CN111622087A - Guide plate structure adopting ultra-high performance concrete pin joint node and construction method - Google Patents
Guide plate structure adopting ultra-high performance concrete pin joint node and construction method Download PDFInfo
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- CN111622087A CN111622087A CN202010584787.6A CN202010584787A CN111622087A CN 111622087 A CN111622087 A CN 111622087A CN 202010584787 A CN202010584787 A CN 202010584787A CN 111622087 A CN111622087 A CN 111622087A
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- guide plate
- plug
- section
- performance concrete
- pin joint
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- 239000011374 ultra-high-performance concrete Substances 0.000 title claims abstract description 16
- 238000010276 construction Methods 0.000 title claims abstract description 13
- 238000005260 corrosion Methods 0.000 claims abstract description 14
- 230000007797 corrosion Effects 0.000 claims abstract description 13
- 239000013013 elastic material Substances 0.000 claims abstract description 12
- 239000002689 soil Substances 0.000 claims description 18
- 239000004574 high-performance concrete Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to a guide plate structure adopting a pin joint node of ultra-high performance concrete and a construction method, the guide plate structure comprises a guide plate front section and a guide plate rear section, a plurality of plug parts are arranged at the rear end of the guide plate front section and the front end of the guide plate rear section in a staggered manner along the transverse direction, adjacent plug parts on the same part enclose a notch for accommodating the plug part on the other part, round holes are arranged on the plug parts along the transverse direction, the guide plate front section and a bridge abutment are integrally cast, the guide plate front section and the guide plate rear section are mutually inserted and then penetrate through the round holes of each plug through a cylindrical pin, the outer ends of the round holes of the two plug parts at the transverse head and the tail are filled with corrosion-resistant elastic materials, and a gap between the notch and the plug part accommodated in the notch is filled with the corrosion-resistant elastic materials. The rotation takes place in the below certain degree of depth of road surface, and the risk that the road surface takes place the crack greatly reduced.
Description
Technical Field
The invention relates to a guide plate structure adopting an ultra-high performance concrete pin joint node and a construction method.
Background
The expansion joint-free bridge (hereinafter referred to as a seamless bridge) thoroughly eliminates a telescopic device behind a platform, and avoids the problems of bumping at the bridge head, corrosion of a substructure, high maintenance cost and the like caused by damage of the telescopic device. The seamless bridge approach plate not only needs to bear vertical vehicle load, but also needs to absorb and transfer longitudinal deformation of the main beam under the action of the temperature of the seamless bridge. A large number of engineering practices show that the guide plate is easy to rotate under the settlement of the guide plate and the interaction of the guide plate and filling soil, cracks are generated at the connecting part of the seamless bridge and the guide plate, and the cracks are further reflected to the road surface to form road surface cracks, so that the normal use performance of the seamless bridge is influenced.
Disclosure of Invention
The invention provides a guide plate structure adopting an ultra-high performance concrete pin joint node and a construction method.
The invention adopts the scheme that a guide plate structure adopting an ultra-high performance concrete pin joint node comprises a guide plate front section and a guide plate rear section which are connected in sequence, wherein a plurality of plug parts are arranged at intervals along the transverse direction at the rear end of the guide plate front section and the front end of the guide plate rear section, the plug parts on the guide plate front section and the guide plate rear section are arranged in a staggered mode, adjacent plug parts on the same part are enclosed to form a notch for accommodating the plug part on the other part, round holes are transversely formed in the plug parts, the guide plate front section and an abutment are integrally cast, the guide plate front section and the guide plate rear section are mutually spliced and then penetrate through the round holes of each plug through a cylindrical pin, the outer ends of the round holes of the two plug parts at the transverse ends are filled with corrosion-resistant elastic materials, and a gap between the notch and the plug part accommodated in the notch is filled with the corrosion-resistant elastic.
Furthermore, the front end of the front section of the guide plate is connected with the abutment through a wet joint to form a whole.
Furthermore, the guide plate is arranged below the road surface, soil filled on the plate is filled between the guide plate and the road surface, and soil filled below the guide plate is filled.
Furthermore, two plug parts which are arranged from head to tail in the transverse direction are arranged on the left side and the right side of the rear end of the front section of the guide plate.
Furthermore, plug parts on the front section of the guide plate and the rear section of the guide plate are integrally cast with the front section of the guide plate and the rear section of the guide plate.
Furthermore, the front section of the guide plate and the rear section of the guide plate are both formed by prefabricating and pouring ultrahigh-performance concrete.
