CN211006310U - Stainless steel core plate truss composite beam - Google Patents
Stainless steel core plate truss composite beam Download PDFInfo
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- CN211006310U CN211006310U CN201921636396.3U CN201921636396U CN211006310U CN 211006310 U CN211006310 U CN 211006310U CN 201921636396 U CN201921636396 U CN 201921636396U CN 211006310 U CN211006310 U CN 211006310U
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Abstract
The utility model discloses a stainless steel core truss composite beam, stainless steel core truss composite beam includes: first layer framework, middle framework and the second floor framework that sets gradually, first layer framework is including the first stainless steel core, second stainless steel core and the third stainless steel core that arrange in proper order, middle framework is including the fourth stainless steel core and the fifth stainless steel core that arrange at an interval each other, the second floor framework includes the sixth stainless steel core, first stainless steel core with the second stainless steel core passes through first RPC articulate, the second stainless steel core with the third stainless steel core passes through the second RPC articulate, the first end of fourth stainless steel core is connected to first RPC connects. The stainless steel core plate truss composite beam and the manufacturing method thereof aim to solve the technical problems that the steel-concrete composite structure in the prior art is poor in anti-seismic performance and easy to crack and rust.
Description
Technical Field
The utility model relates to a building engineering technical field especially relates to a stainless steel core plate truss composite beam.
Background
In the field of construction engineering, steel-concrete composite structures have been used more and more in recent decades. The steel truss-concrete composite beam is a common structure in steel-concrete composite structures, and is a flexural member which is formed by connecting a steel truss and a concrete slab together through a connecting piece so as to bear load together. The structural form well exerts the tensile property of steel and the compressive property of concrete. However, the conventional steel-concrete composite structure is not ideal in terms of manufacturing cost and seismic performance, and is also easy to generate cracks and corrosion phenomena and influence the engineering progress.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Based on this, the utility model provides a stainless steel core truss composite beam, this stainless steel core truss composite beam aim at solving among the prior art steel-concrete composite structure's anti-seismic performance poor, the technical problem of crack and corrosion appear easily.
(II) technical scheme
In order to solve the technical problem, the utility model provides a stainless steel core truss composite beam, wherein, stainless steel core truss composite beam includes: a first layer framework, a middle framework and a second layer framework which are arranged in sequence, wherein the first layer framework comprises a first stainless steel core plate, a second stainless steel core plate and a third stainless steel core plate which are arranged in sequence, the intermediate frame comprises a fourth stainless steel core plate and a fifth stainless steel core plate arranged at a distance from each other, the second layer of framework comprises a sixth stainless steel core plate, the first stainless steel core plate and the second stainless steel core plate are connected through a first RPC joint, the second stainless steel core plate and the third stainless steel core plate are connected through a second RPC joint, a first end of the fourth stainless steel core plate is connected to the first RPC joint, a first end of the fifth stainless steel core plate is connected to the second RPC joint, the second end of the fourth stainless steel core plate is connected with the first end of the sixth stainless steel core plate by a third RPC joint, and the second end of the fifth stainless steel core plate is connected with the second end of the sixth stainless steel core plate through a fourth RPC joint.
Preferably, the first stainless steel core plate, the second stainless steel core plate, the third stainless steel core plate, the fourth stainless steel core plate, the fifth stainless steel core plate and the sixth stainless steel core plate are respectively provided with a shear nail at a position where the first stainless steel core plate, the second stainless steel core plate, the third stainless steel core plate, the fourth stainless steel core plate, the fifth stainless steel core plate and the sixth stainless steel core plate are connected to the corresponding RPC joints.
Preferably, the first stainless steel core plate is away from one end that first RPC connects with be connected with first oblique supporting beam between the first end of sixth stainless steel core plate, the third stainless steel core plate is away from one end that the second RPC connects with be connected with second oblique supporting beam between the second end of sixth stainless steel core plate.
Preferably, the first diagonal support beam is connected to the third RPC joint, and the second diagonal support beam is connected to the fourth RPC joint.
Preferably, the first diagonal brace roof beam with the position of third RPC articulate is provided with the shear force nail, the second diagonal brace roof beam with the position of fourth RPC articulate is provided with the shear force nail.
