CN213267507U

CN213267507U - Bridge drainage ditch for secondary collecting water between asphalt layers

Info

Publication number: CN213267507U
Application number: CN202021988683.3U
Authority: CN
Inventors: 张敏
Original assignee: MEA CHINA Ltd
Current assignee: MEA CHINA Ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-05-25
Anticipated expiration: 2030-09-15

Abstract

The utility model relates to a bridge escape canal of water between asphalt layer is collected to secondary, it comprises the concatenation of several resin concrete ditch body at length direction, and the ditch body section is the U-shaped form, and its left side is the perpendicular, and its right side is trapezoidal face. The outer wall of the left side of the ditch body is provided with a concrete pavement groove of the ditch body, and the inner wall of the ditch body is provided with a bayonet. The right wall of the ditch body is provided with an arch hole for collecting water between asphalt layers and an asphalt pavement groove. The bottom of the inclined plane of the outer wall of the right side of the ditch body is provided with a ditch body secondary collection asphalt interlayer water tank which extends longitudinally. The front end part and the rear end part of the two sides of the groove body are respectively provided with a groove body socket tongue-and-groove connecting buckle, and the two groove bodies are connected and spliced through the connecting buckle. The utility model discloses constitute by the resin concrete ditch body, ditch body section asymmetric design, ditch body perpendicular and the joint of concrete pavement surface, ditch body trapezoidal face bituminous surface of mating formation to the arch structure of water between the bituminous layer is collected in the design and the triangle-shaped structure groove of water between the secondary bituminous layer is collected, the drainage of being convenient for.

Description

Bridge drainage ditch for secondary collecting water between asphalt layers

Technical Field

The utility model relates to a drainage facility, in particular to bridge drainage ditch of water between asphalt layer is collected to secondary.

Background

The conventional viaduct drainage is that a single rainwater hole is arranged at the edge of each bridge pier in a dotted manner, but for a bridge with a gentle slope or a long flat road, the drainage system cannot meet the drainage requirement, and accumulated water is easily caused.

Sponge city construction is promoted nationwide at present, and to the asphalt layer interlayer water of permeable asphalt pavement (asphalt structure porosity is big) and lower concrete pavement layered structure department, need effectively collect and discharge, otherwise can influence the asphalt pavement quality, cause the surface course to damage to the service life and the driving safety of asphalt pavement are influenced.

The water between the asphalt layers is generated on the asphalt surface layer and the concrete of the lower layer for layering, the lower layer is waterproof, rainwater permeates into the lower layer through the asphalt pavement with large pores, and the water between the asphalt layers can influence the service life of the asphalt pavement if the water is not discharged in time

In view of the above, those skilled in the art have made an effort to develop a bridge drainage ditch capable of collecting water between asphalt layers to solve the problem that the existing drainage facility cannot effectively collect water between asphalt layers.

Disclosure of Invention

The utility model aims at providing a bridge drainage ditch of water between asphalt layer is collected to secondary comprises the resin concrete ditch body, the asymmetric design of ditch body section, ditch body perpendicular and the surface joint of mating formation of concrete, ditch body trapezoidal face bituminous surface of mating formation, with the pitch joint side of mating formation design respectively collect the domes of water between the asphalt layer and collect the triangle-shaped structure groove of water between the secondary asphalt layer, solved the problem that above-mentioned prior art exists from this.

The technical solution of the utility model is as follows:

a bridge drainage ditch for collecting water between asphalt layers for the second time is formed by splicing a plurality of resin concrete ditch bodies in the length direction, the cross section of each ditch body is in a wide U shape, the left side of the cross section of each ditch body is a vertical surface, the right side of the cross section of each ditch body is a trapezoidal surface, and the right side of the cross section of each ditch body extends from an upper half vertical surface to a lower half inwards retracted inclined surface;

the outer wall of the left side of the ditch body is provided with a ditch body concrete pavement groove which is in pavement joint with concrete, and the inner wall of the left side of the ditch body is provided with a ditch body inner wall bayonet;

