CN213804957U

CN213804957U - Under-road penetrating structure with good drainage performance

Info

Publication number: CN213804957U
Application number: CN202022326131.2U
Authority: CN
Inventors: 孙宇飞; 王晋宝; 熊峰
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-07-27
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a road underpass structure with good drainage performance, which comprises a reinforced concrete layer, a culvert main body, side walls, middle walls, a top plate, a channel, a drainage ditch, a concrete cushion layer, an installation base layer, an anti-collision wall, a paving layer, a reinforced concrete cover plate, PVC pipes, an installation plate, a filter screen, fixing bolts, a rotating seat, a rotating shaft, a light plastic roller, a lug and a winding post, wherein the culvert main body is installed at the top of the reinforced concrete layer, and the side walls are installed at the two ends of the culvert main body; the construction method of the underpass structure of the road comprises the following steps: firstly, excavating a foundation pit; step two, pouring a foundation; step three, frame-saving construction; constructing the end wing wall; step five, waterproof construction; step six, backfilling construction; step seven, drainage construction; the utility model discloses, the drainage is convenient, and structural mounting is stable, and support and formwork erection are firm, the pouring of the concrete of being convenient for, and water-proof effects is good, and drainage performance is good.

Description

Under-road penetrating structure with good drainage performance

Technical Field

The utility model relates to a wear structure construction technical field under the road specifically is a wear structure under road that drainage performance is good.

Background

In road construction, in order to enable a road to smoothly pass through a ditch without hindering traffic, a drainage pore canal needs to be built under the road, water flows through the drainage pore canal from the lower side of the road and is used for draining flood across natural valley depressions or crossing large and small roads to serve as overpasses for people, livestock and vehicles.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear structure under road that drainage performance is good to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a road underpass structure with good drainage performance comprises a reinforced concrete layer, a culvert body, side walls, middle walls, a top plate, a channel, a drainage ditch, a concrete cushion layer, an installation base layer, an anti-collision wall, a pavement layer, a reinforced concrete cover plate, PVC pipes, an installation plate, installation bolts, a baffle net, installation grooves, pin lugs, pin shafts, a drainage plate, drainage holes, handles, a support frame, a filter screen, fixing bolts, a rotating seat, a rotating shaft, a light plastic roller, a lug and a winding post, wherein the culvert body is installed at the top of the reinforced concrete layer, the side walls are installed at two ends of the culvert body, the middle wall is installed in the middle of the culvert body, the top of the side walls and the top of the middle wall are arranged on the top plate, a channel is formed between the side walls and the middle wall, the concrete cushion layer is paved at one end of the channel, and one end of the top of the concrete cushion layer is connected with the anti-collision wall through the installation base layer, one end of the channel is connected with the installation base layer through the paving layer, a drainage ditch is arranged at the gap between the paving layer and the installation base layer, a reinforced concrete cover plate is paved at the top of the drainage ditch, a PVC pipe is arranged in the middle of the inside of the drainage ditch, a baffle net is arranged between the PVC pipes, mounting plates are arranged at two ends of the baffle net and are fixedly connected with the drainage ditch through mounting bolts, mounting grooves are uniformly formed in the middle of the top of the reinforced concrete cover plate, a pin shaft is arranged at one end of each mounting groove through a pin lug, a lower water plate is arranged at one end of each pin shaft, drain holes are uniformly formed in the lower water plate, a handle is welded at one end of the top of the lower water plate, a filter screen is arranged below the lower water plate and is positioned above the pipe orifice of the PVC pipe, two ends of the filter screen are fixedly connected with a support frame through the fixing bolts, and the support frame is fixedly connected with two sides of the inner wall of the drainage ditch, the filter screen is provided with a rotating shaft through a rotating seat, the rotating shaft is sleeved with a light plastic roller, and the surface of the light plastic roller is uniformly provided with a convex block and a winding post.

