit between the top in fact with the fluid sealant embedding,
In the position that waterproof requirement is arranged, real with the fluid sealant embedding between plate and Yan Ding, ground, edge and the body of wall, the thickness of fluid sealant is that 3-5MM is advisable,
The meeting the envelope place and should place two-sided tape of plate and plate, the thickness of two-sided tape is 1.5MM, and width is identical with the thickness of plate, in case the leak-stopping slurry,
The plate that grout hole is arranged is preferably in and installs after the hole is held on ground successfully, and it is too big that grout hole should not be opened, in case spillage,
The vertical abutment joint of plate and the plate overlap joint that must interlock is forbidden heavily to stitch, and the vertical abutment joint of plate and plate must be positioned at vertical keel place, and the overlap joint that must not soar aloft is screwed along the seam both sides,
The position of hanging annex is being arranged, should on panel, make eye-catching mark, but can not pollute the plate face with as prompting,
Panel reports relevant departments to check and accept after finishing by the related request sealing;
When the preparation grouting liquid, match ratio that should be in accordance with regulations, take by weighing specified raw material with the utensil of weighing, drop in the mixer and stir, the yellow ground that is used to stir lightweight grouting material must must not contain other foreign material such as stone, clod through screening, cement must not have lump, EPS must not have phenomenons such as the caking that goes mouldy, and water should be clean water
The stirring of lightweight grouting material must evenly forbid to occur the EPS whiting,
The slump machine of lightweight grouting material is recorded and generally is controlled at 10mm, and is unsuitable excessive, as caning be controlled in 8mm with manually recording slump,
Lightweight that mixer stirs grouting material also will ceaselessly stir after putting into barrel with Louing, separates with mortar to prevent EPS,
When recording the body of wall top, excessive for preventing lightweight grouting material, can suitably reduce slump, can get with machine and be advisable,
If the lightweight of mixing and stirring grouting material is too of a specified duration standing time, forbidding to stir again and being used for engineering of segregation phenomenon appears,
The various raw material that are used for grout wall must have product certificate and quality certificate, as the need retrial must carry out retrial, treat that retrial can use after qualified,
Lightweight grouting material should be made the pressure testing piece by relevant regulations, and the pressure testing piece should be randomly drawed, must not do in addition,
Mix and stir lightweight grouting material and should set up relevant machine account, clear and definite responsible person concerned,
Lightweight grouting material presses preface to carry out an acceptance inspection before tackling recording before together, can record after up to specification
Lightweight grouting material is answered layering to interlock and is recorded, and lift height is 0.2 meter-0.5 meter, and once maximum is recorded highly and should be surpassed 1.6 meters,
Once grouting is finished and was recorded the material of lightweight grouting next time after 30 minutes before-1.5 hours
Lightweight grouting material is recorded and is finished that not handy any hard thing beats the plate face in 7 days, peels off with the plate face to prevent lightweight grouting material,
Excessive during grouting in the mortar of plate face, should carry out wiping with wet sponge immediately after finishing recording, guaranteeing plate face cleaning,
The hole that remains for recording lightweight grouting material in advance answers gradation with the levelling of straight cement mortar, and standard and plate face are put down,
Each pipeline duct and junction box place, excessive if any mortar, should in time clear up, guarantee each duct and junction box cleaning,
Be exposed to the perforate of the outside vertical keel of part, should before grouting, use rubber belt sealing, in case spillage;
Conscientiously clear up the cement paste that seam crossing overflows, keep the cleaning of seam crossing,
Paint brush with the chamfer site of the direct brush of clear water, carry out joint filling before or being absorbed in water evaporates in seam,
The position that needs joint filling to handle is expected in the wiping joint filling rapidly, the thickness 1mm of wiping filler seam,
After the wiping of first road filler seam is finished, perforated paper tape is sewed on by being pressed in filler, and perforated paper tape is pressed into it is close to fully till filler sews on smearing greasy scraper or pointing,
Smear can the wiping second road joint sealing material after having pressed perforated paper tape on perforated paper tape, the joint sealing material thickness of wiping is approximately about 1mm, with joint sealing material beat scrape handle smooth, with seam crossing with the plate face is flat is as the criterion,
The lightweight grouting wall can be decorated processing through 48 hours behind dried solid the stablizing after joint treatment is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100005537A CN101016759B (en) | 2007-01-12 | 2007-01-12 | Fiver cement board grouting wall and construction method therefor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100005537A CN101016759B (en) | 2007-01-12 | 2007-01-12 | Fiver cement board grouting wall and construction method therefor |
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| CN101016759A true CN101016759A (en) | 2007-08-15 |
| CN101016759B CN101016759B (en) | 2010-09-08 |
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Cited By (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729544A (en) * | 2012-07-20 | 2012-10-17 | 武汉大学 | FRP (Fiber Reinforced Polymer)-steel advanced composite material for structure reinforcement and preparation method thereof |
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| CN113090060A (en) * | 2021-04-02 | 2021-07-09 | 南通根博新材料科技有限公司 | Self-repairing type heat insulation wallboard with crack reminding function |
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