CN105756339A - Construction process for wood mark facing fair-faced concrete - Google Patents
Construction process for wood mark facing fair-faced concrete Download PDFInfo
- Publication number
- CN105756339A CN105756339A CN201610128500.2A CN201610128500A CN105756339A CN 105756339 A CN105756339 A CN 105756339A CN 201610128500 A CN201610128500 A CN 201610128500A CN 105756339 A CN105756339 A CN 105756339A
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- wood
- panel
- template
- backboard
- concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G9/04—Forming boards or similar elements the form surface being of wood
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention relates to a construction process for wood mark facing fair-faced concrete. The process comprises the following steps: performing three-side planing on wood laths, thereby obtaining wood mark molded panels; performing spot welding fixation on a square steel keel and steel pipes, and forming a keel frame; tiling back plates and fixing on the square steel keel of the keel frame, and planing the bottom sides of the back plates; tightly splicing the panels to the back plates, and controlling the lath gaps of the panels to be less than 1mm, wherein the height difference is less than 0.5mm, an internal corner of 45 degrees is obliquely planed, and two sides of the internal corner are tightly spliced; fixing by adopting a three-section through-wall split bolt after a template is lifted in place, and adjusting the perpendicularity and flatness; and removing the formwork after pouring concrete within 7 days. The construction process disclosed by the invention is simple, high in operability, economic and reasonable, and the obtained wood mark facing fair-faced concrete is natural and clear in wood texture marks and good in effect.
Description
Technical field
The present invention relates to technical field of building construction, specifically the construction technology of a kind of wood trace fair-faced concrete.
Background technology
The wooden trace fair-faced concrete of building is seldom seen in the whole nation at present, is more belonging in Guangxi initiate.There is techniques below difficult point in the construction of existing wood trace fair-faced concrete:
1. existing design drawing simply indicates to have a wooden trace at concrete, but the concrete surface effect of wood trace just can determine that after model wall to be onstructed, is difficult to find that implementing direction before construction.
2. the end product quality of concrete surface to reach the standard of fair-faced concrete, during template construct, adjacent two pieces of form height differences are not more than 1mm, the perpendicularity installed is not more than 3mm, flatness is not more than 2mm, yin, yang angle is straight, the difficulty made and install is relatively big, and template system is different from normal concrete, and workman is difficult to be fully appreciated that.
3. must be stained with some concrete cement mortars between the wooden trace skin texture of the wood lath split out after casting concrete, manually cannot clean out and be reduced to original state, again have enough to meet the need use, it is necessary to again splicing with new plate, cost is huge.
Summary of the invention
It is an object of the invention to for above-mentioned prior art Problems existing, a kind of wooden trace fair-faced concrete construction technology constructing simplicity, strong operability and economical rationality is provided, while concrete surface reflects design effect, also to reach the acceptance criteria of clear-water concrete technical regulation (JGJ169-2009).
