CN107447893A - A kind of lightgage steel joist concrete anticracking filling wall and its construction method - Google Patents
A kind of lightgage steel joist concrete anticracking filling wall and its construction method Download PDFInfo
- Publication number
- CN107447893A CN107447893A CN201710536974.5A CN201710536974A CN107447893A CN 107447893 A CN107447893 A CN 107447893A CN 201710536974 A CN201710536974 A CN 201710536974A CN 107447893 A CN107447893 A CN 107447893A
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- steel
- wall
- keel frame
- lightgage
- joist
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 123
- 239000010959 steel Substances 0.000 title claims abstract description 123
- 239000004567 concrete Substances 0.000 title claims abstract description 35
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 238000010079 rubber tapping Methods 0.000 claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000011230 binding agent Substances 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 238000005246 galvanizing Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005266 casting Methods 0.000 claims abstract description 6
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 230000002787 reinforcement Effects 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 238000005336 cracking Methods 0.000 claims description 11
- 238000005034 decoration Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 210000000988 bone and bone Anatomy 0.000 claims description 2
- 239000011449 brick Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000011505 plaster Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 238000004870 electrical engineering Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 239000010882 bottom ash Substances 0.000 description 1
- -1 bottoming brooming Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011468 face brick Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/76—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal
- E04B2/78—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips
- E04B2/7854—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips of open profile
- E04B2/789—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips of open profile of substantially U- or C- section
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/82—Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building
- E04B2/821—Connections between two opposed surfaces (i.e. floor and ceiling) by means of a device offering a restraining force acting in the plane of the partition
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2/8658—Walls made by casting, pouring, or tamping in situ made in permanent forms using wire netting, a lattice or the like as form leaves
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The present invention relates to a kind of lightgage steel joist concrete anticracking to fill wall, including：Expanded metal lath, wall surface mortar basic unit, wall surface mortar insulation binder course, finish coat, lightgage steel joist, transverse steel and self-tapping screw nail；Lightgage steel joist is to be pressed into C-type steel by hot dip galvanizing sheet iron, connects to be formed with several band steels between C-type steel, and lightgage steel joist, which is welded in, to be arranged on the L-type angle steel and steel column of wall top and wall bottom；Band steel sets up transverse steel, settled water ＆ electric pipe line, installs vertical reinforcement, and expanded metal lath is to be fixed on round pad to form light steel keel frame by self-tapping screw nail, casting concrete in light steel keel frame, peripheral hardware wall surface mortar basic unit, wall surface mortar insulation binder course and architectural surface.The beneficial effects of the invention are as follows：Using light steel keel frame and concrete combined construction, the strength and stability of filling wall is added, is suitably promoted in earthquake territory, solve the problems, such as most of filling wall low intensity.
Description
Technical field
The present invention relates to a kind of cracking resistance to fill wall, more particularly to a kind of lightgage steel joist concrete anticracking filling wall and its making
Method.
Background technology
The construction of traditional wall, it is exactly two kinds nothing but, reinforced concrete wall and masonry walls, the former needs branch masterplate to pour
Concrete, maintenance will also dismantle to template after completing, waste time and energy, influence construction speed, and construction environment is caused
Influence, and the latter's masonry walls are constructed, and are to be built a wall by manual human, due to human factor, construction speed is also slow, and the items of wall
Quality index is difficult to be met, in addition, the anti-cracking waterproof ability of masonry walls is more general, it is high to be more unfavorable for quality requirement
Engineering.As a result with the development of economy and society, everybody requirement more and more higher for wall, seek a kind of new wall and
The requirement of its construction method is also just a series of new into a main trend, the plasterboard partition wall that has been born etc. for current construction industry
Type wall, but these walls it is all more or less have its own shortcoming, such as intensity is not high, and soundproof effect is bad, it is impossible to protects
The shortcomings of warm.
Therefore, need badly at present and seek a kind of new there are anti-cracking waterproof, energy-conserving and environment-protective, shorten the duration, be cost-effective
Fill wall and its construction method.
The content of the invention
The purpose of the present invention is exactly to overcome drawbacks described above, there is provided a kind of construction party of lightgage steel joist concrete anticracking filling wall
Method.
It is a further object to provide a kind of lightgage steel joist concrete anticracking to fill wall.The purpose of the present invention is logical
Cross following technical scheme realization：
A kind of new light steel keel frame concrete anticracking filling wall, mainly by expanded metal lath, wall surface mortar basic unit, metope
Mortar insulation binder course, finish coat, lightgage steel joist, transverse steel and self-tapping screw nail composition, lightgage steel joist is thin by galvanizing
Steel plate is pressed into C-type steel, connects to be formed with several band steels between C-type steel, and lightgage steel joist, which is welded in, is arranged in wall top and wall bottom
L-type angle steel and steel column on；Band steel sets up transverse steel, and settled water ＆ electric pipe line installs vertical reinforcement, and expanded metal lath is by certainly
Tapping nail, which is fixed on round pad, forms light steel keel frame, casting concrete in light steel keel frame, peripheral hardware metope sand
Starch basic unit, wall surface mortar insulation binder course and architectural surface.
