CN107227813B - Steel structure keel masonry brick outer curtain wall system and construction method thereof - Google Patents
Steel structure keel masonry brick outer curtain wall system and construction method thereof Download PDFInfo
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- CN107227813B CN107227813B CN201710629734.XA CN201710629734A CN107227813B CN 107227813 B CN107227813 B CN 107227813B CN 201710629734 A CN201710629734 A CN 201710629734A CN 107227813 B CN107227813 B CN 107227813B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
- E04B2/96—Curtain walls comprising panels attached to the structure through mullions or transoms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
- E04B2/96—Curtain walls comprising panels attached to the structure through mullions or transoms
- E04B2/965—Connections of mullions and transoms
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Abstract
The invention provides a steel structure keel masonry brick outer curtain wall system and a construction method thereof, wherein a curtain wall keel of the curtain wall system comprises transverse support angle steel and primary and secondary keels which are arranged in a full length mode; the curtain wall is a bare brick curtain wall, the part of the bottom of the curtain wall, which is positioned below the bottommost transverse support angle steel, is built on the main structure plate or the main structure bracket, and the rest part of the curtain wall is laid on the transverse support angle steel; a water-mantle plate with a high inside and a low outside is arranged at the position of the curtain wall close to the bottom; horizontal constraint reinforcing meshes are arranged in the curtain wall at intervals in a staggered manner; an air interlayer is formed between the curtain wall and the outer wall of the main body structure, and the part of the bottom of the air interlayer below the flashing board is filled with cement mortar. The brick masonry is combined with the curtain wall keel system, so that the problems of high masonry thickness ratio and structural stability are effectively solved; the air interlayer plays roles of heat preservation, heat insulation and ventilation, thereby achieving the purpose of building energy conservation; and a plurality of waterproof structures are arranged, so that the phenomena of saltpetering of the bare brick curtain wall and water seepage of the outer wall of the main structure are reduced.
Description
Technical Field
The invention relates to the technical field of building curtain wall construction, in particular to a steel structure keel masonry brick outer curtain wall system and a construction method thereof, which are suitable for multi-story and high-rise building curtain walls.
Background
With the rapid progress of scientific and technological production, diversified development of buildings in China and more European style buildings accepted by modern people, wherein the outer wall of the European mid-century red brick style building has relatively large building thickness and short building height, so that the requirements of the modern European style building on space, height, energy conservation and the like are difficult to meet according to the traditional building process.
However, the use of the wall of the bare brick is generally limited to low-rise buildings at present, and for multi-rise buildings, the structure and the construction technology of the existing wall of the bare brick are difficult to meet the requirements due to higher requirements on the structure, the strength and the like.
Disclosure of Invention
The invention aims to provide a steel structure keel masonry brick outer curtain wall system and a construction method thereof, wherein a traditional plain brick masonry process is combined with the curtain wall keel system to serve as outer wall decoration, so that the stability of the whole outer wall system is ensured, and the effect of building energy conservation is achieved.
In order to achieve the purpose, the invention adopts the following construction technical scheme:
the utility model provides a steel construction fossil fragments build brick outer curtain wall system, locates outside the major structure outer wall, including curtain fossil fragments and curtain, its characterized in that:
the curtain wall keel comprises a supporting keel and a fixing keel, the supporting keel comprises a group of transverse supporting angle steels arranged at intervals up and down, and the transverse supporting angle steels are arranged in a full-length mode and are welded and connected with embedded parts in the outer wall of the main structure through a first adapter part; the fixing keel comprises a main keel vertically arranged close to the outer wall of the inner main structure and a secondary keel transversely arranged between the main keels, the main keel is connected with an embedded part in the outer wall of the main structure in a welding mode through a second adapter, and the secondary keel is connected with the main keel through a third adapter in a bolt or welding mode;
the curtain wall is a bare brick curtain wall, the part of the bottom of the curtain wall, which is positioned below the bottommost layer of transverse support angle steel, is built on a main structure plate or a main structure bracket, and the rest part of the curtain wall is laid on the transverse support angle steel; a water-flashing plate with a high inner part and a low outer part is arranged at the position, close to the bottom, of the curtain wall, the inner side end of the water-flashing plate is fixed on the outer wall of the main body structure, and the outer side of the water-flashing plate extends into the space between the two layers of ganged bricks; drain holes are arranged at intervals in a layer of the ganged brick arranged on the flashing board; horizontal constraint reinforcing steel bar meshes are further arranged in the curtain wall at intervals in a staggered mode and are connected with the fixed keel through tie pieces in a bolt mode;
an air interlayer is formed between the curtain wall and the outer wall of the main body structure, and the part of the bottom of the air interlayer below the flashing board is filled with cement mortar.
