CN113756215A - Bridge and tunnel culvert prefabricated part and construction process - Google Patents
Bridge and tunnel culvert prefabricated part and construction process Download PDFInfo
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- CN113756215A CN113756215A CN202111149974.2A CN202111149974A CN113756215A CN 113756215 A CN113756215 A CN 113756215A CN 202111149974 A CN202111149974 A CN 202111149974A CN 113756215 A CN113756215 A CN 113756215A
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 10
- 238000009434 installation Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 230000003014 reinforcing effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000007789 sealing Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 5
- 238000009417 prefabrication Methods 0.000 description 4
- 241000976416 Isatis tinctoria subsp. canescens Species 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
- E01F5/005—Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
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Abstract
The application relates to the technical field of culvert prefabricated parts and discloses a bridge and tunnel culvert prefabricated part and a construction process, wherein the prefabricated part comprises a culvert base, a culvert top cover and a buoyancy assembly, and when ponding exists at the position of a bridge and tunnel culvert, the buoyancy assembly moves in the vertical direction along with the change of the liquid level of the ponding, so that wading running of a vehicle is reduced, and the influence on the passing of the vehicle caused by the ponding existing at the position of the bridge and tunnel culvert is reduced; the construction process comprises foundation construction, culvert base assembly, buoyancy assembly installation and culvert top cover assembly, and the pouring base is formed by pouring concrete, so that the settlement of the bridge and tunnel culvert can be reduced, and the stability of the bridge and tunnel culvert is improved.
Description
Technical Field
The application relates to the technical field of culvert prefabricated parts, in particular to a bridge and tunnel culvert prefabricated part and a construction process.
Background
The culvert is arranged below a roadbed and built in a drainage pore canal below a road surface in the highway engineering construction process, so that water can flow through the lower part of the highway; or cross large and small roads as interchange channels of people and vehicles.
In the related art, as disclosed in chinese patent application No. CN112176893A, a prefabricated component for a bridge culvert is disclosed, which includes a culvert top plate, a first culvert side plate is disposed below one end of the culvert top plate, a second culvert side plate is disposed below the other end of the culvert top plate, the first culvert side plate and the second culvert side plate have the same structure and are symmetrically disposed, the bottom of the first culvert side plate is connected with a first base plate, one side of the bottom of the second culvert side plate, which corresponds to the first base plate, is connected with a second base plate, the bottoms of the first base plate and the second base plate are respectively provided with a base, the tops of the first base plate and the second base plate are respectively inserted with a horizontal steel pipe in the horizontal direction, and a plurality of vertical steel pipes are respectively inserted at two ends of the culvert top plate. Above-mentioned prefabricated component accessory can make and form a body structure after each prefab assembles, and the time interact of atress between each prefab has increased the stability after the culvert prefab assembles, has improved the quality after the prefabricated component accessory of bridge tunnel assembles, the engineering cycle that shortens that can very big degree.
To the correlation technique among the above-mentioned, the inventor thinks that above-mentioned bridge tunnel culvert prefabricated component accessory is assembled in the use, if meet rainfall weather, can make bridge tunnel culvert place produce ponding, and then has the defect that influences the vehicle and pass.
Disclosure of Invention
In order to alleviate the problem that the normal current of vehicle is influenced to the production ponding in bridge tunnel culvert place, the first purpose of this application is to provide a bridge tunnel culvert prefabricated component accessory.
The application provides a pair of prefabricated accessory that constructs of bridge tunnel culvert adopts following technical scheme:
the utility model provides a bridge tunnel culvert prefabricated part, includes culvert overhead guard and culvert base, the culvert overhead guard with the culvert base is connected and is formed the current space that supplies vehicle to pass, be provided with buoyancy assembly in the current space, buoyancy assembly is used for supplying vehicle to pass, buoyancy assembly follows the liquid level of ponding and risees and vertical upward movement.
Through adopting above-mentioned technical scheme, when assembling bridge tunnel culvert, place the culvert base earlier, then place buoyancy module on the culvert base, then install the culvert overhead guard on the culvert base, form current space between culvert overhead guard and the culvert base, when rainfall weather bridge tunnel culvert department produces ponding, buoyancy module is along with the rising of ponding water level and upward movement, when the vehicle passes through the bridge culvert, the vehicle traveles on buoyancy module, thereby reduce wading of vehicle and go, guarantee as far as promptly that the vehicle normally passes through the bridge culvert, and then reduce the normal current condition of vehicle emergence of influence of the ponding production ponding of bridge culvert department.
Optionally, the buoyancy assembly comprises a plurality of support plates and a power structure fixedly connected to the support plates, and the support plates are slidably connected to the passing space along the vertical direction.
