CN109016127B - Bridge arch box prefabrication production and transverse connection method thereof - Google Patents
Bridge arch box prefabrication production and transverse connection method thereof Download PDFInfo
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- CN109016127B CN109016127B CN201810847357.1A CN201810847357A CN109016127B CN 109016127 B CN109016127 B CN 109016127B CN 201810847357 A CN201810847357 A CN 201810847357A CN 109016127 B CN109016127 B CN 109016127B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/005—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects with anchoring or fastening elements for the shaped articles
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses a bridge arch box prefabrication production and a transverse connection method thereof, and in the field of bridge construction nowadays, the requirements of practical conditions cannot be met by adopting a traditional full-hall support construction mode due to the factors of complex geographic environment, severe construction conditions and the like. In order to overcome the problems, the bridge arch box prefabricating production and the transverse connection method are designed, a side web plate, an end web plate, a cast-in-place top plate, bottom angle steel, bolts, a cast-in-place bottom plate, a rectangular cavity, left upper angle steel, a left bolt hole, right upper angle steel, a right bolt hole, anchoring steel bars and the like are used for being assembled to form the hollow structure arch box, and the bolts are used for connecting the embedded angle steels at the two end parts together to realize the transverse connection between the two arch boxes. The method has the advantages of simple operation, safety, reliability and high production quality, and can adapt to construction under various severe conditions.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to bridge arch box prefabrication production and a transverse connection method thereof.
Background
In the bridge construction field of present, often because geographical environment is complicated, construction conditions are abominable etc. factor, lead to adopting traditional full hall support construction mode can not satisfy the actual condition demand. In order to overcome the problems, the bridge arch box prefabricating production and the transverse connection method are designed, a side web plate, an end web plate, a cast-in-place top plate, bottom angle steel, bolts, a cast-in-place bottom plate, a rectangular cavity, left upper angle steel, a left bolt hole, right upper angle steel, a right bolt hole, anchoring steel bars and the like are used for being assembled to form the hollow structure arch box, and the bolts are used for connecting the embedded angle steels at the two end parts together to realize the transverse connection between the two arch boxes. The method has the advantages of simple operation, safety, reliability and high production quality, and can adapt to construction under various severe conditions.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the method for prefabricating and transversely connecting the bridge arch box comprises the steps of using a side web plate, an end web plate, a cast-in-place top plate, bottom angle steel, bolts, a cast-in-place bottom plate, rectangular holes, left upper angle steel, a left bolt hole, right upper angle steel, a right bolt hole, anchoring steel bars and the like to assemble and connect the arc arch rings.
In order to solve the technical problem, the invention discloses a bridge arch box prefabricating production and a transverse connection method thereof, which comprises a side web plate, an end web plate, a cast-in-place top plate, bottom angle steel, bolt holes, a cast-in-place bottom plate, a rectangular cavity, left upper angle steel, a left bolt hole, right upper angle steel, a right bolt hole and anchoring steel bars, wherein the side web plate and the side web plate are rectangular reinforced concrete plates, the ends of the cast-in-place top plate and the upper and lower ends of the end web plate are both reserved with beard ribs, and the beard ribs reserved at the ends of the cast-in-place top plate and the reserved with the bear; the end web plate is a rectangular reinforced concrete plate, a rectangular cavity is reserved in the middle of the end web plate, beard ribs reserved at the upper end part and the lower end part of the end web plate respectively extend into the cast-in-place top plate and the cast-in-place bottom plate to be anchored, and the end web plate is integrated by cast-in-place concrete; the cast-in-place top plate is a cast-in-place reinforced concrete plate; the two end parts of the side web plate and the side web plate are respectively embedded with anchoring steel bars with hooks of 90 degrees; the other end of the anchoring steel bar is respectively welded with the left upper angle steel and the right upper angle steel; a left bolt hole and a right bolt hole are reserved in the left upper angle steel and the right upper angle steel respectively; bottom angle steels are pre-embedded at two ends of the cast-in-place bottom plate, and threaded steel bars are welded on the inner sides of the bottom angle steels and anchored into the cast-in-place bottom plate; a bolt hole is reserved in the bottom angle steel; rectangular grooves are respectively and symmetrically reserved at the positions, which are opposite to the bolt holes, of the two end parts of the cast-in-place bottom plate.
