CN211596270U - A permeable asphalt pavement - Google Patents

Abstract

The utility model relates to a bituminous paving permeates water, include the plain soil layer of laying in proper order by going up from the bottom, concrete layer and the pitch layer permeates water, this bituminous paving permeates water still including setting up in the escape canal of road both sides, the ladder groove has been seted up on the pitch layer, the fence is installed to the ladder inslot, the cylindricality groove has been seted up on the position that the concrete layer that permeates water corresponds with the ladder groove, the lower cylindricality groove that communicates with the inner diapire in cylindricality groove still is seted up on the concrete layer that permeates water, the cylindricality inslot is fixed with the connecting pipe down, be used for filterable first filter screen is installed to the upper end of connecting pipe, through the drain pipe intercommunication between connecting pipe and the. The utility model discloses set up first filter screen in the connecting pipe upper end to this has played good filtering action to the water that gets into in the connecting pipe, makes the water that gets into in the connecting pipe obtain abundant filtration, has reduced the aquatic debris content that gets into in the connecting pipe, thereby has reduced the probability that the connecting pipe takes place to block up, is favorable to making the surface gathered water in time discharge.

Description

A permeable asphalt pavement

technical field

The utility model relates to the technical field of pavement structures, in particular to a permeable asphalt pavement.

Background technique

Asphalt pavement refers to various types of pavements paved with road asphalt materials mixed with mineral materials. Asphalt binder improves the ability of paving aggregates to resist road damage caused by traffic and natural factors, making the pavement smooth and less dusty and permeable. , Durable.

The Chinese utility model patent with the publication number CN208949676U discloses a permeable asphalt pavement, including a base layer, a crushed stone layer is laid on the upper end of the base layer, a fine stone layer is laid on the crushed stone layer, and two inner ends of the fine stone layer are laid All are provided with conduits, a second concrete layer is laid above the fine stone layer, a steel mesh is arranged on the second concrete layer, a first concrete layer is arranged on the steel mesh, and the first concrete layer is laid There is an asphalt layer, and a plurality of connecting pipes are arranged at equal distances in the asphalt layer. The connecting pipes pass through the first concrete layer, the steel mesh and the second concrete layer, and are connected with the conduit. Both ends of the base layer are provided with A drainage groove, one end of the conduit extends into the drainage groove. The utility model is convenient to discharge the accumulated water on the road surface by arranging the drainage groove, the connecting pipe and the conduit.

The permeable asphalt pavement in the above technical solution does not have a filter mechanism in the connecting pipe. When debris with a similar diameter of the connecting pipe enters the connecting pipe, the connecting pipe is prone to blockage, making it difficult to discharge the water on the road surface.

Utility model content

The purpose of this utility model is to provide a permeable asphalt pavement. The permeable asphalt pavement is provided with a first filter screen at the water inlet end of the connecting pipe, so as to have a good filtering effect on the water entering the connecting pipe and reduce the occurrence of the connecting pipe. The probability of blockage is conducive to the timely discharge of water in the road area.

The above technical purpose of the present utility model is achieved through the following technical solutions: a permeable asphalt pavement, comprising a plain soil layer, a permeable concrete layer and an asphalt layer laid in sequence from bottom to top, and the permeable asphalt pavement also includes a permeable asphalt pavement arranged on a road. The drainage ditch on both sides, the asphalt layer is provided with a stepped groove, a fence for blocking large-volume sundries is installed in the stepped groove, and an upper column is formed on the position corresponding to the permeable concrete layer and the stepped groove. The permeable concrete layer is also provided with a lower cylindrical groove communicating with the inner bottom wall of the upper cylindrical groove, a connecting pipe is fixed in the lower cylindrical groove, and the upper end of the connecting pipe is installed with a filter for filtering For the first filter screen, the connection pipe is communicated with the drainage ditch through a drainage pipe.

By adopting the above technical solution, a first filter screen is arranged on the upper end of the connecting pipe, which has a good filtering effect on the water entering the connecting pipe, so that the water entering the connecting pipe is fully filtered, and the sundries in the water entering the connecting pipe are reduced. Therefore, the probability of blockage of the connecting pipe is reduced, which is conducive to the timely discharge of water in the road area.

