CN115059236A - Large-span steel structure decorative beam of outer vertical surface of roof and construction method thereof - Google Patents
Large-span steel structure decorative beam of outer vertical surface of roof and construction method thereof Download PDFInfo
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- CN115059236A CN115059236A CN202210776141.7A CN202210776141A CN115059236A CN 115059236 A CN115059236 A CN 115059236A CN 202210776141 A CN202210776141 A CN 202210776141A CN 115059236 A CN115059236 A CN 115059236A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F19/00—Other details of constructional parts for finishing work on buildings
- E04F19/02—Borders; Finishing strips, e.g. beadings; Light coves
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0486—Truss like structures composed of separate truss elements
- E04C2003/0491—Truss like structures composed of separate truss elements the truss elements being located in one single surface or in several parallel surfaces
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
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Abstract
The invention provides a large-span steel structure decorative beam of a roof outer vertical surface and a construction method thereof, wherein the steel structure decorative beam comprises: the steel structure truss girder framework, the decoration structure keel frame and the decoration panel; the steel structure truss girder framework is connected to the structure outer wall, and the decorative structure keel framework is connected to the steel structure truss girder framework; the decorative panel is connected to the decorative structure keel frame; the steel structure truss beam framework is vertically connected to the structural outer wall of the stairwell of the two units through embedded parts; the decoration panel is provided with the moulding of adopting the concatenation to sew up and making, sets up with the outer wall heat preservation decorative cover layer parallel and level on the structure outer wall. The invention adopts the steel structure decorative beam to replace the traditional reinforced concrete structure beam, the integrated construction of the structure and the external decorative surface is completed, the process is simple and convenient, the efficiency is high, the structure dead weight is light, the construction potential safety hazard is small, the construction speed is high, a plurality of procedures can be carried out through inserting construction, the construction period is saved, the measure cost is low, the resource is saved, the green construction is realized, the energy is saved, and the environment is protected.
Description
Technical Field
The invention relates to the technical field of steel structure construction, in particular to a large-span steel structure decorative beam of a roof outer vertical surface and a construction method thereof.
Background
With the integration and continuous improvement of high-rise building design and urban space, the modeling of the roof facade has important marking and controlling functions on the urban regional space structure, particularly urban contour lines, and is a marking element reflecting the image and characteristics of the city.
At present, the design of the outer facade of the roof of a high-rise building is inclined to be held by the integral shape, when the top of the building body is treated as integral extension, the large-span space between the protruding units is generally designed into a reinforced concrete structure decorative beam, and the following difficulties exist in the construction process:
(1) the span between the protruding units of the high-rise building is large, the decorative beam is in a suspended shape with an independent outer vertical surface, the operation height is on the roof of the high-rise building, the high-rise building belongs to super-high altitude operation, the safety risk is very large, and the high-fall potential safety hazard is more;
(2) the reinforced concrete structure is subjected to large self gravity, complex modeling, difficult formwork support and various whole processes;
(3) the construction of the reinforced concrete structure generally adopts I-shaped steel cantilever formwork support, the construction measure investment is large, the formwork erection is difficult, the construction of the large-span reinforced concrete structure belongs to large-risk engineering, and the potential safety hazard is large;
(4) the large-span concrete structure needs to achieve 100% of designed strength and can be disassembled, the whole construction period is long, and the construction of subsequent procedures such as external wall heat-preservation coating, roofing and the like is correspondingly delayed;
(5) large-scale leasing mechanical equipment such as a tower crane and the like takes long time and is low in utilization rate, so that the project cost is increased;
(6) the reinforced concrete structure decorative beam is an independent suspended model between the outer walls, the span is large, the hanging basket construction outer vertical face cannot be installed, the integral model of the roof outer vertical face cannot be closed, if other overhanging measures or hanging measure construction is adopted, the integral measure cost is greatly increased, and the potential safety hazard of super-altitude construction is very large.