Through adopting above-mentioned technical scheme, when the position of bridge tunnel culvert produced ponding, the backup pad upwards moved under power structure's effect, made the backup pad to be located more than the liquid level of bridge tunnel culvert department ponding then to wade when reducing the vehicle through bridge tunnel culvert and go, and then guarantee as far as that the vehicle normally passes through bridge tunnel culvert.
Optionally, the supporting plates at the opening are hinged to hinge plates at one ends close to the outside of the bridge and tunnel culvert.
Through adopting above-mentioned technical scheme, when there is ponding bridge tunnel culvert position, power structure drives the backup pad, makes the backup pad rebound then to make the backup pad drive the articulated slab motion, the articulated slab takes place relative rotation with the backup pad, the articulated slab takes place relative slip with the road surface, the vehicle can move to the backup pad through the articulated slab this moment, and then reaches the effect of making things convenient for the vehicle to pass through the bridge tunnel culvert.
Optionally, the power structure comprises a buoyancy tank fixedly connected with the support plate.
Through adopting above-mentioned technical scheme, when bridge tunnel culvert department produced ponding, the buoyancy tank was along with the liquid level of ponding constantly risees and is moving in vertical direction, makes the buoyancy tank drive the backup pad motion then, and the backup pad moves in vertical direction, backup pad and ponding liquid level separation, and the backup pad drives the articulated slab motion to make the vehicle move to the backup pad through the articulated slab and pass bridge tunnel culvert on, the rising of ponding liquid level has been followed to this in-process backup pad has realized automatic motion.
Optionally, the power structure further comprises a winch fixedly connected in the culvert top cover, and a steel wire rope of the winch is fixedly connected with the support plate.
Through adopting above-mentioned technical scheme, when the cart that has the goods through the bridge tunnel culvert, the gravity that the backup pad received this moment probably is greater than the buoyancy of buoyancy case to the backup pad, starts the hoist engine this moment, makes then the hoist engine to carry out the rolling to the wire rope on self, and wire rope drives the backup pad to backup pad upward movement, the liquid level separation of backup pad and ponding, and then the water that wades when reducing the vehicle through the bridge tunnel culvert is gone.
Optionally, a steel wire rope of the winch is fixedly connected with the supporting plate through a sliding shaft, a sliding groove body is fixedly connected in the passing space, and the sliding shaft is slidably connected in the sliding groove body.
Through adopting above-mentioned technical scheme, when the hoist engine carries out the rolling to the wire rope on self, wire rope stimulates the sliding shaft, the sliding shaft moves in the spout body, can reach the effect that makes things convenient for the staff to link together the wire rope of hoist engine and backup pad on the one hand, on the other hand the sliding shaft is by the wire rope when pulling the motion, the relative slip takes place for sliding shaft and spout body to make the cooperation of sliding shaft and spout body lead to the motion of backup pad, and then increase the stability when backup pad moves.
Optionally, a connecting plate is arranged between two adjacent support plates, one end of the connecting plate is hinged to the end of one support plate, and the other end of the connecting plate is abutted against the top of the other support plate.
Through adopting above-mentioned technical scheme, when two adjacent backup pads take place relative motion, a backup pad drives the linkage plate motion, and relative rotation takes place for one backup pad in the one end of linkage plate and a backup pad, and relative slip takes place for the other end of linkage plate and another backup pad, through being provided with the linkage plate between two adjacent backup pads, rocking when reducing the vehicle walking between two adjacent backup pads can increase the stability of vehicle when between two backup pads.
Optionally, the culvert base includes a first half seat and a second half seat connected to the first half seat, and the first half seat and the second half seat are both connected to the culvert top cover.
Through adopting above-mentioned technical scheme, when prefabricating the culvert base, adopt half first seat and half second seat to part prefabricated mode, reduce the degree of difficulty when prefabricating the culvert base on the one hand, on the other hand reduces the degree of difficulty when lifting the culvert base and transporting.
Optionally, the culvert top cover comprises a first half cover and a second half cover connected to the first half cover, the first half cover is connected to the first half seat, the second half cover is connected to the second half seat, a support wall is connected to a connection position of the first half seat and the second half seat, and one end of the support wall is connected to the first half cover and the second half cover.
Through adopting above-mentioned technical scheme, when prefabricating the culvert overhead guard, adopt half first cover and half second cover separately prefabricated mode, reduce the degree of difficulty when prefabricating the culvert overhead guard on the one hand, on the other hand conveniently lifts the transport to the culvert overhead guard, through set up the knee wall in current space, can reduce the hookup location department downwardly moving's of half first cover and half second condition and take place, increase the stability of culvert overhead guard.