The utility model is further provided as follows: the upper end of the connecting pipe is provided with a fixing component for fixing the first filter screen, and the fixing component includes a bolt arranged through the frame of the first filter screen and a bolt which is opened on the upper end of the connecting pipe and is connected with the bolt Threaded holes for threaded connections.

By adopting the above technical scheme, it is convenient for the staff to fix and disassemble the first filter screen, so as to facilitate the staff to take off the first filter screen and brush the first filter screen. In addition, when the connecting pipe is blocked, the work Personnel can use the external pressure pump to pump air pressure into the connecting pipe, and the connecting pipe can be dredged by the action of high pressure, so that the connecting pipe can be dredged, which is conducive to the smooth progress of road drainage work.

The utility model is further arranged as follows: the top of the first filter screen is arc-shaped.

By adopting the above technical solution, when there are sundries gathered on the top of the first filter screen, the sundries are easy to slide down along the arc surface of the top of the first filter screen, thereby reducing the accumulation of sundries on the top of the first filter screen and making the connection Probability of tube blockage.

The utility model is further configured as follows: the height of the upper end of the connecting pipe is greater than the height of the inner bottom wall of the upper cylindrical groove, and an annular storage is installed between the inner arc-shaped surface of the upper cylindrical groove and the outer arc-shaped surface of the connecting pipe The outer bottom wall of the annular storage box is fitted with the inner bottom wall of the upper cylindrical groove, and the height of the upper opening of the annular storage box is less than or equal to the height of the upper end of the connecting pipe.

By adopting the above technical solution, the sundries that slide down along the arc surface of the top of the first filter screen can be collected by the ring-shaped storage box in time, which is beneficial for the staff to clean up the sundries in a centralized manner.

The utility model is further configured as follows: the side walls and the bottom wall of the annular storage box are provided with a plurality of water seepage holes.

By adopting the above technical solution, when the water droplets passing through the fence fall into the annular storage box, the water flow can seep along the water seepage hole, and then the water flow continues to seep down along the permeable concrete layer, reducing the accumulation of the water flow in the annular storage box. It is beneficial to improve the drainage performance of the pavement structure.

The utility model is further arranged as follows: a first C-shaped connecting rod and a second C-shaped connecting rod are fixed on the top wall of the annular storage box, and the second C-shaped connecting rod and the first C-shaped connecting rod are perpendicular to each other and parallel to each other. intersect.

By adopting the above technical solution, when the content of sundries in the ring-shaped storage box is relatively large, the staff can open the fence, then hold the first C-shaped link and the second C-shaped link and pull up, and then the ring can be closed. The storage box is disassembled, so that it is convenient for the staff to clean up the sundries in the annular storage box.

The utility model is further provided as follows: the first C-shaped connecting rod is sleeved with a first rubber anti-skid sleeve fixed thereto, and the second C-shaped connecting rod is sleeved with a second rubber anti-skid sleeve fixed therewith.

By adopting the above technical solution, both the first rubber anti-skid cover and the second rubber anti-skid cover are made of rubber material, and the surfaces of both have a large coefficient of friction. When the staff holds the first rubber anti-skid cover and the second rubber When the anti-skid cover is used, there is a large friction force between the staff's hand and the first rubber anti-skid cover and the second rubber anti-skid cover, which reduces the time when the staff holds the second C-shaped link and the first C-shaped link. probability of slippage.

The utility model is further configured as follows: an SBS modified bitumen waterproofing membrane is arranged between the plain soil layer and the permeable concrete layer.

By adopting the above technical scheme, the SBS modified bitumen waterproofing membrane is composited with glass fiber felt, polyester felt and glass fiber reinforced polyester felt as the tire base for styrene-butadiene-styrene rubber modified asphalt. With excellent ultra-low temperature performance, it can still maintain good flexibility at a low temperature of minus 40 degrees Celsius, can adapt to the deformation and cracking of the roadbed, and form a high-strength waterproof layer, which prevents the water flow from continuing to infiltrate along the plain soil layer, thereby reducing the water flow erosion. The probability that the plain soil layer will collapse.