The present invention adopts the technical scheme that: the construction technology of a kind of wood trace fair-faced concrete, including step in detail below:
(1) panel wood trace molding: be processed by wood lath, makes the consistency of thickness of wood lath, and width is consistent, and the machining deviation of thickness and width controls within 1mm；Again wood lath is carried out three faces to scrape, obtain the panel of wood trace molding；
(2) installing Os Draconis: parallel laid one arranges the rebasing wood a tree, used in making timber for boats of consistency of thickness on the ground, place two steel pipes, and make two steel pipes be arranged in parallel in approximately the same plane on the direction vertical with rebasing wood a tree, used in making timber for boats, the spacing of two steel pipes is 1.2-1.8m；Tile square steel Os Draconis on the direction vertical with steel pipe, and square steel Os Draconis and steel pipe spot welding is fixed, and forms keel shoe and makes square steel Os Draconis face in approximately the same plane；
(3) backboard splicing: using wood plywood as backboard, backboard is tiled and is fixed on the square steel Os Draconis of keel shoe, backboard base of planishing；
(4) panel splicing: accurately draw the sideline of first row panel on backboard face, panel is followed closely on backboard by the first row sideline drawn, and makes panel be adjacent to backboard；Spell second row panel subsequently, first row panel sides is close in the side of panel, continue to splice the panel of follow-up row after completing like this, the panel sides spliced is planished, and make the panel longitudinal joint that splicing completes straight, between the lath of control panel, gap is less than 1mm, and difference of height is less than 0.5mm, thus obtaining template；Formwork inside-corner is tiltedly dug 45 degree, it is ensured that the two sides template splicing of inner corner trim is closely knit；The inner corner trim of floor and wall junction is at the scene after wall form is fixing, more tiltedly digs the panel of 45 degree with longitudinal side and wall internal corner formwork closes up closely knit nail on backboard, then proceedes to splice the panel of follow-up row；
(5) model sheetinstallat: draw split bolt hole point by smooth vertical and horizontal requirement in template face, bores wall-crossing opposite-drawing bolt hole, cleans up the wood flour got out subsequently；Put in place by lifting after lifting requirements reinforcing template, messenger wire Uprightness adjusting degree；After vertically fixing a side template by middle waterproof to draw internal support bolt and outside to drawing outer staybolt to fix, after two side templates are all vertically fixed, by another to drawing outer staybolt to stretch into from the hole being drilled in opposite side template relevant position in advance with middle waterproof drawing internal support bolt to tighten；By support steel pipe is adjusted two cheek boards perpendicularity and flatness outside template；
(6) for avoiding foundation, suspension column concrete spillage to pollute lower-layer concrete surface, wall top, capital template to exceed flooring 5cm, so that the template slitless connection of upper and lower two-layer；Floor parting follows closely the wooden outer wall concave line of 2cm × 1cm, the flat flooring absolute altitude in wood outer wall concave line face at flooring absolute altitude place；Next layer of wall, column template could be removed after last layer wall, post concreting；Deforming for avoiding the wood lath in template face to expose to the sun and rain and be contaminated, mounted template colour bar cloth covers；Exceed the wall of flooring, column template nail colour bar cloth covers, it is to avoid the cement mortar that casting concrete has splashed pollutes；
(7) concreting: before concreting, every day, use water watered template, made panel imbibition, and compacted plate stitches, it is prevented that spillage, and facade concreting completes form removal more later in 7 days, and guarantees form removal adhesion, and finished product concrete corner angle are complete；After form removal, timely covered with plastic film, uses template protection thin film, it is prevented that concrete surface is contaminated and damages simultaneously.
In described step (3), backboard and square steel Os Draconis are fixed by tapping screw.
In described step (4), panel is fixed on backboard by pneumatic steel nail.
The present invention possesses following beneficial effect:
(1) utilizing construction technology of the present invention, the texture vestige on the wooden trace fair-faced concrete surface obtained is natural, clear, reaches design effect, and concrete impression quality is good, dense surface, uniform color, the defects such as peeling, honeycomb, crack does not occur.
(2) do not have contaminated through the concrete of finished product protection, maintain the perception effect of clear-water concrete.
(3) plank sheathing of the present invention is close to normal wood template, structure simplicity, and workman is comprehensible, it is easy to operation.
(4) materials'use of the present invention is reasonable, it is possible to reduce waste of material, reduces input cost.
Detailed description of the invention
Implement one: panel is processed
nullInventor purchases back and supplies general 50mm width on 10 markets、12mm is thick、The sawmilling wood lath of 2m length，Measure the size of wood lath，Have found that the deformation naturally of wood lath，Total length buckling about 3cm，Side is difficult to saw straight planing，Sawmilling wood lath wide for 80mm need to be opened，Amputate longitudinal curved portions，Can be only achieved requirement，Inventor ponders deeply the random close joint splicing of the transverse joint between every piece of Chinese fir board of designing requirement，The intention of the fissure of displacement about 400mm，Attempt being divided into 1.5m and 0.5m to measure the sawmilling wood lath of 2m length，The total length buckling of 0.5m length is 2mm，It is negligible，The total length buckling of 1.5m length reduces to 1.2cm，The wood lath of 1.5m length is erected by inventor，Attempt being pressed downward against in centre，Can by wood lath straightening，Namely jam-packed patch in side when the wood lath of 1.5m length can splice is shown，Form vertical masonry joint，Therefore，Inventor finally determines that the specification of panel is scrape in three faces，It is of a size of 50mm width、10mm is thick，Mismachining tolerance is in 1mm，Length is divided into 1.5m and 0.5m.
