CN107762057A - A kind of two-way combined wall board of assembled and its construction method - Google Patents
A kind of two-way combined wall board of assembled and its construction method Download PDFInfo
- Publication number
- CN107762057A CN107762057A CN201710949350.6A CN201710949350A CN107762057A CN 107762057 A CN107762057 A CN 107762057A CN 201710949350 A CN201710949350 A CN 201710949350A CN 107762057 A CN107762057 A CN 107762057A
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- CN
- China
- Prior art keywords
- concrete
- wall board
- wallboard
- combined wall
- lobe wallboard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
- E04C2/382—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels with a frame of concrete or other stone-like substance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
Abstract
A kind of two-way combined wall board of assembled; including internal lobe wallboard and siphonal lobe wallboard; it is characterized in that; the internal lobe wallboard is mainly made up of concrete sash and the autoclave aerated concrete building block being filled in concrete sash; the siphonal lobe wallboard is mainly made up of the concrete cover in outside and the XPS warming plates of inner side, and the internal lobe wallboard is combined with siphonal lobe wallboard by thermomass MS/MC connectors.Present invention also offers the construction method of the two-way combined wall board of the assembled, wallboard of the present invention is green, shock resistance is good, and can further reduce component production and construction cost, improves production efficiency.
Description
Technical field
The invention belongs to technical field of buildings, is related to insulation, load-bearing integration assembled combined wall board, more particularly to a kind of
The two-way combined wall board of assembled and its construction method.
Background technology
Substantial amounts of water of river and lake and municipal sewage system form many sludge by accumulating over a long period.By these sludge through digging
Mud, natural drying, raw material balling-up, preheating, roasting, haydite is referred to as sludge ceramsite made of cooling.Clay system is replaced using sludge
Make sludge ceramsite concrete, can not only reduce building materials manufacturing industry and strive soil with agricultural land, and sludge secondary pollution can be avoided, it is real
Existing changing rejected material to useful resource and comprehensive utilization, have implemented China and have developed a circular economy and energy-saving and emission-reduction policy, had good society
Economic benefit and technical prospect.At the same time, as the conventional column industry in Chinese national economy, construction industry generally existing
Resource consumption is high, labor productivity is low, technological innovation not strong, not high, the certain hidden danger of construction quality security presence of architecture quality etc..
Therefore the major transformation for promoting mode of construction energetically is needed badly, building industrialization turns into the inexorable trend of future architecture industry development.
Therefore, at present Development of Green Building, reduce energy resource consumption turned into country on economizing on resources, environmental protection and can
The important policy strategy of sustainable development.Assembled-type house is the direction of energy saving building development, and popularizes the shortcut of green building,
Energy-saving and emission-reduction are advantageously implemented, promote green safe construction, improve energy resource service efficiency, are more beneficial for improving space
Health index and level of comfort, improve human settlement.
Current most of prefabricated panels are concrete product, and not only dead load is heavier, not readily transportable with lifting, and
And substantial amounts of concrete is used, it is necessary to largely excavate sand and stone resources, is polluted environment, is not truly realized assembled architecture green ring
Guaranteed request.
Meanwhile some existing combined walls, insulation, load-bearing integration can not be accomplished.And delay-pour joint post mixes between wallboard
It is bad to coagulate native density, the connection of wallboard side is not close, influences resistance to overturning and shock resistance.
The content of the invention
The shortcomings that in order to overcome above-mentioned prior art, it is an object of the invention to provide a kind of two-way combined wall board of assembled
And its construction method, the wallboard is green, shock resistance is good, and can further reduce component production and construction cost, improves
Production efficiency.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of two-way combined wall board of assembled, including internal lobe wallboard and siphonal lobe wallboard, it is characterised in that the internal lobe wallboard
Mainly it is made up of concrete sash and the autoclave aerated concrete building block being filled in concrete sash, the siphonal lobe wallboard is main
It is made up of the concrete cover in outside and the XPS warming plates of inner side, the internal lobe wallboard passes through with siphonal lobe wallboard
Thermomass MS/MC connectors combine.
