A bagged sand pack with openable planting window

Abstract

The utility model relates to a bagged sand filling bag with openable planting window, including bag body and slide fastener, the bag body is the bag body shape of four around closed inside hollow, the bag body horizontal laying uses, the center of the one -sided bag body of going up of planting window is equipped with, is provided with the inner layer cloth in the planting window, the inner layer cloth is connected with the four around bag body of planting window suture, the outer layer cloth is connected with in the planting window through the slide fastener, and the outer layer cloth is located the outside surface of inner layer cloth, the bag body is equipped with a plurality of dredged sand filling mouths and a plurality of drainage outlets on the outside surface of horizontal four around, and the dredged sand filling mouth and drainage outlet all with bag body inside through -going, the utility model discloses the realization ecological aesthetic property and bagged sand filling bag anti -aging ability promotion through turf planting.

Description

Technical Field

[0001] This utility model relates to a bagged sand filling bag with an openable planting window, belonging to the technical field of riverbank protection in river engineering. Background Technology

[0002] Dredging projects in rivers, waterways, and wharves generate large amounts of dredged sand waste. Disposing of this waste by dumping it onto the water not only turbidifies the river water and affects water quality but also results in significant resource waste. Bagged sand pillows, on the other hand, utilize dredged sand directly as filling material, making it readily available and effectively reducing resource waste. Furthermore, bagged sand pillows are widely used in riverbank protection and embankment protection projects due to their strong adaptability to soft soil foundations, structural stability, fast construction speed, and low cost. However, after construction, the exposed surface of the sand pillow bags is susceptible to aging and cracking from prolonged exposure to sunlight. Additionally, the lack of vegetation cover results in limited ecological function and poor aesthetics.

[0003] Dredged soil itself has a high organic matter content, making it suitable for turf planting. Therefore, this utility model discloses a bagged sand filling bag with an openable planting window, which achieves both ecological aesthetics and improved anti-aging ability of the bagged sand filling bag through turf planting. Summary of the Invention

[0004] To address the aforementioned problems, this utility model discloses a bagged sand filling bag with an openable planting window, the specific technical solution of which is as follows: A bag-filled sand bag with an openable planting window includes a bag body (1) and a zipper (3). The bag body (1) is a hollow bag with closed sides. The bag body (1) is laid horizontally. A planting window (4) is opened in the center of the upper side of the bag body (1). An inner layer of cloth (8) is provided inside the planting window (4). The inner layer of cloth (8) is sewn to the bag body (1) around the planting window (4). An outer layer of cloth is connected to the planting window (4) through the zipper (3). The outer layer of cloth is located on the outer side of the inner layer of cloth. The outer side of the bag body (1) facing the horizontal direction has several dredged sand filling ports (6) and several drainage ports (7). The dredged sand filling ports (6) and drainage ports (7) are connected to the inside of the bag body (1). The inside of the drainage port (7) and the bag body (1) is provided with a filter cloth (9) that blocks the drainage port (7).

[0005] Furthermore, the main body of the bag (1) is rectangular in shape, and the planting window (4) is rectangular, with the same length-to-width ratio as the rectangular surface of the main body of the bag (1) facing upwards.

[0006] Furthermore, one of the two chain straps of the zipper (3) is sewn around the inner circle of the planting window (4), and the other is sewn around the outer layer of fabric. The zipper pull of the zipper (3) is located on the chain strap sewn onto the outer layer of fabric.

[0007] Furthermore, there are two drain outlets (7), which are respectively located at both ends of the bag body (1) along its length. Several of the dredged sand filling ports (6) are located on the same side of the main body of the bag (1).

[0008] Furthermore, the filter cloth (9) is selected from water-filtering geotextile, and the pores of the water-filtering geotextile are larger than the pores of the bag body (1).

[0009] Furthermore, there are three dredged sand filling ports (6), located at both ends and the middle of the main body of the bag (1) along its length.

