CN112982134B - Combined steel beam used in bridge construction - Google Patents
Combined steel beam used in bridge construction Download PDFInfo
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- CN112982134B CN112982134B CN202110260166.7A CN202110260166A CN112982134B CN 112982134 B CN112982134 B CN 112982134B CN 202110260166 A CN202110260166 A CN 202110260166A CN 112982134 B CN112982134 B CN 112982134B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The invention relates to the technical field of road and bridge construction engineering, in particular to a combined steel beam. The invention provides a combined steel beam used in bridge construction, which comprises a beam body, wherein the beam body comprises an upper beam and a lower beam which are mutually butted, a first bowl-shaped structure is arranged at the opening end of the upper beam, a second bowl-shaped structure is arranged at the opening end of the lower beam, the first bowl-shaped structure is provided with a first water drop type structure body, the second bowl-shaped structure is provided with a second water drop type structure body, and connecting bodies which can be mutually spliced are arranged at the opening ends of the first bowl-shaped structure and the second bowl-shaped structure. The invention has simple structure and convenient installation, and prolongs the service life of the bridge by utilizing the characteristics of the beam body structure.
Description
Technical Field
The invention belongs to the technical field of roads and bridges, and particularly relates to a combined steel beam.
Background
In the construction of a bridge, a large number of steel beams are used, the used steel beams are mostly combined box beam structures of one or more of I-shaped structures, trapezoidal structures or rectangular structures, the combined box beam structures are generally connected in a welding or riveting connection mode, and the bridge using the structures has the characteristics of high compression resistance and high pressure bearing capacity, but often has the phenomenon that the strength and toughness of the bridge are not enough to deform and cannot be restored when bearing excessive bearing capacity, so that the service life of the bridge is shortened.
Disclosure of Invention
The invention aims to solve the technical problem that the combined steel beam used in bridge construction is realized by simulating the structural characteristics of compression resistance, difficult damage or breakage when a shell and a hollow inner cavity of a crustacean limb joint are combined, and adopting a splicing connection mode, and when the bearing capacity of a bridge body is large, the aims of improving the toughness of the beam body, increasing the deformation recovery and prolonging the service life of the bridge are fulfilled.
In order to achieve the above purpose, the present invention provides a composite steel beam used in bridge construction, including a beam body provided with an inner cavity, the beam body includes an upper beam and a lower beam which are butted together and have a hollow structure, the cross section formed by butting the open ends of the upper beam and the lower beam is oval, the open end and the bottom of the upper beam form a first bowl-shaped structure with a downward opening, the open end and the bottom of the lower beam form a second bowl-shaped structure with an upward opening, the bottom of the first bowl-shaped structure is provided with two first water droplet-shaped structures which are connected oppositely, the ends of the two first water droplet-shaped structures are thick ends, the thick end of the first water droplet-shaped structure is provided with a first tapered structure from the side wall of the open end of the first bowl-shaped structure, the two first tapered structures are thin ends of the first water droplet-shaped structure, an arc-shaped structure transition is arranged between the thick end of the first water drop type structure body and the first contraction structure body;
the bottom of the second bowl-shaped structure is provided with two second water drop-shaped structures which are butted together, the end parts of the two second water drop-shaped structures are thick ends, the thick ends of the second water drop-shaped structures are provided with second tapered structures which are tapered towards the side wall of the opening end of the second bowl-shaped structure, the second tapered structures are thin ends of the first water drop-shaped structures, the thick ends of the two second water drop-shaped structures are butted together, and arc-shaped structure transition is arranged between the thick ends of the second water drop-shaped structures and the second tapered structures;
and the open ends of the first bowl-shaped structure and the second bowl-shaped structure are provided with connecting bodies which are mutually spliced together.
The utility model provides a technical scheme, the connector is including setting up at first bowl-shaped structure open end and according to first flange, first recess, second flange and the first spacing portion that is equipped with in proper order from inside to outside, the open end of second bowl-shaped structure is equipped with third flange, second recess, third flange, third recess and the spacing portion of second that set up according to the order from inside to outside, first flange cartridge is in the second recess, second flange cartridge is in the third recess, third flange cartridge is in first recess.
According to the technical scheme, the connector comprises a fourth groove and a fourth flange which are arranged at the opening end of the first bowl-shaped structure, a sixth flange, a U-shaped groove and a seventh flange are arranged at the opening end of the second bowl-shaped structure, the sixth flange is inserted into the fourth groove, the fourth flange is inserted into the U-shaped groove, and the seventh flange is arranged on the outer side of the U-shaped groove.
