CN216040604U - Prefabricated combined T-beam structure - Google Patents

Prefabricated combined T-beam structure Download PDF

Info

Publication number
CN216040604U
CN216040604U CN202121937572.4U CN202121937572U CN216040604U CN 216040604 U CN216040604 U CN 216040604U CN 202121937572 U CN202121937572 U CN 202121937572U CN 216040604 U CN216040604 U CN 216040604U
Authority
CN
China
Prior art keywords
steel
plate
stirrup
diaphragm
web
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121937572.4U
Other languages
Chinese (zh)
Inventor
林上顺
暨邦冲
叶世集
林永捷
陈治雄
郭兴
林玉莲
林昕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Rongsheng Municipal Engineering Co ltd
Fuzhou Peiyan Engineering Technology Co ltd
Fujian University of Technology
Original Assignee
Fujian Rongsheng Municipal Engineering Co ltd
Fuzhou Peiyan Engineering Technology Co ltd
Fujian University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian Rongsheng Municipal Engineering Co ltd, Fuzhou Peiyan Engineering Technology Co ltd, Fujian University of Technology filed Critical Fujian Rongsheng Municipal Engineering Co ltd
Priority to CN202121937572.4U priority Critical patent/CN216040604U/en
Application granted granted Critical
Publication of CN216040604U publication Critical patent/CN216040604U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Bridges Or Land Bridges (AREA)

Abstract

The utility model discloses a prefabricated combined T-beam structure, which comprises a bridge deck pavement layer cast-in-place bridge deck slab serving as a bridge, steel ribs, T-shaped beams, diaphragm plates and wet joints; the cast-in-place bridge deck is used as a bridge deck pavement layer of the bridge, so that the construction steps are simplified, the materials are saved, and the construction cost and the construction period are reduced; the prefabricated combined T-shaped beams are connected together through the diaphragm plates and the wet joints, so that the integrity of the main beams of the bridge can be improved, and the main beams can well participate in stress. The PBL connection mode is adopted by opening holes at the contact part of the steel rib and the top plate stirrup as well as the web stirrup, and the PBL connection mode is adopted by welding at the contact part of the steel rib and the horseshoe stirrup, so that the top plate stirrup, the web stirrup and the horseshoe stirrup can be conveniently fixed, and the top plate longitudinal steel bar, the web plate longitudinal steel bar and the horseshoe longitudinal steel bar can be conveniently bound; from the stress and structure perspective, the slippage between the steel ribs and the concrete material is also prevented, so that the steel ribs are more fully involved in bearing.