Disclosure of Invention
In view of the above, the invention aims to provide a construction method of a large-span steel structure decorative beam for an outer vertical surface of a roof of a high-rise building, wherein the steel structure decorative beam is adopted to replace a traditional concrete structure beam, the structure and an outer decorative surface are integrally constructed, and the requirements of the overall effect and the structural safety of the designed outer vertical surface are met.
The invention provides a large-span steel structure decorative beam of a roof facade, which is arranged between the structural outer walls of two adjacent units of a high-rise building, and comprises: the steel structure truss girder framework, the decoration structure keel frame and the decoration panel; the steel structure truss girder framework is connected to the structure outer wall, and the decorative structure keel frame is connected to the steel structure truss girder framework; the decorative panel is connected to the decorative structure keel frame;
the steel structure truss girder skeleton passes through the built-in fitting vertical connection on the structure outer wall of the stairwell of two units, the built-in fitting includes: the steel plate comprises an outer steel plate, an inner steel plate and round steel;
the decorative lines made by splicing and sewing are arranged on the decorative panel and are flush with the external wall heat-insulation decorative surface layer on the structural external wall, so that the overall decorative effect of the building external facade design is achieved;
the outer wall heat preservation decorative surface layer comprises an outer wall heat preservation layer and a real stone paint surface layer.
Further, the steel structure truss girder framework comprises an upper chord member, a lower chord member, a straight web member and an inclined web member, wherein the upper chord member and the lower chord member are arranged in parallel in the horizontal direction, the straight web member is vertically connected with the upper chord member and the lower chord member, the inclined web member is obliquely connected with the upper chord member and the lower chord member, and the inclined web member and the straight web member form a triangle;
the triangle is a structurally stable geometric shape;
furthermore, the upper chord member, the lower chord member, the straight web member and the inclined web member are connected into an integral truss girder in a welding mode.
Furthermore, the upper chord member and the lower chord member are respectively provided with a steel plate support rib plate, and the steel plate support rib plate is fixedly connected with the embedded part;
specifically, in order to ensure the firmness and the structural stability of the welding joint of the steel structure truss girder framework and the embedded part, steel plate support rib plates are additionally arranged on the upper chord member and the lower chord member respectively for reinforcement.
Further, the ornamental construction keel frame comprises: a plurality of transverse keels, a plurality of vertical keels and keel reinforcing ribs; the transverse keels are arranged at the upper part and the lower part, the vertical keels are arranged at the left part and the right part, the transverse keels and the vertical keels are manufactured into rectangular frames, and the rectangular frames are connected by the keel reinforcing ribs to ensure the integral stability of the keel frames;
preferably, the rectangular frames are connected with the keel reinforcing ribs through welding.
Further, the decorative panel comprises a plurality of aluminum single plates, a plurality of edge-sealed decorative plates and a plurality of decorative plate self-tapping screws; wherein, the aluminium veneer includes: a left aluminum veneer and a right aluminum veneer;
the vertical cross-section of aluminium veneer is C shape, including last horizontal limb, vertical limb and lower horizontal limb, the limit portion of each limb of last horizontal limb, vertical limb and lower horizontal limb all adopts the mode of the conventional angle sign indicating number of fix with rivet to connect, the mutual concatenation position of each limb of last horizontal limb, vertical limb and lower horizontal limb adopts the mode of the tight angle sign indicating number of fix with rivet to connect, the vertical middle part of aluminium veneer is provided with the strengthening rib, ensures the roughness and the firmness of aluminium veneer.
The size of the aluminum veneer is fixed on the decorative structure keel frame by decorative plate self-tapping screws according to the grid scheme of the decorative panel, and the aluminum veneer is firmly connected through the corner connectors.
Furthermore, the left aluminum single plate and the right aluminum single plate are spliced into a rectangular box body in the middle of the upper chord member and the lower chord member; the length of the upper horizontal limb is the same as that of the lower horizontal limb, and the height of the vertical limb is equal to that of the steel structure decorative beam;
preferably, the lengths of the upper horizontal limb and the lower horizontal limb of the left aluminum veneer are less than the lengths of the upper horizontal limb and the lower horizontal limb of the right aluminum veneer.
