CN219931714U - Frame structure of factory building - Google Patents

Abstract

The utility model provides a factory building framework structure, which is formed by taking a factory building reinforced concrete bent structure comprising a plurality of reinforced concrete columns and a plurality of inter-column supports as a basic framework; factory building frame construction includes factory building reinforced concrete bent structure and multilayer girder steel, forms a plurality of nodes between multilayer girder steel and the reinforced concrete column, and every node includes: the steel bracket comprises a reinforced concrete column, a steel beam, a steel wrapping, a plurality of steel corbels, a supporting plate and a plurality of mechanical anchor bolts, wherein the steel wrapping is used for wrapping at least one side surface of the reinforced concrete column and is fastened on the reinforced concrete column by the plurality of mechanical anchor bolts; the steel beam is hinged on the outer surface of the steel ladle; the steel corbels are fixed on the outer surface of the steel cladding at intervals, the top of the steel corbels are connected to the supporting plate, the supporting plate is supported at the bottom of the steel beam, the steel beam is H-shaped steel, and the inter-column support is of a double-groove steel structure. The factory building framework structure reforms the original reinforced concrete column bent system factory building, and solves the problems of high cost, high construction difficulty and long construction period of the traditional reformation.

Description

Frame structure of factory building

Technical Field

The utility model relates to the field of buildings, in particular to a frame structure of a factory building.

Background

In recent years, as the work of coal cleaning, nitrogen reduction, coal gas change and the like is continuously advanced, the traditional thermal boiler room has the problems of high resource and energy consumption, serious environmental pollution, lagged industrial technology and the like, and cannot meet various requirements of environmental protection and the like. The upgrading and utilization of old boiler rooms is an important way for industrial upgrading under new situation. However, the old factory buildings are built in the 80 s of the last century, and the current industry specifications are far higher than the current building requirements and standards. The traditional original structural system of the thermal boiler room is a reinforced concrete column bent system. The purpose of the retrofit is to retrofit it into a multi-layered framing system. The structural lateral stiffness of the original structural system cannot meet the current specification requirements due to higher building layer height and larger column spacing.

The traditional modification methods of the thermal boiler room mainly comprise two methods:

first, the beam and column cross sections are increased. However, the cross sections of beams and columns in the room are overlarge, the transformation cost is high, the room area after transformation is small, and the using function is affected;

and secondly, adding a shear wall. However, the number of longitudinal steel bars and horizontal steel bars in the shear wall is large, the shear wall needs to be reliably connected with the existing structure, the connection cost is high, and the construction difficulty is high.

Therefore, the two methods can both cost high reconstruction cost, and the construction difficulty is high and the construction period is long.

Disclosure of Invention

The embodiment of the utility model provides a factory building framework structure, which can reform an original reinforced concrete column bent system factory building and solve the problems of high reforming cost, high construction difficulty and long construction period in the reforming of an old factory building such as an old boiler room in the prior art.

The technical scheme provided by the utility model is as follows:

the embodiment of the utility model provides a factory building framework structure which is formed by taking a factory building reinforced concrete bent frame structure comprising a plurality of reinforced concrete columns and a plurality of inter-column supports as a basic framework; factory building frame construction includes factory building reinforced concrete bent structure and multilayer girder steel, multilayer girder steel with form a plurality of nodes between the reinforced concrete column, every the node includes: the reinforced concrete column, the steel beam, the steel covered, the steel brackets, the supporting plate and the mechanical anchor bolts, wherein the steel covered surrounds at least one side surface of the reinforced concrete column and is fastened on the reinforced concrete column by the mechanical anchor bolts; the steel beam is hinged to the outer surface of the steel-clad steel; the steel corbels are fixed on the outer surface of the steel ladle at intervals, the tops of the steel corbels are connected to the supporting plate, and the supporting plate is supported at the bottom of the steel girder; at least part of the adjacent two layers of steel beams are provided with viscous dampers, the steel beams are H-shaped steel, and the inter-column support is of a double-groove steel structure.

Further, in some of the nodes, when the steel beams are hinged to the periphery of the reinforced concrete column respectively, the steel wrapping surrounds the periphery surface of the reinforced concrete column, the plurality of mechanical anchors are fastened on the periphery surface of the reinforced concrete column, and the supporting plate is of a ring plate structure surrounding the periphery of the reinforced concrete column.

Further, the node further includes: the steel-clad steel plate comprises a connecting plate and a plurality of high-strength bolts, wherein the connecting plate is fixed on the outer surface of the steel-clad steel plate and hinged with the steel beam through the high-strength bolts.

