CN113653272B - Archaized eave of steel structure of high-rise building and construction method thereof - Google Patents
Archaized eave of steel structure of high-rise building and construction method thereof Download PDFInfo
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- CN113653272B CN113653272B CN202111041504.4A CN202111041504A CN113653272B CN 113653272 B CN113653272 B CN 113653272B CN 202111041504 A CN202111041504 A CN 202111041504A CN 113653272 B CN113653272 B CN 113653272B
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- eave
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/15—Trimming strips; Edge strips; Fascias; Expansion joints for roofs
- E04D13/158—Trimming strips; Edge strips; Fascias; Expansion joints for roofs covering the overhang at the eave side, e.g. soffits, or the verge of saddle roofs
- E04D13/1585—Trimming strips; Edge strips; Fascias; Expansion joints for roofs covering the overhang at the eave side, e.g. soffits, or the verge of saddle roofs covering the verge of saddle roofs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/064—Gutters
- E04D13/0645—Connections between gutter and down pipe
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/08—Down pipes; Special clamping means therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D15/00—Apparatus or tools for roof working
- E04D15/02—Apparatus or tools for roof working for roof coverings comprising tiles, shingles, or like roofing elements
- E04D15/025—Templates, gauges or spacers for installing roof tiles or roof laths
Abstract
The invention discloses an antique eave of a high-rise building steel structure and a construction method thereof, and relates to the technical field of antique building design and construction. Archaizing eave of high-rise building steel construction, including the eave steel structure skeleton modelled after an antique that sets up around the building outer wall, connect the tiling of modelled after an antique slope roofing at eave steel structure skeleton top, connect the decorative board in archaizing eave steel structure skeleton bottom and outside, connect the gutter drainage system in the eave steel structure skeleton modelled after an antique, and install the outlet protection device in the eave steel structure skeleton modelled after an antique. The steel structure framework of the antique eave is subjected to blanking welding on site, and other structures are prefabricated in factories and installed on site; the construction is convenient and the maintenance is easy; compare in traditional concrete structure eaves modelled after an antique, need not to set up overhanging structure construction formwork and scaffold frame again, the process is simple and convenient, and operation safety can shorten construction cycle by a wide margin, environmental protection, material saving, reduce cost.
Description
Technical Field
The invention relates to the technical field of archaized building design and construction, in particular to a steel structure archaized eave of a high-rise building and a construction method thereof.
Background
In recent years, archaized buildings are widely applied to high-rise residential projects as a cultural element, wherein the most common mode is to integrate archaized tiles hung on a flat roof oblique eaves into the building design, and integrate the cultural background into modern high-rise residential buildings in the form of archaized eaves.
At present, the antique eave adopts a reinforced concrete structure in a high-rise building to realize the antique effect. However, the following common disadvantages exist in the construction process: 1) the reinforced concrete cantilever structure is subjected to large self gravity, complex modeling, difficult formwork support and various overall processes; 2) a special overhanging scaffold needs to be erected again, construction measures are large in investment, safety risk is high, a large amount of manpower and material resources are wasted, and the green construction concept is not met; 3) the formwork removal period of the cantilever concrete structure is long, the whole construction period is prolonged, and subsequent procedures of external vertical surfaces, roofs and the like are delayed for construction; 4) the renting equipment machinery such as a tower crane, a scaffold and the like occupies long time, so that the renting cost is increased, and the outdoor project cannot be closed, so that the delivery time of the whole project is influenced; 5) the structure and waterproof construction quality is difficult to control, the leakage risk is high, and the later maintenance is difficult; 6) the overhung length of the concrete structure eave is too long, so that the outer wall construction hanging basket cannot be normally installed.
Disclosure of Invention
The invention aims to provide an antique eave with a high-rise building steel structure and a construction method thereof, and solves the problems that the traditional antique eave with a cast-in-place concrete structure has multiple working procedures, complex process, high safety risk, high cost, long construction period, incapability of inserting and constructing subsequent working procedures, high leakage risk, high maintenance cost and the like, and a special overhanging scaffold and a template support frame are erected.
In order to achieve the purpose, the invention adopts the following technical scheme:
archaizing eave of high-rise building steel construction, including the eave steel structure skeleton modelled after an antique that sets up around the building outer wall, connect the tiling of modelled after an antique slope roofing at eave steel structure skeleton top, connect the decorative board in archaizing eave steel structure skeleton bottom and outside, connect the gutter drainage system in the eave steel structure skeleton modelled after an antique, and install the outlet protection device in the eave steel structure skeleton modelled after an antique.
Archaize eave steel structure skeleton includes a plurality of steel construction cantilever beam units, through horizontal pole and tile fossil fragments welded connection between the adjacent steel construction cantilever beam unit.
