Drainage vertical curb and asphalt pavement structure
By designing drainage outlets and drains on the curb stones, and combining them with composite geomembranes and multi-layer asphalt pavement structures, the problem of small and easily clogged drainage holes in existing curb stones has been solved, achieving efficient drainage and low-cost pavement drainage.
Patent Information
- Application Number
- CN202520383638.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-06
AI Technical Summary
The existing curb stones have small drainage holes, resulting in low drainage efficiency and easy clogging, which affects the road surface drainage effect and driving safety.
Design a drainage curbstone comprising a perforated drain outlet and a drain hole on an impermeable body, filled with a cement mortar layer and paved with a concrete slab. The main body is a right-angled trapezoid with an arc-shaped corner at the top. Combined with a composite geomembrane and a multi-layer asphalt pavement structure, it enhances drainage capacity and prevents clogging.
It improves the drainage capacity of curb stones, avoids siltation, facilitates maintenance and cleaning, enhances road drainage efficiency and safety, and reduces material usage and cost.
Smart Images
Figure CN223853098U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of asphalt pavement drainage, especially to a drainage curbstone and asphalt pavement structure. BACKGROUND
[0002] The curbstone is a marker stone arranged between the pavement and other structures, and directly affects the highway appearance, pavement drainage and driving safety as the subsidiary facilities of the highway. The asphalt pavement is a senior pavement most widely used in road construction, which refers to various types of pavements made of mineral materials mixed with road asphalt materials, and the asphalt binder improves the ability of the paving granules to resist the damage of driving and natural factors to the pavement, so that the pavement is flat, less dusty, waterproof and durable.
[0003] The highway usually uses the flat curbstone to meet the drainage problem of the superhigh section, and the height of the guardrail needs to be adjusted accordingly, which causes certain difficulties in the smooth connection of the guardrail line type. Or the curbstone with small round holes at the bottom is arranged for drainage, but the drainage hole of this kind of curbstone is small, the drainage efficiency is low, and the drainage function is lost due to easy clogging.
[0004] Therefore, aiming at the above problems, a drainage curbstone and asphalt pavement structure are provided to solve the above problems. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at the shortage of the prior art, and develops a drainage curbstone and asphalt pavement structure. The utility model can increase the drainage capacity of the curbstone, is convenient for subsequent maintenance and cleaning, and is not easy to block.
[0006] The technical scheme for solving the technical problem of the utility model is as follows: the utility model provides a drainage curbstone, which comprises a waterproof main body arranged along the length direction of the road, a first water outlet and a second water outlet are arranged through the waterproof main body along the direction perpendicular to the length of the waterproof main body, a middle support is arranged between the first water outlet and the second water outlet, a stable layer is arranged in the first water outlet and the second water outlet, and the top surface of the stable layer is flush with the surface of the road.
[0007] As optimization, the stable layer comprises a cement mortar layer and a concrete slab, the first water outlet and the second water outlet are filled with cement mortar to form the cement mortar layer, and the concrete slab is arranged on the top of the cement mortar layer.
[0008] As optimization, the cross section shape of the two ends of the waterproof main body is a right trapezoid.
[0009] As optimization, an arc-shaped corner is arranged on the side of the top of the waterproof main body close to the road.
[0010] As optimization, the size and specification of the first water outlet and the second water outlet are the same.
[0011] An asphalt pavement structure, comprising the drainage curbstone of any one of the above, further comprising a pavement laying layer and a composite geomembrane, the pavement laying layer is provided with a water-impermeable main body at both sides of the top end in the length direction of the pavement, and the composite geomembrane is arranged in the length direction of the pavement, the composite geomembrane is arranged at both ends of the pavement laying layer and the water-impermeable main body, and the filled soil on the side of the composite geomembrane away from the pavement forms a real soil layer.
[0012] As an optimization, the pavement laying layer comprises fine-grained asphalt concrete, first medium-grained asphalt concrete, second medium-grained asphalt concrete, large-diameter permeable asphalt mixture base, cement stabilized gravel base and lime fly ash stabilized soil bottom base which are sequentially laid from top to bottom, the ends of the fine-grained asphalt concrete, the first medium-grained asphalt concrete, the second medium-grained asphalt concrete and the large-diameter permeable asphalt mixture base are flush, a cushion is arranged above the end of the large-diameter permeable asphalt mixture base, the thickness of the cushion is the same as that of the large-diameter permeable asphalt mixture base, the cushion is connected with the large-diameter permeable asphalt mixture base, a water-impermeable main body is arranged on the cushion, and the fine-grained asphalt concrete, the first medium-grained asphalt concrete and the second medium-grained asphalt concrete are connected with the water-impermeable main body at the end face close to the road.
