CN213925800U - Assembly type hollow slab bridge with reinforced hinge joint - Google Patents
Assembly type hollow slab bridge with reinforced hinge joint Download PDFInfo
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- CN213925800U CN213925800U CN202022159206.2U CN202022159206U CN213925800U CN 213925800 U CN213925800 U CN 213925800U CN 202022159206 U CN202022159206 U CN 202022159206U CN 213925800 U CN213925800 U CN 213925800U
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Abstract
The utility model discloses a set up assembled hollow slab bridge of strenghthened type hinge joint comprises the assembly of multi-disc hollow core slab, transversely links to each other through the hinge joint between the adjacent hollow core slab, and hollow core slab includes hollow core slab medium plate and hollow core slab sideboard, fixes steel construction braced system between the web of hollow core slab sideboard and cantilever. The web plates on two sides of the hollow plate middle plate are provided with convex and concave outer edges, the web plates of the hollow plate middle plate are provided with steel structure connecting plates at the middle and end parts of the bridge span, and transverse connecting studs are embedded on the web plate convex surface, the web plate concave surface and the bottom plate of the hollow plate middle plate; one side web of hollow core slab sideboard is provided with protruding spill outward flange, and the web of hollow core slab sideboard is equipped with the steel construction connecting plate in the bridge strides with the tip, the utility model discloses a setting up of protruding spill hinge joint in the bridge type and steel construction connecting plate makes the transverse connection of hollow core slab more reliable, has avoided the hinge joint disease to take place, and steel construction cantilever braced system can increase the width of sideboard cantilever, saves the cost.
Description
Technical Field
The utility model relates to a transportation industry bridge culvert engineering field specifically is to a set up assembled hollow slab bridge of strenghthened type hinge seam.
Background
The fabricated prestressed concrete hollow slab bridge is used as a prefabricated bridge with a conventional span, and is widely applied to small and medium-span bridges in modern highways due to the advantages of simple structure, convenience in construction, lower manufacturing cost, easiness in standardized manufacturing and construction and the like. The hollow slabs of the traditional assembled prestressed concrete hollow slab bridge are transversely connected into a whole through concrete hinges to bear the load of vehicles on the upper part together, various diseases can appear on the hollow slab bridge after a plurality of years along with the increase of traffic and the increase of overloaded vehicles during the operation of the bridge, wherein the most typical and serious diseases are longitudinal cracking, crushing and falling of the concrete hinges, the damage and the damage of the hinges greatly weaken the transverse connection of the hollow slabs to influence the driving safety and the service function of the bridge, and the related maintenance and the repair reinforcement cost is increased year by year.
Disclosure of Invention
The utility model discloses an aim at overcoming the concrete hinge joint vertical fracture of assembled prestressed concrete hollow slab bridge, it is broken, the damage of coming off and hinge joint, an assembled hollow slab bridge who sets up strenghthened type hinge joint is provided, in order to improve the connection structure of each board of hollow slab and hinge joint, improve the transverse connection ability of hollow slab bridge, guarantee the reliability of whole atress, avoid the disease of hinge joint, improve the durability of bridge, the travelling comfort, and increase the cantilever width of sideboard, reduce hollow slab quantity, save material quantity, reduce engineering cost, it is more reasonable to form a transverse connection, the durability is stronger, more have the hollow slab bridge of application prospect. The utility model discloses a set up assembled hollow slab bridge of strenghthened type hinge joint guarantees the reliability and the durability that the hinge joint is connected with hollow slab in the operation process, improves the whole atress performance of bridge, prevents the hinge joint disease, has important meaning.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a set up assembled hollow slab bridge of strenghthened type hinge seam, comprises the assembly of multi-disc hollow core slab, transversely links to each other its characterized in that through the hinge seam between the adjacent hollow core slab: the prefabricated hollow slab comprises a hollow slab middle slab and a hollow slab side slab, and a steel structure supporting system is fixed between a web plate and a cantilever of the hollow slab side slab.
