CN206245730U - A kind of cast-in-place pitched roof double template structure - Google Patents

A kind of cast-in-place pitched roof double template structure Download PDF

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Publication number
CN206245730U
CN206245730U CN201621213938.2U CN201621213938U CN206245730U CN 206245730 U CN206245730 U CN 206245730U CN 201621213938 U CN201621213938 U CN 201621213938U CN 206245730 U CN206245730 U CN 206245730U
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template
layer
bolt
pitched roof
concrete
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CN201621213938.2U
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张睿
王卫东
白威
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China Third Metallurgical Group Co Ltd
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China Third Metallurgical Group Co Ltd
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Abstract

The utility model is related to a kind of cast-in-place pitched roof double template structure, including braced bar system, formwork keel, bottom template, surface layer template and to drawing locating water-stopping bolt;Formwork keel bottom is supported by braced bar system and fixed;Bottom template is laid on formwork keel upper surface, and surface layer template be arranged in parallel with bottom template, thickness of the distance equal to pitched roof concrete lift between the two;By to drawing locating water-stopping bolt to position between bottom template and surface layer template;Surface layer template is made up of the spaced segmentation surface layer template of multiple, and the cell body formed between adjacent sectional surface layer template end and bottom template is used as the groove that vibrates when concrete segmentation is poured.The utility model uses double template structure, realize that segmentation carries out concreting, vibrates, the problem that concrete in pitched roof construction easily slides is solved, structure is closely knit after casting and compacting of concrete shaping, sectional dimension high precision, surface quality are good, and construction method is simple and easy to apply.