Preferably, bellows are respectively arranged in the first RPC joint, the second RPC joint, the third RPC joint and the fourth RPC joint.
Preferably, the first inclined support beam, the first stainless steel core plate and the fourth stainless steel core plate sequentially enclose a triangular framework, and the second inclined support beam, the fifth stainless steel core plate and the third stainless steel core plate sequentially enclose a triangular framework.
Preferably, the first layer architecture, the middle architecture and the second layer architecture are sequentially arranged from top to bottom.
Preferably, the first layer framework, the middle framework and the second layer framework are formed by arranging a plurality of groups of combined frames along the longitudinal direction, and the groups of combined frames are connected with each other, and the first inclined supporting beam and the second inclined supporting beam are respectively aligned with the connecting seam between the adjacent combined frames.
(III) advantageous effects
The utility model discloses compare with prior art, the beneficial effects of the utility model include:
because the stainless steel core plate truss composite beam provided by the utility model is mainly connected with the RPC joint through the stainless steel core plate, the weight of the stainless steel core plate material is extremely light, the elongation is more than or equal to 40 percent, the multi-layer erection is easy, the span can be increased, the number of pile foundations at the lower part is reduced, the lower part structure can save the using amount while the weight of the upper part is reduced, the construction cost can be reduced, the PRC is usually composed of materials such as superfine active powder, cement, high-quality fine aggregate, high-strength fiber and the like, and has the characteristics of excellent compression resistance, bending resistance, crack resistance, durability and the like, the strength can reach 200Mpa, compared with the traditional concrete, the strength is higher, and the composite beam can be better combined with a steel structure, so the stainless steel core plate truss composite beam has better anti-seismic performance, if the concrete material meets earthquake with stronger grade, brittle failure can directly occur, has good elastic plasticity, can only deform and cannot collapse when encountering earthquakes and ground falls. In addition, the stainless steel core plate can avoid cracks and corrosion, because the stainless steel core plate has extremely long service life and does not need rust-proof maintenance forever, the stainless steel core plate and the active powder concrete both belong to high-strength materials and can better resist the cracking problem. The stainless steel core plate truss composite beam has the advantages that the engineering progress can be accelerated, the support and the template can be simplified in construction, a pre-embedded prestressed pipeline process is not needed, and the stainless steel core plate and the active powder concrete can be prefabricated and produced in a factory at the same time and then are transported to a site for splicing construction; because the prefabricated steel plate can be prefabricated in a factory, the field construction period is faster than several times, and the interference to the periphery is small.
Other advantageous effects of the present invention will be described in the following detailed description.
Drawings
The features and advantages of the invention will be more clearly understood by reference to the accompanying drawings, which are schematic and should not be understood as imposing any limitation on the invention, in which:
fig. 1 is a side view of a stainless steel core truss composite beam of the present invention;
fig. 2 is a partial top view of the stainless steel core truss composite beam of the present invention;
fig. 3 is a right side sectional view relative to the top view in fig. 2.
Description of reference numerals:
1. the first stainless steel core plate, 2, the second stainless steel core plate, 3, the third stainless steel core plate, 4, the fourth stainless steel core plate, 5, the fifth stainless steel core plate, 6, the sixth stainless steel core plate, 7, the first RPC joint, 8, the second RPC joint, 9, the third RPC joint, 10, the fourth RPC joint, 11, the shear nail, 12, the first diagonal bracing beam, 13, the second diagonal bracing beam, 14, the joint seam, 15, the built-up frame, 16, the bellows, 17, the truss diagonal bracing piece.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
Referring to fig. 1-3, the utility model discloses a stainless steel core truss composite beam, wherein, stainless steel core truss composite beam includes: a first layer framework, a middle framework and a second layer framework which are arranged in sequence, wherein the first layer framework comprises a first stainless steel core plate 1 which is arranged in sequence, the middle framework comprises a fourth stainless steel core plate 4 and a fifth stainless steel core plate 5 which are arranged at intervals, the second layer framework comprises a sixth stainless steel core plate 6, the first stainless steel core plate 1 is connected with the second stainless steel core plate 2 through a first RPC joint 7, the second stainless steel core plate 2 is connected with the third stainless steel core plate 3 through a second RPC joint 8, the first end of the fourth stainless steel core plate 4 is connected to the first RPC joint 7, the first end of the fifth stainless steel core plate 5 is connected to the second RPC joint 8, the second end of the fourth stainless steel core plate 4 is connected with the first end of the sixth stainless steel core plate 6 through a third RPC joint 9, and the second end of the fifth stainless steel core plate 5 is connected with the second end of the sixth stainless steel core plate 6 through a fourth RPC joint 10. Wherein, RPC is reactive powder concrete. Of course, the utility model discloses can also connect more stainless steel core boards as required, adopt RPC articulate between the adjacent stainless steel core board. Bellows 16 are provided in each of the first, second, third and fourth RPC joints.
