CN211058040U - Autoclaved sand aerated exterior wall external thermal insulation system suitable for multi-high-rise building - Google Patents

Autoclaved sand aerated exterior wall external thermal insulation system suitable for multi-high-rise building Download PDF

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Publication number
CN211058040U
CN211058040U CN201920948415.XU CN201920948415U CN211058040U CN 211058040 U CN211058040 U CN 211058040U CN 201920948415 U CN201920948415 U CN 201920948415U CN 211058040 U CN211058040 U CN 211058040U
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China
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sand aerated
thermal insulation
autoclaved sand
piece
external thermal
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张永强
赵晓辉
郑少波
宋晓峰
宫喜庆
王磊
王思文
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Tianjin Tianda Construction Engineering Technology Co ltd
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Tianjin Tianda Construction Engineering Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/24Structural elements or technologies for improving thermal insulation
    • Y02A30/244Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires

Abstract

The utility model relates to a be suitable for many high-rise buildings evaporate and press outer heat preservation system of sand air entrainment outer wall, including the outer wall body, characterized by: the outer wall body is sequentially connected with an I-type interface treating agent layer, an adhesive layer, a B03-grade autoclaved sand aerated concrete heat-insulating block, a II-type interface treating agent layer, a plastering mortar layer, an alkali-resistant glass fiber gridding cloth layer and a decorative layer from inside to outside. Has the advantages that: the utility model is suitable for a many high-rise reinforced concrete shear wall structure buildings, evaporate the insulation material of pressing the sand aerated outer wall and evaporate that B03 level evaporates that sand aerated concrete block density is littleer, coefficient of heat conductivity is lower. The autoclaved sand aerated exterior wall external thermal insulation system constructed according to the construction method and the construction method is subjected to an anti-seismic bench test, a low-cycle repeated load test, a weather resistance test and a wind pressure resistance test, and the result shows that the exterior wall external thermal insulation system has good anti-seismic performance and durability and can have the same service life as a building.