In order to increase the stability of the bridge culvert prefabricated part after the bridge culvert prefabricated part is assembled. The second purpose of this application is to provide a construction technology of bridge tunnel culvert prefabricated part.
The application provides a construction process of prefabricated accessory of constructing of bridge tunnel culvert adopts following technical scheme:
a construction process of prefabricated components of a bridge and tunnel culvert comprises the following steps:
s1, constructing a foundation, namely excavating a foundation pit on the foundation, inserting reinforcing steel bars into the foundation pit, pouring concrete into the foundation pit, and forming a pouring base on a ground surface;
s2, assembling the culvert base, connecting the culvert base to the pouring base, and connecting the first half seat and the second half seat together;
s3, installing a buoyancy assembly, namely installing a support plate on a culvert base, and then installing a hinge plate and a connecting plate;
s4, installing a culvert top cover, connecting the first half cover to the first half seat, connecting the second half cover to the second half seat, simultaneously connecting the first half cover and the second half cover together, and finally installing a winch.
By adopting the technical scheme, when the prefabricated bridge and tunnel culvert accessories are constructed, firstly, a foundation pit is excavated at the position where the bridge and tunnel culvert needs to be constructed, then reinforcing steel bars are inserted into the foundation pit, then concrete is poured into the foundation pit, so that a pouring base is formed on the foundation pit, after the concrete is solidified, a first half seat and a second half seat are connected on the pouring base, meanwhile, the first half seat and the second half seat are connected together, then a support plate is installed on the culvert base, then a hinged plate and a connecting plate are installed, then the first half cover is connected on the first half seat, the second half cover is connected on the second half seat, meanwhile, the first half cover and the second half cover are connected together, finally, a winch is installed, namely, the construction of the prefabricated bridge and tunnel culvert accessories is completed, by arranging the pouring base, the prefabricated bridge and tunnel culvert accessories can be reduced after the construction is completed, the prefabricated accessory that constructs of bridge tunnel culvert subsides, and then reaches the stability that increases the prefabricated accessory that constructs of bridge tunnel culvert.
In summary, the present application includes at least one of the following beneficial technical effects:
by arranging the culvert top cover, the culvert base and the buoyancy assembly, the culvert top cover and the culvert base are connected together to form a driving space, the buoyancy assembly is connected in the driving space in a sliding mode along the vertical direction, when accumulated water exists at the position of the bridge and tunnel culvert, the buoyancy assembly moves upwards vertically, and when a vehicle passes through the bridge and tunnel culvert, the vehicle runs on the buoyancy assembly and passes through the bridge and tunnel culvert through the buoyancy assembly, so that the occurrence of the condition that the vehicle wades for running is reduced, and the condition that the accumulated water exists at the position of the bridge and tunnel culvert to influence the normal running of the vehicle is further reduced;
by arranging the supporting plate and the power structure, when accumulated water is generated at the position of the bridge and tunnel culvert, the power structure drives the supporting plate, so that the supporting plate moves in the running space, the supporting plate is located above the liquid level of the accumulated water, and a vehicle can pass through the bridge and tunnel culvert through the supporting plate, so that the occurrence of wading running of the vehicle is reduced;
through setting up the articulated slab in the backup pad of entrance to a cave department, when power structure driven the backup pad, the articulated slab took place relative rotation with the backup pad, and the articulated slab is kept away from the one end of backup pad and is taken place relative slip with the road surface, and when the vehicle was through the bridge tunnel culvert, the vehicle traveled the backup pad through the articulated slab on, and then the security when increasing the vehicle and passing the bridge tunnel culvert.
Drawings
FIG. 1 is a schematic structural diagram of a bridge culvert prefabricated part according to an embodiment of the application;
FIG. 2 is a partial cross-sectional view of a pre-fabricated bridge culvert assembly of an embodiment of the present application, showing primarily the power structure;
FIG. 3 is an enlarged view of portion A of FIG. 2;
figure 4 is another perspective structural view of the pre-fabricated bridge culvert assembly of the present application, showing primarily the extension panels;
fig. 5 is a flow chart of a construction process of prefabricated components of a bridge and tunnel culvert.
Description of reference numerals: 100. a culvert top cover; 110. a first half cover; 111. a second tension plate; 120. a second half cover; 200. a culvert base; 210. a first half seat; 211. an extension plate; 212. a first tension plate; 220. a second half seat; 221. a drain hole; 300. a traffic space; 400. a buoyancy assembly; 410. a support plate; 411. a sliding shaft; 412. a chute body; 413. a hinge plate; 414. a connector tile; 415. a guide plate; 420. a power structure; 421. a buoyancy tank; 422. a winch; 423. a sealing plug; 500. and (7) supporting the wall.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses prefabricated accessory of constructing of bridge tunnel culvert.