Description

Prefabricated combined T-beam structure
Technical Field
The utility model relates to the technical field of bridge engineering, in particular to a prefabricated combined T-beam structure.
Background
The ultra-high performance concrete (UHPC for short) is a cement-based composite material with ultrahigh strength, high toughness, high durability and good volume stability, also has extremely low permeability, higher environmental medium erosion resistance and good wear resistance, can adapt to severe environment, and can effectively reduce the dead weight of the structure and improve the crack resistance of a bridge by adopting the UHPC in the structure. However, the difference between the elasticity modulus of the concrete and the elasticity modulus of common concrete is not large, and in order to reduce the self weight of the structure in the design, the structure size smaller than that of the common concrete member is usually adopted, and the undersized structure size easily causes the rigidity of the structure to be lower, so that the structure generates larger deformation.
In order to solve the problems, a prefabricated combined T-shaped beam structure is provided, UHPC is used in the structure, so that the structure has lighter self weight and smaller structure size, and also has excellent mechanical property and spanning capability, is convenient for construction and hoisting, and is suitable for various engineering environments; meanwhile, the structure needs to have better durability than a steel structure and a traditional concrete structure so as to reduce the maintenance and repair cost in the middle and later periods of the project.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the structure has the advantages of light dead weight, small section size, convenient construction, high bearing capacity and high rigidity.
In order to solve the technical problems, the utility model adopts the technical scheme that: a prefabricated combined T-beam structure comprises a bridge deck pavement layer cast-in-place bridge deck slab serving as a bridge, steel ribs, T-shaped beams, transverse clapboards and wet joints;
a top plate stirrup and a top plate longitudinal steel bar which are connected in a longitudinal and transverse mode are arranged in the cast-in-place bridge deck;
the T-shaped beam comprises a horseshoe, a web plate and two flange plates;
a horseshoe stirrup, a horseshoe longitudinal steel bar and a horseshoe prestress steel beam are arranged in the horseshoe;
a web stirrup and a web longitudinal steel bar which are connected in a longitudinal and transverse mode are arranged in the web;
the flange plate is connected with the bottom surface of the cast-in-place bridge deck plate;
the steel rib is arranged in the web plate, a hole is formed in the contact part of the steel rib, the top plate stirrup and the web plate stirrup and is connected in a PBL (PBL) connection mode, and the contact part of the steel rib and the horseshoe stirrup is welded to form an integral framework;
the diaphragm plate and the wet joint are used for connecting the T-shaped beam, and a diaphragm plate stirrup, a diaphragm plate longitudinal steel bar, a diaphragm plate longitudinal short steel bar, a diaphragm plate steel rib, a connecting bolt, a connecting steel plate, a top plate reinforcing steel bar and mortar are arranged in the diaphragm plate;
the transverse partition plates between the transversely adjacent T-shaped beams are connected with the connecting steel plates through transverse partition plate steel ribs and connecting bolts, and mortar is used for filling gaps between interfaces at the connecting positions;
the diaphragm plate steel rib is provided with an opening, and the diaphragm plate stirrup and the connecting bolt penetrate through the opening to be connected with each other to form a whole;
the top plate reinforcing steel bars penetrate into the flange plates;
and wet joint reinforcing steel bars are arranged in the wet joints.
Furthermore, a top plate prestressed steel strand is arranged in the cast-in-place bridge deck.
Furthermore, a hoisting preformed hole is formed in the joint of the diaphragm plate and the web plate.
Furthermore, a baffle is arranged on one side of the flange plate at the bridge edge beam.
Further, the thickness of the cast-in-place bridge deck is 0.1m-0.3m, and the cast-in-place bridge deck is made of common concrete.
Further, the thickness of the steel rib is 0.02m-0.05m, and the steel rib is made of Q345b steel.
Furthermore, the thickness of the horseshoe is 0.3-0.6 m, the thickness of the web plate is 0.1-0.3 m, the thickness of the flange plate is 0.05-0.15 m, and the horseshoe, the web plate and the flange plate are all made of UHPC (ultra high performance concrete).
Further, the thickness of the diaphragm plate is 0.2-0.5 m, the width of the wet joint is 0.45-0.9 m, and the diaphragm plate and the wet joint are made of UHPC ultrahigh-performance concrete.
Furthermore, the thickness of the diaphragm steel rib and the connecting steel plate is 0.02m-0.05m, and the diaphragm steel rib and the connecting steel plate are made of Q345b steel.