In the scheme, the hollow plate middle plate is of a precast prestressed concrete plate structure, a hollow hole is arranged in the plate, a middle plate prestressed steel bundle is arranged in a web plate of the hollow plate middle plate, convex-concave outer edges are arranged on web plates on two sides of the hollow plate middle plate, a middle plate web plate concave surface stud is pre-buried on a web plate concave surface of the hollow plate middle plate, a middle plate web plate convex surface stud is pre-buried on a web plate convex surface of the hollow plate middle plate, the length of the middle plate web plate concave surface stud is longer than that of the middle plate web plate convex surface stud, a middle plate bottom plate stud is pre-buried on a bottom plate of the hollow plate middle plate, a middle plate web plate concave surface stud, a middle plate web plate convex surface stud and a middle plate bottom plate stud are pre-disposed at intervals of 1/18-1/14 of the span of the bridge along the longitudinal direction of the bridge, a middle plate connecting plate is arranged at the middle part and the end part of the bridge span of the hollow plate middle plate, a plurality of rows of steel structure connecting plates are arranged on the middle plate connecting plates reserved holes, the longitudinal steel bar of the middle plate is arranged in a preformed hole of the steel structure connecting plate of the middle plate.
In the scheme, the hollow plate side plate adopts a precast prestressed concrete plate type structure, a hollow hole is arranged in the plate, a cantilever is arranged at the plate edge, a side plate prestressed steel bundle is arranged in a web plate of the hollow plate side plate, a convex-concave outer edge is arranged on a web plate of one side of the hollow plate side plate, a steel structure supporting system is fixed between the other side web plate and the cantilever, a side plate web concave surface bolt nail is pre-embedded on a web plate concave surface of the hollow plate side plate, a side plate web convex surface bolt nail is pre-embedded on a web plate convex surface of the hollow plate side plate, the length of the side plate web concave surface bolt nail is longer than that of the side plate web convex surface bolt nail, a side plate bottom plate bolt nail is pre-embedded on a bottom plate of the hollow plate side plate, the side plate web concave surface bolt nail, the side plate web convex surface bolt nail and the side plate bottom plate bolt nail are 1/18-1/14 of the span of the bridge along the longitudinal arrangement interval of the bridge, and a bridge side plate connecting plate is arranged at the web plate and the end of the bridge span, be provided with multirow sideboard steel construction connecting plate preformed hole on the sideboard steel construction connecting plate, the vertical reinforcing bar setting of sideboard is in sideboard steel construction connecting plate preformed hole, the web of hollow slab sideboard is provided with the pre-buried bolt of sideboard web and the pre-buried steel sheet of sideboard web, the cantilever of hollow slab sideboard is provided with the pre-buried bolt of sideboard cantilever, with the pre-buried steel sheet of sideboard cantilever, the pre-buried bolt department of sideboard web is provided with web reinforcing bar net, the pre-buried bolt department of sideboard cantilever is provided with cantilever reinforcing bar net.
In the scheme, the steel structure supporting system is formed by welding a steel structure inclined strut, a steel structure cross strut and a steel structure vertical support, the steel structure inclined strut is a steel structure with an I-shaped section, the steel structure cross strut is a steel structure with an I-shaped section, a steel structure cross strut preformed hole is formed in a top plate of the steel structure cross strut, and the steel structure cross strut is connected with a cantilever of a side plate of a hollow plate in an anchoring mode through a side plate cantilever embedded bolt and a side plate cantilever embedded steel plate; the steel structure vertical braces are steel structures with I-shaped cross sections, steel structure vertical brace preformed holes are formed in the side plates, and the steel structure vertical braces are connected with webs of the side plates of the hollow plates through embedded bolts of the side plates and embedded steel plate anchors of the side plates and the webs. The steel structure supporting systems 4 are respectively arranged at the end part, the midspan and the 1/4 bridge span of the bridge.
In the scheme, the hinge joint comprises concrete in the hinge joint and longitudinal hinge joint reinforcing steel bars in the concrete, the longitudinal hinge joint reinforcing steel bars are inserted into the preformed hole of the middle plate steel structure connecting plate and the preformed hole of the side plate steel structure connecting plate, and the concrete in the hinge joint is provided with the concave-convex outer edge in shape and is matched with the outer edge of the web plate of the hollow plate middle plate or the hollow plate side plate. The concrete grade of the concrete in the hinge joint is the same as that of the middle plate and the side plate of the hollow plate.
