CN103938758A - Method for manufacturing bare concrete concave-convex wood grain decoration wall - Google Patents
Method for manufacturing bare concrete concave-convex wood grain decoration wall Download PDFInfo
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Abstract
The invention relates to a method for manufacturing a bare concrete concave-convex wood grain decoration wall. The method comprises formwork engineering, wherein the formwork engineering mainly comprises formwork processing and formwork installing; reinforcing bar engineering, wherein the reinforcing bar engineering mainly comprises the step of installing reinforcing bars in a formwork; concrete engineering, wherein the concrete engineering mainly comprises concrete selecting, concrete casting and compacting and concrete maintaining; defect mending, wherein the defect mending mainly comprises bubble mending, wall root and external corner slurry leaking position mending and large formwork edge joint mending; smearing engineering, wherein the smearing engineering mainly comprises wall cleaning, color adjusting, first coat constructing and surface coat constructing. By means of the technical scheme, the manufactured concave-convex wood grain bare concrete is one kind of decoration bare concrete, the naturally produced log woodiness texture shows purely natural and original ecological environment-friendly concept, the concave-convex wood grain bare concrete is the embodiment of a green building and an ecological building, concrete is formed at a time, no modification is needed, and the quality of makeunder is presented.
Description
Technical field
The present invention relates to building field, relate in particular to a kind of preparation method of decorating wall.
Background technology
Clear-water concrete (As-cast Finish Concrete/BareConcrete) claim again ornamental concrete; Because having decorative effect, it gains the name.It belongs to one-time cast-forming; do not make any outer decoration; directly adopt the natural surface effect of cast-in-situ concrete as facing; therefore be different from ordinary concrete; surfacing is smooth, color and luster is even, corner angle are clearly demarcated, without clashing and breaking and pollution; just on surface, be coated with one deck or two-layer transparent protective agent, seem very natural, serious.
Clear-water concrete is five-star expression-form in concrete material, and what its showed is the most essential a kind of aesthetic feeling, embodiment be the grade of " wearing no make-up during an audience with the emperor ".Clear-water concrete has simple and unadorned, naturally sedate outward appearance charm, inherent thick and heavy and elegant be that some modern architecture materials cannot be imitateed and match in excellence or beauty.The soft feeling that material itself has, firm sense, warming sense, cold and detached sense not only exert an influence to people's sense organ and spirit, and can give expression to building emotion.Therefore architects think, this is a kind of simplicity of noble quality, seem simple, the splendid artistic effect that has more of its fullsized.
Summary of the invention
The preparation method that the object of this invention is to provide the concavo-convex graining body of wall of a kind of clear-water concrete, the wooden texture of log that the present invention makes its Nature creating of decorating wall obtain has embodied the environmental protection concept of pure natural, ecosystem, it is a kind of embodiment of green building, ecotecture, it with concrete one-shot forming, do not do any modification, embody the quality of " wearing no make-up during an audience with the emperor ".
In order to realize above-mentioned object, the present invention has adopted following technical scheme:
A preparation method for the concavo-convex graining body of wall of clear-water concrete, the method comprises the following steps:
One, form work engineering
1.1, template adopts the composite shuttering system of panel+liner plate, and panel adopts veneer, and liner plate adopts strip U.S. Songyuan City wood timber;
1.2, template processing: liner plate requires the technological standards of living according to cabinet maker to carry out processing and fabricating, guarantees that plate seam is tight, and liner plate is first selected materials after marching into the arena, pass through again double surfacer material, then rush quasi-mode plate thickness, then with the sanding machine wood texture of polishing, then rush quasi-mode plate width, finally carry out fracture;
1.3, template is installed: location and absolute altitude have been controlled rear beginning installation form, before installation, the water seal of first brushing import of liner plate face Thomson, keeps moisture content within scope of design, prevents liner plate distortion, brushing release agent is twice again, every all over midfeather 10 ~ 14 hours, brushing should be thin and even, without leaking, brushes, after brushing, with clean dry towel, keep straight on and wipe, till making surface can not have the agent of mobile shape mould; 45 ° of cuttings are pressed in liner plate corner, and regulate the width of liner plate and correct liner plate torsion resistance, and liner plate adopts air gun nail to be connected with panel;