A construction method of a pin joint type guide plate comprises the following steps:
(1) chiseling the surfaces of the abutment, and compacting the filling soil;
(2) hoisting the front section of the prefabricated guide plate, and pouring a wet joint to form a whole with the abutment;
(3) hoisting the prefabricated rear section of the guide plate, inserting the rear section of the guide plate into the front section of the guide plate through the plug part, and inserting a cylindrical pin into the round hole;
(4) filling corrosion-resistant elastic materials in the gap between the plug part and the notch and at the outer ends of the round holes of the plug parts which are arranged from head to tail in the transverse direction;
(5) filling soil on the laying plate above the guide plate and compacting;
(6) and paving a road surface on the filled soil on the plate.
Compared with the prior art, the invention has the following beneficial effects: simple structure, reasonable in design, pin joint node passes through the cylindric lock transmission longitudinal displacement and allows the leader board to produce certain rotation, and corrosion-resistant elastic material has improved the durability of pin joint node, rotates and takes place certain degree of depth below the road surface, and the risk greatly reduced that the crack takes place on the road surface.
Drawings
The invention is further described with reference to the following figures.
FIG. 1 is a front elevational view of the leader plate;
FIG. 2 is a top view of the front section of the leader plate;
FIG. 3 is a rear elevation view of the leader board;
FIG. 4 is a top view of the rear end of the leader board;
FIG. 5 is a schematic structural view of a leader plate of the pinned joint;
FIG. 6 is a cross-sectional view A-A of FIG. 5;
FIG. 7 is a cross-sectional view B-B of FIG. 6;
FIG. 8 is a cross-sectional view C-C of FIG. 6;
fig. 9 is a cross-sectional view D-D of fig. 6.
In the figure: 1-front section of guide plate; 2-leading the back section of the plate; 3-round hole; 4-a plug portion; 5-abutment; 6-filling soil below the plate; 7-wet seaming; 8-cylindrical pins; 9-corrosion resistant elastic material; 10-filling soil on the plate; 11-road surface.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in figures 1-9, a guide plate structure adopting an ultra-high performance concrete pin joint node comprises a guide plate front section 1 and a guide plate rear section 2 which are connected in sequence, wherein a plurality of plug parts 4 are arranged at the rear end of the guide plate front section and the front end of the guide plate rear section at intervals along the transverse direction, the plug parts on the guide plate front section and the guide plate rear section are arranged in a staggered manner, adjacent plug parts on the same component enclose a notch for accommodating the plug part on the other component, a round hole 3 is transversely arranged on the plug part, the guide plate front section and an abutment 5 are integrally cast, the guide plate front section and the guide plate rear section are mutually spliced and then penetrate through the round holes of each plug through a cylindrical pin 8, the outer ends of the round holes of the two plug parts at the front end and the rear end of the transverse direction are filled with corrosion-resistant elastic materials 9, a gap between the notch and the plug part accommodated in the notch is filled with the corrosion-resistant elastic materials 9, and through set up super high performance concrete pin joint point between arm anterior segment and arm rear segment to guarantee sufficient longitudinal rigidity transmission girder longitudinal displacement, and allow the rotation of arm rear segment, thereby make the rotation take place the risk of greatly reduced road surface fracture below certain degree of depth in the road surface.
In this embodiment, the front end of the front section of the guide plate is connected with the abutment through a wet joint 7 to form a whole, so as to restrain the front section of the guide plate from rotating.
In the embodiment, the guide plate is arranged below the road surface 11, the filling soil 10 on the plate is filled between the guide plate and the road surface, and the filling soil 6 under the guide plate is filled below the guide plate.
In this embodiment, two plug portions located at the transverse head and the transverse tail are located at the left and right sides of the rear end of the front section of the guide plate and are integrally cast with the front section of the guide plate.
In this embodiment, the plug portions on the front and rear segments of the guide plate are integrally cast with the front and rear segments of the guide plate.
In this embodiment, the front section of the guide plate and the rear section of the guide plate are both formed by prefabricating and pouring ultrahigh-performance concrete.
A construction method of a pin joint type guide plate comprises the following steps:
(1) chiseling the surfaces of the abutment, and compacting the filling soil;
(2) hoisting the front section of the prefabricated guide plate, and pouring a wet joint to form a whole with the abutment;
(3) hoisting the prefabricated rear section of the guide plate, inserting the rear section of the guide plate into the front section of the guide plate through the plug part, and inserting a cylindrical pin into the round hole;
(4) filling corrosion-resistant elastic materials in the gap between the plug part and the notch and at the outer ends of the round holes of the plug parts which are arranged from head to tail in the transverse direction;
(5) filling soil on the laying plate above the guide plate and compacting;
(6) and paving a road surface on the filled soil on the plate.