The utility model provides a set up assembled hollow slab bridge of strenghthened type hinge joint, construction method is: firstly prefabricating a hollow slab middle slab and a hollow slab side slab, pre-burying and arranging corresponding middle slab web concave surface studs, middle slab web convex surface studs, middle slab bottom slab studs and middle slab steel structure connecting plates in the hollow slab middle slab, pre-burying and arranging corresponding side slab web concave surface studs, side slab web convex surface studs, side slab bottom slab studs and side slab steel structure connecting plates in the hollow slab side slab, splicing and assembling steel structure supporting systems at corresponding positions, then hoisting the hollow slab side slab and the hollow slab middle slab to corresponding bridge positions to form hinges, binding hinge longitudinal steel bars in the hinge longitudinal holes of the middle slab steel structure connecting plate and the side slab steel structure connecting plate, pouring concrete in the hinges, transversely connecting the bridge into a whole, finally pouring a concrete cast-in-situ layer on the top slab of the hollow slab middle slab and the top slab of the hollow slab side slab, and laying a bridge deck asphalt pavement layer, and constructing the concrete anti-collision guardrail.
Compared with the prior art, the utility model following beneficial effect and advantage have:
one is as follows: the edge plates of the hollow plate and the web plate edge of the middle plate are arranged into convex-concave shapes, convex-concave hinge joints are formed after assembly and splicing, the contact area of concrete and the web plate of the hollow plate in the hinge joints can be increased, the shearing resistance of the connecting parts is greatly improved, and the convex-concave surfaces in the hinge joints are alternately arranged to improve the reliability of upper load transmission.
The second step is as follows: steel studs are embedded in the convex surface, the concave surface and the bottom plate of the web plate of the hollow slab, and the studs and the concrete in the hinge joint are combined to cooperatively bear force, so that the relative displacement dislocation between the hinge joint concrete and the hollow slab can be resisted, and the hinge joint of the hollow slab is more reliable and durable in connection.
And thirdly: the steel structure connecting plate is arranged at the middle span and the end part of the hollow slab, so that the integrity of the hollow slab is greatly enhanced, the ductility of the hollow slab is improved, the steel structure connecting plate can transmit and bear transverse bending moment, and the bearing capacity of the bridge in the transverse direction is increased.
Fourthly, the method comprises the following steps: set up steel construction braced system between the web of sideboard and the roof, can show the cantilever width of increase sideboard, under the same bridge width, the hollow slab quantity that needs to use reduces, has saved the material quantity, has reduced engineering cost.
Drawings
Fig. 1 is a three-dimensional layout view of the present invention;
FIG. 2 is a cross-sectional view of the steel structure connecting plate of the present invention;
FIG. 3 is a cross-sectional view of the stud of the present invention;
FIG. 4 is a three-dimensional layout view of the middle plate of the hollow slab of the present invention;
FIG. 5 is a three-dimensional layout view of the hollow core slab of the present invention;
FIG. 6 is a three-dimensional arrangement view of concrete in the hinge joint of the present invention;
FIG. 7 is a three-dimensional layout view of the steel structure supporting system of the present invention;
FIG. 8 is a cross-sectional view of the middle plate at the steel structure connecting plate of the present invention;
FIG. 9 is a cross-sectional view of the middle plate at the stud of the present invention;
FIG. 10 is a cross-sectional view of the side plate at the connecting plate of the steel structure of the present invention;
FIG. 11 is a cross-sectional view of the side plate at the stud of the present invention;
fig. 12 is a schematic view of the connection between two middle plates at the steel structure connection plate of the present invention;
FIG. 13 is a schematic view showing the connection of two middle plates at the position of the stud according to the present invention;
fig. 14 is a schematic view of the connection between the middle plate and the side plate at the steel structure connecting plate of the present invention;
FIG. 15 is a schematic view of the connection between the middle plate and the side plate at the stud;
fig. 16 is a perspective view of the steel structure connecting plate between the middle plates according to the present invention;
fig. 17 is a perspective view of the middle plate steel structure connecting plate and the side plate steel structure connecting plate of the present invention;
fig. 18 is a middle plate vertical plane layout diagram of the present invention;
fig. 19 is a plan view of the middle plate of the present invention;
fig. 20 is a schematic plane view illustrating the connection of two adjacent middle plates according to the present invention;
fig. 21 is a vertical layout view of the sideboard of the present invention;
fig. 22 is a side panel layout view of the present invention;
fig. 23 is a schematic plane view of the connection between the middle plate and the side plate according to the present invention;
