CN105804391B - The construction method of special-shaped hyperboloid wood grain dry concrete wall gang form - Google Patents
The construction method of special-shaped hyperboloid wood grain dry concrete wall gang form Download PDFInfo
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- CN105804391B CN105804391B CN201610178933.9A CN201610178933A CN105804391B CN 105804391 B CN105804391 B CN 105804391B CN 201610178933 A CN201610178933 A CN 201610178933A CN 105804391 B CN105804391 B CN 105804391B
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/062—Forms for curved walls
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
Abstract
The invention discloses a kind of construction method of special-shaped hyperboloid wood grain dry concrete wall gang form, mainly include drawing in-depth, surveying setting-out, template process, set up the steps such as bearing frame, template laying, reinforcing bar colligation.The present invention makes the perception effect of structure exterior finish reach the decorative effect of wood grain clear-water concrete, solve the problems such as inaccurate physical dimension in work progress, spillage, pitted skin, unintelligible wood grain, construction method has been unified to the wood grain dry concrete wall of different cross section size.
Description
Technical field
The invention belongs to civil construction project field, and in particular to the template of special-shaped hyperboloid wood grain dry concrete wall is applied
Work, realize the standardization of site operation by using the form of three layers of gang form, tool operates.The inventive method technique
Simplicity, short time limit, it is ensured that construction quality is safe and reliable.
Background technology
Clear-water concrete can show the natural texture of concrete in itself as decorative cover, and any decoration is not made on surface,
Therefore, aberration attractive in appearance to structure, blibbing and flatness etc. have very high quality requirement.Due to clear-water concrete not only
Simplify construction technology, save resource, and eliminate potential safety hazard caused by exterior decoration, reduce environmental pollution, can produce
Huge Social benefit and economic benefit.The one kind of wood grain clear-water concrete as decoration clear-water concrete, what it was generated naturally
The wooden texture of log embodies pure nature, the environmental protection concept of ecosystem, is a kind of embodiment of green building, ecotecture.
Special-shaped hyperboloid wood grain dry concrete wall is the hyperboloid structure of semi-arched wallboard one, and side is clear water wood grain
Facing, the imitative wood grain effect being like nature itself is realized by the concavo-convex alternate cicada seam of concrete surface and lines；Opposite side commonly mixes
Solidifying cob wall face, is divided into two sections of curved sections and top planes, realizes the construction effect of wallboard one.Traditional wood grain clear water coagulation
Cob wall template often adds the double template form of panel using backboard, due to single form face in special-shaped hyperboloid structure construction
Product is smaller, and arc piece is more, it is difficult to which splicing closely knit causes in concrete construction spillage to produce bubble, voids and pits.Together
When abnormity hyperboloid moulding it is complicated, geometrical scale, radian are difficult to ensure that.The present invention is to curved surface concrete wall template and wood grain
Shimizu concrete template is combined improvement, using the combining form of 3 layers of template, realizes the normalizing operation of job site, has
Effect solves the common quality defects such as spillage, bubble, it is ensured that physical dimension is accurate.Construction quality is ensure that, improves construction efficiency.
The content of the invention
The invention aims to provide a kind of construction method of special-shaped hyperboloid wood grain clear-water concrete wall form, make
The perception effect of structure exterior finish has reached the decorative effect of wood grain clear-water concrete, solves the physical dimension in work progress
Inaccurately, the problems such as spillage, pitted skin, unintelligible wood grain, construction has been unified to the wood grain dry concrete wall of different cross section size
Method.
