A canopy and curtain wall integrated building structure and a construction method thereof

Abstract

A canopy and curtain wall integrated building structure and its construction method, including the following steps, step one, construction of main structure A and main structure B. Step two, installation of cantilever steel truss and cantilever steel beam. Step three, connecting front end plate and connecting steel truss between adjacent cantilever steel beam and between cantilever steel beam and corresponding cantilever steel truss. Step four, construction of steel support in transition area on both sides of main structure A. Step five, installation of curtain wall keel on the slope of main structure B facing one side of main structure A. Step six, construction of curtain wall panel, top plate and bottom plate of canopy structure. Step seven, after completing correction and installation of curtain wall panel, top plate and bottom plate, seal the joint with glue, and the construction is completed. The application solves the technical problems of high precision requirement of traditional main concrete embedded plate pre-buried position, easy to appear the phenomenon of missing buried and traditional curtain wall modeling single cannot meet the space multi-curved surface modeling of the design of the project.

Description

Technical Field

[0001] This invention belongs to the field of building engineering technology, specifically a building structure integrating canopy and curtain wall and its construction method. Background Technology

[0002] The project, bordered by the Central Green Valley Environmental Protection Zone on its east, north, and west sides, covers a total area of ​​approximately 5.9 hectares. The planned building area is approximately 122,613 square meters, including 93,693 square meters above ground and 28,920 square meters underground. The planned building height is 24.30 meters. Its main functions include exhibitions, conferences, research, and offices. The project design is based on three dimensions: technological vision, ecological vision, and cultural vision, creating a new model for future-oriented office buildings. The building's form embodies uniqueness and intellectualism, with a five-petaled shape representing the ecological flower of the Green Valley and integrating the cultural flower into the headquarters office building design. The front center of the building houses an independent command and control center, with a steel canopy at its front. The sides and rear of the building feature continuous exhibition, conference, research, and office areas. To create a complete petal shape between the command and control center and the structures on either side, the designers connected the steel canopy to the structural curtain walls on both sides as a whole. Traditional curtain wall installation involves embedding plates within the main concrete structure to install the curtain wall frame. This requires high precision in the pre-embedded positions and is prone to omissions, necessitating the re-embedding of plates later. Furthermore, traditional curtain wall designs are limited and cannot meet the multi-curved surface design requirements of this project. Summary of the Invention

[0003] The purpose of this invention is to provide an integrated building structure for canopies and curtain walls and its construction method. It aims to solve the technical problems of high accuracy requirements for the pre-embedded position of embedded parts, easy omissions, and the inability of traditional curtain wall shapes to meet the multi-curved spatial design requirements of this project when installing curtain wall keels by pre-embedding plates in the main concrete.

[0004] To achieve the above objectives, the present invention adopts the following technical solution.

[0005] This integrated canopy and curtain wall building structure includes a main structure A, a main structure B, a canopy structure, and curtain wall structures on both sides of the canopy structure. The main structure B is located on both sides of the main structure A, with a gap between them. The structure is characterized by: a transition zone steel support frame in the area between the main structure A and the main structure B; rigid columns spaced laterally on the front side of the main structure A; the canopy structure is located on the front side of the main structure A, and both its top and bottom surfaces are upwardly convex curved surfaces; the thickness of the canopy structure gradually decreases from the root to the front end and from the middle to the sides; the canopy structure includes a steel frame, a top plate, and a bottom plate; the steel frame... The frame includes cantilevered steel trusses, cantilevered steel beams, and connecting steel trusses. There are two sets of cantilevered steel beams, respectively positioned on the stiffening columns on both sides of the main structure A. There is one set of cantilevered steel trusses, spaced laterally between the cantilevered steel beams on both sides, and each set connects to a corresponding stiffening column. The connecting steel trusses connect adjacent cantilevered steel beams and between cantilevered steel beams and their corresponding connecting steel trusses. Front end plates connect the front ends of adjacent cantilevered steel beams and between cantilevered steel beams and connecting steel trusses. The transition zone steel support includes steel-concrete composite columns and a steel frame positioned atop the steel-concrete composite columns. The elevation of the steel frame is the same as the elevation of the cantilevered steel beams. The structure is characterized by a high degree of uniformity, with expansion joints provided on the steel frame near the steel-concrete composite columns; the steel-concrete composite columns are supported at the bottom of the steel frame; the top slab is laid on top of the steel frame, with both sides extending outwards and laying on top of the steel frames on both sides; the bottom slab is laid at the bottom of the steel frame, with both sides extending outwards and laying on the bottom of the steel frames on both sides; the main structure B is a reinforced concrete frame structure, including floor slabs and columns; the edges of the middle and lower floor slabs of the main structure B near the main structure A extend beyond the edges of the upper floor slabs near the main structure A; diagonal strips are provided along the longitudinal length of the edges of the floor slabs near the main structure A; and adjacent floor slabs are... The inclined strips are spaced apart, and the outer surfaces of adjacent inclined strips are on the same inclined plane; inclined skylights are installed on the inclined strips; baffles are respectively set at the upper and lower edges of the inclined strips; an insulation layer is provided on the outer surface of the inclined strips, located between the upper and lower baffles; a waterproof membrane is laid on top of the insulation layer; the curtain wall structure is installed obliquely on the side of the main structure B facing the main structure A, and includes curtain wall keel and curtain wall panels; the curtain wall keel is laid on the insulation layer; the curtain wall panels are laid obliquely on the outer surface of the curtain wall keel, and the curtain wall panels are connected to the top plate as a whole; a set of fireproof sealing strips are set at intervals on the inner side of the curtain wall panels along the inclined direction of the curtain wall structure; each fireproof sealing strip is set longitudinally.

