CN211815273U - Asphalt road structure permeates water - Google Patents

Abstract

The utility model discloses a bituminous paving structure permeates water has solved the problem that the easy dislocation that produces of blind pipe junction in the road structure among the prior art, and its technical essential is: the utility model provides a bituminous road structure permeates water, includes the high viscosity bituminous concrete layer, the gap that permeates water that set gradually from top to bottom and permeates water concrete layer, rubble bed course, plain soil layer, the rubble bed course with waterproof geotechnological cloth has been laid between the plain soil layer, lay many blind pipes that dock in proper order in the rubble bed course, the blind pipe is finally with city rainwater pipeline intercommunication, adjacent fixed connection between the blind pipe terminal surface and be in the blind pipe is provided with the coupling assembling that is used for consolidating both connection relations outward, through the above-mentioned scheme, has realized that the coupling assembling of many blind pipes between the erection joint then makes the blind pipe connect more firmly stably, still can the stable connection between the blind pipe when the displacement of the slight degree takes place in the soil layer, avoids taking place the dislocation.

Description

Asphalt road structure permeates water

Technical Field

The utility model belongs to the technical field of the technique of urban road structure and specifically relates to a bituminous road structure permeates water is related to.

Background

The sponge city is a new generation of urban rainfall flood management concept, and means that the city has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, and can be also called as a water elasticity city. The core of sponge city construction is to reserve limited rainwater resources for recycling, and the permeable pavement technology is key. The traditional impervious pavement destroys the ecological balance between the original natural vegetation and the atmosphere, water and energy, and the pervious pavement has obvious advantages in the aspect of ecological environmental protection.

For the permeable asphalt pavement, chinese patent with publication number CN206828908U discloses a permeable asphalt pavement structure, which comprises a fine grain type permeable asphalt mixture surface layer, a medium grain type permeable asphalt mixture lower surface layer, a gap permeable cement concrete layer, a gravel cushion layer, a filter layer and a soil base layer, which are sequentially arranged from top to bottom, wherein a drainage blind pipe is arranged in one of the surface layers, and the drainage blind pipe is connected to a catch basin or a rainwater collecting device.

However, the above scheme still has the following defects: the drainage blind pipe in the soil horizon needs to utilize many blind pipes to dock when laying, but the connection of blind pipe among the prior art mostly directly utilizes the colloid to bond after the butt joint, when the blind pipe under this kind of connected mode takes place deformation in the soil horizon environment, like slight earthquake, under the circumstances such as the violent striking in road surface, easily split at the junction between the blind pipe, and produce the dislocation, and then lead to the drainage road surface greatly reduced on infiltration road surface, will produce the risk that the soil horizon acutely warp, collapses when the water accumulation is serious in the soil horizon, make city ground have more serious potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a blind pipe firm in connection, stable pitch road structure that permeates water in road surface that exists to prior art.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a bituminous road structure permeates water, includes the high viscosity bituminous concrete layer that permeates water, the gap that from top to bottom sets gradually and permeates water concrete layer, rubble bed course, plain soil layer, the rubble bed course with waterproof geotechnological cloth has been laid between the plain soil layer, the many blind pipes that dock in proper order have been laid in the rubble bed course, the blind pipe finally communicates with city rainwater pipeline, and is adjacent fixed connection between the blind pipe terminal surface and be in the blind pipe is provided with the coupling assembling that is used for consolidating both connection relations outward.

By adopting the technical scheme, the high-viscosity permeable asphalt concrete layer, the gap permeable concrete layer and the broken stone cushion layer enable the top layer structure of the road structure to have good water permeability, so that the road surface can quickly permeate and descend rainwater and the like on the road surface. The intraformational blind pipe of garrulous stone pad then can be gathered the rainwater of infiltration and finally the water conservancy diversion to urban rainwater pipeline system in, realize guiding the earial drainage with the rainwater in the road, the coupling assembling of many blind pipes between the erection joint then makes the blind pipe connect more firmly stable simultaneously, makes the soil layer still can the stable connection between the blind pipe when taking place not serious displacement, avoids taking place the dislocation, makes road precipitation ability obtain the guarantee.