Further, at least some adjacent two-layer girder steel includes upper girder steel and the lower floor girder steel that vertically set up adjacently, be connected with the orientation on the upper girder steel the convex upper cantilever beam of lower floor girder steel, be connected with the orientation on the lower floor girder steel the convex lower cantilever beam of upper girder steel, upper cantilever beam with vertically relatively just have the clearance between the lower cantilever beam, viscous damper is located in the clearance and both ends are connected to respectively upper cantilever beam with lower cantilever beam.

Further, an upper connecting lug protruding downwards is arranged on the upper cantilever beam, a lower connecting lug protruding upwards is arranged on the lower cantilever beam, the upper connecting lug and the lower connecting lug are arranged at a transverse interval, the viscous damper is transversely arranged between the upper connecting lug and the lower connecting lug, and two ends of the viscous damper are respectively connected to the upper connecting lug and the lower connecting lug.

Further, at least part of the viscous damper is distributed on different position points of different directions in a projection plane of the factory building framework structure in the direction vertical to the ground.

Further, the plant building frame structure further comprises at least two reinforced concrete beams and columns except for a plurality of reinforced concrete columns in the plant reinforced concrete bent frame structure, and the at least two reinforced concrete beams and columns are distributed at intervals in the length direction of the plant building frame structure in a projection plane perpendicular to the ground direction of the plant building frame structure.

Further, the inter-column support comprises a plurality of lacing bars which are sequentially arranged at intervals along the length direction of the inter-column support, and inclined web members are arranged between every two adjacent lacing bars.

The technical scheme provided by the embodiment of the utility model is as follows:

the factory building framework structure provided by the embodiment of the utility model is formed by reforming the original reinforced concrete column bent system factory building, and can solve the problems of high reforming cost, high construction difficulty and long construction period in reforming the old factory building such as the old boiler room in the prior art. Wherein, can change original factory building reinforced concrete bent structure into multilayer steelframe, form a plurality of nodes between multilayer steelframe and the reinforced concrete column, every node concrete structure is: the periphery of reinforced concrete column sets up the package steel to fasten the package steel on reinforced concrete column through a plurality of mechanical anchor bolts, node department girder steel is articulated with the outer package steel of reinforced concrete column and is connected, owing to be back anchor node, for guaranteeing connect convenient and reliable, node department is followed reinforced concrete column periphery interval sets up a plurality of steel corbels, and the layer board is connected on the top of a plurality of steel corbels, and the bottom of girder steel is carried by this layer board. At least part of the adjacent steel frames are provided with viscous dampers, the steel beams are H-shaped steel, and the inter-column support is of a double-groove steel structure. Therefore, the transformation of the old reinforced concrete column bent system factory building can be realized, the original high-rise structural system is transformed into a new frame structural system of the multi-layer steel frame, and the problems of high transformation cost, high construction difficulty and long construction period in the transformation of the old factory building such as the old boiler room in the prior art are solved; and because the steel beam is hinged with the reinforced concrete column, the viscous damper is arranged between two adjacent layers of steel beams, so that an additional damping ratio is provided by the viscous damper when the earthquake happens more, a damping effect can be achieved, and the viscous damper can be used as an auxiliary energy consumption device when the earthquake happens rarely. Therefore, by adopting the viscous damper, the interlayer internal force under the earthquake action of the structure can be greatly reduced, and the lateral force rigidity of the whole structure can be effectively improved.

Drawings

The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present utility model and, together with the description, further serve to explain the principles of the utility model and to enable a person skilled in the pertinent art to make and use the utility model.

Fig. 1 is a schematic view of a node structure in a frame structure of a factory building according to an embodiment of the present utility model.

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 4 is a cross-sectional view taken along B-B in FIG. 1;

fig. 5 is a schematic plan view of a second layer steel frame of a frame structure of a factory building according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a connection structure between a viscous damper and upper and lower steel beams in a frame structure of a factory building according to an embodiment of the present utility model;

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;

FIG. 8 is a schematic plan view of a second layer of steel frame in a frame structure of a factory building according to an embodiment of the present utility model;

fig. 9 is a schematic view of a partial structure of an inter-column support in a frame structure of a factory building according to an embodiment of the present utility model;

fig. 10 is a cross-sectional view taken along line C-C of fig. 9.

[ reference numerals ]

A steel beam 10; an upper layer steel girder 11; a lower layer steel girder 12; an upper cantilever beam 13; a lower cantilever beam 14; an upper connecting lug 15; a lower connecting ear 16; a reinforced concrete column 20; a node O; steel wrapping 30; steel corbels 40; a pallet 50; a mechanical anchor 60; a connection plate 70; a high-strength bolt 80; a viscous damper 90; reinforced concrete beam columns 100; inter-column support 110; a lacing bar 111; and a diagonal web member 112.