[0013] As an optimization, the top surface of the fine-grained asphalt concrete is flush with the top surface of the stabilized layer.
[0014] The effects provided in the content of the utility model are only the effects of the embodiments, and are not all the effects of the utility model, and the above technical solutions have the following advantages or beneficial effects:
[0015] The water outlet one and the water outlet two are arranged to increase the drainage capacity of the curbstone, the large size of the slot hole can avoid siltation and facilitate maintenance and cleaning, the water passing capacity is high, the connectivity is good, the amount of high-performance concrete is saved, and the cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0016] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model.
[0017] Fig. 1 It is a whole structure diagram of the utility model;
[0018] Fig. 2 It is a perspective view of the drainage curbstone of the utility model;
[0019] Fig. 3 It is a front view of the drainage curbstone of the utility model;
[0020] Fig. 4 It is a structure diagram of the concrete plate of the utility model.
[0021] In the figure, 1, impermeable main body; 2, cement mortar layer; 3, concrete slab; 4, fine-grained asphalt concrete; 5, first medium-grained asphalt concrete; 6, second medium-grained asphalt concrete; 7, large-grained permeable asphalt mixture base; 8, cement stabilized gravel base; 9, lime-fly ash stabilized soil bottom base; 10, cushion block; 11, composite geomembrane; 12, solid soil layer; 13, arc-shaped corner; 14, middle support; 17, water outlet one; 18, water outlet two. DETAILED DESCRIPTION
[0022] In order to clearly illustrate the technical features of the present scheme, the following through specific embodiments, and combining its drawings, the utility model is described in detail. The disclosure below provides many different embodiments or examples to realize the different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described in the following. In addition, the utility model can be repeatedly referred to in different examples. This repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The utility model omits the description of known components and processing techniques and processes to avoid unnecessary limitations on the utility model. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0023] As Figs. 1 to 4As shown, a drainage curb includes a water-impermeable main body 1 arranged along the length direction of the road, a water outlet one 17 and a water outlet two 18 are arranged through the water-impermeable main body 1 along the direction perpendicular to the length of the water-impermeable main body 1, a middle support 14 is arranged between the water outlet one 17 and the water outlet two 18, a stable layer is arranged in the water outlet one 17 and the water outlet two 18, and the top surface of the stable layer is flush with the road surface. By arranging the water outlet one 17 and the water outlet two 18, the drainage capacity of the curb is increased, and at the same time, the size of the groove hole is large, which can avoid siltation and is convenient for maintenance and cleaning. The water passing capacity is strong, the connectivity is good, and at the same time, the amount of high-performance concrete is saved, and the cost is reduced.
[0024] In this embodiment, in order to further improve the overall stability, the stable layer includes a cement mortar layer 2 and a concrete plate 3, the water outlet one 17 and the water outlet two 18 are filled with cement mortar to form the cement mortar layer 2, the cement mortar here is M10 cement mortar, the concrete plate 3 is laid on the top of the cement mortar layer 2, and the laying thickness of the concrete plate 3 is 2 cm. The water-impermeable main body 1 and the concrete plate 3 are both prefabricated by high-performance concrete, so as to ensure the overall structural strength and the corrosion resistance of the water surface and improve the overall service life.
[0025] In this embodiment, the cross-sectional shape of the water-impermeable main body 1 at both ends is a right trapezoid.
[0026] An arc-shaped corner 13 is arranged on the side of the top of the water-impermeable main body 1 close to the road. The arc-shaped corner 13 is consistent with the type of the side vertical surface of the existing curb of the road surface, so as to ensure that the overall connection is natural after replacement, and at the same time, the arc-shaped corner 13 can make the road surface more smooth and beautiful.
[0027] The size and specification of the water outlet one 17 and the water outlet two 18 are the same. The size of the water outlet one 17 and the water outlet two 18 along the length direction of the road is 27 cm, and the size between the top surface of the water outlet one 17 and the water outlet two 18 and the top surface of the water-impermeable main body 1 is 5 cm.
[0028] An asphalt pavement structure includes the drainage curb of any one of the above, and further includes a pavement laying layer and a composite geomembrane 11, the water-impermeable main body 1 is arranged on the top end of both sides of the pavement laying layer along the length direction of the pavement, the composite geomembrane 11 is arranged along the length direction of the pavement, the composite geomembrane 11 is arranged at both ends of the pavement laying layer and the water-impermeable main body 1, and the soil filled on the side of the composite geomembrane 11 away from the pavement forms a real soil layer 12.