Further setting the following steps: the coupling assembling establish two sets ofly including the cover the reinforcing sleeve and the fixed connection outside the blind pipe are in insert the grafting stock in the gravel cushion layer on the processing sleeve, the reinforcing sleeve includes two sets of reinforcing arc boards that set up half to half, grafting stock fixed connection is in connect two sets ofly when on the reinforcing sleeve the reinforcing arc board, reinforcing arc board and two sets of be provided with the connecting piece between the blind pipe.

Through adopting above-mentioned technical scheme, utilize two sets of reinforcement arc board combinations to form the outer guard that the reinforcement sleeve realized dashing the branch at the tip of two sets of blind pipes, again because the grafting stock forms its tip grafting in the garrulous stone pad when connecting two sets of reinforcement arc boards and consolidate the sleeve, make the resistance that the removal of grafting stock receives great, and then make the grafting stock and the reinforcement sleeve that the reinforcement arc board constitutes receive the resistance that comes from the soil layer great when removing, realize improving whole reinforcement sleeve's stability, finally realize improving the stability of two blind pipes at the junction, and then guarantee that the road surface still has stronger infiltration drainage ability after taking place slight vibration.

Further setting the following steps: the outer wall of the blind pipe is fixedly connected with an annular convex block coaxial with the blind pipe, and the inner wall of the reinforcing arc plate is provided with a plug-in groove for the insertion of the annular convex block.

By adopting the technical scheme, the inserting and connecting cooperation of the inserting and connecting groove and the annular convex block is utilized, so that the blind pipe is axially connected with the reinforcing sleeve, the separation of a single blind pipe from another blind pipe after the blind pipe moves in the axial direction is avoided, and the connection of the two groups of blind pipes is more stable.

Further setting the following steps: consolidate the both ends fixedly connected with connecting block of arc board, it is two sets of to consolidate connecting block on the arc board consolidate the arc board and constitute coincidence is contradicted during the reinforcement sleeve, the grafting stock passes two sets of consolidate two sets of that the arc board contacted the connecting block, threaded connection has the tight nut that supports on the two sets of connecting blocks of butt on the grafting stock.

Through adopting above-mentioned technical scheme, utilize the grafting stock to pass the connecting block that two sets of reinforcement arc board tip were contradicted to it is tight with the connecting block both sides to establish the support nut on the grafting stock with the help of the screw thread cover, realizes constituteing two sets of reinforcement arc boards and consolidates the sleeve, simple structure easy to carry out while firm in connection.

Further setting the following steps: the high-viscosity water-permeable asphalt concrete layer comprises a fine grain type water-permeable asphalt concrete layer and a medium grain type water-permeable asphalt concrete layer which are sequentially arranged from top to bottom.

Through adopting above-mentioned technical scheme, the bituminous concrete layer that permeates water of high viscosity includes the concrete layer of two-layer different particle diameters, and then makes road surface top layer roughness obtain effective guarantee when guaranteeing the precipitation capacity on road surface.

Further setting the following steps: the thickness of the fine grain type pervious asphalt concrete layer is 40mm, and the thickness of the medium grain type pervious asphalt concrete layer is 50 mm.

Through adopting above-mentioned technical scheme, well granule formula asphalt concrete layer that permeates water thickness is greater than the granule formula asphalt concrete layer that permeates water for the rainwater can be more quick through whole high viscosity asphalt concrete layer that permeates water, accelerate precipitation efficiency.

Further setting the following steps: the thickness of the gap permeable cement concrete layer is 200mm, and the maximum nominal particle size of the selected aggregate is 5-12 mm.

Through adopting above-mentioned technical scheme, guarantee the infiltration efficiency of road when reinforcing road structural strength.

Further setting the following steps: the thickness of the gravel cushion layer is 300mm, and the particle size of gravel aggregates selected by the gravel cushion layer is 5-25 mm.