The construction method of special-shaped hyperboloid wood grain dry concrete wall gang form, it is characterised in that the special-shaped hyperboloid
Wood grain clear-water concrete wall form is made up of template system and form cage；The template system is by backboard, liner plate and panel three
Layer circular formwork superposition composition；The form cage by it is perpendicular stupefied and it is horizontal it is stupefied form, form cage passes through split bolt and template body
System's connection；Perpendicular stupefied using the thick nine fish-plate splice camber keel of two layers of 12mm, horizontal stroke is stupefied to use curved steel tube, passes through jacking and right angle
Fastener is connected with fastener type steel pipe scaffold system；The construction method comprises the following steps：
（1）Template drawing is deepened according to the radius of drawing and curvature and wall height, draws backboard, panel plane expansion
Figure；
（2）According to in-depth drawing by steel pipe it is horizontal it is stupefied required arcuation is curved according to radius and radian using electric bending machine,
Every curved steel tube is carried out into mark, and stacking of classifying；
（3）Surveying setting-out, by high control line projection to the base surface of each segment mark；
（4）Bearing frame is set up using fastener type steel pipe scaffold according to projection line；
（5）Drag keel is set up on bearing frame, drag keel is arranged into umbrella, is overlapped and is mended in the big position of subrange
Fill one；
（6）By backboard lateral arrangement on drag keel, and it is seamless with strength extruding it is close to drag keel, uses
Iron nail is completely embedded with drag keel；
（7）Liner plate, and the flyout panel arranging line on liner plate are laid on backboard；
（8）Panel is staggeredly attached on liner plate according to prior arrangement, panel is bent according to radian；
（9）Assembling reinforcement；
（10）Another side template is installed to elevation of top；
（11）Fasten split bolt.
Further, the backboard is thick nine clamping plates of 12mm；Liner plate is 3mm thickness three-ply boards；Panel is 12 ~ 15mm thickness strips
Deal board；Stupefied horizontal stroke is the curved steel tubes of Φ 48；Split bolt uses the joint cold rolling spiral through-wall bolts of Φ 10 3.
In special-shaped hyperboloid wood grain dry concrete wall template system, backboard and form cage ensure that structural strength is reliable,
Physical dimension is accurate；Liner plate is used to check panel radian, while prevents that spillage causes concrete surface in concreting process
Produce the harmful effects such as bubble, voids and pits；Panel is then used to form wood grain effect in concrete surface.
Backboard, liner plate and the panel of template system are connected using nailing；Form cage uses the fastener type steel of Φ 48
Pin hand cradle supports.
The special-shaped hyperboloid wood grain clear-water concrete wall form of the present invention, with intensity is high, rigidity is big, geometric accuracy
High, the advantages of seam is tight, it can be ensured that wall surface levelling, lines is clear, and cicada seam is continuous naturally, decorative effect is like nature itself, and realizes
Standardized construction, resource is saved, reduce construction cost, can be used as that special-shaped hyperboloid wood grain dry concrete wall is wide makes
A kind of formwork erection form.
Brief description of the drawings
Fig. 1：Wood grain dry concrete wall illustraton of model.
Fig. 2：Form cage schematic diagram.
Fig. 3：Backboard shown in Fig. 2, panel plane expanded view.
Reference：1- backboards；2- liner plates；3- panels；4- erects stupefied；5- horizontal strokes are stupefied；6- fastener type steel pipe scaffolds；7-Φ10
Three joint cold rolling spiral through-wall bolts.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings to embodiment of the present invention
It is described in further detail.
As shown in Fig. 2 the special-shaped hyperboloid wood grain dry concrete wall gang form of the present invention, by template system and template bone
Frame forms；Template system is made up of 3 three layers of backboard 1, liner plate 2 and panel circular formwork superposition；Form cage is stupefied by perpendicular stupefied 4 and horizontal stroke
5 compositions, form cage are connected by split bolt with template system；Perpendicular stupefied 4 using the thick nine fish-plate splice cambers of two layers of 12mm
Keel, horizontal stroke stupefied 5 use curved steel tube, are connected by jacking and right-angle coupler with fastener type steel pipe scaffold 6.
The concrete construction method of special-shaped hyperboloid wood grain dry concrete wall gang form：
1st, drawing is deepened.
As shown in figure 1, template drawing is deepened according to the radius of drawing and curvature and wall height, drafting Fig. 3 backboards,
Panel plane expanded view, by backboard（12mm nine clamping plates of thickness）And panel（12 ~ 15mm thickness strip deal boards）It is wide to be divided into 60mm,
500mm, 1000mm, 1500mm grow three kinds of specifications, fissure of displacement arrangement.According to in-depth drawing, by 3 meters long steel pipe back cord using electronic curved
Bent machine curves required arcuation according to radius and radian, and every curved steel tube is carried out into mark, and stacking of classifying.