The steel construction cantilever beam unit includes and buries the piece and connect perpendicularly a pair of cantilever beam in building outer wall side, the interval welding is at a pair of beam-ends outside stand and a pair of beam-ends inboard stand of a pair of cantilever beam-ends top surface, the tilt up sets up, the welding is at a pair of sloping on the medial surface top of a pair of beam-ends inboard stand, vertical welding is at a pair of sloping fore-set on a pair of sloping top, prop between the lower surface middle part of a pair of sloping and the top surface of building outer wall and be equipped with the short column, the lower surface of short column is connected with the building outer wall through burying the piece.
Further preferred technical solution: the antique tile pitched roof comprises ridge tiles, antique tiles and pitched roof self-tapping screws.
The archaizing tile is arranged on the top surface of the tile keel through a pitched roof self-tapping screw; the roof tiles are wrapped between the tops of a pair of sloping beam top posts.
Further preferred technical solution: the decorative plate comprises an aluminum veneer and a decorative plate self-tapping screw.
The aluminum veneer is integrally U-shaped in vertical section and comprises an upper horizontal limb, a vertical limb and a lower horizontal limb, and the length of the upper horizontal limb is shorter than that of the lower horizontal limb; the outer end of the upper horizontal limb is bent inwards in a Z-shaped vertical manner to form an upper connecting edge; the outer end of the lower horizontal limb is L-shaped and is bent outwards vertically to form a lower connecting edge.
Further preferred technical solution: the upper connecting edge is connected with the drainage gutter through a self-tapping screw of the decorative plate.
The lower connecting edge is connected with the cross bar through a self-tapping screw of the decorative plate.
Further preferred technical solution: the gutter drainage system comprises a drainage gutter and a drainage pipe.
The vertical section of the drainage gutter is U-shaped, and two ends of the U-shaped gutter are horizontally bent outwards; the bottom of the inner side surface of the U-shaped is provided with a square water outlet.
The inner port of the drain pipe is welded with the drain port of the drain gutter in a butt joint mode.
Further preferred technical solution: the water drain hole protection device comprises a longitudinal restraint rod connected between the middle parts of a pair of cantilever beams of the steel structure cantilever beam unit, a transverse restraint rod connected between the middle parts of a first transverse rod and a second transverse rod of the transverse rods, and a round steel pipe connected at the intersection of the longitudinal restraint rod and the transverse restraint rod; the longitudinal restraint rods and the transverse restraint rods are crossed vertically; the longitudinal restraint rods are positioned above the transverse restraint rods.
Further preferred technical scheme: the same sides of the two ends of the longitudinal restraint rod are connected to the top surface of the cantilever beam through angle steel and are fixedly connected in a penetrating mode through self-tapping screws of the protection device.
Further preferred technical solution: the same sides of the two ends of the transverse restraint rod are respectively connected to the top surfaces of the first cross rod and the second cross rod through angle steel and are fixedly connected in a penetrating mode through self-tapping screws of the protection device.
Further preferred technical solution: the round steel pipe is vertically arranged at one corner of the vertical cross of the longitudinal restraining rod and the transverse restraining rod; the upper part of the circular steel tube is connected with the longitudinal restraint rod through an omega-shaped steel tube hoop and is fixedly connected with the longitudinal restraint rod through a self-tapping screw of the protection device in a penetrating way; the lower part of the circular steel tube is connected with the transverse restraint rod through an omega-shaped steel tube hoop and is fixed through self-tapping screws of the protection device in a penetrating mode.
The construction method of the antique eave of the high-rise building steel structure comprises the following steps:
the method comprises the following steps: deepening design, deepening the length and the number of the steel structure cantilever beam units according to the building outer wall modeling.
Step two: according to the deepening design, embedding operation is carried out on the outer wall points of the related buildings when the outer walls of the buildings are constructed.
Step three: and welding the steel structure cantilever beam unit by utilizing the original construction external scaffold.
Step four: and connecting the steel structure cantilever beam unit to form the antique eave steel structure framework.
Step five: and installing a gutter drainage system.
Step six: and installing a water drainage hole protection device.
Step seven: and (3) dismantling the original construction external scaffold, installing a high-altitude operation hanging basket, and performing decorative plate installation and outer wall decoration engineering alternate construction.
Step eight: and (4) dismantling the high-altitude operation hanging basket and the water drainage hole protection device.
Step nine: and (5) mounting the archaized tile slope roof.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the method has the advantages of simple and convenient process, simple process, capability of omitting building methods such as a waterproof layer and a leveling layer, construction quality guarantee, low leakage risk and low later maintenance cost.
2, the original construction external scaffold can be used for construction, and the overhanging scaffold and the overhanging structure template support do not need to be erected again; the potential safety hazard brought by setting up the scaffold again can be avoided.
3, the construction speed is high, the measure cost is low, and a plurality of processes can be used for inserting construction; after the archaizing eave steel structure framework and the gutter drainage system are constructed, the original construction external scaffold can be dismantled, a high-altitude operation hanging basket is installed to insert the construction of the exterior wall decoration project, meanwhile, the construction of the roof project can be inserted, and the whole project period can be greatly shortened; the method shortens the service time of measures such as tower cranes, construction elevators, scaffolds and the like, and reduces the cost of the measures.
