CN114645507A - Modular type hinged prefabricated assembled truss composite beam structure - Google Patents
Modular type hinged prefabricated assembled truss composite beam structure Download PDFInfo
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- CN114645507A CN114645507A CN202210491402.0A CN202210491402A CN114645507A CN 114645507 A CN114645507 A CN 114645507A CN 202210491402 A CN202210491402 A CN 202210491402A CN 114645507 A CN114645507 A CN 114645507A
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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
- E01D19/00—Structural or constructional details of bridges
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a modular hinged prefabricated assembled truss composite beam structure, which comprises a main truss rod; the panel components are arranged in number and are arranged along the longitudinal bridge direction; a plurality of main trussed rods are arranged below the panel assembly at intervals along the transverse bridge direction, and two adjacent main trussed rods are hinged along the longitudinal bridge direction; the panel assembly is provided with a plurality of seams which divide the panel assembly into a first panel and a second panel, and at least two main trusses are arranged below the first panel and the second panel; a longitudinal bridging support assembly; a transverse bridging support assembly; and wet seams are formed between every two adjacent first panels and second panels and between every two adjacent first panels and every two adjacent second panels. The invention avoids the problem of fatigue cracking of the concrete bridge deck at the joint of the concrete bridge deck and the truss rod piece of the traditional truss combined beam bridge due to over-strong constraint, simultaneously realizes the mode of factory prefabrication and modulus type quick assembly of all elements of the bridge structure, and accelerates the construction speed.
Description
Technical Field
The invention relates to the technical field of truss composite beam bridges, in particular to a modular type hinged prefabricated assembled truss composite beam structure.
Background
The truss rod is widely applied to bridge engineering due to the advantages of light self weight, clear stress, easy assembly and the like. However, in the conventional truss composite girder as shown in fig. 1 of the accompanying drawings, the truss members are directly inserted into the concrete deck and integrally cast with the concrete deck, which makes the concrete deck and the truss members form a fixed-end constraint. Because of the great difference of the rigidity of the truss member and the rigidity of the concrete bridge deck slab, fatigue cracking is easily generated at the joint position of the truss member and the concrete bridge deck slab under the reciprocating action of vehicle load, so that the risk of exposing the interior of the bridge deck slab to a corrosive environment for a long time is increased, and the safety of a bridge structure is directly influenced by serious persons.
Therefore, it is highly desirable to design a modular hinged prefabricated assembled truss composite beam structure to solve the above problems.
Disclosure of Invention
The invention aims to provide a modular hinged prefabricated assembled truss composite beam structure, which comprises a main truss rod;
the panel components are arranged in a plurality and arranged along the longitudinal bridge direction; a plurality of main trusses are arranged below the panel assembly at intervals along the transverse bridge direction, and two adjacent main trusses are hinged along the longitudinal bridge direction; the panel assembly is provided with a plurality of seams which divide the panel assembly into a first panel and a second panel, and at least two main trusses are arranged below the first panel and the second panel;
the top ends of the main trusses are hinged with the longitudinal bridge direction supporting assemblies, the top ends of the longitudinal bridge direction supporting assemblies are hinged with the bottom ends of the first panel and the second panel, and the longitudinal bridge direction supporting assemblies are hinged to two adjacent longitudinal bridge direction supporting assemblies along a longitudinal bridge direction through connecting pieces;
the transverse bridge direction supporting assembly is arranged between any two adjacent main trusses, two ends of the transverse bridge direction supporting assembly are hinged with the adjacent main trusses respectively, and the top end of the transverse bridge direction supporting assembly is hinged with the first panel and the second panel;
and the seam connecting pieces are connected between the first panel and the second panel, the first panel and the second panel which are adjacent to each other.
Preferably, the longitudinal direction supporting assembly comprises at least two first longitudinal direction girders, a second longitudinal direction girder is arranged between the two first longitudinal direction girders, the first longitudinal direction girder is hinged with the first panel and the second panel, the bottom end of the second longitudinal direction girder is hinged with the bottom end of an adjacent first longitudinal direction girder, and the top end of the second longitudinal direction girder is hinged with the top end of another adjacent first longitudinal direction girder; the first longitudinal bridge direction trusses which are positioned at two sides of the hinge point of the two adjacent main trusses in the longitudinal bridge direction are hinged through the connecting piece.