Furthermore, the cast-in-place bottom plate is arranged on an arc-shaped or linear concrete pedestal, a reinforcing mesh is bound on the pedestal, then the side web, the side web and the end web are respectively lifted and hung on the reinforcing mesh, and the side web, the side web and the end web are welded and fixed, and then concrete is poured to form a substructure.
Furthermore, the side web plates and the end web plates are welded into a framework through the end parts and the reserved beard ribs on the side parts, and concrete is poured to form an integral structure.
Furthermore, a left bolt hole and a right bolt hole are reserved in the left upper angle steel and the right upper angle steel respectively, and the upper parts of the two sections of prefabricated arch boxes can be connected together through bolts.
Furthermore, grooves with certain lengths are reserved at two ends of the cast-in-place bottom plate respectively, and bolts can be inserted into the bolt holes to connect the lower parts of the two sections of prefabricated arch boxes together.
Furthermore, a rectangular cavity is reserved in the middle of the end web plate, and the purpose is to reduce the self weight of the structure.
Further, a bridge arch box prefabricating production and transverse connection method thereof comprises the following steps in sequence:
firstly, a steel bar net piece of a cast-in-situ bottom plate is bound on an arc-shaped or linear type pedestal, and bottom angle steel is respectively welded with the end part of the steel bar net piece of the cast-in-situ bottom plate. Hoisting the prefabricated side webs and the side webs to a reinforcing mesh sheet of the cast-in-place bottom plate and welding;
secondly, hoisting end webs at two end parts to a reinforcing mesh sheet of the cast-in-place bottom plate, respectively welding reserved beard ribs at two side edges of the end webs with a side web and reserved reinforcing steel bars at the side web, placing and fixing a rectangular groove die and the inner side of a bolt hole, and pouring bottom concrete;
then, erecting a template of the cast-in-place top plate, binding a reinforcing mesh of the cast-in-place top plate, respectively placing left upper angle steel and right upper angle steel welded with anchoring steel bars in the reinforcing mesh right above the side web plate and the side web plate, welding the other end of the anchoring steel bar with the reinforcing mesh, pouring concrete, and removing the template;
and finally, hoisting the assembled prefabricated bridge arch box to the installation part of the bridge arch rib, fixing the prefabricated bridge arch box through front and back cables and left and right cables, hoisting the other prefabricated arch box, respectively inserting bolts into a left bolt hole, a right bolt hole and bolt holes for connection, welding and fixing left upper angle steel and right upper angle steel of the two assembled arch boxes, pouring joint concrete between the two assembled arch boxes, and vibrating and compacting.
Compared with the prior art, the invention can obtain the following technical effects: and the assembly production and the installation connection of the prefabricated arch ring can be realized only by using a side web plate, an end web plate, a cast-in-place top plate, bottom angle steel, bolts, a cast-in-place bottom plate, rectangular cavities, left upper angle steel, left bolt holes, right upper angle steel, right bolt holes, anchoring steel bars and the like. The mode is safe and reliable, simple to operate, and the quality is guaranteed, can adapt to various topography constructions, reduces construction cost.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1: the structure of the embodiment of the invention is shown schematically;
FIG. 2: end section views of embodiments of the invention;
FIG. 3: a side view of an embodiment of the present invention;
FIG. 4: the angle steel at the upper part of the left side of the embodiment of the invention is shown schematically;
FIG. 5: the angle steel at the upper part of the right side of the embodiment of the invention is shown schematically;
in the figure: 1. side web 2, side web 3, end web 4, cast-in-place top plate 5, bottom angle steel 6, bolt hole 7, cast-in-place bottom plate 8, rectangular cavity 9, left side upper part angle steel 10, left side bolt hole 11, right side upper part angle steel 12, right side bolt hole 13, anchor steel bar
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The application of the principles of the present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example one