Description

Autoclaved sand aerated exterior wall external thermal insulation system suitable for multi-high-rise building
Technical Field
The utility model belongs to fixed building field especially relates to a evaporate and press sand air entrainment outer wall external thermal insulation system who is suitable for many high-rise buildings.
Background
The autoclaved aerated concrete is a porous structural material, and the volume weight is generally 200-525kg/m3As a wall filling material, the self-weight of the building can be reduced, and the wall filling material is an ideal wall material for a multi-story and high-rise building structure. The autoclaved aerated concrete has good heat preservation and heat insulation performance, remarkable building energy-saving effect, can save a large amount of energy, saves energy in the production process compared with other building materials, and is a high-efficiency and energy-saving building material product. As the autoclaved sand aerated concrete belongs to A-grade non-combustible materials, compared with the traditional molding polystyrene board (EPS) and extrusion molding polystyrene board (XPS), the autoclaved sand aerated concrete as the external thermal insulation material of the external wall can avoid the occurrence of fire hazard. The national building standard design drawing sets an autoclaved lightweight sand aerated concrete (ACC) block and plate building structure (06CJ05) and an autoclaved lightweight sand aerated concrete (ACC) block and plate structure (06CG01) to provide reference drawings for the structure of the autoclaved lightweight sand aerated concrete heat-insulating block as the external heat-insulating layer of the building outer wall from the building major and the structure major respectively. Autoclaved aerated concrete heat-insulating block specification adopted in centralized drawingIs B04 grade and B05 grade, and has density less than 425kg/m3And 510kg/m3The density of the autoclaved aerated concrete heat-insulating block is much higher than that of a polyphenyl board (EPS) and an extruded polyphenyl board (XPS), so that the autoclaved aerated concrete heat-insulating block is reliably bonded with a base layer member through an adhesive and is connected with the base layer member through other constructional measures, and the safety and the durability of an external heat-insulating system of the external wall are qualified.
TABLE 1 defects of different connection types of autoclaved sand aerated insulation blocks and base concrete columns
The situation shows that how to effectively solve the connection structure of the autoclaved aerated concrete heat-preservation block and the base component is an important problem to be solved as the external heat preservation of the building outer wall.
SUMMERY OF THE UTILITY MODEL
The utility model provides an overcome not enough among the prior art, provide a evaporate and press sand air entrainment outer wall external insulation system who is suitable for many high-rise buildings.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme, a evaporate and press sand air entrainment outer wall external thermal insulation system that is suitable for many high-rise buildings, including the outer wall body, characterized by: the outer wall body is sequentially connected with an I-type interface treating agent layer, an adhesive layer, a B03-grade autoclaved sand aerated concrete heat-insulating block, a II-type interface treating agent layer, a plastering mortar layer, an alkali-resistant glass fiber gridding cloth layer and a decorative layer from inside to outside.
The connecting piece is fixedly connected between the outer wall body and the B03-grade autoclaved sand aerated concrete heat-insulating block through anchor bolts, the connecting piece and the outer wall body are fixedly connected through an adhesive layer on the back of the B03-grade autoclaved sand aerated concrete heat-insulating block, and the end face of the B03-grade autoclaved sand aerated concrete heat-insulating block is fixedly connected with the connecting piece through steel nails and tie-bars.
The B03-grade autoclaved sand aerated concrete heat-insulating block is 600mm long, × mm wide, 250mm wide, × mm thick and 100mm thick.
The diameter of the anchor bolt is a metal anchor bolt with the diameter of phi 8 mm.
The cross section of the connecting piece is L-shaped, the connecting piece is a metal piece, the height of each limb is 80mm, the length of each limb is 120mm, the thickness of each limb is 1.5mm, the horizontal distance of the connecting piece is 600-1200mm, and the vertical distance of the connecting piece is the height of three autoclaved sand aerated concrete heat-insulating blocks.
The connecting piece is provided with an elliptical hole for adjusting the position of the anchor bolt, and the elliptical hole is 20mm long and 8mm wide.
The connecting piece is connected with the lower layer autoclaved sand aerated heat preservation block by two steel nails.
The tie bar is made of round steel with the diameter phi of 6mm, and the vertical interval is the height of the two autoclaved sand aerated heat preservation blocks.
The thickness of the adhesive layer is 6-10mm, and the thickness of the plastering mortar layer is 3-6 mm.