As a preferred technical scheme of the invention, the distance between two layers of upper and lower adjacent layers of the transverse support angle steel is not more than 3m; the main keels are made of galvanized steel pipes, and the distance between every two adjacent main keels is 500mm; the secondary keel is made of angle aluminum, and the distance between the upper and lower adjacent two layers of keels is eight-skin brick thick.
Further preferably, the first adapter piece, the second adapter piece or the third adapter piece is an L-shaped angle steel or an angle bracket; the horizontal constraint reinforcing mesh and the drawknot piece thereof are all prefabricated stainless steel workpieces which are connected by a bayonet.
Further preferably, the flashing is arranged on three tiles at the bottom, and the vertical seams of every two tiles of the fourth tile are not leveled to form drainage holes.
Further preferably, a waterproof breathable film is adhered to the flashing.
Further preferably, the horizontal restraint net is laid in the curtain wall at intervals of four brick full lengths from top to bottom, the maximum distance between two tie pieces in the horizontal direction is 500mm, and the adjacent upper layer and the lower layer are arranged in a staggered mode.
Further preferably, the thickness range of the air interlayer is not less than 120mm.
Further preferably, when the length of the curtain wall exceeds 12m, an expansion joint which is communicated up and down is arranged in the curtain wall by utilizing an ash joint, the expansion joint is arranged at the rear side of the rainwater pipe, a vertical joint and a horizontal joint at the expansion joint are not laid with slurry, and the expansion joint is filled with the silicone weather-resistant sealant and the pointing agent.
In addition, the invention also provides a construction method of the steel structure keel masonry brick outer curtain wall system, which is characterized by comprising the following steps:
the method comprises the following steps: preparing materials: the method comprises the steps of preparing and processing the plain brick, the cement mortar and the keel;
step two: installation of transverse support angle steel: the transverse full-length device is arranged and fixed with an embedded part of an outer wall of a main body structure through a first adapter part, and the distance between the upper layer and the lower layer is not more than 3m;
step three: installing a main keel: the main keels are vertically arranged at intervals and are welded with the outer wall of the main body structure through the second adaptor, and the main keels are broken if the main keels meet the transverse support angle steel during installation;
step four: installing secondary keels: the secondary keel is transversely arranged between the main keels and is connected with the main keels through three bolts of the adapter or welded;
step five: selecting bricks according to the required color: if the brick wall has color separation requirements, color separation and brick selection are firstly carried out;
step six: and (3) constructing a bottom curtain wall: the part of the curtain wall below the transverse support angle steel at the bottommost layer is built on a main body structure plate or a main body structure bracket, and after the three leather bricks are built, an air interlayer formed between the curtain wall and the outer wall of the main body structure is filled with cement mortar to form a drainage slope with a high inner part and a low outer part;
step seven, installing a flashing: paving a flashing board on the filled cement mortar slope, sticking a waterproof breathable film on the flashing board, firmly fixing the inner side of the flashing board with the outer wall of the main structure, and paving the outer side of the flashing board on a third leather brick;
step eight, arranging drain holes: when a leather brick on the apron leather is the fourth leather brick, the vertical seam of every two bricks is not laid with slurry, so as to form a drainage hole;
ninth, follow-up large-area brick masonry: except that bottom bricks are built on the structural slab, other bricks are built on the transverse support angle steel, a horizontal constraint reinforcing mesh is laid in the clear water brick curtain wall in the length of every four bricks, the horizontal constraint reinforcing mesh is connected with the fixed keel through the tie pieces which are arranged in a staggered mode, and the continuity of the horizontal constraint reinforcing mesh is ensured by adopting a cutting and bending mode at the corner position;
step ten: pointing the joint with lime mortar: when in building, the building and the joint drawing are carried out simultaneously, the joint drawing depth is about 8-10mm, the depth is consistent, and finally the joint is drawn by using a lime mortar joint sealer;
step eleven: coating a waterproof protective agent: and (4) coating a waterproof protective agent outside the curtain wall, and finishing building the steel structure keel building brick outer curtain wall system.