As mentioned in the foregoing, because the stainless steel core truss composite beam provided by the present invention is mainly connected with RPC joints through the stainless steel core plate, the stainless steel core plate has extremely light weight, and the elongation is not less than 40%, it is easy to erect in multiple layers, it can increase span, reduce the number of lower pile foundation, and when the weight of the upper part is reduced, the lower structure can save the using amount, and can reduce the construction cost, the PRC is usually composed of superfine active powder, cement, fine aggregate, high strength fiber, etc., it has excellent compression resistance, bending resistance, crack resistance and durability, and the strength can reach 200Mpa, compared with the traditional concrete, the strength is higher, it can be better combined with steel structure, so the stainless steel core truss composite beam has better anti-seismic performance, if the concrete material meets earthquake with stronger grade, brittle failure can directly occur, but the toughness of the metal material is extremely strong, has good elastic plasticity, can only deform and cannot collapse when encountering earthquakes and ground falls. In addition, the stainless steel core plate can avoid cracks and corrosion, because the stainless steel core plate has extremely long service life and does not need rust-proof maintenance forever, the stainless steel core plate and the active powder concrete both belong to high-strength materials and can better resist the cracking problem. The stainless steel core plate truss composite beam has the advantages that the engineering progress can be accelerated, the support and the template can be simplified in construction, a pre-embedded prestressed pipeline process is not needed, and the stainless steel core plate and the active powder concrete can be prefabricated and produced in a factory at the same time and then are transported to a site for splicing construction; because the prefabricated steel plate can be prefabricated in a factory, the field construction period is faster than several times, and the interference to the periphery is small.
According to the preferred embodiment of the present invention, the first stainless steel core plate 1, the second stainless steel core plate 2, the third stainless steel core plate 3, the fourth stainless steel core plate 4, the fifth stainless steel core plate 5, and the sixth stainless steel core plate 6 are provided with the shear nails 11 at the positions where they are connected to the corresponding RPC joints, respectively.
According to the utility model discloses a preferred embodiment, be connected with first bearing diagonal beam 12 between the one end that first stainless steel core 1 deviates from first RPC joint 7 and the first end of sixth stainless steel core 6, third stainless steel core 3 deviates from and is connected with second bearing diagonal beam 13 between the one end of second RPC joint 8 and the second end of sixth stainless steel core 6. Of course, the first and second inclined support beams 12 and 13 are preferably of a steel beam structure.
Specifically, the first diagonal support beam 12 is connected to the third RPC joint 9, and the second diagonal support beam 13 is connected to the fourth RPC joint 10. The shear nails 11 are arranged at the connecting parts of the first inclined supporting beam 12 and the third RPC joint 9, and the shear nails 11 are arranged at the connecting parts of the second inclined supporting beam 13 and the fourth RPC joint 10.
According to the specific embodiment of the utility model, second stainless steel core 2, fifth stainless steel core 5, sixth stainless steel core 6 and fourth stainless steel core 4 enclose into the quadrangle framework in proper order. The first inclined supporting beam 12, the first stainless steel core plate 1 and the fourth stainless steel core plate 4 sequentially enclose a triangular framework, and the second inclined supporting beam 13, the fifth stainless steel core plate 5 and the third stainless steel core plate 3 sequentially enclose a triangular framework. The triangular framework further improves the strength and stability of the stainless steel core plate truss composite beam.
Furthermore, the utility model discloses preferred first layer framework, middle framework and second floor framework arrange from last to down in proper order, but, can understand, when having special needs, will also fall into first layer framework, middle framework and second floor framework with this scheme of supreme arranging from down the utility model discloses a protection scope, regardless of what kind of direction is arranged even first layer framework, middle framework and second floor framework will fall into the utility model discloses a protection scope.
