CN210797820U - Cement concrete pavement structure - Google Patents
Cement concrete pavement structure Download PDFInfo
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- CN210797820U CN210797820U CN201921465888.0U CN201921465888U CN210797820U CN 210797820 U CN210797820 U CN 210797820U CN 201921465888 U CN201921465888 U CN 201921465888U CN 210797820 U CN210797820 U CN 210797820U
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- concrete pavement
- storing things
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Abstract
The utility model discloses a cement concrete pavement structure, including the road body, the road body includes soil-base course, cement concrete pavement layer includes the roadway, two escape canals, a plurality of cellar for storing things wells have been buried underground in the road body, the cellar for storing things well includes the cellar for storing things well body, cellar for storing things well lid, sealed basin has been seted up on the cellar for storing things well body, and set up the drainage channel of intercommunication between sealed basin bottom and sewer, round water seal ring has been arranged around drainage channel in the sealed basin, leave the water clearance between the up end of water seal ring and the cellar for storing things well lid, be provided with the sealing ring that covers in the water seal ring outside and the lower terminal surface is less than the water seal ring up end on the terminal surface of cellar for storing things well body towards, be provided with the drain pipe between cellar for storing things well body and the escape canal. Its technical scheme main points hold water and the sealing ring cooperation in sealed basin, form the water seal structure that can completely cut off the foul smell between escape canal and drainage channel, so the foul smell in the sewer is difficult for giving off to the external world through the escape canal.
Description
Technical Field
The utility model relates to a road surface technical field, in particular to cement concrete road surface structure.
Background
The hydraulic concrete is an engineering composite material prepared by using cement as a gel material and sand and stone as aggregates, mixing the aggregates with water according to a certain proportion, stirring, forming and curing, and is widely applied to civil engineering. The cement concrete pavement is a pavement with a cement concrete as a main material, and is commonly called a white pavement.
The prior Chinese patent with the publication number of CN207537844U discloses a municipal road drainage structure, which comprises a soil layer, a road and a sidewalk arranged on the soil layer, a drainage ditch, a drainage well and a connecting pipe, wherein the drainage ditch is arranged between the road and the sidewalk, the drainage well is buried in the soil layer, the top of the drainage well is flush with the surface of the sidewalk, the drainage well is communicated with a sewer in a municipal drainage system, the drainage well is used for draining water and allowing workers to enter the sewer in the municipal drainage system, and the connecting pipe is arranged between the drainage ditch and the drainage well and is used for communicating the drainage well and the drainage well. In rainy days, rainwater flows into the drainage ditch, then flows into a sewer well along the connecting pipe, finally flows into a sewer in the urban drainage system and is discharged.
The above prior art solutions have the following drawbacks: because the urban drainage system is used for discharging various sundries, the sewer in the urban drainage system is usually filled with odor, and the odor in the sewer enters the drainage ditch along the connecting pipe and is finally emitted from the drainage ditch, so that adverse effects are generated on pedestrians.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The to-be-solved problem of the utility model is not enough to the above-mentioned that exists among the prior art and provide a cement concrete pavement structure, its technical scheme main points hold water and sealing ring cooperation in sealed basin, form the water seal structure that can completely cut off the foul smell between escape canal and drainage channel, so the foul smell in the sewer is difficult for giving off the external world through the escape canal.
(II) technical scheme
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a cement concrete pavement structure comprises a pavement body, wherein the pavement body comprises a soil base layer and a cement concrete pavement layer laid on the soil base layer, the cement concrete pavement layer comprises a roadway and two drainage ditches arranged at two sides of the roadway, a plurality of cellar wells are embedded in the road body, each cellar well comprises a cellar well body and a cellar well cover which is sealed and covered at the top of the cellar well body, the end surface of the cellar well body facing the cellar well cover is provided with a sealed water tank, a communicated drainage channel is arranged between the bottom of the sealed water tank and a sewer, a circle of water seal ring is arranged in the sealed water tank around the drainage channel, a water passing gap is reserved between the upper end surface of the water seal ring and the pit cover, the end surface of the cellar well cover facing the cellar well body is provided with a sealing ring which covers the outer side of the water seal ring and the lower end surface of the sealing ring is lower than the upper end surface of the water seal ring, and a drain pipe used for communicating the drainage ditch with the sealed water tank is arranged between the cellar well body and the drainage ditch.
The utility model discloses further set up to: the rubble basic unit has been laid between soil matrix and the cement concrete pavement layer, rubble basic unit is laid the rubble on soil matrix, and the gap is filled to the reuse gravel.