By adopting the technical scheme, the cost of selecting materials on the bottom layer of the road structure is reduced, and the overall water seepage efficiency of the road is guaranteed.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the adjacent blind pipes are connected through the connecting assembly, so that the stability and firmness are realized, the dislocation resistance is higher, and the normal use of the blind pipes below the road surface is ensured;

(2) simple structure, easy production and manufacture, and quick and convenient use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is the structural explosion schematic diagram of the blind pipe connecting component of the utility model.

Reference numerals: 1. a high viscosity pervious asphalt concrete layer; 2. a void pervious concrete layer; 3. a gravel cushion layer; 4. a plain soil layer; 5. a fine-grained pervious asphalt concrete layer; 6. a medium grain type pervious asphalt concrete layer; 7. waterproof geotextile; 8. a blind pipe; 9. reinforcing the sleeve; 10. inserting an anchor rod; 11. reinforcing the arc plate; 12. an annular projection; 13. inserting grooves; 14. connecting blocks; 15. the nut is tightly propped.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a bituminous paving structure permeates water, including the high viscosity asphalt concrete layer 1 that permeates water, the space concrete layer 2 that permeates water, rubble bed course 3, plain soil layer 4 that from top to bottom set gradually. Wherein, high viscosity asphalt concrete layer 1 that permeates water includes the fine grain formula asphalt concrete layer 5 and the medium grain formula asphalt concrete layer 6 that permeates water that from top to bottom sets gradually, and the fine grain formula asphalt concrete layer 5 that permeates water is 40mm, and medium grain formula asphalt concrete layer 6 that permeates water is 50 mm. The fine grain type permeable asphalt mixture surface layer 1 adopts PAC-10, PAC-13, OGFC-10 or OGFC-13, PAC is a polyaluminium material, OGFC is an open-graded anti-sliding wearing layer, selected aggregate is basalt or diabase, and the crushing value is 16% less. After the fine-grain type permeable asphalt mixture surface is formed, the porosity is 18-25%, and the permeability coefficient is more than 800ml/15 s. The void ratio of the medium-particle type pervious asphalt concrete layer 6 is 18-25%, the permeability coefficient is larger than 800ml/15s, PAC-16 and PAC-20 are adopted, and basalt, diabase or limestone is adopted as stone.

The thickness of the gap permeable cement concrete layer is 200mm, the water permeability is more than 1mm/s, the maximum nominal particle size of the selected aggregate is 5-12 mm, the thickness of the gravel cushion layer 3 is 300mm, the maximum nominal particle size of the selected aggregate is 5-25 mm, and the compactness is more than 0.93. And a waterproof geotextile 7 is laid between the broken stone cushion layer 3 and the plain soil layer 4.

Referring to fig. 1, simultaneously, a plurality of blind pipes 8 which are butted in sequence are laid in the gravel cushion layer 3, and the blind pipes 8 are finally communicated with an urban rainwater pipeline. The end surfaces of the adjacent blind pipes 8 are bonded, and a connecting assembly used for reinforcing the connection relationship between the blind pipes 8 is arranged outside the blind pipes.

Referring to fig. 2 and fig. 1, the connecting assembly comprises a reinforcing sleeve 9 sleeved outside the two groups of blind pipes 8 and a plugging anchor rod 10 fixedly connected to the processing sleeve and plugged into the gravel cushion 3. The reinforcing sleeve 9 comprises two groups of reinforcing arc plates 11 arranged in half, the central angle of each reinforcing arc plate 11 is 180 degrees, and two ends of each reinforcing arc plate 11 are respectively connected with two groups of blind pipes 8. An annular convex block 12 coaxial with the blind pipe 8 is fixedly bonded on the outer wall of the blind pipe 8, and an inserting groove 13 for inserting the annular convex block 12 is formed in the inner wall of the reinforcing arc plate 11, so that the two ends of the reinforcing arc plate 11 are connected with the blind pipe 8.

