CN215105986U

CN215105986U - Weak connection open web truss steel corridor

Info

Publication number: CN215105986U
Application number: CN202120642421.XU
Authority: CN
Inventors: 陶倍林; 贾俊明; 董凯利; 王伟锋
Original assignee: China Northwest Architecture Design and Research Institute Co Ltd
Current assignee: China Northwest Architecture Design and Research Institute Co Ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-12-10
Anticipated expiration: 2031-03-30

Abstract

The utility model belongs to the technical field of building engineering, in particular to weakly connect open-web truss steel vestibule, it includes steel vestibule and slider, slider sets up the both ends at the steel vestibule to be connected boundary beam support and major structure for L shape frame roof beam through slider and major structure, the L-shaped roof beam is direct to link to each other with the frame post, and is more direct than traditional bracket structure biography power, and the atress is more reasonable, and what L-shaped roof beam cross-section can be done is littleer, can not influence the architectural function and use.

Description

Weak connection open web truss steel corridor

Technical Field

The utility model belongs to the technical field of building engineering, in particular to weakly connect open-web truss steel vestibule.

Background

The steel structure corridor is one of complex building structure systems, and generally refers to two or more buildings which are connected with each other by overhead connectors, namely the corridor, so as to meet the requirements of building shapes and use functions. To ensure the security and stability of vestibule, the steel construction vestibule is favored more. At present, the steel gallery and the main structure mainly adopt modes such as rigid connection, flexible connection, hinged connection, sliding connection and the like. For a corridor with a smaller span and a lower position, a sliding connection is the preferred choice. The common sliding connection is that the horizontal sliding of the corridor is realized under the action of earthquake or wind load by adopting a connection mode of arranging a sliding support on a bracket, but the bracket with a large size, the treatment of a vertical plane deformation joint and the arrangement of a truss web member of the rigid corridor not only influence the use of building functions, but also influence the vertical plane effect of the building and destroy the external visual aesthetic feeling of the building.

Disclosure of Invention

In order to overcome the not enough that current steel vestibule connection structure exists, the utility model provides a structure is light and handy, the outward appearance is pleasing to the eye and can effectively realize the horizontal gliding weak connection vierendeel truss steel vestibule of connecting bridge.

The utility model adopts the technical proposal that:

the utility model provides a weakly connected open web truss steel vestibule, its includes steel vestibule and slider, slider sets up the both ends at the steel vestibule to be connected with major structure through slider.

Further inject, slider includes boundary beam support, bedplate and stopper, the boundary beam support is as an organic whole with the major structure connection, and the bedplate passes through the anchor bar to be fixed on the boundary beam support, the stopper sets up outward flange position department on the bedplate, the tip setting of steel vestibule is on the bedplate to it is spacing through the stopper.

Further limit, the boundary beam support is connected with the main structure in an L shape and is poured into an integral structure through concrete.

Further limited, the limiter is a rectangular square steel pipe, and the height of the limiter is 40-60 mm.

Further limiting, the steel gallery comprises a gallery edge beam, a lower chord beam, an upper chord beam and a web member; the upper chord beam and the lower chord beam are arranged up and down and extend transversely, and the web members are connected between the lower chord beam and the upper chord beam to form an open-web truss; the corridor boundary beams are arranged at two ends of the hollow truss, and the lower ends of the corridor boundary beams extend to the lower part of the lower chord beam of the hollow truss to be in contact with the upper surface of the support plate.

Further limiting, the lower end face of the corridor boundary beam is a smooth face, and a polytetrafluoroethylene plate with the thickness of 5-10 mm is fully paved on the support plate.

Further, the lower end of the corridor boundary beam extends to about 100mm below the lower chord beam of the open web truss.

Further inject, the web members are arranged between the lower chord beam and the upper chord beam in parallel, the adjacent distance is 1.5-2 m, and the adjustment can be carried out according to the distance between the keels of the curtain wall.

Further limit, the web members are rectangular steel pipes, and the short sides of the web members are arranged in the vertical plane direction of the steel gallery.

