CN101831962B

CN101831962B - External wall thermal insulation method for building

Info

Publication number: CN101831962B
Application number: CN2010101448727A
Authority: CN
Inventors: 闫成文
Original assignee: Ningbo University
Current assignee: Ningbo University
Priority date: 2010-04-02
Filing date: 2010-04-02
Publication date: 2011-11-16
Anticipated expiration: 2030-04-02
Also published as: CN101831962A

Abstract

The invention relates to an external wall thermal insulation method for a building. The method is characterized in that the periphery of a cold bridge of the building is enclosed by solid building blocks made of a thermal insulation material and the external wall outside the cold bridge of the building is directly built by hollow building blocks made of the thermal insulation material; the enclosing method for the hollow and solid building blocks comprises the following steps of: laying an outwardly protruding joist on each layer of frame beam in the cold bridge of the building, wherein the length of the part of the joist, which protrudes out of the outer surface of the frame beam along the vertical direction, is less than or equal to the width of the solid building block; then laying a ring of enclosure above and below the joist with the solid building blocks respectively; enclosing two adjacent and outward outer surfaces of a structural column at the corner with the solid building blocks; enclosing the outward outer surface of the structural column at the middle position with the solid building blocks; then directly building the external wall outside the cold bridge of the building with the hollow building blocks; and meanwhile, making the outer surfaces of the hollow building blocks flush with the outer surfaces of the solid building blocks.

Description

A kind of external wall thermal insulation method of building

Technical field

The present invention relates to the technical field that the exterior wall to building is incubated, particularly relate to a kind of external wall thermal insulation method of building.

Background technology

At present, the exterior-wall heat insulation of building generally all is to adopt outer insulation way, soon heat insulating material places and uses the external side of the good exterior wall of brick indignation, general heat insulating material adopts polyphenyl plate, thermal insulation mortar etc., and there is following shortcoming in the heat preserving method that this employing heat insulating material sticks to the external side of exterior wall:

1, because heat insulating material is different with the hot rerum natura of exterior wall material of main part, ftractures easily, seeps water, comes off, ask also degraded easily when long, influence heat insulation effect, even do not have insulation effect;

2, the poor durability of Chang Yong heat insulating material, the general life-span is 15 years, and is inconsistent with 50～70 year life-span of building itself; How to handle be a very big problem to insulation layer after 15 years.

Summary of the invention

Technical problem to be solved by this invention is the external wall thermal insulation method that a kind of high insulating effect, the exterior-wall heat insulation building that part can not ftracture, come off, seeps water is provided at above-mentioned prior art.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: the external wall thermal insulation method of this building, it is characterized in that: go along with sb. to guard him in the solid block that the periphery of building cold bridge adopts heat insulating material to make, the building-block that outer body of wall beyond the building cold bridge directly adopts heat insulating material to make assembles, and the worker's method of going along with sb. to guard him of described building-block and described solid block is:

In the building cold bridge, design the joist that a circle outwards protrudes on every layer of Vierendeel girder, joist protrudes from the width of the length of Vierendeel girder vertical direction external surface smaller or equal to described solid block, adopts described solid block to carry out a corral in the both sides up and down of described joist then and protects; The structural column that is in the corner in the building cold bridge is two adjacent, and external surface outwardly adopt described solid block to go along with sb. to guard him; The structural column at the place of mediating external surface outwardly adopts described solid block to go along with sb. to guard him in the building cold bridge; Outer body of wall beyond the building cold bridge directly adopts described building-block to assemble then, makes the external surface of described building-block and described solid block keep flushing simultaneously.

Described building-block adopts the haydite concrete hollow block, the length of haydite concrete hollow block be 390 millimeters, wide be that 240 millimeters, height are 190 millimeters; The solid block of haydite concrete is adopted in described solid block, the length of haydite concrete solid block be 390 millimeters, wide be that 100 millimeters, height are 190 millimeters.