The utility model has the beneficial effects that: by adopting the structure, the prefabricated combined T beam provided by the utility model can reduce the structure size, reduce the structure dead weight and the structure internal force, improve the spanning capability and the tensile capability of the bridge, and obviously reduce the cracking probability of the combined T beam and the structural deformation under the load action; compared with a steel structure, the steel structure has higher corrosion resistance, fire resistance and erosion resistance, and the safety and durability of the structure can be improved; both the steel and the UHPC ultrahigh-performance concrete are high-performance materials, and the structure formed by combining the steel and the UHPC ultrahigh-performance concrete also has higher bearing capacity; all parts can be prefabricated in a factory and then transported to a site for hoisting, so that the site construction efficiency is greatly improved; because the dead weight of the structure is light, the hoisting operation can be carried out by adopting small hoisting equipment in the urban construction environment where large hoisting equipment cannot be adopted.
Drawings
FIG. 1 is a schematic structural view of a prefabricated composite T-beam structure according to the present invention in an exemplary embodiment;
FIG. 2 is a cross-sectional view taken along line I-I of the edge beam of the prefabricated composite T-beam structure of FIG. 1;
FIG. 3 is a cross-sectional view taken along line I-I of a center sill of the prefabricated composite T-beam structure of FIG. 1;
FIG. 4 is a side rail cross-sectional reinforcement view of a prefabricated composite T-beam structure according to the present invention in an exemplary embodiment;
FIG. 5 is a cross-sectional reinforcement view of a center sill of a prefabricated composite T-beam structure according to the present invention in an exemplary embodiment;
FIG. 6 is a schematic illustration of a diaphragm plate structure of a prefabricated composite T-beam structure according to the present invention in an exemplary embodiment;
FIG. 7 is a schematic cross-sectional view of a diaphragm of a prefabricated composite T-beam structure according to the present invention in an exemplary embodiment;
FIG. 8 is a schematic illustration of a wet seam construction of a prefabricated composite T-beam construction according to the present invention in an exemplary embodiment;
description of reference numerals:
1. casting a bridge deck in situ; 11. a roof stirrup; 12. top plate longitudinal steel bars; 13. a top plate prestressed steel strand;
2. steel skeleton;
3. a T-shaped beam; 31. water chestnut; 311. a horseshoe stirrup; 312. longitudinal steel bars of a horseshoe; 313. u-shaped prestressed steel bundles; 32. a web; 321. web stirrups; 322. web longitudinal steel bars; 33. a flange plate; 34. a baffle plate;
4. a diaphragm plate; 41. the diaphragm plate hoop reinforcement; 42. longitudinal steel bars of the diaphragm plate; 43. longitudinal short steel bars of the diaphragm plate; 44. the diaphragm plate steel rib; 45. a connecting bolt; 46. connecting steel plates; 47. reinforcing steel bars of the top plate; 48. mortar;
5. wet seaming; 51. wet joint rebar.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 8, a prefabricated combined T-beam structure includes a bridge deck slab 1 cast in situ as a bridge deck pavement layer, steel ribs 2, T-beams 3, diaphragms 4, and wet joints 5;
a top plate stirrup 11 and a top plate longitudinal steel bar 12 which are connected in a longitudinal and transverse mode are arranged in the cast-in-situ bridge deck 1;
the T-shaped beam 3 comprises a horseshoe 31, a web 32 and two flange plates 33;
a horseshoe stirrup 311, a horseshoe longitudinal steel bar 312 and a horseshoe pre-stress steel beam 313 are arranged in the horseshoe 31;
a web stirrup 321 and a web longitudinal steel bar 322 which are connected in a longitudinal and transverse mode are arranged in the web 32;
the flange plate 33 is connected with the bottom surface of the cast-in-place bridge deck slab 1;
the steel rib 2 is arranged in the web plate 32, a hole is formed in the contact part of the steel rib 2, the top plate stirrup 11 and the web plate stirrup 321, the steel rib 2 and the web plate stirrup are connected in a PBL (PBL) connection mode, and the contact part of the steel rib 2 and the horseshoe stirrup 311 is welded to form an integral framework;
the diaphragm plate 4 and the wet joint 5 are used for connecting the T-shaped beam 3, and diaphragm plate stirrups 41, diaphragm plate longitudinal reinforcements 42, diaphragm plate longitudinal short reinforcements 43, diaphragm plate reinforcements 44, connecting bolts 45, connecting steel plates 46, top plate reinforcing reinforcements 47 and mortar 48 are arranged in the diaphragm plate 4;
the transverse partition plates 4 between the adjacent transverse T-shaped beams 3 are connected with the connecting steel plates 46 through the transverse partition plate steel ribs 44 and the connecting bolts 45, and the gaps between the interfaces at the connecting positions are filled with mortar 48;
the diaphragm steel skeleton 44 is provided with an opening, and the diaphragm stirrup 41 and the connecting bolt 45 penetrate through the opening to be connected with each other to form a whole;