Description

A kind of cast-in-place pitched roof double template structure
Technical field
The utility model is related to cast-in-place pitched roof technical field of construction, more particularly to a kind of cast-in-place pitched roof double-mold is hardened Structure.
Background technology
With the development of construction industry, the variation of people's life requirement selection in recent years, shows in architectural design Many new and original sloping roof structures.But selection of construction method is improper in construction due to pitched roof, easily causes concrete and pour Leakiness is built, easily causes seepage.
Traditional pitched roof refers to pitched roof of the gradient at 25 °~60 °, be usually taken in construction installation runway bottom side template or Poured after additional layer steel wire on reinforcing bar face, made real, but when the gradient is steeper, often resulted in process of vibrating mixed Solidifying soil slides, segregation phenomenon, concrete is naturally molded under without constraint in landing state on slope, therefore coagulation Soil pours density and is difficult to be controlled, and construction quality is difficult to produce a desired effect, left to concrete structure construction easily ooze, The hidden danger and common quality defect of leakage.
The content of the invention
The utility model provides a kind of cast-in-place pitched roof double template structure, it is adaptable to slope room of the gradient at 25 °~60 ° Surface construction;Using double template structure, achievable segmentation carries out concreting, vibrates, and solves coagulation in pitched roof construction The native problem for easily sliding, structure is closely knit after casting and compacting of concrete shaping, sectional dimension high precision, surface quality are good, and construction party Method is simple and easy to apply.
In order to achieve the above object, the utility model is realized using following technical scheme:
A kind of cast-in-place pitched roof double template structure, including braced bar system, formwork keel, bottom template, surface layer template and To drawing locating water-stopping bolt;The formwork keel is laid along roof is high to inclination, and its gradient is consistent with the gradient of pitched roof, its Bottom is supported by braced bar system and fixed;Bottom template is laid on formwork keel upper surface, and surface layer template is located on bottom template And be arranged in parallel with bottom template, thickness of the distance equal to pitched roof concrete lift between the two;Bottom template and face Positioned by drawing locating water-stopping bolt between layer template, and pass through bottom spiral shell respectively in the outside of bottom template and surface layer template Female and top nut check is fixed;Surface layer template is made up of the spaced segmentation surface layer template of multiple, adjacent sectional surface layer mould The cell body formed between plate end and bottom template is used as the groove that vibrates when concrete segmentation is poured.
Described pair is drawn locating water-stopping bolt by drawing water-proof bolt and location-plate to constitute, in the middle part of the bolt for drawing water-proof bolt Seal plate is provided with, both sides set location-plate;To being gone back between the location-plate and bottom template, surface layer template that draw locating water-stopping bolt both sides It is respectively equipped with the pad being engaged with bolt;The distance between 2 location-plate lateral surfaces are equal to pitched roof concrete lift - 2 times of spacer thicknesses of thickness.
Compared with prior art, the beneficial effects of the utility model are:
1) double template structure is used, while being positioned to double template structure by drawing locating water-stopping bolt, energy Enough effectively improve casting and compacting of concrete efficiency of construction, it is to avoid because of the not enough caused hidden leakage defect of concrete structure packing, it is ensured that mixed Solidifying earth forming quality;
2) the concrete pitched roof sectional dimension high precision, surface quality after being molded are good;
3) double template simple structure, construction method is easily operated;
4) reduce because landing and caused by concrete material loss, save artificial, so as to save construction cost.
Brief description of the drawings
Fig. 1 is the structural representation of double template structure described in the utility model.
Fig. 2 is double template structure node schematic diagram in pitched roof construction described in the utility model.
Fig. 3 is the flow chart of pitched roof construction method described in the utility model.
In figure:1. 2. formwork keel of braced bar system, 3. bottom template, 4. surface layer template 5. pairs draws locating water-stopping bolts The concrete lift 10. of 51. bolt, 52. seal plate, 53. location-plate, 6. pad, 7. bottom nut, 8. top nut 9. shakes Smash groove
Specific embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings:
A kind of as shown in Figure 1 and Figure 2, cast-in-place pitched roof double template structure described in the utility model, including braced bar system 1, Formwork keel 2, bottom template 3, surface layer template 4 and to draw locating water-stopping bolt 5;The formwork keel 2 is high to inclination along roof Lay, its gradient is consistent with the gradient of pitched roof, and its bottom supports fixation by braced bar system 1;Bottom template 3 is laid on template The upper surface of keel 2, surface layer template 4 is located on bottom template 3 and is be arranged in parallel with bottom template 3, distance between the two etc. In the thickness of pitched roof concrete lift 9;By to drawing locating water-stopping bolt 5 to determine between bottom template 3 and surface layer template 4 Position, and be locked by bottom nut 7 and top nut 8 respectively with the outside of surface layer template 4 in bottom template 3;Surface layer mould Plate 4 is made up of the spaced segmentation surface layer template of multiple, is formed between adjacent sectional surface layer template end and bottom template 3 Cell body is used as the groove 10 that vibrates when concrete segmentation is poured.
Described pair is drawn locating water-stopping bolt 5 by drawing water-proof bolt and location-plate 53 to constitute, to the bolt of drawing water-proof bolt 51 middle parts are provided with seal plate 52, and both sides set location-plate 53;To draw the location-plate 53 of locating water-stopping bolt 5 both sides and bottom template 3, The pad 6 being engaged with bolt 51 is further respectively had between surface layer template 4;The distance between 2 lateral surfaces of location-plate 53 are equal to The thickness of -2 times of pads of thickness 6 of pitched roof concrete lift 9.
As shown in figure 3, the pitched roof construction method based on cast-in-place pitched roof double template structure described in the utility model, bag Include following steps:
1) braced bar system 1 is set up on roof first, braced bar system 1 is made up of cross bar, vertical rod and connection fixture;
2) after the completion of braced bar system 1 is set up, formwork keel 2 is laid at the top of it, formwork keel 2 is along longitudinal direction and laterally laying Fenestral fabric is formed, the height of each vertical rod of braced bar system 1 is adjusted, it is ensured that the flatness and gradient of the upper surface of formwork keel 2 Meet the requirements;
3) bottom template 3 is laid on formwork keel 2, through hole is opened up in bottom template 3, for wearing to drawing locating water-stopping Bolt 5;
4) after the installation of bottom template 3, bar-mat reinforcement is laid at an upper portion thereof, bar-mat reinforcement is formed by reinforcing bar colligation;It is fixed to drawing Pad 6 is installed in the outside of side location-plate 53 of position water-proof bolt 5, after the completion of bar-mat reinforcement laying, will be provided with the fixed to drawing of pad 6 Position one end of water-proof bolt 5 passes the lower section of bottom template 3, is fixed with bottom nut 7;