When the length of the curtain wall exceeds 12m, after the ninth step, an expansion joint which is communicated up and down is arranged in the curtain wall by utilizing an ash joint, the expansion joint is arranged at the rear side of the rainwater pipe, a vertical joint and a flat joint at the expansion joint are not horizontally grouted, and the expansion joint is filled with a silicone weather-resistant sealant and a jointing agent.
Compared with the prior art, the invention has the following technical effects:
1. the plain brick is built on a keel system connected with an outer wall (a reinforced concrete shear wall or a secondary building wall) of a main body structure, and the brick building body is combined with a curtain wall keel system, so that the problems of building height-thickness ratio and structural stability can be effectively solved;
2. an air interlayer is formed between the wall of the ganged brick curtain wall and the outer wall of the main body structure, so that the effects of heat preservation, heat insulation and ventilation are achieved, and the aim of building energy conservation is fulfilled;
3. according to the invention, the plurality of waterproof structures are arranged at the outer side of the bare brick curtain wall, the outer side of the main structure outer wall and the related nodes of the curtain wall keel system, so that the phenomena of efflorescence of the bare brick curtain wall and water seepage of the main structure outer wall are reduced.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative, not limiting of the invention, and in which:
FIG. 1 is a schematic view of the installation of the transverse support angle to which the present invention relates;
figure 2 is a schematic view of the main runner installation to which the present invention relates;
FIG. 3 is a schematic elevation view of a drain hole according to the present invention;
FIG. 4 is a schematic view of the installation of a flashing according to the present invention;
FIG. 5 is a schematic view of the position of the expansion joint according to the present invention;
FIG. 6 is a schematic view of the horizontal restraining net and tie members of the present invention in connection with the primary and secondary runners;
FIG. 7 isbase:Sub>A schematic cross-sectional view A-A of FIG. 6;
fig. 8 is a schematic view showing the point location of the fastener according to the present invention.
Reference numerals are as follows: 1-main structure outer wall, 1.1-embedded part, 2-curtain wall keel, 2.1-transverse support angle steel, 2.2-adaptor one, 2.3-main keel, 2.4-secondary keel, 2.5-adaptor two, 2.6-adaptor three, 3-curtain wall, 3.1-clear water brick, 3.2-drain hole, 3.3-expansion joint, 4-apron, 5-air interlayer, 6-cement mortar, 7-horizontal constraint reinforcing mesh, 8-tie part and 9-rainwater pipe.