Referring to fig. 1 and 2, the product of the embodiment of the invention comprises a side web plate 1, a side web plate 2, an end web plate 3, a cast-in-place top plate 4, bottom angle steel 5, bolt holes 6, a cast-in-place bottom plate 7, a rectangular cavity 8, left upper angle steel 9, left bolt holes 10, right upper angle steel 11, right bolt holes 12 and anchor steel bars 13. The side web plates 1 and 2 are rectangular reinforced concrete plates with certain thickness, beard ribs with certain length are reserved at the four end parts of the plates, and the beard ribs reserved in the plate and the beard ribs reserved in the end web plates 3 form a whole by cast-in-place concrete; the end web plate 3 is a rectangular reinforced concrete plate with a certain thickness, the middle part is a rectangular cavity 8, the upper end part and the lower end part of the rectangular reinforced concrete plate are provided with reserved steel bars which respectively extend into the cast-in-place top plate 4 and the cast-in-place bottom plate 7 for anchoring, and the rectangular reinforced concrete plate is formed into a whole by cast-in-place concrete; the cast-in-place top plate 4 is a cast-in-place reinforced concrete plate with a certain thickness; two end parts of the side web plate 1 and the side web plate 2 are respectively embedded with an anchoring steel bar 13 with a hook of 90 degrees; the other end of the hook steel bar is respectively welded with the left upper angle steel 9 and the right upper angle steel 11; left bolt holes 10 and right bolt holes 12 with certain diameters are reserved on exposed angle steel of the left upper angle steel 9 and the right upper angle steel 11 respectively; bottom angle steel 5 is pre-embedded at two ends of the cast-in-place bottom plate 7, and a twisted steel bar with a certain length is welded at the inner side of the bottom angle steel 5 and is anchored into the cast-in-place bottom plate 7; a certain number of bolt holes 6 are reserved on the bottom angle steel 5; rectangular grooves with certain length are respectively and symmetrically reserved at the positions, which are opposite to the bolt holes 6, at the two end parts of the cast-in-place bottom plate 7; the cast-in-place bottom plate 7 can be placed on an arc-shaped or linear concrete pedestal for production.
The application method of the embodiment of the invention is as follows: referring to fig. 3, 4 and 5, firstly, the steel mesh of the cast-in-place bottom plate 7 is bound on the arc-shaped or linear type pedestal, and the bottom angle steel 5 is respectively welded with the end part of the steel mesh of the cast-in-place bottom plate 7. Hoisting the prefabricated side webs 1 and 2 to a reinforcing mesh sheet of the cast-in-place bottom plate 7 and welding; then hoisting the end webs 3 at the two end parts to a reinforcing mesh sheet of a cast-in-place bottom plate 7, respectively welding reserved beard ribs at the two side edges of the end webs 3 with reserved reinforcing steel bars of a side web 1 and a side web 2, placing and fixing a rectangular groove die and the inner side of a bolt hole 6, and pouring bottom concrete; and finally, erecting a template of the cast-in-place top plate 4, binding a steel bar mesh of the cast-in-place top plate 4, respectively arranging the left upper angle steel 9 and the right upper angle steel 11 welded with the anchoring steel bars 13 in the steel bar mesh right above the side web plate 1 and the side web plate 2, welding the other end of the anchoring steel bars 13 with the steel bar mesh, pouring concrete, and removing the template. And hoisting the assembled prefabricated arch box to the installation part of the bridge arch rib, fixing the prefabricated arch box through front and back and left and right cable wind ropes, hoisting the other prefabricated arch box section, respectively inserting the prefabricated arch box section into a left bolt hole 10, a right bolt hole 12 and a bolt hole 6 through bolts for connection, and simultaneously welding and fixing left upper angle steel 9 and right upper angle steel 11 of the two assembled arch box sections. And pouring joint concrete between the two sections of arch boxes, and vibrating to compact the concrete.
Preferably, grooves with certain lengths are reserved at two ends of a cast-in-place bottom plate 7 adopted by the embodiment of the invention, and the lower parts of the two prefabricated arch boxes can be connected together by inserting bolts into the bolt holes 6.