Referring to fig. 1 and 2, a bridge culvert pre-construction kit includes a culvert top cover 100 and a culvert base 200, the culvert top cover 100 and the culvert base 200 are connected, and the culvert top cover 100 and the culvert base 200 are connected together to form a passing space 300 for vehicles to pass through. In order to reduce during the rainfall weather, there is ponding influence vehicle normal current's condition to take place in bridge tunnel culvert position, be provided with buoyancy module 400 in the space of passing 300, buoyancy module 400 is used for supplying the vehicle to travel at its top, after bridge tunnel culvert position formed ponding, buoyancy module 400 is followed the rising of ponding liquid level and is in the upward movement of vertical direction, thereby when reducing the vehicle and passing bridge tunnel culvert, the condition that needs wade and travel takes place, and then reduce the normal current condition of vehicle emergence of influence of bridge tunnel culvert position ponding.
In order to increase the stability of the vehicle running on the buoyancy module 400, the buoyancy module 400 includes a plurality of support plates 410 and a plurality of power structures 420, and one power structure 420 is fixedly connected to one support plate 410. The support plates 410 are all disposed in the passing space 300. When there is ponding in the position of bridge tunnel culvert place, power structure 420 drives backup pad 410, makes backup pad 410 upward movement then to make backup pad 410 highly be higher than the height of ponding liquid level for the horizontal plane, realize the effect that the vehicle can pass the bridge tunnel culvert through backup pad 410 promptly, and then increase the stability that the vehicle went on buoyancy component 400.
In order to realize that the support plate 410 moves upwards along with the continuous rising of the surface of the accumulated water, the power structure 420 comprises a buoyancy tank 421, the buoyancy tank 421 is arranged in a sealing manner, and the buoyancy tank 421 is fixedly connected with the bottom of the support plate 410. When there is ponding tunnel culvert position department, buoyancy case 421 floats in ponding under the effect of buoyancy, makes buoyancy case 421 drive backup pad 410 then to make backup pad 410 upward movement, realize backup pad 410 along with the continuous rising and the upward movement of ponding liquid level promptly.
When the cart with the goods runs on the supporting plate 410, the pressure applied to the supporting plate 410 by the cart with the goods may be greater than the buoyancy applied to the supporting plate 410 by the buoyancy tank 421, so that the supporting plate 410 is easily submerged into water, the cart wades to run, and the safety of the cart running on the supporting plate 410 is affected.
In order to increase the safety of the cart traveling on the support plate 410, each power structure 420 further includes four winches 422, and the four winches 422 are respectively disposed at four corners of the corresponding support plate 410. The wire rope of the winch 422 is fixedly connected with the support plate 410, and the winch 422 is fixedly connected to the culvert top cover 100. When water accumulates at the position of the bridge culvert, the buoyancy tank 421 drives the support plate 410, so that the support plate 410 moves upwards, then, the winding machine 422 is started, the winding machine 422 winds the steel wire rope, so that the steel wire rope on the winding machine 422 is in a straight state, when the cart filled with goods runs onto the supporting plate 410, the cart applies pressure to the supporting plate 410, so that the support plate 410 has a tendency of moving downward, the support plate 410 drives the steel wire rope on the winch 422 to move, the steel wire rope gradually becomes a tension state, the steel wire rope in the tension state applies a pulling force to the support plate 410, thereby reducing the downward movement of the support plate 410, and then reduce the condition that the cart needs to wade and go and take place, increase the security that the cart went on the backup pad 410 on the one hand, on the other hand reduces the cart and goes on backup pad 410 and back backup pad 410 rocks, increases the stability of backup pad 410.
In order to conveniently and fixedly connect the steel wire rope on the winch 422 with the support plate 410 and increase the stability of the support plate 410 moving in the vertical direction, the steel wire rope of the winch 422 is fixedly connected with the support plate 410 through the sliding shaft 411, the steel wire rope of the winch 422 is fixedly connected with the sliding shaft 411, and the sliding shaft 411 is coplanar with the support plate 410 and is fixedly connected with the support plate 410. A plurality of chute bodies 412 are vertically disposed in the passing space 300, and openings of the chute bodies 412 are disposed toward a direction in which the support plate 410 is located. One section of the chute body 412 is fixedly connected with the culvert base 200, and the other section of the chute body 412 is fixedly connected with the culvert top cover 100. A sliding shaft 411 is slidably connected to a sliding chute body 412, and the steel wire rope unwound from the winding machine 422 is located in the corresponding sliding chute body 412.