Further, the support plate is a plane plate or an arc plate, and the arc plate can realize a self-resetting function.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) the boundary beam support is connected with the main structure to form the L-shaped frame beam, the L-shaped beam is directly connected with the frame column, the force transmission is more direct than that of the traditional bracket structure, the stress is more reasonable, the cross section of the L-shaped beam can be smaller, and the use of the building function is not influenced.

2) The sliding device, the L-shaped beam and the [ -shaped deformation joint are hidden between the main structure frame columns, the shape of the vertical face of the building cannot be influenced, and the attractiveness of the rigid corridor is greatly improved.

3) The oblique web members of the steel truss are cancelled, the short sides of the vertical web members are arranged in the direction of the vertical face of the steel corridor, the vertical web members can be skillfully utilized as the keels of the glass curtain wall, on one hand, the size of structural members is reduced, the structure is lighter, on the other hand, the permeability of the vertical face of the corridor is ensured, the visual aesthetic feeling of the building is increased,

4) more ordinary steel truss vestibule structure, the utility model discloses a structure has higher economic nature, and the cost is lower relatively, and the construction is simple moreover, and the operation is convenient, and the maintenance cost is low.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a weakly connected open web truss steel gallery of the present invention;

FIG. 2 is an elevation view of a weakly connected open web truss steel gallery;

FIG. 3 is a schematic view of the construction and installation of the sliding device;

fig. 4 is a schematic view of the connection structure of the arc-shaped support plate.

The steel gallery comprises a sliding device 1, a steel gallery 2, an edge beam support 11, a support plate 12, a limiting stopper 13, a gallery edge beam 21, a lower chord beam 22, an upper chord beam 23 and a web member 24.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the application, i.e., the embodiments described are only a subset of, and not all embodiments of the application. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a device comprising a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such device.

The features and properties of the present application are described in further detail below with reference to examples.

Referring to fig. 1, the weakly-connected open web truss steel corridor of the present embodiment includes a steel corridor (2) and sliding devices (1), wherein the sliding devices (1) are disposed at two ends of the steel corridor (2) and connected to the main structure through the sliding devices (1).

As shown in fig. 2, the steel corridor (2) of the embodiment comprises corridor boundary beams (21), lower chord beams (22), upper chord beams (23) and web members (24); the upper chord beam (23) and the lower chord beam (22) are arranged up and down and extend transversely, and the longitudinal distance between the upper chord beam (23) and the lower chord beam (22) is 4000 mm. The web members (24) are arranged between the lower chord beam (22) and the upper chord beam (23) in parallel in the longitudinal direction, the adjacent distance is 1.5-2 m, preferably 1.8m, and the web members, the upper chord beam (23) and the lower chord beam (22) form a hollow truss of a corridor together; rectangular steel pipe is selected in web member (24) of this embodiment, and the just facade direction of steel vestibule is arranged in to the short avris of web member (24), and the long avris is along the width direction of fasting truss, and like this, web member (24) both can coordinate the internal force and the deformation of upper and lower chord member, increase the wholeness and the stability of vestibule, and web member 24 can also regard as glass curtain wall fossil fragments simultaneously to guarantee the permeability of the just facade of vestibule, increase the aesthetic property of vestibule. The corridor boundary beam (21) of the embodiment is of a rectangular structure, is arranged at two ends of the hollow truss, and is used for connecting the upper chord beam (23) and the lower chord beam (22) from top to bottom, so that the hollow truss is connected with the sliding device (1) through the corridor boundary beam (21).