4 except that the steel structure skeleton of the archaizing eave needs on-site blanking and welding, other components are all prefabricated in factories, and the components are small in size, light in weight, convenient to prefabricate and process in batches, convenient to transport, flexible and convenient to apply and wide in application range.
And 5, the using amount of sand, stone and cement is reduced, the method of waterproof coiled materials is omitted, energy is saved, emission is reduced, the environment is protected, and the effects of efficient construction, cost reduction and efficiency improvement are realized.
Drawings
FIG. 1 is a component axis measuring view of an archaized eave of a high-rise building steel structure.
FIG. 2 is an axial view of the steel structure cantilever beam unit of the present invention.
FIG. 3 is an axial view of the archaized tile pitched roof.
Fig. 4 is an axial view of the decorative panel of the present invention.
FIG. 5 is an enlarged view of portion A of FIG. 4 according to the present invention.
FIG. 6 is an enlarged view of portion B of FIG. 4 according to the present invention.
Fig. 7 is a schematic view of a gutter drainage system according to the present invention.
Fig. 8 is a schematic view of the inventive weep hole guard.
Fig. 9 is an enlarged view of portion C of fig. 8 according to the present invention.
Fig. 10 is an enlarged view of portion D of fig. 8 according to the present invention.
Reference numerals:
1-steel structure cantilever beam unit, 11-cantilever beam, 12-beam end outside upright post, 13-beam end inside upright post, 14-oblique beam, 15-oblique beam top post, 16-short post, 17-cross bar, 18-tile keel;
2-archaized tile sloping roof, 21-archaized tile, 22-sloping roof self-tapping screw and 23-ridge tile;
3-decorative board, 31-aluminum veneer, 32-decorative board self-tapping screw, 33-upper connecting edge, 34-lower connecting edge;
4, draining the gutter;
5, a water drainage pipe;
6-a water drainage hole protection device, 61-a transverse restraint rod, 62-a longitudinal restraint rod, 63-a round steel pipe, 64-an omega-shaped steel pipe hoop, 65-an angle steel and 66-a self-tapping screw of the protection device;
7, building external wall;
8, embedding.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 10, the invention relates to an antique eave of a high-rise building steel structure and a construction method thereof; the invention particularly relates to a high-rise building designed by adopting antique eave elements in the planning design of civilized ancient cities.
Referring to fig. 1, the steel structure antique eave of the high-rise building comprises an antique eave steel structure framework, an antique tile slope roof 2, a decorative plate 3, a gutter drainage system and a water drain hole protection device 6.
Archaize eave steel structure skeleton includes a plurality of steel construction cantilever beam units 1 around building outer wall 7 setting, through horizontal pole 17 and tile fossil fragments 18 welded connection between the adjacent steel construction cantilever beam unit 1.
Referring to fig. 2, the steel structure cantilever beam unit 1 includes a pair of cantilever beams 11 vertically connected to the side of the building outer wall 7 through a buried member 8, a pair of beam end outer side columns 12 and a pair of beam end inner side columns 13 welded to the top surfaces of the beam ends of the pair of cantilever beams 11 at intervals, a pair of oblique beams 14 obliquely arranged and welded to the top ends of the inner side surfaces of the pair of beam end inner side columns 13, a pair of oblique beam top columns 15 vertically welded to the top ends of the pair of oblique beams 14 upward, a short column 16 supported between the middle of the lower surfaces of the pair of oblique beams 14 and the top surface of the building outer wall 7, and the lower surface of the short column 16 is connected to the building outer wall 7 through the buried member 8.
The embedded parts 8 are embedded parts or rear embedded parts and comprise first embedded parts arranged on the side faces of the building outer wall 7 and second embedded parts arranged on the top face of the building outer wall 7.
The cantilever beam 11 is located on the lower layer of the steel structure cantilever beam unit 1, a pair of cantilever beams 11 are arranged in each steel structure cantilever beam unit 1, the pair of cantilever beams 11 are vertically connected to the side face of the building outer wall 7 through first embedded parts, the inner end heads of the pair of cantilever beams 11 are welded with the embedded parts 8, and the pair of cantilever beams 11 are horizontally arranged.
The beam end outer side upright post 12 and the beam end inner side upright post 13 are welded on the same cantilever beam 11, the beam end outer side upright post 12 is positioned on the inner side of the beam end inner side upright post 13, a drainage gutter groove is formed between the beam end outer side upright post 12 and the beam end inner side upright post 13, and the width of the drainage gutter groove is 250 mm.
And the inclined beam 14 is positioned on the upper layer of the steel structure cantilever beam unit 1, and the lower surface of the inclined beam 14 is connected with the building outer wall 7 through a second embedded part.
The cross bars 17 include a first cross bar welded between the outer ends of the pair of cantilever beams 11, a second cross bar welded between the inner ends of the pair of cantilever beams 11, a third cross bar welded between the tops of the pair of beam-end outer side columns 12, and a fourth cross bar welded between the tops of the pair of oblique beam top columns 15.