The utility model discloses further set up to: and a waterproof layer is laid between the gravel base layer and the cement concrete pavement layer and is formed by spraying high-elasticity rubber waterproof paint.
The utility model discloses further set up to: and a bonding layer is laid between the waterproof layer and the cement concrete pavement layer, and the bonding layer is formed by laying emulsified asphalt.
The utility model discloses further set up to: the escape canal includes the ditch body, sets up in a plurality of comb covers at ditch body top, the ditch body is seted up a plurality of first mounting holes along road extending direction interval distribution on the lateral wall of cellar for storing things well, the cellar for storing things well is two rows and just follows the extending direction interval distribution of road, two rows the cellar for storing things well is located the outside in two escape canals respectively, every the cellar for storing things well body is seted up the second mounting hole that communicates with sealed basin on the lateral wall in escape canal, the cooperation of pegging graft with first mounting hole and second mounting hole respectively in the both ends of drain pipe.
The utility model discloses further set up to: two the outside in escape canal is provided with two pavement, the top surface of cellar for storing things well lid and the surface parallel and level on pavement, a plurality of inlet openings have been seted up on the cellar for storing things well lid, and is a plurality of the inlet opening all is located the sealing ring outside and is located directly over the sealed basin.
The utility model discloses further set up to: the improved pit is characterized in that a mounting groove and a lamp groove are formed in the top surface of the pit body, a gear is arranged in the mounting groove in a rotating mode, a first rack and a second rack are arranged in the mounting groove in a sliding mode, the first rack and the second rack are meshed with the gear and located on two sides of the gear respectively, a reset spring used for driving the first rack to move upwards is arranged below the bottom wall of the mounting groove, a touch switch is arranged below the second rack, an alarm lamp and a storage battery are arranged in the lamp groove, and the alarm lamp, the touch switch and the storage battery are connected in series through a wire to form an alarm circuit.
The utility model discloses further set up to: the top surface of the cellar well body is provided with a first groove, a first waterproof cover used for sealing a notch of the mounting groove is embedded in the first groove, and a through hole used for allowing the first rack to penetrate out is formed in the first waterproof cover.
The utility model discloses further set up to: the top surface of the cellar well body is provided with a second groove, a second waterproof cover used for sealing the notch of the light trough is embedded in the second groove, and the second waterproof cover is made of transparent plastic.
(III) advantageous effects
To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:
1. blocking the leakage of odor: the water in the sealed water tank is matched with the sealing ring, and a water seal structure capable of isolating odor is formed between the drainage ditch and the drainage channel, so that the odor in the sewer is not easy to be emitted to the outside through the drainage ditch;
2. the safety is good: install warning circuit on the well lid body, when the cellar for storing things well lid was putd aside from the cellar for storing things well body, reset spring drive first rack went upward, and first rack goes upward and drives the second rack down and exert pressure to dabbing the switch through the gear, dabbing the switch and keep the on-state, then the alarm lamp is often bright in order to alert the pedestrian of passing, reduces the internal condition of cellar for storing things well that falls into of pedestrian.
Drawings
FIG. 1 is a schematic sectional view of a cement concrete pavement structure according to an embodiment, mainly illustrating a concrete structure of the cement concrete pavement structure according to the embodiment;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic view showing the structure of a drainage ditch in the embodiment, mainly highlighting the specific structure of the drainage ditch;
FIG. 4 is a schematic structural diagram of a well body in the embodiment, which mainly highlights the specific structure of the well body;
fig. 5 is a sectional view taken along line I-I of fig. 4.
Reference numerals: 1. a road body; 2. a soil base layer; 21. a sewer; 3. a macadam base; 4. a waterproof layer; 5. a bonding layer; 6. a cement concrete pavement layer; 61. a roadway; 62. a drainage ditch; 621. a trench body; 622. a grate cover; 63. a sidewalk; 7. a first mounting hole; 8. a cellar well; 81. a pit body; 82. a cellar well cover; 9. a drainage channel; 10. a water seal ring; 11. sealing the water tank; 12. a second mounting hole; 13. a water inlet hole; 14. a seal ring; 15. a drain pipe; 16. mounting grooves; 17. a lamp slot; 18. a gear; 19. a first rack; 20. a second rack; 21. a return spring; 22. a tact switch; 23. a first groove; 24. a first waterproof cover; 25. a through hole; 26. an alarm lamp; 27. a storage battery; 28. perforating; 29. a second groove; 30. a second waterproof cover.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a cement concrete pavement structure comprises a road body 1, wherein the road body 1 comprises a soil base layer 2, a macadam base layer 3, a waterproof layer 4, a bonding layer 5 and a cement concrete pavement layer 6 which are sequentially laid from top to bottom.