[0006] Preferably, an arc-shaped reinforced concrete beam is connected between adjacent stiffening columns; the curvature of the reinforced concrete beam is adapted to the curvature of the canopy structure at the corresponding location.

[0007] Preferably, the steel frame of the stiffening column has an I-shaped cross-section, and first studs are provided at intervals on the outer surface of the steel frame; horizontal reinforcing plates are provided at intervals along the vertical direction on both sides of the web of the stiffening column.

[0008] Preferably, the cantilevered steel truss includes an upper chord, a lower chord, and web members; there are two upper chords, the front ends of which are connected at a single point and connected to a front end plate; the ends of the two upper chords are located on both sides of the steel frame of the stiffening column, and the ends of the upper chords are connected to the stiffening column via a first connecting assembly; a horizontal connecting rod is connected between the two upper chords; there is one lower chord, located below the position between the two upper chords; the front end of the lower chord is bent upwards and connected to the front end plate, and the end of the lower chord is connected to the stiffening column via a second connecting assembly.

[0009] Preferably, the first connecting assembly includes a first adapter plate, a first insert plate, and a first stiffening plate; there are two first adapter plates, respectively disposed on the left and right sides of the stiffening column; each first adapter plate is connected to the steel frame of the stiffening column via a embedded rod; the first insert plate is horizontally connected to the side of the first adapter plate facing away from the stiffening column, and the first insert plate is inserted into the upper chord of the corresponding side; there are two sets of first stiffening plates, respectively disposed on the upper and lower sides of the first insert plate; each set of first stiffening plates is longitudinally spaced between the upper chord and the first insert plate; an arc-shaped groove for embedding the upper chord is provided at the top or bottom of the first stiffening plate at the connection position corresponding to the upper chord.

[0010] Preferably, the second connecting assembly includes a transition rod and a second transition plate; the vertical cross-section of the transition rod is cross-shaped and connected to the front side of the steel frame of the stiffening column; the second transition plate is connected to the front end of the transition rod; the lower chord is connected to the second transition plate, and a second stiffening plate is provided at circumferential intervals between the root of the lower chord and the second transition plate.

[0011] Preferably, second studs are spaced apart on the upper and lower parts of the outer surface of the steel frame in the steel-concrete composite column; outer ring plates are respectively provided on the steel frame of the steel-concrete composite column at positions corresponding to the top and bottom surfaces of the steel frame; the steel frame includes crossbeams and longitudinal beams; longitudinal beam connecting sections are respectively provided on the front and rear sides of the outer ring plate, and crossbeam connecting sections are respectively provided on the left and right sides of the outer ring plate; the longitudinal section of the crossbeam connecting section is adapted to the longitudinal section of the crossbeam, and is I-shaped; a support end is provided at the lower part of the end face of the crossbeam connecting section on one side of the steel-concrete composite column, and an overlapping end is provided at the upper part of the end face of the crossbeam connected to the crossbeam connecting section; the overlapping end... The joint overlaps with the support end, and the expansion joint is left between the overlapping end and the corresponding crossbeam connection section. The expansion joint is left between the support end and the corresponding crossbeam. A polytetrafluoroethylene (PTFE) plate is provided on the top surface of the support end. The web of the crossbeam on the other side of the steel-concrete column is connected to the web of the crossbeam connection section on the corresponding side by a connecting plate. The upper and lower flange plates of the crossbeam are welded to the upper and lower flange plates of the crossbeam connection section on the corresponding side. Two connecting plates are respectively set on the front and rear sides of the web of the crossbeam connection section on the other side of the steel-concrete column and the web of the corresponding crossbeam, and the connecting plates are bolted to the webs on the left and right sides.

[0012] Preferably, in a set of cantilevered steel trusses, the length of the cantilevered steel trusses gradually decreases from the middle to both sides, and top scissor bracing is provided between adjacent cantilevered steel trusses and between cantilevered steel trusses and cantilevered steel beams.

[0013] Preferably, corner bracing is provided between the crossbeam and the longitudinal beam, near the steel-concrete composite column.

[0014] A construction method for an integrated canopy and curtain wall building structure includes the following steps.

[0015] Step 1: Construct the main structure A and main structure B.

[0016] Step two: Install the cantilevered steel truss and cantilevered steel beams in the canopy structure. Connect the ends of the cantilevered steel trusses to the stiffening columns at the corresponding positions. At the same time, connect the cantilevered steel beams to the stiffening columns on both sides of the main structure A.

[0017] Step 3: Connect the front end plate and the connecting steel truss between adjacent cantilevered steel beams and between the cantilevered steel beams and the corresponding cantilevered steel trusses.

[0018] Step four involves the construction of steel supports in the transition areas on both sides of the main structure A, in preparation for the installation and connection with the inclined curtain wall structures on both sides.

[0019] Step 5, construction of the curtain wall keel: Install the curtain wall keel on the sloping side of the main structure B facing the main structure A.

[0020] Step six: After completing the curtain wall keel construction, begin the construction of the curtain wall panels and the top and bottom slabs of the canopy structure.

[0021] Step 7: After the curtain wall panels, top panel, and bottom panel are aligned and installed, seal the joints with adhesive. This completes the construction.