The tile keel 18, the tile keel 18 is set up along building outer wall 7 leads to long, and the vertical welding of tile keel 18 is between the top surface of a pair of sloping 14 to set up along the even interval of length direction of a pair of sloping 14, the interval sets up five, and the concrete radical that sets up of tile keel is according to the length determination of choosing outward of sloping 14.
The cantilever beam 11, the beam end outer side upright post 12, the beam end inner side upright post 13, the oblique beam 14, the oblique beam top post 15 and the short post 16 are all made of galvanized square tubes with the thickness of 100 multiplied by 5 mm; the length of the cantilever beam 11 is not more than 1500 mm; the heights of the beam end outer side upright post 12 and the beam end inner side upright post 13 are both 350 mm; the length and the gradient of the oblique beam 14 can be adjusted according to the design effect, but the horizontal projection length is not more than 2500mm, and the horizontal included angle is not more than 30 degrees; the height of the oblique beam top column 15 is 100 mm; the length of the short column 16 is determined according to the distance from the top of the building outer wall 7 to the oblique beam 14; the cross rod 17 and the tile keel 18 are both made of 40 multiplied by 5 galvanized square tubes, and the length is determined according to the distance between the steel structure cantilever beam units 1.
Referring to fig. 3, the archaized tile pitched roof 2 comprises ridge tiles 23, archaized tiles 21 and pitched roof self-tapping screws 22.
The archaized tile 21 is arranged on the top surface of the tile keel 18 through a self-tapping screw 22 of the sloping roof; the ridge tiles 23 are wrapped between the tops of a pair of sloping roof posts 15.
The antique tile 21 is made by cutting a synthetic resin antique tile with the thickness of 4 mm; the pitched roof self-tapping screw 22 is a 150mm long hexagonal flange surface self-drilling self-tapping screw; the ridge tile 23 is made of a synthetic resin ridge tile having a thickness of 4 mm.
Referring to fig. 4, 5 and 6, the decorative panel 3 includes an aluminum veneer 31 and a decorative panel tapping screw 32.
The decorative plate 3 is decorated on the bottom surface and the outer side surface of the steel structure cantilever beam unit 1 and the outer side top surface of the drainage gutter 4.
The aluminum veneer 31 has a U-shaped vertical section and comprises an upper horizontal limb, a vertical limb and a lower horizontal limb, and the length of the upper horizontal limb is shorter than that of the lower horizontal limb; the outer end of the upper horizontal limb is bent inwards vertically in a Z shape to form an upper connecting edge 33; the outer end of the lower horizontal limb is L-shaped and is bent perpendicularly outwards to form a lower connecting edge 34.
The upper connecting edge 33 is connected to the gutter 4 by a decorative panel tapping screw 32.
The lower connecting edge 34 is connected to the cross bar 17 by the trim self-tapping screws 32.
Treating gaps between the adjacent aluminum veneers 31 by weather-resistant glue; the aluminum veneer 31 is installed by adopting a hanging basket; the bottom of the aluminum veneer 31 can be sprayed with different colors according to the design effect.
A circular eave drainage hole is formed in the middle of the bottom surface of the aluminum single plate 31, the diameter of the eave drainage hole is 50mm, the eave drainage hole plays a role in draining accumulated water in the aluminum single plate, and meanwhile, the aluminum single plate 31 can play a role in penetrating through a hanging basket steel wire rope when being installed.
Each aluminum veneer 31 is 1000mm long and 2mm thick, and is arranged along the length direction of the building outer wall 7.
The self-tapping screw 32 of the decorative plate is a self-drilling self-tapping screw with a 80mm long hexagonal flange surface.
Referring to fig. 7, the gutter drainage system comprises a drainage gutter 4 and a drainage pipe 5.
The drainage gutter 4 is formed by one-time cold bending of a stainless steel plate with the thickness of 3mm, the vertical section of the drainage gutter is U-shaped, and two ends of the U-shaped gutter are horizontally bent outwards; the bottom of the inner side surface of the U-shaped is provided with a square water outlet.
The drainage gutter 4 is placed in a drainage gutter groove formed between the beam end outer side upright post 12 and the beam end inner side upright post 13 on the cantilever beam 11, and the drainage gutter 4 is welded with the drainage gutter groove.
The drainage gutter 4 is inclined inwards to form a slope when being installed; the adjacent drainage ditches 4 are connected by welding.
The water outlet is arranged on the inner side surface of the lowest point of the drainage gutter 4, and the specification of the water outlet is 100 multiplied by 100 mm.
The drain pipe 5 is made of 100 multiplied by 3mm stainless steel square pipes, penetrates through the outer wall 7 of the building and leads to the roof, and the drain pipe 5 is high outside and low inside to form a drainage slope.
The inner port of the drain pipe 5 is welded to the drain port of the drain gutter 4.