The soil base layer 2 is a foundation of a road surface and is a soil structure formed by excavation or filling, and in the embodiment, the soil base layer 2 is an original soil base remained after a foundation pit is dug on an original road. The urban drainage system is an engineering facility system for treating and removing urban sewage and rainwater, and generally consists of a plurality of sewers 21 and sewage treatment plants buried under the road surface, wherein the sewers 21 are buried in the soil base 2.
Rubble basic unit 3 mainly comprises the rock particle of particle diameter between 5~25mm and the gravel particle of packing in the rubble gap, and bearing strength is high, can provide comparatively firm support for the road structure of rubble basic unit 3 top. During construction, firstly, rock particles are paved on a soil base layer 2, then gravel particles are scattered on the rock particles, then the road base layer is compacted according to the pre-designed compaction requirement, the compaction method comprises a rolling method, a tamping method, a vibration compaction method and the like, in the embodiment, the vibration compaction method is adopted, a worker places a vibration compactor on the gravel base layer 3, the vibration compactor is used for vibrating the rock particles and the gravel particles, so that the gravel particles can be effectively filled into gaps of the rock particles, and finally the gravel base layer 3 is leveled.
The waterproof layer 4 is formed by spraying high-elasticity rubber waterproof paint, and the waterproof layer 4 has high elasticity, creep crack resistance, self-healing property, impermeability and high cohesiveness. Due to its high adhesion, the waterproof layer 4 can be effectively bonded to the crushed stone base layer 3. Because of the impermeability, the waterproof layer 4 can effectively prevent water from seeping downwards, and the condition of water and soil loss of the gravel base layer 3 is avoided to a certain extent. The waterproof layer 4 has high elasticity, creep crack resistance and self-healing performance, and can effectively solve some problems caused by stress deformation, expansion cracking and the like.
The bonding layer 5 is formed by laying emulsified asphalt, the emulsified asphalt is oil-in-water or water-in-oil liquid asphalt generated by asphalt and an emulsifier under a certain process action, and the bonding layer has excellent bonding property, can effectively bond the waterproof layer 4 and the cement concrete pavement layer 6 together, and improves the stability of the road body 1.
As shown in fig. 1 and 2, the cement concrete pavement layer 6 includes a roadway 61, two drainage ditches 62 provided on both sides of the roadway 61, and two sidewalks 63 provided outside the two drainage ditches 62. The roadway 61 and the sidewalk 63 are both formed by pouring cement concrete, and the hydraulic concrete is an engineering composite material which is prepared by mixing cement serving as a gel material, sand and stone serving as aggregates and water according to a certain proportion, and stirring, forming and maintaining the mixture. As shown in fig. 3, the drainage ditch 62 includes a ditch 621 and a plurality of grate caps 622 covering the ditch 621. The ditch body 621 is "concave" font, and the ditch body 621 is formed by the concatenation of a plurality of units made in advance, and the material of the ditch body 621 is cement, connects through adhesives such as cement between the adjacent unit, and a plurality of circular shape first mounting holes 7 have been seted up towards the lateral wall bottom of pavement 63 to the ditch body 621, and a plurality of first mounting holes 7 set up along the extending direction interval of road, and first mounting hole 7 communicates with the opening of the ditch body 621. The top of the ditch body 621 is covered by the grate cover 622 for preventing some large-scale sundries from entering the ditch body 621, so that the ditch body 621 is prevented from being blocked due to the fact that the large-scale sundries enter the ditch body 621 to a certain extent, and the grate cover 622 is provided with a hole for water to flow through.
As shown in fig. 1 and 2, pit 8 is buried in road body 1, and pit 8 is two rows and along the extending direction interval distribution of road, and two rows of pit 8 are located the outside of two escape ditches 62 respectively. The cellar well 8 comprises a cellar well body 81 and a cellar well cover 82 arranged at the top of the cellar well body 81.