Preferably, the connecting piece comprises a second longitudinal bridgewise truss rod and a third longitudinal bridgewise truss rod, one end of the second longitudinal bridgewise truss rod is hinged to the top end of the first longitudinal bridgewise truss rod positioned on one side of the hinge point of the two adjacent main truss rods, and the other end of the second longitudinal bridgewise truss rod is hinged to the bottom end of the first longitudinal bridgewise truss rod positioned on the other side of the hinge point of the two adjacent main truss rods; and two ends of the third longitudinal direction truss rod are respectively hinged with the top ends of the second longitudinal direction truss rods.
Preferably, the cross-bridge comprises a first cross-bridge to the truss rod, a second cross-bridge to the truss rod and a third cross-bridge to the truss rod, adjacent two between the main truss rods is provided with the third cross-bridge to the truss rod, the third cross-bridge is hinged with the main truss rod respectively to the two ends of the truss rod, the third cross-bridge is hinged with the two ends of the truss rod respectively to the first cross-bridge to the truss rod and the second cross-bridge to the truss rod, the first cross-bridge is hinged with the second cross-bridge to the truss rod end and the first panel is hinged with the second panel bottom end, and the first cross-bridge is hinged with the truss rod end and the second cross-bridge is hinged with the truss rod end.
Preferably, the bottom ends of the first panel and the second panel are fixedly connected with a plurality of hinge lugs, and the first longitudinal direction bridge is hinged to the truss rod, the second longitudinal direction bridge is hinged to the truss rod, the third longitudinal direction bridge is hinged to the truss rod, the first transverse direction bridge is hinged to the truss rod and the second transverse direction bridge is hinged to the hinge lugs through hinge pins.
Preferably, be located the cross bridge to both sides the equal rigid coupling in main joist top and inboard has the hinge ear, be located the cross bridge to the middle part the equal rigid coupling in main joist top and both sides has the hinge ear, first cross bridge to the joist, the cross bridge of second to the joist, the cross bridge of third to the joist, first longitudinal bridge to the joist and the second longitudinal bridge all through the round pin axle with the hinge ear is articulated to the joist.
Preferably, the seam is provided between the transverse bridging support component and the longitudinal bridging support component adjacent to the transverse bridging support component.
Preferably, the seam connector is a wet seam.
The invention discloses the following technical effects:
1. the invention forms reliable connection between the truss rod piece and the precast concrete bridge deck slab through the pin shaft, releases over-strong constraint and avoids the problem of fatigue cracking of the concrete bridge deck slab caused by larger rigidity difference between the truss rod and the concrete under the reciprocating action of vehicle load.
2. The rods of the invention are standardized thin-wall rods, the truss rods can be assembled quickly along the bridge direction, the truss bridges with various width section forms can be assembled in the transverse bridge direction, the concrete bridge deck plates are reasonably divided into blocks according to the actual situation on site, the erection scheme is determined, the concrete bridge deck plates are prefabricated by arranging the embedded hinge lugs according to a certain size, and the quick construction of the ultra-wide bridge can be realized.