If this patent discloses or refers to parts or structures that are fixedly connected to each other, the fixedly connected may be understood as: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In the description of this patent, it is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
The above-mentioned preferred embodiments, further illustrating the objects, technical solutions and advantages of the present invention, should be understood that the above-mentioned are only preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an adopt drawing board structure of super high performance concrete pin joint node which characterized in that: including the leader board anterior segment that connects gradually, the leader board back end, leader board back end front end all set up a plurality of plug portions along transverse interval, and the crisscross setting of plug portion on leader board anterior segment, the leader board back end, adjacent plug portion on the same part enclose into the notch that holds the plug portion on another part, the round hole has transversely been seted up along transversely in the plug portion, the leader board anterior segment is pour with abutment monolithic, and the round hole of wearing to establish each plug through a cylindric lock after leader board anterior segment, leader board back end each other plug portion, and the round hole outer end that is located two plug portions of horizontal head and the tail is filled with corrosion-resistant elastic material, and the clearance of notch and holding between the plug portion in has been filled with corrosion-resistant elastic material.
2. The leader board construction using an ultra high performance concrete pin joint according to claim 1, wherein: the front end of the front section of the guide plate is connected with the abutment through a wet joint to form a whole.
3. The leader board construction using an ultra high performance concrete pin joint according to claim 1, wherein: the guide plate is arranged below the road surface, soil filled on the guide plate is filled between the guide plate and the road surface, and soil filled below the guide plate is filled below the guide plate.
4. The leader board construction using an ultra high performance concrete pin joint according to claim 1, wherein: two plug parts located at the transverse head and the transverse tail are located on the left side and the right side of the rear end of the front section of the guide plate.
5. The leader board construction using an ultra high performance concrete pin joint according to claim 1, wherein: plug parts on the front guide plate section and the rear guide plate section are integrally cast with the front guide plate section and the rear guide plate section.
6. The leader board construction using an ultra high performance concrete pin joint according to claim 1, wherein: the front section of the guide plate and the rear section of the guide plate are both formed by prefabricating and pouring ultrahigh-performance concrete.
7. A method of constructing a pin joint type leader plate using the leader plate construction using an ultra high performance concrete pin joint according to claim 1, comprising the steps of:
(1) chiseling the surfaces of the abutment, and compacting the filling soil;
(2) hoisting the front section of the prefabricated guide plate, and pouring a wet joint to form a whole with the abutment;
(3) hoisting the prefabricated rear section of the guide plate, inserting the rear section of the guide plate into the front section of the guide plate through the plug part, and inserting a cylindrical pin into the round hole;
(4) filling corrosion-resistant elastic materials in the gap between the plug part and the notch and at the outer ends of the round holes of the plug parts which are arranged from head to tail in the transverse direction;
(5) filling soil on the laying plate above the guide plate and compacting;
(6) and paving a road surface on the filled soil on the plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010584787.6A CN111622087A (en) | 2020-06-24 | 2020-06-24 | Guide plate structure adopting ultra-high performance concrete pin joint node and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010584787.6A CN111622087A (en) | 2020-06-24 | 2020-06-24 | Guide plate structure adopting ultra-high performance concrete pin joint node and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN111622087A true CN111622087A (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010584787.6A Pending CN111622087A (en) | 2020-06-24 | 2020-06-24 | Guide plate structure adopting ultra-high performance concrete pin joint node and construction method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537440A (en) * | 2018-11-23 | 2019-03-29 | 宁波市建筑设计研究院有限公司 | A kind of abutment approach structure |
| CN110093850A (en) * | 2019-06-20 | 2019-08-06 | 福州大学 | A kind of seamless bridge corbel back slab construction and its construction method with X-shaped steel muscle |
| CN110847010A (en) * | 2019-12-12 | 2020-02-28 | 福州大学 | Structure and construction method suitable for large-span bridge abutment rigid frame bridge |
| CN212426695U (en) * | 2020-06-24 | 2021-01-29 | 福州大学 | Guide plate structure adopting ultra-high performance concrete pin joint node |
-
2020
- 2020-06-24 CN CN202010584787.6A patent/CN111622087A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537440A (en) * | 2018-11-23 | 2019-03-29 | 宁波市建筑设计研究院有限公司 | A kind of abutment approach structure |
| CN110093850A (en) * | 2019-06-20 | 2019-08-06 | 福州大学 | A kind of seamless bridge corbel back slab construction and its construction method with X-shaped steel muscle |
| CN110847010A (en) * | 2019-12-12 | 2020-02-28 | 福州大学 | Structure and construction method suitable for large-span bridge abutment rigid frame bridge |
| CN212426695U (en) * | 2020-06-24 | 2021-01-29 | 福州大学 | Guide plate structure adopting ultra-high performance concrete pin joint node |
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