As shown in fig. 2 and 4, the pit body 81 is cylindrical, and the top surface of the pit body 81 is provided with a drainage channel 9 and a sealed water tank 11 which are sequentially arranged from inside to outside. The drainage channel 9 is positioned at the center of the cellar well body 81, the section of the drainage channel 9 is circular, the cellar well body 81 is installed on the sewer 21, and the drainage channel 9 is communicated with the inner cavity of the sewer 21. The sealed water tank 11 is annular, and the sealed water tank 11 surrounds the outer side of the drainage channel 9. The bottom of the sealed water tank 11 is provided with a circular water seal ring 10, the water seal ring 10 is integrally connected with the pit body 81, the water seal ring 10 is preferably formed by extending one end of the communication between the drainage channel 9 and the sealed water tank 11 towards the inside of the sealed water tank 11, namely, the inner wall of the water seal ring 10 is concentric with the inner wall of the drainage channel 9 and has the same diameter, and a water passing gap for water to pass through is reserved between the upper end face of the water seal ring 10 and the lower end face of the pit cover 82. The side wall of the pit body 81 facing the drainage ditch 62 is provided with a circular second mounting hole 12, the second mounting hole 12 is communicated with the sealed water tank 11, and the second mounting hole 12 is opposite to the upper end face of the water seal ring 10. The pit body 81 penetrates through the cement concrete pavement layer 6, the bonding layer 5, the waterproof layer 4 and the broken stone base layer 3 in sequence and is inserted into the soil base layer 2, during construction, the pit body 81 is installed on the sewer 21 firstly, and then the broken stone base layer 3, the waterproof layer 4, the bonding layer 5 and the cement concrete pavement layer 6 are laid in sequence.
As shown in fig. 1 and 2, the pit cover 82 is placed on the pit body 81 such that the top surface of the pit cover 82 is flush with the surface of the sidewalk 63. The end face of the cellar well cover 82 facing the cellar well body 81 is fixedly connected with a circular ring-shaped sealing ring 14, the sealing ring 14 is inserted into the sealing water tank 11 and covers the outer side of the water seal ring 10, and the lower end face of the sealing ring 14 is lower than the upper end face of the water seal ring 10. During the use, leave water in the sealed basin 11, and the liquid level of water is parallel and level with the up end of water seal ring 10, because sealing ring 14 inserts in sealed basin 11 and covers in the outside of water seal ring 10, the lower terminal surface of sealing ring 14 is less than the up end of water seal ring 10, then the water cooperation in sealing ring 14 and the sealed basin 11 forms the water seal between drainage channel 9 and escape canal 62, so the foul smell in the sewer 21 is difficult for giving off the external world through escape canal 62.
In this embodiment, eight inlet openings 13 have been seted up on the cellar for storing things well lid 82, and eight inlet openings 13 are the equidistance circumference and distribute, and eight inlet openings 13 all are located the sealing ring 14 outside, and are located directly over sealed basin 11, and water can flow to sealed basin 11 in through inlet opening 13. During the use, the water that falls on pavement 63 can flow into in sealed basin 11 through inlet opening 13, because eight inlet openings 13 all are located the sealing ring 14 outside, and lie in directly over sealed basin 11, then sealing ring 14 and the water cooperation in the sealed basin 11 form the water seal between inlet opening 13 and drainage channel 9, so the foul smell in sewer 21 is also difficult for giving off to the external world through inlet opening 13.
A circular drain pipe 15 is installed between each pit body 81 and the drainage ditch 62, the drain pipe 15 is used for communicating the drainage ditch 62 with the sealed water tank 11, the two ends of the drain pipe 15 are respectively in plug-in connection with the first mounting hole 7 and the second mounting hole 12, and the outer wall of the drain pipe 15 is fixed with the hole walls of the first mounting hole 7 and the second mounting hole 12 through waterproof sealant. During construction, the pit 8 is pre-installed, the drainage ditch 62 is installed on the bonding layer 5, the drainage pipe 15 is installed between the drainage ditch 62 and the pit 8, and finally the roadway 61 and the sidewalk 63 are poured and formed.
In rainy weather, rainwater falls on the sidewalk 63 and the roadway 61, part of the rainwater flows into the drainage ditch 62, then flows into the sealed water tank 11 through the drainage pipe 15, the other part of the rainwater flows into the sealed water tank 11 through the water inlet hole 13, then the rainwater in the sealed water tank 11 flows into the drainage channel 9 through the water passing gap, finally flows into the sewer 21 along the drainage channel 9 and is drained away, because the sealing ring 14 is inserted into the sealed water tank 11 and covers the outer side of the water sealing ring 10, the lower end surface of the sealing ring 14 is lower than the upper end surface of the water sealing ring 10, the water in the sealed water tank 11 is matched with the sealing ring 14, a water seal is formed between the sewer 21 and an external road, and thus, odor in the sewer 21 is not easy to be emitted to the outside through the water inlet hole 13 or the.