When the steel wire rope on the winch 422 is fixedly connected with the support plate 410, the steel wire rope on the winch 422 is fixedly connected with the corresponding sliding shaft 411, so that the effect of conveniently and fixedly connecting the steel wire rope with the support plate 410 by a worker is achieved. When the support plate 410 moves in the vertical upward direction, the sliding shaft 411 slides in the corresponding sliding groove body 412, so that the sliding shaft 411 and the sliding groove body 412 are matched to guide the movement of the support plate 410, the stability of the support plate 410 during movement is improved, the deflection movement of the support plate 410 in the vehicle running direction is reduced, and the stability of the vehicle running on the support plate 410 is improved.
In order to facilitate the vehicle to run onto the support plate 410 when water is accumulated at the position of the bridge and tunnel culvert, the hinge plate 413 is arranged at one end, facing the outside of the bridge and tunnel culvert, of the support plate 410 at the position of the tunnel mouth. One end of the hinge plate 413 is hinged with one end of the support plate 410 facing the bridge tunnel culvert, and the other end of the hinge plate 413 abuts against the road surface. When the supporting plate 410 moves upwards under the action of the power structure 420, the supporting plate 410 drives the hinge plate 413 to move, the hinge plate 413 and the supporting plate 410 rotate relatively, the hinge plate 413 slides relative to the road surface, and at the moment, when the vehicle wants to pass through a bridge and tunnel culvert, the vehicle can run onto the hinge plate 413 and then runs onto the supporting plate 410 through the hinge plate 413, so that the effect of facilitating the vehicle to run onto the supporting plate 410 is achieved.
Referring to fig. 2 and 3, when prefabricating the support plates 410, the total length of the support plates 410 is required to be smaller than the total length of the bridge and tunnel culvert, when the support plates 410 are installed, in order to guarantee the normal movement of the single support plate 410 as much as possible, gaps are required to be reserved between two adjacent support plates 410, and then when a vehicle runs to the connection position of the two adjacent support plates 410, the gaps between the two adjacent support plates 410 can impact the tire of the vehicle, so that the vehicle is easy to blow out when running to the gaps between the two adjacent support plates 410, and further, the running of the vehicle is caused with danger.
In order to increase the safety of the vehicle passing through the bridge culvert, a connecting plate 414 is arranged between two adjacent support plates 410, one end of the connecting plate 414 is hinged with one support plate 410, and the other end of the connecting plate 414 is abutted against the top of the other support plate 410. When the support plate 410 moves in the vertical direction, the support plate 410 drives the connecting plate 414 to move, so that the connecting plate 414 and the support plate 410 move relatively, thereby reducing the impact of the gap between the two adjacent support plates 410 on tires when a vehicle passes through the gap between the two support plates 410, reducing the occurrence of the condition that the tires are easily blown out when the vehicle runs in a bridge culvert, and further increasing the safety when the vehicle passes through the bridge culvert.
In order to increase the stability of the vehicle when passing through the bridge culvert, the two ends of the connecting plate 414 are hinged with guide plates 415, and one end, away from the connecting plate 414, of each guide plate 415 is obliquely arranged, so that the guide plates 415 guide the running of the vehicle. One guide plate 415 abuts against the top of one support plate 410 and the other guide plate 415 abuts against the top of the other support plate 410. When the supporting plate 410 moves in the vertical direction, the connecting plate 414 moves relative to the supporting plate 410, and the guide plate 415 rotates relative to the connecting plate 414, so that the top of the guide plate 415 and the top of the supporting plate 410 are kept in collision, the situation that one end of the connecting plate 414 is tilted to influence the passing of a vehicle connection is reduced, the shaking of the vehicle in the vertical direction when the vehicle passes through the connecting plate 414 is reduced, and the stability of the vehicle passing through a bridge culvert is improved.
Referring to fig. 1 and 2, in order to facilitate prefabrication of the culvert base 200 in a factory, the culvert base 200 includes a first half-seat 210 and a second half-seat 220, the first half-seat 210 and the second half-seat 220 are both L-shaped, reinforcing bars are embedded in the first half-seat 210 and the second half-seat 220 in the prefabrication process in the factory, and holes are prefabricated at each end of the first half-seat 210 and the second half-seat 220. When the first half-seat 210 and the second half-seat 220 are connected, the reinforcing steel bars of the first half-seat 210 near the end of the second half-seat 220 are inserted into the corresponding prefabricated holes of the second half-seat 220, the reinforcing steel bars of the second half-seat 220 near the end of the first half-seat 210 are inserted into the corresponding prefabricated holes of the first half-seat 210, and then concrete is poured into the prefabricated holes, so that the first half-seat 210 and the second half-seat 220 are connected together. When the mill is prefabricated culvert base 200, divide separately prefabricating first half seat 210 and second half seat 220, reduce the degree of difficulty when the mill is prefabricated culvert base 200 on the one hand, make things convenient for the mill to prefabricate culvert base 200, on the other hand can make things convenient for the mill to carry first half seat 210 and second half seat 220.
