CN217579597U

CN217579597U - Municipal administration bridgehead road surface expands wide structure

Info

Publication number: CN217579597U
Application number: CN202220843568.XU
Authority: CN
Inventors: 荣耀
Original assignee: Hubei Yiguang Construction Co ltd
Current assignee: Hubei Yiguang Construction Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-10-14
Anticipated expiration: 2032-04-13

Abstract

The application relates to a municipal administration bridgehead road surface widen structure belongs to the road surface construction field, and its technical scheme main points include: old road surface and the new road surface of building in old road surface one side, the median has been laid between old road surface and the new road surface, the median is less than new road surface and old road surface, the median height in the middle of the median both sides is low, the escape canal has been laid along median extending direction in the median middle part, the escape canal top is connected with the apron that permeates water, and this application is when using, and during rainwater on new road surface and the old road surface flowed to the median, is walking side by side in flowing to the escape canal along the median again, has reduced the possibility of rainwater siltation, has alleviated traffic pressure.

Description

Municipal administration bridgehead road surface expands wide structure

Technical Field

The application relates to the field of pavement construction, in particular to a municipal administration bridgehead pavement widening structure.

Background

In recent years, with the rapid development of economy in China, a large number of bridges are built in various places, and in order to match traffic flow borne by the bridges, the old road surfaces of bridge heads need to be widened.

When an old road surface is widened, a new road surface is usually directly built on one side of the old road surface, an isolation belt is paved between the old road surface and the new road surface, and flowers and plants are planted in the isolation belt.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the water storage capacity of the median and the infiltration speed of rainwater are limited, and if the rainwater volume is great, the rainwater can silt up in the median and stretch to the road surface, influences the traffic.

SUMMERY OF THE UTILITY MODEL

In order to improve the easy problem of silting in the median of rainwater, this application provides a municipal administration bridgehead road surface and expands wide structure, and this application is when using, during rainwater rivers to the median on new road surface and the old road surface, walks away in flowing to the escape canal along the median again, has reduced the possibility of rainwater siltation, has alleviated traffic pressure.

The application provides a municipal administration bridgehead road surface widen structure adopts following technical scheme:

a municipal bridge head pavement widening structure, comprising: old road surface and build the new road surface in old road surface one side, the median has been laid between old road surface and the new road surface, the median is less than new road surface and old road surface, the median height in the middle of the median both sides is low, the escape canal has been laid along median extending direction in the median middle part, the escape canal top is connected with the apron that permeates water.

Through adopting above-mentioned technical scheme, during rainwater weather, rainwater on new road surface and the old road surface flows to the median in, passes the apron that permeates water along the median top again and flows to and walk side by side in the escape canal, the possibility of rainwater siltation has been reduced, traffic pressure has been alleviated, the median sets up to the height in the middle of the both sides low, the speed that rainwater flow direction escape canal has been accelerated, drainage efficiency has been improved, the setting of the apron that permeates water, play the filter effect, the possibility of blocking up the escape canal in debris inflow escape canal in the median has been reduced.

The application further provides that: the median includes the metalling and lays the garrulous soil layer on the metalling, be connected with a plurality of drain pipes on the lateral wall in escape canal, it is a plurality of the drain pipe is arranged along the extending direction in escape canal in proper order, drain pipe one end extends to in the rubble layer, the drain pipe other end extends to in the escape canal.

Through adopting above-mentioned technical scheme, the part rainwater in the median can ooze along the hack layer downwards, then the siltation is in the hack layer, and the intraformational rainwater of rubble flows into in the escape canal and discharges along the drain pipe, has further reduced the possibility of rainwater siltation.

The application further provides that: the drainage pipe is located the intraformational one end of rubble and is higher than the one end that is located the escape canal, the drainage pipe top is equipped with a plurality of wash ports, and is a plurality of the wash port is arranged along the extending direction of drainage pipe in proper order.