The utility model is further configured as follows: the drainage pipe is arranged obliquely, and the height of the end of the drainage pipe close to the connection pipe is greater than the height of the end of the drainage pipe away from the connection pipe.

By adopting the above technical solution, when a small amount of small molecular impurities enter the drain pipe along the connecting pipe, the drain pipe is inclined, so that the debris in the drain pipe can be discharged into the drain in time, thereby reducing the blockage of the drain pipe. The probability.

To sum up, the beneficial technical effects of the present utility model are:

In this scheme, a first filter screen is arranged at the upper end of the connecting pipe, so as to have a good filtering effect on the water entering the connecting pipe, so that the water entering the connecting pipe is fully filtered, and the content of impurities in the water entering the connecting pipe is reduced, thereby reducing the It reduces the probability of blockage of the connecting pipe, which is conducive to the timely discharge of water in the road area;

In this solution, a fixing component is arranged on the upper end of the connecting pipe, so that the staff can fix and disassemble the first filter screen, so that the staff can take off the first filter screen and brush the first filter screen. When it is blocked, the staff can use the external pressure pump to pump air pressure into the connecting pipe, and the connecting pipe can be dredged by the action of high pressure, so that the connecting pipe can be dredged, which is conducive to the smooth progress of road drainage;

In this solution, when there is a lot of debris in the annular storage box, the staff can open the fence, then hold the first C-shaped connecting rod and the second C-shaped connecting rod and pull it upward, and then the annular storage box can be opened. It can be disassembled to facilitate the staff to clean up the sundries in the annular storage box.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

2 is a schematic plan view of the overall structure in the present utility model;

Fig. 3 is the partial enlarged schematic diagram of A part in Fig. 2;

4 is a schematic structural diagram of the present invention for highlighting the first rubber anti-skid cover and the second rubber anti-skid cover.

Reference signs: 1. Plain soil layer; 2. SBS modified asphalt waterproofing membrane; 3. Permeable concrete layer; 31. Upper cylindrical groove; 32. Lower cylindrical groove; 4. Asphalt layer; 41. Step groove; 411, fence; 5, drain; 51, installation slot; 511, second filter; 6, connecting pipe; 61, drain pipe; 7, first filter; 8, fixing component; 81, bolt; 82, thread 9. Ring-shaped storage box; 91. Water seepage hole; 92. The first C-shaped connecting rod; 921, the first rubber anti-skid sleeve; 93, the second C-shaped connecting rod;

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

As shown in FIG. 1 , a permeable asphalt pavement disclosed by the utility model includes a plain soil layer 1 , an SBS modified asphalt waterproofing membrane 2 , a permeable concrete layer 3 , an asphalt layer 4 and a drainage ditch 5 . The plain soil layer 1, the SBS modified bitumen waterproofing membrane 2, the permeable concrete layer 3 and the asphalt layer 4 are arranged in order from bottom to top. The SBS modified bitumen waterproofing membrane 2 is laid on the upper surface of the plain soil layer 1. The SBS modified bitumen waterproofing membrane 2 is made of glass fiber felt and polyester felt for asphalt modified with styrene-butadiene-styrene rubber. It is compounded with glass fiber reinforced polyester felt as the tire base. It has excellent ultra-low temperature performance and can maintain good flexibility at a low temperature of minus 40 degrees Celsius. SBS modified asphalt waterproofing membrane 2 can adapt to the deformation and cracking of the roadbed, The formation of a high-strength waterproof layer prevents the water flow from continuing to infiltrate along the plain soil layer 1, thereby reducing the probability of the water flow scouring the plain soil layer 1 and causing the plain soil layer 1 to collapse. The permeable concrete layer 3 is paved with permeable concrete, which is laid on the upper surface of the SBS modified bitumen waterproofing membrane 2 . The asphalt layer 4 is paved with asphalt material and is laid on the upper surface of the permeable concrete layer 3 . The drainage ditch 5 is made of cement, and its cross section is U-shaped. The extension direction of the drainage ditch 5 is parallel to the length direction of the road surface.