A construction method of a road underpass structure with good drainage performance comprises the following steps: firstly, excavating a foundation pit; step two, pouring a foundation; step three, frame-saving construction; constructing the end wing wall; step five, waterproof construction; step six, backfilling construction; step seven, drainage construction;

in the first step, open cut construction is adopted, the excavation depth of the base is confirmed according to measurement and layout, the manual operation is matched with an excavator to act, after the foundation pit is excavated, an annular drainage channel is arranged in the foundation pit along the periphery of the base to drain water, a water collecting well is arranged when the water quantity is large, a water pump is adopted to pump water and reduce the water at any time, and a water retaining bank is arranged at the top of the foundation pit;

in the second step, after the foundation pit is excavated, the foundation pit is checked to meet the standard requirements, the foundation concrete is cast and constructed, a reinforced concrete layer is cast, the foundation concrete is mechanically mixed, the foundation concrete is transported to the site by a concrete tank truck, the concrete is cast into a mold by a chute, and the tamping process is carried out according to the standard requirements;

in the third step, after the bottom plate and the side wall steel bars are bound, constructing a culvert main body, erecting and supporting the side forms of the template and reinforcing, fixing the bottom layer and the top layer by using stirrups and uniformly distributing the bottom layer and the top layer in a bottom template steel bar framework, laying a springboard on the top surface of the foundation, erecting a bottom plate concrete platform, after the steel bars and the template are qualified, pouring bottom plate concrete, binding side wall and middle wall steel bars after the strength of the bottom plate concrete meets the requirement, then erecting an inner mold and an outer mold of the side wall and the middle wall, after the template is reinforced, binding top plate steel bars, after the steel bar template is inspected, pouring concrete, and after the strength of the culvert body concrete meets the requirement, dismantling the side forms;

in the fourth step, after the frame construction is carried out, building the end wing walls after the strength of the foundation concrete reaches the design requirement, ensuring that the gradient of each surface meets the standard requirement, roughening the connection part of the foundation concrete surface and the wing walls, and ensuring that the model is firmly reinforced before pouring;

cleaning the concrete surface outside the side wall, brushing polyurethane waterproof paint, cleaning the settlement joint, filling the settlement joint by adopting M10 cement mortar and polystyrene foam plastic plates, and adhering two layers of self-adhesive EVA waterproof layers on the upstream surface at the settlement joint, the post-cast strip joint and the construction joint for reinforcement;

in the sixth step, wall back backfilling construction is carried out after the water-proof layer of the culvert is finished and the strength of the top plate concrete reaches 100%, backfilling is carried out symmetrically, and layered filling and layered rolling are carried out to ensure smooth slope;

and seventhly, dismantling scaffolds in the channel according to regulations, constructing drainage ditches at two ends of the channel, arranging PVC pipes with the diameter of 10cm at every 5.0m of each drainage ditch, sealing the top of each ditch by using reinforced concrete cover plates, arranging a filtering structure in each drainage ditch, arranging a water intercepting ditch at a proper position outside the channel, performing drainage pump house pumping drainage and water collection at a low point, and pumping and draining the water to the ground by using the drainage pipes.

According to the technical scheme, in the first step, the excavating of the excavator is stopped when the excavation reaches about 15cm above the designed elevation, and the residual excavation amount is finished manually.

According to the technical scheme, in the first step, foundation bearing capacity detection is carried out on the foundation after excavation, foundation concrete construction can be carried out only after the bearing capacity meets the requirement, and if the bearing capacity does not meet the requirement, the excavation depth is continued.

According to the technical scheme, in the third step, in order to facilitate template reinforcement and settlement joint retention, the culvert body is constructed at intervals in sections, each section of culvert body template is also constructed twice, the outer mold is firstly provided with one layer, and the settlement joint template of each section is perpendicular to the position of the foundation settlement joint on the same line.

According to the technical scheme, after the supports are erected and corrected, the shear supports are vertically and horizontally arranged at intervals of a hole for reinforcement, and the pull rods and the inclined supports are arranged for correction and reinforcement when the outer die is installed.

According to the technical scheme, in the fifth step, the top surface of the culvert is leveled by M10 cement mortar, and a waterproof roll is laid on the top surface of the culvert after a 2% bidirectional drainage slope is formed.

According to the technical scheme, in the fifth step, a water stop belt is arranged at the settlement joint between the joints.