The concrete sash is made up of concrete rib post and concrete girt strip, wherein, there is rib post to indulge in concrete rib post
Muscle, there is girt strip to indulge muscle in concrete girt strip.
The concrete sash is identical with the material of concrete cover, is basalt fibre sludge ceramsite concrete.
Hand-drawn wire steel fabric sheet is provided with the concrete cover.
Between the XPS warming plates and concrete cover, and between internal lobe wallboard, with polymer bonding mortar
Layer bonding.
The side of the internal lobe wallboard and siphonal lobe wallboard offers incised groove, the section shape of the incised groove
Shape is V-arrangement or trapezoidal.
Present invention also offers the construction method of the two-way combined wall board of the assembled, comprise the following steps：
Step 1：Prepare concrete
Step 2：Make siphonal lobe wallboard
Installation siphonal lobe wall form is set up on steel construction mould tire first, the good reinforced mesh of colligation is put into template, is propped up
If protective layer cushion block, casting concrete；After the completion of lay XPS warming plates, according to spacing 400mm quincuncial arrangements thermomass
MS/MC connectors；
Step 3：Make internal lobe wallboard
After siphonal lobe wallboard strength up to after 75%, internal lobe wallboard is made, sets up internal lobe wall on the siphonal lobe wall made first
Side template, then the and brushing releasing agent on the inside of template, then the good steel reinforcement cage of colligation is hung in template will pass through immersion profit
Wet autoclave aerated concrete building block is positioned in reinforcing bar keel, and place when by autoclave aerated concrete building block close to XPS
Warming plate side smear polymer bonding mortar layer, be subsequently placed with autoclave aerated concrete building block and be compacted, it is to be determined it is errorless after,
Casting concrete, form the two-way combined wall board of assembled.
In the step 1, concrete is basalt fibre sludge ceramsite concrete, and its component is per cubic meter of concrete
In contain：3~4kg of basalt fibre, sludge ceramsite 516kg, cement 400kg, water 180kg and sand 819kg.
The cement is Portland cement, and marked as 42.5, configuration concrete strength is C30；The sludge ceramsite
Raw material be municipal sewage system primary sludge, through dehydration and drying, fire after realize, 5~20mm of particle diameter.
The preparation method of the basalt fibre sludge ceramsite concrete is as follows：
First by basalt fibre and cement mix 1min, basalt fibre is dispersed in cement, will not unite, then
By gained mixture and the dry stirring 1min of sludge ceramsite, sand, it is eventually adding required water and is stirred for 2mi, produce basalt fibre dirt
Mud haydite concrete.
The reinforced mesh is hand-drawn wire steel fabric sheet.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, appropriate basalt fibre is added in concrete of the present invention, fiber source environmental protection, there is cost-effective, tension
Intensity is high, corrosion-resistant, high temperature resistant, with the affinity of concrete it is good the advantages that, can effectively be carried on the premise of intensity requirement is met
The ductility and durability of high sludge ceramsite concrete, reduce construction costs.This kind of concrete is more preferable compared to energy compared with conventional concrete
Adaptation high temperature, high fever, the complex environment such as corrosion-resistant.And the concrete solves the process problem of sludge, China's hair has been implemented
Recycling economy and energy-saving and emission-reduction policy are opened up, there are good economic results in society and technical prospect.
2nd, profound basalt fibre sludge ceramsite concrete of the present invention can be used as green building material to substitute normal concrete system
Make the two-way combined wall board of assembled, can not only solve the process problem of building waste, save construction material, realize economy, ring
The sustainable development in border, and be more beneficial for realizing building energy conservation compared with common assembly concrete is built, improve building
The durability of main body, mitigate the weight of component component, meet high efficiency, the high-quality of construction, build the low money used
Source consumes and the demand of low environmental impact, promotes construction industry to develop in a healthy way.Meet the innovation proposed in China " 13 " planning
Development, coordinated development, the theory of Green Development.