[0010] Furthermore, the main body of the bag (1) is made of ultra-fine porous polypropylene (PP) geotextile with a unit area mass of 320~500g / m². 2 The equivalent pore size is 0.08~0.12mm, and the vertical permeability coefficient is >10. -4 cm / s, longitudinal tensile strength ≥40kN / m, transverse tensile strength ≥32kN / m, bursting strength ≥0.5kg / cm 2 .

[0011] Furthermore, the inner layer fabric (8) is a medium-pore polypropylene (PP) geotextile with a unit area mass of 100~200g / m². 2 The equivalent pore size is 0.8~2.3mm, and the vertical permeability coefficient is >10. -1 cm / s, longitudinal tensile strength ≥20kN / m, transverse tensile strength ≥16kN / m, bursting strength ≥0.1kg / cm 2 .

[0012] Furthermore, the inner layer fabric (8) and the main body of the bag (1) around the planting window (4) are sewn together with high-strength polypropylene (PP) with a diameter of 0.5~0.8mm and a sewing width of 8~10cm, to meet the filling pressure of 0.33kg / cm. 2 Without tearing at the seam, the width of the planting window fabric extending outward from the seam is D=0.5×△h, where △h is the average daily water level difference of the river channel protected by bagged sand pillows.

[0013] Furthermore, the zipper (3) is a waterproof zipper with a polyvinyl chloride (PVC) coating. When the dredged sand is filled, fine particles of mud and sand cannot seep out through the zipper (3).

[0014] The working principle of this utility model is as follows: Secure the outer layer of fabric to the main body of the bag with a zipper. Fill the bag with dredged sand from the filling port towards the main body. Since the dredged sand has a very high water content, drainage outlets are set on both sides of the main body of the bag to accelerate drainage. After the main body of the bag is basically filled with sand, tighten the drainage outlets and continue filling until the main body of the bag is completely filled with dredged sand. Tighten all the filling ports of the dredged sand and lay the dredged sand-filled bag flat on the riverbank or embankment protection area with the planting window facing upwards. Loosen the zipper, remove the outer layer of fabric, and scatter grass seeds on the inner layer of fabric. The grass seeds will take root and sprout and grow inside the planting window to form a landscape belt.

[0015] When floods occur, the outer layer of fabric can be secured to the planting window via a zipper, covering both the grass and the planting window to prevent water from washing away the dredged sand inside. Furthermore, once the planting window is closed with the outer layer of fabric, a double-layer structure is formed, further enhancing the erosion and tensile strength of the bagged sand filling bag.

[0016] The beneficial effects of this utility model are: (1) Ecological aesthetics: After the turf is covered, it forms an ecological bank protection, which is in harmony with the surrounding environment and significantly improves the visual effect.

[0017] (2) Anti-aging ability: The turf covering reduces the amount of ultraviolet radiation on the bag and extends the material life.

[0018] (3) Functional synergy: Turf roots stabilize the soil, enhance erosion resistance, and reduce soil erosion. Attached Figure Description

[0019] Figure 1 This is a top view of the structure of this utility model. List of reference numerals in the attached diagram: 1—Main body of the bag, 2—Seam, 3—Zipper, 4—Planting window, 5—Grass body, 6—Dredging sand filling port, 7—Drainage outlet, 8—Inner layer cloth, 9—Filter cloth. Detailed Implementation

[0020] The present invention will be further illustrated below with reference to the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention.

[0021] Combined with appendix Figure 1 As can be seen, the overall structure of the bag body 1 of this utility model is a tubular structure. When laid flat on the usage area, they are arranged neatly and closely together to form a covering layer. The planting window 4 is opened on the upward side of the bag body 1 and is rectangular in shape. The length and width ratio of the rectangle is consistent with the rectangle of the upward side of the bag body 1, so as to make full use of the surface area of ​​the upward side of the bag body 1 for planting vegetation or grass 5.