Compared with the prior art, the beneficial effects of the utility model are that: the method comprises the steps of excavating a foundation pit, arranging an annular drainage channel around a base in the foundation pit for drainage, arranging a water collecting well when water amount is large, pumping water at any time by using a water pump for dewatering, arranging a water retaining bank at the top of the foundation pit, fully draining, pouring and reinforcing a concrete layer and foundation concrete to reinforce the structural strength of a base layer, erecting and reinforcing the side forms of a formwork after the binding of reinforcing steel bars of a bottom plate and side walls is finished, fixing and uniformly distributing the side forms and the reinforcing steel bars in a bottom formwork steel bar framework by using stirrups, paving a springboard on the top surface of the foundation, erecting a concrete platform of the bottom plate, pouring concrete of the bottom plate after the checking of the reinforcing steel bars and the formwork is qualified, binding reinforcing steel bars of a side wall and a middle wall after the strength of the concrete of the bottom plate meets requirements, erecting the side wall, the middle inner formwork and an outer formwork, binding the top plate after the reinforcing steel bars are checked, beginning to pour concrete, ensuring firm installation and facilitating the pouring of the concrete, the polyurethane waterproof coating is coated, waterproof reinforcement is carried out on a settlement joint, a post-cast strip joint and a construction joint, and meanwhile, a waterproof coiled material is laid behind a drainage slope, so that the waterproof effect is improved; set up the escape canal at the passageway both ends, the suitable position outside the passageway sets up the catch basin, it catchments to do the drainage pump house pump drainage at the low point, utilize the drain pipe pump drainage to ground, improve drainage performance, improve anticollision effect through the anticollision wall, lay the PVC pipe in the escape canal and carry out the drainage, carry out the prefilter drainage through the board of launching, filter the drainage once more through the filter screen, and the lug through light plastic drum surface and the linear rubbish of wrapping post to the aquatic are convoluteed, the setting that keeps off the net simultaneously filters section by section, prevent that rubbish from blockking up the influence drainage.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a drawing of a bottom view of the present invention;

FIG. 2 is a schematic view of the drainage ditch of the present invention;

FIG. 3 is a view showing the installation structure of the lower water plate of the present invention;

FIG. 4 is a diagram of the structure of the installation of the filter screen of the present invention;

FIG. 5 is a flow chart of the construction method of the present invention;

in the figure: 1. reinforcing the concrete layer; 2. a culvert body; 3. a side wall; 4. a middle wall; 5. a top plate; 6. a channel; 7. a drainage ditch; 8. a concrete cushion; 9. installing a base layer; 10. an anti-collision wall; 11. a paving layer; 12. a reinforced concrete cover plate; 13. PVC pipes; 14. mounting a plate; 15. installing a bolt; 16. blocking the net; 17. mounting grooves; 18. a pin lug; 19. a pin shaft; 20. a water discharge plate; 21. a drain hole; 22. a handle; 23. a support frame; 24. filtering with a screen; 25. fixing the bolt; 26. a rotating seat; 27. a rotating shaft; 28. a lightweight plastic drum; 29. a bump; 30. and (4) winding the wire column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a structure is worn under road that drainage performance is good, including reinforced concrete layer 1, culvert main part 2, side wall 3, middle wall 4, roof 5, passageway 6, escape canal 7, concrete bed course 8, installation basic unit 9, crashproof wall 10, the layer 11 of mating formation, reinforced concrete apron 12, PVC pipe 13, mounting panel 14, construction bolt 15, keep off net 16, mounting groove 17, round pin ear 18, round pin axle 19, lower water board 20, wash port 21, handle 22, support frame 23, filter screen 24, fixing bolt 25, rotation seat 26, pivot 27, light plastic drum 28, lug 29 and wrapping post 30, its characterized in that: the reinforced concrete culvert is characterized in that a culvert body 2 is installed at the top of a reinforced concrete layer 1, side walls 3 are installed at two ends of the culvert body 2, a middle wall 4 is installed in the middle of the culvert body 2, the tops of the side walls 3 and the middle wall 4 are arranged on a top plate 5, a channel 6 is formed between the side walls 3 and the middle wall 4, a concrete cushion 8 is laid at one end of the channel 6, one end of the top of the concrete cushion 8 is connected with an anti-collision wall 10 through an installation base layer 9, one end of the channel 6 is connected with the installation base layer 9 through a paving layer 11, a drainage ditch 7 is arranged at the gap between the paving layer 11 and the installation base layer 9, a reinforced concrete cover plate 12 is laid at the top of the drainage ditch 7, PVC pipes 13 are arranged in the middle of the interior of the drainage ditch 7, a blocking net 16 is arranged between the PVC pipes 13, installation plates 14 are installed at two ends of the blocking net 16, the installation plates 14 are fixedly connected with the drainage ditch 7 through installation bolts 15, installation grooves 17 are uniformly formed in the middle of the top of the reinforced concrete cover plate 12, the round pin axle 19 is installed through round pin ear 18 to mounting groove 17 one end, 19 one ends of round pin axle are installed and are fallen water board 20, wash port 21 has evenly been seted up on the board 20 of falling water, it has handle 22 to weld 20 top one end of board down, it is provided with filter screen 24 to fall water board 20 below, and filter screen 24 is located PVC pipe 13 mouth of pipe top, fixing bolt 25 and support frame 23 fixed connection are passed through to filter screen 24 both ends, and support frame 23 and 7 inner wall both sides fixed connection in escape canal, install pivot 27 through rotating seat 26 on the filter screen 24, and cup jointed light plastic cylinder 28 on the pivot 27, light plastic cylinder 28 surface evenly is provided with lug 29 and wrapping post 30.