Through adopting above-mentioned technical scheme, when the rainwater oozes along the rubble layer, directly flow into the drain pipe through the tip of drain pipe and the wash port on the drain pipe, further improved drainage efficiency.

The application further provides that: the top of the drain pipe is connected with a first permeable filter plate which covers the drain hole.

Through adopting above-mentioned technical scheme, under the washing away of rainwater, the intraformational earth of hack can flow to the hack layer in and plug up the wash port, through the setting of the filter plate that permeates water, can block earth, has reduced the possibility that the wash port is blockked up.

The application further sets up: and a reverse osmosis layer is laid between the gravel layer and the soil crushing layer.

Through adopting above-mentioned technical scheme, the anti-layer of oozing has good water permeability, hydrolytic resistance and corrosion resistance, plays the supporting role to the hack layer, on the one hand, makes the hack layer more firm, and on the other hand has reduced the possibility that earth flows into in the rubble layer and blocks up the wash port.

The application further sets up: the two sides of the top of the drainage ditch are connected with second water-permeable filter plates, and one sides, far away from the water-permeable cover plates, of the second water-permeable filter plates are abutted against the side walls of the crushed soil layers.

Through adopting above-mentioned technical scheme, the second filter plate of permeating water plays the filtering action to the rainwater in the median, and the rainwater passes the second filter plate of permeating water and flows into the escape canal, and impurity and earth in the rainwater are blockked by the second filter plate of permeating water, have reduced the possibility that the apron that permeates water blockked up.

The application further sets up: and the top of the crushed soil layer is covered with a silk screen layer.

Through adopting above-mentioned technical scheme, play the reinforcing action to the hack layer, reduced earth and permeated water the possibility that filter plate blockked up with the second.

The application further sets up: the top of the drain pipe is connected with a positioning block, and the bottom of the first permeable filter plate is provided with a positioning groove for accommodating the positioning block.

Through adopting above-mentioned technical scheme, play the positioning action to first filter plate that permeates water, reduced the possibility of first filter plate skew that permeates water, make first filter plate and the drain pipe of permeating water between be connected more firm, reduced the possibility that the wash port blockked up.

In summary, the present application has the following beneficial effects:

1. partial rainwater in the median flows to the escape canal along the median top and walks away side by side, and partial rainwater is along the garrulous soil layer in proper order, and the garrulous stone layer infiltrates down and passes in the drain pipe flows to the escape canal, has reduced the possibility of rainwater siltation, has alleviated traffic pressure.

2. When the rainwater seeps downwards along the gravel layer, the rainwater passes through the end part of the drain pipe and the drain hole on the drain pipe and directly flows into the drain pipe, so that the drainage efficiency is further improved.

Drawings

Fig. 1 is a sectional view of the entire structure of an embodiment of the present application.

Description of reference numerals:

1. old road surface; 2. a new road surface; 3. an isolation zone; 31. a crushed stone layer; 32. crushing a soil layer; 33. a reverse osmosis layer; 34. a silk screen layer; 4. a drainage ditch; 41. a drain pipe; 42. a drain hole; 43. a first water permeable filter plate; 44. a second water-permeable filter plate; 45. positioning blocks; 46. positioning a groove; 5. a water permeable cover plate; 61. a curb stone; 62. and (5) water permeable holes.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

In this embodiment: a municipal bridge head pavement widening structure, referring to fig. 1, comprising: old road surface 1 and build new road surface 2 in 1 one side of old road surface, new road surface 2 all includes the gravel basic unit and lays the concrete layer on the gravel basic unit with old road surface 1, curbstone 61 has been laid to the concrete layer both sides, the hole 62 of permeating water has been seted up on the curbstone 61, median 3 has been laid between old road surface 1 and the new road surface 2, it is required to explain, median 3 is less than new road surface 2 and old road surface 1, and low in the middle of the 3 both sides height of median, 3 middle parts of median have laid escape canal 4 along 3 extending direction of median, escape canal 4 top is connected with the apron that permeates water 5.