In a preferred technical scheme, a vertical plane side wall is arranged on one side where the fourth flange and the sixth flange are connected.
The preferred technical scheme, the connector is including setting up the ninth flange on first bowl shape structure open end, the fifth recess that the open end upside of second bowl shape structure was equipped with, the ninth flange sets up in the fifth recess, the ninth flange is joint head structure, the fifth recess is a joint nest type structure, joint head type structure sets up in joint nest type structure and intermeshing and carries on spacingly.
According to the preferable technical scheme, the outer convex arc angle of the joint head structure is the same as the inner concave arc angle of the fifth groove, so that the contact surface of the ninth flange and the fifth groove is tightly attached.
The convex arc angle of the joint head structure is the same as the concave arc angle of the fifth groove, so that the contact surface of the fifth flange and the fifth groove is tightly fitted.
According to the preferable technical scheme, the center positions of the two first water drop type structures are respectively provided with a first through hole, and the center positions of the two second water drop type structures are respectively provided with a second through hole.
According to the preferable technical scheme, the upper portion of the first bowl-shaped structure is provided with an upper supporting piece of an n-shaped structure, the outer side of the second bowl-shaped structure is provided with two lower supporting pieces of L-shaped structures, and the L-shaped structures are mutually butted and fixedly connected with the upper supporting piece of the n-shaped structure.
According to the preferable technical scheme, the two sides of the inner wall of the second bowl-shaped structure are respectively provided with a plurality of steel wires, and adjusting parts capable of adjusting the steel wires are arranged between the steel wires.
Compared with the prior art, the invention has the following beneficial effects: the invention saves materials, improves the compression resistance of the bridge and prolongs the service life of the bridge.
Drawings
Fig. 1 is a perspective view of a beam body in embodiment 1 of the present invention;
fig. 2 is a front view of an upper beam in embodiment 1 of the present invention;
FIG. 3 is a front view of a lower beam in embodiment 1 of the present invention;
FIG. 4 is a front view of a connecting body in embodiment 1 of the present invention;
FIG. 5 is a front view showing another structure of the connecting body in example 2 of the present invention;
FIG. 6 is a front view showing another structure of the connecting body in example 3 of the present invention;
fig. 7 is a perspective view of a beam body in embodiment 4 of the invention;
FIG. 8 is a front view showing another structure of a beam body in embodiment 4 of the present invention;
fig. 9 is a front view of another structure of the beam body in embodiment 5 of the present invention.
Reference numerals
In the drawings, 1-the beam body; 2, upper beam; 3-a first via; 4-a first water droplet-type structure; 4A — a first contracting structure; 5-a linker; 501 — a first flange; 502 — a first groove; 503 — a second flange; 504-a first limiting part; 505 — a fourth groove; 506 — a fourth flange; 507 — a ninth flange; 511 — third flange; 512-second groove; 513 — a third groove; 514-second limit part; 515 — a fifth flange; 516 — a sixth flange; 517-U-shaped groove; 518-seventh flange; 519 — a fifth groove; 6, a lower beam; 7-a second drop-shaped structure; 8-a second via; 9 — a second contracting structure; 10-lumen; 11 — an upper support; 12-a filling section; 13-a lower support; 14-a wire rope; 15-adjusting part, in the figure, arrow A is the direction of stress of the beam body.