Furthermore, the edge-sealing decorative plate is fixed on the decorative structure keel frame by adopting decorative plate self-tapping screws and is firmly connected through an angle code;
preferably, the edge banding decorative plate is fixed on the decorative structure keel frame after the integral installation of the steel structure decorative beam is finished.
Furthermore, the steel structure decoration beam also comprises decoration lines, wherein the decoration lines comprise vertical lines and transverse lines, the vertical lines are formed by weather-resistant sealant sealed by the abutted seams of the decoration panel, and the transverse lines are formed by coating spraying;
preferably, the specific position of the decorative line is determined according to the exterior decoration facade effect graph.
The invention also provides a construction method of the roof facade large-span steel structure decorative beam, which is used for manufacturing the roof facade large-span steel structure decorative beam and comprises the following steps:
the method comprises the following steps: according to the design requirement of the facade decoration effect of the structural outer wall, the structural design is carried out on the structural structure and the component size of the large-span steel structure decoration beam, and the grid scheme of the decoration panel is determined;
step two: according to the structural design and the construction characteristics of a high-rise building, a steel structure decorative beam hoisting construction scheme is compiled, the steel structure decorative beam integral hoisting scheme is analyzed, and a steel structure decorative beam material stacking area, a field assembly area, a hoisting position and an approach transportation route are planned;
step three: constructing on the structural outer wall of the high-rise building roof, and pre-burying operation of the pre-buried part at the installation position node of the steel structure decorative beam;
step four: carrying out industrial shaping processing and manufacturing on each main component of the steel structure decorative beam, including a steel structure truss beam framework, a decorative structure keel frame and a decorative panel;
step five: after the main components of the steel structure decorative beam are accepted, the steel structure decorative beam is respectively stacked to a specified hoisting position according to the arrangement requirement of a general plane;
step six: assembling and splicing the large-span steel structure decorative beam on site;
step seven: integrally hoisting the long-span steel structure decorative beam;
step eight: and performing high-altitude welding connection and antirust and anticorrosive coating.
Step nine: and (5) carrying out edge sealing decorative plate installation.
Compared with the prior art, the invention has the beneficial effects that:
1. simple process and high efficiency.
The installation of steel construction decoration roof beam, only need bury the built-in fitting underground during the major structure construction, later stage integral hoisting, the outer veneer layer adopts aluminium veneer finished product to replace, and structural configuration and outer veneer integration construction are accomplished, and the technology is simple and convenient, and the efficiency of construction is high.
2. The quality is reliable in factory production and assembly construction.
The main components of the steel structure decorative beam are manufactured by industrial setting, standardized production and batch processing, so that various performance indexes of the product are effectively controlled and guaranteed, and the steel structure decorative beam is good in production quality, high in efficiency and high in precision. And (5) completing the components by adopting field assembly after entering the field.
3. The structure dead weight is light, and the construction potential safety hazard is little.
The steel construction is decorated the roof beam and is compared traditional concrete structure dead weight and be little a lot, only utilizes on-the-spot tower crane alright carry out hoist and mount work, and adopts the installation of integral hoisting once to accomplish, and construction potential safety hazard is little.
4. The construction speed is high, multiple processes can be used for inserting construction, and the construction period is saved;
during the construction of the main structure, the main components of the steel structure decorative beam are finished in a steel structure processing factory in advance, and the concrete strength of the nodes to be installed can be hoisted after meeting the design requirements. The construction progress and the main structure are constructed synchronously or in advance, the construction of other procedures is not influenced, the whole construction progress is accelerated, and the overall construction period of a project is saved.
5. The measure cost is low, and the resources are saved.
The construction measures of the steel structure decorative beam are not only hoisting safety measures, but also other measure cost is avoided, and the overall construction measure cost is low; the assembly construction is adopted on site, finished product assembly can be completed by only 2 workers, and the hoisting process can be completed by only 4-6 workers.
