Roadbed drainage blind ditch gravel filling diversion trench

Abstract

The utility model relates to the technical field of diversion trenches, and discloses a roadbed drainage blind ditch gravel filling diversion trench which comprises geotechnical cloth, a supporting filter frame used for bearing filling gravel and maintaining the tensioning state of the geotechnical cloth during construction is arranged in the geotechnical cloth in a sleeved mode, and a cover plate capable of being opened and closed is rotationally installed at the top of the supporting filter frame through a hinge. A butt-joint frame responsible for butt-joint installation and a supporting corner bracket used for improving the compressive strength are fixedly installed in the geotechnical cloth. According to the roadbed drainage blind ditch gravel filling diversion trench, the supporting filter frames are filled with gravel, under the cooperation of the supporting filter frames and the edge partition plates, the gravel can be prevented from being lost, it can be guaranteed that the gravel is evenly laid, meanwhile, the gravel cannot directly press the geotechnical cloth, the geotechnical cloth is kept in a tensioned state through direct contact between the supporting filter frames and the geotechnical cloth, and the roadbed drainage blind ditch gravel filling diversion trench is formed. The supporting filter frame can be uniformly wrapped with the particles, wrinkles caused by pressing of the broken stones are avoided, and the state that fine-particle soil intrudes is avoided.

Description

Technical Field

[0001] This utility model relates to the field of drainage channel technology, specifically a roadbed drainage blind ditch filled with crushed stone. Background Technology

[0002] The roadbed drainage blind ditch filled with gravel is an underground concealed drainage structure set in key locations of the roadbed (such as the toe of the slope, the bottom of the ditch, and behind the wall). It can efficiently collect and remove groundwater, such as water that quickly seeps into the roadbed or behind the retaining wall, spring water, capillary water, etc., and form a "low-pressure zone" where needed, so as to promote the flow of surrounding water into the blind ditch, reduce the groundwater level in the roadbed area, and effectively prevent problems such as softening of the roadbed due to water immersion, frost heave, landslides, and excessive water pressure on the back of the retaining wall.

[0003] In existing technologies, when constructing a drainage ditch, a long, rectangular trench with a regular shape (trapezoidal / rectangular) is first excavated on the ground or under the roadbed. To prevent fine soil particles from entering and clogging the gaps in the gravel, a geotextile is laid inside the trench before filling it with gravel. A permeable pipe is placed inside the geotextile, and the trench is filled with clean gravel that meets the requirements. After the gravel filling is completed, the geotextile is covered and the original soil is backfilled. However, in actual construction, the gravel often compresses the geotextile during filling, causing it to shift and form wrinkles. These wrinkled areas are prone to fine soil intrusion, leading to gravel blockage. Therefore, it is necessary to improve the roadbed drainage blind ditch gravel-filled drainage ditch to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a roadbed drainage blind ditch filled with crushed stone to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a roadbed drainage blind ditch filled with crushed stone, comprising a geotextile, wherein a supporting filter frame is sleeved inside the geotextile for bearing the filled crushed stone and maintaining the geotextile tension during construction, and an openable cover plate is rotatably installed on the top of the supporting filter frame via a hinge, a docking frame for docking installation and a supporting corner frame for improving compressive strength are fixedly installed inside the geotextile, a permeable pipe is tightly fitted inside the supporting corner frame, a bolt and nut assembly for fixing the various components is provided through the inside of the supporting corner frame, and an edge partition is provided outside the bolt and nut assembly to prevent crushed stone loss.

[0006] Preferably, there are two docking frames, and the two docking frames are symmetrically distributed at the edge of the supporting filter frame.

[0007] Preferably, a hole is provided at the corresponding position of the docking frame and the bolt and nut assembly, and the bolt and nut assembly slides through the hole provided inside the docking frame.

[0008] Preferably, a hole is provided at the corresponding position of the edge partition and the bolt and nut assembly, and the bolt and nut assembly slides through the hole provided inside the edge partition.

[0009] Preferably, the interior of the supporting filter frame, the cover plate, and the edge partition are all provided with water filtering holes, and the diameter of the water filtering holes inside the supporting filter frame, the cover plate, and the edge partition is smaller than the diameter of the gravel.