Detailed Description
Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1-3, the invention provides a composite steel beam used in bridge construction, comprising a beam body 1, wherein the beam body 1 comprises an upper beam 2 and a lower beam 6 which are butted together to form a hollow structure, the open end and the bottom of the upper beam 2 form a first bowl-shaped structure with a downward opening, the open end and the bottom of the lower beam 6 form a second bowl-shaped structure with an upward opening, the open ends of the upper beam 2 and the lower beam 6 are butted together to form an oval cross section, the bottom of the first bowl-shaped structure is provided with two first water drop-shaped structures 4 which are oppositely arranged, the side wall of the thick end of each first water drop-shaped structure 4 towards the open end of the first bowl-shaped structure is provided with a first tapered structure 4A, the end parts of the two water drop-shaped structures are thick end parts, the two thick end parts are oppositely connected together, the central positions of the two water drop-shaped structures are respectively provided with a first through hole 3, because set up first through-hole 3 not only can alleviate the weight and the save material of upper beam 2, can also play the effect that increases roof beam body 1 toughness, when roof beam body 1 received too big pressure, two water droplet type structures and first through-hole 3's structure can produce corresponding structural deformation along with receiving when the big gravity of overloaded vehicle thereupon, undertake or overcome great pressure, guarantee the normal use of bridge. The cross section of the first through hole 3 may be in the shape of a drop, an ellipse, a rectangle or a diamond structure. Because the downside at first bowl shape structure has set up first shrink structure 4A, two first shrink structure 4A are the thin end of first water droplet type structure, the thickness of the lateral wall of first shrink structure 4A both sides is thinner relatively, first water droplet type structure 4 that the wall thickness is thicker relatively is provided with the arc structure transition to the first shrink structure 4A that the wall thickness is thinner relatively, because the lateral wall smoothness of first bowl shape structure is full, more have toughness, can play the effect that increases roof beam body toughness. As shown in fig. 3, in this embodiment, the lower beam 6 is provided with a second bowl-shaped structure, two second water droplet-shaped structures 7 arranged oppositely are arranged at the bottom of the second bowl-shaped structure, the side wall of the open end of the second bowl-shaped structure from the thick end of the second water droplet-shaped structure 7 is a second contraction structure 9 which is tapered, the end parts of the two second water droplet-shaped structures 7 are thick ends and are connected oppositely, and a second through hole 8 is respectively arranged at the central position of the two second water droplet-shaped structures 7, so that the effects of reducing the weight of the lower beam 6 and saving materials are achieved, the toughness of the beam body 1 is increased, when the beam body 1 is under pressure, the structures of the two second water droplet-shaped structures 7 and the second through hole 8 can be bent and deformed to bear a larger pressure, and no fracture occurs. The cross section of the second through hole 8 may also be a drop shape, an oval shape, a rectangular shape or a diamond shape. In addition, because the second contraction structure bodies 9 are arranged on two sides of the second bowl-shaped structure, the thickness of two side walls of the second contraction structure bodies 9 is relatively thin, the thickness of the third water drop type structure bodies 7 with relatively thick wall is changed to the thickness of the second contraction structure bodies 9 with relatively thin wall, and arc-shaped structures are also arranged for transition, so that the side walls of the second bowl-shaped structure are smooth, full and flexible. Wherein, the open ends of the first bowl-shaped structure and the second bowl-shaped structure are provided with connecting bodies 5 which are inserted into each other. As shown in fig. 4, in this embodiment, the connecting body 5 includes a first flange 501, a first groove 502, a second flange 503 and a first limiting portion 504, which are disposed at the opening end of the first bowl-shaped structure and are sequentially disposed from inside to outside; the open end of the second bowl-shaped structure is provided with a third flange 511, a second groove 512, a fifth flange 515, a third groove 513 and a second limiting part 514 which are arranged from inside to outside in sequence, the first flange 501 is inserted into the second groove 512, the second flange 503 is inserted into the third groove 513, and the fifth flange 515 is inserted into the first groove 502. An inclination angle is formed between the first flange 501 and the second flange 503, the first flange 501 is arranged at an obliquely upper position on the inner side of the first bowl-shaped structure, the second flange 503 is arranged at an obliquely lower position on the outer side of the first bowl-shaped structure, and because the first limiting part 504 is arranged on the outer side of the lower part of the second flange 503, and the end parts of the first flange 501, the second flange 503 and the fifth flange 515 are all of hemispherical structures, the hemispherical structures can play a role in preventing the first flange 501, the second flange 503 and the fifth flange 515 from being separated from the first groove 502, the second groove 512 and the third groove 513 when the first flange 501, the second flange 503 and the fifth flange 515 are subjected to pressure from the upper parts, so that the received pressure can be uniformly dispersed downwards. Because the first limiting portion 504 and the second limiting portion 514 are correspondingly arranged, the first limiting portion 504 and the second limiting portion 514 are arranged outside the connecting body 5, and arc-shaped transitions are arranged at the outer edge end portions of the first limiting portion 504 and the second limiting portion 514, so that when the first limiting portion 504 and the second limiting portion 514 are deformed under pressure, the two arc-shaped transitions do not interfere with each other, and the pressure-bearing strength and the toughness of the connecting body 5 are enhanced. In addition, the third flange 511 provided at the connection body 5 is provided with an arc-shaped transition structure at an outer end portion, and when the first water drop-shaped structure 4 is bent to be structurally deformed when receiving a downward force, the third flange 511 may catch the first flange 501 and be bent and deformed together, thereby improving the toughness of the beam body 1.