Two, reinforced bar engineering:
2.1, thickness of protection tier requires to be no less than 5cm, adopts with intensity the plastic cushion with color, and the dimension deviation of finished product reinforcing bar meets code requirement; To pull hook crotch place, must adopt 135 ° of crotches to process;
2.2, reinforcing bar is without floating rust, and during colligation, tied silk redundance bends inwards; Duo Bang bis-road positioning bars during the colligation of body of wall horizontal bar, high ejecting plate face 400mm;
2.3,, during reinforcement installation, for the electric welding construction of joint, make finished product;
2.4, stainless steel crack guiding groove is shaped as V-shape, is welded on shear force wall reinforcing steel bar, from template distance, is controlled at 8 ~ 12mm;
Three, concrete work:
3.1, concrete is selected: select clear-water concrete;
3.2, casting and compacting of concrete: before concreting, the foreign material in cleaning template, complete the subsurface work acceptance to reinforcing bar, pipeline set aside pre-embedded, constuction joint way; Water and smash layered blanking, every layer concrete is built thickness and is strict controlled in 400mm, and free blanking height must not surpass 2m; Clear-water concrete adopts self-compacting concrete, and in casting process, specific people successively uses waddy tamping incessantly, beats in template outside with rubber hammer simultaneously;
3.3, concrete curing: carry out in time the water seasoning of concrete during curing in the mold, guarantee that concrete surface long term is moistening, curing time must not be less than 14 days;
3.4, form removable: use crowbar, pad a thick veneer of 19mm between crowbar and concrete, for the template that is difficult to especially remove, by after liner plate dabbing, then row is removed;
Four, defect repair
4.1, bubble reparation
For the not serious bubble that affects clear-water concrete perception, do not repair; While needing to repair, first remove laitance and the loosening sand of concrete surface, with with the same producer of concrete, be modulated into cement paste with black, the white cement of intensity, trial test on model wall first, guarantees color and clear-water concrete solid colour after cement slurry sclerosis; Joint filling gently, and in bubble eye position, click gently with onesize wood chip, make it have grained;
4.2, repair at the foot of a wall, external corner spillage position
First the floating ash in cleaning surface, scrapes off the loosening sand in surface gently, with the dilution of 50% volume ratio of interfacial agents, is deployed into and the essentially identical cement plaster of concrete surface color, gets cement plaster smear in need reparation position with scraper; Treat before putty final set, use the original state liner plate of same modulus to stamp, and with instrument, liner plate is fixed in the above 24 hours;
4.3, large form edge joint position is repaired
To exposing stone, first with perching knife, even out, after polishing, need to repair with cement paste smooth, watering maintenance;
4.4, after concrete wall surface reparation completes, require to reach wall surface levelling, color is even, without obvious repairing mark; Apart from metope 5m place, observe, defect is invisible to the naked eye;
Five, smear engineering
Adopt water proofing property clear dope;
5.1, metope cleaning
Before primary coat construction, water cleans whole metope, to local oiliness position, adopts alkaline dilution to clean, and adopts special clip to be taken out to wood chip, and after completing, maintenance body of wall is dry;
5.2, color adjustment
With adjusting material, the obvious position of aberration is adjusted, made integral wall surface concrete color roughly even;
5.3, primary coat construction
Before primary coat construction, should guarantee that metope moisture content is lower than 10%, solution uses Cylinder coating brush uniformly on metope, is divided into twice brushing, the 6-8 hour of being separated by of each time, and each brushing THICKNESS CONTROL is at 30 μ m, and the consumption being coated with according to 0.16kg/m2 every 1 is controlled;
5.4, face is coated with construction
After primary coat completes, should fully be dried and can carry out face and be coated with construction, primary coat construction is carried out face and is coated with construction after 12-14 hour, and face spreads notes cylinder man-hour firmly evenly, and the concrete wall surface darker to color increases brushing pass, and metope texture is reached unanimity as far as possible.
As preferably, the thickness of described panel is 15 ~ 20mm, and liner plate has 1.8 ~ 2.0cm, 2.4 ~ 2.8cm, tri-kinds of thickness of 3.0 ~ 3.2cm.
As preferably, glass fiber screw rod is set and regulates smooth vertical and horizontal position, glass fiber screw rod is connected with plug, and plug and template are adjacent to, and adopt iron screw rod to replace described glass fiber screw rod at frame column and concrete wall corner.
As preferably, according to the difference of shear wall thickness, the glass fiber pull bar lining rod of corresponding length is set, to guarantee the accuracy of thickness.