Referring to fig. 8, 9 and 10, the drainage hole protector 6 includes a longitudinal restraining bar 62 connected between the middles of a pair of cantilever beams 11 of the steel structure cantilever beam unit 1, a transverse restraining bar 61 connected between the middles of a first cross bar and a second cross bar of the cross bar 17, and a circular steel tube 63 connected at the intersection of the longitudinal restraining bar 62 and the transverse restraining bar 61; the longitudinal restraint rods 62 and the transverse restraint rods 61 are crossed vertically; the longitudinal restraint bar 62 is located above the lateral restraint bar 61.
The same side of the two ends of the longitudinal restraint bar 62 is connected to the top surface of the cantilever beam 11 through an angle steel 65 and is fixed through a tapping screw 66 of a protection device.
The same sides of the two ends of the transverse restraint rod 61 are respectively connected to the top surfaces of the first cross bar and the second cross bar through angle steel 65 and are fixedly connected in a penetrating way through self-tapping screws 66 of a protection device.
The round steel pipe 63 is vertically arranged at one corner of the vertical cross of the longitudinal restraint rod 62 and the transverse restraint rod 61; the upper part of the round steel pipe 63 is connected with the longitudinal restraint rod 62 through an omega-shaped steel pipe hoop 64 and is fixedly connected through a self-tapping screw 66 of a protection device in a penetrating way; the lower part of the round steel tube 63 is connected with the transverse restraint rod 61 through an omega-shaped steel tube hoop 64 and is fixedly connected through a tapping screw 66 of a protection device in a penetrating way.
The transverse restraining rod 61 and the longitudinal restraining rod 62 are both made of 40 × 5mm galvanized square pipes, the length of the longitudinal restraining rod 62 is determined according to the distance between the pair of cantilever beams 11 of the steel structure cantilever beam unit 1, and the length of the transverse restraining rod 61 is determined according to the distance between the first cross bar and the second cross bar.
The round steel pipe 63 penetrates through an eave drainage hole in the aluminum single plate 31, and the round steel pipe 63 exceeds the bottom surface of the aluminum single plate 63 by 20 mm; the round steel pipe 63 is made of a galvanized plastic-lined round steel pipe with the diameter of 32mm, and the length of the round steel pipe is 200 mm.
The omega-shaped steel pipe clamp 64 is made of a 4mm thick steel plate, and has an inner diameter of 32mm and a height of 40 mm.
The angle steel 65 is made of L40X 4mm angle steel with a length of 40 mm.
The protective device is a self-tapping screw 66 type 30mm long hexagonal flange surface self-drilling self-tapping screw.
The water drainage hole protection device 6 plays a role in restraining the swinging of the hanging basket steel wire rope penetrating through the eave water drainage hole on the aluminum veneer 31, and can protect the finished product quality of the decorative plate 3 from being influenced by the swinging of the hanging basket steel wire rope; the whole water escape hole protection device can be detached and can be used in a turnover way.
The embedded part 8 is an embedded part or a rear embedded part; the embedded parts 8 comprise first embedded parts embedded in the side surfaces of the building outer wall 7 and second embedded parts embedded in the top surface of the building outer wall 7; the first embedded part is welded with the cantilever beam 11; the second embedded part is welded to the stub 16.
The invention has the advantages of less working procedures, simple process, small construction difficulty, short construction period, low safety risk and low construction cost, and a plurality of working procedures can be simultaneously alternated for construction.
The archaized eave steel structure framework is an eave main body structure, plays a role in bearing the whole archaized eave, and is constructed by adopting an original construction scaffold; after the eave main body structure is constructed, a hanging basket can be installed to carry out building outer wall construction and decorative plate construction.
The method has the advantages of simple and convenient process, simple process, capability of omitting building methods such as a waterproof layer and a leveling layer, construction quality guarantee, low leakage risk and low later maintenance cost.
The construction can be carried out by utilizing the original construction external scaffold, and the overhanging scaffold and the overhanging structure template support do not need to be erected again; the potential safety hazard brought by setting up the scaffold again can be avoided.
The invention has the advantages of high construction speed, low measure cost and multiple processes of inserting construction; after the archaizing eave steel structure framework and the gutter drainage system are constructed, the original construction external scaffold can be dismantled, a high-altitude operation hanging basket is installed to insert the construction of the exterior wall decoration project, meanwhile, the construction of the roof project can be inserted, and the whole project period can be greatly shortened; the method shortens the service time of measures such as tower cranes, construction elevators, scaffolds and the like, and reduces the cost of the measures.
The invention has the advantages that the components are prefabricated in factories, the size of the components is small, the weight is light, the prefabricated batch processing and the transportation are convenient, the application is flexible and convenient, and the application range is wide except that the steel structure framework of the archaized eave needs to be subjected to on-site blanking and welding.
The invention reduces the using amount of sand, stone and cement, saves the method of waterproof coiled materials, saves energy, reduces emission, protects the environment, and realizes the effects of high-efficiency construction, cost reduction and efficiency improvement.
The invention relates to a construction method of an antique eave of a steel structure of a high-rise building, which comprises the following steps:
the method comprises the following steps: deepening the design, deepening the length and the number of the steel structure cantilever beam units of the eave according to the shape of the building outer wall 7.