Simultaneously, consolidate the equal fixedly connected with connecting block 14 in the ascending both ends of perpendicular to axial direction of arc board 11, the coincidence of connecting block 14 on two sets of reinforcement arc boards 11 is contradicted when consolidating sleeve 9 in the constitution of reinforcement arc board 11, and grafting stock 10 then passes two sets of connecting blocks 14 that the two sets of reinforcement arc boards 11 contacted, and threaded connection has the butt to tight nut 15 on two sets of connecting blocks 14 on the body of rod of the both ends of grafting stock 10. And then, the two groups of reinforcing arc plates 11 can be combined to form a reinforcing sleeve 9 by virtue of the inserting anchor rod 10 and the abutting nut 15 on the inserting anchor rod, and are connected and fixed when being sleeved on the outer side of the blind pipe 8.

The implementation principle and the beneficial effects of the embodiment are as follows: utilize two sets of reinforcing arc plates 11 combination to form and consolidate sleeve 9 and realize carrying out abundant outer protection at the tip of two sets of blind pipes 8, owing to peg graft stock 10 its tip is pegged graft in rubble bed course 3 when connecting two sets of reinforcing arc plates 11 formation and consolidate sleeve 9, make the removal resistance that is received of peg graft stock 10 great, and then make the peg graft stock 10 and consolidate the reinforcing sleeve 9 that arc plates 11 constitute receive the resistance that comes from the soil layer great when removing, realize improving whole reinforcing sleeve 9's stability, finally realize improving the stability of two blind pipes 8 at the junction, and then guarantee that the road surface still has stronger infiltration drainage ability after taking place slight vibration.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a bituminous road structure permeates water which characterized in that: including the high viscosity asphalt concrete layer (1) that permeates water, the space that from top to bottom sets gradually, the waterproof geotechnological cloth (7) have been laid to rubble bed course (3) with between plain soil layer (4), many blind pipes (8) that dock in proper order have been laid in rubble bed course (3), blind pipe (8) finally and urban rainwater pipeline intercommunication, it is adjacent fixed connection between blind pipe (8) terminal surface and be in blind pipe (8) are provided with the coupling assembling that is used for consolidating both connection relations outward.

2. A water-permeable asphalt road structure according to claim 1, characterized in that: coupling assembling establishes at two sets ofly including the cover consolidate sleeve (9) and fixed connection outside blind pipe (8) consolidate on sleeve (9) and insert and connect to peg graft stock (10) in rubble bed course (3), consolidate sleeve (9) including two sets of reinforcement arc board (11) that set up half to half, peg graft stock (10) fixed connection consolidate on sleeve (9) the while connect two sets of consolidate arc board (11), consolidate the both ends of arc board (11) respectively with two sets of blind pipe (8) are connected.

3. A water-permeable asphalt road structure according to claim 2, wherein: the outer wall of the blind pipe (8) is fixedly connected with an annular convex block (12) coaxial with the blind pipe (8), and the inner wall of the reinforcing arc plate (11) is provided with an inserting groove (13) for inserting the annular convex block (12).

4. A water-permeable asphalt road structure according to claim 3, wherein: consolidate both ends fixedly connected with connecting block (14) of arc board (11), it is two sets of to consolidate connecting block (14) on arc board (11) consolidate arc board (11) and constitute coincidence is contradicted when consolidating sleeve (9), grafting stock (10) pass two sets of consolidate two sets of that arc board (11) contacted connecting block (14), threaded connection has on grafting stock (10) supports tight nut (15) on two sets of connecting block (14) of butt.

5. A water-permeable asphalt road structure according to claim 1, characterized in that: the high-viscosity water-permeable asphalt concrete layer (1) comprises a fine grain type water-permeable asphalt concrete layer (5) and a medium grain type water-permeable asphalt concrete layer (6) which are sequentially arranged from top to bottom.

6. A water-permeable asphalt road structure according to claim 5, wherein: the thickness of the fine grain type pervious asphalt concrete layer (5) is 40mm, and the thickness of the medium grain type pervious asphalt concrete layer (6) is 50 mm.

7. A water-permeable asphalt road structure according to claim 1, characterized in that: the thickness of the gap permeable cement concrete layer is 200mm, and the maximum nominal particle size of the selected aggregate is 5-12 mm.

8. A water-permeable asphalt road structure according to claim 1, characterized in that: the thickness of the gravel cushion layer (3) is 300mm, and the particle size of gravel aggregate selected by the gravel cushion layer (3) is 5-25 mm.

Images