CN2161656Y

CN2161656Y - Energy-saving strip panel

Info

Publication number: CN2161656Y
Application number: CN 93216102
Authority: CN
Inventors: 张惠文; 朱沂
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-06-17
Filing date: 1993-06-17
Publication date: 1994-04-13
Anticipated expiration: 2003-06-17

Abstract

The utility model relates to an energy-saving strip-shaped wall plate, which is a bidirectional bended component provided with a rectangular cross section. A cross section structure is divided into three layers: the first layer is a light aggregate concrete outer side plate provided with a side-ribbed reinforcing bar; the second layer is a high-efficiency heat-insulating layer; the third layer is an inner side plate with a side-ribbed reinforcing bar. Common concrete can be used as the concrete of the inner and outer side plates, the inner and outer side plates are connected integrally by reinforcing bar truss frames in longitudinal and transverse directions. When the span l of the energy-saving strip-shaped wall plate is smaller than or equal to 4.2 m, the utility model is a nonprestressed plate; when the span is bigger than 4.2 m, the utility model is a prestressing plate. The plate is an outer wall plate of high efficiency and thermal insulation, and a heat transfer coefficient is very small, kw<=0.584w/m, <2>. The plate has light dead weight and low cost.

Description

Energy-saving strip panel

The utility model is a kind of energy-conservation bar shaped wallboard, as the thermal insulation external wall panel of industrial construction or civilian construction.

Past, once pilot adopted the sandwich bar shaped wallboard of steel concrete that has whole limit rib at the exterior wall of industrial construction and civilian construction, and the shortcoming of this bar shaped wallboard is that rib place, limit exists cold bridge, was unwell to north cold area and used; At the bar shaped thermal insulation external wall panel of north cold area existing building, majority adopts pumice stone concrete bar shaped wallboards and haydite concrete bar shaped wallboards at present, and these bar shaped wallboards exist two outstanding shortcomings: the first, and thermal transmittance is big, Kw=1.75W/m ².k, heat-insulating property is too poor, does not meet the requirement of building energy conservation; The second, from great, when wallboard is thick when being 250mm, the unit area deadweight is about 400Kg/m ²In order to solve above-mentioned shortcoming, the building masonry wall of some frame construction adopts structural clay tile or building block, but still the above-mentioned shortcoming of determining that can not properly be situated between.

The purpose of this utility model is to propose a kind of energy-conservation bar shaped wallboard, can solve two big shortcomings of the light weight aggregate concrete bar shaped wallboard of present employing, and the first, energy-conservation bar shaped wallboard is a kind of high-efficiency insulated wallboard, thermal transmittance has been reduced to Kw≤0.584W/m ².K, can save a large amount of heating coal consumption amounts; The second, it is very light to conduct oneself with dignity, and the deadweight of unit area wallboard is about 115Kg/m ²To 195Kg/m ²

Technology contents of the present utility model is, this energy-conservation bar shaped wallboard is two-way flexural member, and section is a rectangle, and cross-section structure divides three layers, and first floor is the reinforced lightweight aggregate concrete outer panel of band edge rib, and thickness is 30mm to 35mm; The second layer is high-efficiency insulated layer, and thickness is 50mm to 150mm; The 3rd layer is the reinforced lightweight aggregate concrete interior plate of band edge rib, and thickness is 30mm to 35mm; Be coupled to overall structure with longitudinal reinforcement truss and transverse reinforcement truss between the concrete slab of inside and outside both sides, the concrete of inside and outside biside plate also can adopt ordinary concrete, the muscle of being advocated of inside and outside biside plate, configurable nonprestressed reinforcement, also configurable prestressed reinforcement; The span of energy-conservation bar shaped wallboard can reach 6.0mm, highly is 800mm to 1500mm, and thickness is 150mm to 250mm.

Technique effect of the present utility model is that this energy-conservation bar shaped wallboard is provided with stiffening rib separately at the periphery of both sides concrete slab, has disposed steel bar girder at this place, and the structural performance of plate is good; Be provided with adiabator layer efficiently in the centre of energy-conservation bar shaped wallboard, good heat insulating, thermal transmittance only is equivalent to 0.33 times of haydites of book structure concrete bar shaped wallboard, that is: Kw≤0.584w/m ².k, after thermal transmittances such as building masonry wall that is made of energy-conservation bar shaped wallboard and roof structure reduce synchronously, knit at the annual every square metre of building sides of Border in Harbin Area and to save the heating coal consumption amount and be about 19.44Kg/m ².y, simultaneously, winter, interior temperature was suitable, and difference variation is little, has improved the people's habitat condition; It is about 50% that the deadweight of energy-conservation bar shaped wallboard has reduced, and reduced the section of agent structure, reduced the cost of agent structure, simultaneously, energy-conservation bar shaped wallboard and haydites of book structure wallboard relatively, it is about 30% to 40% to reduce cost, economic benefit is given prominence to.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the utility model longitudinal sectional drawing;