Detailed Description
Hereinafter, an embodiment of a steel structural keel masonry brick outer curtain wall system and a construction method thereof according to the present invention will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other embodiments that are obvious based on the disclosure of the claims and the specification herein, including those that employ any obvious substitutions and modifications to the embodiments described herein. The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the invention. Like reference numerals are used to denote like parts. The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-8, the steel structure keel masonry brick outer curtain wall system of the invention is arranged outside a main structure outer wall 1, comprises a curtain wall keel 2 and a curtain wall 3, and is characterized in that: the curtain wall keel 2 comprises a supporting keel and a fixing keel, the supporting keel comprises a group of transverse supporting angle steels 2.1 which are arranged at intervals up and down, the transverse supporting angle steels 2.1 are arranged in a through length mode, and the distance between the upper layer and the lower layer which are adjacent to each other is not more than 3m; the connecting piece is connected with an embedded piece 1.1 in the outer wall of the main body structure through a first adapter piece 2.2 in a welding mode, as shown in figure 1; the fixing keels comprise main keels 2.3 which are vertically arranged close to the outer wall 1 of the inner main structure and secondary keels 2.4 which are transversely arranged between the main keels 2.3, the main keels 2.3 are connected with embedded pieces 1.1 in the outer wall of the main structure in a welding mode through second adaptor pieces 2.5, and the secondary keels 2.4 are connected with the main keels 2.3 in a bolt or welding mode through third adaptor pieces 2.6, as shown in the figures 2, 6 and 7; the main keels 2.3 are made of galvanized steel pipes, and the distance between every two adjacent main keels is 2.3 mm; the secondary keel 2.4 is made of angle aluminum, the distance between the upper and lower adjacent two-layer keels 2.4 is eight-skin brick thickness, and the first adaptor part 2.2, the second adaptor part 2.5 or the third adaptor part 2.6 are L-shaped angle steel or angle codes.
The curtain wall 3 is a fair-faced brick curtain wall, the part of the bottom of the curtain wall, which is positioned below the bottommost layer of transverse support angle steel 2.1, is laid on a main structure plate or a main structure bracket, and the rest part is laid on the transverse support angle steel 2.1; a water-proof and breathable film is adhered on the water-proof and breathable film 4 which is arranged on the position of the curtain wall near the bottom, the inner side end of the water-proof and breathable film 4 is fixed on the outer wall 1 of the main structure, and the outer side of the water-proof and breathable film 4 extends between two layers of ganged bricks 3.1, as shown in figure 4; the drainage holes 3.2 are arranged at intervals in a layer of the ganged bricks 3.1 arranged on the apron 4; horizontal constraint reinforcing mesh 7 is further arranged in the curtain wall 3 at intervals, the horizontal constraint reinforcing mesh 7 is laid in the curtain wall 3 at intervals of four through brick lengths, the maximum distance between two tie pieces 8 in the horizontal direction is 500mm, the adjacent upper layer and the lower layer are arranged in a staggered mode, and the horizontal constraint reinforcing mesh 7 is connected with the fixed keel through the tie pieces 8 through bolts, as shown in fig. 6-8. The horizontal constraint reinforcing mesh 7 and the drawknot piece 8 thereof are all prefabricated stainless steel workpieces which are connected by a bayonet; the apron 4 is arranged on the three bricks at the bottom, and the vertical seams of every two bricks of the fourth brick are not paved to form drain holes 3.2, as shown in figure 3.
As shown in fig. 4, an air interlayer 5 is formed between the curtain wall 3 and the main structure outer wall 1, and the thickness range of the air interlayer 5 is not less than 120mm. The bottom of the air interlayer 5 below the apron 4 is filled with cement mortar 6.
In addition, as shown in fig. 5, when the length of the curtain wall 3 exceeds 12m, an expansion joint 3.3 which is through up and down is arranged in the curtain wall 3 by utilizing a mortar joint, the expansion joint 3.3 is arranged at the rear side of the rainwater pipe 9, and the vertical joint and the horizontal joint at the expansion joint 3.3 are not laid with mortar and are filled with the silicone weather-resistant sealant and the pointing agent.
During construction, the method specifically comprises the following steps:
the method comprises the following steps: preparing materials: the method comprises the preparation and processing of materials such as sintered ganged bricks 3.1, cement mortar 6, galvanized steel, aluminum alloy profiles, stainless steel materials, waterproof breathable films, bolts, welding rods, insulating gaskets, anticorrosive coatings, silicone weather-resistant sealants and the like.