in the attached drawings, 1, a hollow slab middle plate; 11. a middle plate web concave surface stud; 12. convex surface studs of the middle plate web; 13. middle plate bottom plate studs; 14. a middle plate steel structure connecting plate; 14a, reserving holes in the middle plate steel structure connecting plate; 17. longitudinal steel bars of the middle plate; 18. the prestressed steel bundles of the middle plate; 2. hollow core slab edge plates; 21. side plate web concave surface studs; 22. side plate web convex surface studs; 23. side plate bottom plate studs; 24. a side plate steel structure connecting plate; 24a, reserving holes for the side plate steel structure connecting plates; 25. embedding bolts in the side plate webs; 25a, embedding a steel plate in the side plate web; 26. embedding bolts in the side plate cantilever; 26a, embedding steel plates 27 and longitudinal reinforcing steel bars of the side plates in cantilever manner; 28. the prestressed steel bundles of the side plate; 29. reinforcing the reinforcing mesh by the web plate; 29a, cantilever reinforcing steel bar meshes; 3. hinging and sewing; 31. concrete in the hinge joint; 32. hinging longitudinal steel bars; 4. a steel structural support system; 41. a steel structure diagonal bracing; 42. a steel structure cross brace; 42a, reserving holes for steel structure cross braces; 43. the steel structure is vertically supported; 43a, vertically supporting a preformed hole by a steel structure; 5. a concrete cast-in-place layer; 6. a bridge deck asphalt pavement layer; 7. concrete crash barrier.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, fig. 2 and fig. 3, the utility model discloses a set up assembled hollow slab bridge of strenghthened type hinge joint comprises the assembly of multi-disc hollow core slab, transversely links to each other its characterized in that through hinge joint 3 between the adjacent hollow core slab: the prefabricated hollow slab comprises a hollow slab middle plate 1 and a hollow slab side plate 2, and a steel structure supporting system 4 is fixed between a web plate and a cantilever of the hollow slab side plate 2.
As shown in fig. 4, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 23, the hollow slab middle slab 1 is of a precast prestressed concrete slab structure, a hollow hole is formed in the slab, a middle slab prestressed steel bundle 18 is arranged in a web of the hollow slab middle slab 1, both side webs of the hollow slab middle slab 1 are provided with convex-concave outer edges, a middle slab web concave bolt 11 is pre-embedded on a web concave surface of the hollow slab middle slab 1, a middle slab convex bolt 12 is pre-embedded on a web convex surface of the hollow slab middle slab 1, the length of the middle slab web concave bolt 11 is longer than that of the middle slab web convex bolt 12, a middle slab bottom slab bolt 13 is pre-embedded on a bottom slab of the hollow slab middle slab 1, the middle slab web concave bolt 11, the middle slab web convex bolt 12, and the middle slab bolt 13 are arranged at 1/18-1/14 intervals along the longitudinal direction of the bridge, the web of hollow slab middle plate 1 is equipped with middle plate steel structure connecting plate 14 in the bridge strides with the tip, is provided with multirow middle plate steel structure connecting plate preformed hole 14a on middle plate steel structure connecting plate 14, and middle plate longitudinal reinforcement 17 sets up in middle plate steel structure connecting plate preformed hole 14 a.
As shown in fig. 5, fig. 10, fig. 11, fig. 14, fig. 15, fig. 17, fig. 21, fig. 22 and fig. 23, the hollow plate side plate 2 is of a prefabricated prestressed concrete plate type structure, a hollow hole is formed in the plate, a cantilever is arranged at the plate edge, a side plate prestressed steel bundle 28 is arranged in a web plate of the hollow plate side plate 2, a convex-concave edge is arranged on the web plate at one side of the hollow plate side plate 2, a steel structure supporting system 4 is fixed between the web plate at the other side and the cantilever, a side plate web concave surface bolt 21 is pre-embedded and arranged on a web plate concave surface of the hollow plate side plate 2, a side plate web convex surface bolt 22 is pre-embedded and arranged on a web plate convex surface of the hollow plate side plate 2, the length of the side plate web concave surface bolt 21 is longer than that of the side plate web convex surface bolt 22, a side plate bottom plate bolt 23 is pre-embedded and arranged on a bottom plate of the hollow plate side plate 2, and the side plate web plate concave surface bolt 21, the side plate convex surface bolt 22, the side plate bottom plate bolt 23 is longitudinally arranged along the bridge at a span interval of 1/18-1/14 The utility model discloses a bridge structure, hollow core plate sideboard 2's web is equipped with sideboard steel structure connecting plate 24 with the tip in the bridge is striden, be provided with multirow sideboard steel structure connecting plate preformed hole 24a on the sideboard steel structure connecting plate 24, sideboard longitudinal reinforcement 27 sets up in sideboard steel structure connecting plate preformed hole 24a, hollow core plate sideboard 2's web is provided with sideboard web embedded bolt 25 and sideboard web embedded steel board 25a, hollow core plate sideboard 2's cantilever is provided with sideboard cantilever embedded bolt 26, with sideboard cantilever embedded steel board 26a, sideboard web embedded bolt 25 department is provided with web reinforcing mesh 29, sideboard cantilever embedded bolt 26 department is provided with cantilever reinforcing mesh 29 a.