6. Green construction, energy conservation and environmental protection.
The large-span steel structure decorative beam with the outer vertical surface of the roof and the construction method thereof adopt an industrial production technology and a field assembly type construction mode, have high structure quality, low resource consumption, less environmental pollution and good economic benefit, and accord with the development concept of green construction and assembly construction in China.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic side view of a composite shaft of a large-span steel structure decorative beam on a roof outer vertical surface and a construction method thereof.
Fig. 2 is an axial view of the steel structure truss girder framework of the present invention.
FIG. 3 is an enlarged view of the rib plate of the steel plate bracket in FIG. 2 according to the present invention.
Fig. 4 is an axial view of the keel frame of the ornamental construction of the invention.
Fig. 5 is an axial view of the decorative panel of the present invention.
Fig. 6 is an enlarged view of the fixing node of the decoration panel of fig. 4 according to the present invention.
Fig. 7 is a schematic view of an embedment of the invention.
In the drawings, the reference numbers denote:
1. the structure outer wall, 2, steel structure truss beam skeleton, 3, decorative structure keel frame, 4, decoration panel, 5, built-in fitting, 6, moulding, 7, outer wall heat preservation decorative cover layer, 8, upper chord member, 9, lower chord member, 10, straight web member, 11, diagonal web member, 12, steel plate support gusset, 13, cross keel, 14, vertical keel, 15, keel reinforcing rib, 16, left aluminum veneer, 17, right aluminum veneer, 18, banding decorative board, 19, conventional angle sign indicating number, 20, close angle sign indicating number, 21, rivet, 22, reinforcing rib, 23, decorative board, self-tapping screw, 24, outer steel plate, 25, inner steel plate, 26, round steel.
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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
To facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The embodiments of the present invention will be specifically explained with reference to the accompanying drawings:
the embodiment of the invention provides a large-span steel structure decorative beam of a roof outer facade, which is arranged between the structural outer walls of two adjacent units of a high-rise building, and is shown in figure 1, and comprises the following components: the steel structure truss girder framework 2, the decoration structure keel frame 3 and the decoration panel 4; the steel structure truss girder framework 2 is connected to the structural outer wall 1, and the decorative structure keel frame 3 is connected to the steel structure truss girder framework 2; the decorative panel 4 is connected to the decorative structure keel frame 3;
the steel structure truss girder framework 2 is vertically connected to the structural outer wall 1 of the staircase of the two units through the embedded part 5, as shown in fig. 7, the embedded part 5 includes: outer steel plate 24, inner steel plate 25, round steel 26;
the decorative strips 6 made by splicing and sewing are arranged on the decorative panel 4 and are flush with the external wall heat-insulation decorative surface layer 7 on the structural external wall 1, so that the overall decorative effect of the building external facade design is achieved;
the outer wall heat preservation decorative surface layer 7 comprises an outer wall heat preservation layer and a real stone paint surface layer.
Referring to fig. 2, the steel structure truss girder framework comprises an upper chord member 8, a lower chord member 9, a straight web member 10 and a diagonal web member 11, wherein the upper chord member 8 and the lower chord member 9 are horizontally arranged in parallel, the straight web member 10 is vertically connected with the upper chord member 8 and the lower chord member 9, the diagonal web member 11 is obliquely connected with the upper chord member 8 and the lower chord member 9, and the diagonal web member 11 and the straight web member 10 form a triangle;
the triangle is a structurally stable geometric shape;
the upper chord member 8, the lower chord member 9, the straight web member 10 and the inclined web member 11 are connected into an integral truss girder in a welding mode.
The upper chord member 8 and the lower chord member 9 are respectively provided with a steel plate support rib plate 12, and the steel plate support rib plate 12 is fixedly connected with the embedded part 5;
referring to fig. 3, in order to ensure the firmness and structural stability of the welded joint of the steel truss girder framework 2 and the embedded part 5, steel plate support rib plates 12 are respectively added on the upper chord member 8 and the lower chord member 9 for reinforcement.