In this embodiment, when the beam body 1 is subjected to a downward pressure, the first water droplet type structural body 4 of the first bowl-shaped structure is firstly subjected to the pressure, the first water droplet type structural body 4 bends downward to generate a structural deformation, the first through hole 3 in the first water droplet type structural body 4 correspondingly bears a certain pressure and generates a certain structural deformation, the first water droplet type structural body 4 and the first through hole 3 can unload a part of pressure by using the structural deformation, and transmit a main pressure of the pressure to the first contraction structural body 4A downward, the first contraction structural body 4A bears the pressure to generate the structural deformation, and generates a displacement outward, and transmits the main pressure of the pressure a to the second bowl-shaped structure through the connector.
The first flange 501 and the second groove 512, the second flange 503 and the third groove 513, and the fifth flange 515 and the first groove 502 are tightly connected, when a pressure a is received, the first contracting structure 4A transmits the pressure to the second contracting structure 9, when the pressure value of the received pressure is greater than the force which can be borne by the self-material of the second contracting structure 4A and the second contracting structure 9, the first contracting structure 4A and the second contracting structure 9 can only generate a certain displacement B by depending on the structural deformation resolving pressure, and when the pressure value of the pressure a is less than the force which can be borne by the self-material of the first contracting structure 4A and the second contracting structure 9, the first contracting structure 4A and the second contracting structure 9 partially recover the deformation structure depending on the material property.
Example 2
This example is further improved on the basis of example 1, with the difference that: in order to facilitate installation, as shown in fig. 5, the present embodiment provides a connecting body 5 of another structure, where the connecting body 5 includes a fourth groove 505 and a fourth flange 506 disposed at an open end of the first bowl-shaped structure, a sixth flange 516, a U-shaped groove 517 and a seventh flange 518 are respectively disposed at an open end of the second bowl-shaped structure, the sixth flange 516 is inserted into the fourth groove 505, the fourth flange 506 is inserted into the U-shaped groove 517, and a seventh flange 518 is disposed at a lower side of the U-shaped groove 517 in order to enhance strength of the U-shaped groove 517. In a preferable technical scheme, for the purpose of firmer and more stable connection, a vertical plane contact surface is arranged on one side where the fourth flange 506 and the sixth flange 516 are connected, a protrusion with an arc-shaped structure is arranged on the top of the sixth flange 516, the protrusion with the arc-shaped structure arranged on the sixth flange 516 can be inserted into the fourth groove 505, in order to achieve the accurate positioning effect, a small gap value should be adopted between the protrusion with the arc-shaped structure and the fourth groove 505, the preferred gap value range is 1-5mm, the side wall of the sixth flange 516 and the inner side wall of the fourth flange 506 are simultaneously attached, and the seventh flange 518 can achieve the effect of improving the strength of the U-shaped groove 517 and can jointly bear the pressure a from above.
Example 3
This example is further improved on the basis of example 1, with the difference that: as shown in fig. 6, in the present embodiment, according to a preferred embodiment, the connecting body 5 includes a ninth flange 507 disposed on the open end of the first bowl-shaped structure, a fifth groove 519 disposed on the upper side of the open end of the second bowl-shaped structure, the ninth flange 507 is disposed in the fifth groove 519, the ninth flange 507 is in a joint structure, the fifth groove 519 is in a socket-type structure, and since the joint structures are disposed in the socket-type structure and engaged with each other, the joint structure not only can perform a connecting function, but also can perform a limiting function. In this embodiment, the angle of the outward convex arc structure of the ninth flange 507 is the same as the angle of the inward concave arc structure of the fifth groove 519, so that the ninth flange 507 and the fifth groove 519 form surface contact, and the beam body 1 can deform to overcome pressure when receiving the pressure a above, and the beam body 1 is easily restored to the initial state when the pressure disappears.