Implement two: keel installation
1, first press 1.5m on ground between left and right from the rebasing wood a tree, used in making timber for boats spreading 50mm*80mm, 2m length, rebasing wood a tree, used in making timber for boats puts elongated A48 steel pipe for fixing square steel Os Draconis temporarily by about 1.5m interval vertical；
2, with timber wedge pad adjusting steel pipe height at the bottom of steel pipe, make steel pipe face in approximately the same plane, follow closely the fixing steel pipe of little plank in steel pipe both sides；
3, square steel Os Draconis are laid on steel pipe face by spacing 500mm, and spot welding is fixed, and form keel shoe.
Implement three: backboard splices
Inventor is from both can guarantee that panel splicing is smooth, and the purpose saving again material is set out, and the wood plywood at decision scene makees backboard, and backboard is at least most probably new, without warpage, corner cracking.Size according to every piece of template, with the long 1.83m of monoblock, wide 0.915m wooden agglutination formwork for primary module, the standard CAD just taking square steel Os Draconis face 15mm～20mm by template two edge lengths draws form assembly layout position figure, residue corner draws cutting size with processing the remaining tailing treatment in accordance with local conditions of template further according to scene, finally form assembly layout position figure is issued to workman, allow workman by figure blanking, splicing backboard, thus reducing the waste of wooden agglutination formwork.For making first row panel splicing straight, to planish in backboard base.
This enforcement is by special layout template, by form assembly layout position figure blanking, it is to avoid the template preparation stage arbitrarily cuts template, efficiently reduces the waste of wooden agglutination formwork.
Implement four: panel splicing
1, accurately draw the sideline of first row panel in backboard face, panel is followed closely on backboard by the first row sideline drawn；
2, spelling second row panel subsequently, first row panel sides is close in the side of panel, continues to splice the panel of follow-up row after completing like this.During nail panel, plate face to be adjacent to backboard；
3, the panel longitudinal joint spliced is straight, and between lath, gap is less than 1mm, and difference of height is less than 0.5mm；
4, the panel sides that monolithic has spliced is not also very straight, it is necessary to planing, and the template external corner of installation could be straight.Internal corner formwork tiltedly digs 45 degree, guarantee that the two sides splicing of inner corner trim is closely knit, the inner corner trim of floor and wall junction is at the scene after wall form is fixing, more tiltedly digs the panel of 45 degree with longitudinal side and wall internal corner formwork closes up closely knit nail on backboard, then proceedes to splice the panel of follow-up row；
5, due to the random close joint splicing of panel transverse joint, the fissure of displacement about 400mm, after every piece of plate splicing, the panel of residue more than 400mm will reclaim, for next block template splicing.
Implement five: model sheetinstallat
1, draw split bolt hole point by smooth vertical and horizontal requirement with spacing 450mm in template face, bore the wall-crossing opposite-drawing bolt hole of A16mm, clean up the wood flour got out subsequently；
2, put in place by lifting after lifting requirements reinforcing template, messenger wire Uprightness adjusting degree；
3, vertically fix a side template by middle waterproof to draw internal support bolt and outside to drawing outer staybolt to fix, after two side templates are all vertically fixed, by another to drawing outer staybolt to stretch into from the hole being drilled in opposite side template relevant position in advance with middle waterproof drawing internal support bolt to tighten；" three is tight " measure is taked in tightening of split bolt, it may be assumed that tighten before concreting once, concreting 1/3 time tighten once, concreting is tightened once time complete；
4, by support steel pipe being adjusted the perpendicularity of two cheek boards and flatness until meeting the requirements outside template；
5, being avoid the panel in template face to expose to the sun and rain to deform and be contaminated, mounted template colour bar cloth covers.The wall form nail colour bar cloth exceeding flooring covers, it is to avoid the cement mortar that casting concrete has splashed pollutes.