As shown in FIG. 1 , a stepped groove 41 is provided on the upper surface of the asphalt layer 4 , the cross section of the stepped groove 41 is stepped, the bottom surface of the stepped groove 41 is flush with the upper surface of the permeable concrete layer 3 , and the stepped groove 41 is installed with a Fence 411. The fence 411 is circular, and its axis is vertical. By arranging the fence 411 , the water flow entering the stepped groove 41 is initially filtered, and the probability of large-sized sundries entering the stepped groove 41 is reduced.

As shown in FIG. 2 and FIG. 3 , the permeable concrete layer 3 is provided with an upper cylindrical groove 31 and a lower cylindrical groove 32. The cross section of the upper cylindrical groove 31 is circular, and the position of the upper cylindrical groove 31 is the same as that of the stepped groove. The position of 41 corresponds, the upper surface of the upper cylindrical groove 31 is flush with the upper surface of the permeable concrete layer 3 , and the axis of the upper cylindrical groove 31 coincides with the axis of the fence 411 . The cross section of the lower cylindrical groove 32 is circular, its axis coincides with the axis of the upper cylindrical groove 31 , and the upper end opening of the lower cylindrical groove 32 communicates with the inner bottom wall of the upper cylindrical groove 31 .

As shown in FIG. 2 , a connecting pipe 6 is installed in the lower cylindrical groove 32 . The connecting pipe 6 is of a circular tubular structure. The axis of the connecting pipe 6 coincides with the axis of the lower cylindrical groove 32 . The inner arc surface of the connecting pipe 6 is attached and fixed, and the height of the upper opening of the connecting pipe 6 is greater than the height of the upper opening of the lower cylindrical groove 32 . As shown in FIG. 3 , the upper end of the connecting pipe 6 is provided with a first filter screen 7 , and the bottom surface of the frame of the first filter screen 7 is attached to the upper opening surface of the connecting pipe 6 . The water flow in the pipe 6 is filtered, which reduces the probability that small-volume sundries enter the connecting pipe 6 from the water inlet end of the connecting pipe 6 , thereby reducing the probability that the connecting pipe 6 is blocked. The top of the first filter screen 7 is arc-shaped. When a small amount of debris passes through the fence 411 and falls to the top of the first filter screen 7, the debris easily slides off the curved surface of the top of the first filter screen 7, thereby reducing the amount of debris. The probability that the sundries accumulate on the top of the first filter screen 7, so that the first filter screen 7 can exert a good filtering function.

As shown in FIG. 3 , a fixing component 8 is installed on the upper end of the connecting pipe 6 for fixing the first filter screen 7 , and the fixing component 8 includes a bolt 81 and a threaded hole 82 . The axis of the bolt 81 is vertical, and the frame of the first filter screen 7 is provided with a through hole (not shown in the figure) for the bolt 81 to pass through, so that the bolt 81 can pass through the frame of the first filter screen 7 . The axis of the threaded hole 82 coincides with the axis of the bolt 81 , which is opened on the upper end surface of the connecting pipe 6 , and the threaded hole 82 is threadedly connected with the bolt 81 . When installing the first filter screen 7, the staff only needs to fit the bottom surface of the frame of the first filter screen 7 with the upper end surface of the connecting pipe 6, and then pass the bolt 81 through the through hole, and make the bolt 81 and the threaded hole 82 threaded connection , so that the first filter screen 7 can be fixed on the upper end of the connecting pipe 6 . When the first filter screen 7 is blocked, the staff can disassemble the first filter screen 7 by unscrewing the bolts 81, so as to facilitate the staff to brush the first filter screen 7 and make the first filter screen 7 dredge.

As shown in FIG. 2 , a drain pipe 61 is embedded in the permeable concrete layer 3, and the drain pipe 61 is a circular tubular structure arranged obliquely. The lower end of the pipe 61 is fixed and communicated with the side wall of the drainage ditch 5 , and the height of the end of the drainage pipe 61 close to the connecting pipe 6 is greater than the height of the end of the drainage pipe 61 away from the connecting pipe 6 . By arranging the drain pipe 61 , it is convenient to discharge the water flowing into the connecting pipe 6 into the drain ditch 5 . In addition, the drain pipe 61 is inclined to make it difficult for debris to accumulate in the drain pipe 61 , which is beneficial to make the drain pipe 61 Continue to remain on.