3. According to the invention, multiple concrete wet joint sections are cast in situ between the precast concrete bridge decks, so that the cracking problem caused by shrinkage and creep of large-volume concrete in the cast-in-situ process is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a vertical view of a conventional truss composite girder longitudinal bridge;
FIG. 2 is an isometric view of a modular, articulated, prefabricated, assembled truss composite beam structure;
FIG. 3 is a view of the arrangement of truss members of the center sill;
FIG. 4 is a side truss member assembly layout view;
FIG. 5 is a longitudinal bridging assembly elevation;
FIG. 6 is a view showing the arrangement of the middle longitudinal bridging assembling rods;
FIG. 7 is a view of an edge bridging assembly bar arrangement;
FIG. 8 is a view showing the arrangement of the longitudinal bridging members on the other side portion;
FIG. 9 is a schematic view of a first longitudinal bridgewise spar;
FIG. 10 is a schematic view of a second longitudinal bridging beam;
FIG. 11 is a schematic view of a third longitudinal bridging beam;
FIG. 12 is a view of the arrangement of the transverse bridging assembly bars;
FIG. 13 is a schematic view of the first transverse bridgewise spar configuration;
FIG. 14 is a schematic view of a second transverse bridgewise spar;
FIG. 15 is a schematic view of a third transverse bridgewise spar;
FIG. 16 is a schematic structural view of a first panel;
FIG. 17 is a schematic structural view of a second panel;
FIG. 18 is a schematic view of a hinge lug;
FIG. 19 is a schematic structural view of a pin;
FIG. 20 is a transverse bridge elevation;
wherein, 1, a first panel; 2. a second panel; 3. a main spar; 4. a third transverse bridgewise spar; 5. a first transverse bridgewise spar; 6. wet seaming; 7. a second transverse bridgewise spar; 8. a second longitudinal bridgewise spar; 9. a first longitudinal bridgewise spar; 10. a pin shaft; 11. hinging a lug; 12. the third longitudinal bridge is connected to the girder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 2 to 20, the present invention provides a modular, articulated, prefabricated, assembled truss composite beam structure, including,
a main girder 3;
the panel components are arranged in a plurality of numbers and are arranged along the longitudinal bridge direction; a plurality of main trusses 3 are arranged below the panel assembly at intervals along the transverse bridge direction, and two adjacent main trusses 3 are hinged along the longitudinal bridge direction; the panel assembly is provided with a plurality of seams, the panel assembly is divided into a first panel 1 and a second panel 2 by the plurality of seams, and at least two main trusses 3 are arranged below the first panel 1 and the second panel 2;
the top ends of the main trusses 3 are hinged with longitudinal bridge direction supporting assemblies, the top ends of the longitudinal bridge direction supporting assemblies are hinged with the bottom ends of the first panel 1 and the second panel 2, and the longitudinal bridge direction supporting assemblies are hinged with two adjacent longitudinal bridge direction supporting assemblies along the longitudinal bridge direction through connecting pieces;
the transverse bridge direction supporting assembly is arranged between any two adjacent main trusses 3, two ends of the transverse bridge direction supporting assembly are hinged with the adjacent main trusses 3 respectively, and the top end of the transverse bridge direction supporting assembly is hinged with the first panel 1 and the second panel 2;
the seam connecting piece is connected between the adjacent first panel 1 and the second panel 2, the adjacent two first panels 1 and the adjacent two second panels 2 through the seam connecting piece.
Further, the first panel 1 and the second panel 2 are concrete panels.
The whole system is prefabricated in a factory and then installed on site, so that the construction difficulty is reduced, and the construction efficiency is improved.
Furthermore, the main truss rod 3 is a main bearing part, a concave female port is formed in one end of the main truss rod 3, a convex male end is fixedly connected to the other end of the main truss rod 3, a through hole matched with the pin shaft 10 is formed in the center of the concave female port and the convex male end, and the concave female port of the main truss rod 3 is hinged to the convex male end of the adjacent main truss rod 3 through the pin shaft 10.
Further, the longitudinal direction supporting assembly comprises at least two first longitudinal direction girders 9, a second longitudinal direction girder 8 is arranged between the two first longitudinal direction girders 9, the first longitudinal direction girder 9 is hinged with the first panel 1 and the second panel 2, the bottom end of the second longitudinal direction girder 8 is hinged with the bottom end of one adjacent first longitudinal direction girder 9, and the top end of the second longitudinal direction girder 8 is hinged with the top end of the other adjacent first longitudinal direction girder 9; the first longitudinal direction girders 9 positioned at two sides of the hinge point of the two adjacent main girders 3 in the longitudinal direction are hinged through a connecting piece.
Furthermore, two ends of the first longitudinal bridgewise truss rod 9 are fixedly connected with convex sub-ends, and the central positions of the two convex sub-ends are provided with main force transmission components with through holes; the second longitudinal direction truss rod 8 is a main force transmission component with concave female ports at two ends and a through hole at the center of the two concave female ports; the third longitudinal bridge is a temporary connecting piece with through holes at two ends towards the truss rod 12.
Furthermore, the first longitudinal bridge is inclined towards the truss rod 9, the hinge point of the first longitudinal bridge towards the truss rod 9 and the first panel 1 and the hinge point of the second panel 2 are close to the convex sub end of the main truss rod 3 hinged with the first longitudinal bridge, the bottom end of the second longitudinal bridge towards the truss rod 8 is hinged with the bottom end of the first longitudinal bridge towards the truss rod 9 close to the convex sub end, the top end of the second longitudinal bridge towards the truss rod 8 is hinged with the top end of the first longitudinal bridge towards the truss rod 9 far away from the convex sub end, and the projection of the first longitudinal bridge towards the truss rod 9 and the second longitudinal bridge towards the truss rod 8 is of a stable triangular structure.