L-type angle steel does the positioning of metope both sides, is welded in wall bottom, wall top or upper strata beam bottom, is used as lightgage steel joist fixation.
It is horizontal support that the steel column of lightgage steel joist, which adds horizontal band steel,.
A kind of construction method of lightgage steel joist concrete anticracking filling wall, comprises the following steps：
1) L-type angle steel is welded in wall bottom, wall top or upper strata beam bottom；
2) hot dip galvanizing sheet iron is pressed into C-type steel, several band steels is and then connected between C-type steel, it is light so as to obtain
Steel joist；
3) lightgage steel joist is weldingly fixed on L-type angle steel and steel column, transverse steel is then set up on band steel；
4) the pre-buried of hydroelectric line is carried out；
5) followed closely by self-tapping screw, expanded metal lath is fixed on round pad, installed；
6) casting concrete into the light steel keel frame of formation；
7) treat to carry out wall decoration construction after the completion of concrete curing, finally obtain new light steel keel frame concrete
Cracking resistance fills wall.
As preferred：In the step 4), hydroelectric line is pre-buried must be after lightgage steel joist welds reinforcement, before one-side net laying
Constructed, and expanded metal lath can be sealed after hydroelectric project's teacher acceptance(check).
As preferred：In the step 5), when installing expanded metal lath, net and net must stagger overlap joint, and align round pad；It is fixed
When followed closely with self-tapping screw, self-tapping screw nail is fixed on round pad, during punching it is oblique staggeredly.
As preferred：In the step 7), wall surface mortar basic unit, wall surface mortar insulation binder course and architectural surface are applied
Work, carries out wall plastering successively, external wall plastering, coating application, paste heat-preserving material, scrape cracking resistance water proof putty and tapestry brick this
Several steps.
The present invention has following features and beneficial effect：
The present invention uses light steel keel frame and concrete combined construction, adds the strength and stability of filling wall, fits
Preferably promoted in earthquake territory, solve the problems, such as most of filling wall low intensity.
The present invention uses expanded metal lath, saves the flow of formwork form removal, shortens the duration, and can increase the cracking resistance of wall
Fire resistance characteristic.
The wall decoration engineering of the present invention, which employs, have been applied water resistant anti-cracking powder of lacquer putty for use on and has pasted insulation material, so enters one
Step ensure that the anti-cracking waterproof of wall, also ensures energy-saving heat preserving in addition, is advantageous to the development and popularization of green building.
Brief description of the drawings
Fig. 1 is lightgage steel joist concrete anticracking filling wall design sketch；
Fig. 2 is lightgage steel joist top view；
Fig. 3 is lightgage steel joist concrete anticracking filling wall horizontal sectional drawing；
Fig. 4 is lightgage steel joist welding L-type angle steel and column schematic diagram；
Fig. 5 is light steel keel frame figure；
Fig. 6 is expanded metal lath overlap joint schematic diagram
In figure：1- expanded metal laths；2- wall surface mortars basic unit；3- wall surface mortars are incubated binder course；4- architectural surfaces；The light steel dragons of 5-
Bone；6- transverse steels；7- self-tapping screws are followed closely；8- hot dip galvanizing sheet irons；9-C shaped steel；10- transverse direction band steels；11-L type angle steel；12-
Steel column；13- hydroelectric lines；14- vertical reinforcements；The round pads of 15-；16- light steel keel frames；17- concrete.
Embodiment
Unwrapping wire is measured according to Design Requirement Drawing first, after the completion of wall bottom and the assigned position of wall top welding angle steel
11, specific size is L30 × 3, and final effect is as shown in the 11 of Fig. 4 lower section.
Next hot dip galvanizing sheet iron 8 is pressed into C-type steel 9, as shown in Fig. 2 the specific size of C-type steel 9 is that section is wide
10mm, depth of section 18mm, thickness 1.5mm are spent, is 1.5mm in the width welded section thickness of C-type steel 9, length is
180mm band steel 10, spacing are no more than 150mm, finally give Fig. 2 structures, i.e. lightgage steel joist 5.
