CN210562915U

CN210562915U - Factory building roof structure

Info

Publication number: CN210562915U
Application number: CN201920859437.9U
Authority: CN
Inventors: 陈康华; 陈兆雄; 黄丹; 尹谦钧; 陶林惠; 尹春明
Original assignee: China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
Current assignee: China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-05-19
Anticipated expiration: 2029-06-06

Abstract

The utility model provides a factory building room lid structure, including truss, horizontal tie rod, purlin and roof boarding, the truss with horizontal tie rod vertically and horizontally staggered connects and forms main body frame, the purlin is laid main body frame's top surface, the roof boarding is laid on the purlin. Compared with the prior art, the factory building roof structure can meet the requirement of large-span rigidity, has higher stability, and has less material consumption, low cost and light weight.

Description

Factory building roof structure

Technical Field

The utility model relates to a building structure technical field especially relates to a factory building room lid structure.

Background

In recent years, under the large background of the development of the domestic power industry, in order to respond to the national call, a large number of gas turbine power plants are pulled out as if they were bamboo shoots in the spring after rain, and meanwhile, with the application of large-capacity units and the development of processes, the span of the roof of the gas turbine main plant is also increasingly large, and the common span can reach about 50 meters.

However, the traditional gas turbine main plant roof structure mainly comprises a planar steel truss or a solid web steel beam, both of which are planar stress systems, and has weak out-of-plane rigidity and poor stability, so that a spatial integral support system can be formed only by relying on more out-of-plane supports to provide out-of-plane rigidity; moreover, the height of the section of the steel beam is greatly increased along with the continuous increase of the span of the steel beam, the deflection is difficult to control, the structural strength is not fully utilized, the material waste is caused, and the self weight of the roof structure is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a factory building roof structure, this factory building roof structure can satisfy the rigidity requirement of large-span, has higher stability to the material is few, with low costs, light in weight.

Based on this, the utility model provides a factory building room lid structure, including truss, horizontal tie rod, purlin and roof boarding, the truss with horizontal tie rod vertically and horizontally staggered connects and forms main body frame, the purlin is laid in main body frame's top surface, the roof boarding is laid on the purlin.

Preferably, the trusses comprise two side-span trusses and a plurality of mid-span trusses, the two side-span trusses are arranged in parallel and connected through the horizontal tie rods, the mid-span trusses are arranged between the two side-span trusses and connected with the horizontal tie rods, and the mid-span trusses are parallel to the side-span trusses.

Preferably, the side span truss is a trapezoidal truss.

Preferably, the midspan truss is an inverted triangular truss.

Preferably, the middle of the truss is high, and the two ends of the truss are low.

Preferably, the truss is a shuttle truss with a large middle cross-sectional area and small cross-sectional areas at two ends.

Preferably, the truss is a steel pipe truss.

Preferably, said purlins are parallel to said horizontal tie bars.

Preferably, the roof panel is a reinforced concrete panel.

Preferably, the edge of the main body frame is fixedly connected with the edge of the roof panel through a reinforced concrete ring beam.

Implement the embodiment of the utility model provides a, following beneficial effect has:

the utility model provides a factory building roof structure includes truss, horizontal tie rod, purlin and roof boarding, the truss with horizontal tie rod vertically and horizontally staggered connects and forms main body frame, the purlin is laid in main body frame's top surface, the roof boarding is laid on the purlin. Compared with the prior art, the factory building roof structure can meet the requirement of large-span rigidity, has higher stability, and has less material consumption, low cost and light weight.

Drawings

Fig. 1 is a schematic structural view of a factory building roof structure according to an embodiment of the present invention.

Description of reference numerals:

1. a truss; 11. a side span truss; 12. a midspan truss; 2. a horizontal tie bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, the embodiment of the utility model provides a factory building roof structure, including truss 1, horizontal tie rod 2, purlin and roof boarding, truss 1 and horizontal tie rod 2 vertically and horizontally intersect and connect and form main body frame, and purlin (not shown) is laid on main body frame's top surface and is on a parallel with horizontal tie rod 2, and roof boarding (not shown) is laid on the purlin.

Specifically, as shown in fig. 1, the truss 1 includes two side-span trusses 11 and several mid-span trusses 12, wherein the side-span trusses 11 are preferably trapezoidal trusses 1, and the mid-span trusses 12 are preferably inverted triangular trusses 1; the two side-span trusses 11 are arranged in parallel and connected through a horizontal tie bar 2, the mid-span truss 12 is arranged between the two side-span trusses 11 and connected with the horizontal tie bar 2, and the mid-span truss 12 is parallel to the side-span trusses 11.