Further, the connecting piece comprises a second longitudinal direction truss rod 8 and a third longitudinal direction truss rod 12, one end of the second longitudinal direction truss rod 8 is hinged with the top end of the first longitudinal direction truss rod 9 positioned on one side of the hinge point of the two adjacent main truss rods 3, and the other end of the second longitudinal direction truss rod 8 is hinged with the bottom end of the first longitudinal direction truss rod 9 positioned on the other side of the hinge point of the two adjacent main truss rods 3; the two ends of the third longitudinal bridgewise girder 12 are hinged with the top ends of the two second longitudinal bridgewise girders 8 respectively.
Further, the third longitudinal bridgewise girder 12 is a temporary member, and is removed after the wet joint 6 is poured, and the third longitudinal bridgewise girder 12 is used for avoiding instability damage in the pouring process of the wet joint 6.
Further, the transverse bridge is to the supporting component including first transverse bridge to truss 5, the second transverse bridge to truss 7 and third transverse bridge to truss 4, be provided with the third transverse bridge to truss 4 between two adjacent main trusses 3, the third transverse bridge is articulated with two adjacent main trusses 3 respectively to the both ends of truss 4, the third transverse bridge is articulated respectively to truss 4's both ends to have first transverse bridge to truss 5 and second transverse bridge to truss 7, first transverse bridge is articulated to 5 terminal and second transverse bridge of truss 7 to the end of truss 7 with first panel 1, 2 bottoms of second panel, and first transverse bridge is articulated to 5 terminal and second transverse bridge of truss to truss 7 ends of truss.
Furthermore, the first transverse bridgewise truss 5, the second transverse bridgewise truss 7 and the third transverse bridgewise truss 4 enclose a stable triangular structure.
Furthermore, the first transverse bridgewise truss rod 5 is a secondary force transmission component, two ends of the first transverse bridgewise truss rod are fixedly connected with convex sub ends, and the center positions of the two convex sub ends are provided with through holes; the second transverse bridge-direction truss rod 7 is a secondary force transmission component, two ends of the second transverse bridge-direction truss rod are provided with concave female ports, and the center positions of the two concave female ports are provided with through holes; the third transverse bridge-direction truss rod 4 is a secondary force transmission component, one end of which is provided with a concave female port, the other end of which is fixedly connected with a convex secondary end, and the center positions of the concave female port and the convex secondary end are provided with through holes.
Furthermore, due to the limitation of the concave female port and the convex secondary end, the transverse bridge-direction supporting assembly is firstly assembled with the first transverse bridge-direction truss rod 5, then assembled with the third transverse bridge-direction truss rod 4 and finally assembled with the second transverse bridge-direction truss rod 7 in the assembling process.
Furthermore, a plurality of hinge lugs 11 are fixedly connected to the bottom ends of the first panel 1 and the second panel 2, and the first longitudinal direction bridge girder rod 9, the second longitudinal direction bridge girder rod 8, the third longitudinal direction bridge girder rod 12, the first transverse direction bridge girder rod 5 and the second transverse direction bridge girder rod 7 are hinged to the hinge lugs 11 through pin shafts 10.
Further, the hinge lug 11 is fixed on the first panel 1 and the second panel 2 by casting.
Further, hinge lugs 11 are fixedly connected to the top end and the inner side of the main truss rod 3 located on the two sides of the transverse bridge, hinge lugs 11 are fixedly connected to the top end and the two sides of the main truss rod 3 located on the middle of the transverse bridge, and the first transverse bridge is hinged to the truss rod 5, the second transverse bridge is hinged to the truss rod 7, the third transverse bridge is hinged to the truss rod 4, the first longitudinal bridge is hinged to the truss rod 9 and the second longitudinal bridge is hinged to the truss rod 8 through pin shafts 10.
Further, the hinge lug 11 is fixed to the main beam 3 by welding.
Furthermore, the seam is arranged between the transverse bridge-direction supporting component and the longitudinal bridge-direction supporting component adjacent to the transverse bridge-direction supporting component.