Preferably, a rectangular hollow hole 8 is reserved in the middle of the end web 3 adopted by the embodiment of the invention, so that the self weight of the structure is reduced.
Preferably, the left bolt hole 10 and the right bolt hole 12 are reserved in the embodiment of the invention, and the upper parts of the two prefabricated arch boxes can be connected together through bolts.
Preferably, the side web 1, the side web 2 and the end web 3 adopted in the embodiment of the invention are welded into a framework through the end parts and the reserved beard ribs on the side parts, and then concrete is poured to form an integral stable structure.
Claims (5)
1. The utility model provides a bridge arch case prefabrication production and transverse connection method thereof, includes edge web (1), edge web (2), end web (3), cast-in-place roof (4), bottom angle steel (5), bolt hole (6), cast-in-place bottom plate (7), rectangle hole (8), left side upper portion angle steel (9), left side bolt hole (10), right side upper portion angle steel (11), right side bolt hole (12), anchor bar (13), its characterized in that: the side webs (1) and the side webs (2) are rectangular reinforced concrete plates, beard ribs are reserved at the end parts of the cast-in-place top plates (4) and the upper and lower ends of the end webs (3), and the beard ribs reserved at the end parts of the cast-in-place top plates (4) and the beard ribs reserved on the end webs (3) form a whole through cast-in-place concrete; the end web plate (3) is a rectangular reinforced concrete plate, a rectangular cavity (8) is reserved in the middle of the end web plate (3), beard ribs reserved at the upper end part and the lower end part of the end web plate (3) respectively extend into the cast-in-place top plate (4) and the cast-in-place bottom plate (7) for anchoring, and the end web plate and the cast-in-place bottom plate are integrated through cast-in-place concrete; the cast-in-place roof (4) is a cast-in-place reinforced concrete slab; two end parts of the side web plate (1) and the side web plate (2) are respectively embedded with an anchoring steel bar (13) with a 90-degree hook; the other end of the anchoring steel bar (13) is respectively welded with the left upper angle steel (9) and the right upper angle steel (11); a left bolt hole (10) and a right bolt hole (12) are reserved on the exposed angle steel of the left upper angle steel (9) and the right upper angle steel (11) respectively; bottom angle steel (5) is embedded at two ends of the cast-in-place bottom plate (7), and threaded steel bars are welded on the inner sides of the bottom angle steel (5) and anchored into the cast-in-place bottom plate (7); a bolt hole (6) is reserved in the bottom angle steel (5); rectangular grooves are symmetrically reserved at the positions, opposite to the bolt holes (6), of two end parts of the cast-in-place bottom plate (7) respectively; the cast-in-place bottom plate (7) is arranged on an arc-shaped or linear concrete pedestal, a reinforcing mesh is bound on the pedestal, then the side web (1), the side web (2) and the end web (3) are respectively lifted and hung on the reinforcing mesh, and are welded and fixed, and then concrete is poured to form a lower structure; the side web plates (1), the side web plates (2) and the end web plates (3) are welded into a framework through the end parts and the reserved beard ribs on the side parts, and then concrete is poured to form an integral structure.
2. A bridge arch box prefabrication production and transverse connection method according to claim 1, wherein: left side upper portion angle steel (9), right side upper portion angle steel (11) reserve left side bolt hole (10) and right side bolt hole (12) respectively, the accessible bolt links together two sections prefabricated arch case upper portions.
3. A bridge arch box prefabrication production and transverse connection method according to claim 1, wherein: grooves with certain lengths are reserved at two ends of the cast-in-place bottom plate (7) respectively, and bolts can be inserted into the bolt holes (6) to connect the lower parts of the two sections of prefabricated arch boxes together.
4. A bridge arch box prefabrication production and transverse connection method according to claim 1, wherein: a rectangular cavity (8) is reserved in the middle of the end web plate (3) to reduce the self weight of the structure.