Based on the structure, the triangular section of the mid-span truss 12 can form a self-stabilizing system, so that the torsional rigidity and stability of the roof structure are greatly improved, horizontal support can be effectively reduced, a large number of redundant longitudinal trusses and horizontal inclined struts are eliminated, the welding workload is reduced, and the attractiveness of a factory building is improved; moreover, the inverted triangular midspan truss 12 perfectly solves the problems of poor out-of-plane rigidity and poor stability of structures such as solid-web steel beams or planar trusses in the processes of processing, manufacturing, transporting, loading and unloading, installing and hoisting and the like, and has more advantages in construction period and cost; in addition, the span of purlins and the calculated length of the horizontal tie bars 2 can be effectively reduced by the inverted triangular midspan truss 12, so that the steel consumption of the purlins is reduced, the manufacturing cost of the whole roof structure is reduced, the weight of the whole roof structure is reduced, and the whole stress condition of the roof structure is optimized.

Furthermore, the middle of the truss 1 is high, and the two ends of the truss are low, so that a roof surface formed by the main body framework has a certain gradient, drainage is facilitated, and the problems of water seepage and water leakage of the roof surface can be solved. In the embodiment, the truss 1 is preferably a fusiform truss with a large middle cross-sectional area and small two end cross-sectional areas, so that the structure form of the fusiform truss 1 can be optimized, and the stress of the roof structure is more reasonable.

Furthermore, the truss 1 is preferably a steel pipe truss, and the strength of the truss 1 can be greatly improved due to the high utilization rate of the section of the steel pipe; and because the steel pipe dead weight is light, use the steel less, thus can also reduce the material waste, reduce cost, raise the economic benefits. In addition, the horizontal tie bars 2 and the purlins are also preferably made of steel.

Furthermore, the roof slab is preferably a profiled steel sheet bottom die cast-in-place reinforced concrete slab, which is beneficial to preventing water on the roof surface, thoroughly solves the problem of water seepage and water leakage on the roof surface, can improve the overall rigidity of the roof structure and saves a large amount of horizontal diagonal braces. Therefore, the utility model provides a factory building roof structure can use those coastal areas that typhoon frequently takes place and the more area of rainwater.

Furthermore, the edge of the main body frame is fixedly connected with the edge of the roof panel through a reinforced concrete ring beam (not shown), and the reinforced concrete ring beam can effectively connect the roof panel, the main body frame and the main plant frame to strengthen the overall rigidity of the roof structure.

To sum up, the utility model provides a factory building roof structure compares with prior art, and this factory building roof structure can satisfy the rigidity requirement of large-span, has higher stability to the material is few, with low costs, light in weight.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the principle of the present invention, and these modifications and variations are also considered as the protection scope of the present invention.

Claims

1. The utility model provides a factory building roof structure which characterized in that, includes truss, horizontal tie rod, purlin and roof boarding, the truss with horizontal tie rod vertically and horizontally interlocks and connects and form main body frame, the purlin is laid in main body frame's top surface, the roof boarding is laid on the purlin.

2. The factory building roof structure of claim 1, wherein said trusses comprise two side-span trusses and a plurality of mid-span trusses, said two side-span trusses being disposed parallel to each other and connected by said horizontal tie bar, said mid-span truss being disposed between and connected to said two side-span trusses, and said mid-span truss being parallel to said side-span trusses.

3. The factory building roof structure of claim 2, wherein said side span truss is a trapezoidal truss.

4. The plant roof structure of claim 2, wherein the mid-span truss is an inverted triangular truss.

5. The factory building roof structure of claim 1, wherein the truss is high in the middle and low at both ends.

6. The factory building roof structure of claim 5, wherein said truss is a shuttle truss having a large central cross-sectional area and a small end cross-sectional area.

7. The factory building roof structure of claim 1, wherein said truss is a steel pipe truss.

8. A plant roof structure according to claim 1, characterised in that said purlins are parallel to said horizontal tie bars.

9. A factory building roof structure according to claim 1, wherein the roof panels are reinforced concrete panels.

10. The factory building roof structure of claim 1, wherein the edges of the main body frame and the edges of the roof panels are fixedly connected by reinforced concrete ring beams.