CN213358298U - Steel splint-bolt connection glued wood beam bridge - Google Patents
Steel splint-bolt connection glued wood beam bridge Download PDFInfo
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- CN213358298U CN213358298U CN202022012205.5U CN202022012205U CN213358298U CN 213358298 U CN213358298 U CN 213358298U CN 202022012205 U CN202022012205 U CN 202022012205U CN 213358298 U CN213358298 U CN 213358298U
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Abstract
The utility model provides a steel splint-bolted connection glued wood beam bridge, including the glued wood support frame with lay the glued wood decking on the glued wood support frame, the glued wood support frame includes a plurality of girder mechanisms that extend along longitudinal direction and the glued wood cross beam that extends along transverse direction, girder mechanism is formed through first steel sheet and first bolt concatenation by a plurality of glued wood girders, connects through the glued wood cross beam between the adjacent girder mechanism, the both ends of glued wood cross beam are passed through second steel sheet and second bolt and are connected with girder mechanism. The utility model can relieve the problems of large energy consumption, serious environmental pollution and the like in the construction of small and medium-sized bridges in China to a certain extent or partially; on the other hand, the method can give full play to the advantages of green environmental protection, high assembly degree and the like of the laminated wood structure building, and can bring great environmental protection, economic and social benefits in a certain sense when being applied to medium and small-span highway bridges, pedestrian bridges and low-grade highway bridges in mountainous areas.
Description
Technical Field
The utility model belongs to the technical field of timber structure bridge, a structure of steel clamp plate bolted connection glued wood girder is related to.
Background
The small and medium span bridges in China account for nearly 90% of the total bridges in China, and the traditional building materials such as concrete, steel, brick masonry and the like are basically adopted, so that the defects of serious environmental pollution, high energy consumption and the like exist, and the sustainable development of the social economy in China is severely restricted. The new material and the new structure are adopted, and a new bridge structure system is innovated, so that the method becomes an important trend for the development of small and medium-span bridges.
Research and production practice in a certain country show that compared with steel bridges and prestressed concrete bridges, the construction of wood structure bridges with the same size can directly reduce investment by about 30%, the later-stage maintenance and replacement part dismantling cost is low, and the design service life can reach more than 50 years. The wood product is easy to recover and treat after being discarded, and can be naturally degraded and recycled.
China also advocates the development of building with wood-substitute structure and is determined to be one of three major fabricated structural systems in China. However, in China, a reliable connection mode is still in a research stage, and particularly, the method is still blank in the field of modern wood structure highway bridge construction. The laminated wood serving as a novel building material is widely applied to modern wood structure buildings, and the laminated wood structure buildings have the advantages of environmental protection, high strength-weight ratio, good anti-seismic performance, high assembly degree, short construction period, heat preservation, heat insulation, harmony, attractiveness and the like, and realize large span of the performance of engineering materials. Based on the excellent performance of the laminated wood material, the modern wood structure bridge which is suitable for the national conditions of China and has simple process, convenient construction and beautiful appearance is researched to be applied to medium and small-span highway bridges, landscape pedestrian bridges, mountain areas and other low-grade highway bridges, so that great environmental protection, economic and social benefits are brought.
It is realistic for a person skilled in the art how to provide a new structure of a steel-sandwich plate-bolted-glued wood beam bridge to at least partially or to some extent improve or solve at least one of the technical problems of the prior art.
SUMMERY OF THE UTILITY MODEL
In view of the current situation of the prior art, the object of the present invention is to provide a new structure of a steel-sandwich-bolted-bonded wooden beam bridge, so as to at least partially or to some extent improve or solve at least one technical problem of the prior art.
In order to solve the technical problem, the utility model provides a steel splint-bolted connection glued wood beam bridge, include the glued wood support frame and lay the glued wood decking on the glued wood support frame, the glued wood support frame includes a plurality of girder mechanisms that extend along the longitudinal direction and the glued wood cross wall roof beam that extends along the transverse direction, girder mechanism is formed through first steel sheet and first bolt concatenation by a plurality of glued wood girders, connects through the glued wood cross wall roof beam between the adjacent girder mechanism, and the both ends of glued wood cross wall roof beam are connected with girder mechanism through second steel sheet and second bolt.
As an improvement of the above scheme in one aspect, two sides of the joint of the adjacent laminated wood main beams are respectively provided with a first steel plate, the two first steel plates clamp the laminated wood main beams from two sides, and the bolt connection between the adjacent laminated wood main beams is realized through a first bolt penetrating through the first steel plates and the laminated wood main beams.