in the first step, the open cut method is adopted for construction, the excavation depth of the base is confirmed according to measurement and layout, the manual operation is matched with an excavator to act, after the foundation pit is excavated, an annular drainage channel is arranged along the periphery of the base in the foundation pit for drainage, a water collecting well is arranged when the water quantity is large, a water pump is adopted to pump water and reduce water at any time, a water retaining bank is arranged at the top of the foundation pit, in the first step, the excavation is stopped when the excavation reaches about 15cm above the designed elevation, and the residual excavation quantity is finished manually; in the first step, foundation bearing capacity detection is carried out on a base after excavation, foundation concrete construction can be carried out only after the bearing capacity meets the requirement, and if the bearing capacity does not meet the requirement, excavation depth is continued;

in the second step, after the foundation pit is excavated, the foundation pit is checked to meet the standard requirements, the foundation concrete is cast, a reinforced concrete layer 1 is cast, the foundation concrete is mechanically mixed, the foundation concrete is transported to the site by a concrete tank truck, the foundation concrete is cast into a mold by a chute, and the tamping process is carried out according to the standard requirements;

wherein in the third step, after the binding of the bottom plate and the side wall steel bars is finished, the construction of the culvert body 2 is carried out, the side forms of the template are erected and reinforced, the bottom layer and the top layer are fixed and uniformly distributed in the bottom template steel bar framework by the stirrups, the springboards are laid on the top surface of the foundation, the bottom plate concrete platform is erected, after the steel bars and the template are inspected to be qualified, the bottom plate concrete is poured, after the strength of the bottom plate concrete meets the requirement, the side walls 3 and the middle walls 4 are bound, then the inner forms and the outer forms of the side walls 3 and the middle walls 4 are erected, after the template is reinforced, the steel bars of the top plate 5 are bound, after the steel bar template is inspected, the concrete is poured, after the strength of the culvert body concrete meets the requirement, the side forms are removed, in the third step, the settlement joints are reinforced and kept in place conveniently, the culvert body is constructed by adopting the interval sections, each section of the culvert template is constructed by two times, the outer forms are firstly installed by one layer, the settlement joint template of each section is perpendicular to a line with the position of the foundation settlement joint; in the third step, after the support is erected and corrected, the shear supports are arranged at intervals of one hole in a longitudinal and transverse mode for reinforcement, and the pull rods and the inclined supports are arranged for correction and reinforcement when the outer mold is installed;

cleaning the concrete surface on the outer side of the side wall 3 in the fifth step, brushing polyurethane waterproof paint, cleaning a settlement joint, filling the settlement joint by adopting M10 cement mortar and polystyrene foam plastic plates, adhering two layers of self-adhesive EVA waterproof layers additionally on the upstream surface of the settlement joint, the post-cast strip joint and the construction joint for reinforcement, leveling the top surface of the culvert by using M10 cement mortar in the fifth step, and paving a waterproof coiled material on the culvert after a 2% bidirectional drainage slope is formed; step five, arranging a water stop at the settlement joint between the joints;

in the sixth step, wall back backfilling construction is carried out after the water-proof layer of the culvert is finished and the strength of the concrete of the top plate 5 reaches 100%, backfilling is carried out symmetrically, and layered filling and layered rolling are carried out to ensure smooth slope;

and seventhly, dismantling scaffolds in the channel 6 according to the specification, constructing drainage ditches 7 at two ends of the channel 6, arranging PVC pipes 13 with the diameter of 10cm at every 5.0m of the drainage ditches 7, sealing ditch tops by using reinforced concrete cover plates 12, arranging filter structures in the drainage ditches 7, arranging intercepting ditches at proper positions outside the channel 6, performing drainage and water collection of a drainage pump room at a low point, and draining to the ground by using drainage pipes.