In order to facilitate prefabrication of the culvert top cover 100 in a factory, the culvert top cover 100 comprises a first half cover 110 and a second half cover 120, the first half cover 110 and the second half cover 120 are both L-shaped, reinforcing steel bars are embedded in the prefabricated process of the first half cover 110 and the second half cover 120 in the factory, and holes are prefabricated at each end of the first half cover 110 and the second half cover 120. When the mill is prefabricated culvert top cover 100, divide the prefabrication to half first cover 110 and half second cover 120, reduce the degree of difficulty when the mill is prefabricated culvert top cover 100 on the one hand, make things convenient for the mill to prefabricate culvert top cover 100, on the other hand can make things convenient for the mill to carry half first cover 110 and half second cover 120.
When the first half cover 110 and the second half cover 120 are coupled, the reinforcing bars of the first half cover 110 near the end of the second half cover 120 are inserted into the prefabricated holes of the second half cover 120, the reinforcing bars of the second half cover 120 near the end of the first half cover 110 are inserted into the prefabricated holes of the first half cover 110, and then concrete is poured into the prefabricated holes, so that the first half cover 110 and the second half cover 120 are coupled together. Then, inserting the reinforcing steel bars of the first half cover 110 close to the end of the first half base 210 into the prefabricated holes on the first half base 210, and inserting the reinforcing steel bars of the first half base 210 close to the end of the first half cover 110 into the prefabricated holes on the first half cover 110; the reinforcing bars of the second half cover 120 near the end of the second half cover 220 are inserted into the prefabricated holes of the second half cover 220, the reinforcing bars of the second half cover 220 near the end of the second half cover 120 are inserted into the prefabricated holes of the second half cover 120, and then concrete is poured into the prefabricated holes, so that the first half cover 110 and the second half cover 120 are coupled together, the first half cover 110 and the first half cover 210 are coupled together, and the second half cover 120 and the second half cover 220 are coupled together.
In order to increase the stability of the culvert top cover 100, a support wall 500 is vertically arranged in the passing space 300, the support wall 500 is hollow, and when the support wall 500 is prefabricated, reinforcing steel bars are embedded in the support wall 500. One end of the support wall 500 is connected to the connection position of the first half shell 110 and the second half shell 120, and the other end of the support wall 500 is connected to the connection position of the first half seat 210 and the second half seat 220. The reinforcing bars at one end of the support wall 500 are fixedly coupled to the reinforcing bars in the first and second half seats 210 and 220, and the reinforcing bars at the other end of the support wall 500 are fixedly coupled to the reinforcing bars in the first and second half covers 110 and 120. When the culvert top cover 100 is stressed, the support wall 500 supports the first half cover 110 and the second half cover 120, and meanwhile, the support wall 500 can play a role in connecting the first half cover 110 and the second half cover 120, plays a role in connecting the first half seat 210 and the second half seat 220, and further achieves the purpose of increasing the stability of the culvert top cover 100.
Referring to fig. 1 and 4, after the construction of the bridge and tunnel culvert is completed, the structures located at both sides of the bridge and tunnel culvert make the first half seat 210 and the second half seat 220 have a tendency of rotating toward a direction of approaching each other, so that the first half seat 210 and the second half seat 220 are unstable, and finally the bridge and tunnel culvert may collapse.
In order to reduce the collapse of the bridge and tunnel culvert, the first half seat 210 and the second half seat 220 are fixedly connected with an extension plate 211 on one side, the extension plate 211 is fixedly connected with a first tension plate 212, the first tension plate 212 is fixedly connected with the first half seat 210 or the second half seat 220, and one side of the first tension plate 212 departing from the first half seat 210 or the second half seat 220 is inclined. The first half cover 110 and the second half cover 120 are fixedly connected with a second tension plate 111 on one side away from each other, one side of the second tension plate 111 away from the first half cover 110 or the second half cover 120 is obliquely arranged, and the inclination angle is consistent with that of the first tension plate 212.
When the bridge culvert is in normal use, the structure of bridge culvert both sides is pressed on extending the board 211 and is exerted pressure to extending the board 211, first pulling force board 212 is to first half seat 210 or the half seat 220 of second application pulling force, second pulling force board 111 is to first half cover 110 or the half cover 120 application pulling force of second, reduce first half seat 210 and the half seat 220 orientation of second and be close to the direction pivoted trend each other promptly, and then increase the stability of first half seat 210 and the half seat 220 of second, reduce the condition emergence that the bridge culvert collapses easily.