the roof reinforcing steel bars 47 penetrate into the flange plates 33;
and wet joint reinforcing steel bars 51 are arranged in the wet joints 5.
From the above description, the beneficial effects of the present invention are: the cast-in-place bridge deck slab 1 is used as a bridge deck pavement layer of the bridge, so that the construction steps are simplified, the materials are saved, and the construction cost and the construction period are reduced; the prefabricated combined T-shaped beams 3 are connected together through the diaphragm plates 4 and the wet joints 5, so that the integrity of the main beams of the bridge can be improved, and the main beams can well participate in stress. Holes are formed in the contact positions of the steel ribs 2 and the top plate stirrups 11 and the web stirrups 321, a PBL connection mode is adopted, and welding is carried out at the contact positions of the steel ribs 2 and the horseshoe stirrups 311, so that the top plate stirrups 11, the web stirrups 321 and the horseshoe stirrups 311 can be conveniently fixed, and the top plate longitudinal reinforcements 12, the web longitudinal reinforcements 322 and the horseshoe longitudinal reinforcements 312 can be conveniently bound; from the stress and structure perspective, the slippage between the steel rib 2 and the concrete material is also prevented, so that the steel rib 2 is more fully involved in bearing.
Further, a top plate prestressed steel strand 13 is arranged in the cast-in-place bridge deck 1.
As can be seen from the above description, when the bridge-forming system of the bridge is a continuous system, the top prestressed steel bundles 13 are installed in the cast-in-place bridge deck 1.
Furthermore, a hoisting reserved hole is formed at the joint of the diaphragm plate 4 and the web plate 32.
As can be seen from the above description, the T-shaped beam 3 which is poured but not connected with the diaphragm plate 4 is conveniently hoisted through the hoisting reserved hole in the field construction.
Further, a baffle 34 is provided at one side of the flange plate 33 at the bridge edge beam.
As can be seen from the above description, the two flange plates 33 and the blocking plates 34 of the T-beam 3 can be used as construction templates for the cast-in-place bridge deck 1 and the wet joints 5. Thereby simplifying construction steps, saving materials and reducing construction cost and construction period.
Further, the thickness of the cast-in-place bridge deck 1 is 0.1m-0.3m, and the cast-in-place bridge deck is made of common concrete.
Further, the thickness of the steel rib 2 is 0.02m-0.05m, and the steel rib is made of Q345b steel.
Further, the thickness of the horseshoe 31 is 0.3m-0.6m, the thickness of the web plate 32 is 0.1m-0.3m, the thickness of the flange plate 33 is 0.05m-0.15m, and the horseshoe 31, the web plate 32 and the flange plate 33 are all made of UHPC ultrahigh-performance concrete.
Further, the thickness of the diaphragm plate 4 is 0.2m-0.5m, the width of the wet joint 5 is 0.45m-0.9m, and the diaphragm plate 4 and the wet joint 5 are made of UHPC ultrahigh-performance concrete.
Further, the thickness of the diaphragm steel rib 44 and the connecting steel plate 46 is 0.02m-0.05m, and the material is Q345b type steel.
From the above description, under the condition of being suitable for economy, the corrosion resistance, the fire resistance and the erosion resistance of the steel structure can be improved, and the safety and the durability of the whole structure are further improved.
Example one
Referring to fig. 1 to 8, a prefabricated combined T-beam structure includes a bridge deck slab 1 cast in situ as a bridge deck pavement layer, steel ribs 2, T-beams 3, diaphragms 4, and wet joints 5; a top plate stirrup 11 and a top plate longitudinal steel bar 12 which are connected in a longitudinal and transverse mode are arranged in the cast-in-situ bridge deck 1; the T-shaped beam 3 comprises a horseshoe 31, a web 32 and two flange plates 33; a horseshoe stirrup 311, a horseshoe longitudinal steel bar 312 and a horseshoe pre-stress steel beam 313 are arranged in the horseshoe 31; a web stirrup 321 and a web longitudinal steel bar 322 which are connected in a longitudinal and transverse mode are arranged in the web 32; the flange plate 33 is connected with the bottom surface of the cast-in-place bridge deck slab 1; the steel rib 2 is arranged in the web plate 32, a hole is formed in the contact part of the steel rib 2, the top plate stirrup 11 and the web plate stirrup 321, the steel rib 2 and the web plate stirrup are connected in a PBL (PBL) connection mode, and the contact part of the steel rib 2 and the horseshoe stirrup 311 is welded to form an integral framework; the diaphragm plate 4 and the wet joint 5 are used for connecting the T-shaped beam 3, and diaphragm plate stirrups 41, diaphragm plate longitudinal reinforcements 42, diaphragm plate longitudinal short reinforcements 43, diaphragm plate reinforcements 44, connecting bolts 45, connecting steel plates 46, top plate reinforcing reinforcements 47 and mortar 48 are arranged in the diaphragm plate 