As shown in fig. 4 and 5, the top surface of the cellar well 81 is provided with an installation groove 16 and a lamp groove 17, the installation groove 16 is a rectangular groove, and the lamp groove 17 is a circular groove. The middle part of mounting groove 16 is rotated and is installed gear 18, gear 18 rotates through the pivot and sets up in mounting groove 16, it is provided with first rack 19 and second rack 20 to slide in mounting groove 16, first rack 19 and second rack 20 all mesh with gear 18 and are located the both sides of gear 18 respectively, the flank of tooth of first rack 19 and second rack 20 is towards gear 18, the upper end of the flank of tooth of first rack 19 does not extend to the upper end of first rack 19, the top of first rack 19 is the rectangular block body promptly. A return spring 21 is fixedly connected to the bottom wall of the mounting groove 16, the return spring 21 is located below the first rack 19, the top of the return spring 21 is fixedly connected to the bottom of the first rack 19, and the return spring 21 is used for driving the first rack 19 to move upwards. The bottom wall of the mounting groove 16 is provided with a tact switch 22, the tact switch 22 is called a key switch, when the pressure-sensitive switch is used, the switch is pressed under the condition of meeting the operation force, the switch is switched on, and the switch is switched off after the pressure is cancelled.
A through hole 28 for communicating the lamp slot 17 and the mounting slot 16 is formed between the two, and the through hole 28 is used for a lead to pass through. The bottom wall of the lamp trough 17 is fixedly provided with a warning lamp 26 and a storage battery 27, and the warning lamp 26, the contact switch and the storage battery 27 are connected in series through a conducting wire to form a warning circuit.
The second recess 29 has been seted up on the top surface of the cellar for storing things well body 81, the embedded waterproof lid 30 of second that is equipped with of second recess 29, the waterproof lid 30 of second and cellar for storing things well body 81 screw connection, the top surface of the waterproof lid 30 of second and the top surface parallel and level of the cellar for storing things well body 81, the waterproof lid 30 of second is used for sealing the notch of light trough 17 in order to block rivers entering light trough 17, the waterproof lid 30 of second is made by transparent plastic, then the light of alarm lamp 26 can pass the waterproof lid 30 of second in order to alert past pedestrian.
When the cellar well cover 82 is removed from the cellar well body 81, the return spring 21 drives the first rack 19 to move upwards, the first rack 19 moves upwards to drive the second rack 20 to move downwards through the gear 18 and apply pressure to the tact switch 22, the tact switch 22 keeps the on state, the alarm lamp 26 is normally lightened to warn passing pedestrians, and the condition that the pedestrians fall into the cellar well body 81 is reduced.
When the cellar well cover 82 is covered on the cellar well body 81, the gravity of the cellar well cover 82 acts on the first rack 19 to drive the first rack 19 to move downwards, the first rack 19 moves downwards to drive the second rack 20 to move upwards through the gear 18, the second rack 20 is separated from the tact switch 22, the tact switch 22 keeps an off state, and the return spring 21 keeps a compressed state in the process.
When the manhole cover 82 is not removed or lost from the manhole body 81, the tact switch 22 remains in the off state, and the battery 27 consumes almost no electric power; when the cellar well cover 82 is lost, the touch switch 22 keeps the on state, the storage battery 27 supplies power to the alarm lamp 26, namely, consumes electric quantity, and when a worker installs a new cellar well cover 82, the worker changes the new storage battery 27.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (9)
1. The utility model provides a cement concrete pavement structure, includes road body (1), road body (1) includes soil-base (2), lays cement concrete pavement layer (6) on soil-base (2), cement concrete pavement layer (6) include roadway (61), set up in two escape canals (62) of roadway (61) both sides, its characterized in that: a plurality of cellar wells (8) are embedded in the road body (1), each cellar well (8) comprises a cellar well body (81) and a cellar well cover (82) which is sealed at the top of the cellar well body (81), the end surface of the cellar well body (81) facing the cellar well cover (82) is provided with a sealed water tank (11), a communicated drainage channel (9) is arranged between the bottom of the sealed water tank (11) and a sewer, a circle of water seal ring (10) is arranged in the seal water tank (11) around the drainage channel (9), a water passing gap is reserved between the upper end surface of the water seal ring (10) and the cellar well cover (82), the end surface of the cellar well cover (82) facing the cellar well body (81) is provided with a sealing ring (14) which covers the outer side of the water seal ring (10) and the lower end surface of the sealing ring is lower than the upper end surface of the water seal ring (10), and a drain pipe (15) for communicating the drainage ditch (62) with the sealed water tank (11) is arranged between the cellar well body (81) and the drainage ditch (62).