Further, the composite frames 15 formed by the first-layer frame, the intermediate frame and the second-layer frame may be provided with a plurality of sets of the composite frames 15 along the longitudinal direction y, and the plurality of sets of the composite frames 15 are connected to each other, and the first inclined supporting beams 12 and the second inclined supporting beams 13 are respectively aligned with the connecting seams 14 between the adjacent composite frames 15 (the connecting seams 14 extend along the transverse direction x perpendicular to the longitudinal direction y), which can better increase the connecting strength at the connecting seams 14 between the composite frames 15. Truss diagonal braces 17 are connected between the adjacent first diagonal support beams 12 to form a truss structure, and truss diagonal braces 17 can be connected between the adjacent second diagonal support beams 13 to ensure the integrity of the flange and the whole structure and increase the shear resistance.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (9)
1. The stainless steel core plate truss composite beam is characterized by comprising the following components in parts by weight: a first layer framework, a middle framework and a second layer framework which are arranged in sequence, wherein the first layer framework comprises a first stainless steel core plate, a second stainless steel core plate and a third stainless steel core plate which are arranged in sequence, the intermediate frame comprises a fourth stainless steel core plate and a fifth stainless steel core plate arranged at a distance from each other, the second layer of framework comprises a sixth stainless steel core plate, the first stainless steel core plate and the second stainless steel core plate are connected through a first RPC joint, the second stainless steel core plate and the third stainless steel core plate are connected through a second RPC joint, a first end of the fourth stainless steel core plate is connected to the first RPC joint, a first end of the fifth stainless steel core plate is connected to the second RPC joint, the second end of the fourth stainless steel core plate is connected with the first end of the sixth stainless steel core plate by a third RPC joint, and the second end of the fifth stainless steel core plate is connected with the second end of the sixth stainless steel core plate through a fourth RPC joint.
2. The stainless steel core truss composite beam of claim 1, wherein the first, second, third, fourth, fifth and sixth stainless steel core plates are provided with a shear pin at a portion where each is connected to the corresponding RPC joint.
3. The stainless steel core truss composite beam of claim 1, wherein a first diagonal support beam is connected between an end of the first stainless steel core facing away from the first RPC joint and a first end of the sixth stainless steel core plate, and a second diagonal support beam is connected between an end of the third stainless steel core facing away from the second RPC joint and a second end of the sixth stainless steel core plate.
4. The stainless steel core truss composite beam of claim 3, wherein the first diagonal support beam is connected to the third RPC joint and the second diagonal support beam is connected to the fourth RPC joint.
5. The stainless steel core truss composite beam as claimed in claim 4, wherein shear nails are provided at a portion where the first cross support beam is connected to the third RPC joint, and shear nails are provided at a portion where the second cross support beam is connected to the fourth RPC joint.
6. The stainless steel core truss combination beam of any one of claims 1 to 5, wherein bellows are provided in each of the first, second, third and fourth RPC joints.
7. The stainless steel core truss composite beam according to any one of claims 3 to 5, wherein said first cross support beam, said first stainless steel core plate and said fourth stainless steel core plate in turn enclose a triangular frame, and said second cross support beam, said fifth stainless steel core plate and said third stainless steel core plate in turn enclose a triangular frame.
8. The stainless steel core truss composite beam according to any one of claims 1 to 5, wherein said first, intermediate and second layer frameworks are arranged sequentially from top to bottom.
9. The stainless steel core truss composite beam according to any one of claims 3 to 5, wherein said first, intermediate and second layer frameworks are formed with a plurality of sets of composite frames arranged in a longitudinal direction, and the plurality of sets of composite frames are connected to each other, and said first and second inclined support beams are aligned with connection seams between the adjacent composite frames, respectively.
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CN110700078A (en) * | 2019-09-29 | 2020-01-17 | 长沙市公路桥梁建设有限责任公司 | Stainless steel core plate truss composite beam and manufacturing method thereof |
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CN110700078A (en) * | 2019-09-29 | 2020-01-17 | 长沙市公路桥梁建设有限责任公司 | Stainless steel core plate truss composite beam and manufacturing method thereof |
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