Referring to fig. 4, the ornamental construction keel frame 3 includes: a plurality of cross keels 13, a plurality of vertical keels 14, keel reinforcing ribs 15; the transverse keels 13 are arranged at the upper part and the lower part, the vertical keels 14 are arranged at the left part and the right part, the transverse keels 13 and the vertical keels 14 are manufactured into rectangular frames, and the rectangular frames are connected by the keel reinforcing ribs 15, so that the overall stability of the keel frames is ensured;
preferably, the rectangular frames are connected with the keel reinforcing ribs 15 through welding.
Referring to fig. 5, the trim panel 4 comprises a plurality of aluminum veneers, a plurality of edge-sealed trim panels 18, and a plurality of trim panel self-tapping screws 23; wherein, the aluminium veneer includes: a left aluminum veneer 16 and a right aluminum veneer 17;
the vertical cross-section of aluminium veneer is C shape, including last horizontal limb, vertical limb and lower horizontal limb, see that figure 6 shows, the limit portion of going up horizontal limb, vertical limb and each limb of lower horizontal limb all adopts the mode of the conventional angle sign indicating number 19 of rivet 21 fixation to connect, go up horizontal limb, vertical limb and each limb of lower horizontal limb each other the concatenation position adopt the mode of the close angle sign indicating number 20 of rivet 21 fixation to connect, the vertical middle part of aluminium veneer is provided with strengthening rib 22, ensures the roughness and the firmness of aluminium veneer.
The size of the aluminum veneer is fixed on the decorative structure keel frame 3 by decorative plate self-tapping screws 23 according to the grid scheme of the decorative panel, and the aluminum veneer is firmly connected through corner connectors.
The left aluminum single plate 16 and the right aluminum single plate 17 are spliced into a rectangular box body in the middle of the upper chord member 8 and the lower chord member 9; the length of the upper horizontal limb is the same as that of the lower horizontal limb, and the height of the vertical limb is equal to that of the steel structure decorative beam;
preferably, the lengths of the upper horizontal limb and the lower horizontal limb of the left aluminum veneer 16 are smaller than the lengths of the upper horizontal limb and the lower horizontal limb of the right aluminum veneer 17.
The edge-sealing decorative plate 18 is fixed on the decorative structure keel frame 3 by adopting decorative plate self-tapping screws 23 and is firmly connected through an angle code;
preferably, the edge banding decorative plate 18 is fixed on the decorative structure keel frame 3 after the steel structure decorative beam is integrally installed.
The steel structure decorative beam also comprises decorative lines 6, wherein the decorative lines 6 comprise vertical lines and transverse lines, the vertical lines are formed by weather-resistant sealant sealed by splicing and sewing the decorative panel 4, and the transverse lines are formed by coating;
preferably, the specific position of the decorative strip 6 is determined according to an external decorative elevation effect map.
The invention also provides a construction method of the roof facade large-span steel structure decorative beam, which is used for manufacturing the roof facade large-span steel structure decorative beam and comprises the following steps:
the method comprises the following steps: according to the design requirement of the facade decoration effect of the structural outer wall, the structural design is carried out on the structural structure and the component size of the large-span steel structure decoration beam, and the grid scheme of the decoration panel is determined;
step two: according to the structural design and the construction characteristics of a high-rise building, a steel structure decorative beam hoisting construction scheme is compiled, the steel structure decorative beam integral hoisting scheme is analyzed, and a steel structure decorative beam material stacking area, a field assembly area, a hoisting position and an approach transportation route are planned;
step three: constructing on the outer wall of the structure of the roof of the high-rise building, and pre-burying operation of the pre-buried part on the node of the mounting position of the steel structure decorative beam;
step four: carrying out industrial shaping processing and manufacturing on each main component of the steel structure decorative beam, including a steel structure truss beam framework, a decorative structure keel frame and a decorative panel;
step five: after the main components of the steel structure decorative beam are accepted, the steel structure decorative beam is respectively stacked to a specified hoisting position according to the arrangement requirement of a general plane;
step six: assembling and splicing the large-span steel structure decorative beam on site;
step seven: integrally hoisting the long-span steel structure decorative beam;
step eight: and performing high-altitude welding connection and antirust and anticorrosive coating.