Further, the seam connecting piece is a wet seam 6, and the seams between the adjacent first panel 1 and the second panel 2, the adjacent two first panels 1 and the adjacent two second panels 2 are connected by the wet seam 6. And a plurality of wet joints 6 are arranged, so that the cracking problem caused by shrinkage and creep of large-volume concrete in the cast-in-place process is avoided.
Further, the construction process of the modular hinged prefabricated assembled truss composite beam structure comprises the following steps:
the method comprises the following steps that firstly, the bridge with the full section is reasonably partitioned according to the actual situation on site, and each panel and each rod piece are prefabricated in a factory;
secondly, assembling the panel and the rod piece on a construction site to form an independent assembly body as shown in figures 3 and 4;
step three, as shown in fig. 5, longitudinally hoisting the assembly body, and connecting two adjacent assembly bodies after the longitudinal bridge is hoisted in place through a connecting piece;
step four, as shown in fig. 20, transversely assembling the assembled bodies which are hoisted in the longitudinal bridge direction, and perfecting a transversely bridging supporting component between two adjacent assembled bodies so as to integrally connect the transverse bridge direction;
step five, pouring a wet joint 6;
step six, after the wet joint 6 is completely hardened, removing a third longitudinal bridge truss rod 12 in the connecting piece;
and step seven, finishing construction.
Further, when assembling in the transverse bridge direction, as shown in fig. 20, the rod pieces filled with the lattice in the drawing are rod pieces which need to be perfectly assembled between two adjacent assemblies.
After the width of the bridge section is determined, reasonably partitioning the full-section bridge according to the actual situation on site, and making a corresponding erection scheme, simultaneously, embedding hinge lugs 11 in the first panel 1 and the second panel 2 which are partitioned according to a certain size, embedding the hinge lugs 11 in the first panel 1 and the second panel 2 at one ends of the hinge lugs 11 to enable the hinge lugs 11 and the concrete bridge panel to be integrated, the center of the other end is provided with a through hole, so that each truss rod piece can be reliably connected with the concrete bridge deck under the action of the pin shaft 10, the fixed connection between the truss rod pieces and the concrete bridge deck is avoided, the truss rod pieces are connected in a hinged mode, the erection of the bridge main body is completed, concrete strips are poured at the joints between the first face plate 1 and the second face plate 2, between the two adjacent first face plates 1 and between the two adjacent second face plates 2 after the erection is completed, and the erection of the bridge is finally achieved. The invention converts the fixed end constraint into the fixed hinge constraint which can allow the concrete bridge deck plate to freely rotate, and can effectively solve the problem of fatigue cracking of the concrete bridge deck plate caused by large rigidity difference at the joint position of the truss rod and the concrete bridge deck plate; meanwhile, the invention realizes the mode of factory prefabrication and modulus type quick assembly of all elements of the bridge structure, reduces the construction difficulty and accelerates the construction speed.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (8)
1. Truss combination beam structure is assembled in articulated prefabrication of modulus formula, its characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a main girder (3);
the panel components are arranged in a plurality and are arranged along the longitudinal bridge direction; a plurality of main trussed rods (3) are arranged below the panel assembly at intervals along the transverse bridge direction, and two adjacent main trussed rods (3) are hinged along the longitudinal bridge direction; the panel assembly is provided with a plurality of seams, the panel assembly is divided into a first panel (1) and a second panel (2) by the seams, and at least two main trusses (3) are arranged below the first panel (1) and the second panel (2);
the top ends of the main trusses (3) are hinged with the longitudinal bridge direction supporting assemblies, the top ends of the longitudinal bridge direction supporting assemblies are hinged with the bottom ends of the first panel (1) and the second panel (2), and two adjacent longitudinal bridge direction supporting assemblies in the longitudinal bridge direction are hinged through a connecting piece;
the transverse bridge direction supporting assembly is arranged between any two adjacent main trusses (3), two ends of the transverse bridge direction supporting assembly are hinged to the adjacent main trusses (3) respectively, and the top end of the transverse bridge direction supporting assembly is hinged to the first panel (1) and the second panel (2);
and the first panel (1) and the second panel (2) which are adjacent to each other, the two adjacent first panels (1) and the two adjacent second panels (2) are connected through the seam connecting pieces.