During rainwater weather, the rainwater on new road surface 2 and old road surface 1 all can flow to the road surface both sides, flows to the median 3 after passing the hole 62 of permeating water on curbstone 61, because the height is low in the middle of 3 top both sides of median, so, rainwater in the median 3 flows into in the escape canal 4 and walks away after passing the apron 5 that permeates water, has reduced the possibility of rainwater siltation in the median 3, has alleviated traffic pressure.

Wherein, median 3 includes rubble layer 31 and lays the garrulous soil layer 32 on rubble layer 31, the rainwater is from the garrulous soil layer 32 top during flow direction escape canal 4, the rainwater can carry earth and then will permeate water apron 5 and plug up, influence the drainage, therefore, in this embodiment, garrulous soil layer 32 top covers there is silk screen layer 34, silk screen layer 34 is the plastics gauze, it has flowers and plants to plant in silk screen layer 34's the hole, silk screen layer 34 plays the reinforcing effect with flowers and plants to garrulous soil layer 32, the possibility that the garrulous soil layer 32 top earth flows has been reduced, and then the possibility that the apron 5 that permeates water was blockked up has been reduced.

In addition, the two sides of the top of the drainage ditch 4 are fixedly connected with second water-permeable filter plates 44, one sides of the second water-permeable filter plates 44 close to each other are abutted to the side walls of the water-permeable cover plates 5, one sides of the second water-permeable filter plates 44 far away from the water-permeable cover plates 5 are abutted to the side walls of the broken soil layers 32, rainwater flows into the drainage ditch 4 after passing through the second water-permeable filter plates 44, the second water-permeable filter plates 44 block soil, and the possibility that the water-permeable cover plates 5 are blocked is further reduced.

Rainwater in the median 3 may also infiltrate downwards along the broken soil layer 32, and the water storage capacity of the median 3 is limited, in order to make the rainwater that infiltrates flow into the drainage ditch 4, in this embodiment, a plurality of drain pipes 41 are pre-buried on the lateral wall of the drainage ditch 4, the material of the drain pipe 41 is PVC50, the extension direction of the drainage ditch 4 is arranged in proper order along the plurality of drain pipes 41, the interval is 1m, one end of the drain pipe 41 extends to the broken stone layer 31, and the other end of the drain pipe 41 extends to the drainage ditch 4.

Rainwater in the isolation belt 3 seeps downwards along the crushed soil layer 32, then is deposited in the crushed stone layer 31, finally flows into the drainage ditch 4 through the drainage pipe 41 and is discharged, and the possibility of depositing rainwater in the isolation belt 3 is reduced.

In order to further improve the drainage efficiency, in this embodiment, one end of the drainage pipe 41 located in the crushed stone layer 31 is higher than one end located in the drainage ditch 4, the top of the drainage pipe 41 is provided with a plurality of drainage holes 42, the number of the drainage holes 42 may be 3, the drainage holes 42 are sequentially arranged along the extending direction of the drainage pipe 41, and when rainwater seeps down along the crushed stone layer 31, the rainwater directly flows into the drainage ditch 4 through the end of the drainage pipe 41 and the drainage holes 42 on the drainage pipe 41, so as to further improve the drainage efficiency.

When rainwater infiltrates, can carry earth to plug up wash port 42, influence the drainage, consequently, in this embodiment, laid anti-infiltration layer 33 between metalling 31 and the hack layer 32, anti-infiltration layer 33 is laid by compound geotechnological cloth and is formed, has good water permeability, hydrolytic resistance and corrosion resistance, and anti-infiltration layer 33 lives shredded soil layer 32, and the rainwater passes anti-infiltration layer 33 and flows into metalling 31 in, has reduced the possibility that wash port 42 is blockked up.

In addition, the top of the drain pipe 41 is connected with a first water-permeable filter plate 43, the drain hole 42 is covered by the first water-permeable filter plate 43, the first water-permeable filter plate 43 and the drain pipe 41 are bonded together through adhesive glue, and the rainwater in the gravel layer 31 flows into the drain pipe 41 through the first water-permeable filter plate 43, so that the possibility that the drain hole 42 is blocked is further reduced.