[0022] Compared with the prior art, the present invention has the following features and beneficial effects.

[0023] 1. The building structure of this invention adopts steel structure as the main system. Due to the high strength and diverse shapes of steel structure, it is suitable for the construction of various cantilever or large-span canopies. Compared with ordinary concrete structure, the process is simpler, the on-site construction is faster, and the shapes are more diverse.

[0024] 2. In this invention, the canopy structure on the front side of the main structure A and the curtain wall structure on the inclined sides of the main structure B on both sides are constructed as a whole, which can form a system, facilitate the construction of the curtain wall structure, reduce construction costs, reduce unnecessary labor, shorten the construction period of the overall project, and bring greater benefits to the project.

[0025] 3. The steel support structure in the transition zone of this invention ensures the overall aesthetics of the building and also guarantees the independence and coordination of the interior spaces of the main structure A and the main structure B. At the same time, the main structure A and the main structure B are connected by the steel support structure in the transition zone, and expansion joints are set on the steel frame near the steel-concrete composite columns. This structural design ensures the stress performance of the connection parts. The steel supports and the main structure on both sides of the expansion joint deform independently without affecting each other, thereby effectively preventing structural damage.

[0026] 4. In this invention, stiffening columns are arranged at lateral intervals on the front side of the main structure A, and the first connecting component and the second connecting component are welded to the steel frame in the stiffening column, thus avoiding the problem of easy error in the position of traditional embedded parts. Attached Figure Description

[0027] The present invention will now be described in further detail with reference to the accompanying drawings.

[0028] Figure 1 This is a schematic diagram of the plan structure of the integrated canopy and curtain wall building structure of the present invention.

[0029] Figure 2 This is a schematic diagram of the facade structure of the integrated canopy and curtain wall building structure of the present invention.

[0030] Figure 3 This is a schematic diagram of the steel frame structure in this invention.

[0031] Figure 4 This is a schematic diagram of the cantilevered steel truss structure in this invention.

[0032] Figure 5 This is a schematic diagram of the curtain wall structure being installed at an angle on the main structure B in this invention.

[0033] Figure 6 This is a schematic diagram of the vertical cross-section of the curtain wall structure in this invention.

[0034] Figure 7 This is a schematic diagram of the planar structure of the connection between the steel support and the steel frame in the transition zone of the present invention.

[0035] Figure 8 This is a three-dimensional structural diagram of the connection structure between the steel support and the steel frame in the transition zone of this invention.

[0036] Figure 9 This is a schematic elevation view of the connection structure between the steel-concrete composite column and the steel frame in this invention.

[0037] Figure 10 This is a schematic diagram of the connection structure between the upper chord and the stiffening column in this invention.

[0038] Figure 11 This is a schematic diagram of the connection structure between the lower chord and the stiffening column in this invention.

[0039] Figure 12 This is a structural schematic diagram of the steel-concrete composite column in this invention.

[0040] Figure 13 This is a schematic diagram of the stiffening column in this invention.

[0041] Figure 14 This is a schematic diagram of the structure in this invention, in which the top plate and bottom plate are laid on the steel frame.

[0042] Figure 15 This is a schematic diagram of the planar structure of the connection between the steel-concrete composite column and the steel frame in this invention.

[0043] Attached reference numerals: 1 – Main structure A, 2 – Main structure B, 2.1 – Floor slab, 2.2 – Column, 3 – Stiffened column, 4 – Transition zone steel support, 4.1 – Steel-concrete composite column, 4.2 – Steel frame, 4.2.1 – Horizontal beam, 4.2.2 – Longitudinal beam, 5 – Steel skeleton, 5.1 – Cantilevered steel truss, 5.1.1 – Top chord, 5.1.2 – Bottom chord, 5.1.3 – Web member, 5.1.4 – Horizontal connecting rod, 5.2 – Cantilevered steel beam, 5.3 – Connecting steel truss, 5.4 – Front end plate, 5.5 – Top scissor brace, 6 – Top plate, 7 – Bottom plate, 8 – Diagonal strip plate, 9 – Expansion joint, 10 – Sloping skylight, 11 – Baffle, 12 – Insulation layer, 13 – Curtain wall keel, 14 - Curtain wall panel, 15 - Fireproof sealing strip, 16 - Reinforced concrete beam, 17 - First stud, 18 - Reinforcing plate, 19 - First connecting component, 19.1 - First transition plate, 19.2 - First insert plate, 19.3 - First stiffening plate, 19.4 - Embedded rod, 20 - Second connecting component, 20.1 - Transition rod, 20.2 - Second transition plate, 20.3 - Second stiffening plate, 21 - Second stud, 22 - Outer ring plate, 22.1 - Longitudinal beam connecting section, 22.2 - Transverse beam connecting section, 23 - Support end, 24 - Overlap end, 25 - Connecting plate, 26 - Corner brace, 27 - Polytetrafluoroethylene board layer, 28 - Curved beam, 29 - Rainwater gutter, 30 - Waterproof membrane, 31 - Raised strip. Detailed Implementation