3rd, the present invention utilizes incised groove, not only solves delay-pour joint post concrete compaction between the wallboard of job site
Sex chromosome mosaicism, and the quality of production and the examination of wallboard are more easily controlled, the frictional engagement power of wallboard side connection is increased, is more had
Beneficial to whole structural stability and shock resistance.Experiment shows：Using the two-way composite wall of the sidepiece processing mode of incised groove
Plate, after edge connecting pole has been poured, its level can improve about to shear resistance capacity compared with sidepiece is using the wallboard of mat surface
16%, vertical compression bearing can improve about 6%.
4th, the concrete assembled two-way combined wall board of basalt fibre sludge ceramsite of the present invention by internal lobe wallboard with
Siphonal lobe wallboard is formed.Internal lobe wallboard is made up of basalt fibre sludge ceramsite concrete sash and autoclave aerated concrete building block
Combined wall board, siphonal lobe wallboard is made up of basalt fibre sludge ceramsite concrete heat-insulating protective layer, XPS warming plates, so as to be formed
Two-way compound insulation, load-bearing integrated wallboard outside in face and face.
5th, prefabricated degree is high, and production intensification, quality increases.By the combination of various materials, work is integrated
Skill technology, the mode of intensive manufacture, improve the prefabricated rate of wall, improve the overall quality of wall, instead of outside tradition
The way of insulation, reduce the program of job site later stage vertical job execution, be greatly improved efficiency of construction, shorten work
Phase.Product has the comprehensive advantages such as high-strength, lightweight, insulation, sound insulation, environmental protection, realizes and reallocates resources, intensive manufacture.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention (stereogram).
Fig. 2 is schematic structural view of the invention (side view).
Fig. 3 is schematic structural view of the invention (sectional elevation).
Fig. 4 is the structural representation (front view) of incised groove of the present invention.
Fig. 5 is the structural representation (section view) of incised groove of the present invention.
Embodiment
Describe embodiments of the present invention in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2 and Figure 3, the two-way combined wall board of assembled of the present invention is mainly by internal lobe wallboard 14 and siphonal lobe wallboard
13 are formed.Internal lobe wallboard 14 is the combined wall board being mainly made up of concrete sash and autoclave aerated concrete building block 8, siphonal lobe wall
Plate 13 is mainly made up of concrete cover 1, XPS warming plates 5, and internal lobe wallboard 14 passes through thermomass with siphonal lobe wallboard 13
MS/MC connectors 4 combine, in forming face with two-way compound insulation, load-bearing integrated wallboard outside face.Not only there is insulation, section
Energy load-bearing integrated function, and architectural engineering economic benefit is improved, rationally solve wall collection stress, maintenance, energy-conservation, warp
Help the technical barrier being integrated
Wherein, the side of internal lobe wallboard 14 and siphonal lobe wallboard 13 offers incised groove 11.As shown in Figure 4 and Figure 5,
Incised groove 11 penetrates the side of internal lobe wallboard 14 and siphonal lobe wallboard 13, and section is V-arrangement or trapezoidal, can a side
The a plurality of incised groove 11 being parallel to each other is set, incised groove 11 increases frictional engagement power connected horizontally between wallboard,
Ensure that structure build up after globality and preferably resist shock resistance.
Concrete sash is made up of concrete rib post 6 and concrete girt strip 7, has rib post to indulge muscle 9 in concrete rib post 6, is mixed
Coagulating in native girt strip 7 has girt strip to indulge muscle 10.
The thickness about 50mm of concrete cover 1, the thickness of XPS warming plates 5 are determined by energy saving calculation.Concrete cover 1
In be provided with hand-drawn wire steel fabric sheet 3.Between XPS warming plates 5 and concrete cover 1, and between internal lobe wallboard 14,
It is bonded with polymer bonding mortar layer 2.The most inner side of internal lobe wallboard 14, is provided with inner side concrete cover 12.