As shown in fig. 7, 10 and 11, the steel structure support system 4 is formed by welding a steel structure diagonal brace 41, a steel structure cross brace 42 and a steel structure vertical support 43, the steel structure diagonal brace 41 is a steel structure with an i-shaped cross section, the steel structure cross brace 42 is a steel structure with an i-shaped cross section, a steel structure cross brace preformed hole 42a is formed in a top plate of the steel structure cross brace 42, and the steel structure cross brace 42 is connected with a cantilever of the hollow slab side slab 2 in an anchoring manner through a side slab cantilever embedded bolt 26 and a side slab cantilever embedded steel plate 26 a; steel construction vertical braces 43 is the steel construction of I-shaped cross-section, is provided with steel construction vertical braces preformed hole 43a on the curb plate, and steel construction vertical braces 43 passes through sideboard web embedded bolt 25, the embedded steel sheet of sideboard web 25a anchor connection with the web of hollow plate sideboard 2. The steel structure supporting systems 4 are respectively arranged at the end part, the midspan and the 1/4 bridge span of the bridge.
As shown in fig. 6, 12, 13, 14 and 15, the hinge joint 3 includes hinge joint middle concrete 31 and hinge joint longitudinal steel bars 32 in the concrete, the hinge joint longitudinal steel bars 32 are inserted into the middle plate steel structure connecting plate preformed holes 14a and the sideboard steel structure connecting plate preformed holes 24a, and the shape of the hinge joint middle concrete 31 is provided with a convex-concave outer edge and matched with the outer edge of the web plate of the hollow plate middle plate 1 or the hollow plate sideboard 2. The concrete grade of the concrete 31 in the hinge joint is the same as that of the middle plate 1 and the side plate 2 of the hollow plate.
Example (b):
a certain highway prestressed concrete letter props hollow slab bridge, the span is 20m for single striding, and the total width of bridge floor is 16m, two-way 4 motor vehicle ways, like figure 1 ~ 3, adopts the utility model provides a set up assembled hollow slab bridge of strenghthened type hinge seam, by nine medium plates 1 and two 2 prefabricated constitutions of sideboard. Referring to FIG. 4, the plate height of the middle plate 1 of the hollow plate is 950mm, the plate width of the middle plate 1 is 1250mm, the top plate width is 995mm, referring to FIG. 5, the plate height of the side plate 2 of the hollow plate is 950mm, the plate width of the bottom plate of the side plate 2 is 1250mm, the cantilever width of the side plate 2 is 1125mm, the longitudinal distance between the middle plate web concave surface stud 11, the middle plate web convex surface stud 12 and the middle plate bottom plate stud 13 along the middle plate is 1.3m, the longitudinal distance between the side plate web concave surface stud 21, the side plate web convex surface stud 22 and the side plate bottom plate stud 23 along the side plate is 1.3m, the steel structure support system 4 is arranged at the end part, the midspan and the 1/4 bridge span, the full bridge is provided with ten sets of steel structure support systems 4 between the side plate web and the cantilever plate, the web of the middle plate 1 is provided with the middle plate steel structure connection plate 14 at the midspan and the end part of the bridge, the web plate of the side plate 2 is provided with the steel structure connection plate 24 at the midspan and the end part of the bridge span, the full bridge is provided with fifty-four middle plate steel structure connecting plates 14 and six side plate steel structure connecting plates 24. When in construction, firstly prefabricating a hollow slab middle plate 1 and a hollow slab side plate 2, pre-burying corresponding middle plate web concave surface studs 11, middle plate web convex surface studs 12, middle plate bottom plate studs 13 and middle plate steel structure connecting plates 14 in the hollow slab middle plate 1, pre-burying corresponding side plate web concave surface studs 21, side plate web convex surface studs 22, side plate bottom plate studs 23 and side plate steel structure connecting plates 24 in the hollow slab side plate 2, splicing and assembling steel structure supporting systems 4 at corresponding positions, then hoisting the hollow slab side plate 2 and the hollow slab middle plate 1 to corresponding bridge positions to form hinges 3, binding hinge longitudinal steel bars 32 in hinge steel structure connecting plate preformed holes 14a and side plate steel structure connecting plate preformed holes 24a in the hinges 3, pouring concrete 