Based on the above, the utility model has the advantages that, the utility model discloses, the foundation ditch excavation sets up annular drainage canal along the base around in the foundation ditch drainage, set up the sump pit when the water yield is great, adopt the water pump to draw water at any time and reduce water, and set up the manger plate bank between fields at the foundation ditch top, carry out abundant drainage, through pouring reinforced concrete layer 1 and foundation concrete, strengthen basic unit's structural strength, after bottom plate and side wall reinforcement are finished, upright template side form and reinforcement, fix evenly distribute in bottom template steel reinforcement skeleton with the stirrup, lay the springboard on the foundation top surface, set up the bottom plate concrete platform, after the reinforcing bar and template inspection is qualified, begin to pour bottom plate concrete, when the bottom plate concrete strength accords with the requirement, ligature side wall 3 and middle wall 4 reinforcing bar, then prop up side wall 3 and middle wall 4 centre form and external mold, after template reinforcement is finished, ligature roof 5 reinforcing bar, after the steel bar formwork is checked, concrete is poured, firm installation is guaranteed, pouring of the concrete is facilitated, polyurethane waterproof paint is coated, waterproof reinforcement is conducted on settlement joints, post-cast strip joints and construction joints, and meanwhile waterproof coiled materials are laid on the back of the drainage slope, so that the waterproof effect is improved; set up escape canal 7 at 6 both ends of passageway, the suitable position outside passageway 6 sets up the catch basin, do drain pump house pump drainage catchment at the low point, utilize drain pipe pump drainage to ground, improve drainage performance, improve anticollision effect through crashproof wall 10, lay PVC pipe 13 in escape canal 7 and carry out the drainage, carry out the prefilter drainage through lower water board 20, filter the drainage once more through filter screen 24, and carry out the coiling through lug 29 and the wrapping post 30 on light plastic drum 28 surface to the threadiness rubbish in aqueous, the setting that keeps off net 16 simultaneously carries out section by section and filters, prevent that rubbish from blockking up the influence drainage.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wear structure under road that drainage performance is good, including reinforced concrete layer (1), culvert main part (2), side wall (3), middle wall (4), roof (5), passageway (6), escape canal (7), concrete bed (8), installation basic unit (9), crashproof wall (10), layer (11) of mating formation, reinforced concrete apron (12), PVC pipe (13), mounting panel (14), construction bolt (15), keep off net (16), mounting groove (17), round pin ear (18), round pin axle (19), lower water board (20), wash port (21), handle (22), support frame (23), filter screen (24), fixing bolt (25), rotate seat (26), pivot (27), light plastic drum (28), lug (29) and wrapping post (30), its characterized in that: the culvert is characterized in that a culvert main body (2) is installed at the top of the reinforced concrete layer (1), side walls (3) are installed at two ends of the culvert main body (2), a middle wall (4) is installed in the middle of the culvert main body (2), the top of each side wall (3) and the top of each middle wall (4) are arranged on a top plate (5), a channel (6) is formed between each side wall (3) and each middle wall (4), a concrete cushion layer (8) is laid at one end of each channel (6), one end of the top of each concrete cushion layer (8) is connected with an anti-collision wall (10) through an installation base layer (9), one end of each channel (6) is connected with the installation base layer (9) through a paving layer (11), a drainage ditch (7) is arranged at the gap between each pavement layer (11) and the installation base layer (9), a reinforced concrete cover plate (12) is laid at the top of each drainage ditch (7), a PVC pipe (13) is arranged in the middle of the inside of each drainage ditch (7), the PVC pipe drainage structure is characterized in that a blocking net (16) is arranged between the PVC pipes (13), mounting plates (14) are mounted at two ends of the blocking net (16), the mounting plates (14) are fixedly connected with drainage ditches (7) through mounting bolts (15), mounting grooves (17) are uniformly formed in the middle of the top of the reinforced concrete cover plate (12), pin shafts (19) are mounted at one ends of the mounting grooves (17) through pin lugs (18), a drainage plate (20) is mounted at one end of each pin shaft (19), drainage holes (21) are uniformly formed in the drainage plate (20), a handle (22) is welded at one end of the top of the drainage plate (20), a filter screen (24) is arranged below the drainage plate (20), the filter screen (24) is located above pipe orifices of the PVC pipes (13), two ends of the filter screen (24) are fixedly connected with supporting frames (23) through fixing bolts (25), and the supporting frames (23) are fixedly connected with two sides of the inner walls of the drainage ditches (7), the filter screen (24) is gone up and is installed pivot (27) through rotating seat (26), and has cup jointed light plastics cylinder (28) on pivot (27), light plastics cylinder (28) surface evenly is provided with lug (29) and wrapping post (30).