Has the advantages that: compared with the prior art, the utility model is suitable for a many high-rise reinforced concrete shear wall structure buildings, evaporate the insulation material that presses sand aerated outer wall and compare with B04 level and B05 level, B03 level evaporates presses sand aerated concrete block density (be less than 325kg/m3) Smaller, lower heat conductivity coefficient (0.1), and is an ideal material for external thermal insulation of the external wall of the multi-story high-rise reinforced concrete shear wall structure building. The utility model discloses evaporate the pressure sand aerated concrete heat preservation piece with B03 level and regard as insulation material, be applied to the structure way and the construction method of the outer heat preservation system of outer wall of many high-rise shear wall structure buildings, solved effectively and evaporated the connection structure problem of pressing sand aerated concrete heat preservation piece and reinforced concrete basic unit wall body. The autoclaved sand aerated exterior wall external thermal insulation system constructed according to the construction method and the construction method is subjected to an anti-seismic bench test, a low-cycle repeated load test, a weather resistance test and a wind pressure resistance test, and the result shows that the exterior wall external thermal insulation system has good anti-seismic performanceThe earthquake performance and the durability can be the same as the life of the building.
Drawings
FIG. 1 is a schematic sectional view of the structure of the present invention;
FIG. 2a is a top view of an autoclaved sand aerated exterior wall external insulation system structure;
FIG. 2b is a sectional view of the structure of an autoclaved sand aerated exterior wall external thermal insulation system;
FIG. 3 is a schematic view of the structure of the connector;
FIG. 4a is a structural layout diagram of a reinforced concrete base wall body provided with cornices;
fig. 4b is a structural layout diagram of the reinforced concrete base layer wall body provided with joists.
In the figure: 1. the steel nail and the concrete composite wall body comprise a I-type interface treating agent layer, 2 parts of an adhesive layer, 3 parts of an anchor bolt, 4 parts of a connecting piece, 4-1 parts of an elliptical hole, 4-2 parts of a round hole penetrating through a steel nail, 5 parts of the steel nail and a tie bar, 6 and B03-grade autoclaved sand aerated concrete heat preservation blocks, 7 and II-type interface treating agent layers, 8 parts of a plastering adhesive layer, 9 parts of an alkali-resistant glass fiber mesh layer, 10 parts of a finishing layer, 11 parts of an outer wall body, 12 parts of a cornice, 13 parts of a joist.
Detailed Description
The following detailed description of the embodiments according to the present invention with reference to the preferred embodiments is as follows:
referring to the attached drawing 1 in detail, the embodiment discloses an autoclaved sand aerated exterior wall external thermal insulation system suitable for a multi-high-rise building, which comprises an exterior wall body 11, wherein the exterior wall body is sequentially connected with an I-type interface treating agent layer 1, an adhesive layer 2, a B03-grade autoclaved sand aerated concrete thermal insulation block 6, a II-type interface treating agent layer 7, a plastering mortar layer 8, an alkali-resistant glass fiber mesh cloth layer 9 and a finishing layer 10 from inside to outside, the B03-grade autoclaved sand aerated concrete thermal insulation block is 600mm in length, × mm in width, × mm in thickness, 100mm in thickness, 6-10mm in thickness of the adhesive layer and 3-6mm in thickness of the plastering mortar layer.
The preferred scheme of the embodiment is that a connecting piece 4 is fixedly connected between the outer wall body and the B03-grade autoclaved sand aerated concrete heat-insulating block through an anchor bolt 3, the back of the B03-grade autoclaved sand aerated concrete heat-insulating block fixedly connects the connecting piece with the outer wall body through an adhesive layer, the end face of the B03-grade autoclaved sand aerated concrete heat-insulating block is fixedly connected with the connecting piece through a steel nail and a tie bar 5, the diameter of the anchor bolt is phi 8mm, the cross section of the connecting piece is L-shaped, the connecting piece is a metal piece, the height of each limb of the connecting piece is 80mm, the length of each connecting piece is 120mm, the thickness of each connecting piece is 1.5mm, the horizontal interval of the connecting piece is 600-1200mm, the vertical interval of the three autoclaved sand aerated concrete heat-insulating blocks is the height of the three autoclaved sand aerated concrete heat-insulating blocks, an oval hole 4-1 for adjusting the position of the anchor bolt is arranged on the connecting piece, the oval hole is 20mm, the width of the connecting piece is 8mm, the connecting piece is connected with the autoclaved sand aerated heat-.
Method for constructing external thermal insulation system of autoclaved sand aerated exterior wall
Referring to the attached drawings 2 a-2B in detail, a structural top view and a sectional view of the autoclaved sand aerated exterior wall external thermal insulation system are shown, wherein the length × width × thickness of the B03-grade autoclaved sand aerated concrete thermal insulation block is 600mm × 250mm × 100mm, and the anchor bolt is a metal anchor bolt with the diameter of 8 mm.