Fig. 3 is the utility model transverse cross-sectional view;

The connecting piece of L plate length, b thickness of slab, H plate hight, 1 steel concrete outer panel, 2 insulation layers, 3 steel concrete interior plates, 4 vertical limit rib insulation layers, 5 widthwise edge rib insulation layers, 6 longitudinal reinforcement truss, 7 transverse reinforcement truss, 8 suspension ring, 9 plates and post.

Realize preferred plan of the present utility model as shown in the figure, this energy-conservation bar shaped wallboard is that load-bearing and insulation combine, and be the two-way outer wall body structural element of being bent, section is a rectangle, thickness of slab b is generally 150mm to 250mm, and section divides three layers, and first floor is a band edge rib steel muscle light weight aggregate concrete plate 1, thickness is 35mm, strength grade of concrete C20 to C30; The second layer is an insulation layer 2, and thickness is 50mm to 150mm, and by expanded perlite and its goods, efficient heat insulating material such as polystyrene board, rock cotton board is made, and with expanded perlite and goods or rock cotton board making insulation layer the time, make vapour barrier; The 3rd layer is band edge rib steel muscle light weight aggregate concrete interior plate 3, and thickness is 35mm, and strength grade of concrete is C20 to C30; Outer panel 1 and interior plate 3 are coupled to integral body by longitudinal reinforcement truss 6 and transverse reinforcement truss 7, and its panel length is 250mm to 300mm; Energy-conservation bar shaped wallboard height H is 800mm to 1500mm, and when L≤4.2m, the muscle of being advocated of inside and outside both sides concrete slab should dispose nonprestressed reinforcement, and when L＞4.2m, the muscle of being advocated of inside and outside both sides concrete slab should dispose prestressed reinforcement.

The construction technology of this energy-conservation bar shaped wallboard is, the flat construction of crouching on level and smooth pedestal, at first brushed interleaving agent on pedestal, to be isolated dose of dry back makes concrete outer panel 1, and method is, make the reinforced mesh or the prestressed reinforcement of tensioning of steel bar girder 6 and steel bar girder 7 and concrete outer panel in advance, lay steel form, the concrete of cast outer panel 1, vibration compacting, the surface is floating, and outer panel is made and finished; Then, dose insulation layer 2 and vertically limit rib insulation layer 4 and widthwise edge rib insulation layer 5, method is, insulation layer is close on the concrete outer panel, and densification and surface evening, and insulation layer is dosed and finished; Thereafter make concrete interior plate 3, method is, assembling reinforcement net sheet, and fluid concrete, vibration compacting and floating troweling, interior plate are made and are finished; Next step is concrete curing, when prestressed slab maintenance to concrete reaches 80% design strength, cuts off prestressed reinforcement; Can lift by crane and carry after the concrete strength of plate reaches design strength, like this, energy-conservation bar shaped wallboard is made and is finished.

Be lifted on the exterior wall position of building with this energy-conservation bar shaped wallboard, plate and constructure body structure connect firmly, deal carefully with the vertical and horizontal piece of plate, and like this, the outer body of wall of the high-efficiency insulated lightweight of the building that energy-conservation bar shaped wallboard constitutes is just constructed and finished.

Claims

1, a kind of energy-conservation bar shaped wallboard, it is characterized in that this plate section is a rectangle, cross-section structure divides three layers, first floor is the reinforced lightweight aggregate concrete outer panel, the second layer is high-efficiency insulated layer, the 3rd layer is the reinforced lightweight aggregate concrete interior plate, is coupled to overall structure with steel bar girder between the concrete slab of inside and outside both sides;

2,, it is characterized in that the first floor concrete outer panel of this plate and the periphery of the 3rd layer concrete interior plate all have the limit rib according to the described energy-conservation bar shaped wallboard of claim 1;

3, according to the described energy-conservation bar shaped wallboard of claim 1, it is characterized in that the connection of this plate between the concrete slab of inside and outside both sides, the what vertical and horizontal all are provided with steel bar girder.