Step nine: and (5) carrying out edge sealing decorative plate installation.
The embodiment of the invention has the beneficial effects that:
1. simple process and high efficiency.
The installation of steel construction decoration roof beam, only need bury the built-in fitting underground during the major structure construction, later stage integral hoisting, the outer veneer layer adopts aluminium veneer finished product to replace, and structural configuration and outer veneer integration construction are accomplished, and the technology is simple and convenient, and the efficiency of construction is high.
2. The quality is reliable in factory production and assembly construction.
The main components of the steel structure decorative beam are manufactured by industrial setting, standardized production and batch processing, so that various performance indexes of the product are effectively controlled and guaranteed, and the steel structure decorative beam is good in production quality, high in efficiency and high in precision. And (5) completing the components by adopting field assembly after entering the field.
3. The structure dead weight is light, and the construction potential safety hazard is little.
The steel construction is decorated the roof beam and is compared traditional concrete structure dead weight and be little a lot, only utilizes on-the-spot tower crane alright carry out hoist and mount work, and adopts the installation of integral hoisting once to accomplish, and construction potential safety hazard is little.
4. The construction speed is high, multiple processes can be used for inserting construction, and the construction period is saved;
during the construction of the main structure, the main components of the steel structure decorative beam are finished in a steel structure processing factory in advance, and the concrete strength of the nodes to be installed can be hoisted after meeting the design requirements. The construction progress and the main structure are constructed synchronously or in advance, the construction of other procedures is not influenced, the whole construction progress is accelerated, and the overall construction period of a project is saved.
5. The measure cost is low, and the resources are saved.
The construction measures of the steel structure decorative beam are not only hoisting safety measures, but also other measure cost is avoided, and the overall construction measure cost is low; the assembly construction is adopted on site, finished product assembly can be completed by only 2 workers, and the hoisting process can be completed by only 4-6 workers.
6. Green construction, energy conservation and environmental protection.
The large-span steel structure decorative beam with the outer vertical surface of the roof and the construction method thereof adopt an industrial production technology and a field assembly type construction mode, have high structure quality, low resource consumption, less environmental pollution and good economic benefit, and accord with the development concept of green construction and assembly construction in China.
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 (10)
1. The utility model provides a roof facade large-span steel construction decoration roof beam which characterized in that sets up between the structure outer wall of two adjacent units of high-rise building, includes: the steel structure truss girder framework, the decoration structure keel frame and the decoration panel; the steel structure truss girder framework is connected to the structure outer wall, and the decorative structure keel frame is connected to the steel structure truss girder framework; the decorative panel is connected to the decorative structure keel frame;
the steel structure truss girder framework is vertically connected to the structural outer wall of the staircase of the two units through the embedded parts;
the decorative panel is provided with a decorative line made by splicing and sewing, and the decorative line is flush with the external wall heat-insulation decorative surface layer on the structural external wall;
the outer wall heat preservation decorative surface layer comprises an outer wall heat preservation layer and a real stone paint surface layer.
2. The steel structural trim beam according to claim 1, wherein the steel structural truss beam skeleton comprises an upper chord member, a lower chord member, a straight web member and a diagonal web member, the upper chord member and the lower chord member are arranged in parallel in the horizontal direction, the straight web member is vertically connected with the upper chord member and the lower chord member, the diagonal web member is obliquely connected with the upper chord member and the lower chord member, and the diagonal web member and the straight web member form a triangle.