Referring to fig. 1 and 2, in order to reduce the occurrence of water accumulation at the position of the bridge and tunnel culvert, drain holes 221 are reserved on the first half seat 210 and the second half seat 220, and the drain holes 221 are communicated with urban underground drainage pipelines. A sealing plug 423 is fixedly connected to the bottom of the buoyancy tank 421, and the sealing plug 423 abuts against the wall of the drain hole 221. When the position of the bridge and tunnel culvert generates accumulated water, the buoyancy tank 421 moves upwards to separate the sealing plug 423 from the drainage hole 221, and the accumulated water at the position of the bridge and tunnel culvert enters the urban drainage pipeline through the drainage hole 221. Along with more and more ponding that gets into in the urban drainage pipe, the position ponding that the bridge tunnel culvert is located is less and less, buoyancy case 421 moves downwards, makes finally sealing plug 423 block up drain hole 221, reduces the anti-scurrying of the rainwater in the urban drainage pipe.
The implementation principle of the prefabricated accessory of constructing of bridge tunnel culvert of this application embodiment does: when there is ponding bridge tunnel culvert position, buoyancy case 421 moves upwards under the effect of buoyancy, and buoyancy case 421 drives backup pad 410, and backup pad 410 upward movement makes backup pad 410 be higher than the ponding liquid level then. When the supporting plate 410 moves upwards, the hinge plates 413 are driven to move, and the hinge plates 413 slide relative to the road surface. Then, the winding machine 422 is started, and the winding machine 422 winds the steel wire rope, so that the steel wire rope is in a straight state. When the vehicle passes through the bridge and tunnel culvert, the vehicle firstly runs to the hinged plate 413, then runs to the supporting plate 410, and finally runs out of the bridge and tunnel culvert through the hinged plate 413 on the other side of the bridge and tunnel culvert.
The embodiment of the application also discloses a construction process of the bridge and tunnel culvert prefabricated part.
Referring to fig. 5, the construction process of the bridge and tunnel culvert prefabricated part comprises the following steps: and S1, constructing the foundation, namely excavating a foundation pit on the foundation, then embedding reinforcing steel bars into the foundation pit, then pouring concrete into the foundation pit, and forming a pouring base on the ground surface after the concrete is solidified.
S2, assembling the culvert base 200, placing the first half-seat 210 and the second half-seat 220 on the casting base, and simultaneously inserting the steel bars of the first half-seat 210 near the end of the second half-seat 220 into the prefabricated holes of the second half-seat 220, inserting the steel bars of the second half-seat 220 near the end of the first half-seat 210 into the prefabricated holes of the first half-seat 210, and then installing the support wall 500 to the connecting position of the first half-seat 210 and the second half-seat 220, so that the steel bars at the bottom of the support wall 500 are fixedly connected with the steel bars of the first half-seat 210 and the second half-seat 220; concrete is then poured into the preformed holes at the ends of the first half-seat 210 and the second half-seat 220 that are close to each other, and the concrete is used to fixedly connect both the first half-seat 210 and the second half-seat 220 to the pouring base.
S3, the buoyancy module 400 is installed by first installing the support plate 410 on the culvert base 200, then placing the chute body 412 and the winch 422 on the support plate 410, and then installing the connector plates 414 and the hinge plates 413 on the support plate 410.
S4, installing the culvert top cover 100, inserting the steel bars of the first half cover 110 close to the end part of the second half cover 120 into the prefabricated holes on the second half cover 120, and inserting the steel bars of the second half cover 120 close to the end part of the first half cover 110 into the prefabricated holes on the first half cover 110; then the steel bars of the first half cover 110 close to the end of the first half base 210 are inserted into the first half base 210, the steel bars of the first half base 210 close to the end of the first half cover 110 are inserted into the prefabricated holes on the first half cover 110, the steel bars of the second half cover 120 close to the end of the second half base 220 are inserted into the prefabricated holes on the second half base 220, and the steel bars of the second half base 220 close to the end of the second half cover 120 are inserted into the prefabricated holes on the second half cover 120; meanwhile, the steel bars on the top of the support wall 500 are fixedly connected with the steel bars on the first half cover 110 and the second half cover 120, concrete is poured into the prefabricated holes, and the concrete is poured into the support wall 500, so that the support wall 500, the first half seat 210 and the second half seat 220 are connected together. Finally, the chute body 412 is fixedly connected in the passing space 300, and the winch 422 is fixedly connected to the culvert top cover 100.