[0010] Preferably, the filter holes inside the supporting filter frame, cover plate and edge partition are circular in shape, and their total area accounts for 30%-45% of the surface area of ​​the component.

[0011] Preferably, the supporting corner frame is composed of intersecting reinforcing ribs, and the supporting corner frame is evenly distributed inside the supporting filter frame.

[0012] Compared with the prior art, this utility model provides a roadbed drainage blind ditch filled with gravel and has the following beneficial effects:

[0013] 1. The gravel-filled diversion channel of this roadbed drainage blind ditch, through the supporting filter frame fitted inside the geotextile, allows gravel to be filled into the interior of the supporting filter frame during use. With the cooperation of the supporting filter frame and the edge partition, it can prevent gravel loss and ensure that the gravel is evenly spread. At the same time, the gravel does not directly compress the geotextile. The geotextile is kept taut by the direct contact between the supporting filter frame and the geotextile, which can make it evenly wrapped around the outside of the supporting filter frame. It will not wrinkle due to the pressure of the gravel, avoid the intrusion of fine soil particles, and prevent gravel blockage.

[0014] 2. The gravel-filled diversion channel of the roadbed drainage blind ditch, through the modular assembly of the support filter frame, can be installed by using the set docking frame and bolt and nut combination to connect and install the support filter frame with the support filter frame during use. It can be disassembled and transported to the site and then assembled into a whole, which is convenient for transportation. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1This is a schematic diagram of the appearance and structure of this utility model;

[0017] Figure 2 This is a cross-sectional view of the external structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the supporting filter frame and its connection structure of the present invention;

[0019] Figure 4 This is an exploded view of the edge partition and its connection structure of the present invention.

[0020] In the diagram: 1. Geotextile; 2. Supporting filter frame; 3. Cover plate; 4. Connecting frame; 5. Supporting corner frame; 6. Permeable pipe; 7. Bolt and nut assembly; 8. Edge partition. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0023] Example:

[0024] Please see Figure 1-4 This utility model provides a technical solution: a roadbed drainage blind ditch filled with crushed stone and a diversion channel, including a geotextile 1. The geotextile 1 is internally fitted with a support filter frame 2 for bearing the filled crushed stone and maintaining the tension of the geotextile 1 during construction. The top of the support filter frame 2 is rotatably mounted with an openable cover plate 3 via a hinge. The geotextile 1 is internally fixedly fitted with a docking frame 4 for docking installation and a support bracket 5 for improving compressive strength. A permeable pipe 6 is tightly fitted inside the support bracket 5. A bolt and nut assembly 7 for fixing the components is installed through the support bracket 5. An edge partition 8 is provided on the outside of the bolt and nut assembly 7 to prevent the crushed stone from being lost.

[0025] Furthermore, there are two docking frames 4, which are symmetrically distributed on the edge of the supporting filter frame 2. With the symmetrically distributed docking frames 4, modular assembly between multiple supporting filter frames 2 can be carried out, and edge partitions 8 can be installed on the outside of the supporting filter frame 2 at the edge to prevent the loss of gravel.

[0026] Furthermore, holes are provided at the corresponding positions of the docking frame 4 and the bolt and nut assembly 7, and the bolt and nut assembly 7 slides through the holes provided inside the docking frame 4. By using the bolt and nut assembly 7, the support filter frame 2 can be modularly docked and assembled with the support filter frame 2 through the fastening connection between the docking frames 4 and the support filter frame 2.

[0027] Furthermore, holes are provided at the corresponding positions of the edge partition 8 and the bolt and nut assembly 7, and the bolt and nut assembly 7 slides through the holes provided inside the edge partition 8. The edge partition 8 and the docking frame 4 are installed by the bolt and nut assembly 7, which can seal and block the edge support filter frame 2.

[0028] Furthermore, the interior of the supporting filter frame 2, the cover plate 3, and the edge partition 8 are all provided with water filtering holes, and the diameter of the water filtering holes in the supporting filter frame 2, the cover plate 3, and the edge partition 8 is smaller than the diameter of the gravel. By using the water filtering holes, seepage water can enter the interior of the supporting filter frame 2 and then be discharged, while preventing the gravel from falling off.