As an improvement of the scheme on one hand, the first bolt sequentially penetrates through the spring washer, the first steel plate positioned on one side of the laminated wood main beam, the first steel plate positioned on the other side of the laminated wood main beam and the gasket and then is connected with the locking nut.
As an improvement of the above scheme on one hand, two sides of two ends of the laminated wood beam are respectively provided with a second steel plate, the second steel plates are L-shaped steel plates matched with the shape of the joint of the laminated wood beam and the main beam mechanism, the transverse parts of the L-shaped steel plates are connected with the laminated wood beam through second bolts by bolts, and the longitudinal parts of the L-shaped steel plates are connected with the main beam mechanism through second bolts by bolts.
As an improvement of the above solution in one aspect, the number of the main beam mechanisms is 4.
As an improvement of the above solution in one aspect, the laminated wood deck comprises a plurality of transverse laminated wood boards spliced together in the longitudinal direction, the transverse laminated wood boards being fixed to the main beam mechanism by screws.
As an improvement of the above solution in one aspect, the laminated wood bridge deck further comprises prismatic pattern steel plates extending in the longitudinal direction laid on both lateral sides of a bridge deck formed by splicing a plurality of lateral laminated wood boards.
As an improvement of the above solution in one aspect, the diamond-pattern steel plate is screwed with the lateral plywood plate.
As an improvement of the above scheme in one aspect, the bridge structure further comprises a glued wood guardrail which is detachably fixed on two sides of the glued wood bridge deck.
As an improvement of the above solution in one aspect, the laminated wood guard rail is bolted to the laminated wood bridge deck and/or the laminated wood support bracket.
The utility model discloses following beneficial effect has: the utility model discloses a steel splint-bolted connection veneer timber beams bridge has following beneficial technological effect: on one hand, the problems of high energy consumption, serious environmental pollution and the like in the construction of small and medium-span bridges in China can be partially or partially relieved, and the method actively responds to the assembly construction advocated by the nation and the vigorous exhibition of the building of the wood-substitute structure; on the other hand, the method can fully exert the advantages of environment protection, high strength-weight ratio, good anti-seismic performance, high assembly degree, short construction period, harmony, beauty and the like of the laminated wood structure building, and can bring great environmental protection, economy and social benefits to a certain extent when being applied to medium and small-span highway bridges with special requirements on environmental conditions, scenic spot pedestrian bridges with higher requirements on scenic views, and low-grade highway bridges constructed in mountainous areas with special terrains which cannot be realized by equipment required by traditional supports, lifting and other construction processes due to the limitation of terrains.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a steel plywood-bolted glued wood beam bridge according to an embodiment of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a side view of fig. 1.
Fig. 4 is a top view of fig. 1.
Fig. 5 is a schematic structural view of a joint of adjacent balsa girders according to an embodiment of the invention.
Fig. 6 is a schematic structural diagram of a laminated wood supporting frame according to an embodiment of the present invention.
Fig. 7 is a side view of fig. 6.
Fig. 8 is a top view of fig. 6.
Fig. 9 is a schematic structural view of a laminated wood beam portion according to an embodiment of the present invention.
Fig. 10 is a side view of fig. 9.
Fig. 11 is a top view of fig. 9.
In the drawings:
1-laminated wood guardrail, 2-laminated wood main beam, 3-first steel plate, 4-first bolt, 5-transverse laminated wood plate, 6-prismatic pattern steel plate, 7-screw, 8-laminated wood diaphragm beam, 9-second steel plate, 10-spring washer, 11-gasket, 12-locking nut and 13-second bolt.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve.
In the description of the present invention, it should be noted that, as the terms "upper", "lower", "side", "bottom", "top", "center", "outer", etc. appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that unless otherwise explicitly specified and limited, the specific meaning of the above terms in the present invention can be specifically understood by those of ordinary skill in the art.
As shown in fig. 1 to 11, the utility model provides a steel splint-bolted connection glued wood beam bridge, include the glued wood support frame and lay the glued wood decking board on the glued wood support frame, the glued wood support frame includes a plurality of girder mechanisms that extend along the longitudinal direction and the glued wood stull 8 that extends along the transverse direction, girder mechanism is formed by a plurality of glued wood girders 2 through first steel sheet 3 and the concatenation of first bolt 4, connects through glued wood stull 8 between the adjacent girder mechanism, and the both ends of glued wood stull 8 are connected with girder mechanism through second steel sheet 9 and second bolt 13.