This enforcement is by telling somebody what one's real intentions are and checking and accepting model sheetinstallat process, and the template of installation reaches clear-water concrete technical regulation (JGJ169-2009) acceptance criteria.
Implement six: concreting
After template construct, installation, concreting work should carry out according to claimed below:
1, use every day water waters plank sheathing, makes panel imbibition, and compacted plate stitches, it is prevented that spillage；
2, requiring that the concrete color that commerical ready-mixed concrete producer prepares must be consistent, particle diameter 5-20mm, grating are continuous, and workability is good, also to mix defoamer, reduce bubble；
3, strict implement concrete vibrating procedure operation, within the layer thickness of every layer concrete is strict controlled in 400mm, and vibrates in time, fully discharges the air in concrete, it is prevented that pore occurs in concrete surface.Vibrating head inserts spacing and is not more than 30cm, it is to avoid leakage is shaken；
4, concrete maintenance is strengthened, it is to avoid concrete shrinkage crack occurs；
5, complete latter 7 days ability of facade concreting form removal, it is ensured that form removal adhesion, finished product concrete corner angle are complete；
6, timely covered with plastic film after form removal, uses template protection thin film, it is prevented that concrete surface is contaminated and damages simultaneously.
Final implementation result inspection: concrete is without defects such as honeycombs, and finished product is effective, concrete surface is not contaminated and damages.
Claims (3)
1. the construction technology of a wooden trace fair-faced concrete, it is characterised in that include step in detail below:
(1) panel wood trace molding: be processed by wood lath, makes the consistency of thickness of wood lath, and width is consistent, and the machining deviation of thickness and width controls within 1mm；Again wood lath is carried out three faces to scrape, obtain the panel of wood trace molding；
(2) installing Os Draconis: parallel laid one arranges the rebasing wood a tree, used in making timber for boats of consistency of thickness on the ground, place two steel pipes, and make two steel pipes be arranged in parallel in approximately the same plane on the direction vertical with rebasing wood a tree, used in making timber for boats, the spacing of two steel pipes is 1.2-1.8m；Tile square steel Os Draconis on the direction vertical with steel pipe, and square steel Os Draconis and steel pipe spot welding is fixed, and forms keel shoe and makes square steel Os Draconis face in approximately the same plane；
(3) backboard splicing: using wood plywood as backboard, backboard is tiled and is fixed on the square steel Os Draconis of keel shoe, backboard base of planishing；
(4) panel splicing: draw the sideline of first row panel on backboard face, panel is followed closely on backboard by the first row sideline drawn, and makes panel be adjacent to backboard；Spell second row panel subsequently, first row panel sides is close in the side of panel, continue to splice the panel of follow-up row after completing like this, the panel sides spliced is planished, and make the panel longitudinal joint that splicing completes straight, between the lath of control panel, gap is less than 1mm, and difference of height is less than 0.5mm, thus obtaining template；Formwork inside-corner is tiltedly dug 45 degree, it is ensured that the two sides template splicing of inner corner trim is closely knit；The inner corner trim of floor and wall junction is at the scene after wall form is fixing, more tiltedly digs the panel of 45 degree with longitudinal side and wall internal corner formwork closes up closely knit nail on backboard, then proceedes to splice the panel of follow-up row；
(5) model sheetinstallat: draw split bolt hole point by smooth vertical and horizontal requirement in template face, bores wall-crossing opposite-drawing bolt hole, cleans up the wood flour got out subsequently；Put in place by lifting after lifting requirements reinforcing template, messenger wire Uprightness adjusting degree；After vertically fixing a side template by middle waterproof to draw internal support bolt and outside to drawing outer staybolt to fix, after two side templates are all vertically fixed, by another to drawing outer staybolt to stretch into from the hole being drilled in opposite side template relevant position in advance with middle waterproof drawing internal support bolt to tighten；By support steel pipe is adjusted two cheek boards perpendicularity and flatness outside template；
(6) for avoiding foundation, suspension column concrete spillage to pollute lower-layer concrete surface, wall top, capital template to exceed flooring, so that the template slitless connection of upper and lower two-layer；Floor parting is at flooring absolute altitude place nail wood outer wall concave line, the flat flooring absolute altitude in wood outer wall concave line face；Next layer of wall, column template is removed again after last layer wall, post concreting；
(7) concreting: before concreting, every day, use water watered template, made panel imbibition, and compacted plate stitches, it is prevented that spillage, and facade concreting completes form removal more later in 7 days, and guarantees form removal adhesion, and finished product concrete corner angle are complete；After form removal, timely covered with plastic film, uses template protection thin film, it is prevented that concrete surface is contaminated and damages simultaneously.