The length that described joist protrudes from the Vierendeel girder external surface is 80 millimeters, and the slit between the haydite concrete solid block of joist and peripheral protective is starched floating as the horizontal shrinkage joint of exterior rendering with haydite dry powder or adopted gap filler and adhesive tape to fill and lead up.

The external surface of described haydite concrete hollow block and the solid block of described haydite concrete also scribbles one deck and plasters.

It is raw material that haydite, flyash are adopted in described haydite concrete hollow block and described haydite concrete solid block, is that cementitious matter infiltrates Tao Sha compression moulding more then with cement.

Compared with prior art, the invention has the advantages that: go along with sb. to guard him in the solid block that the periphery of building cold bridge adopts heat insulating material to make, the building-block that outer body of wall beyond the building cold bridge directly adopts heat insulating material to make assembles, whole frame construction is enclosed in the haydite concrete block masonry, compare with common exterior wall self-heat conserving way (only main part self-heat conserving), the cold bridge area has reduced about 90%, high insulating effect; And the building-block that directly adopts heat insulating material to make assembles the outer body of wall beyond the building cold bridge, makes exterior wall promptly can be incubated, and can not ftracture again, comes off, seep water.

Description of drawings

Fig. 1 is the outer wall part profile of building in the embodiment of the invention;

Fig. 2 is near the structure chart the structural column that is in the corner in the building cold bridge in the embodiment of the invention;

Fig. 3 is near the structure chart the structural column that mediates in the building cold bridge in the embodiment of the invention;

Fig. 4 is a haydite concrete hollow block structure chart one in the embodiment of the invention;

Fig. 5 is a haydite concrete hollow block structure chart two in the embodiment of the invention.

The specific embodiment

Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.

See also Fig. 1, Fig. 2, shown in Figure 3, the invention provides a kind of exterior wall of building of giving and carry out heat preserving method, it mainly is to go along with sb. to guard him in the solid block 2 that the periphery of building cold bridge adopts heat insulating material to make, the building-block 1 that outer body of wall beyond the building cold bridge directly adopts heat insulating material to make assembles, building-block 1 and practice building block 2 can adopt common heat insulating material to make, in the present embodiment, building-

block

1 and 2 of building blocks of practice all are that employing haydite, flyash are raw material, are that cementitious matter infiltrates Tao Sha compression moulding more then with cement; Below for intensity is that 5Mpa, density rating are 800 grades haydite concrete hollow block 1 and, the prescription of the solid block 2 of haydite concrete:

Haydite 397.31kg/m ³, flyash 23.54kg/m ³, Tao Sha 227.1523.54kg/m ³, cement 130.80kg/m ³, water 120.00kg/m ³

The structure of haydite concrete hollow block 1 has two kinds of designs, and a kind of have two hollow holes in the longitudinal direction for building block, and referring to shown in Figure 4, another kind of in the building block four hollow holes being arranged, length direction and short transverse all have two hollow holes, referring to shown in Figure 5; The length of haydite concrete hollow block 1 be 390 millimeters, wide be that 240 millimeters, height are 190 millimeters, the length that the solid block of haydite concrete is 2 be 390 millimeters, wide be that 100 millimeters, height are 190 millimeters; The worker's method of going along with sb. to guard him of described haydite concrete hollow block 1 and described haydite concrete solid block 2 is:

1, in the building cold bridge, establishes the joist 12 of building an outside protrusion on every layer of Vierendeel girder 11, the length a that joist 12 protrudes from Vierendeel girder 11 vertical direction external surfaces is 80mm, adopt described solid block 1 to carry out a corral then protects in the both sides up and down of described joist 12, distance between joist 12 and the Vierendeel girder 11 is than the solid block 2 of haydite concrete and the short 20mm of the distance between the Vierendeel girder 11 of peripheral protective like this, slit between the haydite concrete solid block 2 of joist 12 and peripheral protective is starched floating with haydite dry powder or is adopted gap filler and adhesive tape to fill and lead up, referring to shown in Figure 1;