The utility model discloses a steel splint-bolted connection veneer wood beam bridge has a great deal of excellent performance such as the level of assemblability is high, the high ratio of strength to mass, anti-seismic performance is good, environmental protection, can provide new thinking and solution for improving the inconvenient mountain area of china's traffic, pleasing to the eye scenic spot that requires higher to the environment and construct the highway bridge and the view pedestrian bridge of well small span. The structure has simple structure, reasonable stress and convenient construction, and is completely consistent with the policy guidance of 'strengthening new structures, new materials, new processes and new equipment, researching and developing the application strength' and 'vigorously developing modern wood structure buildings'.
From the above, the steel clamping plate-bolt connection glued wood beam bridge of the present invention has the following beneficial technical effects: on one hand, the problems of high energy consumption, serious environmental pollution and the like in the construction of small and medium-span bridges in China can be partially or partially relieved, and the method actively responds to the assembly construction advocated by the nation and the vigorous exhibition of the building of the wood-substitute structure; on the other hand, the method can fully exert the advantages of environment protection, high strength-weight ratio, good anti-seismic performance, high assembly degree, short construction period, harmony, beauty and the like of the laminated wood structure building, and can bring great environmental protection, economy and social benefits to a certain extent when being applied to medium and small-span highway bridges with special requirements on environmental conditions, scenic spot pedestrian bridges with higher requirements on scenic views, and low-grade highway bridges constructed in mountainous areas with special terrains which cannot be realized by equipment required by traditional supports, lifting and other construction processes due to the limitation of terrains.
In a specific embodiment, two first steel plates 3 are respectively arranged on two sides of the joint of the adjacent laminated wood main beams 2, the two first steel plates 3 clamp the laminated wood main beams 2 from two sides, and the bolt connection between the adjacent laminated wood main beams 2 is realized through a first bolt 4 penetrating through the first steel plates 3 and the laminated wood main beams 2. In this embodiment, the girder mechanism includes an open-pored balsa girder 2, an open-pored first steel plate 3, a first bolt 4, and the like. The main beam mechanism is formed by opening holes in a plurality of sections of glued wood main beams 2 which are manufactured by factory standardized processing according to span requirements and connecting the holes in the longitudinal direction, then clamping the two sides of the joint of the two adjacent sections of glued wood main beams 2 by using the first steel plates 3 with the openings, and sequentially penetrating through series connection by using first bolts 4 so as to realize the lifting of the main beam mechanism in the span.
In the above embodiment, in order to prevent the first bolt 4 from generating a local pressure to the main laminated wood beam 2 to cause damage, preferably, as shown in fig. 5, the first bolt 4 is sequentially inserted through the spring washer 10, the first steel plate 3 located on one side of the main laminated wood beam 2, the first steel plate 3 located on the other side of the main laminated wood beam 2, and the gasket 11, and then connected with the lock nut 12.
In a specific embodiment, two sides of two ends of the laminated wood beam 8 are respectively provided with a second steel plate 9, that is, one laminated wood beam 8 is connected with the main beam mechanism through four second steel plates 9, the second steel plate 9 is an L-shaped steel plate with a shape matched with the joint of the laminated wood beam 8 and the main beam mechanism, the transverse part of the L-shaped steel plate is bolted with the laminated wood beam 8 through a second bolt 13, and the longitudinal part of the L-shaped steel plate is bolted with the main beam mechanism through a second bolt 13. In this embodiment, the longitudinal portion of the L-shaped steel plate is bolted to the main beam mechanism through the second bolt 13, specifically, the longitudinal portion of the L-shaped steel plate is bolted to the laminated wood main beam 2 of the main beam mechanism through the second bolt 13. The perforated laminated wood beam 8 is spliced with the laminated wood main beam 2, and the single laminated wood beam 8 needs four L-shaped steel plates and is connected with the laminated wood main beam 2 by penetrating through the second bolt 13 so as to realize the transverse connection of each laminated wood main beam 2.
In order to improve the structural strength of the laminated wood support frame, the number of the main beam mechanisms is 4, namely, the laminated wood support frame comprises 4 main beam mechanisms extending along the longitudinal direction.