The special connecting piece is an L-shaped metal piece with the limb height of 80mm, the length of 120mm and the thickness of 1.5mm, two round holes penetrating through steel nails are arranged on the horizontal plane of the L-shaped metal connecting piece, the horizontal distance is 600-1200mm, the vertical distance is the height of three autoclaved sand aerated concrete heat preservation blocks, in order to avoid steel bars when an anchor bolt is installed on a reinforced concrete base wall, an oval hole with the length of 20mm and the width of 8mm is arranged on the connecting surface of the special connecting piece and the reinforced concrete base wall and used for adjusting the position of the anchor bolt, the special connecting piece is connected with the autoclaved sand aerated heat preservation blocks on the lower layer by adopting two steel nails, a tie bar adopts round steel with the diameter of 6mm, the vertical distance is the height of the two autoclaved sand aerated heat preservation blocks, the tie bar is arranged on the end surface of the autoclaved sand aerated concrete heat preservation blocks on the B03 level and connected with an outer wall, the special adhesive has the function of assisting in fixing the autoclaved sand aerated concrete heat preservation blocks on the B03 level, the light steel keel prefabricated wall with the thickness of a plastering surface mortar layer of 6-type light aerated.
According to the aim of preventing wall surface cracking according to the autoclaved lightweight sand aerated concrete (ACC) block and plate building structure (06CJ05), alkali-resistant glass fiber mesh cloth is only required to be additionally attached between the autoclaved sand aerated concrete block and the heat preservation block, and alkali-resistant mesh cloth is not required to be attached to the heat preservation block in the area connected with the base concrete column. Through low week repeated load test result show, alkali-resisting glass fiber net is to preventing to press the outer sudden strain of a muscle of autoclaved aerated concrete heat preservation piece and come off and play very important effect at basic unit's component deformation in-process, so the utility model discloses a set up the mode with alkali-resisting glass fiber net check cloth full cloth.
In order to further improve the safety of the external thermal insulation system of the external wall, when the height of the reinforced concrete base wall is not more than 24M, a structural cornice 12 or a joist 13 is arranged in every 6M range, and when the height of the reinforced concrete base wall is more than 24M, a cornice or a joist is arranged in every 4M range, wherein the cornice is detailed in an attached 4a, the cornice and the reinforced concrete base wall are cast together, the cornice is 60mm in width and 100mm in height, the joist is L90 × 3 equilateral angle steel, M12 galvanized metal expansion bolts are selected, and the horizontal distance is 1M.
Constituent material of autoclaved sand aerated external wall external thermal insulation system
The heat-insulating block adopts a B03 grade building block which meets the requirements of the national specification of autoclaved aerated concrete building block (GB 11968-2006) and also meets the requirements of building energy-saving calculation. The special adhesive, the finishing mortar and the alkali-resistant glass fiber mesh fabric respectively meet the requirements of interface mortar, anti-crack mortar and alkali-resistant mesh fabric in the rubber powder polyphenyl particle external thermal insulation system (JG 158-wall 2004) of the industrial standard. The special interface treating agents (type I and type II) respectively meet the requirements of the industry standard concrete interface treating agent (JCT 907-2002). The special connecting piece and the joist should be subjected to corrosion prevention and rust prevention treatment before installation.
Construction method of autoclaved sand aerated exterior wall external thermal insulation system
The main construction process of the autoclaved sand aerated exterior wall external heat insulation system comprises the following steps: 1. cleaning floating ash on the wall surface of the foundation wall; 2. coating a special interface treating agent (type I) on the surface of the foundation wall; 3. installing anchor bolts, special connecting pieces, pulling-connecting reinforcing steel bars and joists; 4. preparing a special adhesive, and paving a B03-grade autoclaved sand aerated insulation block; 5. coating a special interface treating agent (type II) on the surface of the heat preservation block; 6. and (3) smearing surface mortar on the surface of the heat-insulating block, pressing alkali-resistant glass fiber mesh cloth in the heat-insulating block, and naturally curing for 28 days.
Summary of the invention
The utility model discloses an evaporate and press outer insulation system of sand aerated outer wall to evaporate and press aerated concrete heated board with B03 level and be insulation material, through addding the structure cornice or joist, adopt special adhesive, set up means such as special connecting piece and steel nail, draw and connect the reinforcing bar, the alkali-resisting glass fibre net cloth of full cloth, the effectual problem of evaporating to press sand aerated concrete heated board and reinforced concrete basic unit wall body component joint structure of having solved. The results of an anti-seismic bench test, a low-cycle repeated load test, weather resistance and wind pressure resistance tests show that the external thermal insulation system for the external wall has good anti-seismic performance and durability, and can have the same service life as a building
The above detailed description of the autoclaved sand aerated external thermal insulation system for multi-story and high-rise buildings with reference to the embodiments is illustrative and not restrictive, and several embodiments can be enumerated according to the limited scope, so that changes and modifications without departing from the general concept of the present invention shall fall within the protection scope of the present invention.