the right wall of the groove body is provided with a groove body arch-shaped hole for collecting water between asphalt layers, the right wall of the groove body is also provided with a groove body asphalt pavement groove which is jointed with asphalt pavement, and the bottom of the inclined plane of the outer wall of the right side of the groove body is provided with a groove body secondary asphalt layer collecting water tank which is longitudinally extended and used for collecting water between the groove body secondary asphalt layers;

the front end parts of two sides of the groove body are respectively provided with a groove body socket tongue-and-groove connecting buckle, the rear end parts of two sides of the groove body are respectively provided with a groove body socket tongue-and-groove connecting buckle, and the two groove bodies are buckled and spliced through the groove body socket tongue-and-groove connecting buckle.

And a groove cover plate is covered and installed on the groove body.

And sealant is coated when the socket tongue-and-groove joints of the two groove bodies are connected, buckled and spliced by the buckles.

The utility model discloses a bridge drainage ditch of water between asphalt layer is collected to the secondary comprises the resin concrete ditch body, the asymmetric design of ditch body section, ditch body perpendicular and the concrete pavement surface joint, ditch body trapezoidal face bituminous surface of mating formation, with the pitch pavement joint side respectively design collect the domes of water between asphalt layer and collect the triangle-shaped structure groove of water between the secondary asphalt layer.

The utility model discloses a resin concrete ditch body uses choice aggregate, special unsaturated polyester resin, special curing agent of transferring as the raw materials, mixes through the stirring, through the shaping of the disposable injection molding of fixed mould. Resin concrete escape canal is for the cast-in-place novel escape canal that lays the escape canal or cross section of rectangle resin concrete escape canal of traditional concrete, and the ditch body cross section of the cast-in-place concrete escape canal of traditional is the rectangle, considers from the hydraulics angle, and material surface viscous force is strong, and silt and rubbish are piled up easily to the position of ditch body angle.

The bridge drainage ditch for secondary collection of water between asphalt layers of the utility model adopts the resin concrete material with high bending resistance and compressive strength, the installation of the ditch body is convenient, and the ditch body is firmly combined with the roadbed; the inner wall of the drainage ditch body is smooth, and the drainage effect is good.

The utility model discloses a bridge escape canal that water between asphalt layer was collected to secondary has following advantage:

1. the resin concrete ditch body is provided with an arch structure for collecting water between asphalt layers and a triangular structure groove for collecting water between secondary asphalt layers, so that drainage is facilitated.

2. The groove body is connected with the groove body through the male and female buckles, and a glue groove is reserved at the lap joint per meter, so that the construction of waterproof sealing is facilitated.

3. The groove structure of the outer wall of the ditch body plays a role in well fixing the pavement and the bonding of asphalt and concrete.

4. The surface roughness of the water passing surface of the ditch body is about 25 mu m, the water passing capacity is 1.6 times of that of common concrete, and the water flow speed is high.

5. The surface of the groove body is smooth, has no pores, has zero water permeability and high freezing resistance, and is suitable for high and cold areas with the temperature of 50 ℃ below zero.

6. The water outlet of the ditch body is flexibly arranged and is conveniently and safely connected with a municipal rainwater pipeline.

7. The finished product of the ditch body is installed on site, no dust exists, and the construction speed is high.

8. The material of the ditch body is resin concrete, and the bending and compression strength is more than 6 times of that of common C25 concrete. The cross section of the groove body can realize different clear widths of 100-300 mm.

9. The groove body can be matched with cover plates made of different materials, such as a cast iron cover plate, a glass reinforced plastic cover plate, a metal cover plate and the like.

Drawings

Fig. 1 is a schematic structural view of a bridge drainage ditch for collecting water between asphalt layers for the second time.

Fig. 2 is a front elevational view of the bridge gutter body of fig. 1.

Fig. 3 is a schematic structural view of the outer wall of the left side of the bridge drainage ditch body shown in fig. 1.

Fig. 4 is a cross-sectional view of the bridge drainage ditch for collecting water between asphalt layers for the second time.

Fig. 5 is a sectional view of the drainage outlet of the bridge drainage ditch for collecting water between asphalt layers for the second time.