Example 4
This example is further improved on the basis of example 1, with the difference that: as shown in fig. 7 and 8, in the embodiment, the upper portion of the first bowl-shaped structure is provided with an upper supporting member 11 with an n-shaped structure, the outer side of the second bowl-shaped structure is provided with two lower supporting members 13 with L-shaped structures, and the two L-shaped structures are butted with each other and fixedly connected with the upper supporting member 11 with the n-shaped structure. Because the upper supporting pieces 11 are arranged above and at two sides of the first bowl-shaped structure, the upper supporting pieces 11 are n-shaped structures, and a first cavity is arranged between the n-shaped structures and the upper beam 2. Wherein, two side belows of second bowl shape structure are equipped with down support piece 13 respectively, and lower support piece 13 is L type structure, two L type structure docks each other, is equipped with the second cavity between L type structure and the second bowl shape structure, and first cavity and second cavity have constituted filling portion 12, and the filling of filling portion 12 has certain toughness and has elastic material, and the material chooses for use if the material by the plastic material. Because the material that has certain toughness and has elasticity has been filled to filling portion 12, can make the underbeam 6 that has the upper beam 2 of first calathiform structure and second calathiform structure when receiving some nature stress or linear stress, the atress can be dispersed the surface of first calathiform structure and second calathiform structure on average, can play the effect that can disperse concentrated atress ability to roof beam body 1, can also play the effect that improves roof beam body 1 and receive impact resistance external force or shock strength, can play the effect of shock attenuation and reduction road surface noise simultaneously, the life of bridge has been prolonged.
Example 5
This example is further improved on the basis of example 4, with the difference that: as shown in fig. 9, in this embodiment, after the first bowl-shaped structure and the second bowl-shaped structure are inserted and installed, since the inner cavity 10 is provided inside the beam body 1, the inner walls of the inner cavity 10 at both sides of the second bowl-shaped structure are respectively and fixedly connected with the plurality of wires 14, one ends of the wires 14 are in a fixed shape, the other ends of the wires 14 are in a dispersed shape, the dispersed ends are fixedly connected to the side walls of the second bowl-shaped structure, in order to adjust the tightness of the wires 14, the wires 14 are provided with the adjusting parts 15, the adjusting parts 15 are provided with the adjusting devices in the middle, the adjusting shape includes adjusting bolts, and the tightening degrees of the wires 14 can be adjusted by the knob adjusting bolts. Wherein, roof beam body 1 is when receiving decurrent pressure, connector 5 on first bowl-shaped structure and the second bowl-shaped structure receives pressure to take place to warp, can produce outside aversion, owing to be equipped with wire 14 and regulating part 15 between the lateral wall of second bowl-shaped structure, knob adjusting bolt can help first bowl-shaped structure and second bowl-shaped structure when receiving pressure to produce the deformation, reduce the deflection that produces outside aversion B, connector 5 is when bearing pressure diminish or disappearance, regulating part 15 can help connector 5 to resume initial condition as early as possible, play the effect that reduces the tired phenomenon of first bowl-shaped structure and second bowl-shaped structure.
While the preferred embodiments and examples of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the embodiments and examples, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (6)
1. A combined steel beam used in bridge construction comprises a beam body (1) provided with an inner cavity (10), wherein the beam body (1) comprises an upper beam (2) and a lower beam (6) which are in butt joint with each other and are of a hollow structure, the combined steel beam is characterized in that the cross section formed by the butt joint of the open ends of the upper beam (2) and the lower beam (6) is oval, the open end and the bottom of the upper beam (2) form a first bowl-shaped structure with a downward opening, the open end and the bottom of the lower beam (6) form a second bowl-shaped structure with an upward opening, the bottom of the first bowl-shaped structure is provided with two first water drop-shaped structures (4) which are in relative connection, the two ends of the first water drop-shaped structures (4) which are in relative connection are thick ends, the thick end of the first water drop-shaped structure (4) is provided with a first tapered structure (4A) towards the side wall of the first bowl-shaped structure, the two first shrinkage structure bodies (4A) are thin ends of a first water drop type structure, and arc-shaped structure transition is arranged between the thick end of the first water drop type structure body (4) and the first shrinkage structure body (4A); the bottom of the second bowl-shaped structure is provided with two second water drop-shaped structures (7) which are mutually butted together, the end parts of the two second water drop-shaped structures (7) are