In a specific embodiment, the laminated wood deck comprises a plurality of transverse laminated wood boards 5 spliced together in the longitudinal direction, and the transverse laminated wood boards 5 are fixed on the main beam mechanism through screws 7. Furthermore, the laminated wood bridge deck further comprises prismatic pattern steel plates 6 which are paved on two transverse sides of a bridge deck formed by splicing a plurality of transverse laminated wood boards 5 and extend along the longitudinal direction, and the prismatic pattern steel plates 6 are formed by splicing a plurality of steel plates. Optionally, the prismatic pattern steel plates 6 are connected with the transverse plywood 5 through screws 7, and the prismatic pattern steel plates 6 can also be directly laid on the transverse plywood 5 and are not connected with each other through other connecting pieces. It is worth mentioning that the bridge deck mechanism can be determined according to the use requirement of the bridge, and can be roughly divided into a pedestrian bridge and a vehicle-mounted bridge. The bridge deck mechanism of the pedestrian bridge comprises a transverse glued wood board 5, screws 7, prismatic pattern steel plates 6, glued wood guardrails 1 and the like, wherein the transverse glued wood board 5 is transversely fixed on the main beam mechanism through the screws 7, and the prismatic pattern steel plates 6 are laid on a bridge deck formed by the transverse glued wood board 5 so as to meet special requirements on the strength of the bridge deck wood board. The bridge deck mechanism of the traveling bridge comprises a transverse glued wood board 5, screws 7, a waterproof layer, an asphalt layer and the like, wherein the transverse glued wood board 5 is lapped on the main beam mechanism and then fixed through the screws 7, then the waterproof layer is laid, and finally the asphalt layer is laid.
It is specific optional, still include the laminated wood guardrail 1, laminated wood guardrail 1 also can be formed by a plurality of guardrails concatenation, 1 detachable of laminated wood guardrail is fixed the both sides of laminated wood decking. More specifically, the laminated wood guard rail 1 is bolted to the laminated wood bridge deck and/or the laminated wood bracing frame.
The technical scheme of the present invention is further explained below by taking a 12m span foot bridge as an example:
in the laminated wood support frame, 4 main beam mechanisms are arranged, the length of each main beam mechanism is 12000mm, and each main beam mechanism is formed by jointing 3 laminated wood main beams 2 with the length of 4000mm, the width of 300mm and the height of 700 mm; the thickness of the first steel plate 3 is 10mm, the length is 1100mm, and the width is 700 mm; the first bolt 4 has a diameter of 20 mm.
In the beam mechanism, the length of the laminated wood beam spacer 8 is 933.3mm, the width is 200mm, and the height is 600 mm; the second steel plate 9 is formed by welding two steel plates with the thickness of 10mm, the length of 600mm and the width of 200mm along the length direction and vertically forming an L shape; the second bolt 13 has a diameter of 10 mm.
In the laminated wood bridge deck, the thickness of a single transverse laminated wood board 5 of the laminated wood bridge deck is 40mm, the length is 3700mm, and the width is 400mm, and then the bridge deck is formed by splicing; the diameter of the screw 7 is 10mm, and the transverse laminated wood board 5 can be fixed on the laminated wood main beam 2 of the main beam mechanism; the thickness of the prismatic pattern steel plate 6 is 5mm, and the width of the prismatic pattern steel plate is 800 mm.
The utility model discloses a construction scheme is according to following step and goes on:
step 1: all components including the laminated wood main beam 2, the laminated wood diaphragm beam 8, the first steel plate 3, the L-shaped second steel plate 9, the first bolt 4, the second bolt 13, the screw 7, the transverse laminated wood plate 5, the diamond pattern steel plate 6 and the like are processed and manufactured in a factory, and then accurate punching is carried out and the components are numbered.
Step 2: all the components are transported to a construction site, the laminated wood main beam 2 is firstly installed and spliced by steel clamping plates and bolts, and after all the main beam mechanisms are spliced, laminated wood diaphragm beams 8 are respectively installed and fixed at the beam ends, the midspan and the 1/4 midspan by L-shaped steel plates and second bolts 13, so that the laminated wood support frame with the beam lattice structure is spliced. And finally, hoisting the whole body to a specified position.
And step 3: and (3) mounting a bridge deck system on the bridge by workers, paving a transverse laminated wood board 5 and fixing the transverse laminated wood board by using screws 7, paving a prismatic pattern steel plate 6 and fixing the prismatic pattern steel plate by using screws 7, and finally mounting the laminated wood guardrail 1 and the like.
To sum up, the utility model discloses a steel splint-bolted connection veneer timber beams bridge has following beneficial technological effect: on one hand, the problems of high energy consumption, serious environmental pollution and the like in the construction of small and medium-span bridges in China can be partially or partially relieved, and the method actively responds to the assembly construction advocated by the nation and the vigorous exhibition of the building of the wood-substitute structure; on the other hand, the method can fully exert the advantages of environment protection, high strength-weight ratio, good anti-seismic performance, high assembly degree, short construction period, harmony, beauty and the like of the laminated wood structure building, and can bring great environmental protection, economy and social benefits to a certain extent when being applied to medium and small-span highway bridges with special requirements on environmental conditions, scenic spot pedestrian bridges with higher requirements on scenic views, and low-grade highway bridges constructed in mountainous areas with special terrains which cannot be realized by equipment required by traditional supports, lifting and other construction processes due to the limitation of terrains.