Reference numerals:

the method comprises the following steps of 1, groove concrete pavement groove, 2, groove arch-shaped hole, 3, groove secondary asphalt layer collection water tank, 4, groove inner wall bayonet, 5, groove asphalt pavement groove, 6, groove socket tongue-and-groove connecting buckle, 7, groove cover plate, 8, drain hole, 9, bridge deck pavement, 21, asphalt layer water collection and 31, wherein the groove concrete pavement groove, the groove arch-shaped hole, the groove secondary asphalt layer collection water tank, the groove inner wall bayonet, the groove asphalt pavement groove, the groove socket tongue-and-groove connecting buckle, the groove cover.

Detailed Description

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

Referring to fig. 1 to 3, the utility model provides a secondary collects bridge escape canal of water between asphalt layer, it mainly comprises several resin concrete ditch body at length direction concatenation. According to the direction that the front end of the ditch body shown in the figures 1 and 2 extends to the rear end, the cross section of the ditch body is in a wide U shape, the left side of the cross section of the ditch body is a vertical surface, and the vertical surface is combined with a concrete pavement layer; the right side of the section of the trench body is a trapezoidal surface, the right side of the section of the trench body extends from the vertical surface of the upper half part to the inward-retracted inclined surface of the lower half part, and the trapezoidal surface on the right side is paved by combining asphalt.

The groove body concrete pavement groove 1 is formed in the outer wall of the left side of the groove body, and the groove body concrete pavement groove 1 is connected with concrete pavement. The inner wall of the left side of the groove body is provided with a groove body inner wall bayonet 4 which can be fixed with a lock catch system of the cover plate.

The right wall of the groove body is provided with a plurality of groove body arch-shaped holes 2, for example, seven arch-shaped holes are arranged, and the arch-shaped holes are jointed with the asphalt pavement surface to collect water among asphalt layers. Design arch pore structure can effectively guarantee intensity and stability, and arch pore arrangement can stagger from top to bottom, lays four arch holes above, lays three arch holes below, can evenly collect the interlayer water that different thickness layer pitch oozed.

The right wall of the ditch body is also provided with a ditch body asphalt pavement groove 5, and the ditch body asphalt pavement groove 5 is well jointed with asphalt pavement. The bottom of the inclined plane of the outer wall of the right side of the groove body is provided with a groove body secondary collection asphalt interlayer water tank 3 which is longitudinally extended and arranged, the cross section of the water tank is triangular, and after the groove body is paved, the water tank and asphalt are paved to form a triangular structure, so that water between the groove body secondary asphalt interlayer can be collected.

The front end parts of two sides of the groove body are respectively provided with a groove body socket tongue-and-groove connecting buckle 6, the rear end parts of two sides of the groove body are also respectively provided with a groove body socket tongue-and-groove connecting buckle 6, and the two groove bodies are buckled and spliced through the groove body socket tongue-and-groove connecting buckles 6 during installation. And sealant is coated when the groove body socket tongue-and-groove connecting buckles 6 of the two groove bodies are buckled and spliced.

The groove body cover plate 7 is covered and installed on the groove body, and can be a cast iron cover plate, and also can be a glass fiber reinforced plastic cover plate or a metal cover plate.

Referring to fig. 4 and 5, the utility model discloses a laying process of bridge escape canal that water between asphalt layer was collected to the secondary is as follows. In the figure, reference numeral 8 denotes a drain hole, 9 denotes a bridge deck pavement, 21 denotes a collected water between asphalt layers, and 31 denotes a secondary collected water between asphalt layers.

When the bridge deck is laid, channel steel or wood plates can be used for reserving a mounting groove of the drainage ditch. After the asphalt pavement is paved, the channel steel or the wood board is taken out, the drainage ditch installation preformed groove is cleaned, the floating soil, the oil stain and the like are removed, the net width of the preformed groove is not less than 210mm, and the finished drainage ditch body is placed at the side face of the tightly attached asphalt layer.

When the trench body is installed, a transverse line which forms an angle of 90 degrees with a curb is pulled by taking the center point of the bridge floor drain hole as a starting point, and the transverse center line of the opening of the trench body drain hole is consistent with the transverse center line of the bridge floor drain hole during installation.