2. The modular articulated precast assembled truss composite beam structure of claim 1, wherein: the longitudinal direction supporting assembly comprises at least two first longitudinal direction girders (9), a second longitudinal direction girder (8) is arranged between the two first longitudinal direction girders (9), the first longitudinal direction girder (9) is hinged with the first panel (1) and the second panel (2), the bottom end of the second longitudinal direction girder (8) is hinged with the bottom end of one adjacent first longitudinal direction girder (9), and the top end of the second longitudinal direction girder (8) is hinged with the top end of the other adjacent first longitudinal direction girder (9); the first longitudinal direction truss rods (9) positioned at two sides of the hinge point of the two adjacent longitudinal direction truss rods (3) are hinged through the connecting piece.
3. The modular articulated precast assembled truss composite beam structure of claim 2, wherein: the connecting piece comprises a second longitudinal direction girder (8) and a third longitudinal direction girder (12), one end of the second longitudinal direction girder (8) is hinged with the top end of the first longitudinal direction girder (9) which is positioned on one side of the hinge point of the two adjacent main girders (3), and the other end of the second longitudinal direction girder (8) is hinged with the bottom end of the first longitudinal direction girder (9) which is positioned on the other side of the hinge point of the two adjacent main girders (3); and two ends of the third longitudinal direction truss rod (12) are respectively hinged with the top ends of the second longitudinal direction truss rods (8).
4. The modular articulated precast assembled truss composite beam structure of claim 2, wherein: the transverse bridge is to the supporting component and includes first transverse bridge to truss (5), second transverse bridge to truss (7) and third transverse bridge to truss (4), adjacent two be provided with between main truss (3) third transverse bridge is to truss (4), third transverse bridge is to the both ends of truss (4) respectively with adjacent two main truss (3) are articulated, third transverse bridge is articulated respectively to the both ends of truss (4) first transverse bridge to truss (5) with second transverse bridge is to truss (7), first transverse bridge is to truss (5) terminal with second transverse bridge is to truss (7) terminal with first panel (1), second panel (2) bottom is articulated, just first transverse bridge is to truss (5) terminal with second transverse bridge is to truss (7) terminal articulated.
5. The modular articulated precast assembled truss composite beam structure of claim 4, wherein: first panel (1) with the equal rigid coupling in second panel (2) bottom has a plurality of hinge ears (11), first longitudinal bridge to purlin (9), the second longitudinal bridge to purlin (8), the third longitudinal bridge to purlin (12), first horizontal bridge to purlin (5) with the second horizontal bridge all through round pin axle (10) with hinge ear (11) are articulated to purlin (7).
6. The modular articulated precast assembled truss composite beam structure of claim 4, wherein: be located the cross bridge to both sides main longeron (3) top and the equal rigid coupling in inboard have hinge ear (11), be located the cross bridge to the middle part main longeron (3) top and the equal rigid coupling in both sides have hinge ear (11), first cross bridge to longeron (5), the cross bridge of second to longeron (7), the cross bridge of third to longeron (4), first longitudinal bridge to longeron (9) and the second longitudinal bridge all through round pin axle (10) to longeron (8) with hinge ear (11) are articulated.
7. The modular articulated precast assembled truss composite beam structure of claim 1, wherein: the seam is arranged between the transverse bridge direction supporting component and the longitudinal bridge direction supporting component adjacent to the transverse bridge direction supporting component.
8. The modular articulated precast assembled truss composite beam structure of claim 1, wherein: the seam connection is a wet seam (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210491402.0A CN114645507A (en) | 2022-05-07 | 2022-05-07 | Modular type hinged prefabricated assembled truss composite beam structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210491402.0A CN114645507A (en) | 2022-05-07 | 2022-05-07 | Modular type hinged prefabricated assembled truss composite beam structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934434A (en) * | 2022-06-27 | 2022-08-23 | 四川省交通勘察设计研究院有限公司 | Prefabricated steel truss concrete small box girder and prefabricated assembled type combined girder bridge comprising same |
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2022
- 2022-05-07 CN CN202210491402.0A patent/CN114645507A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934434A (en) * | 2022-06-27 | 2022-08-23 | 四川省交通勘察设计研究院有限公司 | Prefabricated steel truss concrete small box girder and prefabricated assembled type combined girder bridge comprising same |
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