Claims (9)

1. The utility model provides a be suitable for many high-rise buildings evaporate external thermal insulation system of pressure sand air entrainment, includes the wall body, characterized by: the outer wall body is sequentially connected with an I-type interface treating agent layer, an adhesive layer, a B03-grade autoclaved sand aerated concrete heat-insulating block, a II-type interface treating agent layer, a plastering mortar layer, an alkali-resistant glass fiber gridding cloth layer and a decorative layer from inside to outside.
2. The autoclaved sand aerated exterior wall external thermal insulation system suitable for the multi-story and high-rise building according to claim 1, which is characterized in that: the connecting piece is fixedly connected between the outer wall body and the B03-grade autoclaved sand aerated concrete heat-insulating block through anchor bolts, the connecting piece and the outer wall body are fixedly connected through an adhesive layer on the back of the B03-grade autoclaved sand aerated concrete heat-insulating block, and the end face of the B03-grade autoclaved sand aerated concrete heat-insulating block is fixedly connected with the connecting piece through steel nails and tie-bars.
3. The autoclaved sand aerated outer wall external thermal insulation system suitable for the multi-high-rise building according to claim 1, wherein the B03-grade autoclaved sand aerated concrete thermal insulation block is 600mm in length, × mm in width, 250mm in thickness, × and 100mm in thickness.
4. The autoclaved sand aerated exterior wall external thermal insulation system suitable for the multi-story and high-rise building according to claim 2, which is characterized in that: the diameter of the anchor bolt is a metal anchor bolt with the diameter of phi 8 mm.
5. The autoclaved sand aerated outer wall external thermal insulation system suitable for the multi-high-rise building as claimed in claim 2, wherein the cross section of the connecting piece is L-shaped, the connecting piece is a metal piece, the height of each limb is 80mm, the length of each limb is 120mm, the thickness of each limb is 1.5mm, the horizontal distance of the connecting piece is 600-1200mm, and the vertical distance of the connecting piece is the height of three autoclaved sand aerated concrete thermal insulation blocks.
6. The autoclaved sand aerated exterior wall external thermal insulation system suitable for the multi-story and high-rise buildings according to claim 2 or 5, which is characterized in that: the connecting piece is provided with an elliptical hole for adjusting the position of the anchor bolt, and the elliptical hole is 20mm long and 8mm wide.
7. The autoclaved sand aerated exterior wall external thermal insulation system suitable for the multi-story and high-rise building according to claim 6, which is characterized in that: the connecting piece is connected with the lower layer autoclaved sand aerated heat preservation block by two steel nails.
8. The autoclaved sand aerated exterior wall external thermal insulation system suitable for the multi-story and high-rise building according to claim 2, which is characterized in that: the tie bar is made of round steel with the diameter phi of 6mm, and the vertical interval is the height of the two autoclaved sand aerated heat preservation blocks.
9. The autoclaved sand aerated exterior wall external thermal insulation system suitable for the multi-story and high-rise building according to claim 1, which is characterized in that: the thickness of the adhesive layer is 6-10mm, and the thickness of the plastering mortar layer is 3-6 mm.
CN201920948415.XU 2019-06-21 2019-06-21 Autoclaved sand aerated exterior wall external thermal insulation system suitable for multi-high-rise building Active CN211058040U (en)

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CN201920948415.XU CN211058040U (en) 2019-06-21 2019-06-21 Autoclaved sand aerated exterior wall external thermal insulation system suitable for multi-high-rise building

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920948415.XU CN211058040U (en) 2019-06-21 2019-06-21 Autoclaved sand aerated exterior wall external thermal insulation system suitable for multi-high-rise building

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CN211058040U true CN211058040U (en) 2020-07-21

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