Specific structures and devices are labeled in the drawings to enable a clear implementation of an embodiment of the utility model, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structures, devices and environments, which may be adapted or modified by a person of ordinary skill in the art according to specific needs, and which remain included in the scope of the appended claims.

Detailed Description

The utility model provides a factory building framework structure which is described in detail below with reference to the accompanying drawings and specific embodiments. While the utility model has been described herein in terms of the preferred and preferred embodiments, the following embodiments are intended to be more illustrative, and may be implemented in many alternative ways as will occur to those of skill in the art; and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the utility model specifically.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.

As used herein, the term "nominal" refers to a desired or target value for a characteristic or parameter of a component or process operation, and a range of values above and/or below the desired value, that is set during a design phase of a production or manufacturing process. The range of values may be due to slight variations in manufacturing processes or tolerances. As used herein, the term "about" indicates a given amount of value that may vary based on the particular technology node associated with the subject semiconductor device. Based on a particular technology node, the term "about" may indicate a given amount of a value that varies, for example, within 5% -15% of the value (e.g., ±5%, ±10% or±15%).

It is to be understood that the meaning of "on … …", "on … …" and "over … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on" something but also includes meaning "on" something with intervening features or layers therebetween, and "on … …" or "over … …" means not only "on" or "over" something, but also may include its meaning "on" or "over" something without intervening features or layers therebetween.

Furthermore, spatially relative terms such as "under …," "under …," "lower," "above …," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.

As shown in fig. 1 to 9, an embodiment of the present utility model provides a building frame structure of a factory building, which is formed by modifying a reinforced concrete bent structure of the factory building including a plurality of reinforced concrete columns and a plurality of inter-column supports as a basic framework; the factory building frame construction includes factory building reinforced concrete bent structure and multilayer girder steel 10, multilayer girder steel 10 with form a plurality of node O between the reinforced concrete column 20, every node O includes: the reinforced concrete column 20, the steel beam 10, the steel clad 30, the plurality of steel corbels 40, the supporting plate 50 and the plurality of mechanical anchors 60, wherein the steel clad 30 surrounds at least one side surface of the reinforced concrete column 20 and is fastened on the reinforced concrete column 20 by the plurality of mechanical anchors 60; the steel beam 10 is hinged on the outer surface of the steel ladle 30; the steel corbels 40 are fixed on the outer surface of the steel cladding 30 at intervals, the tops of the steel corbels 40 are connected to the supporting plate 50, the supporting plate 50 is supported at the bottom of the steel beam 10, the steel beam is H-shaped steel, and the inter-column support is of a double-groove steel structure.

The scheme is to reform the original reinforced concrete column 20 bent system factory building, and can solve the problems of high reforming cost, high construction difficulty and long construction period existing in the reforming of old factory buildings such as old boiler houses and the like in the prior art. Wherein, can change original layer height higher factory building reinforced concrete bent structure into the factory building frame construction that has multilayer steelframe, connect through a plurality of node O between multilayer steelframe and the reinforced concrete column 20, every node O specifically constructs as: the steel wrapping 30 is arranged on the periphery of the reinforced concrete column 20, the steel wrapping 30 is fastened on the reinforced concrete column 20 through a plurality of mechanical anchor bolts 60, the steel beam 10 at the node O is hinged with the steel wrapping 30 outside the reinforced concrete column 20, and a plurality of steel corbels 40 are arranged at intervals along the periphery of the reinforced concrete column 20 at the node O for ensuring convenient and reliable connection due to the rear anchoring node, the top ends of the steel corbels 40 are connected with the supporting plate 50, and the bottom of the steel beam 10 is supported by the supporting plate 50. Like this, can realize the transformation to old reinforced concrete column 20 bent system factory building, reform transform the higher structure system of former layer into the new frame construction system of multilayer steelframe, improve among the prior art old factory building such as old boiler room reform transform with high costs, the construction degree of difficulty is big, construction cycle is long problem. And be provided with the viscous damper between two-layer girder steel 10 at least partly adjacent, so, because girder steel 10 with reinforced concrete column 20 articulates, set up the viscous damper between two-layer girder steel 10 partly adjacent, so, rely on the viscous damper to provide additional damping ratio when meeting the earthquake more, can play the shock attenuation effect, rare time-consuming devices can be regarded as to viscous damper. Therefore, by adopting the viscous damper, the interlayer internal force under the earthquake action of the structure can be greatly reduced, and the lateral force rigidity of the whole structure can be effectively improved.