Step two: and 2.1, installation of transverse support angle steel: installing transverse support angle steel 2.1 on the main structure outer wall 1 through an embedded part 1.1 (an embedded part or a rear embedded part), wherein the transverse support angle steel is arranged in a full-length mode, and the interlayer spacing of the transverse support angle steel is not more than 3m; the transverse support angle steel 2.1 is connected with an embedded part 1.1 of the main structure outer wall 1 through an L-shaped adaptor, the adaptor is connected with the structure embedded part in a welding mode, and the adaptor is connected with the transverse support angle steel 2.1 in a welding mode;
step three: and (3) installing a main keel 2.3: the brick curtain wall main keel 2.3 is vertical, galvanized steel pipes are adopted, the distance between the main keels is 500mm, the main keel 2.3 is connected with the main structure outer wall 1 through an L-shaped connecting piece, the L-shaped connecting piece is connected with the embedded piece 1.1 through welding, the L-shaped connecting piece is connected with the main keel 2.3 through bolts or welding, and if the main keel 2.3 meets the transverse supporting angle 2.1 during installation, the main keel is broken;
step four: installing a secondary keel 2.4: the secondary keels 2.4 of the brick curtain wall are transverse and are made of angle aluminum, the distance between the secondary keels is 560mm (the thickness of an octapi brick), the secondary keels are arranged between the main keels, the secondary keels 2.4 are connected with the main keels 2.3 through angle code connecting pieces, and the connecting mode is bolted connection or welded connection;
step five: the installation of bottom brick masonry, apron flashing 4 and the setting of wash port 3.2: if the brick wall has color separation requirements, color separation and brick selection are carried out firstly, after the bricks are selected, the bricks are built at the bottom firstly, the bricks are built upwards from a main structure plate (or a main structure bracket) at the top plate of the basement, after three bricks at the bottom are built, an air interlayer 5 (the thickness is more than or equal to 120 mm) formed between the bricks and an outer wall 1 of the main structure is filled with cement mortar 6, a drainage slope with a high inner part and a low outer part is formed, a stainless steel flashing 4 is laid on the filled cement mortar 6, a waterproof breathable film is pasted on the flashing 4 and fixed with the flashing 4, the inner side of the flashing 4 is firmly fixed with the outer wall 1 of the main structure, and the outer side of the flashing is laid on a third brick; a drain hole 3.2 is arranged when the fourth brick is built, and the drain hole 3.2 adopts a mode that vertical seams of every two bricks are not laid with mortar;
step six: building large-area bricks: except that the bottom bricks are laid on the structural slab, other bricks are laid on the transverse supporting angle steel 2. The method is characterized in that a ring beam and a constructional column are not arranged in the masonry of the clean water brick wall, only a horizontal constraint reinforcing mesh 7 is arranged, the horizontal constraint reinforcing mesh 7 and a tie piece 8 thereof adopt prefabricated stainless steel workpieces, the horizontal constraint reinforcing mesh 7 and the tie piece 8 thereof adopt bayonet connection, the horizontal constraint reinforcing mesh 7 is laid in the brick wall for every four bricks in length and is connected with a main keel and a secondary keel through the horizontal tie piece 8, the preferred connection mode is bolt connection, the maximum horizontal distance of the tie piece 8 is 500mm, the tie pieces are uniformly arranged on the main keel 2.3 and the secondary keel 2.4, and the upper layer and the lower layer are staggered, wherein when the horizontal constraint reinforcing mesh 7 is used at a corner position, the continuity of the tie pieces is ensured by adopting cutting and bending modes;
step seven: treatment of expansion joint 3.3 (temperature joint): when the length of the masonry wall body exceeds 12m, an expansion joint 3.3 which is through up and down is required to be arranged by utilizing a mortar joint, the position of the expansion joint 3.3 is arranged at the rear side of the rainwater pipe and the position with a shorter vertical wall surface as much as possible, the vertical joint and the flat joint at the expansion joint are not laid with mortar, and a treatment mode of adding a pointing agent into sealing glue is adopted;
step eight: pointing the joint with lime mortar: when in building, the building and the joint marking are carried out simultaneously, the joint marking depth is about 8-10mm, the depth is consistent, and finally the joint is pointed by using a lime mortar pointing agent;