According to the modeling of the building outer wall, the connection point position of the cantilever beam unit of the deepened steel tapping structure and the building outer wall is formed, the distance between the steel structure cantilever beam unit 1 is not over 2000mm, the overhanging length of the cantilever beam 11 is not more than 1500mm, the horizontal projection length of the oblique beam 14 is not more than 2500mm, and the horizontal included angle is not more than 30 degrees.
And preparing materials according to the deepening result.
Step two: according to deepening the design, carry out the pre-buried operation of embedding 8 in relevant outer wall point position when building outer wall construction, concrete embedding is for burying the board.
When the building outer wall is constructed, embedding embedded plates for welding the steel structure cantilever beam units at corresponding positions of the building outer wall according to deepening results, wherein the embedded plates are Q235B steel plates with the thickness of 15mm and the size of 200mm multiplied by 200 mm.
And manufacturing a U-shaped anchor hook by using reinforcement excess materials on a construction site, welding the U-shaped anchor hook on the back of the buried plate, and adopting double-sided lap joint full welding with the lap joint length of 60 mm.
The embedded plates are firmly fixed, and the embedded plates are ensured not to shift when concrete of the building outer wall is poured by adopting fixing measures; whether the position of the embedded plate is deviated or not is checked one by one after the embedding is finished, the checking is error-free, and concrete pouring of the outer wall of the building can be carried out after the reinforcing measures are in place.
Step three: and (3) welding the steel structure cantilever beam unit by utilizing the original construction external scaffold.
When steel construction cantilever beam unit welding, operating personnel operates in the building outside, need be with the help of original construction scaffold, and operating personnel should make safety protection measure when scaffold operation outside, guarantees operation safety.
The protection height of the outer scaffold is 200mm below the bottom of the eave, so that the operation safety of operators is guaranteed.
Measuring the bottom elevation and the center line of the cantilever beam 11 by using a level and a theodolite according to the eave elevation, and popping out the bottom elevation and the center line by using an ink fountain; and (5) constructing by taking the building vertical face as a construction section.
Firstly, welding steel structure cantilever beam units 1 at two ends of a vertical face: firstly, welding a beam end outer side upright post 12 and a beam end inner side upright post 13 on an overhanging beam 11; welding the welded component on a buried plate of the outer facade of the building outer wall; then welding the inclined beam 14 with the inner side upright post 13 at the beam end; and finally, blanking and welding the short column 16 according to the distance between the oblique beam 14 and the top of the outer wall of the building.
After welding, drawing through lines at the end parts of the cantilever beams 11 at the two ends, welding the middle steel structure cantilever beam unit 1 according to the steps by contrasting the through lines, and ensuring that the end parts of the steel structure cantilever beam unit 1 are parallel and level and the top parts are the same height.
Step four: and connecting the steel structure cantilever beam unit to form the antique eave steel structure framework.
After all the steel structure cantilever beam units 1 are welded, blanking and welding of the cross rods 17 and the tile keels 18 are carried out according to the actual distance between the steel structure cantilever beam units 1.
Step five: and installing a gutter drainage system.
According to the deepening result, a stainless steel drainage gutter is manufactured in a factory, the drainage gutter is divided into one section with the thickness not exceeding 3000mm, two adjacent sections of drainage gutters are welded into a closed gutter in a butt welding mode through stainless steel welding rods during installation, a plurality of sections of drainage areas are formed during installation of the drainage gutter, the length of each section of drainage area is not more than 10m, a square hole with the size of 100 multiplied by 100mm is formed in the bottom of the inner side face at the lowest point of each section of drainage area, a drainage pipe 5 is welded, and the drainage pipe 5 penetrates through the outer wall of a building and leads to the roof; the drain pipe 5 is located the one end height of drainage gutter, and the one end that is located the building outer wall is low, forms the drainage slope, guarantees that eave drainage is unobstructed.
And after welding, performing rust prevention treatment on all welding points of the antique eave steel structure framework and the gutter drainage system.
Step six: and installing a water drainage hole protection device.
Firstly, a vertical restraint rod 61 is installed, the horizontal projection outline of the vertical restraint rod 61 is internally tangent to an eave drainage hole by 5-10 mm, and a self-tapping screw 66 of a self-drilling protection device with an angle steel 65 and a 30mm long hexagonal flange surface is firmly fixed with a cross rod 17.
Then, a round steel pipe 63 is installed, the round steel pipe 63 penetrates through an eave drainage hole, and the bottom surface of the bottom aluminum-out single plate is exposed by 20 mm; the self-tapping screw 66 and the omega-shaped steel pipe hoop 64 are fixed on the side surface of the vertical restraint rod 61 by using a protection device, so that the round steel pipe 63 is ensured to be positioned in the middle of the aluminum single plate drainage hole.