[0044] like Figure 1-15As shown, this integrated canopy and curtain wall building structure includes a main structure A1, a main structure B2, a canopy structure, and curtain wall structures on both sides of the canopy structure. The main structure B2 is located on both sides of the main structure A1, with a gap between them. The structure is characterized by: a transition zone steel support 4 in the area between the main structure A1 and the main structure B2; and stiffening columns 3 spaced laterally on the front side of the main structure A1. The canopy structure is located on the front side of the main structure A1, and both its top and bottom surfaces are upwardly convex curved surfaces. The thickness gradually decreases from the root to the front end and from the middle to both sides; the canopy structure includes a steel frame 5, a top plate 6, and a bottom plate 7; the steel frame 5 includes cantilevered steel trusses 5.1, cantilevered steel beams 5.2, and connecting steel trusses 5.3; there are two sets of cantilevered steel beams 5.2, which are respectively set on the stiffening columns 3 on both sides of the main structure A1; there is one set of cantilevered steel trusses 5.1, which are arranged laterally between the cantilevered steel beams 5.2 on both sides, and the set of cantilevered steel trusses 5.1 is connected to the stiffening columns 3 at the corresponding positions; the connecting steel trusses 5.3 are connected to the adjacent cantilevered steel beams 5. Between the cantilever steel beams 5.2 and the corresponding cantilever steel trusses 5.1; front end plates 5.4 are connected between the front ends of adjacent cantilever steel beams 5.2 and between cantilever steel beams 5.2 and cantilever steel trusses 5.1; the transition zone steel support 4 includes steel-concrete columns 4.1 and steel frames 4.2 set on the top of the steel-concrete columns 4.1; the elevation of the steel frame 4.2 is consistent with the elevation of the cantilever steel beams 5.2, and an expansion joint 9 is provided on the steel frame 4.2 near the steel-concrete columns 4.1; the steel-concrete columns 4.1 are supported at the bottom of the steel frame 4.2; the top plate 6 is laid on... The top of the steel frame 5, and the top plate 6 extends to both sides and is laid on the top of the two steel frames 4.2; the bottom plate 7 is laid at the bottom of the steel frame 5, and the bottom plate 7 extends to both sides and is laid on the bottom of the two steel frames 4.2; the main structure B2 is a reinforced concrete frame structure, including floor slabs 2.1 and columns 2.2; the edges of the middle and lower floor slabs of the main structure B2 near the main structure A1 extend beyond the edges of the upper floor slabs near the main structure A1; the edge of the floor slab 2.1 near the main structure A1 is provided with diagonal strips 8 along its longitudinal length; the two adjacent floor slabs 2.The inclined strips 8 on the 1 are spaced apart, and the outer surfaces of adjacent inclined strips 8 are on the same inclined plane; inclined skylights 10 are installed on the inclined strips 8; baffles 11 are respectively provided at the upper and lower edges of the inclined strips 8; steel connectors are pre-embedded in the top of the baffles 11; a heat insulation layer 12 is provided on the outer surface of the inclined strips 8, located between the upper and lower baffles 11; the top surface of the heat insulation layer 12 is flush with the top surface of the baffles 11; a waterproof membrane 30 is laid on the top of the heat insulation layer 12; the waterproof membrane 30 is laid in two layers on the outer surface of the heat insulation layer 12, each layer of waterproof membrane... The thickness of the 30 layer is 3mm; the curtain wall structure is installed obliquely on the side of the main structure B2 facing the main structure A1, and includes a curtain wall keel 13 and a curtain wall panel 14; the curtain wall keel 13 is laid on the insulation layer 12, and the curtain wall keel 13 is welded to its bottom steel connector; the curtain wall panel 14 is laid obliquely on the outer surface of the curtain wall keel 13, and the curtain wall panel 14 is connected to the top plate 6 as a whole; a set of fireproof sealing strips 15 are provided at intervals on the inner side of the curtain wall panel 14 along the oblique direction of the curtain wall structure; each fireproof sealing strip 15 is arranged longitudinally.

[0045] In this embodiment, an arc-shaped reinforced concrete beam 16 is connected between adjacent stiffening columns 3; the curvature of the reinforced concrete beam 16 is adapted to the curvature of the canopy structure at the corresponding location.

[0046] In this embodiment, the steel frame of the stiffening column 3 has an I-shaped cross section, and first studs 17 are provided at intervals on the outer surface of the steel frame; horizontal reinforcing plates 18 are provided at intervals along the vertical direction on both sides of the web of the stiffening column 3.

[0047] In this embodiment, the cantilevered steel truss 5.1 includes an upper chord 5.1.1, a lower chord 5.1.2, and a web member 5.1.3. There are two upper chords 5.1.1, whose front ends are connected at a single point, and the front end of the upper chord 5.1.1 is connected to the front end plate 5.4. The ends of the two upper chords 5.1.1 are located on both sides of the steel frame of the stiffening column 3, and the ends of the upper chords 5.1.1 are connected to the stiffening column 3 through a first connecting component 19. A horizontal connecting rod 5.1.4 is connected between the two upper chords 5.1.1. There is one lower chord 5.1.2, which is located below the position between the two upper chords 5.1.1. The front end of the lower chord 5.1.2 is bent upward and connected to the front end plate 5.4, and the end of the lower chord 5.1.2 is connected to the stiffening column 3 through a second connecting component 20.

[0048] In this embodiment, the first connecting assembly 19 includes a first adapter plate 19.1, a first insert plate 19.2, and a first stiffening plate 19.3. There are two first adapter plates 19.1, which are respectively disposed on the left and right sides of the stiffening column 3. Each first adapter plate 19.1 is connected to the steel frame of the stiffening column 3 through a embedded rod 19.4. The first insert plate 19.2 is horizontally connected to the side of the first adapter plate 19.1 facing away from the stiffening column 3, and the first insert plate 19.2 is inserted into the upper chord 5.1.1 on the corresponding side. There are two sets of first stiffening plates 19.3, which are respectively disposed on the upper and lower sides of the first insert plate 19.2. Each set of first stiffening plates 19.3 is longitudinally spaced between the upper chord 5.1.1 and the first insert plate 19.2. An arc-shaped groove for embedding the upper chord 5.1.1 is provided at the top or bottom of the first stiffening plate 19.3 at the connection position corresponding to the upper chord 5.1.1.