As preferably, the high constuction joint that arranges of every 1800mm posts two-sided tape at constuction joint place before hypomere construction.
The present invention is owing to having adopted above-mentioned technical scheme, the concavo-convex wood grain clear-water concrete that making obtains is as decorating a kind of of clear-water concrete, the wooden texture of log of its Nature creating has embodied the environmental protection concept of pure natural, ecosystem, it is a kind of embodiment of green building, ecotecture, it is adhered to concrete one-shot forming, is not done any modification, embodies the quality of " wearing no make-up during an audience with the emperor ".
The specific embodiment
Below the preparation method of the concavo-convex graining body of wall of a kind of clear-water concrete of the present invention is described further.
1, form work engineering
Form work engineering determines the most critical factor of wood grain dry concrete wall final effect; form work engineering comprises the selection of form surfacing (liner plate) material; the design verification of template system, template processing, installation, dismounting, maintenance, release agent select and template is stacked protection etc.
1.1, template adopts the composite shuttering system of panel+liner plate, panel adopts the thick veneer of 18mm, liner plate adopts 1.9 cm, the thick strip U.S. of 2.5 cm, 3.2cm Songyuan City wood timber, strip liner plate width is 6cm, 9 cm, tri-kinds of specifications of 15 cm, and the typesetting figure that the typesetting of concrete every wall is provided with design is as the criterion.
1.2, the design verification of template system is as the criterion with in-depth figure and constructure scheme, perpendicular stupefied employing 48 * 90 thicknesser lumps of wood, the wide zinc-plated C shaped steel of horizontal stupefied employing 75 and Φ 48*3.0 steel pipe.
1.3, template processing: require the technological standards of living according to cabinet maker to carry out processing and fabricating, guarantee that plate seam is tight, liner plate is first selected materials after marching into the arena, pass through again double surfacer material, rush again quasi-mode plate thickness, then, with the sanding machine wood texture of polishing, then rush quasi-mode plate width, finally carry out fracture, on-gauge plate length is 1800mm.
1.4, template is installed: location and absolute altitude have been controlled rear beginning installation form, before installation, the water seal of first brushing import of liner plate face Thomson keeps moisture content within scope of design as far as possible, prevents liner plate distortion, brushing release agent is twice again, every all over midfeather 12 hours (brushing again after liner plate is ordered on panel for second time), brushing should be thin and even, without leaking brush, after brushing, with clean dry towel, keep straight on and wipe, till making surface can not have the agent of mobile shape mould.45 ° of cuttings are pressed in grain board corner, and regulate the width of grain board and correct grain board torsion resistance, and liner plate adopts air gun nail to be connected with panel.Notice at any time that in addition the grain board minimal thickness marking on drawing changes, glass fiber screw rod (ecru, color and concrete approach) position accomplishes smooth vertical and horizontal, plug must be adjacent to template, prevent that concrete mortar from entering, wherein frame column and concrete wall corner adopt iron screw rod, in case the mould phenomenon that rises.During installation, strictly control the foreign material such as wood chip, iron nail and enter in shear wall, post and beam forms, if produce rubbish, adopt the instruments such as dust catcher, magnet, special-purpose hawkbill to clear up.According to the difference of shear wall thickness, the glass fiber pull bar lining rod (ecru, color and concrete approach) of corresponding length is set, to guarantee the accuracy of thickness.The high constuction joint that arranges of every 1800mm posts two-sided tape at constuction joint place before hypomere construction, and mortar leakage prevention produces.
1.5, form removable: produce for reducing crack after concreting completes, therefore adopt the curing in the mold maintenance method of at least 14 days, forbid in advance form removal, during form removal, should accomplish gently, forbid barbarous form removal, wherein thin Yu the thickest liner plate thickness differs 1.3cm, use pry bar special for new type, between crowbar and concrete, pad a thick veneer of 19mm, for the template that is difficult to especially remove, to after liner plate dabbing, (use iron cone or sanding machine), then row is removed.In template construction process; must strengthen the protection consciousness of workman to Shimizu concrete template; should prevent the physical damnification that reinforcing bar, steel pipe, scaffold etc. cause template, and the damage to template limit such as rope in the process of lifting template, guarantee the shimizu finish effect of institute's pouring concrete.
2, reinforced bar engineering:
For guaranteeing after concrete removal, without revealing muscle, crossing thin phenomenon without iron rust, topping, to reach shimizu finish effect, need control layer by layer from turning over sample, making, three links of colligation.
