CN102877559A

CN102877559A - Cast-in-situ heat preservation and heat isolation beam, column or shear wall and construction method thereof

Info

Publication number: CN102877559A
Application number: CN2012103913648A
Authority: CN
Inventors: 周绪红; 吴方伯; 杨璐; 袁海梅; 刘彪
Original assignee: 吴方伯
Priority date: 2012-06-15
Filing date: 2012-10-12
Publication date: 2013-01-16
Also published as: CN102704588A

Abstract

The invention discloses a cast-in-situ heat preservation and heat isolation beam, column or shear wall and a construction method thereof. The cast-in-situ heat preservation and heat isolation beam, column or shear wall comprises outer side concrete, a heat preservation and heat isolation plate and inner side concrete, wherein cavities are formed in the heat preservation and heat isolation plate; and reinforcement ribs are arranged in the cavities. The construction method comprises the following steps of: binding a steel bar cage, arranging the heat preservation and heat isolation plate and a steel bar net, arranging the reinforcement ribs, fixing the heat preservation and heat isolation plate, and erecting an inner side template and an outer side template; and pouring the inner side concrete and the outer side concrete, after the concrete reaches certain strength, dismantling the inner side template and the outer side template to form the cast-in-situ heat preservation and heat isolation beam, column or shear wall. Due to the cavities, pressure difference of the concrete on two sides of the heat preservation and heat isolation plate during in-situ casting of the concrete is reduced; the reinforcement ribs arranged in the cavities and the concrete in the cavities form reinforced concrete short columns; the connection force of the inner layer concrete and the outer layer concrete is increased, and vertical relative displacement of the inner layer concrete and the outer layer concrete is reduced; and finally, the automatic heat preservation and heat isolation beam, column or shear wall which is easy to construct, low in manufacturing cost, high in durability and high in heat preservation and heat isolation performance is obtained.

Description

A kind of cast-in-situ thermal-insulated heat insulation beam, post, shear wall and job practices

Technical field:

The present invention relates to technical field of buildings, be specifically related to a kind of cast-in-situ thermal-insulated heat insulation beam for building, post, shear wall and job practices thereof.

Background technology:

Along with the development of energy-saving building, more and more higher to the insulation requirement in house.The shortcomings such as but at present, thermal insulation mortar and outer subsides warming plate are adopted in the insulation of beam, post, shear wall mostly, and these heat preserving methods exist that construction is difficult, cost is high, durability and heat insulating ability are poor.

Summary of the invention:

The object of the present invention is to provide that a kind of easy construction, cost are low, durability and good self-heat preservation heat insulation beam, post, the shear wall of heat insulation property.

The present invention is achieved like this, this cast-in-situ thermal-insulated heat insulation beam for building, and post, shear wall comprises outside concrete, thermal insulation thermal insulation board and inboard concrete.Described thermal insulation thermal insulation board is provided with hole, and reinforcing rib is arranged in the hole.

Feature of the present invention is that also there is keeper described thermal insulation thermal insulation board side, and keeper is provided with tension member.

For making above-mentioned thermal insulation beam, post or shear wall, job practices of the present invention comprises the steps: (1) assembling reinforcement cage, and thermal insulation thermal insulation board and steel mesh reinforcement are installed, and arranges reinforcing rib, and fixedly thermal insulation thermal insulation board props up interior outboard template; (2) build inboard concrete and outside concrete, after concrete reached some strength, outboard template in removing formed thermal insulation beam, post, shear wall.

Thermal insulation beam provided by the invention, post, shear wall are provided with hole at described thermal insulation thermal insulation board, are provided with reinforcing rib in the hole.The beneficial effect of technique scheme is: be provided with hole at thermal insulation thermal insulation board, during concreting, concrete can be from an effluent of thermal insulation thermal insulation board to opposite side, and concrete pressure poor effect in thermal insulation thermal insulation board both sides when reducing cast-in-situ concrete is played in the setting of hole; The reinforcing rib that arranges in the hole and the concrete in the hole form Reinforced Concrete Short, strengthened the concrete connection power in the interior outside, simultaneously, because the concrete Reinforced Concrete Short rigidity in the outside is larger in connecting, improved the ability of concrete vertical relative displacement in the outside in the opposing, thereby reduced the concrete vertical relative displacement in the interior outside, so that inboard concrete and outside concrete can cooperative bearings, also guaranteed the concrete stability in the outside.

Behind the concreting, thermal insulation thermal insulation board, steel mesh reinforcement, reinforcing cage, reinforcing rib, keeper, tension member connect to as a wholely by concrete, form that easy construction, cost are low, durability and good self-heat preservation heat insulation beam, post, the shear wall of heat insulation property.

Describe the present invention below in conjunction with the drawings and specific embodiments.

Description of drawings:

In the following drawings, 1 is thermal insulation thermal insulation board, and 2 is hole, and 3 is the keeper of thermal insulation thermal insulation board side, and 4 is template, and 5 is the tension member on the

keeper

3, and 6 is reinforcing cage, and 7 is reinforcing rib, and 8 is cast-in-place inboard concrete, and 9 is steel mesh reinforcement, and 10 is cast-in-place outside concrete.