The implementation principle of the construction process of the bridge and tunnel culvert prefabricated part in the embodiment of the application is as follows: when constructing bridge tunnel culvert prefabricated component accessory, earlier excavate the foundation ditch to the construction position, then to pre-buried reinforcing bar in the foundation ditch and pour the concrete in to the foundation ditch, treat that the concrete solidifies for pouring the base. And then assembling the culvert base 200, and fixedly connecting the culvert base 200 and the pouring base together. And then the support wall 500 is installed, then the buoyancy assembly 400 is installed, and finally the culvert top cover 100 is installed, namely the construction of the bridge and tunnel culvert is completed. The pouring base is formed through pouring, the sedimentation of the bridge and tunnel culvert can be reduced, and the stability of the bridge and tunnel culvert is further improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a bridge tunnel culvert prefabricated part which characterized in that: including culvert overhead guard (100) and culvert base (200), culvert overhead guard (100) with culvert base (200) are connected and are formed the current space (300) that supplies the vehicle to pass, be provided with buoyancy module (400) in current space (300), buoyancy module (400) are used for supplying the vehicle to pass, buoyancy module (400) follow the liquid level of ponding and rise and vertical upward movement.
2. The pre-fabricated bridge-culvert component of claim 1, wherein: the buoyancy assembly (400) comprises a plurality of support plates (410) and a power structure (420) fixedly connected to the support plates (410), wherein the support plates (410) are connected in the passing space (300) in a sliding mode along the vertical direction.
3. A pre-fabricated bridge/culvert component as claimed in claim 2, wherein: and one ends of the supporting plates (410) at the openings, which are close to the outside of the bridge and tunnel culvert, are hinged with hinged plates (413).
4. A pre-fabricated bridge/culvert component as claimed in claim 2, wherein: the power structure (420) comprises a buoyancy tank (421) fixedly connected with the support plate (410).
5. A bridge culvert pre-construction accessory according to claim 4, characterized in that: the power structure (420) further comprises a winch (422) fixedly connected to the culvert top cover (100), and a steel wire rope of the winch (422) is fixedly connected with the supporting plate (410).
6. A bridge culvert pre-construction accessory according to claim 4, characterized in that: the steel wire rope of the winch (422) is fixedly connected with the supporting plate (410) through a sliding shaft (411), a sliding groove body (412) is fixedly connected in the passing space (300), and the sliding shaft (411) is slidably connected in the sliding groove body (412).
7. A pre-fabricated bridge/culvert component as claimed in claim 2, wherein: a connecting plate (414) is arranged between two adjacent supporting plates (410), one end of the connecting plate (414) is hinged with the end of one supporting plate (410), and the other end of the connecting plate (414) is abutted against the top of the other supporting plate (410).
8. The pre-fabricated bridge-culvert component of claim 1, wherein: the culvert base (200) comprises a first half-seat (210) and a second half-seat (220) connected to the first half-seat (210), and the first half-seat (210) and the second half-seat (220) are both connected with the culvert top cover (100).
9. A pre-fabricated bridge/culvert component as claimed in claim 8, wherein: the culvert top cover (100) comprises a first half cover (110) and a second half cover (120) connected to the first half cover (110), the first half cover (110) is connected with the first half seat (210), the second half cover (120) is connected with the second half seat (220), a support wall (500) is connected to the connection position of the first half seat (210) and the second half seat (220), and one end of the support wall (500) is connected with the first half cover (110) and the second half cover (120).
10. A construction process of the bridge and tunnel culvert prefabricated part according to any one of claims 1-9, characterized in that: the method comprises the following steps:
s1, constructing a foundation, namely excavating a foundation pit on the foundation, inserting reinforcing steel bars into the foundation pit, pouring concrete into the foundation pit, and forming a pouring base on a ground surface;
s2, assembling the culvert base (200), connecting the culvert base (200) to a pouring base, and connecting the first half seat (210) and the second half seat (220) together;
s3, installing the buoyancy module (400), namely installing a support plate (410) on the culvert base (200), and then installing a hinge plate (413) and a connecting plate (414);
s4, installing the culvert top cover (100), connecting the first half cover (110) to the first half seat (210), connecting the second half cover (120) to the second half seat (220), connecting the first half cover (110) and the second half cover (120) together, and finally installing the winch (422).
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| CN202111149974.2A CN113756215A (en) | 2021-09-29 | 2021-09-29 | Bridge and tunnel culvert prefabricated part and construction process |
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| CN202111149974.2A CN113756215A (en) | 2021-09-29 | 2021-09-29 | Bridge and tunnel culvert prefabricated part and construction process |
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| CN117051732A (en) * | 2023-07-17 | 2023-11-14 | 交通运输部科学研究院 | Coastal highway amphibious and reptile animal channel and layout method thereof |
| CN117051732B (en) * | 2023-07-17 | 2024-05-10 | 交通运输部科学研究院 | Coastal highway amphibious and reptile animal channel and layout method thereof |
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