Finally, installing a transverse restraint rod 62, enabling the transverse restraint rod 62 to be tightly attached to the round steel pipe 63, and ensuring that two ends of the transverse restraint rod 62 are located on the cantilever beam 11; the round steel pipe 63 and the transverse restraint rod 62 are firmly fixed by a self-tapping screw 66 of a protection device and an omega-shaped steel pipe hoop 64; the transverse restraint rod 62 is firmly fixed with the cantilever beam 11 by using angle steel 65 and a self-tapping screw 66 of a protection device.
Step seven: and (3) dismantling the original construction external scaffold, installing a high-altitude operation hanging basket, and performing decorative plate installation and outer wall decoration engineering alternate construction.
And D, after the steps I to VI are completed, the external scaffold can be detached, a high-altitude operation hanging basket is installed after the external scaffold is detached, and a hanging basket steel wire rope is vertically placed through the water drainage hole protection device 6.
The installation of the decorative panel 3 is then carried out using an aerial work basket.
The aluminum single plates 31 are connected with the gutter 4 and the cross bar 17 at the inner side of the bottom of the cantilever beam by self-drilling decorative plate self-tapping screws 32 with 80mm long hexagonal flange surfaces, and gaps among the aluminum single plates 31 are treated by weather-resistant glue.
When the aluminum single plate 31 is connected with the drainage gutter 4, an operator needs to stand on the steel structure framework of the antique eave to operate; when the aluminum single plate 31 is connected with the cross rod 17, an operator operates on the hanging basket suspension platform; the safety protection measures are required to be made by operators in the whole construction process, so that the operation safety is ensured.
Gaps among the aluminum veneer 31 units are 10mm, weather-resistant glue is applied to the gaps, and the glue is straight and attractive.
Step eight: and (4) dismantling the high-altitude operation hanging basket and the water drainage hole protection device.
After the decorative plate 3 is completely constructed, the construction of the decoration project of the building outer wall is completed, and the high-altitude operation hanging basket is not needed any more, the high-altitude operation hanging basket is dismantled, and the water drainage hole protection device 6 is dismantled.
Step nine: and (5) mounting the archaized tile slope roof.
The archaized tile slope roof 2 is continuously constructed along one direction during installation, and a tile peak is lapped between the archaized tiles 21 to ensure that the lapped part is watertight.
The archaized tile 21 is installed on the top surface of the tile keel 18 through a 150mm long hexagonal flange surface self-drilling slope roof self-tapping screw 22, and the intersection of each tile peak and the tile keel 18 is fixed through the slope roof self-tapping screw 22, so that firm installation of the archaized tile slope roof 2 is guaranteed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (9)
1. The construction method of the antique eave of the high-rise building steel structure is characterized in that the antique eave of the high-rise building steel structure comprises an antique eave steel structure framework arranged around a building outer wall (7), an antique tile slope roof (2) connected to the top of the antique eave steel structure framework, decorative plates (3) connected to the bottom and the outer side of the antique eave steel structure framework, a gutter drainage system connected in the antique eave steel structure framework and a water drainage hole protection device (6) installed in the antique eave steel structure framework;
the archaizing eave steel structure framework comprises a plurality of steel structure cantilever beam units (1), and adjacent steel structure cantilever beam units (1) are welded and connected with each other through cross rods (17) and tile keels (18);
the steel structure cantilever beam unit (1) comprises a pair of cantilever beams (11) vertically connected to the side face of a building outer wall (7) through embedded parts (8), a pair of beam end outer side upright columns (12) and a pair of beam end inner side upright columns (13) are welded to the beam end top faces of the pair of cantilever beams (11) at intervals, drainage gutter grooves are formed between the beam end outer side upright columns (12) and the beam end inner side upright columns (13) welded to the same cantilever beam (11), a pair of oblique beams (14) are obliquely arranged upwards and welded to the top ends of the inner side faces of the pair of beam end inner side upright columns (13), a pair of oblique beam top columns (15) are vertically and upwards welded to the top ends of the pair of oblique beams (14), short columns (16) are erected between the middle parts of the lower surfaces of the pair of oblique beams (14) and the top face of the building outer wall (7), and the lower surfaces of the short columns (16) are connected with the building outer wall (7) through the embedded parts (8);
the construction steps are as follows:
the method comprises the following steps: deepening design, namely deepening the length and the number of the steel structure cantilever beam units according to the modeling of the building outer wall;
step two: according to the deepening design, embedding work is carried out on the outer wall points of the related buildings during the construction of the outer walls of the buildings;
step three: welding a steel structure cantilever beam unit by utilizing an original construction external scaffold;
step four: connecting the steel structure cantilever beam units to form an antique eave steel structure framework;
step five: installing a gutter drainage system;
step six: installing a water drainage hole protection device;
step seven: dismantling the original external scaffold for construction, installing a high-altitude operation hanging basket, vertically placing a hanging basket steel wire rope through a water drain hole protection device (6), and carrying out decorative plate installation and external wall decoration engineering alternate construction;
step eight: dismantling the high-altitude operation hanging basket and the water drainage hole protection device;
step nine: and (5) mounting the archaized tile slope roof.