2.1, thickness of protection tier requires to be no less than 5cm, adopts with intensity the plastic cushion with color, and the dimension deviation of finished product reinforcing bar meets code requirement.To pull hook crotch, place must adopt 135
ocrotch is processed.
2.2, reinforcing bar, without floating rust, is avoided, because the floating rust of reinforcing bar pollutes template, affect wood grain clear-water concrete decorative effect, to truly have floating should clearing up and be disposed of becoming rusty before formwork, and before not clearing up and being disposed, must not formwork and installation form.During colligation, tied silk redundance bends inwards, in order to avoid cause embroidery spot because exposing.Duo Bang bis-road positioning bars during the colligation of body of wall horizontal bar, high ejecting plate face 400mm, to prevent the displacement of body of wall muscle.
2.3, during reinforcement installation, for the electric welding construction of joint, must make finished product, forbid electric welding or residual welding slag when formwork or after completing, with burnout-proof template and foreign material, fall in template.
2.4, stainless steel crack guiding groove is shaped as V-shape, is welded on shear force wall reinforcing steel bar, to reduce the principle of shear wall cross section, makes the generation in crack regular, from template distance, is controlled at 10mm left and right.
3, concrete work:
3.1, design of concrete: select clear-water concrete; guarantee that concrete workability, color and luster are evenly, meet the demands without steam bubble, the slump, divergence; enter mould divergence and be controlled at 500-600mm left and right; guarantee that concrete has good mobility; reducing crack produces; after test of many times is determined optimum mix proportion, should not change.
3.2, concrete mixing: before blanking, coarse aggregate is screened to cleaning, foreign material in aggregate or heterochromatic stone are picked out to (selecting the uniform cyan rubble of color).Fines is selected medium coarse sand, solid colour, and clean.The whole concrete raw material (comprising Admixture and titanium dioxide) that engineering is used, use product the enough amounts of disposable buying of same manufacturer to be stored in special-purpose place, use special-purpose stirring machine ready-mixed concrete, concrete special transport vehicle transportation concrete.Strict implement concrete entry test system, in check, have range estimation concrete appearance color and luster, have or not bleeding segregation, by car, concrete divergence is sampled to experiment, whether meet technical requirements, and perform clerking, in case of undesirable, forbid to use, concrete by dispatch from the factory to the time of building can not be over 2 hours.
3.3, casting and compacting of concrete: before concreting, the foreign material in cleaning template, complete the subsurface work acceptance to reinforcing bar, pipeline set aside pre-embedded, constuction joint way.Water and smash layered blanking, every layer concrete is built thickness and is strict controlled in 400mm, and free blanking height must not surpass 2m.Wood grain clear-water concrete adopts self-compacting concrete, in casting process, specific people successively uses waddy tamping incessantly, in template outside, with rubber hammer, beat simultaneously, forbid to use vibrating head to vibrate, guarantee that concrete surface color and luster is consistent, make dissipations of fully floating of bubble in concrete, improve concrete density and minimizing interior formwork.During concreting, do not collide various embedded parts, the mortar and the concrete that are bonded on horizontal reinforcement should touch down gently.
3.4, concrete curing: carry out in time the water seasoning of concrete during curing in the mold, guarantee that concrete surface long term is moistening, curing time must not be less than 14 days.
4, defect repair
4.1, bubble reparation
For the not serious bubble that affects clear-water concrete perception, do not repair in principle; While needing to repair, first remove laitance and the loosening sand of concrete surface, with with the same producer of concrete, be modulated into cement paste with black, the white cement of intensity, trial test on model wall first, guarantees color and clear-water concrete solid colour after cement slurry sclerosis.Joint filling gently, and in bubble eye position, click gently with onesize wood chip, make it have grained.
4.2, repair at the foot of a wall, external corner spillage position
First the surperficial floating ash of cleaning, scrapes off the loosening sand in surface gently, with the dilution (approximately 50%) of interfacial agents, is deployed into and the essentially identical cement plaster of concrete surface color, gets cement plaster smear in need reparation position with scraper.Treat before putty final set, use the original state liner plate of same modulus to stamp, and with instrument, liner plate is fixed in the above 24 hours.
4.3, large form edge joint position is repaired
To exposing stone, first with perching knife, even out, after polishing, need to repair with cement paste smooth, watering maintenance.