31 in the hinges to enable the bridge to be transversely connected into a whole, and finally pouring a concrete cast-in-place layer 5 on a top plate of the hollow slab middle plate 1 and a top plate of the hollow slab side plate 2, and paving a bridge surface asphalt pavement layer 6 and constructing a concrete crash barrier 7. The utility model provides a pair of set up assembled hollow slab bridge of strenghthened type hinge joint compares with traditional prestressed concrete hollow slab bridge, and protruding spill is set to the web edge of the sideboard of hollow slab and medium plate, forms protruding spill hinge joint after the assembly concatenation, can increase the hinge joint in concrete and the area of contact of hollow slab web, increase substantially the ability of shearing of connection position to the alternative setting of concave surface has improved the reliability of upper portion load transmission in the hinge joint. Steel studs are embedded in the convex surface, the concave surface and the bottom plate of the web plate of the hollow slab, and the studs and the concrete in the hinge joint are combined to cooperatively bear force, so that the relative displacement dislocation between the hinge joint concrete and the hollow slab can be resisted, and the hinge joint of the hollow slab is more reliable and durable in connection. The steel structure connecting plate is arranged at the middle span and the end part of the hollow slab, so that the integrity of the hollow slab is greatly enhanced, the ductility of the hollow slab is improved, the steel structure connecting plate can transmit and bear transverse bending moment, and the bearing capacity of the bridge in the transverse direction is increased. Set up steel construction braced system between the web of sideboard and the roof, can show the cantilever width of increase sideboard, under the same bridge width, the hollow slab quantity that needs to use reduces, has saved the material quantity, has reduced engineering cost.
Claims (6)
1. The utility model provides a set up assembled hollow slab bridge of strenghthened type hinge seam constitutes by the assembly of multi-disc hollow core slab, transversely links to each other its characterized in that through hinge seam (3) between the adjacent hollow core slab: the prefabricated hollow slab comprises a hollow slab middle plate (1) and a hollow slab side plate (2), a steel structure supporting system (4) is fixed between a web plate of the hollow slab side plate (2) and a cantilever, a hinge joint (3) comprises concrete (31) and longitudinal hinge joint steel bars (32) in the concrete in the hinge joint, the longitudinal hinge joint steel bars (32) are inserted into a middle plate steel structure connecting plate reserved hole (14 a) of the hollow slab middle plate (1) and a side plate steel structure connecting plate reserved hole (24 a) of the hollow slab side plate (2), and the concrete (31) in the hinge joint is provided with a concave-convex outer edge and is matched with the web plate outer edge of the hollow slab middle plate (1) or the hollow slab side plate (2).
2. The assembled hollow slab bridge provided with the reinforced hinge joint as claimed in claim 1, wherein: the hollow slab middle plate (1) adopts a precast prestressed concrete plate structure, hollow holes are arranged in the slab, a middle slab prestressed steel bundle (18) is arranged in a web plate of the hollow slab middle plate (1), convex-concave outer edges are arranged on web plates on two sides of the hollow slab middle plate (1), a middle slab web plate concave surface stud (11) is pre-buried on a web plate concave surface of the hollow slab middle plate (1), a middle slab web plate convex surface stud (12) is pre-buried on a web plate convex surface of the hollow slab middle plate (1), the length of the middle slab web plate concave surface stud (11) is longer than that of the middle slab web plate convex surface stud (12), a middle slab bottom plate stud (13) is pre-buried on a bottom plate of the hollow slab middle plate (1), the setting intervals of the web plate concave surface stud (11), the middle slab web plate convex surface stud (12) and the middle slab bottom plate stud (13) along the longitudinal direction of the bridge are 1/18-1/14 of the span of the bridge, the web of hollow slab middle plate (1) is equipped with middle plate steel structure connecting plate (14) in the bridge is striden with the tip, is provided with multirow middle plate steel structure connecting plate preformed hole (14 a) on middle plate steel structure connecting plate (14), and middle plate longitudinal reinforcement (17) set up in middle plate steel structure connecting plate preformed hole (14 a).