Fig. 1 is thermal insulation beam, post, shear wall longitudinally cutting face structural representation;

Fig. 2 is thermal insulation plate holes place structural configuration schematic diagram;

Fig. 3 is thermal insulation beam, post, shear wall concreting pre-structure layout schematic diagram;

Fig. 4 is that thermal insulation beam, post, shear wall concreting pre-structure are arranged another embodiment;

Fig. 5 is thermal insulation beam, post, shear wall overall structure schematic diagram.

The specific embodiment:

The present invention is shown in accompanying drawing 1～5.

With reference to figure 1-Fig. 2, this cast-in-situ thermal-insulated heat insulation beam, post, shear wall have hole 2 on the thermal insulation thermal insulation board 1, and hole 2 is even regular arrangement on thermal insulation thermal insulation board 1, and the section form of hole 2 is polygons, or circular, or oval, or semicircle.Be provided with hole 2 at thermal insulation thermal insulation board 1, during concreting, concrete can be from an effluent of thermal insulation thermal insulation board 1 to opposite side, and the poor effect of thermal insulation thermal insulation board 1 both sides concrete pressure when reducing cast-in-situ concrete is played in the setting of hole 2; The reinforcing rib 7 that arranges in the hole and the concrete in the hole 2 form Reinforced Concrete Short, strengthened the concrete connection power in the interior outside, reduced the concrete vertical relative displacement in the interior outside, so that inboard concrete eight and outside concrete 10 can cooperative bearings, also guaranteed the stability of outside concrete 10; Concrete wraps reinforcing rib 7 in the hole 2, can protect reinforcing rib 7, prevents its corrosion, has improved the durability of structure.

With reference to figure 3-Fig. 4, there is keeper 3 side of thermal insulation thermal insulation board 1, and keeper 3 is provided with tension member 5.Keeper 3 is box-shaped, strip, semicircle rod-shaped member.Keeper 3 can be arranged in the one-sided of thermal insulation thermal insulation board 1, also can arrange simultaneously in its both sides; Keeper 3 all right lateral arrangement or vertical the layout also can laterally with vertically be arranged simultaneously.Keeper 3 is close to the sidewall of thermal insulation thermal insulation board 1 and arranges, is equivalent to the ribs on the thermal insulation thermal insulation board 1, is conducive to strengthen the diastrophic ability of thermal insulation thermal insulation board 1 opposing, improves the intensity of thermal insulation thermal insulation board 1.Can arrange one or more tension members 5 on the keeper 3, tension member 5 is easy to the member of fixedly colligation for steel wire or other, the mid portion welding of tension member 5 or colligation are on keeper 3, and end welding or colligation are on the steel mesh reinforcement 9 or reinforcing cage 6 of thermal insulation thermal insulation board 1 opposite side.Thermal insulation thermal insulation board 1 occured to float when keeper 3 had been avoided concreting with the use of tension member 5, had reduced difficulty of construction and had guaranteed construction quality.

With reference to figure 5, build interior outside concrete before, first assembling reinforcement cage 6 is installed thermal insulation thermal insulation board 1 and steel mesh reinforcement 9, arranges reinforcing rib 7, by the fixing thermal insulation thermal insulation board 1 of keeper 3 and tension member 5, props up interior outboard template 4 again.Reinforcing cage 6 is arranged in heat-insulating beam, or post, or the inboard of shear wall, and steel mesh reinforcement 9 is arranged in heat-insulating beam, or post, or the outside of shear wall.When building interior outside concrete, because concrete flowability, concrete will be full of the space of hole 2 on the thermal insulation thermal insulation board 1, the concrete that is communicated with thermal insulation thermal insulation board 1 both sides, thermal insulation thermal insulation board 1, keeper 3, tension member 5, reinforcing rib 7, reinforcing cage 6, steel mesh reinforcement 9 connect to as a wholely by concrete, have guaranteed the globality of structure.

Construction sequence of the present invention is as follows:

(1) the assembling reinforcement cage 6, and thermal insulation thermal insulation board 1 and steel mesh reinforcement 9 are installed, and arrange reinforcing rib 7, and fixedly thermal insulation thermal insulation board 1, outboard template 4 in;

(2) build inboard concrete eight and outside concrete 10, after concrete reached some strength, outboard template 4 in removing formed thermal insulation beam, post, shear wall.

Claims

1. a cast-in-situ thermal-insulated beam, post, shear wall, comprise and protect outside concrete (10), thermal insulation thermal insulation board (1) and inboard concrete (8), it is characterized in that: described thermal insulation thermal insulation board (1) is provided with hole (2), and reinforcing rib (7) is arranged in the hole (2).

2. heat-preserving heat-insulating wall according to claim 1, it is characterized in that: there is keeper (3) side of described thermal insulation thermal insulation board (1), and keeper (3) is provided with tension member (5).

3. heat-preserving heat-insulating wall according to claim 2, it is characterized in that: described keeper (3) is box-shaped, strip, semicircle rod.

4. a job practices of making the described cast-in-situ thermal-insulated beam of claim 1, post, shear wall comprises the steps:

A) assembling reinforcement cage (6) is installed thermal insulation thermal insulation board (1) and steel mesh reinforcement (9), arranges reinforcing rib (7), and fixedly thermal insulation thermal insulation board (1) props up interior outboard template (4);

B) build inboard concrete (8) and outside concrete (10), after concrete reached some strength, outboard template (4) in removing formed heat-insulating beam, post or shear wall.