It should be noted that, the drain pipe 41 top is connected with a plurality of locating pieces 45, the quantity of locating piece 45 can be 2, locating piece 45 is the rectangle piece, locating piece 45 and drain pipe 41 integrated into one piece, constant head tank 46 has been seted up to first filter plate 43 bottom of permeating water, constant head tank 46 and locating piece 45 looks adaptation, the setting of locating piece 45 and constant head tank 46 avoids first filter plate 43 and drain pipe 41 of permeating water to produce relative displacement, it is more firm to make between first filter plate 43 and the drain pipe 41 of permeating water be connected, the life of drain pipe 41 has been prolonged.

The implementation principle of municipal administration bridgehead road surface widen structure of the embodiment of this application does: in a rainy weather, rainwater on the new road surface 2 and the old road surface 1 flows into the isolation belt 3, partial rainwater in the isolation belt 3 flows from two sides of the isolation belt 3 to the middle of the isolation belt 3, sequentially passes through the first permeable filter plates 43, and flows into the drainage ditch 4 after passing through the permeable cover plates 5 and is drained away; part of the rainwater in the isolation belt 3 seeps down along the crushed soil layer 32, flows into the crushed stone layer 31 after passing through the reverse osmosis layer 33, flows into the drain pipe 41 after passing through the second permeable filter plate 44 and the drain hole 42, and finally flows into the drainage ditch 4 and is drained away, so that the possibility of rainwater sedimentation is reduced, and traffic pressure is relieved.

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

1. The utility model provides a municipal administration bridgehead road surface broadens structure which characterized in that includes: old road surface (1) and build new road surface (2) in old road surface (1) one side, median (3) have been laid between old road surface (1) and new road surface (2), median (3) are less than new road surface (2) and old road surface (1), the high centre in median (3) both sides is low, median (3) middle part has been laid escape canal (4) along median (3) extending direction, escape canal (4) top is connected with apron (5) that permeates water.

2. The municipal bridge head pavement widening structure according to claim 1, wherein: median (3) include rubble layer (31) and lay garrulous soil layer (32) on rubble layer (31), be connected with a plurality of drain pipes (41) on the lateral wall of escape canal (4), it is a plurality of drain pipe (41) are arranged along the extending direction of escape canal (4) in proper order, drain pipe (41) one end extends to in rubble layer (31), drain pipe (41) other end extends to in escape canal (4).

3. The municipal bridge head pavement widening structure according to claim 2, wherein: the drainage pipe (41) is located the one end that the rubble layer (31) was located and is higher than the one end that is located escape canal (4), drain pipe (41) top is equipped with a plurality of wash ports (42), a plurality of wash port (42) arrange in proper order along the extending direction of drain pipe (41).

4. The municipal bridge head pavement widening structure according to claim 3, wherein: the top of the drain pipe (41) is connected with a first water permeable filter plate (43), and the drain hole (42) is covered by the first water permeable filter plate (43).

5. The municipal bridge head pavement widening structure according to claim 2, wherein: and a reverse osmosis layer (33) is laid between the crushed stone layer (31) and the crushed soil layer (32).

6. The municipal bridge head pavement widening structure according to claim 2, wherein: and two sides of the top of the drainage ditch (4) are connected with second water-permeable filter plates (44), and one side, away from the water-permeable cover plate (5), of each second water-permeable filter plate (44) is abutted against the side wall of the corresponding crushed soil layer (32).

7. The municipal bridge head pavement widening structure according to claim 2, wherein: the top of the crushed soil layer (32) is covered with a silk screen layer (34).

8. The municipal bridge head pavement widening structure according to claim 4, wherein: the top of the drain pipe (41) is connected with a positioning block (45), and the bottom of the first permeable filter plate (43) is provided with a positioning groove (46) for containing the positioning block (45).