3. The steel structural trim beam of claim 2, wherein the upper chord member, the lower chord member, the straight web member and the diagonal web member are welded to form an integral truss beam.
4. The steel structure decorative beam according to claim 1, wherein the upper chord member and the lower chord member are respectively provided with a steel plate support rib plate, and the steel plate support rib plates are fixedly connected with the embedded part.
5. The steel structural trim beam of claim 1, wherein the trim configuration keel frame comprises: a plurality of transverse keels, a plurality of vertical keels and keel reinforcing ribs; the transverse keel is two from top to bottom, the vertical keel is two from left to right, the transverse keel and the vertical keel are made into rectangular frames, and each rectangular frame is connected by keel reinforcing ribs.
6. The steel structural trim beam of claim 1, wherein the trim panel comprises a plurality of aluminum veneers, a plurality of edge-sealed trim panels, a plurality of trim panel self-tapping screws; wherein, the aluminium veneer includes: a left aluminum veneer and a right aluminum veneer;
the vertical section of the aluminum single plate is C-shaped and comprises an upper horizontal limb, a vertical limb and a lower horizontal limb, the edges of the upper horizontal limb, the vertical limb and the lower horizontal limb are connected in a manner of fixing conventional corner connectors by rivets, the mutual splicing positions of the upper horizontal limb, the vertical limb and the lower horizontal limb are connected in a manner of fixing closely spliced corner connectors by rivets, and a reinforcing rib is arranged in the vertical middle of the aluminum single plate;
the size of the aluminum veneer is fixed on the decorative structure keel frame by decorative plate self-tapping screws according to the grid scheme of the decorative panel, and the aluminum veneer is firmly connected through angle codes.
7. The steel structure ornamental beam according to claim 6, wherein the left aluminum veneer and the right aluminum veneer are spliced into a rectangular box body in the middle of the upper chord member and the lower chord member; the length of the upper horizontal limb is the same as that of the lower horizontal limb, and the height of the vertical limb is equal to that of the steel structure decorative beam.
8. The steel structural trim beam of claim 6, wherein the edge-banding trim panels are fixed to the trim structure keel frame by using trim panel tapping screws and are firmly connected through corner connectors.
9. The steel structure decorative beam according to claim 1, further comprising decorative lines, wherein the decorative lines comprise vertical lines and transverse lines, the vertical lines are formed by weather-resistant sealant sealed by the abutted seams of the decorative panel, and the transverse lines are formed by spraying paint.
10. A construction method of a roof facade large-span steel structure decoration beam, which is used for manufacturing the roof facade large-span steel structure decoration beam as claimed in claims 1-9, and is characterized by comprising the following steps:
the method comprises the following steps: according to the design requirement of the facade decoration effect of the structural outer wall, the structural design is carried out on the structural structure and the component size of the large-span steel structure decoration beam, and the grid scheme of the decoration panel is determined;
step two: according to the structural design and the construction characteristics of a high-rise building, a steel structure decorative beam hoisting construction scheme is compiled, the steel structure decorative beam integral hoisting scheme is analyzed, and a steel structure decorative beam material stacking area, a field assembly area, a hoisting position and an approach transportation route are planned;
step three: constructing on the structural outer wall of the high-rise building roof, and pre-burying operation of the pre-buried part at the installation position node of the steel structure decorative beam;
step four: carrying out industrial shaping processing and manufacturing on each main component of the steel structure decorative beam, including a steel structure truss beam framework, a decorative structure keel frame and a decorative panel;
step five: after the main components of the steel structure decorative beam are accepted, the steel structure decorative beam is respectively stacked to a specified hoisting position according to the arrangement requirement of a general plane;
step six: assembling and splicing the large-span steel structure decorative beam on site;
step seven: integrally hoisting the long-span steel structure decorative beam;
step eight: performing high-altitude welding connection and rust-proof and corrosion-proof coating;
step nine: and (5) carrying out edge sealing decorative plate installation.
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| CN115059236B (en) | 2023-06-20 |
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