In each of the nodes O, a part of the nodes O may be connected to the steel beam 10 around the reinforced concrete column 20, and another part of the nodes O may be connected to the steel beam 10 on one or both sides of the four peripheral surfaces. When the steel beams 10 are hinged to the periphery of the reinforced concrete column 20, as shown in the figure, the steel wrapping 30 may surround the periphery of the reinforced concrete column 20, the plurality of mechanical anchors 60 are fastened to the periphery of the reinforced concrete column 20, and the supporting plate 50 is a ring plate structure surrounding the periphery of the reinforced concrete column 20.

In this embodiment, as shown in fig. 1 to 4, the node O further includes: a connection plate 70 and a plurality of high-strength bolts 80, wherein the connection plate 70 is fixed on the outer surface of the steel ladle 30 and is hinged with the steel girder 10 through the plurality of high-strength bolts 80. The steel beam 10 and the reinforced concrete column 20 can be hinged by adopting the scheme.

In addition, the concrete connection manner between the viscous damper 90 and the upper and lower steel beams may be as follows:

as shown in fig. 6 and 7, the at least partially adjacent two-layer steel beams 10 include an upper layer steel beam 11 and a lower layer steel beam 12 that are longitudinally and adjacently disposed, an upper cantilever beam 13 protruding toward the lower layer steel beam 12 is connected to the upper layer steel beam 11, a lower cantilever beam 14 protruding toward the upper layer steel beam 11 is connected to the lower layer steel beam 12, a gap is longitudinally opposite and provided between the upper cantilever beam 13 and the lower cantilever beam 14, and the viscous damper 90 is disposed in the gap and has two ends respectively connected to the upper cantilever beam 13 and the lower cantilever beam 14.

Further, an upper connecting lug 15 protruding downwards is arranged on the upper cantilever beam 13, a lower connecting lug 16 protruding upwards is arranged on the lower cantilever beam 14, the upper connecting lug 15 and the lower connecting lug 16 are arranged at a horizontal interval, the viscous damper 90 is transversely arranged between the upper connecting lug 15 and the lower connecting lug 16, and two ends of the viscous damper are respectively connected to the upper connecting lug 15 and the lower connecting lug 16.

It will of course be appreciated that the above is only an example, and that in other embodiments not shown, the viscous damper 90 may be connected between the upper and lower steel beams in other ways.

At least some of the viscous dampers 90 are distributed at different points of the plant frame structure at different orientations in a projection plane perpendicular to the ground. In practical applications, the viscous damper 90 may be placed in a proper location in the building in combination with the steel beam 10, for example, in one embodiment, the viscous damper 90 is distributed at each location in the first layer steel frame as shown in fig. 8.

In addition, in this embodiment, as shown in fig. 5, the building frame structure further includes at least two reinforced concrete beams 100 except for a plurality of the reinforced concrete columns 20 in the building reinforced concrete bent structure, and in the projection plane of the building frame structure in the direction perpendicular to the ground, the at least two reinforced concrete beams 100 are distributed at intervals in the length direction of the building frame structure. As shown in fig. 5, a reinforced concrete beam column 100 is provided on each of left and right sides of the plant frame structure in a plan view. Such an arrangement is to additionally add reinforced concrete beam columns 100 to increase the overall structural rigidity when the original reinforced concrete bent structure of the factory building is reformed.

In addition, the original reinforced concrete bent structure of the factory building can be modified to reserve the inter-column support in the original structure, but the bearing capacity of the inter-column support is insufficient, and the inter-column support needs to be reinforced in the following concrete reinforcing mode:

1) The original inter-column support is modified from a single-groove steel structure to a double-groove steel structure, so that, as shown in fig. 10, in this embodiment, the inter-column support 110 is of a double-groove steel structure.

2) As shown in fig. 9, in this embodiment, the inter-column support 110 includes a plurality of battens 111 sequentially spaced along its length direction, and diagonal web members 112 are disposed between adjacent battens 111.

Through calculation and analysis of the structure after transformation, the reinforcement scheme of the frame structure of the factory building provided by the embodiment is compared with the traditional reinforcement scheme, and the comparison of the two reinforcement schemes is shown in table 1. As shown in the calculation results of table 1, by reasonably arranging the viscous damper 90, the lateral force stiffness of the structure is effectively improved, and the anti-seismic two-channel defense line of the structure is increased; after adding the viscous damper 90Compared with the traditional reinforcement scheme, the concrete consumption is saved by about 365m ³ The on-site chemical bar planting, chemical anchor bolts and wet workload are reduced, the construction period is shortened, and the total construction cost of engineering is saved.