4.4, after concrete wall surface reparation completes, require to reach wall surface levelling, color is even, without obvious repairing mark; Apart from metope 5m place, observe, defect is invisible to the naked eye.
5, smear engineering
Adopt water proofing property clear dope.
5.1, metope cleaning
Before primary coat construction, water cleans whole metope, to local oiliness position, adopts alkaline dilution to clean, and adopts special clip to be taken out to wood chip, and after completing, maintenance body of wall is dry.
5.2, color adjustment
With adjusting material, the obvious position of aberration is adjusted, made integral wall surface concrete color roughly even.
5.3, primary coat construction
Before primary coat construction, should guarantee that metope moisture content is lower than 10%, solution uses Cylinder coating brush uniformly on metope, is divided into twice brushing, the 6-8 hour of being separated by of each time, and each brushing THICKNESS CONTROL is at 30 μ m, and the consumption being coated with according to 0.16kg/m2 every 1 is controlled.
5.4, face is coated with construction
After primary coat completes, should fully be dried and can carry out face painting construction, general dry weather carried out face and is coated with construction after 12-14 hour, face spreads notes cylinder man-hour firmly evenly, and the concrete wall surface darker to color increases brushing pass, and metope texture is reached unanimity as far as possible.
6, clear-water concrete finished product protection
While 6.1, building concrete, template is subject to concrete lateral pressure to produce trickle distortion can to cause a small amount of stream to starch, cement paste stream pendant pollutes lower floor's exterior wall when preventing that upper strata body of wall from building, first on the metope that completes, in port recess, with transparent adhesive tape, the wide Polypropylence Sheet of 30cm is firmly sticked on metope, on Polypropylence Sheet, paste again sponge bar, install template, build concrete, make pulp-water along Polypropylence Sheet outside wall, while building, send special messenger's all-the-way tracking, the trickling cement paste occurring is once in a while rinsed well immediately.
6.2, to completed clear-water concrete metope external corner, adopt three-ply board to fix, prevent that handling in work progress, installation, form removal etc. are to concrete destruction.
Claims (5)
1. a preparation method for the concavo-convex graining body of wall of clear-water concrete, is characterized in that the method comprises the following steps:
One, form work engineering
1.1, template adopts the composite shuttering system of panel+liner plate, and panel adopts veneer, and liner plate adopts strip U.S. Songyuan City wood timber;
1.2, template processing: liner plate requires the technological standards of living according to cabinet maker to carry out processing and fabricating, guarantees that plate seam is tight, and liner plate is first selected materials after marching into the arena, pass through again double surfacer material, then rush quasi-mode plate thickness, then with the sanding machine wood texture of polishing, then rush quasi-mode plate width, finally carry out fracture;
1.3, template is installed: location and absolute altitude have been controlled rear beginning installation form, before installation, the water seal of first brushing import of liner plate face Thomson, keeps moisture content within scope of design, prevents liner plate distortion, brushing release agent is twice again, every all over midfeather 10 ~ 14 hours, brushing should be thin and even, without leaking, brushes, after brushing, with clean dry towel, keep straight on and wipe, till making surface can not have the agent of mobile shape mould; 45 ° of cuttings are pressed in liner plate corner, and regulate the width of liner plate and correct liner plate torsion resistance, and liner plate adopts air gun nail to be connected with panel;
Two, reinforced bar engineering:
2.1, thickness of protection tier requires to be no less than 5cm, adopts with intensity the plastic cushion with color, and the dimension deviation of finished product reinforcing bar meets code requirement; To pull hook crotch place, adopt 135 ° of crotches to process;
2.2, reinforcing bar is without floating rust, and during colligation, tied silk redundance bends inwards; Duo Bang bis-road positioning bars during the colligation of body of wall horizontal bar, high ejecting plate face 400mm;
2.3,, during reinforcement installation, for the electric welding construction of joint, make finished product;
2.4, stainless steel crack guiding groove is shaped as V-shape, is welded on shear force wall reinforcing steel bar, from template distance, is controlled at 8 ~ 12mm;
Three, concrete work:
3.1, concrete is selected: select clear-water concrete;
3.2, casting and compacting of concrete: before concreting, the foreign material in cleaning template, complete the subsurface work acceptance to reinforcing bar, pipeline set aside pre-embedded, constuction joint way; Water and smash layered blanking, every layer concrete is built thickness and is strict controlled in 400mm, and free blanking height must not surpass 2m; Clear-water concrete adopts self-compacting concrete, and in casting process, specific people successively uses waddy tamping incessantly, beats in template outside with rubber hammer simultaneously;