5) surface layer template 4 is arranged on to drawing the other end of locating water-stopping bolt 5, and is fixed with top nut 8;Each segmentation Surface layer template is successively installed from bottom to top, and interval setting is reserving the groove 10 that vibrates;
6) concrete segmentation can be carried out after the whole installations of surface layer template 4 to pour, is poured by layer from bottom to up, every layer The groove 10 that vibrates after concreting all by its top pour vibrating;One layer concrete pours completion rear enclosed portion thereon The groove 10 that vibrates, then pouring, vibrating for last layer concrete is carried out, until whole pitched roof all pours completion;Treat overall mixed After solidifying soil reaches intensity, double template structure is removed.
Pitched roof construction method specifically includes following steps:
1) formwork keel 2 is made up of Two bors d's oeuveres flitch, i.e., by 2 specifications for 40mm × 60mm or 50mm × 50mm flitch simultaneously Space between row composition, Two bors d's oeuveres flitch is stoppered with batten;The arrangement spacing of formwork keel 2 determines according to the modulus level of surface layer template 4;
2) fixed using iron nail between bottom template 3 and formwork keel 2;After the installation of bottom template 3, in bottom template Rule on 3, then point is drawn by drawing locating water-stopping bolt 5 to lay spacing, bolt hole is opened up with electric hammer at anchor point;Positioned to drawing The arrangement spacing of water-proof bolt 5 is 1000mm~1500mm;Will be to drawing locating water-stopping bolt 5 to wear bottom mould by bolt hole On plate 3, pad 6 is added between the location-plate and bottom template 3 that draw locating water-stopping bolt 5, and fix by bottom nut 7;
3) bar-mat reinforcement laying two-layer, will constitute bar-mat reinforcement reinforcing bar colligation firmly, with prevent during disturbing concrete because collision, Vibration makes to tie up button loosely, causes reinforcing bar to shift or dew muscle;Stop protective layer by design code during assembling reinforcement, and with pour it is mixed Solidifying cement of the soil with identical match ratio, mortar are made cushion block, and reinforcing bar is paved;
In order to avoid top surface reinforcing bar sink during disturbing concrete, it is ensured that the effective depth of bar-mat reinforcement, in two-layer steel Extension supporting supporting steel bar between muscle net, supports supporting steel barAs bar diameter >=Φ 12mm, supporting steel bar is supported Spacing≤800mm × 800mm, as bar diameter < Φ 12, support supporting steel bar spacing≤500mm × 500mm;Along same Support supporting steel bar on direction is no less than 2 roads, and outermost support horse step on distance of the set location of muscle away from reinforcing bar end≤ 150mm;Supporting steel bar is fixed with upper and lower layer reinforcing bar contact point using spot welding mode, while in its pad scope inner rim 2~3 The upper and lower layer reinforcing bar in road is also adopted by spot welding and fixes, with stiffener net resistance to overturning;Carried out after the completion of bar-mat reinforcement laying hidden Engineering supervision is checked and accepted;
4) segmentation surface layer template is pre-formed through setting-out;When prefabricated, the side of segmentation surface layer template two add 200mm~ Side pressure keel 300mm long, the specification of side pressure keel is 30mm × 40mm;The length modulus ratio formwork keel 2 of surface layer template 4 it Between the small 10mm of clear distance, and each remaining 5mm in two ends, laid in order to surface layer template 4;During installation, by the lower edge of surface layer template 4 with The lower edge alignment of formwork keel 2, by iron nail by the side pressure bone of surface layer template 4 and the stickfast of formwork keel 2;
Surface layer template 4 opens up out bolt hole by drawing locating water-stopping bolt 5 to lay spacing in advance, during installation, fixed to drawing Pad 6 is added between the location-plate and surface layer template 4 of position water-proof bolt 5, top nut 8 is then tightened;At the connecting sewing of surface layer template 4 Obturaged with adhesive tape;
5) correspondence vibrate groove 10 lower floor surface layer template 4 on the baffle plate high along 50cm is set temporarily, it is to avoid aggregate when pouring Slide;It is starting point with an oblique eaves during casting concrete, pouring for ground floor formwork structure is carried out within one week around roofing, pours During using hand hammer tap check whether poured it is closely knit;Correspondence is vibrated after groove 10 is closed after having poured one layer carried out again One layer of formwork structure is poured;So circulate, step by step casting concrete, until the concrete of whole pitched roof all pours knot Beam.
For the pitched roof in large-scale house, according to the speed poured per layer concrete before construction, the time of pouring is calculated; Retarder is added if necessary, it is to avoid produce cold seam before concrete overlap joint.
Surface layer template 4 reaches 1.2N/mm in concrete strength2Row is removed again during the above, the then basis of bottom template 3《Coagulation Soil structure engineering construction quality acceptance specification》In have the regulation of beam-slab template form removal, with test cube in the same condition pressure testing intensity as foundation, Determine striking time
Other related descriptions and the selection of material of pitched roof construction method described in the utility model:
1) bottom template 3 is made up of beam bottom board, side form and template die;Wherein:
, using 18mm thickness multilayer wood plywoods, beam bottom board lower synbeam length direction sets two and (works as deck-siding for beam bottom board, side form 3 are set during more than or equal to 350mm) 50 × 100mm wood stupefieds, wood stupefied fixed with bed die in advance, and beam side is passed through using double frame pipes Fixing bolt is fixed.
Template die sets small wood stupefied using 18mm thickness wood plywoods, template die bottom, and spacing is 350mm, and small wood stupefied divides into big wood stupefied, Spacing is 900mm;Big wood stupefied divides into frame pipe, and quick disconnecting joint is installed on frame pipe top, and frame tube pitch is 900mm.
2) surface layer template 4 uses glued board, and specification is 915mm × 915mm × 18mm.
3) to drawing locating water-stopping bolt 5 to useSized bolt, the size of seal plate 53 is 80mm × 80mm × 4mm, only Full weld between water plate 53 and bolt 51;The two ends of bolt 51 are buckled with butterfly and bottom nut 7, top nut 8.
4) using all round victory scaffold, column is braced bar system 1Steel pipe matches somebody with somebody adjustable jack, by technical specification Arrangement horizontal brace and stay bolt, jacking gap timber wedge are tightly filled in.
5) it is smaller for pitched roof thickness of slab, the characteristics of reinforcing bar is closeer, preferably using pea gravel concreten, it is easy to pour closely knit.
6) sand during sand is preferably used, and meet relevant specification regulation.
7) pitched roof closeer for arrangement of bar, can useSmall vibrating rod vibrates.
Pitched roof for design grade less than 25 °, in casting concrete, because aggregate sliding force is smaller, Therefore vibrated after the construction method installation individual layer bottom surface template that can refer to beam slab, poured;It is more than 60 ° for design grade Pitched roof then can refer to shear wall construction method install double template after pour smashing.The utility model is primarily adapted for use in and sets The meter gradient is constructed in 25 °~60 ° pitched roofs.
The above, only the utility model preferably specific embodiment, but protection domain of the present utility model is not Be confined to this, any one skilled in the art in the technical scope that the utility model is disclosed, according to this practicality New technical scheme and its utility model design are subject to equivalent or change, should all cover in protection model of the present utility model Within enclosing.