2. the construction technology of wood trace fair-faced concrete according to claim 1, it is characterised in that in described step (3), backboard and square steel Os Draconis are fixed by tapping screw.
3. the construction technology of wood trace fair-faced concrete according to claim 1 and 2, it is characterised in that in described step (4), panel is fixed on backboard by pneumatic steel nail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610128500.2A CN105756339A (en) | 2016-03-07 | 2016-03-07 | Construction process for wood mark facing fair-faced concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610128500.2A CN105756339A (en) | 2016-03-07 | 2016-03-07 | Construction process for wood mark facing fair-faced concrete |
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| Publication Number | Publication Date |
|---|---|
| CN105756339A true CN105756339A (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610128500.2A Pending CN105756339A (en) | 2016-03-07 | 2016-03-07 | Construction process for wood mark facing fair-faced concrete |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158943A (en) * | 2019-06-05 | 2019-08-23 | 桂林理工大学 | A kind of clear-water concrete shear wall formwork and to drawing element apparatus |
| CN110158944A (en) * | 2019-06-05 | 2019-08-23 | 桂林理工大学 | Clear-water concrete shear wall formwork and to draw component production method |
| CN112412028A (en) * | 2020-11-23 | 2021-02-26 | 上海宝冶集团有限公司 | Groove and tongue processing method for ensuring joint effect of wood grain fair-faced concrete |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1181610A (en) * | 1997-09-01 | 1999-03-26 | Tokihisagumi:Kk | Patterning method on concrete face and implement therefor |
| CN103938866A (en) * | 2014-04-22 | 2014-07-23 | 巨匠建设集团有限公司 | Installing method for construction formwork of bare concrete concave-convex wood grain decoration wall |
| CN104234413A (en) * | 2014-09-17 | 2014-12-24 | 深圳市建业建筑工程有限公司 | Production method of wood grain as-cast finish concrete template |
| CN204531376U (en) * | 2015-04-23 | 2015-08-05 | 江苏省华建建设股份有限公司 | Wood grain clear water gang form system |
-
2016
- 2016-03-07 CN CN201610128500.2A patent/CN105756339A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1181610A (en) * | 1997-09-01 | 1999-03-26 | Tokihisagumi:Kk | Patterning method on concrete face and implement therefor |
| CN103938866A (en) * | 2014-04-22 | 2014-07-23 | 巨匠建设集团有限公司 | Installing method for construction formwork of bare concrete concave-convex wood grain decoration wall |
| CN104234413A (en) * | 2014-09-17 | 2014-12-24 | 深圳市建业建筑工程有限公司 | Production method of wood grain as-cast finish concrete template |
| CN204531376U (en) * | 2015-04-23 | 2015-08-05 | 江苏省华建建设股份有限公司 | Wood grain clear water gang form system |
Non-Patent Citations (1)
| Title |
|---|
| 余昌斌: "木纹粗面清水混凝土模板施工技术", 《福建建材》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158943A (en) * | 2019-06-05 | 2019-08-23 | 桂林理工大学 | A kind of clear-water concrete shear wall formwork and to drawing element apparatus |
| CN110158944A (en) * | 2019-06-05 | 2019-08-23 | 桂林理工大学 | Clear-water concrete shear wall formwork and to draw component production method |
| CN112412028A (en) * | 2020-11-23 | 2021-02-26 | 上海宝冶集团有限公司 | Groove and tongue processing method for ensuring joint effect of wood grain fair-faced concrete |
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Application publication date: 20160713 |
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