4; the transverse partition plates 4 between the adjacent transverse T-shaped beams 3 are connected with the connecting steel plates 46 through the transverse partition plate steel ribs 44 and the connecting bolts 45, and the gaps between the interfaces at the connecting positions are filled with mortar 48; the diaphragm steel skeleton 44 is provided with an opening, and the diaphragm stirrup 41 and the connecting bolt 45 penetrate through the opening to be connected with each other to form a whole; the roof reinforcing steel bars 47 penetrate into the flange plates 33; and wet joint reinforcing steel bars 51 are arranged in the wet joints 5. And a top plate prestressed steel strand 13 is arranged in the cast-in-situ bridge deck 1. And a hoisting reserved hole is formed at the joint of the diaphragm plate 4 and the web plate 32. A baffle 34 is arranged on one side of the flange plate 33 at the bridge edge beam.
The diaphragm plates 4 are arranged at the supporting points at two sides of the T-shaped beam 3, and the rest diaphragm plates are uniformly arranged at intervals of 10-20 m along the length direction of the T-shaped beam 3.
The construction method of the prefabricated combined T-beam comprises the steps of firstly, determining the span of a bridge and a bridge system, and determining the specific size of each part according to the span. Then, connecting the steel ribs 2 at the contact parts of the steel ribs 2 and the top plate stirrups 11 and the web stirrups 321 in a PBL form by taking 2-5m as a section, and welding the steel ribs 2 at the contact parts of the steel ribs 2 and the horseshoe stirrups 311; and all the segments are connected by welding, and the web longitudinal steel bar 322, the horseshoe longitudinal steel bar 312 and the top plate longitudinal steel bar 12 are bound to form an integral steel rib and steel bar framework. Then, a horseshoe 31, a web 32, a flange plate 33, baffles 34 on the edge beam and the diaphragm plates 4 of the T-shaped beam 3 are poured, but the diaphragm plates 4 are not connected temporarily; and after the material reaches the strength value specified by the specification, tensioning the horseshoe prestress steel beam 313. Finally, hoisting the structure to the designed main beam position by using hoisting equipment through the hoisting preformed hole, connecting the transverse clapboards 4 between the T-shaped beams 3 by using connecting bolts 45 and connecting steel plates 46, pouring mortar 48 into the seams between the transverse clapboards, pouring wet joints 5, connecting the T-shaped beams 3 into a whole, and then beginning to pour the cast-in-situ bridge deck 1; if the bridge forming system of the bridge is a continuous system, a top plate prestressed steel strand 13 is required to be arranged, and the top plate prestressed steel strand 13 is tensioned after the material reaches the strength value specified by the specification; if the bridge forming system of the bridge is a simple support system, the prestressed steel bundles 13 of the tensioning top plate are not required to be arranged.
The thickness of the cast-in-situ bridge deck slab 1 is 0.1m-0.3m, and the cast-in-situ bridge deck slab is made of common concrete. The thickness of the steel rib 2 is 0.02m-0.05m, and the steel rib is made of Q345b steel. The thickness of the horseshoe 31 is 0.3m-0.6m, the thickness of the web plate 32 is 0.1m-0.3m, the thickness of the flange plate 33 is 0.05m-0.15m, and the horseshoe 31, the web plate 32 and the flange plate 33 are all made of UHPC ultrahigh-performance concrete. The thickness of the diaphragm plate 4 is 0.2m-0.5m, the width of the wet joint 5 is 0.45m-0.9m, and the diaphragm plate 4 and the wet joint 5 are made of UHPC ultrahigh-performance concrete. The thickness of the diaphragm steel rib 44 and the connecting steel plate 46 is 0.02m-0.05m, and the diaphragm steel rib and the connecting steel plate are made of Q345b steel.
In conclusion, the utility model provides a prefabricated combined T-beam structure, and the prefabricated combined T-beam structure provided by the utility model can reduce the structure size, reduce the structure dead weight and the structure internal force, improve the spanning capability and the tensile capability of a bridge and obviously reduce the cracking probability of the combined T-beam and the structural deformation under the load action; compared with a steel structure, the steel structure has higher corrosion resistance, fire resistance and erosion resistance, and the safety and durability of the structure can be improved; both the steel and the UHPC ultrahigh-performance concrete are high-performance materials, and the structure formed by combining the steel and the UHPC ultrahigh-performance concrete also has higher bearing capacity; all parts can be prefabricated in a factory and then transported to a site for hoisting, so that the site construction efficiency is greatly improved; because the dead weight of the structure is light, the hoisting operation can be carried out by adopting small hoisting equipment in the urban construction environment where large hoisting equipment cannot be adopted.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims (9)