The bottom of the reserved groove is leveled by 1:2 mortar, a drainage ditch body for positioning the position of the drainage hole is firstly installed, and the drainage ditch body sequentially extends towards two ends according to a construction drawing. Attention is paid to: the paving width of the mortar at the non-water outlet section is not more than the width of the bottom of the trench body, so that the effect of the natural drainage channel at the bottom of the trench body and the asphalt paving area is ensured. And the mortar is paved on the local periphery of the drain hole of the trench body, so that the effective discharge of water between secondary asphalt layers is ensured.

The standard length of the finished drainage ditch is 1 meter per section. The two ends of the groove body are provided with male and female buttons, so that the groove body can be directly placed and spliced on site during installation, and secondary waterproof sealing treatment can be performed between spliced seams.

After the ditch body and the cover plate are installed, the upper surface of the drainage ditch cover plate is ensured to be lower than asphalt pavement by 3-5mm, so that water flow is smooth after construction is finished. Gaps between the drainage ditch and the guardrails are backfilled by flexible waterproof mortar or fine aggregate concrete, and compaction treatment is carried out to meet design requirements. After the joint filling is finished, the ditch body and the cover plate are cleaned in time so as to ensure that the drainage system runs smoothly.

To sum up, the utility model discloses a bridge drainage ditch of water between asphalt layer is collected to the secondary comprises the resin concrete ditch body, and ditch body section asymmetric design, ditch body perpendicular and the surface joint of mating formation of concrete, ditch body trapezoidal face bituminous surface of mating formation, and the triangle-shaped structure groove of water between the arch structure of collecting water between the asphalt layer and collecting water between the secondary asphalt layer is collected with pitch joint side design respectively to the joint side of mating formation of ditch body, the drainage of being convenient for. The bridge drainage ditch body of the utility model is convenient to install and is firmly combined with the roadbed; the inner wall of the drainage ditch body is smooth, and the drainage effect is good.

Of course, those skilled in the art should recognize that the above-described embodiments are merely illustrative of the present invention and are not intended to be limiting, and that changes, modifications, etc. to the above-described embodiments are intended to fall within the scope of the appended claims, provided they fall within the true spirit of the present invention.

Claims

1. The utility model provides a bridge escape canal of water between asphalt layer is collected to secondary which characterized in that: the groove is formed by splicing a plurality of resin concrete groove bodies in the length direction, the section of each groove body is in a wide U shape, the left side of the section of each groove body is a vertical surface, the right side of the section of each groove body is a trapezoidal surface, and the right side of the section of each groove body extends from the vertical surface of the upper half part to the inclined surface of the lower half part which retracts inwards;

the outer wall of the left side of the ditch body is provided with a ditch body concrete pavement groove (1) which is paved and jointed with concrete, and the inner wall of the left side of the ditch body is provided with a ditch body inner wall bayonet (4);

the right wall of the groove body is provided with a groove body arch-shaped hole (2) for collecting water between asphalt layers, the right wall of the groove body is also provided with a groove body asphalt pavement groove (5) which is jointed with asphalt pavement, and the bottom of the inclined plane of the outer wall of the right side of the groove body is provided with a groove body secondary asphalt layer water collecting groove (3) which is longitudinally extended and used for collecting water between groove body secondary asphalt layers;

the front end parts of two sides of the groove body are respectively provided with a groove body socket tongue-and-groove connecting buckle (6), the rear end parts of two sides of the groove body are respectively provided with a groove body socket tongue-and-groove connecting buckle (6), and the two groove bodies are buckled and spliced through the groove body socket tongue-and-groove connecting buckles (6).

2. The bridge drainage ditch for secondary recovery of water between asphalt layers according to claim 1, which is characterized in that: and a groove body cover plate (7) is covered and installed on the groove body.

3. The bridge drainage ditch for secondary recovery of water between asphalt layers according to claim 1, which is characterized in that: and sealant is coated when the groove body socket tongue-and-groove connecting buckles (6) of the two groove bodies are buckled and spliced.