2. A cement concrete pavement structure according to claim 1, characterized in that: broken stone basic unit (3) have been laid between soil basic unit (2) and cement concrete pavement layer (6), broken stone basic unit (3) are laid the rubble on soil basic unit (2), and the gap is filled to the reuse gravel.
3. A cement concrete pavement structure according to claim 2, characterized in that: waterproof layer (4) have been laid between rubble basic unit (3) and cement concrete pavement layer (6), waterproof layer (4) are formed by the spraying of high elasticity rubber waterproof coating.
4. A cement concrete pavement structure according to claim 3, characterized in that: an adhesive layer (5) is laid between the waterproof layer (4) and the cement concrete pavement layer (6), and the adhesive layer (5) is formed by laying emulsified asphalt.
5. A cement concrete pavement structure according to claim 1, characterized in that: escape canal (62) include the ditch body (621), set up in a plurality of comb covers (622) at the ditch body (621) top, ditch body (621) offer a plurality of first mounting hole (7) along road extending direction interval distribution on the lateral wall of cellar for storing things well (8), cellar for storing things well (8) are two rows and along the extending direction interval distribution of road, two rows cellar for storing things well (8) are located the outside of two escape canals (62) respectively, every cellar for storing things well body (81) offer second mounting hole (12) with sealed basin (11) intercommunication on the lateral wall of escape canal (62), the cooperation of pegging graft with first mounting hole (7) and second mounting hole (12) respectively at the both ends of drain pipe (15).
6. A cement concrete pavement structure according to claim 1, characterized in that: two the outside of escape canal (62) is provided with two pavement (63), the top surface of cellar for storing things well lid (82) and the surface parallel and level of pavement (63), a plurality of inlet openings (13) have been seted up on cellar for storing things well lid (82), and are a plurality of inlet opening (13) all are located sealing ring (14) outside and are located directly over sealed basin (11).
7. A cement concrete pavement structure according to claim 1, characterized in that: the pit body (81) is provided with a mounting groove (16) and a lamp groove (17) on the top surface, the mounting groove (16) is rotationally provided with a gear (18), the mounting groove (16) is provided with a first rack (19) and a second rack (20) in a sliding manner, the first rack (19) and the second rack (20) are both meshed with the gear (18) and are respectively located on two sides of the gear (18), a return spring (21) for driving the first rack (19) to move upwards is arranged below the bottom wall of the mounting groove (16) and located on the first rack (19), a tact switch (22) is arranged below the second rack (20), an alarm lamp (26) and a storage battery (27) are arranged in the lamp groove (17), and the alarm lamp (26), the tact switch (22) and the storage battery (27) are connected in series through a wire to form an alarm circuit.
8. A cement concrete pavement structure according to claim 7, wherein: the top surface of the cellar well body (81) is provided with a first groove (23), a first waterproof cover (24) used for sealing the notch of the mounting groove (16) is embedded in the first groove (23), and a through hole (25) used for allowing the first rack (19) to penetrate out is formed in the first waterproof cover (24).
9. A cement concrete pavement structure according to claim 7, wherein: a second groove (29) is formed in the top surface of the cellar well body (81), a second waterproof cover (30) used for sealing the notch of the lamp groove (17) is embedded in the second groove (29), and the second waterproof cover (30) is made of transparent plastic.
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| CN201921465888.0U CN210797820U (en) | 2019-09-04 | 2019-09-04 | Cement concrete pavement structure |
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| CN201921465888.0U CN210797820U (en) | 2019-09-04 | 2019-09-04 | Cement concrete pavement structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095399A (en) * | 2020-09-03 | 2020-12-18 | 上海市城市建设设计研究总院（集团）有限公司 | Liftable waterlogging-prevention drainage type pavement slab pavement structure and control method thereof |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095399A (en) * | 2020-09-03 | 2020-12-18 | 上海市城市建设设计研究总院（集团）有限公司 | Liftable waterlogging-prevention drainage type pavement slab pavement structure and control method thereof |
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