[0029] The pavement laying layer comprises, from top to bottom, fine-grained asphalt concrete 4, first medium-grained asphalt concrete 5, second medium-grained asphalt concrete 6, large-grained permeable asphalt mixture base 7, cement stabilized gravel base 8 and lime fly ash stabilized soil bottom base 9, the end of the fine-grained asphalt concrete 4, the first medium-grained asphalt concrete 5, the second medium-grained asphalt concrete 6 and the large-grained permeable asphalt mixture base 7 are flush, the end of the large-grained permeable asphalt mixture base 7 is provided with a cushion 10, the thickness of the cushion 10 is the same as that of the large-grained permeable asphalt mixture base 7, and the cushion 10 is connected with the large-grained permeable asphalt mixture base 7, the impermeable main body 1 is arranged on the cushion 10, and the fine-grained asphalt concrete 4, the first medium-grained asphalt concrete 5 and the second medium-grained asphalt concrete 6 are connected with the end face of the impermeable main body 1 close to the road.
[0030] The top surface of the fine-grained asphalt concrete 4 is flush with the top surface of the stabilized layer. In this way, the stagnant water can be conveniently discharged in time.
[0031] Although the specific embodiments of the utility model are described in combination with the drawings, the description is not a limitation on the protection scope of the utility model, and various modifications or changes made by those skilled in the art on the basis of the technical scheme of the utility model without creative labor are still within the protection scope of the utility model.
Claims
1. A drainage curbstone comprising a water-impermeable main body (1) arranged in the length direction of a road, characterized by: The water-impermeable main body (1) is provided with a water outlet one (17) and a water outlet two (18) penetrating along the vertical direction of the length of the water-impermeable main body (1), a middle support (14) is arranged between the water outlet one (17) and the water outlet two (18), and a stable layer is arranged in the water outlet one (17) and the water outlet two (18), and the top surface of the stable layer is flush with the road surface.
2. The drain kerb according to claim 1, characterised in that: The stable layer comprises a cement mortar layer (2) and a concrete slab (3), the water outlet one (17) and the water outlet two (18) are filled with cement mortar to form the cement mortar layer (2), and the concrete slab (3) is arranged on the top of the cement mortar layer (2).
3. The drain kerb according to claim 1, characterised in that: The cross section shape of the two ends of the water-impermeable main body (1) is a right trapezoid.
4. The drain kerb according to claim 3, characterised in that: An arc-shaped corner (13) is arranged on the side of the top of the water-impermeable main body (1) close to the road.
5. The drain kerb according to claim 1, characterised in that: The size and specification of the water outlet one (17) and the water outlet two (18) are the same.
6. An asphalt pavement structure comprising the drainage curb of any one of claims 1 to 5, characterized in that: The road paving layer and the composite geomembrane (11) are further included, the water-impermeable main body (1) is arranged on the top of the two sides of the road paving layer along the length direction of the road, the composite geomembrane (11) is arranged along the length direction of the road, the composite geomembrane (11) is arranged at the two ends of the road paving layer and the water-impermeable main body (1), and the filled soil on the side of the composite geomembrane (11) away from the road forms a real soil layer (12).
7. The asphalt pavement structure of claim 6, characterized by: The road paving layer comprises, from top to bottom, fine-grained asphalt concrete (4), first medium-grained asphalt concrete (5), second medium-grained asphalt concrete (6), large-diameter permeable asphalt mixture base (7), cement stabilized gravel base (8) and lime fly ash stabilized soil bottom base (9), the ends of the fine-grained asphalt concrete (4), the first medium-grained asphalt concrete (5), the second medium-grained asphalt concrete (6) and the large-diameter permeable asphalt mixture base (7) are flush, the cushion block (10) is arranged above the end of the large-diameter permeable asphalt mixture base (7), the thickness of the cushion block (10) is the same as that of the large-diameter permeable asphalt mixture base (7), the cushion block (10) is connected with the large-diameter permeable asphalt mixture base (7), the water-impermeable main body (1) is arranged on the cushion block (10), and the fine-grained asphalt concrete (4), the first medium-grained asphalt concrete (5) and the second medium-grained asphalt concrete (6) are connected with the end face of the water-impermeable main body (1) close to the road.
8. The asphalt pavement structure of claim 7, characterized by: The top surface of the fine-grained asphalt concrete (4) is flush with the top surface of the stable layer.