3.3, concrete curing: carry out in time the water seasoning of concrete during curing in the mold, guarantee that concrete surface long term is moistening, curing time must not be less than 14 days;
3.4, form removable: use crowbar, pad a thick veneer of 19mm between crowbar and concrete, for the template that is difficult to especially remove, by after liner plate dabbing, then row is removed;
Four, defect repair
4.1, bubble reparation
For the not serious bubble that affects clear-water concrete perception, do not repair; While needing to repair, first remove laitance and the loosening sand of concrete surface, with with the same producer of concrete, be modulated into cement paste with black, the white cement of intensity, trial test on model wall first, guarantees color and clear-water concrete solid colour after cement slurry sclerosis; Joint filling gently, and in bubble eye position, click gently with onesize wood chip, make it have grained;
4.2, repair at the foot of a wall, external corner spillage position
First the floating ash in cleaning surface, scrapes off the loosening sand in surface gently, with the dilution of 50% volume ratio of interfacial agents, is deployed into and the essentially identical cement plaster of concrete surface color, gets cement plaster smear in need reparation position with scraper; Treat before putty final set, use the original state liner plate of same modulus to stamp, and with instrument, liner plate is fixed in the above 24 hours;
4.3, large form edge joint position is repaired
To exposing stone, first with perching knife, even out, after polishing, need to repair with cement paste smooth, watering maintenance;
4.4, after concrete wall surface reparation completes, require to reach wall surface levelling, color is even, without obvious repairing mark; Apart from metope 5m place, observe, defect is invisible to the naked eye;
Five, smear engineering
Adopt water proofing property clear dope;
5.1, metope cleaning
Before primary coat construction, water cleans whole metope, to local oiliness position, adopts alkaline dilution to clean, and adopts special clip to be taken out to wood chip, and after completing, maintenance body of wall is dry;
5.2, color adjustment
With adjusting material, the obvious position of aberration is adjusted, made integral wall surface concrete color roughly even;
5.3, primary coat construction
Before primary coat construction, should guarantee that metope moisture content is lower than 10%, solution uses Cylinder coating brush uniformly on metope, is divided into twice brushing, the 6-8 hour of being separated by of each time, and each brushing THICKNESS CONTROL is at 30 μ m, and the consumption being coated with according to 0.16kg/m2 every 1 is controlled;
5.4, face is coated with construction
After primary coat completes, should fully be dried and can carry out face and be coated with construction, primary coat construction is carried out face and is coated with construction after 12-14 hour, and face spreads notes cylinder man-hour firmly evenly, and the concrete wall surface darker to color increases brushing pass, and metope texture is reached unanimity as far as possible.
2. the preparation method of the concavo-convex graining body of wall of a kind of clear-water concrete according to claim 1, is characterized in that: the thickness of panel is 15 ~ 20mm, and liner plate has 1.8 ~ 2.0cm, 2.4 ~ 2.8cm, tri-kinds of thickness of 3.0 ~ 3.2cm.
3. the preparation method of the concavo-convex graining body of wall of a kind of clear-water concrete according to claim 1, it is characterized in that: glass fiber screw rod is set and regulates smooth vertical and horizontal position, glass fiber screw rod is connected with plug, plug and template are adjacent to, and adopt iron screw rod to replace described glass fiber screw rod at frame column and concrete wall corner.
4. the preparation method of the concavo-convex graining body of wall of a kind of clear-water concrete according to claim 1, is characterized in that: according to the difference of shear wall thickness, the glass fiber pull bar lining rod of corresponding length is set, to guarantee the accuracy of thickness.
5. the preparation method of the concavo-convex graining body of wall of a kind of clear-water concrete according to claim 1, is characterized in that: the high constuction joint that arranges of every 1800mm posts two-sided tape at constuction joint place before hypomere construction.
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| CN117188709A (en) * | 2023-11-07 | 2023-12-08 | 北京建工四建工程建设有限公司 | Dry-hanging construction method for large-plate-shaped concrete plate |
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Address after: 314515 Gaoqiao Town, Zhejiang City, Tongxiang Province Patentee after: Jujiang?Construction Group Co., Ltd. Address before: Tongxiang City Qingfeng road Jiaxing City, Zhejiang province 314500 No. 669 Patentee before: Jujiang Construction Group Co., Ltd. |