As shown in FIG. 3 , an annular storage box 9 is installed in the upper cylindrical groove 31 , the cross section of the annular storage box 9 is annular, the axis of the annular storage box 9 coincides with the axis of the connecting pipe 6 , and the The outer arc-shaped surface fits with the inner arc-shaped surface of the upper cylindrical groove 31, the inner arc-shaped surface of the annular storage box 9 is attached to the outer arc-shaped surface of the connecting pipe 6, and the outer bottom wall of the annular storage box 9 is attached to the upper column. The inner bottom wall of the shaped groove 31 is fitted, and the height of the opening at the upper end of the annular storage box 9 is less than or equal to the height of the upper end of the connecting pipe 6 . By arranging the annular storage box 9, when the arc-shaped surface on the top of the first filter screen 7 slides down, the sundries can easily enter the annular container 9 for collection, so as to facilitate the centralized cleaning of the sundries by the staff.

As shown in FIG. 3 , the side walls and the bottom wall of the annular storage box 9 are provided with water seepage holes 91 , the cross section of the water seepage holes 91 is circular, and the number of water seepage holes 91 is multiple, so as to facilitate the flow of water from the water seepage holes 91 The seepage is beneficial to make the water flow entering the annular storage box 9 continue to seep down along the permeable concrete layer 3 . As shown in FIG. 2 , an installation groove 51 is provided on the side wall of the drainage ditch 5 close to the upper surface of the SBS modified bitumen waterproofing membrane 2. The cross section of the installation groove 51 is rectangular, and a second filter is installed in the installation groove 51. Net 511. The cross section of the second filter screen 511 is rectangular, the upper surface of the second filter screen 511 is attached and fixed to the top wall of the installation groove 51, and the bottom surface of the second filter screen 511 is attached to and fixed to the bottom wall of the installation groove 51. The water infiltrated from the layer 3 to the upper surface of the SBS modified bitumen waterproofing membrane 2 can be smoothly drained into the drainage ditch 5 .

As shown in FIGS. 3 and 4 , a first C-shaped link 92 and a second C-shaped link 93 are mounted on the annular storage box 9 . The cross-section of the first C-shaped link 92 is circular, and the first C-shaped link Both ends of the connecting rod 92 are fixed to the upper surface of the annular storage box 9 on the side away from the connecting pipe 6 . The cross section of the second C-shaped link 93 is circular, and both ends of the second C-shaped link 93 are fixed to the upper surface of the annular storage box 9 away from the connecting pipe 6 , and the second C-shaped link 93 and the first C-shaped link 92 perpendicular to each other and intersect. By arranging the first C-shaped link 92 and the second C-shaped link 93, it is convenient for the staff to hold the first C-shaped link 92 and the second C-shaped link 93 and pull it upward, so that it is convenient for the staff to The annular storage box 9 is lifted, so as to clean the sundries in the annular storage box 9 .

As shown in FIG. 4 , the first C-shaped link 92 is sleeved with a first rubber anti-skid sleeve 921 fixed thereon. The first rubber anti-skid sleeve 921 is located at a position near the middle of the first C-shaped link 92 . The second C-shaped link 93 is sleeved with a second rubber anti-skid sleeve 931 fixed thereon, and the second rubber anti-skid sleeve 931 is located at a position near the middle of the second C-shaped link 93 . The first rubber anti-skid cover 921 and the second rubber anti-skid cover 931 are both made of rubber material, and the surfaces of the first rubber anti-skid cover 921 and the second rubber anti-skid cover 931 have a large coefficient of friction, so that the There is a large friction force between the parts, which is beneficial for the staff to hold the first C-shaped link 92 and the second C-shaped link 93, and reduces the staff's grasp of the first C-shaped link 92 and the second C-shaped link 92. Probability of slippage when connecting rod 93.

The implementation principle of this embodiment is as follows: a first filter screen 7 is arranged on the upper end of the connecting pipe 6, so as to have a good filtering effect on the water entering the connecting pipe 6, so that the water entering the connecting pipe 6 can be fully filtered and reduce the The content of sundries in the water entering the connecting pipe 6 is reduced, thereby reducing the probability of the connecting pipe 6 being blocked, which is conducive to timely discharge of water in the road area.