2nd, surveying setting-out
Because wall height is higher, special-shaped hyperboloid wood grain dry concrete wall plane and to cut open facade be irregular arc
Shape, therefore arrived absolute altitude and axis projections by plane axis, vertical high process control according to the segmentation projection with heights line after in-depth
Launch in the base surface poured.And prolong and a control line is set outside floor projection line edge 200mm, unwrapping wire uses decile
Method is carried out, and segmental arc end first is unified into straight line, then carries out decile by 800mm, calculates the action at each position of halving, Ran Houyong
Point is linked up to form camber line by special arc mould chi.Then launched according to floor projection line and height and arrive top, to wallboard bottom
Positioning steel tube carries out Primary Location, and the horizontal double steel pipe of stress is then set up on positioning steel tube, carries out secondary positioning.
3rd, template is processed
To ensure the facing feature of clear-water concrete, backboard is thick nine clamping plates of 12mm；Liner plate is 3mm thickness three-ply boards；Panel
For 12 ~ 15mm thickness strip deal boards, panel is smooth, without breakage, tight, distortion, and side mouth is clean and tidy, and thickness, shape etc. meet
It is required that.Cutting blade is using new blades more than 80 teeth.Cut from the front of panel, held stationary during cutting, speed is not
It is easily too fast, it is ensured that panel front not chipping.Newly the place of segmentation or perforate will carry out edge sealing processing on nine clamping plates, to prevent
The infiltration of water and influence the flatness of panel.
4th, bearing frame is set up
Bearing frame uses fastener type steel pipe scaffold, according to《Construction fastener type steel pipe scaffold technical specification of security》
JGJ130 and《Building construction formwork technical specification of security》JGJ162 regulation, support body use48 × 3.5 steel pipes and fastener.Branch
Support is considered as the size of vertical and horizontal stupefied, backboard, panel and liner plate.Set up vertically according to the projection control line that measuring on bottom plate is good
Steel pipe, steel pipe height are processed in advance according to wall radian, and top sets transverse horizontal steel pipe, and steel pipe transfer is 800mm, and advance is
600mm.Horizontal steel tube is set according to 1500mm step pitches, horizontal double steel pipe is set with wall form contact site.Form cage is adopted
With using the thick nine fish-plate splice camber keel of two layers of 12mm.Keel are placed on scaffold top horizontal steel tube successively, are passed through
Split bolt is completely embedded with bearing frame.
5th, template is laid
Ascast finish concrete template with wood grain is by up of three layers：
1）60mm is wide, in the backboard lateral arrangement and drag keel of 500mm, 1000mm, 1500mm length, and squeezed with strength
It is seamless that pressure makes it be close to drag keel, is completely embedded with iron nail and drag keel, it is ensured that metope radian is accurate.
2）Liner plate is laid on backboard（3mm thickness three-ply boards）And the flyout panel arranging line on liner plate.
3）Arranged according to prior by panel（12 ~ 15mm thickness strip deal boards）Staggeredly it is attached on liner plate, by panel according to arc
Degree is bent, and panel both sides thicknessing machine thicknesser, piece is closely knit, and end flash must be cut flat with scraper.Before panel installation, thing
First soaked two days in water, to improve the moisture content of panel, avoiding it from absorbing concrete moisture causes concrete proportioning to change, shadow
Ring concrete surface intensity.Liner plate is connected with panel using nailing, and nailing nail enters from liner plate.Liner plate applies in time after the completion of fixing
Brush releasing agent.As shown in Figure 2.
6th, reinforcing bar colligation
Its stacking position and interspersed order are considered as during steel bar meter, processing chi is determined according to the occupy-place Relationship Between Vessels of reinforcing bar
It is very little.Consider splice form, the influence of joint location, the lap of splice, anchorage length to reinforcing bar colligation, elongated reinforcing bar is considered as
Termination crotch direction controlling, to ensure that reinforcing bar total length, reinforcement location are accurate and protective layer thickness meets the requirements, it is ensured that reinforcing bar exists
Accurate positioning in template.Protective layer cushion block uses concrete or plastic cushion, and plastic clasp cushion block is placed in blossom type, color
It should be approached with the color of clear-water concrete.
（1）According to wood grain dry concrete wall position line, template system typesetting figure, first ejected on the ground before template is in place
The position of bolt hole, vertically arranged mark rod.When running into split bolt and reinforcing bar and conflicting, adjacent several placing of reinforcements are carried out
Appropriate adjustment.