5. A bridge arch box prefabrication production and transverse connection method as claimed in claim 1, comprising the following sequential steps:
firstly, binding a steel mesh of a cast-in-place bottom plate (7) on an arc-shaped or linear pedestal, respectively welding bottom angle steel (5) with the end part of the steel mesh of the cast-in-place bottom plate (7), hoisting a prefabricated side web plate (1) and a prefabricated side web plate (2) to the steel mesh of the cast-in-place bottom plate (7) and welding;
secondly, hoisting the end webs (3) at the two end parts to a reinforcing mesh sheet of a cast-in-place bottom plate (7), respectively welding reserved beard ribs on the two side edges of the end webs (3) with reserved reinforcing steel bars of the side webs (1) and the side webs (2), placing and fixing the rectangular groove molds and the inner sides of the bolt holes (6), and pouring bottom concrete;
then, erecting a template of the cast-in-place top plate (4), binding a steel bar mesh of the cast-in-place top plate (4), respectively placing left upper angle steel (9) and right upper angle steel (11) welded with anchoring steel bars (13) in the steel bar mesh right above the side web plate (1) and the side web plate (2), welding the other end of the anchoring steel bar (13) with the steel bar mesh, pouring concrete, and then removing the template;
and finally, hoisting the assembled prefabricated bridge arch box to the installation part of the bridge arch rib, fixing the prefabricated bridge arch box through front and back cables, left and right cables, hoisting the other prefabricated arch box, respectively inserting bolts into a left bolt hole (10), a right bolt hole (12) and a bolt hole (6) for connection, simultaneously welding and fixing left upper angle steel (9) and right upper angle steel (11) of the two assembled arch boxes, pouring joint concrete between the two arch boxes, and compacting by vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810847357.1A CN109016127B (en) | 2018-07-27 | 2018-07-27 | Bridge arch box prefabrication production and transverse connection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810847357.1A CN109016127B (en) | 2018-07-27 | 2018-07-27 | Bridge arch box prefabrication production and transverse connection method thereof |
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| Publication Number | Publication Date |
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| CN109016127A CN109016127A (en) | 2018-12-18 |
| CN109016127B true CN109016127B (en) | 2020-07-24 |
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| CN201810847357.1A Active CN109016127B (en) | 2018-07-27 | 2018-07-27 | Bridge arch box prefabrication production and transverse connection method thereof |
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| CN116497649A (en) * | 2021-04-21 | 2023-07-28 | 石家庄铁道大学 | Ballastless track operation method and matched equipment and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101107826B1 (en) * | 2011-04-25 | 2012-01-31 | 위영민 | Slab-type box girder made by precast concrete and method constructing the bridge therewith |
| CN104452591A (en) * | 2014-10-17 | 2015-03-25 | 中铁建大桥工程局集团第五工程有限公司 | Cast-in-place box beam construction technology applied to bridge constructions |
| CN105568868A (en) * | 2015-12-23 | 2016-05-11 | 重庆建工第十一建筑工程有限责任公司 | Suspension pouring construction method for box girder hanging basket |
| CN106638324A (en) * | 2016-12-30 | 2017-05-10 | 河南省交通规划设计研究院股份有限公司 | Construction method for ultra-high-performance concrete corrugated steel web composite box girder bridge |
-
2018
- 2018-07-27 CN CN201810847357.1A patent/CN109016127B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101107826B1 (en) * | 2011-04-25 | 2012-01-31 | 위영민 | Slab-type box girder made by precast concrete and method constructing the bridge therewith |
| CN104452591A (en) * | 2014-10-17 | 2015-03-25 | 中铁建大桥工程局集团第五工程有限公司 | Cast-in-place box beam construction technology applied to bridge constructions |
| CN105568868A (en) * | 2015-12-23 | 2016-05-11 | 重庆建工第十一建筑工程有限责任公司 | Suspension pouring construction method for box girder hanging basket |
| CN106638324A (en) * | 2016-12-30 | 2017-05-10 | 河南省交通规划设计研究院股份有限公司 | Construction method for ultra-high-performance concrete corrugated steel web composite box girder bridge |
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| CN109016127A (en) | 2018-12-18 |
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