In this solution, the top of the first filter screen 7 is set in an arc shape. When a small amount of debris passes through the fence 411 and falls to the top of the first filter screen 7, the debris easily slides down the arc surface on the top of the first filter screen 7. In this way, the probability that the sundries accumulate on the top of the first filter screen 7 is reduced, so that the first filter screen 7 can exert a good filtering function. By arranging the annular storage box 9, when the arc-shaped surface on the top of the first filter screen 7 slides down, the sundries can easily enter the annular container 9 for collection, so as to facilitate the centralized cleaning of the sundries by the staff. By arranging the first C-shaped link 92 and the second C-shaped link 93, it is convenient for the staff to hold the first C-shaped link 92 and the second C-shaped link 93 and pull it upward, so that it is convenient for the staff to The annular storage box 9 is lifted, so as to clean the sundries in the annular storage box 9 .

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (9)

1. A permeable asphalt pavement, comprising a plain soil layer (1), a permeable concrete layer (3) and an asphalt layer (4) laid sequentially from bottom to top, and the permeable asphalt pavement also includes drainage ditches arranged on both sides of the road (5), characterized in that: a stepped groove (41) is provided on the asphalt layer (4), a fence (411) for blocking sundries is installed in the stepped groove (41), and the permeable concrete layer ( 3) An upper cylindrical groove (31) is opened at a position corresponding to the stepped groove (41), and a lower column communicating with the inner bottom wall of the upper cylindrical groove (31) is also opened on the permeable concrete layer (3) A connecting pipe (6) is fixed in the lower cylindrical groove (32), and a first filter screen (7) for filtering is installed on the upper end of the connecting pipe (6). (6) is communicated with the drainage ditch (5) through a drainage pipe (61). 2 . The permeable asphalt pavement according to claim 1 , wherein a fixing component ( 8 ) for fixing the first filter screen ( 7 ) is installed on the upper end of the connecting pipe ( 6 ), and the fixing component ( 8) It comprises a bolt (81) arranged through the frame of the first filter screen (7) and a threaded hole (82) opened on the upper end of the connecting pipe (6) and threadedly connected with the bolt (81). 3 . The permeable asphalt pavement according to claim 1 , wherein the top of the first filter screen ( 7 ) is arc-shaped. 4 . 4. A permeable asphalt pavement according to claim 3, characterized in that: the height of the upper end of the connecting pipe (6) is greater than the height of the inner bottom wall of the upper cylindrical groove (31), and the upper cylindrical groove (31) 31) An annular storage box (9) is installed between the inner arc-shaped surface of the connecting pipe (6) and the outer arc-shaped surface of the connecting pipe (6). The inner bottom wall is fitted, and the height of the upper end opening of the annular storage box (9) is less than or equal to the height of the upper end of the connecting pipe (6). 5 . The permeable asphalt pavement according to claim 4 , wherein a plurality of water seepage holes ( 91 ) are opened on the side wall and the bottom wall of the annular storage box ( 9 ). 6 . 6. A permeable asphalt pavement according to claim 5, characterized in that: a first C-shaped connecting rod (92) and a second C-shaped connecting rod ( 93), the second C-shaped link (93) and the first C-shaped link (92) are perpendicular to each other and intersect. 7 . The permeable asphalt pavement according to claim 6 , wherein the first C-shaped connecting rod ( 92 ) is sleeved with a first rubber anti-skid sleeve ( 921 ) fixed thereon, and the second The C-shaped connecting rod (93) is sleeved with a second rubber anti-skid sleeve (931) fixed therewith. 8 . The permeable asphalt pavement according to claim 1 , wherein an SBS modified asphalt waterproofing membrane ( 2 ) is arranged between the plain soil layer ( 1 ) and the permeable concrete layer ( 3 ). 9 . 9 . The permeable asphalt pavement according to claim 1 , wherein the drainage pipe ( 61 ) is arranged obliquely, and the height of the drainage pipe ( 61 ) close to one end of the connecting pipe ( 6 ) is greater than that of the drainage pipe ( 61 ). 10 . ) away from the height of one end of the connecting pipe (6).

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