[0049] In this embodiment, the second connecting component 20 includes a transition rod 20.1 and a second transition plate 20.2; the vertical cross-section of the transition rod 20.1 is cross-shaped and is connected to the front side of the steel frame of the stiffening column 3; the second transition plate 20.2 is connected to the front end of the transition rod 20.1; the lower chord 5.1.2 is connected to the second transition plate 20.2, and a second stiffening plate 20.3 is provided at circumferential intervals between the root of the lower chord 5.1.2 and the second transition plate 20.2.

[0050] In this embodiment, second studs 21 are spaced apart on the upper and lower parts of the outer surface of the steel frame in the steel-concrete column 4.1; outer ring plates 22 are respectively provided on the steel frame of the steel-concrete column 4.1 at positions corresponding to the top and bottom surfaces of the steel frame 4.2; the steel frame 4.2 includes a crossbeam 4.2.1 and a longitudinal beam 4.2.2; longitudinal beam connecting sections 22.1 are respectively provided on the front and rear sides of the outer ring plate 22, and crossbeam connecting sections 22.2 are respectively provided on the left and right sides of the outer ring plate 22; the longitudinal section of the crossbeam connecting section 22.2 is adapted to the longitudinal section of the crossbeam 4.2.1, and is I-shaped; a support end 23 is provided at the lower part of the end face of the crossbeam connecting section 22.2 on one side of the steel-concrete column 4.1, and an overlapping end 24 is provided at the upper part of the end face of the crossbeam 4.2.1 connected to the crossbeam connecting section 22.2. The overlapping end 24 overlaps with the supporting end 23, and the expansion joint 9 is left between the overlapping end 24 and the corresponding beam connection section 22.2, and the expansion joint 9 is left between the supporting end 23 and the corresponding beam 4.2.1; a polytetrafluoroethylene plate layer 27 is provided on the top surface of the supporting end 23; the web of the beam 4.2.1 on the other side of the steel-concrete column 4.1 is connected to the web of the beam connection section 22.2 on the corresponding side by a connecting plate 25, and the upper and lower flange plates of the beam 4.2.1 are correspondingly butt-welded to the upper and lower flange plates of the beam connection section 22.2 on the corresponding side; two connecting plates 25 are respectively set on the front and rear sides of the web of the beam connection section 22.2 on the other side of the steel-concrete column 4.1 and the web of the corresponding beam 4.2.1, and the connecting plates 25 are bolted to the webs on the left and right sides.

[0051] In this embodiment, the cross-sections of both the longitudinal beam connecting section 22.1 and the longitudinal beam 4.2.2 are I-shaped. The longitudinal beam connecting section 22.1 and the longitudinal beam 4.2.2 are connected by steel plates and bolts. The steel plates are respectively arranged on both sides of the web of the longitudinal beam 4.2.2, and one end of the steel plate is connected to the longitudinal beam connecting section 22.1 by bolts, and the other end of the steel plate is connected to the longitudinal beam 4.2.2 by bolts. The upper and lower flange plates of the longitudinal beam 4.2.2 are welded to the upper and lower flange plates of the longitudinal beam connecting section 22.1 respectively.

[0052] In this embodiment, an annular stiffening plate is provided between the upper and lower outer ring plates 22; vertical stiffening plates are provided at intervals along the circumference between the annular stiffening plate and the upper and lower outer ring plates 22 on both sides; the longitudinal cross-sections of the overlapping end 24 and the supporting end 23 are both I-shaped, and a horizontal stiffening plate is provided in the middle of the crossbeam connecting section 22.2 where the supporting end 23 is provided, at the position corresponding to the upper flange of the supporting end 23.

[0053] In this embodiment, in a group of cantilever steel trusses 5.1, the length of the cantilever steel trusses 5.1 gradually decreases from the middle to both sides, and top scissor bracing 5.5 is provided between adjacent cantilever steel trusses 5.1 and between cantilever steel trusses 5.1 and cantilever steel beams 5.2.

[0054] In this embodiment, a corner brace 26 is provided between the crossbeam 4.2.1 and the longitudinal beam 4.2.2, near the steel-concrete column 4.1.

[0055] In this embodiment, the width of the expansion joint 9 is 200mm; the expansion joint 9 is set along the entire length of the steel frame 4.2.

[0056] In this embodiment, both the main structure A1 and the main structure B2 are reinforced concrete structures.

[0057] In this embodiment, there are ten stiffening columns 3 and six cantilever steel trusses 5.1. The two middle cantilever steel trusses 5.1 have a root height of 2.4m, the two end cantilever steel trusses 5.1 have a root height of 1m, and the cantilever steel truss 5.1 located between the end and middle cantilever steel trusses 5.1 has a root height of 1.9m. The cantilever steel beams 5.2 have a cross-sectional height of 0.7m. The distance between two adjacent stiffening columns 3 is 8.4m. There are four cantilever steel beams 5.2, two on each side; the two cantilever steel beams 5.2 on each side are connected to the two edge stiffening columns 3 respectively. In this embodiment, the outer edge of the vertical projection of the canopy structure is a curved edge with a raised center and recessed sides. The two cantilevered steel trusses 5.1 at the very center have a cantilever length of 9.45m, the two cantilevered steel trusses 5.1 at the very end have a cantilever length of 6m, the cantilevered steel truss 5.1 located between the very end and the very center has a cantilever length of 8.05m, and the cantilevered steel beams 5.2 on both sides have a cantilever length of 5m to 6m.

