CN201756798U

CN201756798U - Variable-curvature large-area fair-faced concrete wall formwork system

Info

Publication number: CN201756798U
Application number: CN2010205009423U
Authority: CN
Inventors: 吴瑞卿; 凌文轩; 王伟文
Original assignee: Guangzhou No1 Construction Engineering Co Ltd; GUANGZHOU MUNICIPAL CONSTRUCTION GROUP CO Ltd
Current assignee: Guangzhou No1 Construction Engineering Co Ltd; GUANGZHOU MUNICIPAL CONSTRUCTION GROUP CO Ltd
Priority date: 2010-08-20
Filing date: 2010-08-20
Publication date: 2011-03-09
Anticipated expiration: 2020-08-20

Abstract

A variable-curvature large-area fair-faced concrete wall formwork system comprises a formwork panel and a supporting skelecton. A plurality of square steel tube transverse ribs and a plurality of square steel tube vertical ribs are welded to form the supporting skelecton, the square steel tube transverse ribs are all horizontally placed and are all bent at designed radian of a fair-faced concrete wall, the square steel tube vertical ribs are all vertically placed and are all fixed on the same sides of a plurality of square steel tubes, the formwork panel is fixed on one side of the supporting skelecton with the square steel tube transverse ribs, and vertical grooves are arranged on the surface of the formwork panel which contacts with the square steel tube transverse ribs at certain distances, so that the formwork can be bent to meet radian of designed requirements. The formwork system can lead arch faces of cast-in-place variable-curvature fair-faced concrete walls to be accurate in physical dimension and be smooth.

Description

Variable curvature large tracts of land fair-faced concrete wall form system

Technical field

The utility model relates to a kind of dry concrete construction equipment, relates in particular to a kind of variable curvature large tracts of land fair-faced concrete wall form system.

Background technology

Clear-water concrete is the newer a kind of construction technology of present builing industry, and it is that traditional concrete construction process has been carried out refinement processing, makes the surface of concrete structure impression can reach the effect of plastering.Adopt dry concrete wall, can eliminate the many common quality defects that produced in the conventional concrete construction, the hidden danger of quality of avoiding plaster cracking, hollowing even coming off, alleviated the common quality defect such as spillage, cracks on floor slab of structure construction, and can save wet trade operation such as plaster, shorten the construction period greatly and reduced construction costs.

Fair-faced concrete wall form workmanship is the most important condition and the key problem in technology that reaches the fair-faced concrete effect, especially when needs are built variable curvature large tracts of land fair-faced concrete wall, how to guarantee the radian that template size is accurate and meet design requirement, guaranteeing that enough rigidity and plate face are smooth-going, is a difficult problem that needs solution.

For this reason, the template system that uses in the time of need providing a kind of variable curvature large tracts of land fair-faced concrete wall to build.

Summary of the invention

The purpose of this utility model is to provide a kind of variable curvature large tracts of land fair-faced concrete wall form system, it can guarantee radian that template meets design requirement and enough rigidity, and the arch face physical dimension that guarantees cast-in-place variable curvature dry concrete wall accurately, along sliding.

For achieving the above object, the utility model adopts following technical scheme: variable curvature large tracts of land fair-faced concrete wall form system, and it comprises form surfacing and support frame; Described support frame is welded by some square steel pipe cross ribs and the some perpendicular ribs of square steel pipe, described some equal horizontal positioned of square steel pipe cross rib and all be bent to the design radian of fair-faced concrete wall, the same side that described some square steel pipes were all vertically placed and all be fixed on to the perpendicular rib of described some square steel pipes; Described form surfacing is fixed on a side at the described square steel pipe cross rib place of described support frame, offer vertical groove every certain distance on described form surfacing and the face that described square steel pipe cross rib contacts, thereby make the radian that described template can crooked meet design requirement.

Preferably, side that does not contact with described square steel pipe cross rib at the perpendicular rib of described some square steel pipes is fixed with some two steel pipe purlin beams, described some two equal horizontal positioned of steel pipe purlin beam and the promptly two steel pipe purlin beams of design radian that are bent to the fair-faced concrete wall also adopt the radian identical with the square steel pipe cross rib to carry out bending, and the position of described pair of steel pipe purlin beam is corresponding with the position of described square steel pipe cross rib.

Preferably, every adjacent two grooves on the described form surfacing are 300mm at interval, and every depth of groove is 5～7mm.

Preferably, described form surfacing is fixed on the described support frame by self-tapping screw.

The beneficial effects of the utility model are: because the square steel pipe cross rib is bent to the design radian of fair-faced concrete wall, and the perpendicular rib of square steel pipe constitutes support frame jointly with it, this support frame give form surfacing with rigidity support and be that the form surfacing installation provides and meets the basal plane that designs radian; Template is installed inboard one side and is offered groove, makes that template can bending with the radian of square steel pipe cross rib, can not produce because bending and the phenomenon of rupture of generation.