Obtained lightgage steel joist 5 is welded in the steel for being arranged on the L-type angle steel 11 at wall bottom and wall bottom and placing already
On column 12, the spacing of steel column 12 is generally kept in 180-250mm, and Design Requirement Drawing institute is then set up on horizontal band steel 10
The transverse steel 6 needed, generally vertical reinforcing bar 14 are also to set up what is completed in this step, finally obtain structure as shown in Figure 4.
After the welding of lightgage steel joist 5 is strengthened, take up the pre-buried of hydroelectric line 13, must first be marked before casting concrete 17
Position of opening is wanted, in order to chisel borehole cleaning after having poured concrete 17.
Then the installation of expanded metal lath 1 is carried out, the specific size of expanded metal lath 1 is length x width：2400mm × 600mm is thick
Degree：0.35mm~0.6mm, size of mesh：5mm~8mm × 16mm, when installing expanded metal lath 1, net must not exceed with net overlapping splice
3cm, lap position should be in the centres of lightgage steel joist steel column 12, and net and net must stagger overlap joint, and align round pad 15；When fixed
Follow closely 7 using self-tapping screw, self-tapping screw nail 7 is fixed on round pad 15, during punching it is oblique staggeredly, and spray on nail emits red
Color or conspicuous color mark are to check.The size of circular gasket 15 is 5mm*1mm, and it is diameter 2.5mm that self-tapping screw, which follows closely 7 sizes,
Length is 25mm, is arranged by spacing 300mm, finally gives light steel keel frame 16 as shown in Figure 5.
The casting concrete 17 into light steel keel frame 16, mode pouring construction is poured using U-shaped.
After the completion for the treatment of that concrete 17 conserves, wall face decorating layer construction is carried out, carries out wall surface mortar basic unit 2, metope sand successively
The construction of slurry insulation binder course 3 and architectural surface 4, is comprised the concrete steps that：The construction of wall surface mortar basic unit 2, one layer of bottom ash is smeared first,
The groove of expanded metal lath 1 is filled up, rough levelling, then float coat is then scraped with mortar.Screed-coat preferably uses 8mm-12mm thickness 1：3 cement bonded sands
Slurry, bottoming brooming, surface layer preferably use 8mm~10mm solid cement mortar covers；Wall surface mortar is incubated the construction of binder course 3, first carries out
The construction of plaster base, the brushing of water-repellent paint is carried out after mortar is fully dried, is to scrape anti-cracking waterproof putty successively again afterwards
With paste heat-preserving material；The construction of architectural surface 4, pasted using polymer bonding mortar or ceramic tile sticker, joint thickness
3mm-5mm；Face brick thickness is no more than 10mm.So far lightgage steel joist concrete anticracking filling wall as shown in Figure 1 is obtained, it is flat
Face profile is as shown in Figure 3.
Claims (7)
- A kind of 1. new light steel keel frame concrete anticracking filling wall, it is characterised in that：Mainly by expanded metal lath (1), metope Mortar basic unit (2), wall surface mortar insulation binder course (3), finish coat (4), lightgage steel joist (5), transverse steel (6) and self-tapping screw (7) composition is followed closely, lightgage steel joist (5) is to be pressed into C-type steel (9) by hot dip galvanizing sheet iron (8), flat with several between C-type steel (9) Steel (10) connection is formed, and lightgage steel joist (5) is welded on the L-type angle steel (11) and steel column (12) for being arranged in wall top and wall bottom； Band steel (10) sets up transverse steel (6), and settled water ＆ electric pipe line (13), installation vertical reinforcement (14), expanded metal lath (1) is to pass through self tapping Screw (7), which is fixed on round pad (15), forms light steel keel frame (16), and coagulation is poured in light steel keel frame (16) Native (17), peripheral hardware wall surface mortar basic unit (2), wall surface mortar insulation binder course (3) and architectural surface (4).
- 2. new light steel keel frame concrete anticracking filling wall according to claim 1, it is characterised in that：L-type angle Steel (11) does the positioning of metope both sides, is welded in wall bottom, wall top or upper strata beam bottom, and it is fixed to be used as lightgage steel joist (5).
- 3. new light steel keel frame concrete anticracking filling wall according to claim 1, it is characterised in that：Light steel dragon It is horizontal support that the steel column (12) of bone (5), which adds horizontal band steel (10),.
- 4. a kind of construction method of the new light steel keel frame concrete anticracking filling wall based on described in claim 1, its It is characterised by, comprises the following steps：1) L-type angle steel (11) is welded in wall bottom, wall top or upper strata beam bottom；2) hot dip galvanizing sheet iron (8) is pressed into C-type steel (9), several band steels (10) is and then connected between C-type steel (9), from And obtain lightgage steel joist (5)；3) lightgage steel joist (5) is weldingly fixed on L-type angle steel (11) and steel column (12), then set up on band steel (10) horizontal To reinforcing bar (6)；4) the pre-buried of hydroelectric line (13) is carried out；5) (7) are followed closely by self-tapping screw, expanded metal lath (1) is fixed on round pad (15), installed；6) to light steel keel frame (16) interior casting concrete (17) of formation；7) treat to carry out wall decoration construction after the completion of concrete (17) maintenance, finally obtain new light steel keel frame concrete Cracking resistance fills wall.