In the present invention, concrete sash is identical with the material of concrete cover 1, is that basalt fibre sludge ceramsite mixes
Solidifying soil.Contain in per cubic meter of concrete：3~4kg of basalt fibre, sludge ceramsite 516kg, cement 400kg, water 180kg with
And sand 819kg.Cement used is Portland cement, and marked as 42.5, configuration concrete strength is C30.Sludge pottery used
The raw material of grain is the primary sludge of municipal sewage system, is realized after dehydration and drying, firing, takes 5~20mm of particle diameter haydite conduct
Raw material.
The preparation of basalt fibre sludge ceramsite concrete of the present invention：In order that basalt fibre can be evenly distributed in it is mixed
In solidifying soil, Secondary mixing is employed.First by basalt fibre and cement mix (1min), make basalt fibre dispersed
In cement, it will not unite, then gained mixture and sludge ceramsite, sand mix is uniform (1min), it is eventually adding required water simultaneously
(2min) is sufficiently stirred, produces basalt fibre sludge ceramsite concrete.It should be noted that mixing basalt fibre is dirty
Mud haydite concrete must not use seawater, sea sand, forbid miserable chlorination salt.
The making of incised groove 11：Using special-purpose steel structure side mould mould, incised groove is made in wallboard both sides
11。
The work progress of the two-way combined wall board of assembled of the present invention is as follows：
Step 1：Prepare concrete
Step 2：Make siphonal lobe wallboard 13
Installation form is set up on steel construction mould tire first, the good hand-drawn wire steel fabric sheet 3 of colligation is put into template, is propped up
If protective layer cushion block, casting concrete；After the completion of lay XPS warming plates 5, according to spacing 400mm quincuncial arrangements
Thermomass MS/MC connectors 4.
Step 3：Make internal lobe wallboard 14
After the intensity of siphonal lobe wallboard 13 up to after 75%, internal lobe wallboard 14 is made.The good steel reinforcement cage of colligation is hung in into template first
It is interior, then it will be positioned over by the autoclave aerated concrete building block 8 for soaking wetting in reinforcing bar keel, and add steam pressure when placing
Gas concrete segment 8 smears 5mm thickness high strength bonds mortar (being operated with sawtooth trowel) close to the side of XPS warming plates 5, then puts
Put autoclave aerated concrete building block 8 and be compacted, it is to be determined it is errorless after, casting concrete, formed the two-way combined wall board of assembled.
To sum up, it is of the invention by emerging environment-friendly type cost-effective, that tensile strength is high, corrosion-resistant, high temperature resistant, crack resistance are good
Inorganic fibers --- in basalt fibre incorporation sludge ceramsite concrete, the mechanical strength of concrete can be not only improved, and
And ductility, toughness and the durability that characteristic is advantageous to strengthen concrete are split in the resistance of fiber, can obtain good economic benefit, be gram
A kind of important solution route of sludge ceramsite concrete shortcoming is taken, is prepared with higher-strength, the basalt of preferable toughness
Fiber sludge haydite concrete.On this basis, use it in prefabricated component production, propose that one kind is based on basalt
The two-way combined wall board of assembled of fiber sludge haydite concrete material.Can not only solve the problems, such as sludge regeneration, save
Construction material, realizes the sustainable development of economy, environment, and is advantageously implemented building energy conservation, promotes construction industry to develop in a healthy way.
Claims (10)
1. a kind of two-way combined wall board of assembled, including internal lobe wallboard (14) and siphonal lobe wallboard (13), it is characterised in that in described
Leaf wallboard (14) is mainly made up of concrete sash and the autoclave aerated concrete building block (8) being filled in concrete sash, institute
State siphonal lobe wallboard (13) to be mainly made up of the concrete cover (1) in outside and the XPS warming plates (5) of inner side, the internal lobe wall
Plate (14) is combined with siphonal lobe wallboard (13) by thermomass MS/MC connectors (4).
2. the two-way combined wall board of assembled according to claim 1, it is characterised in that the concrete sash is by concrete rib
Post (6) and concrete girt strip (7) composition, wherein, there is rib post to indulge muscle (9) in concrete rib post (6), concrete girt strip has in (7)
Girt strip indulges muscle (10).
3. the two-way combined wall board of assembled according to claim 1, it is characterised in that the concrete sash and concrete are protected
The material of sheath (1) is identical, is basalt fibre sludge ceramsite concrete.