[0058] In this embodiment, structural columns are arranged longitudinally at intervals on the left and right sides of the main structure A1; an arc-shaped beam 28 is arranged between the outermost stiffened column 3 and the structural columns; the top surface elevation of the arc-shaped beam 28 is adapted to the top surface elevation of the steel frame 4.2; the side of the steel frame 4.2 closest to the main structure A1 is connected to the arc-shaped beam 28, the outermost cantilevered steel beam 5.2, and the outermost stiffened column 3 respectively.

[0059] In this embodiment, the curtain wall panel 14 and the top plate 6 are both made of fluorocarbon-coated aluminum plate units connected by bolts; the bottom plate 7 is made of perforated aluminum plate units connected by bolts; a horizontal rainwater trough 29 is provided on the top plate 6 near the root of the canopy structure; and a 3% slope is provided on the top plate from the end to the root.

[0060] In this embodiment, the stiffening column 3 is embedded in the floor slab of the main structure A1 at the position corresponding to the floor slab, and the front side of the stiffening column 3 is flush with the front side of the floor slab; in this building, the wall below the canopy structure is a glass curtain wall, and the wall above the canopy structure is also a glass curtain wall, and the canopy structure is set in correspondence with the second floor slab of the main structure A1.

[0061] In this embodiment, a protruding strip 31 is provided on the inclined strip 3 along its longitudinal length; the protruding strip 31 is perpendicular to the curtain wall panel 14 at the corresponding position and penetrates through the inclined strip 3; the bottom of the protruding strip 31 is integrally formed with the floor slab 2.1, and the top surface of the protruding strip 31 extends beyond the top surface of the inclined strip 3; the inclined strip 3 is a GRC board, and the insulation layer 12 is a 150mm thick water-repellent insulating rock wool board.

[0062] In this embodiment, the curtain wall keel 13 is a rectangular grid structure made of steel profiles. There is a gap between the convex strip 31 and the curtain wall panel 14. The fireproof sealing strip 15 is set in the rectangular grid of the curtain wall keel 13 and fills the gap between the convex strip 31 and the curtain wall panel 14.

[0063] The construction method for this integrated canopy and curtain wall building structure includes the following steps.

[0064] Step 1: Construct the main structure A1 and the main structure B2.

[0065] Step 2: Install the cantilevered steel truss 5.1 and cantilevered steel beam 5.2 in the canopy structure. Connect the end of the cantilevered steel truss 5.1 to the stiffening column 3 at the corresponding position. At the same time, fix and weld the cantilevered steel beam 5.2 to the stiffening column 3 on both sides of the main structure A1 with the pre-embedded connection components of the main column.

[0066] Step 3: Connect the front end plate 5.4 and the connecting steel truss 5.3 between adjacent cantilevered steel beams 5.2 and between cantilevered steel beams 5.2 and the corresponding cantilevered steel truss 5.1.

[0067] Step four involves the construction of steel supports 4 in the transition areas on both sides of the main structure A1, in preparation for the installation and connection with the inclined curtain wall structures on both sides.

[0068] Step 5, construction of curtain wall keel 13: Install curtain wall keel 13 on the sloping side of main structure B2 facing main structure A1. Curtain wall keel 13 is welded and fixed to the steel connectors on the protruding baffle 11. At the part where it connects with the steel support 4 in the transition zone, curtain wall keel 13 is constructed in an arc and slowly transitions, and finally connects to the steel frame 4.2 of the steel support 4 in the transition zone.

[0069] Step six: After completing the curtain wall keel construction, the construction of the curtain wall panel 14 and the top plate 6 and bottom plate 7 of the canopy structure begins. The curtain wall panel 14 is fixed to the curtain wall keel 13 with studs using its own corner brackets; the top plate 6 and bottom plate 7 are fixed to the steel frame 5 with studs using their own corner brackets; the part where the main structure B2 slopes and the transition area steel support 4 meet is installed using a custom-made curved aluminum plate.

[0070] Step 7: After the curtain wall panel 14, top panel 6 and bottom panel 7 are aligned and installed, seal the joints between adjacent panels with sealant. The construction is now complete.

[0071] The above embodiments are not exhaustive examples of specific implementation methods, and other embodiments are also possible. The purpose of the above embodiments is to illustrate the present invention, rather than to limit the scope of protection of the present invention. All applications derived from simple variations of the present invention fall within the scope of protection of the present invention.