[0029] Furthermore, the filter holes inside the supporting filter frame 2, cover plate 3 and edge partition plate 8 are circular in shape, and their total area accounts for 30%-45% of the surface area of ​​the component. This ensures that water can penetrate into the interior of the supporting filter frame 2, while preventing water loss due to excessive filter holes.

[0030] Furthermore, the supporting corner frame 5 is composed of intersecting reinforcing ribs, and the supporting corner frame 5 is evenly distributed inside the supporting filter frame 2, which improves the structural stability of the supporting filter frame 2 buried inside the trench.

[0031] In actual operation, when this device is used, a diversion channel is first excavated on the ground. After the diversion channel is excavated and has a regular shape, geotextile 1 is laid inside the diversion channel, so that it is evenly spread and covers the inside of the diversion channel. Then, the support filter frame 2 is placed inside the geotextile 1. The support filter frame 2 is then fastened by bolt and nut combination 7 through the connection between the connecting frames 4. The modular installation between the support filter frames 2 is completed. After all the support filter frames 2 are installed, the edge partition 8 is installed on the outermost side of the support filter frame 2 through bolt and nut combination 7 to block the two ends of the support filter frame 2. At this time, the permeable pipe 6 is placed at the intersection of the support bracket 5, and the excavator is used to fill the gravel. After the filling is completed, the cover plate 3 is covered, and the geotextile 1 extending from both sides is covered on the top of the cover plate 3, and the original soil is backfilled.

[0032] It should be noted that the actual lengths of the geotextile 1 and the permeable pipe 6 are not equal to the lengths shown in the attached drawings. The actual lengths are matched according to the length of the excavated diversion channel, and the length of the geotextile 1 needs to be greater than the actual length of the diversion channel in order to cover the outer side of the edge partition 8.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A roadbed drainage blind ditch filled with gravel and a diversion channel, comprising geotextile (1), characterized in that: The geotextile (1) is fitted with a support filter frame (2) inside for bearing the filled gravel and maintaining the tension of the geotextile (1) during construction. The top of the support filter frame (2) is fitted with an openable cover plate (3) by a hinge. The geotextile (1) is fixedly fitted with a docking frame (4) for docking installation and a support bracket (5) for improving compressive strength. A permeable pipe (6) is tightly fitted on the inner side of the support bracket (5). A bolt and nut assembly (7) for fixing each component is installed through the inside of the support bracket (5). An edge partition (8) is provided on the outside of the bolt and nut assembly (7) to prevent gravel loss.

2. The roadbed drainage blind ditch filled with crushed stone and diverting channel according to claim 1, characterized in that: There are two docking frames (4), and the two docking frames (4) are symmetrically distributed at the edge of the supporting filter frame (2).

3. The roadbed drainage blind ditch filled with crushed stone and diverting channel according to claim 1, characterized in that: Holes are provided at the corresponding positions of the docking frame (4) and the bolt and nut assembly (7), and the bolt and nut assembly (7) slides through the holes provided inside the docking frame (4).

4. A roadbed drainage blind ditch filled with crushed stone as described in claim 1, characterized in that: Holes are provided at the corresponding positions of the edge partition (8) and the bolt and nut assembly (7), and the bolt and nut assembly (7) slides through the holes provided inside the edge partition (8).

5. A roadbed drainage blind ditch filled with crushed stone as described in claim 1, characterized in that: The interior of the supporting filter frame (2), the cover plate (3) and the edge partition (8) are all provided with water filtering holes, and the diameter of the water filtering holes inside the supporting filter frame (2), the cover plate (3) and the edge partition (8) is smaller than the diameter of the gravel.

6. A roadbed drainage blind ditch filled with crushed stone as described in claim 1, characterized in that: The filter holes inside the supporting filter frame (2), cover plate (3) and edge partition (8) are circular in shape, and their total area accounts for 30%-45% of the surface area of ​​the component.

7. A roadbed drainage blind ditch filled with crushed stone as described in claim 1, characterized in that: The supporting bracket (5) is composed of intersecting reinforcing ribs, and the supporting bracket (5) is evenly distributed inside the supporting filter frame (2).

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