It is noted that, in the present application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a steel clamp plate-bolted connection veneer timber beams bridge which characterized in that: including the laminwood support frame with lay the laminwood decking on the laminwood support frame, the laminwood support frame includes a plurality of girder mechanisms that extend along longitudinal direction and laminwood beam (8) that extend along transverse direction, girder mechanism is formed through first steel sheet (3) and first bolt (4) concatenation by a plurality of laminwood girder (2), connects through laminwood beam (8) between the adjacent girder mechanism, and the both ends of laminwood beam (8) are passed through second steel sheet (9) and second bolt (13) and are connected with girder mechanism.
2. The steel-sandwich plate-bolt connection glued wood beam bridge of claim 1, wherein: two sides of the joint of the adjacent laminated wood main beams (2) are respectively provided with a first steel plate (3), the laminated wood main beams (2) are clamped by the two first steel plates (3) from two sides, and the bolt connection between the adjacent laminated wood main beams (2) is realized through first bolts (4) penetrating through the first steel plates (3) and the laminated wood main beams (2).
3. The steel-sandwich-plate-bolted-glued wood beam bridge of claim 2, wherein: the first bolt (4) sequentially penetrates through a spring washer (10), a first steel plate (3) located on one side of the laminated wood main beam (2), the first steel plate (3) located on the other side of the laminated wood main beam (2) and a gasket (11) and then is connected with a locking nut (12).
4. The steel-sandwich plate-bolt connection glued wood beam bridge of claim 1, wherein: the two sides of the two ends of the laminated wood transverse partition beam (8) are respectively provided with a second steel plate (9), the second steel plates (9) are L-shaped steel plates matched with the shape of the joint of the laminated wood transverse partition beam (8) and the main beam mechanism, the transverse parts of the L-shaped steel plates are connected with the laminated wood transverse partition beam (8) through second bolts (13) in a bolt mode, and the longitudinal parts of the L-shaped steel plates are connected with the main beam mechanism through second bolts (13) in a bolt mode.
5. The steel-sandwich plate-bolt connection glued wood beam bridge of claim 1, wherein: the number of the main beam mechanisms is 4.
6. The steel-sandwich plate-bolted glued wood beam bridge of any one of claims 1 to 5, wherein: the laminated wood bridge deck comprises a plurality of transverse laminated wood boards (5) spliced together along the longitudinal direction, and the transverse laminated wood boards (5) are fixed on a main beam mechanism through screws (7).
7. The steel-sandwich plate-bolt connection glued wood beam bridge of claim 6, wherein: the laminated wood bridge deck further comprises prismatic pattern steel plates (6) which are paved on two transverse sides of a bridge deck formed by splicing a plurality of transverse laminated wood boards (5) and extend along the longitudinal direction.
8. The steel-sandwich plate-bolt connection glued wood beam bridge of claim 7, wherein: the prismatic pattern steel plate (6) is connected with the transverse plywood (5) through screws (7).
9. The steel-sandwich plate-bolted glued wood beam bridge of any one of claims 1 to 5, wherein: the laminated wood bridge deck is characterized by further comprising laminated wood guardrails (1), wherein the laminated wood guardrails (1) are detachably fixed on two sides of the laminated wood bridge deck.
10. The steel-sandwich plate-bolted laminated wood beam bridge of claim 9, wherein: the laminated wood guardrail (1) is connected with the laminated wood bridge deck and/or the laminated wood support frame through bolts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022012205.5U CN213358298U (en) | 2020-09-15 | 2020-09-15 | Steel splint-bolt connection glued wood beam bridge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022012205.5U CN213358298U (en) | 2020-09-15 | 2020-09-15 | Steel splint-bolt connection glued wood beam bridge |
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| CN213358298U true CN213358298U (en) | 2021-06-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592597A (en) * | 2022-03-23 | 2022-06-07 | 四川省建筑设计研究院有限公司 | Prestressed laminated wood steel filler plate bolt connecting joint |
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2020
- 2020-09-15 CN CN202022012205.5U patent/CN213358298U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592597A (en) * | 2022-03-23 | 2022-06-07 | 四川省建筑设计研究院有限公司 | Prestressed laminated wood steel filler plate bolt connecting joint |
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