4. the two-way combined wall board of assembled according to claim 1, it is characterised in that set in the concrete cover (1)
Be equipped with hand-drawn wire steel fabric sheet (3), between the XPS warming plates (5) and concrete cover (1), and with internal lobe wallboard
(14) between, it is bonded with polymer bonding mortar layer (2).
5. the two-way combined wall board of assembled according to claim 1, it is characterised in that the internal lobe wallboard (14) and siphonal lobe wall
The side of plate (13) offers incised groove (11), and the cross sectional shape of the incised groove (11) is V-arrangement or trapezoidal.
6. the construction method of the two-way combined wall board of assembled described in claim 1, comprises the following steps：
Step 1：Prepare concrete
Step 2：Make siphonal lobe wallboard (13)
Installation siphonal lobe wall form is set up on steel construction mould tire first, the good reinforced mesh of colligation is put into template, installs guarantor
Sheath cushion block, casting concrete；After the completion of lay XPS warming plates (5), according to spacing 400mm quincuncial arrangements thermomass
MS/MC connectors (4)；
Step 3：Make internal lobe wallboard (14)
After siphonal lobe wallboard (13) intensity up to after 75%, make internal lobe wallboard (14), set up first on the siphonal lobe wall made in
The side template of leaf wall, and the brushing releasing agent on the inside of template, then the good steel reinforcement cage of colligation is hung in template, it then will pass through leaching
The autoclave aerated concrete building block (8) of bubble wetting is positioned in reinforcing bar keel, and when placing by autoclave aerated concrete building block
(8) polymer bonding mortar layer (2) is smeared close to XPS warming plate (5) side, is subsequently placed with autoclave aerated concrete building block (8)
And be compacted, it is to be determined it is errorless after, casting concrete, formed the two-way combined wall board of assembled.
7. the construction method of the two-way combined wall board of assembled according to claim 6, it is characterised in that in the step 1,
Concrete is basalt fibre sludge ceramsite concrete, and its component is to contain in every cubic meter of concrete：Basalt fibre 3~
4kg, sludge ceramsite 516kg, cement 400kg, water 180kg and sand 819kg.
8. the construction method of the two-way combined wall board of assembled according to claim 7, it is characterised in that the cement is common
Portland cement, marked as 42.5, configuration concrete strength is C30；The raw material of the sludge ceramsite is the original of municipal sewage system
Beginning sludge, realized after dehydration and drying, firing, 5~20mm of particle diameter.
9. the construction method of the two-way combined wall board of assembled according to claim 7, it is characterised in that the basalt fibre
The preparation method of sludge ceramsite concrete is as follows：
First by basalt fibre and cement mix 1min, basalt fibre is dispersed in cement, will not unite, then by institute
Mixture and sludge ceramsite, the dry stirring 1min of sand are obtained, required water is eventually adding and is stirred for 2mi, produce basalt fibre sludge and make pottery
Grain concrete.
10. the construction method of the two-way combined wall board of assembled according to claim 6, it is characterised in that the reinforced mesh
For hand-drawn wire steel fabric sheet (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710949350.6A CN107762057A (en) | 2017-10-12 | 2017-10-12 | A kind of two-way combined wall board of assembled and its construction method |
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| CN201710949350.6A CN107762057A (en) | 2017-10-12 | 2017-10-12 | A kind of two-way combined wall board of assembled and its construction method |
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| CN107762057A true CN107762057A (en) | 2018-03-06 |
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| CN201710949350.6A Pending CN107762057A (en) | 2017-10-12 | 2017-10-12 | A kind of two-way combined wall board of assembled and its construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109956711A (en) * | 2019-04-08 | 2019-07-02 | 河海大学 | A kind of preparation method of high strength anti-corrosion concrete and its prefabricated components |
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| CN109956711A (en) * | 2019-04-08 | 2019-07-02 | 河海大学 | A kind of preparation method of high strength anti-corrosion concrete and its prefabricated components |
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Application publication date: 20180306 |