Claims (2)

1. a kind of cast-in-place pitched roof double template structure, it is characterised in that including braced bar system, formwork keel, bottom template, face Layer template and to draw locating water-stopping bolt;The formwork keel is high to the slope for inclining laying, its gradient and pitched roof along roof Degree is consistent, and its bottom is supported by braced bar system and fixed;Bottom template is laid on formwork keel upper surface, and surface layer template is located at bottom It is be arranged in parallel on template and with bottom template, thickness of the distance equal to pitched roof concrete lift between the two;Bottom Positioned by drawing locating water-stopping bolt between template and surface layer template, and led to respectively with the outside of surface layer template in bottom template Cross bottom nut and top nut check is fixed;Surface layer template is made up of the spaced segmentation surface layer template of multiple, adjacent point The cell body formed between section surface layer template end and bottom template is used as the groove that vibrates when concrete segmentation is poured.
2. a kind of cast-in-place pitched roof double template structure according to claim 1, it is characterised in that described pair is drawn positioning to stop Timber bolt is by drawing water-proof bolt and location-plate to constitute, the bolt middle part to drawing water-proof bolt is provided with seal plate, both sides setting position Plate;To drawing the location-plate of locating water-stopping bolt both sides to be engaged with bolt with being further respectively had between bottom template, surface layer template Pad;- 2 times of spacer thicknesses of thickness of the distance between 2 location-plate lateral surfaces equal to pitched roof concrete lift.
CN201621213938.2U 2016-11-10 2016-11-10 A kind of cast-in-place pitched roof double template structure Active CN206245730U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106437142A (en) * 2016-11-10 2017-02-22 中国三冶集团有限公司 Construction method and double-layer formwork structure for cast-in-situ slope roof
CN107605107A (en) * 2017-09-18 2018-01-19 中建八局第三建设有限公司 A kind of method for controlling pitched roof concrete construction quality

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106437142A (en) * 2016-11-10 2017-02-22 中国三冶集团有限公司 Construction method and double-layer formwork structure for cast-in-situ slope roof
CN107605107A (en) * 2017-09-18 2018-01-19 中建八局第三建设有限公司 A kind of method for controlling pitched roof concrete construction quality

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