thick ends, the thick ends of the second water drop-shaped structures (7) are provided with second tapered shrinkage structures (9) towards the side wall of the opening end of the second bowl-shaped structure, the second tapered shrinkage structures (9) are thin ends of the second water drop-shaped structures, the thick ends of the two second water drop-shaped structures (7) are oppositely connected together, and arc-shaped structure transition is arranged between the thick ends of the second water drop-shaped structures (7) and the second tapered shrinkage structures (9); the opening ends of the first bowl-shaped structure and the second bowl-shaped structure are provided with a connecting body (5) which is spliced together, the connecting body (5) comprises a first flange (501), a first groove (502), a second flange (503) and a first limiting part (504) which are arranged at the opening end of the first bowl-shaped structure and are sequentially arranged from inside to outside, the opening end of the second bowl-shaped structure is provided with a third flange (511), a second groove (512), a fifth flange (515), a third groove (513) and a second limiting part (514) which are sequentially arranged from inside to outside, the first flange (501) is inserted in the second groove (512), the second flange (503) is inserted in the third groove (513), the fifth flange (515) is inserted in the first groove (502), and an inclination angle is arranged between the first flange (501) and the second flange (503), the first flange (501) is arranged at the obliquely upper position of the inner side of the first bowl-shaped structure, the second flange (503) is arranged at the obliquely lower position of the outer side of the first bowl-shaped structure, the end parts of the first flange (501), the second flange (503) and the fifth flange (515) are all of hemispherical structures, the first limiting part (504) is arranged at the outer side below the second flange (503), the first limiting part (504) and the second limiting part (514) are arranged at the outer side of the connecting body (5) and are arranged correspondingly, the outer edge end parts of the first limiting part (504) and the second limiting part (514) are provided with arc-shaped transition, and the outer end part of the third flange (511) is provided with an arc-shaped transition structure; when the first water drop-shaped structure body (4) receives a downward force, the first flange (501), the second flange (503) and the fifth flange (515) cannot be separated from the first groove (502), the second groove (512) and the third groove (513), and meanwhile, the third flange (511) can be clamped with the first flange (501) and can be bent and deformed together.
2. A composite steel girder for use in bridge construction according to claim 1, wherein the connecting body (5) is further provided with a fourth groove (505) and a fourth flange (506) provided at the open end of the first bowl-shaped structure, the open end of the second bowl-shaped structure is provided with a sixth flange (516), a U-shaped groove (517) and a seventh flange (518), the seventh flange (518) is provided at the outer side of the U-shaped groove (517), the sixth flange (516) is inserted into the fourth groove (505), the fourth flange (506) is inserted into the U-shaped groove (517), the connecting side of the fourth flange (506) and the sixth flange (516) is provided with a vertical plane contact surface, and a projection having a circular arc structure at the top of the sixth flange (516) is inserted into the fourth groove (505).
3. A composite steel beam for use in bridge construction according to claim 1, wherein said connecting body (5) is further configured to include a ninth flange (507) provided on the open end of the first bowl-shaped structure, a fifth groove (519) provided on the upper side of the open end of the second bowl-shaped structure, said ninth flange (507) being provided in the fifth groove (519), said ninth flange (507) being a joint head structure, said fifth groove (519) being a socket-type structure, said joint head structure being provided in said socket-type structure and engaging with each other and limiting, the angle of the outward arc structure of said ninth flange (507) being the same as the angle of the inward arc structure of said fifth groove (519) so that said ninth flange (507) is in surface contact with said fifth groove (519).
4. A sectional steel girder for use in bridge construction according to claim 1, wherein the first through-holes (3) are formed at the central positions of the two first drop type structures (4), respectively, and the second through-holes (8) are formed at the central positions of the two second drop type structures (7), respectively.
5. A composite steel girder for use in bridge construction according to claim 1, wherein the upper part of the first bowl-shaped structure is provided with an upper support (11) of an n-shaped structure, and the outer side of the second bowl-shaped structure is provided with two lower supports (13) of L-shaped structures, which are butted against each other and fixedly connected with the upper support (11) of the n-shaped structure.
6. A composite steel girder for use in bridge construction according to claim 5, wherein a plurality of wires (14) are provided on each side of the inner wall of the second bowl-shaped structure, and the wires (14) are provided with adjusting portions (15) for adjusting the tension of the wires (14).