3. The assembled hollow slab bridge provided with the reinforced hinge joint as claimed in claim 1 or 2, wherein: hollow core slab sideboard (2) adopt precast prestressed concrete slab structure, be equipped with hollow hole in the board, the flange limit is equipped with the cantilever, be provided with sideboard prestressed steel bundle (28) in the web of hollow core slab sideboard (2), one side web of hollow core slab sideboard (2) is provided with protruding spill outward flange, be fixed with steel construction braced system (4) between opposite side web and cantilever, pre-buried sideboard web concave surface peg (21) that is provided with on the web concave surface of hollow core slab sideboard (2), pre-buried sideboard web convex surface peg (22) that is provided with on the web convex surface of hollow core slab sideboard (2), the length of sideboard web concave surface peg (21) is longer than the length of sideboard web convex surface peg (22), pre-buried sideboard bottom board peg (23) that is provided with on the bottom plate of hollow core slab sideboard (2), sideboard web concave surface peg (21), sideboard web convex surface peg (22), sideboard bottom board peg (23) along the longitudinal setting up the interval of bridge 1/18~1 that stride footpath 14, the web of hollow slab sideboard (2) is equipped with sideboard steel structure connecting plate (24) in the bridge span with the tip, be provided with multirow sideboard steel structure connecting plate preformed hole (24 a) on sideboard steel structure connecting plate (24), sideboard longitudinal reinforcement (27) set up in sideboard steel structure connecting plate preformed hole (24 a), the web of hollow slab sideboard (2) is provided with sideboard web embedded bolt (25) and sideboard web embedded steel sheet (25 a), the cantilever of hollow slab sideboard (2) is provided with sideboard cantilever embedded bolt (26), and sideboard cantilever embedded steel sheet (26 a), sideboard web embedded bolt (25) department is provided with web reinforcing mesh (29), sideboard cantilever embedded bolt (26) department is provided with cantilever reinforcing mesh (29 a).
4. The assembled hollow slab bridge provided with the reinforced hinge joint as claimed in claim 3, wherein: the steel structure supporting system (4) is formed by welding a steel structure inclined strut (41), a steel structure cross strut (42) and a steel structure vertical support (43), the steel structure inclined strut (41) is a steel structure with an I-shaped section, the steel structure cross strut (42) is a steel structure with an I-shaped section, a steel structure cross strut preformed hole (42 a) is formed in the top plate of the steel structure cross strut (42), and the steel structure cross strut (42) is in anchoring connection with a cantilever of the side plate (2) of the hollow plate through a side plate cantilever embedded bolt (26) and a side plate cantilever embedded steel plate (26 a); steel construction vertical braces (43) are the steel construction of I shape cross-section, are provided with steel construction vertical braces preformed hole (43 a) on the curb plate, and steel construction vertical braces (43) pass through sideboard web embedded bolt (25), sideboard web embedded steel sheet (25 a) anchor with the web of hollow plate sideboard (2) and are connected.
5. The assembled hollow slab bridge provided with the reinforced hinge joint as claimed in claim 4, wherein: the steel structure supporting systems (4) are respectively arranged at the end part, the midspan and the 1/4 bridge span of the bridge.
6. The assembled hollow slab bridge provided with the reinforced hinge joint as claimed in claim 1, wherein: the concrete grade of concrete (31) in the hinge joint is the same as that of the hollow slab middle slab (1) and the hollow slab side slab (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022159206.2U CN213925800U (en) | 2020-09-27 | 2020-09-27 | Assembly type hollow slab bridge with reinforced hinge joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022159206.2U CN213925800U (en) | 2020-09-27 | 2020-09-27 | Assembly type hollow slab bridge with reinforced hinge joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213925800U true CN213925800U (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022159206.2U Active CN213925800U (en) | 2020-09-27 | 2020-09-27 | Assembly type hollow slab bridge with reinforced hinge joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213925800U (en) |
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2020
- 2020-09-27 CN CN202022159206.2U patent/CN213925800U/en active Active
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