Claims

1. A building structure integrating a canopy and a curtain wall, comprising a main structure A (1), a main structure B (2), a canopy structure, and curtain wall structures disposed on both sides of the canopy structure; wherein the main structure B (2) is disposed on both sides of the main structure A (1), and a gap is left between the main structure B (2) and the main structure A (1); characterized in that: A transition zone steel support (4) is provided in the area between the main structure A (1) and the main structure B (2); stiffening columns (3) are provided at transverse intervals on the front side of the main structure A (1); the canopy structure is located on the front side of the main structure A (1), and the top and bottom surfaces of the canopy structure are both upwardly convex curved surfaces; the thickness of the canopy structure gradually decreases from the root to the front end and from the middle to both sides; the canopy structure includes a steel frame (5), a top plate (6), and a bottom plate (7); the steel frame (5) includes a cantilevered steel truss (5.1), a cantilevered steel beam (5.2), and a connecting steel truss (5.3); the cantilevered steel truss (5.1), the cantilevered steel beam (5.2), and the connecting steel truss (5.3) are all part of the cantilevered steel truss structure. There are two sets of steel beams (5.2), which are respectively set on the stiffening columns (3) on both sides of the main structure A (1); there is one set of cantilever steel trusses (5.1), which are arranged laterally between the cantilever steel beams (5.2) on both sides, and the cantilever steel trusses (5.1) are respectively connected to the stiffening columns (3) at the corresponding positions; the connecting steel trusses (5.3) are connected between adjacent cantilever steel beams (5.2) and between cantilever steel beams (5.2) and the corresponding cantilever steel trusses (5.1); between the front ends of adjacent cantilever steel beams (5.2) and between cantilever steel beams (5.2) and A front end plate (5.4) is connected between the cantilevered steel trusses (5.1); the transition zone steel support (4) includes a steel-concrete column (4.1) and a steel frame (4.2) set on the top of the steel-concrete column (4.1); the elevation of the steel frame (4.2) is consistent with the elevation of the cantilevered steel beam (5.2), and an expansion joint (9) is provided on the steel frame (4.2) near the steel-concrete column (4.1); the steel-concrete column (4.1) is supported at the bottom of the steel frame (4.2); the top plate (6) is laid on the top of the steel frame (5), and the two sides of the top plate (6) extend to the sides respectively and are laid on the two sides. The top of the side steel frame (4.2); the bottom plate (7) is laid on the bottom of the steel frame (5), and the two sides of the bottom plate (7) extend to the sides and are laid on the bottom of the two side steel frames (4.2); the main structure B (2) is a reinforced concrete frame structure, including floor slabs (2.1) and columns (2.2); the edges of the middle and lower floor slabs of the main structure B (2) near the main structure A (1) extend beyond the edges of the upper floor slabs near the main structure A (1); the edge of the floor slab (2.1) near the main structure A (1) is provided with diagonal strips (8) along the longitudinal length; the two adjacent floor slabs (2.2) are arranged vertically.1) There is a gap between the inclined strips (8) on the wall, and the outer surfaces of adjacent inclined strips (8) are on the same inclined plane; a skylight (10) is installed on the inclined strip (8); baffles (11) are respectively provided at the upper and lower edges of the inclined strips (8); an insulation layer (12) is provided on the outer surface of the inclined strips (8) at the position between the upper and lower baffles (11); a waterproof membrane (30) is laid on the top of the insulation layer (12); the curtain wall structure is installed obliquely on the main structure B (2) Facing the main structure A (1), the structure includes a curtain wall keel (13) and a curtain wall panel (14); the curtain wall keel (13) is laid on the insulation layer (12); the curtain wall panel (14) is laid obliquely on the outer surface of the curtain wall keel (13), and the curtain wall panel (14) is connected to the top plate (6) as a whole; a set of fireproof sealing strips (15) are provided at intervals on the inner side of the curtain wall panel (14) along the oblique direction of the curtain wall structure; each fireproof sealing strip (15) is arranged longitudinally.

2. The integrated canopy and curtain wall building structure according to claim 1, characterized in that: An arc-shaped reinforced concrete beam (16) is connected between adjacent stiffening columns (3); the curvature of the reinforced concrete beam (16) is adapted to the curvature of the canopy structure at the corresponding location.

3. The integrated canopy and curtain wall building structure according to claim 1, characterized in that: The steel frame of the stiffening column (3) has an I-shaped cross section, and first studs (17) are provided at intervals on the outer surface of the steel frame; horizontal reinforcing plates (18) are provided at intervals along the vertical direction on both sides of the web of the stiffening column (3).

4. The integrated canopy and curtain wall building structure according to claim 1, characterized in that: The cantilevered steel truss (5.1) includes an upper chord (5.1.1), a lower chord (5.1.2), and web members (5.1.3); the upper chord ( 5.1.1) There are two upper chords (5.1.1), the front ends of which are connected at one point, and the front end of the upper chord (5.1.1) is connected to the front end plate (5.4); the ends of the two upper chords (5.1.1) are located on both sides of the steel frame of the stiffening column (3), and the upper chords ( The end of 5.1.1) is connected to the stiffening column (3) via the first connecting component (19); a horizontal connecting rod (5.1.4) is connected between the two upper chords (5.1.1); there is one lower chord (5.1.2), which is located below the position between the two upper chords (5.1.1); the front end of the lower chord (5.1.2) is bent upward and connected to the front end plate (5.4), and the end of the lower chord (5.1.2) is connected to the stiffening column (3) via the second connecting component (20).