[0022] The main body of the bag 1 is made of ultra-fine porous polypropylene (PP) woven geotextile with a unit area mass of 320~500g / m².2 The equivalent pore size is 0.08~0.12mm, and the vertical permeability coefficient is >10. -4 cm / s, longitudinal tensile strength ≥40kN / m, transverse tensile strength ≥32kN / m, bursting strength ≥0.5kg / cm 2 This material has good permeability, can intercept small dredged sand particles, and meets the impact resistance requirements of the bag body. Therefore, when filling with dredged sand, the outer layer of fabric is connected to the main body 1 of the bag body around the planting window 4 via zippers 3. The material of the outer layer of fabric is the same as that of the main body 1 of the bag body to prevent the loss of fine dredged sand particles. However, due to the small pore size of the main body 1 of the bag body and the outer layer of fabric of the planting window, grass seeds have difficulty penetrating.

[0023] To ensure that the grass seeds can take root inside the main body 1 of the bag, an inner layer of fabric 8 is laid inside the planting window 4. The inner layer of fabric 8 is made of medium-pore polypropylene (PP) needle-punched geotextile with a unit area mass of 100~200g / m². 2 The equivalent pore size is 0.8~2.3mm, and the vertical permeability coefficient is >10. -1 cm / s, longitudinal tensile strength ≥20kN / m, transverse tensile strength ≥16kN / m, bursting strength ≥0.1kg / cm 2 The inner layer of fabric has a larger pore size than the outer layer, allowing grass seeds and roots to penetrate. It also offers better water and light permeability than the outer layer, making it suitable for planting turf / grass body 5. Grass body 5 uses drought-resistant and erosion-resistant grass species (such as bermudagrass and tall fescue). After turf coverage, a green vegetation layer is formed, providing erosion resistance, creating an ecological bank protection that harmonizes with the surrounding environment and enhances the landscape effect. As the turf grows, it forms a natural shade layer (coverage ≥80%), reducing direct sunlight on the bag surface and mitigating material aging caused by ultraviolet radiation.

[0024] The inner layer fabric 8 is sewn to the main body 1 of the bag around the planting window 4 to form a seam 2. The seam 2 is made of high-strength polypropylene (PP) with a diameter of 0.5~0.8mm and a seam width of 8~10cm to meet the filling pressure of 0.33kg / cm. 2 To prevent seam tearing, the width of the planting window fabric extending outward from the seam is D=0.5×△h, where △h is the average daily water level difference of the river channel protected by the bagged sand pillow, preventing the planting window from separating from the main body of the bag 1 under the force of water flow.

[0025] When planting turf or greenery, open the zipper, remove the outer layer of fabric from planting window 4 to expose the inner layer of fabric, and sow grass seeds on the inner layer of fabric 8. The grass seeds and / or the roots of the grass seeds can penetrate the inner layer of fabric and embed themselves into the main body 1 of the bag.

[0026] During flood season, to prevent water from washing away the dredged sand inside the planting window, the zipper can be closed to re-secure the outer layer of fabric to the outside of the inner layer. Furthermore, after the planting window is closed with the outer fabric, a double-layer structure is formed, further enhancing the impact and tensile strength of the bagged sand filling bag.

[0027] Zipper 3 is a waterproof zipper with a polyvinyl chloride (PVC) coating. When closed, fine particles of dredged sand cannot seep out through the waterproof zipper during backfilling.

[0028] Both the dredged sand filling port 6 and the drainage port 7 are cylindrical tubes made of the same material as the main body 1 of the bag. The dredged sand filling port 6 and the drainage port 7 are integrally formed and woven with the main body 1 of the bag, and are internally connected to the main body 1. Three dredged sand filling ports 6 are located on the outside of the main body 1 of the bag, and two drainage ports 7 are located at both ends of the main body 1 of the bag. The dredged sand filling ports 6 are used to connect to the filling pipe for rapid filling with dredged sand. A filter cloth 9 is installed inside the connection between the drainage port 7 and the main body 1 to horizontally block the drainage port 7. The filter cloth 9 is made of water-filtering geotextile, and the pore size of the water-filtering geotextile is larger than that of the main body 1 of the bag. The drainage port 7 is used for rapid drainage of dredged sand with high water content.

[0029] Those skilled in the art will understand that, unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains. It should also be understood that terms such as those defined in general dictionaries should be understood to have the same meaning as in the context of the prior art, and should not be interpreted in an idealized or overly formal sense unless defined as herein.