Further, as shown in fig. 3, the sliding device (1) of the present embodiment includes a side sill support (11), a support plate (12), and a stopper (13), wherein the side sill support (11) is connected to the main structure in an L shape and is cast by concrete to form an integral structure, the support plate (12) is fixed to the side sill support (11) by an anchor bar, and the support plate (12) is made of a stainless steel plate with a thickness of 20 mm. The limiter (13) is a rectangular steel pipe with the height of 40-60 mm and is fixed at the outer edge of the upper surface of the support plate (12) in a welding mode. The end part of the steel gallery (2) is arranged on the support plate (12) and is limited by a limiter (13), namely, the lower end of the gallery boundary beam (21) extends to the position of about 100mm below the lower chord beam (22) of the open web truss, and the lower end of the gallery boundary beam (21) is in contact with the upper surface of the support plate (12) and is arranged on the upper surface of the support plate (12). The horizontal slippage of the reserved supports between the two sides of the corridor side beam (21) and the side beam supports (11) and between the two sides of the corridor side beam and the limiting device (13) is not less than 100 mm.

In order to further increase the sliding effect and reduce the friction force between the corridor boundary beam (21) and the support plate (12), the lower end surface of the corridor boundary beam (21) is made into a smooth surface, and a polytetrafluoroethylene plate with the thickness of 5mm is fully paved on the support plate (12).

Further, as shown in fig. 4, the support plate (12) may also be configured as an arc-shaped plate structure, the surface of the side beam support (11) correspondingly connected to the support plate and the lower end surface of the corridor side beam (21) are both processed into a matched arc-shaped structure, and the radius R of the arc-shaped plate and the horizontal slip amount Δ of the support plate satisfy:

mu is the dynamic friction coefficient between the support plate (12) and the corridor side beam (21).

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The weakly connected open web truss steel corridor is characterized by comprising a steel corridor (2) and sliding devices (1), wherein the sliding devices (1) are arranged at two ends of the steel corridor (2) and are connected with a main structure through the sliding devices (1).

2. A weakly connected open web truss steel corridor as claimed in claim 1 wherein the sliding device (1) includes an edge beam support (11), a support plate (12) and a stopper (13), the edge beam support (11) is connected with the main structure as a whole, the support plate (12) is fixed on the edge beam support (11) through anchor bars, the stopper (13) is arranged at the position of the upper outer edge of the support plate (12), the end of the steel corridor (2) is arranged on the support plate (12) and is limited by the stopper (13).

3. A weakly connected open web truss steel corridor as claimed in claim 2 wherein the said edge beam support (11) is connected with the main structure in L-shape and cast by concrete as a unitary structure.

4. The weakly-connected open web truss steel corridor as claimed in claim 2, wherein the limiter (13) is a rectangular square steel pipe with a height of 40-60 mm.

5. A weakly connected open web truss steel gallery according to any one of claims 2 to 4, characterized in that the steel gallery (2) comprises gallery edge beams (21), lower chord beams (22), upper chord beams (23) and web members (24); the upper chord beam (23) and the lower chord beam (22) are arranged up and down and extend transversely, and the web members (24) are connected between the lower chord beam (22) and the upper chord beam (23) to form an open-web truss; the corridor boundary beams (21) are arranged at two ends of the hollow truss, and the lower ends of the corridor boundary beams (21) extend to the lower part of the lower chord beam (22) of the hollow truss to be in contact with the upper surface of the support plate (12).

6. A weakly connected open web truss steel corridor as claimed in claim 5 wherein the lower end face of the corridor side beam (21) and the upper surface of the support plate (12) are smooth surfaces, and polytetrafluoroethylene plates with thickness of 5-10 mm are fully paved on the support plate (12).

7. A weakly-connected open web truss steel gallery in accordance with claim 5 wherein the lower end of the gallery edge beam (21) extends to about 100mm below the down chord (22) of the open web truss.

8. The weakly-connected open web truss steel gallery of claim 5, wherein the web members (24) are arranged in parallel between the lower chord (22) and the upper chord (23) at an adjacent interval of 1.5-2 m.

9. The weakly-connected open web truss steel corridor as claimed in claim 8, wherein said web members (24) are rectangular steel pipes, and the short sides of the web members (24) are placed in the direction of the normal standing plane of the steel corridor.

10. A weakly connected open web truss steel corridor as claimed in claim 5 wherein said support plates (12) are plane plates or cambered plates.