step nine: coating a waterproof protective agent: after the clean water wall surface is cleaned up, and the brick wall surface is guaranteed to be dry and the weather is clear, the water-based waterproof protective agent is coated, so that the whole brick wall surface is free from water seepage, and the potential danger of saltpetering is reduced. And the construction of the steel structure keel masonry brick outer curtain wall system is finished.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (8)
1. The utility model provides a steel construction fossil fragments build brick outer curtain wall system, locates outside major structure outer wall (1), including curtain fossil fragments (2) and curtain (3), its characterized in that:
the curtain wall keel (2) comprises a supporting keel and a fixing keel, the supporting keel comprises a group of transverse supporting angle steel (2.1) which is arranged at an upper interval and a lower interval, the transverse supporting angle steel (2.1) is arranged at full length, and the transverse supporting angle steel is welded with an embedded part (1.1) in the outer wall of the main structure through a first adapter part (2.2); the fixing keel comprises main keels (2.3) vertically arranged close to the outer wall (1) of the inner main structure and secondary keels (2.4) transversely arranged between the main keels (2.3), the main keels (2.3) are in welded connection with embedded pieces (1.1) in the outer wall of the main structure through second adapter pieces (2.5), and the secondary keels (2.4) are in bolted connection or welded connection with the main keels (2.3) through third adapter pieces (2.6);
the curtain wall (3) is a bare brick curtain wall, the part of the bottom of the curtain wall, which is positioned below the bottommost transverse support angle steel (2.1), is built on a main structure plate or a main structure bracket, and the rest part of the curtain wall is laid on the transverse support angle steel (2.1); a water-flashing plate (4) with a high inner part and a low outer part is arranged at the position, close to the bottom, of the curtain wall, the inner side end of the water-flashing plate (4) is fixed on the outer wall (1) of the main structure, and the outer side of the water-flashing plate extends into the space between the two layers of the gangway bricks (3.1); drainage holes (3.2) are arranged at intervals in a layer of the ganged bricks (3.1) arranged on the flashing (4); horizontal constraint reinforcing meshes (7) are further arranged in the curtain wall (3) at intervals in a staggered mode, and the horizontal constraint reinforcing meshes (7) are connected with the fixed keels through tie pieces (8) through bolts;
an air interlayer (5) is formed between the curtain wall (3) and the main structure outer wall (1), and the part of the bottom of the air interlayer (5) below the flashing board (4) is filled with cement mortar (6);
the apron flashing (4) is arranged on the three leather bricks at the bottom, and the vertical seams of every two bricks of the fourth leather brick are not horizontally grouted to form drain holes (3.2);
and a waterproof breathable film is adhered to the flashing (4).
2. The steel structure keel masonry brick outer curtain wall system according to claim 1, which is characterized in that: the distance between the upper layer and the lower layer of the transverse support angle steel (2.1) is not more than 3m; the main keels (2.3) are made of galvanized steel pipes, and the distance between every two adjacent main keels (2.3) is 500mm; the secondary keel (2.4) is made of angle aluminum, and the distance between the upper and lower adjacent two-layer keels (2.4) is eight-skin brick thickness.
3. The steel structure keel masonry brick outer curtain wall system according to claim 1, which is characterized in that: the first adaptor (2.2), the second adaptor (2.5) or the third adaptor (2.6) is an L-shaped angle steel or an angle code; the horizontal constraint reinforcing mesh (7) and the drawknot piece (8) thereof are all prefabricated stainless steel workpieces which are connected by a bayonet.
4. The steel structure keel masonry brick outer curtain wall system according to claim 1, which is characterized in that: the horizontal constraint reinforcing mesh is laid one way in the curtain wall (3) at every four-brick full length at intervals from top to bottom, the maximum distance between two tie pieces (8) in the horizontal direction is 500mm, and the adjacent upper layer and the lower layer are arranged in a staggered mode.
5. The steel structure keel masonry brick outer curtain wall system according to claim 1, which is characterized in that: the thickness range of the air interlayer (5) is not less than 120mm.