5. The integrated canopy and curtain wall building structure according to claim 4, characterized in that: the first connecting component (19) includes a first transition plate (19.1), a first insert plate (19.2), and a first stiffening plate (19.3); there are two first transition plates (19.1), which are respectively arranged on the left and right sides of the stiffening column (3); each first transition plate (19.1) is connected to the steel frame of the stiffening column (3) through a buried rod (19.4); the first insert plate (19.2) is horizontal. The first stiffening plate (19.1) is connected to the side of the first adapter plate (19.1) away from the stiffening column (3), and the first insert plate (19.2) is inserted into the upper chord (5.1.1) on the corresponding side; there are two sets of the first stiffening plates (19.3), which are respectively set on the upper and lower sides of the first insert plate (19.2); each set of the first stiffening plates (19.3) is longitudinally spaced between the upper chord (5.1.1) and the first insert plate (19.2); at the top or bottom of the first stiffening plate (19.3), corresponding to the upper chord (5.1.1) An arc-shaped groove for embedding the upper chord (5.1.1) is provided at the connection position of 5.1.

1.

6. The integrated canopy and curtain wall building structure according to claim 4, characterized in that: The second connecting assembly (20) includes a transition rod (20.1) and a second transition plate (20.2); the vertical cross-section of the transition rod (20.1) is cross-shaped and is connected to the front side of the steel frame of the stiffening column (3); the second transition plate (20.2) is connected to the front end of the transition rod (20.1); the lower chord (5.1.2) is connected to the second transition plate (20.2), and a second stiffening plate (20.3) is provided at circumferential intervals between the root of the lower chord (5.1.2) and the second transition plate (20.2).

7. The integrated canopy and curtain wall building structure according to claim 1, characterized in that: The steel-concrete composite column (4.1) has second studs (21) spaced at the upper and lower parts of the outer surface of the steel frame; an outer ring plate (22) is provided on the steel frame of the steel-concrete composite column (4.1) at the positions corresponding to the top and bottom surfaces of the steel frame (4.2); the steel frame (4.2) includes a crossbeam (4.2.1) and a longitudinal beam (4.2.2); longitudinal beam connecting sections (22.1) are provided on the front and rear sides of the outer ring plate (22), and the outer ring... A crossbeam connecting section (22.2) is provided on the left and right sides of the plate (22); the longitudinal section of the crossbeam connecting section (22.2) is adapted to the longitudinal section of the crossbeam (4.2.1), and both are I-shaped; a support end (23) is provided at the lower part of the end face of the crossbeam connecting section (22.2) on one side of the steel-concrete column (4.1), and an overlapping end (24) is provided at the upper part of the end face of the crossbeam (4.2.1) connected to the crossbeam connecting section (22.2); the overlapping end (24) is provided at the upper part of the end face of the crossbeam (4.2.1) connected to the crossbeam connecting section (22.2); The joint (24) overlaps the support end (23), and the expansion joint (9) is left between the overlapping end (24) and the corresponding crossbeam connection section (22.2), and the expansion joint (9) is left between the support end (23) and the corresponding crossbeam (4.2.1); a polytetrafluoroethylene plate (27) is provided on the top surface of the support end (23); the web of the crossbeam (4.2.1) on the other side of the steel-concrete column (4.1) is connected to the crossbeam connection section (22.2) on the corresponding side. 2.2) The web is connected by connecting plates (25). The upper and lower flanges of the crossbeam (4.2.1) are welded to the upper and lower flanges of the corresponding crossbeam connecting section (22.2) on one side. The two connecting plates (25) are respectively set on the front and rear sides of the web of the crossbeam connecting section (22.2) on the other side of the steel-concrete column (4.1) and the web of the corresponding crossbeam (4.2.1), and the connecting plates (25) are bolted to the webs on the left and right sides.

8. The integrated canopy and curtain wall building structure according to claim 1, characterized in that: In a set of cantilever steel trusses (5.1), the length of the cantilever steel trusses (5.1) gradually decreases from the middle to both sides, and top scissor bracing (5.5) is provided between adjacent cantilever steel trusses (5.1) and between the cantilever steel trusses (5.1) and the cantilever steel beams (5.2).

9. The integrated canopy and curtain wall building structure according to claim 7, characterized in that: A corner brace (26) is provided between the crossbeam (4.2.1) and the longitudinal beam (4.2.2), near the steel-concrete column (4.1).

10. A construction method for an integrated canopy and curtain wall building structure as described in any one of claims 1-9, characterized in that, The steps include the following: Step 1: Construct the main structure A (1) and the main structure B (2). Step 2: Install the cantilever steel truss (5.1) and cantilever steel beam (5.2) in the canopy structure. Connect the end of the cantilever steel truss (5.1) to the stiffening column (3) at the corresponding position. At the same time, connect the cantilever steel beam (5.2) to the stiffening column (3) on both sides of the main structure A (1). Step 3: Connect the front end plate (5.4) and the connecting steel truss (5.3) between adjacent cantilevered steel beams (5.2) and between cantilevered steel beams (5.2) and the corresponding cantilevered steel truss (5.1). Step 4: Construction of the steel supports (4) in the transition area on both sides of the main structure A (1) to prepare for the installation and connection with the inclined curtain wall structure on both sides; Step 5, construction of curtain wall keel (13): Install curtain wall keel (13) on the inclined side of the main structure B (2) facing the main structure A (1). The curtain wall keel (13) is welded and fixed to the protruding baffle (11). At the part where it connects with the steel support (4) of the transition area, the curtain wall keel is constructed in an arc and slowly transitions, and finally connects with the steel frame (4.2) of the steel support (4) of the transition area. Step 6: After completing the curtain wall keel construction, begin the construction of the curtain wall panel (14) and the top slab (6) and bottom slab (7) of the canopy structure; Step 7: After the curtain wall panels (14), top panel (6) and bottom panel (7) are aligned and installed, seal the joints of the panels with adhesive. The construction is now complete.

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