2. The construction method of the antique eave of the high-rise building steel structure according to claim 1, characterized in that: the antique tile sloping roof (2) comprises ridge tiles (23), antique tiles (21) and sloping roof self-tapping screws (22);
the antique tile (21) is arranged on the top surface of the tile keel (18) through a self-tapping screw (22) of the sloping roof; the ridge tile (23) is wrapped between the tops of the pair of sloping beam top columns (15).
3. The construction method of the antique eave of the high-rise building steel structure according to claim 1, characterized in that: the decorative plate (3) comprises an aluminum veneer (31) and a decorative plate tapping screw (32);
the aluminum veneer (31) is integrally U-shaped in vertical section and comprises an upper horizontal limb, a vertical limb and a lower horizontal limb, and the length of the upper horizontal limb is shorter than that of the lower horizontal limb; the outer end of the upper horizontal limb is bent inwards in a Z-shaped vertical manner to form an upper connecting edge (33); the outer end of the lower horizontal limb is L-shaped and is bent outwards vertically to form a lower connecting edge (34).
4. The construction method of the antique eave of the high-rise building steel structure according to claim 3, characterized in that: the upper connecting edge (33) is connected with the drainage gutter (4) through a self-tapping screw (32) of the decorative plate;
the lower connecting edge (34) is connected with the cross bar (17) through a self-tapping screw (32) of the decorative plate.
5. The construction method of the antique eave of the high-rise building steel structure according to claim 1, characterized in that: the gutter drainage system comprises a drainage gutter (4) and a drainage pipe (5);
the vertical section of the drainage gutter (4) is U-shaped, and two ends of the U-shaped gutter are horizontally bent outwards; the bottom of the inner side surface of the U-shaped is provided with a square water outlet;
the inner port of the drain pipe (5) is welded with the drain port of the drain gutter (4) in a butt joint mode.
6. The construction method of the antique eave of the high-rise building steel structure according to claim 1, characterized in that: the water drain hole protection device (6) comprises a longitudinal restraint rod (62) connected between the middles of a pair of cantilever beams (11) of the steel structure cantilever beam unit (1), a transverse restraint rod (61) connected between the middles of a first transverse rod and a second transverse rod of a transverse rod (17), and a round steel pipe (63) connected at the intersection of the longitudinal restraint rod (62) and the transverse restraint rod (61); the longitudinal restraint rods (62) and the transverse restraint rods (61) are vertically crossed; the longitudinal restraint rods (62) are positioned above the transverse restraint rods (61).
7. The construction method of the antique eave of the high-rise building steel structure according to claim 6, characterized in that: the same sides of the two ends of the longitudinal restraint rod (62) are connected to the top surface of the cantilever beam (11) through angle steel (65) and are fixedly connected through self-tapping screws (66) of a protection device in a penetrating mode.
8. The construction method of the antique eave of the high-rise building steel structure according to claim 6, characterized in that: the same sides of the two ends of the transverse restraint rod (61) are respectively connected to the top surfaces of the first cross rod and the second cross rod through angle steel (65) and are fixedly connected through self-tapping screws (66) of a protection device in a penetrating mode.
9. The construction method of the antique eave of the high-rise building steel structure according to claim 6, characterized in that: the round steel pipe (63) is vertically arranged at one corner of the vertical cross of the longitudinal restraint rod (62) and the transverse restraint rod (61); the upper part of the round steel pipe (63) is connected with the longitudinal restraint rod (62) through an omega-shaped steel pipe hoop (64) and is fixedly connected through a self-tapping screw (66) of a protection device in a penetrating way; the lower part of the round steel pipe (63) is connected with the transverse restraint rod (61) through an omega-shaped steel pipe hoop (64) and is fixedly connected through a self-tapping screw (66) of a protection device in a penetrating way.
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| JP3098917B2 (en) * | 1994-07-22 | 2000-10-16 | 松下電工株式会社 | Eaves building material and eaves structure |
| CN203066319U (en) * | 2013-03-30 | 2013-07-17 | 陕西建工集团第五建筑工程有限公司 | Antiquing aluminium tile construction structure of steel structural sloping roof |
| CN203640175U (en) * | 2013-12-04 | 2014-06-11 | 浙江正华装饰设计工程有限公司 | Eave decorating structure |
| CN205259485U (en) * | 2015-12-30 | 2016-05-25 | 卓达新材料科技集团威海股份有限公司 | Eaves mouth |
| CN106049766B (en) * | 2016-05-30 | 2018-06-29 | 中国建筑第八工程局有限公司 | The combination eaves system and its construction method of large span steel structure and sets of brackets on top of the columns timber structure |
| CN207260468U (en) * | 2017-08-03 | 2018-04-20 | 西北工业大学 | It is a kind of extendible multi-functional to cornice |
| CN209653354U (en) * | 2019-02-20 | 2019-11-19 | 中国建筑第八工程局有限公司 | Hanging basket wirerope radix saposhnikoviae puts support frame |
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