1. The utility model provides a prefabricated combination T roof beam structure which characterized in that: comprises a cast-in-situ bridge deck slab serving as a bridge deck pavement layer, steel ribs, T-shaped beams, diaphragm plates and wet joints;
a top plate stirrup and a top plate longitudinal steel bar which are connected in a longitudinal and transverse mode are arranged in the cast-in-place bridge deck;
the T-shaped beam comprises a horseshoe, a web plate and two flange plates;
a horseshoe stirrup, a horseshoe longitudinal steel bar and a horseshoe prestress steel beam are arranged in the horseshoe;
a web stirrup and a web longitudinal steel bar which are connected in a longitudinal and transverse mode are arranged in the web;
the flange plate is connected with the bottom surface of the cast-in-place bridge deck plate;
the steel rib is arranged in the web plate, a hole is formed in the contact part of the steel rib, the top plate stirrup and the web plate stirrup and is connected in a PBL (PBL) connection mode, and the contact part of the steel rib and the horseshoe stirrup is welded to form an integral framework;
the diaphragm plate and the wet joint are used for connecting the T-shaped beam, and a diaphragm plate stirrup, a diaphragm plate longitudinal steel bar, a diaphragm plate longitudinal short steel bar, a diaphragm plate steel rib, a connecting bolt, a connecting steel plate, a top plate reinforcing steel bar and mortar are arranged in the diaphragm plate;
the transverse partition plates between the transversely adjacent T-shaped beams are connected with the connecting steel plates through transverse partition plate steel ribs and connecting bolts, and mortar is used for filling gaps between interfaces at the connecting positions;
the diaphragm plate steel rib is provided with an opening, and the diaphragm plate stirrup and the connecting bolt penetrate through the opening to be connected with each other to form a whole;
the top plate reinforcing steel bars penetrate into the flange plates;
and wet joint reinforcing steel bars are arranged in the wet joints.
2. A prefabricated composite T-beam structure according to claim 1, wherein: and a top plate prestressed steel strand is arranged in the cast-in-situ bridge deck.
3. A prefabricated composite T-beam structure according to claim 1, wherein: and a hoisting preformed hole is formed at the joint of the diaphragm plate and the web plate.
4. A prefabricated composite T-beam structure according to claim 1, wherein: and a baffle is arranged on one side of the flange plate at the edge beam of the bridge.
5. A prefabricated composite T-beam structure according to claim 1, wherein: the thickness of the cast-in-place bridge deck is 0.1m-0.3m, and the cast-in-place bridge deck is made of common concrete.
6. A prefabricated composite T-beam structure according to claim 1, wherein: the thickness of the steel rib is 0.02m-0.05m, and the steel rib is made of Q345b steel.
7. A prefabricated composite T-beam structure according to claim 1, wherein: the thickness of the water chestnut is 0.3-0.6 m, the thickness of the web plate is 0.1-0.3 m, the thickness of the flange plate is 0.05-0.15 m, and the water chestnut, the web plate and the flange plate are all made of UHPC ultrahigh-performance concrete.
8. A prefabricated composite T-beam structure according to claim 1, wherein: the thickness of the diaphragm plate is 0.2-0.5 m, the width of the wet joint is 0.45-0.9 m, and the diaphragm plate and the wet joint are made of UHPC ultrahigh-performance concrete.
9. A prefabricated composite T-beam structure according to claim 1, wherein: the thickness of the diaphragm steel rib and the thickness of the connecting steel plate are 0.02m-0.05m, and the diaphragm steel rib and the connecting steel plate are made of Q345b steel.
CN202121937572.4U 2021-08-18 2021-08-18 Prefabricated combined T-beam structure Active CN216040604U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121937572.4U CN216040604U (en) 2021-08-18 2021-08-18 Prefabricated combined T-beam structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121937572.4U CN216040604U (en) 2021-08-18 2021-08-18 Prefabricated combined T-beam structure