TABLE 1

According to the factory building framework structure, the viscous damper 90 is arranged in factory buildings, so that the structure is simple, the operation is convenient, the input of earthquake force is effectively reduced, and the original boiler room structure can meet various requirements of the current standard only by simple reinforcement.

In summary, by reasonably arranging the viscous damper 90, the lateral force rigidity of the modified factory building structure is effectively improved, and various requirements of the current specifications can be met; the viscous damper 90 structure system does not occupy room area and does not influence room use functions; the viscous damper 90 is simple to install, convenient to operate, free of wet operation and short in construction period; compared with the traditional reinforcement method, the frame structure system of the factory building can effectively reduce the total cost of the transformation of the old factory building.

The utility model is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the utility model. In the following description of preferred embodiments of the utility model, specific details are set forth in order to provide a thorough understanding of the utility model, and the utility model will be fully understood to those skilled in the art without such details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail so as not to unnecessarily obscure aspects of the present utility model.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (8)

1. The factory building framework structure is characterized by being formed by modifying a factory building reinforced concrete bent structure which comprises a plurality of reinforced concrete columns and a plurality of inter-column supports as a basic framework; factory building frame construction includes factory building reinforced concrete bent structure and multilayer girder steel, multilayer girder steel with form a plurality of nodes between the reinforced concrete column, every the node includes: the reinforced concrete column, the steel beam, the steel covered, the steel brackets, the supporting plate and the mechanical anchor bolts, wherein the steel covered surrounds at least one side surface of the reinforced concrete column and is fastened on the reinforced concrete column by the mechanical anchor bolts; the steel beam is hinged to the outer surface of the steel-clad steel; the steel corbels are fixed on the outer surface of the steel ladle at intervals, the tops of the steel corbels are connected to the supporting plate, and the supporting plate is supported at the bottom of the steel girder; and a viscous damper is arranged between at least part of two adjacent steel beams, the steel beams are H-shaped steel, and the inter-column support is of a double-groove steel structure.

2. The building frame structure of claim 1, wherein,

in some of the nodes, when the steel beams are hinged to the periphery of the reinforced concrete column respectively, the steel wrapping surrounds the periphery surface of the reinforced concrete column, the plurality of mechanical anchors are fastened on the periphery surface of the reinforced concrete column, and the supporting plate is of a ring plate structure surrounding the periphery of the reinforced concrete column.

3. The building frame structure of claim 2, wherein,

the node further comprises: the steel-clad steel plate comprises a connecting plate and a plurality of high-strength bolts, wherein the connecting plate is fixed on the outer surface of the steel-clad steel plate and hinged with the steel beam through the high-strength bolts.

4. The building frame structure of claim 1, wherein,

the at least partially adjacent two-layer steel beams comprise an upper-layer steel beam and a lower-layer steel beam which are longitudinally arranged adjacently, the upper-layer steel beam is connected with an upper cantilever beam which faces the lower-layer steel beam in a protruding mode, the lower-layer steel beam is connected with a lower cantilever beam which faces the upper-layer steel beam in a protruding mode, a gap is reserved between the upper cantilever beam and the lower cantilever beam in a longitudinal direction, and the viscous damper is located in the gap, and two ends of the viscous damper are respectively connected to the upper cantilever beam and the lower cantilever beam.

5. The building frame structure of claim 4, wherein,

the upper cantilever beam is provided with an upper connecting lug protruding downwards, the lower cantilever beam is provided with a lower connecting lug protruding upwards, the upper connecting lug and the lower connecting lug are arranged at a transverse interval, the viscous damper is transversely arranged between the upper connecting lug and the lower connecting lug, and two ends of the viscous damper are respectively connected to the upper connecting lug and the lower connecting lug.

6. The building frame structure of claim 1, wherein,

at least part of the viscous damper is distributed on different position points of different directions in a projection plane of the factory building framework structure in the direction vertical to the ground.

7. The building frame structure of claim 1, wherein,

the factory building frame structure further comprises at least two reinforced concrete beams and columns except for the reinforced concrete columns in the factory building reinforced concrete bent frame structure, wherein the reinforced concrete beams and columns are distributed at intervals in the length direction of the factory building frame structure in a projection plane perpendicular to the ground direction of the factory building frame structure.

8. The building frame structure of claim 1, wherein,

the column support comprises a plurality of lacing bars which are sequentially arranged at intervals along the length direction of the column support, and inclined web members are arranged between every two adjacent lacing bars.