6. The steel structure keel masonry brick outer curtain wall system according to any one of claims 1-5, wherein: when curtain (3) length exceeded 12m, utilized the ash joint to set up expansion joint (3.3) that link up from top to bottom together in curtain (3), expansion joint (3.3) set up in downspout (9) rear side, and perps and the parallel joint of expansion joint (3.3) department do not crouch thick liquid, adopt the resistant sealing glue of silicone to add the pointing agent and fill.
7. The method for building the steel structure keel building brick outer curtain wall system according to claim 6, which is characterized by comprising the following steps of:
the method comprises the following steps: preparing materials: comprises the preparation and processing of plain bricks (3.1), cement mortar (6) and keels;
step two: installation of the transverse support angle steel (2.1): the transverse full-length device is arranged and fixed with an embedded part (1.1) of a main body structure outer wall (1) through a first adapter part (2.2), and the distance between the upper layer and the lower layer is not more than 3m;
step three: installation of the main keel (2.3): the main keels (2.3) are vertically arranged at intervals and are welded with the main structure outer wall (1) through the second adaptor (2.5), and when the main keels are installed, if the main keels meet the transverse support angle steel (2.1), the main keels (2.3) are broken;
step four: installing a secondary keel (2.4): the secondary keels (2.4) are transversely arranged between the main keels and are in bolted connection or welded with the main keels (2.3) through the adapters III (2.6);
step five: selecting bricks according to the required color: if the brick wall has color separation requirements, color separation and brick selection are firstly carried out;
step six: and (3) bottom curtain wall construction: the part of the curtain wall below the transverse support angle steel (2.1) at the bottommost layer is built on a main body structure plate or a main body structure bracket, and after three-layer bricks are built, an air interlayer (5) formed between the three-layer bricks and the main body structure outer wall (1) is filled with cement mortar (6) to form a drainage slope with a high inner part and a low outer part;
seventhly, installing a flashing (4): paving a flashing (4) on the slope of the filled cement mortar (6), sticking a waterproof breathable film on the flashing (4), firmly fixing the inner side of the flashing with the main structure outer wall (1), and paving the outer side of the flashing on a third leather brick;
step eight, arranging a drain hole (3.2): when a leather brick on the apron leather (4) is the fourth leather brick, the vertical seam of every two bricks is not laid with slurry, so as to form a drainage hole;
ninth, follow-up large-area brick masonry: except that the bottom bricks are built on the structural plate, other bricks are built on the transverse support angle steel (2.1), a horizontal constraint reinforcing mesh (7) is laid in the wall of the bare brick curtain wall for every four bricks, the horizontal constraint reinforcing mesh (7) is connected with the fixed keel through a pull piece (8) in staggered arrangement by bolts, and the continuity of the horizontal constraint reinforcing mesh is ensured by adopting a cutting and bending mode at the corner position;
step ten: pointing the joint with lime mortar: when in building, the building and the joint drawing are carried out simultaneously, the joint drawing depth is about 8-10mm, the depth is consistent, and finally, the joint is drawn by using a lime mortar joint sealer;
step eleven: coating a waterproof protective agent: and (3) coating a waterproof protective agent outside the curtain wall (3), so far, finishing the building of the steel structure keel building brick outer curtain wall system.
8. The method of constructing a steel structural keel masonry brick outer curtain wall system according to claim 7, wherein: when the length of the curtain wall (3) exceeds 12m, after the ninth step, an expansion joint (3.3) which is communicated up and down is arranged in the curtain wall by utilizing an ash joint, the position of the expansion joint (3.3) is arranged at the rear side of the rainwater pipe (9), the vertical joint and the horizontal joint at the expansion joint are not laid with mortar, and the silicone weather-resistant sealant and the pointing agent are adopted for filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710629734.XA CN107227813B (en) | 2017-07-28 | 2017-07-28 | Steel structure keel masonry brick outer curtain wall system and construction method thereof |
Applications Claiming Priority (1)
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