Description of drawings

Fig. 1 is the generalized section of the utility model variable curvature large tracts of land fair-faced concrete wall form embodiment of system;

Fig. 2 is the schematic top plan view of the utility model variable curvature large tracts of land fair-faced concrete wall form embodiment of system, wherein omits split bolt.

The specific embodiment

Fig. 1--Fig. 3 has shown an embodiment of the utility model variable curvature large tracts of land fair-faced concrete wall form system, will pour into a mould two-sided fair-faced concrete wall in this embodiment, two template systems about therefore comprising; Certainly if only need pour into a mould the fair-faced concrete wall of single face, then only one side uses template system of the present utility model to get final product.

As shown in Figure 1 and Figure 2, this template system comprises form surfacing 10 and support frame 20; Support frame 20 is welded by some square steel pipe cross ribs 21 and the some perpendicular ribs 22 of square steel pipe, some square steel pipe cross rib 21 equal horizontal positioned and all be bent to the design radian of fair-faced concrete wall, some the same sides that some square steel pipe cross ribs 21 were all vertically placed and all be fixed on to the perpendicular rib 22 of square steel pipes; Form surfacing 10 is fixed on a side at square steel pipe cross rib 21 places of support frame 20.That is to say that the square steel pipe cross rib of some bendings forms curved surface, the perpendicular rib of square steel pipe is fixed on a side of square steel pipe cross rib, and form surfacing is fixed on the opposite side of square steel pipe cross rib.

Preferably, in the present embodiment, as shown in Figure 1, 2, side that does not contact with square steel pipe cross rib 21 at the perpendicular rib 22 of some square steel pipes is fixed with some two steel pipe purlin beams 23, every two steel pipe purlin beam 23 equal horizontal positioned and be bent to the design radian of fair-faced concrete wall, the position of two steel pipe purlin beams 23 is corresponding with the position of described square steel pipe cross rib 21; In the present embodiment, the square steel pipe cross rib 21 in every interval is provided with a two steel pipe purlin beam 23.

Wherein, offer vertical groove 11 every certain distance on form surfacing 10 and the face that square steel pipe cross rib 21 contacts, thus these grooves be arranged so that the radian that form surfacing 10 can crooked meet design requirement, phenomenons such as fracture take place when avoiding bending.Preferably, every adjacent two grooves on the form surfacing 10 are 300mm at interval, and every depth of groove is 5-7mm.This form surfacing 10 is fixed on the support frame 20 by self-tapping screw, forms the template face with design radian, for the clear-water concrete cast.

In the present embodiment, two template systems are fixed to one another by Screw arbor with nut at both-ends 24, are used for pouring into a mould dry concrete wall between the two template plate faces of two template systems.In the practice of construction, template system of the present utility model can support by outer support, the stability of template system and the verticality of body of wall when guaranteeing construction.

Described above only is the preferred embodiment of the utility model variable curvature large tracts of land fair-faced concrete wall form system, can not limit scope of the present utility model with this certainly; To the equivalents of technical solutions of the utility model, also belong to protection domain of the present utility model.

Claims

1. variable curvature large tracts of land fair-faced concrete wall form system is characterized in that comprising form surfacing and support frame;

Described support frame is welded by some square steel pipe cross ribs and the some perpendicular ribs of square steel pipe, described some equal horizontal positioned of square steel pipe cross rib and all be bent to the design radian of fair-faced concrete wall, the same side that described some square steel pipes were all vertically placed and all be fixed on to the perpendicular rib of described some square steel pipes;

Described form surfacing is fixed on a side at the described square steel pipe cross rib place of described support frame, each certain distance offers vertical groove on described form surfacing and the face that described square steel pipe cross rib contacts, thereby makes the radian that described template can crooked meet design requirement.

2. variable curvature large tracts of land fair-faced concrete wall form as claimed in claim 1 system, it is characterized in that: the side that does not contact with described square steel pipe cross rib at the perpendicular rib of described some square steel pipes is fixed with some two steel pipe purlin beams, described some two equal horizontal positioned of steel pipe purlin beam and be bent to the design radian of fair-faced concrete wall, the position of described pair of steel pipe purlin beam is corresponding with the position of described square steel pipe cross rib.

3. variable curvature large tracts of land fair-faced concrete wall form as claimed in claim 1 system is characterized in that: every adjacent two grooves on the described form surfacing are 300mm at interval, and every depth of groove is 5-7mm.

4. variable curvature large tracts of land fair-faced concrete wall form as claimed in claim 1 system, it is characterized in that: described form surfacing is fixed on the described support frame by self-tapping screw.