（2）Entering the reinforcing bar of mould will keep cleaning, and without obvious scale, must not carry greasy dirt or soil, ensure reinforcing bar positioning, appoint
What must not all occur revealing muscle phenomenon in the case of.
（3）Reinforcing bar colligation tied silk, tighten and swung within the walls no less than two circles, silk tail, each vertical and horizontal reinforcement crosspoint
Equal colligation.
（4）Protective layer cushion block uses concrete pad, protective layer 25cm, is counted from the outermost edge of stirrup, color is most
Amount is close with wood grain concrete color, is placed into blossom type@450.
7th, formwork reinforcement
Another side wall is curved wall, and for panel using thick nine clamping plates of 12mm, horizontal stroke is stupefied to use 48 × 3.5 steel pipes, erects stupefied for side
Wood, fastening bolt after constructing to the horizontal absolute altitude of wall top.
Screw arbor with nut at both-ends uses the joint cold rolling spiral through-wall bolts of Φ 10 3, can be used in turn.In order to ensure bolt hole
The position of position not spillage, the tailor-made Plastic cap of spy, plug and plate contact needs to paste sponge strip, and the surface of plug must be tight
By panel.When covering through-wall bolt, it is necessary to gently enter position after adjusting good position, ensure each hole position plug cushioning circle, to ensure
Plug is completely embedded with liner plate, and plug specification needs through design to confirm in advance.Before dies plate tap, ensure panels in alignment, tighten to drawing
Bolt, it is firmly uniform during reinforcing, it avoid template from producing inhomogeneous deformation, forbid to reinforce before template corrects.Process assembled group
During shuttering, cushioning sealing strip or sponge strip in buddhist seam, at the trimming position of template, brush 2-3 is all over edge sealing paint.The template splicing seam back of the body
85 degree of grooves and gluing are cut in face, post sealing strip along buddhist seam after gluing, then are compacted with batten, fasten with nails, stick adhesive tape
Paper.
Claims (3)
1. the construction method of special-shaped hyperboloid wood grain dry concrete wall gang form, it is characterised in that the special-shaped hyperboloid wood
Line clear-water concrete wall form is made up of template system and form cage；The template system is by three layers of backboard, liner plate and panel
Circular formwork superposition composition；The form cage by it is perpendicular stupefied and it is horizontal it is stupefied form, form cage passes through split bolt and template system
Connection；Perpendicular stupefied using the thick nine fish-plate splice camber keel of two layers of 12mm, horizontal stroke is stupefied to use curved steel tube, passes through jacking and right angle button
Part is connected with fastener type steel pipe scaffold system；The construction method comprises the following steps：
（1）Template drawing is deepened according to the radius of drawing and curvature and wall height, draws backboard, panel plane expanded view；
（2）According to in-depth drawing by steel pipe it is horizontal it is stupefied required arcuation is curved according to radius and radian using electric bending machine, will be every
Root curved steel tube carries out mark, and stacking of classifying；
（3）Surveying setting-out, by high control line projection to the base surface of each segment mark；
（4）Bearing frame is set up using fastener type steel pipe scaffold according to projection line；
（5）Drag keel is set up on bearing frame, drag keel is arranged into umbrella, in the big position overlap joint supplement one of subrange
Root；
（6）By backboard lateral arrangement on drag keel, and it is seamless with strength extruding it is close to drag keel, uses iron nail
It is completely embedded with drag keel；
（7）Liner plate, and the flyout panel arranging line on liner plate are laid on backboard；
（8）Panel is staggeredly attached on liner plate according to prior arrangement, panel is bent according to radian；
（9）Assembling reinforcement；
（10）Opposite side common templates are installed to elevation of top；
（11）Fasten split bolt.
2. construction method according to claim 1, it is characterised in that the backboard is thick nine clamping plates of 12mm；Liner plate is 3mm
Thick three-ply board；Panel is 12 ~ 15mm thickness strip deal boards；Stupefied horizontal stroke is the curved steel tubes of Φ 48；Split bolt uses the joints of Φ 10 3
Cold rolling spiral through-wall bolt.
3. construction method according to claim 1, it is characterised in that backboard, liner plate and the panel of template system use
Nailing is connected；Form cage is supported using the fastener type steel pipe scaffolds of Φ 48.
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