[0030] The meaning of "and / or" as used in this application includes situations where each exists alone or both exist simultaneously.

[0031] The term "connection" as used in this application can mean a direct connection between components or an indirect connection between components through other components.

[0032] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A bagged sand filling bag with an openable and closable planting window, characterized in that, Includes a bag body (1) and a zipper (3). The bag body (1) is a hollow bag with closed sides. The bag body (1) is laid horizontally. A planting window (4) is opened in the center of the upper side of the bag body (1). An inner layer of fabric (8) is provided inside the planting window (4). The inner layer of fabric (8) is sewn to the bag body (1) around the planting window (4). An outer layer of fabric is connected to the planting window (4) through the zipper (3). The outer layer of fabric is located on the outer side of the inner layer of fabric. The outer side of the bag body (1) facing the horizontal direction has several dredged sand filling ports (6) and several drainage ports (7). The dredged sand filling ports (6) and drainage ports (7) are connected to the inside of the bag body (1). The inside of the drainage port (7) and the bag body (1) is provided with a filter cloth (9) that blocks the drainage port (7).

2. The bagged sand filling bag with an openable planting window according to claim 1, characterized in that, The main body of the bag (1) is rectangular or tubular, and the planting window (4) is rectangular, with the same length and width ratio as the rectangular surface of the main body of the bag (1) facing upwards.

3. The bagged sand filling bag with an openable planting window according to claim 1, characterized in that, One of the two chain straps of the zipper (3) is sewn around the inner circle of the planting window (4), and the other is sewn around the outer layer of fabric. The zipper pull of the zipper (3) is located on the chain strap sewn onto the outer layer of fabric.

4. The bagged sand filling bag with an openable planting window according to claim 1, characterized in that, There are two drain outlets (7), which are respectively located at both ends of the length of the main body of the bag (1); Several of the dredged sand filling ports (6) are located on the same side of the main body of the bag (1).

5. The bagged sand filling bag with an openable planting window according to claim 1, characterized in that, The filter cloth (9) is selected from water-filtering geotextile, and the pores of the water-filtering geotextile are larger than the pores of the main body of the bag (1).

6. The bagged sand filling bag with an openable planting window according to claim 1, characterized in that, There are three dredged sand filling ports (6), located at both ends and the middle of the main body of the bag (1) along its length.

7. The bagged sand filling bag with an openable planting window according to claim 1, characterized in that, The main body of the bag (1) is made of ultra-fine porous polypropylene (PP) geotextile with a unit area mass of 320~500g / m². 2 The equivalent pore size is 0.08~0.12mm, and the vertical permeability coefficient is >10. -4 cm / s, longitudinal tensile strength ≥40kN / m, transverse tensile strength ≥32kN / m, bursting strength ≥0.5kg / cm 2 .

8. The bagged sand filling bag with an openable planting window according to claim 1, characterized in that, The inner layer fabric (8) is a medium-pore polypropylene (PP) geotextile with a unit area mass of 100~200 g / m². 2 The equivalent pore size is 0.8~2.3mm, and the vertical permeability coefficient is >10. -1 cm / s, longitudinal tensile strength ≥20kN / m, transverse tensile strength ≥16kN / m, bursting strength ≥0.1kg / cm 2 .

9. The bagged sand filling bag with an openable planting window according to claim 1, characterized in that, The inner fabric (8) and the main body of the bag (1) are sewn together using high-strength polypropylene (PP) with a diameter of 0.5~0.8mm and a sewing width of 8~10cm, to meet a filling pressure of 0.33kg / cm. 2 Without tearing at the seam, the width of the planting window fabric extending outward from the seam is D=0.5×△h, where △h is the average daily water level difference of the river channel protected by bagged sand pillows.

10. The bagged sand filling bag with an openable planting window according to claim 1, characterized in that, The zipper (3) is a waterproof zipper with a PVC coating. When closed, fine particles of silt cannot seep out through the zipper (3) during dredging and filling.

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