Publications (1)

Publication Number Publication Date
CN216040604U true CN216040604U (en) 2022-03-15

Family

ID=80559324

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121937572.4U Active CN216040604U (en) 2021-08-18 2021-08-18 Prefabricated combined T-beam structure

Country Status (1)

Country Link
CN (1) CN216040604U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114941290A (en) * 2022-04-28 2022-08-26 中国建筑第八工程局有限公司 Bridge deck pavement construction method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114941290A (en) * 2022-04-28 2022-08-26 中国建筑第八工程局有限公司 Bridge deck pavement construction method
CN114941290B (en) * 2022-04-28 2024-04-30 中国建筑第八工程局有限公司 Bridge deck pavement construction method

Similar Documents

Publication Publication Date Title
CN107245934A (en) A kind of assembled steel profiled sheet concrete combined board small box girder
CN108978434B (en) Bracket-free industrialized construction method of steel-concrete combined continuous box girder bridge
CN212670274U (en) Cast-in-place seam structure of super high performance concrete beam slab with pre-buried reinforced steel plate
CN109610314A (en) Prefabricated bridge deck wet joint structure and assembling method
CN109024219B (en) Prefabricated ultrahigh-performance concrete-common concrete combined beam bridge structure and construction method
CN109024221A (en) A kind of Novel steel combined box beam and its application method
CN216040604U (en) Prefabricated combined T-beam structure
CN202610696U (en) Corrugated steel web pre-tensioning pre-stressed concrete continuous box beam
CN113789711A (en) NC-UHPC combined assembly type prestressed concrete box girder, construction method and bridge thereof
CN219671054U (en) Steel-concrete combined small box girder prefabricated by integral hoisting
CN218813186U (en) Cast-in-situ connecting structure of steel-concrete composite beam
CN216338993U (en) Longitudinal joint for steel-UHPC (ultra high performance concrete) assembled pi-shaped combination beam
CN217869978U (en) Steel-concrete combined bridge deck and wet seam structure thereof
CN216919967U (en) NC-UHPC combined assembly type concrete box girder and bridge thereof
CN214459554U (en) Combined beam
CN215051976U (en) Horizontal wet-joint-free prefabricated simply-supported T beam
CN215857217U (en) Bridge deck, steel channel beam and beam bridge capable of being used for steel-UHPC combined beam bridge
CN215052112U (en) Assembled steel-coconut fiber magnesium phosphate cement bridge deck composite beam
CN212582397U (en) Combined beam of steel, common concrete and ultrahigh-performance concrete
CN212270679U (en) Novel anti-drawing composite beam joint structure
CN217758300U (en) Prefabricated combined small box girder structure
CN211645915U (en) Prefabricated prestressed steel and concrete splicing simply-supported combined box girder
CN112921805A (en) Assembled steel-coconut fiber magnesium phosphate cement bridge deck composite beam and construction method
CN112523067A (en) Combined beam
CN217974005U (en) Combined box girder structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant