CN220705762U - Highway tunnel intercepting ditch structure with block mud structure - Google Patents

Abstract

The utility model relates to a highway tunnel intercepting ditch structure with a mud blocking structure, which comprises an intercepting ditch and a mud blocking ridge, wherein the mud blocking ridge is arranged at the bottom of the inner side of the intercepting ditch, two ends of the mud blocking ridge are seamless with the inner walls of two sides of the intercepting ditch, the mud blocking ridge is provided with a water draining hole, the water draining hole penetrates through the mud blocking ridge along the length direction of the intercepting ditch, and the distance between the water draining hole and the bottom surface of the inner side of the intercepting ditch is larger than or equal to 5cm. The mud blocking ridge is arranged at the bottom of the inner side of the intercepting ditch, so that water flow in the intercepting ditch flows through a water discharge hole of the mud blocking ridge or through the top of the mud blocking ridge, the distance between the water discharge hole and the bottom of the inner side of the intercepting ditch is larger than or equal to 5cm, the mud blocking ridge can intercept sediment or mud stones and the like in flowing water, the intercepted sediment is accumulated at the bottom or two sides of the water discharge hole, further, the fluid entering a highway drainage system through the mud blocking ridge can be smoothly discharged, excessive sediment and mud stones cannot flow into a tunnel portal pavement and a tunnel, and potential safety hazards are brought to subsequent highway operation.

Description

Highway tunnel intercepting ditch structure with block mud structure

Technical Field

The utility model relates to the technical field of a highway tunnel intercepting ditch mud blocking structure, in particular to a highway tunnel intercepting ditch structure with a mud blocking structure.

Background

With the continued development of highway tunnels, tunnel openings are sometimes inevitably located near the gullies. Because tunnel portal is located hillside slope toe department generally, and the overburden is thicker, and the catchment volume is big in the gully, along with continuous rainfall in rainy season, easily causes the mud-rock flow after a large amount of rainwater collect and wash out, carries mud-rock, branch etc. in the mud-rock flow to wash out from the tunnel intercepting ditch, gets into in the highway drainage system, blocks up the road bed escape canal and the culvert outside the portal, finally leads to the road bed escape canal drainage ability not enough mud-water to wash road surface and tunnel in.

Disclosure of Invention

The utility model aims at: aiming at the problems that drainage in a water interception ditch in the prior art is easy to carry sediment or mud stones and the like, roadbed drainage ditches and culverts are easy to be blocked, and tunnel operation safety is affected, the highway tunnel water interception ditch structure with the mud blocking structure is provided.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a highway tunnel intercepting ditch structure with block mud structure, includes intercepting ditch and blocking mud bank, block mud bank set up in intercepting ditch inboard bottom, block mud bank both ends with intercepting ditch both sides inner wall is seamless, block mud bank is equipped with the spillway hole, the spillway hole is followed intercepting ditch length direction runs through block mud bank, the spillway hole with interval between the inboard bottom surface of intercepting ditch is greater than or equal to 5cm.

The highway tunnel intercepting ditch structure with block mud structure is through setting up the blocking mud bank in the inboard bottom of intercepting ditch for rivers in the intercepting ditch flow through from the spillway hole of blocking mud bank or from blocking mud bank's top, and the spillway hole with interval between the inboard bottom surface of intercepting ditch is greater than or equal to 5cm, makes blocking mud bank can intercept silt or the mud stone etc. in the flowing water, and the silt after the interception is piled up in the bottom or the both sides of spillway hole, and then guarantees that the fluid that gets into in the highway drainage system through blocking mud bank can discharge smoothly, does not so much silt and mud stone gush into tunnel portal road surface and hole in, brings the security hidden danger for follow-up highway operation. When the sediment and the mud-rock of the mud blocking ridge are excessively accumulated, maintenance personnel can clean the mud-rock blocking ridge, and the water discharge hole cannot be blocked.

Preferably, the distance between the drain hole and the inner bottom surface of the intercepting ditch is 5cm-20cm.

The larger the interval between the water discharge hole and the inner bottom surface of the water interception ditch is, the more sediment and mud stones can be accumulated, the cleaning period of maintenance personnel can be reduced, but when the water quantity is small, accumulated water cannot be discharged, so that more accumulated water always exists in the water interception ditch, and the safety of the structure is not facilitated; the interval between the drain hole and the inner bottom surface of the intercepting ditch is 5cm-20cm, so that the material cost and the construction cost can be reduced, and the maintenance cost and the structure safety can be balanced.

Preferably, three water draining holes are formed along the width direction of the intercepting ditch, the three water draining holes are positioned at the two ends and the middle part of the mud blocking ridge, the water draining effect is good, and basically only water flow can smoothly flow downwards through the intercepting ditch after the combined sand settling effect of the intercepting ditch and the mud blocking ridge is ensured.

Preferably, the water draining hole is rectangular in cross section, the side length of the cross section of the water draining hole is 45cm-55cm, construction is simple, and the water draining effect is good.

Preferably, the water passing groove is arranged in the middle of the upper part of the mud blocking ridge, the opening of the water passing groove is upward, two side walls of the water passing groove are obliquely arranged, the width of the notch of the water passing groove is larger than the width of the bottom of the water passing groove, and when the water quantity in the water intercepting groove is large, the overflow quantity is increased, and the water intercepting groove is more attractive.

Preferably, a slag blocking structure is arranged on the upper side of the mud blocking ridge, and is positioned on the inner side of the intercepting ditch, so that the slag blocking structure can intercept forks, stones and the like with larger volumes in the mud flow in advance, and the blocking of the larger forks, stones and the like on the mud blocking ridge is avoided; meanwhile, the flow velocity of flowing water can be reduced, the possibility that the flowing water rushes out of the water intercepting ditch is reduced, the tunnel portal is prevented from being flushed, and the safety of the subsequent highway operation is ensured.

Preferably, the slag blocking structure comprises a plurality of stand columns which are distributed at intervals, the structure is simple, the construction is convenient, the crotch with larger volume and the like can be well intercepted, and water flow blockage is not easy to form after the crotch is intercepted.

Preferably, the upright posts are square posts, so that crotch, stone blocks and the like with larger volumes are easier to intercept.

Preferably, the square column is a reinforced concrete member, and the square column is internally provided with reinforcing steel bars along the height direction of the square column, so that the square column has strong impact resistance.

Preferably, the square columns are longitudinally arranged in rows along the length direction of the intercepting ditch;

along the width direction of the intercepting ditch, the square columns are transversely arranged in rows, the distance between the adjacent square columns of the transverse lines is 45cm-55cm, and most of crotch, stone and the like can be effectively filtered.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. according to the highway tunnel intercepting ditch structure with the mud blocking structure, the mud blocking ridge is arranged at the bottom of the inner side of the intercepting ditch, so that water flow in the intercepting ditch flows through the water discharge holes of the mud blocking ridge or through the top of the mud blocking ridge, the distance between the water discharge holes and the bottom of the inner side of the intercepting ditch is larger than or equal to 5cm, mud in flowing water or mud stones and the like can be intercepted by the mud blocking ridge, the intercepted mud is accumulated at the bottom or two sides of the water discharge holes, further, smooth discharge of fluid entering a highway drainage system through the mud blocking ridge is ensured, and excessive mud and mud stones cannot flow into tunnel portal roads and holes, so that potential safety hazards are brought to subsequent highway operation.

2. The highway tunnel intercepting ditch structure with the mud blocking structure has the advantages of low construction cost, simple construction method and no need of additional equipment of construction machinery; the system can effectively intercept impurities such as sediment, stones and branches entrained in water flow in a tunnel intercepting ditch, and avoid blockage of a highway drainage system; the effect of slowing down the water flow velocity can also be mentioned, the entrance to a cave is avoided being erodeed, the security of follow-up highway operation has been guaranteed.

Drawings

FIG. 1 is a schematic view of a highway tunnel intercepting ditch structure with a mud blocking structure according to the first embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of a portion of the circle of FIG. 1;

FIG. 3 is a schematic structural view of a mud sill;

FIG. 4 is a schematic diagram of a highway tunnel intercepting ditch structure with a mud blocking structure according to the second embodiment of the present utility model;

fig. 5 is a schematic view of the lateral arrangement of the square column of fig. 4.

Icon: 1-intercepting ditches; 2-a mud blocking bank; 21-a water passing groove; 3-a water discharge hole; 4-square columns.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1

The embodiment provides a highway tunnel intercepting ditch structure with block mud structure, see fig. 1-3, including intercepting ditch 1 and blocking mud bank 2, blocking mud bank 2 set up in intercepting ditch 1 inboard bottom, blocking mud bank 2 both ends with intercepting ditch 1 both sides inner wall is seamless, blocking mud bank 2 is equipped with water drain 3, water drain 3 follows intercepting ditch 1 length direction runs through blocking mud bank 2, water drain 3 with interval between the inboard bottom surface of intercepting ditch 1 is greater than or equal to 5cm.

In this embodiment, the intercepting ditch is an existing structure, including a ditch bottom and two side walls, and in general, concrete pouring is adopted for the intercepting ditch, the size of the intercepting ditch should be estimated according to the water collecting flow in the flushing ditch, when the intercepting ditch is used for a highway tunnel portal, the size of the intercepting ditch is not less than 2m x 2m, and C20 concrete pouring is generally adopted. And the lower end of the intercepting ditch is connected with a highway drainage system at the tunnel portal, and the highway drainage system generally refers to drainage side ditches at two sides of a highway.

In this embodiment, by arranging the water stop ridge 2 at the bottom of the inner side of the intercepting ditch 1, the water in the intercepting ditch flows through the water discharge hole 3 of the water stop ridge 2 or through the top of the water stop ridge 2, as shown in fig. 1, the single-side arrow shows the water flow direction, that is, the flowing water flows downwards from top to bottom, when passing through the water stop ridge 2, the sediment or the mud stone in the flowing water is intercepted by the water stop ridge 2, the water discharge hole 3 of the water stop ridge 2 or through the top of the water stop ridge 2, and the distance between the water discharge hole 3 and the bottom surface of the inner side of the intercepting ditch 1 is greater than or equal to 5cm, as shown in fig. 3, the intercepted sediment is piled up at the bottom or at two sides of the water discharge hole, so as to ensure that the fluid entering the highway drainage system through the water stop ridge 2 can be smoothly discharged, so that excessive sediment and mud stone can not rush into the tunnel portal pavement and the tunnel, and the hidden danger can bring safety to the following highway operation. And when silt and mud-rock of blocking the mud bank 2 pile up too much, there is maintainer to clear up, can not block up the water discharge hole 3.

In this embodiment, as shown in fig. 3, the larger the distance between the drain hole 3 and the bottom surface of the inner side of the intercepting ditch 1, the more silt and mud stones can be accumulated, so that the cleaning period of maintenance personnel can be reduced, but when the water quantity is small, accumulated water cannot be discharged, so that more accumulated water always exists in the intercepting ditch, and the structure safety is not facilitated; the distance between the water discharge hole 3 and the bottom surface of the inner side of the water intercepting ditch 1 is 5cm-20cm, so that the material cost and the construction cost can be reduced, and the maintenance cost and the structure safety can be balanced.

And three water discharge holes 3 are formed along the width direction of the intercepting ditch 1, the three water discharge holes 3 are positioned at the two ends and the middle part of the mud blocking ridge 2, the water discharge effect is good, and basically only water flows can smoothly flow downwards through the intercepting ditch after the combined sand settling effect of the intercepting ditch and the mud blocking ridge is ensured. In this embodiment, the mud blocking ridge may be a concrete structure, and may be poured together with the intercepting ditch, and the drain hole may be reserved when the mud blocking ridge is poured, which may, of course, also be drilled in a later stage. The shape of the drain hole may be circular, rectangular, square, etc. As a preferred embodiment, the drain hole 3 is a rectangular cross section, the side length of the cross section of the drain hole 3 is 45cm-55cm, the construction is simple, and the drainage effect is good, for example, the drain hole 3 is a square hole, and the side length of the drain hole is 55cm x 55cm.

As shown in fig. 3, the middle of the upper portion of the mud blocking ridge 2 is further provided with a water passing groove 21, the opening of the water passing groove 21 is upward, two side walls of the water passing groove 21 are obliquely arranged, the width of the notch of the water passing groove 21 is larger than the width of the bottom of the water passing groove 21, the shape that the opening is enlarged upward is formed, the overflow amount is increased when the water amount in the water intercepting ditch is large, and the water intercepting ditch is more attractive.

In the drainage process of the intercepting ditch, besides sediment and small mud stones, branches and large mud stones can exist in the flowing water, and the branches and the large mud stones are easy to fill up the mud blocking ridge, so that the mud blocking ridge is blocked. In this embodiment, a slag blocking structure may be further disposed on the upper side of the mud blocking ridge 2, where the slag blocking structure is located inside the intercepting ditch 1, and the slag blocking structure may intercept a crotch, a stone block, etc. with a larger volume in the mud flow in advance, so as to avoid the blockage of the larger crotch, stone block, etc. at the mud blocking ridge; meanwhile, the flow velocity of flowing water can be reduced, the possibility that the flowing water rushes out of the water intercepting ditch is reduced, the tunnel portal is prevented from being flushed, and the safety of the subsequent highway operation is ensured. The slag blocking structure may be a column, a net structure, or the like, but the net structure can intercept branches and the like, but easily blocks at the slag blocking junction.

As a preferred embodiment, the slag blocking structure comprises a plurality of stand columns which are distributed at intervals, the structure is simple, the construction is convenient, the crotch with larger volume and the like can be well intercepted, and water flow blockage is not easy to form after the crotch is intercepted. The slag blocking structure can be randomly arranged in the intercepting ditch, because the branches have randomness following the flowing water. The stand can be cylinder, rectangle post etc. in this embodiment, the stand is square post 4, compares in the cylinder, and it has the edges and corners, and the greater crotch of easier interception volume, stone etc. and construction is more convenient. In this embodiment, the square column 4 may be a reinforced concrete member, and compared with other materials, the square column 4 has steel bars along its height direction, and has strong impact resistance and high durability.

As another embodiment, as shown in fig. 4 and 5, the square columns 4 are longitudinally aligned along the length direction of the intercepting ditches 1;

along the width direction of the intercepting ditch 1, the square columns 4 are transversely arranged in rows, the distance between every two adjacent square columns 4 of transverse lines is 45cm-55cm, for example, the distance is 50cm, and most of branches, stones and the like can be effectively filtered, so that the randomness of the branches following the flowing water can be dealt with.

In the highway tunnel intercepting ditch structure with the mud blocking structure, the mud blocking ridge is arranged in the tunnel intercepting ditch and is used for blocking large solid particles such as sediment, stones and the like in mud-rock flow; 3 water discharge holes are arranged in the mud blocking ridge, so that only water flow can smoothly flow downwards through the water intercepting ditch after the combined sand settling effect of the water intercepting ditch and the mud blocking ridge; the square columns can be randomly arranged in the intercepting ditches of the tunnels, are positioned at the upstream of the mud blocking ridge, and are used for intercepting the crotch and the stone with larger volume in the mud-rock flow in advance, and meanwhile, the flowing water flow rate can be reduced. The construction cost is low, the construction method is simple, and no additional construction machinery is needed; the system can effectively intercept impurities such as sediment, stones and branches entrained in water flow in a tunnel intercepting ditch, and avoid blockage of a highway drainage system; besides the functions, the device can also play a role in slowing down the flow speed of water flow, avoid the flushing of the hole and ensure the safety of the subsequent highway operation. The mud-rock drainage system can filter out mud-rock and other solids in mud-rock flow, ensure that fluid entering a highway drainage system can be smoothly discharged, and avoid the phenomenon that the fluid flows into a tunnel portal pavement and a tunnel to bring potential safety hazards to subsequent highway operation. The embodiment can be applied to the ditch or in the tunnel intercepting ditch of the bigger department of catchment, debris such as silt, stone and branch that can effectively filter in the ditch entering in the rain season ditch catchment process prevent that it from getting into the road bed drainage system, finally lead to the road bed drainage ditch drainage capacity not enough muddy water to dash road surface and tunnel in.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a highway tunnel intercepting ditch structure with block mud structure, its characterized in that includes intercepting ditch (1) and blocks mud bank (2), block mud bank (2) set up in intercepting ditch (1) inboard bottom, block mud bank (2) both ends with intercepting ditch (1) both sides inner wall is seamless, block mud bank (2) are equipped with wash port (3), wash port (3) are followed intercepting ditch (1) length direction runs through block mud bank (2), wash port (3) with interval between the inboard bottom surface of intercepting ditch (1) is greater than or equal to 5cm.

2. Highway tunnel intercepting ditch construction with mud blocking structure according to claim 1, characterized in that the distance between the drain hole (3) and the inner bottom surface of the intercepting ditch (1) is 5cm-20cm.

3. The highway tunnel intercepting ditch structure with a mud blocking structure according to claim 1, wherein three water draining holes (3) are arranged along the width direction of the intercepting ditch (1), and the three water draining holes (3) are positioned at two ends and the middle part of the mud blocking ridge (2).

4. Highway tunnel intercepting ditch construction with mud blocking structure according to claim 1, characterized in that the drain hole (3) is rectangular in cross section, the side length of the cross section of the drain hole (3) is 45cm-55cm.

5. The highway tunnel intercepting ditch structure with the mud blocking structure according to claim 1, wherein a water passing groove (21) is arranged in the middle of the upper part of the mud blocking ridge (2), an opening of the water passing groove (21) is upward, two side walls of the water passing groove (21) are obliquely arranged, and the notch width of the water passing groove (21) is larger than the groove bottom width of the water passing groove (21).

6. The highway tunnel intercepting ditch structure with a mud blocking structure according to any one of claims 1-5, wherein the upper side of the mud blocking ridge (2) is provided with a slag blocking structure, and the slag blocking structure is positioned inside the intercepting ditch (1).

7. The highway tunnel intercepting ditch structure with mud blocking structure according to claim 6, wherein said slag blocking structure comprises a plurality of columns which are distributed at intervals.

8. Highway tunnel intercepting ditch construction with mud blocking structure according to claim 7, characterized in that the upright is a square column (4).

9. Highway tunnel intercepting ditch construction with mud blocking structure according to claim 8, characterized in that the square column (4) is a reinforced concrete member, the square column (4) having steel bars in its height direction inside.

10. Highway tunnel intercepting ditch construction with mud blocking structure according to claim 9, characterized in that the square columns (4) are longitudinally aligned along the length direction of the intercepting ditch (1);

along the width direction of the intercepting ditch (1), the square columns (4) are transversely arranged in rows, and the distance between every two adjacent square columns (4) of the transverse line is 45cm-55cm.