2, in the building cold bridge, be in 13 liang of the structural columns of corner adjacent, and external surface outwardly adopt described solid block 2 to go along with sb. to guard him;

3, structural column 14 external surface outwardly at the place of mediating adopts described solid block to go along with sb. to guard him in the building cold bridge;

4, the outer body of wall beyond the building cold bridge directly adopts described building-block 1 to assemble;

When haydite concrete hollow block 1 and haydite concrete solid block 2 are gone along with sb. to guard him, must make the external surface of described building-block and described solid block keep flushing;

5, last external surface in haydite concrete hollow block and the solid block of described haydite concrete is coated with one deck and plasters 3.

The job practices of outer body of wall adopts conventional method, in work progress, in order to guarantee the firm of outer body of wall root, the masonry in the outer high scope of body of wall root 600mm of the first floor can adopt solid concrete concrete block masonry, can prevent moisture absorption ponding in the hole of building-block like this, cause the foot of a wall mouldy.

Because the length of haydite concrete hollow block and the solid block of described haydite concrete is set, in order better the building cold bridge to be gone along with sb. to guard him, guarantee the linking between haydite concrete hollow block and the solid block of haydite concrete, when the structural column external surface of building cold bridge is gone along with sb. to guard him, if the length of last piece haydite concrete solid block surpasses the structural column external surface, can adopt the solid block of an other haydite concrete after levelling on the structural column side surface direction in the side of structural column, carry out the block base of the outer body of wall of remainder again with the haydite concrete hollow block.

Claims

1. the external wall thermal insulation method of a building, it is characterized in that: go along with sb. to guard him in the solid block that the periphery of building cold bridge adopts heat insulating material to make, the building-block that outer body of wall beyond the building cold bridge directly adopts heat insulating material to make assembles, and the worker's method of going along with sb. to guard him of described building-block and described solid block is:

In the building cold bridge, establish the joist of building an outside protrusion on every layer of Vierendeel girder, joist protrudes from the width of the length of Vierendeel girder vertical direction external surface smaller or equal to described solid block, adopts described solid block to carry out a corral in the both sides up and down of described joist then and protects; The structural column that is in the corner in the building cold bridge is two adjacent, and external surface outwardly adopt described solid block to go along with sb. to guard him; The structural column at the place of mediating external surface outwardly adopts described solid block to go along with sb. to guard him in the building cold bridge; Outer body of wall beyond the building cold bridge directly adopts described building-block to assemble then, makes the external surface of described building-block and described solid block keep flushing simultaneously.

2. the external wall thermal insulation method of building according to claim 1 is characterized in that: described building-block adopts the haydite concrete hollow block, the length of haydite concrete hollow block be 390 millimeters, wide be that 240 millimeters, height are 190 millimeters; The solid block of haydite concrete is adopted in described solid block, the length of haydite concrete solid block be 390 millimeters, wide be that 100 millimeters, height are 190 millimeters.

3. the external wall thermal insulation method of building according to claim 2, it is characterized in that: the length that described joist protrudes from the Vierendeel girder external surface is 80 millimeters, and the slit between the haydite concrete solid block of joist and peripheral protective is starched floating as the horizontal shrinkage joint of exterior rendering with haydite dry powder or adopted gap filler and adhesive tape to fill and lead up.

4. the external wall thermal insulation method of building according to claim 2, it is characterized in that: the external surface of described haydite concrete hollow block and the solid block of described haydite concrete also scribbles one deck and plasters.

5. according to the external wall thermal insulation method of any described building of claim in the claim 2～4, it is characterized in that: it is raw material that haydite, flyash are adopted in described haydite concrete hollow block and described haydite concrete solid block, is that cementitious matter infiltrates Tao Sha compression moulding more then with cement.