- 5. new light steel keel frame concrete anticracking filling wall according to claim 4, it is characterised in that：The step It is rapid 4) in, hydroelectric line (13) is pre-buried to be constructed after lightgage steel joist (5) is welded and strengthened before one-side net laying, and through water Expanded metal lath (1) can be sealed after electrical engineering teacher's acceptance(check).
- 6. new light steel keel frame concrete anticracking filling wall according to claim 4, it is characterised in that：The step It is rapid 5) in, when installing expanded metal lath, net and net must stagger overlap joint, and align round pad (15)；(7) are followed closely with self-tapping screw when fixed, Self-tapping screw nail (7) is fixed on round pad (15), during punching it is oblique staggeredly.
- 7. new light steel keel frame concrete anticracking filling wall according to claim 4, it is characterised in that：The step It is rapid 7) in, wall surface mortar basic unit (2), wall surface mortar insulation binder course (3) and architectural surface (4) construction, carry out metope successively Plaster, external wall plastering, coating application, paste heat-preserving material, scrape cracking resistance water proof putty and tapestry brick these steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710536974.5A CN107447893A (en) | 2017-07-04 | 2017-07-04 | A kind of lightgage steel joist concrete anticracking filling wall and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710536974.5A CN107447893A (en) | 2017-07-04 | 2017-07-04 | A kind of lightgage steel joist concrete anticracking filling wall and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107447893A true CN107447893A (en) | 2017-12-08 |
Family
ID=60488266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710536974.5A Withdrawn CN107447893A (en) | 2017-07-04 | 2017-07-04 | A kind of lightgage steel joist concrete anticracking filling wall and its construction method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107447893A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577524A (en) * | 2019-01-02 | 2019-04-05 | 常州市米尼特机械有限公司 | A kind of cast-in-place foamed concrete wall |
| CN109779102A (en) * | 2019-03-04 | 2019-05-21 | 中国五冶集团有限公司 | Lattice keel expanded metal lath mould composite wall and its construction method |
| CN109930712A (en) * | 2019-03-28 | 2019-06-25 | 温州市华宁建筑机械有限公司 | The cast-in-place double mesh sheet of one kind exempt from the plaster dedicated framework of partition wall construction and its construction method |
| CN112282147A (en) * | 2020-09-02 | 2021-01-29 | 众合天成(大连)科技发展有限公司 | Method for manufacturing disassembly-free template by scraping and smearing reinforced cement on steel plate mesh |
| CN113216443A (en) * | 2021-04-14 | 2021-08-06 | 凯第建筑集团有限公司 | Steel mesh formwork wall body and construction process thereof |
| CN113530025A (en) * | 2020-04-22 | 2021-10-22 | 南京环达装饰工程有限公司 | Light steel keel partition wall adaptive to building structure construction errors and construction method thereof |
-
2017
- 2017-07-04 CN CN201710536974.5A patent/CN107447893A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577524A (en) * | 2019-01-02 | 2019-04-05 | 常州市米尼特机械有限公司 | A kind of cast-in-place foamed concrete wall |
| CN109577524B (en) * | 2019-01-02 | 2024-02-13 | 常州市米尼特机械有限公司 | Cast-in-situ foam concrete wall |
| CN109779102A (en) * | 2019-03-04 | 2019-05-21 | 中国五冶集团有限公司 | Lattice keel expanded metal lath mould composite wall and its construction method |
| CN109930712A (en) * | 2019-03-28 | 2019-06-25 | 温州市华宁建筑机械有限公司 | The cast-in-place double mesh sheet of one kind exempt from the plaster dedicated framework of partition wall construction and its construction method |
| CN113530025A (en) * | 2020-04-22 | 2021-10-22 | 南京环达装饰工程有限公司 | Light steel keel partition wall adaptive to building structure construction errors and construction method thereof |
| CN112282147A (en) * | 2020-09-02 | 2021-01-29 | 众合天成(大连)科技发展有限公司 | Method for manufacturing disassembly-free template by scraping and smearing reinforced cement on steel plate mesh |
| CN113216443A (en) * | 2021-04-14 | 2021-08-06 | 凯第建筑集团有限公司 | Steel mesh formwork wall body and construction process thereof |
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| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171208 |
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| WW01 | Invention patent application withdrawn after publication |