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| CN202110260166.7A CN112982134B (en) | 2021-03-10 | 2021-03-10 | Combined steel beam used in bridge construction |
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| CN202110260166.7A CN112982134B (en) | 2021-03-10 | 2021-03-10 | Combined steel beam used in bridge construction |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB375009A (en) * | 1931-04-16 | 1932-06-23 | Johann Peter Schmidt | Improvements in composite girders, rails, bars and the like |
| US2288340A (en) * | 1936-08-29 | 1942-06-30 | William S S Yates | Method of making composite tubular structures |
| DE202007016585U1 (en) * | 2007-11-26 | 2009-04-02 | Herm. Friedr. Künne Gmbh & Co. | Profile rail system |
| CN105672566A (en) * | 2016-03-31 | 2016-06-15 | 湖北美力防护设施科技有限公司 | High-strength special pipe |
| CN206319259U (en) * | 2016-12-22 | 2017-07-11 | 云南大力神金属构件有限公司 | Suitable for the support system of assembled architecture and bridge construction |
| CN108560825A (en) * | 2018-04-20 | 2018-09-21 | 青岛理工大学 | Circular hollow interlayer splicing column and its construction method |
| CN110241972A (en) * | 2019-05-14 | 2019-09-17 | 东北林业大学 | A kind of novel fabricated laminated wood-light gauge cold-formed steel shape combination beam and production method |
| CN209412969U (en) * | 2018-11-12 | 2019-09-20 | 绿城装饰工程集团有限公司 | Using the ancient architecture of metal beam column construction |
| CN210273448U (en) * | 2019-08-27 | 2020-04-07 | 韩艳芳 | High-performance power pipe pillow |
| CN211286292U (en) * | 2019-06-28 | 2020-08-18 | 王海崴 | Prefabricated cavity slab rib roof beam steel bar connection built-up member of assembled |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1507026A (en) * | 1974-04-11 | 1978-04-12 | Nat Res Dev | Endoprosthetic devices |
| CN203483545U (en) * | 2013-10-12 | 2014-03-19 | 史振满 | Improved artificial full-hip supporting joint |
| CN204475513U (en) * | 2014-12-05 | 2015-07-15 | 北新集团建材股份有限公司 | A kind of building structure |
| CN105569185B (en) * | 2015-12-18 | 2018-10-19 | 河南奥斯派克科技有限公司 | High intensity bumps U-steel connects house |
| CN206957474U (en) * | 2017-04-24 | 2018-02-02 | 佛山声在外门窗科技有限公司 | A kind of casement window switching mount structure |
| CN206889470U (en) * | 2017-06-29 | 2018-01-16 | 中国工程物理研究院总体工程研究所 | It is a kind of for protective cover without the passive arming mechanism of pin type hinge |
| CN108643026A (en) * | 2018-06-08 | 2018-10-12 | 中国船舶重工集团应急预警与救援装备股份有限公司 | A kind of bridge section connection structure of assembled convex concave joints |
-
2021
- 2021-03-10 CN CN202110260166.7A patent/CN112982134B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB375009A (en) * | 1931-04-16 | 1932-06-23 | Johann Peter Schmidt | Improvements in composite girders, rails, bars and the like |
| US2288340A (en) * | 1936-08-29 | 1942-06-30 | William S S Yates | Method of making composite tubular structures |
| DE202007016585U1 (en) * | 2007-11-26 | 2009-04-02 | Herm. Friedr. Künne Gmbh & Co. | Profile rail system |
| CN105672566A (en) * | 2016-03-31 | 2016-06-15 | 湖北美力防护设施科技有限公司 | High-strength special pipe |
| CN206319259U (en) * | 2016-12-22 | 2017-07-11 | 云南大力神金属构件有限公司 | Suitable for the support system of assembled architecture and bridge construction |
| CN108560825A (en) * | 2018-04-20 | 2018-09-21 | 青岛理工大学 | Circular hollow interlayer splicing column and its construction method |
| CN209412969U (en) * | 2018-11-12 | 2019-09-20 | 绿城装饰工程集团有限公司 | Using the ancient architecture of metal beam column construction |
| CN110241972A (en) * | 2019-05-14 | 2019-09-17 | 东北林业大学 | A kind of novel fabricated laminated wood-light gauge cold-formed steel shape combination beam and production method |
| CN211286292U (en) * | 2019-06-28 | 2020-08-18 | 王海崴 | Prefabricated cavity slab rib roof beam steel bar connection built-up member of assembled |
| CN210273448U (en) * | 2019-08-27 | 2020-04-07 | 韩艳芳 | High-performance power pipe pillow |
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