Bank protection structure based on double-layer mold bag

Abstract

The utility model discloses a bank protection structure based on a double-layer mold bag, which is characterized in that a wave wall is arranged at the top of a bank slope, a groove area is dug at the bottom of the bank slope, the double-layer mold bag is paved on the bank slope, an upper-layer filling cavity and a bottom-layer filling cavity are arranged in the double-layer mold bag, and coral mortar is filled in the bottom-layer filling cavity. And the upper-layer filling cavity is filled with coral sand concrete. According to the double-layer filling cavity mold bag structure, the coral sand concrete is filled in the upper-layer filling cavity, so that the higher strength of a slope protection surface can be ensured; besides, the bottom layer filling cavity is only filled with the coral mortar, so that compared with an existing mold bag with a single-layer filling space, a large amount of concrete can be saved, local rich coral sand resources of the coast can be fully utilized, and the cost is lower.

Description

Technical Field

[0001] This utility model belongs to the field of bank protection technology, and in particular to a bank protection structure based on double-layer molded bags. Background Technology

[0002] Bank protection structures are engineering structures that protect the edges of water bodies such as coastlines and riverbanks. They prevent riverbanks or coastlines from collapsing due to erosion by water currents and waves. For example, at river bends, the erosion force of the river water on the concave bank is strong; bank protection projects can reinforce the concave bank and reduce land loss. They come in various forms, including sloping bank protection structures made of piled stones and vertical bank protection structures built with concrete.

[0003] Traditional shoreline protection structures involve laying concrete mortar bags and stones on the shore slope to achieve shoreline protection. This traditional method requires a large amount of concrete and natural stone, resulting in high costs and a long construction period. Moreover, this traditional method is not suitable for coastal areas and island / reef areas lacking concrete and stone resources. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a revetment structure based on a double-layer molded bag.

[0005] This utility model is achieved through the following technical solution:

[0006] A revetment structure based on double-layer geotextile bags includes a wave-breaking wall at the top of the bank slope, a grooved area at the bottom of the bank slope, and double-layer geotextile bags laid on the bank slope. The top of the double-layer geotextile bags extends to the leading edge of the wave-breaking wall, and the bottom of the double-layer geotextile bags extends to the grooved area at the bottom of the bank slope. Stone blocks are laid in the grooved area, and the bottom of the double-layer geotextile bags is pressed into the stone blocks.

[0007] The double-layered manhole cover includes a top surface, a middle surface, and a bottom surface. The top surface, middle surface, and bottom surface are connected around their perimeter to form a four-sided cover. A bottom filling cavity is formed between the bottom surface and the middle surface, and an upper filling cavity is formed between the top surface and the middle surface. Coral mortar is filled into the bottom filling cavity, and coral sand concrete is filled into the upper filling cavity.

[0008] In the above technical solution, a grid array formed by transverse and longitudinal reinforcing ribs is provided on the top surface, middle surface, and bottom surface of the mold bag. A first vertical reinforcing rib is connected between the intersection of the grid array on the bottom surface and the intersection of the grid array on the middle surface of the mold bag, and a second vertical reinforcing rib is connected between the intersection of the grid array on the top surface and the intersection of the grid array on the middle surface of the mold bag.

[0009] In the above technical solution, geotextile is also laid between the bank slope and the double-layer geotextile bag.

[0010] In the above technical solution, a first filling port is provided on the top surface of the double-layer mold bag for filling coral sand concrete into the upper filling cavity; a second filling port is provided on the middle surface of the double-layer mold bag for filling coral mortar into the lower filling cavity.

[0011] In the above technical solution, a first filling port is set directly above the second filling port. In this way, when coral mortar is filled into the bottom filling cavity, the pump pipe can pass through the first filling port and then reach the second filling port.

[0012] In the above technical solution, the wave-breaking wall is made of plain concrete or coral sand concrete.

[0013] In the above technical solution, the stone blocks are made of plain concrete or coral sand concrete.

[0014] The advantages and beneficial effects of this utility model are as follows:

[0015] This utility model discloses a revetment structure with a double-layered geotextile bag structure. The double-layered geotextile bag has two filling chambers: an upper chamber filled with coral sand mortar and an upper chamber filled with coral sand concrete. This double-layered geotextile bag structure, because the upper chamber is filled with coral sand concrete, ensures high strength of the revetment surface. Furthermore, because the lower chamber is filled only with coral sand mortar (no concrete is required), compared to existing single-layered geotextile bags (for constructing revetment structures of the same thickness), it saves a significant amount of concrete and rubble, fully utilizes the abundant local coral sand resources, and results in lower costs. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the revetment structure based on double-layer molded bags according to this utility model.

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of a double-layered molded bag.

[0018] Figure 3 This is a schematic diagram of the structure of a double-layer molded bag.

[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of a double-layered molded bag.

[0020] Figure 5 This is a schematic diagram of another embodiment of the revetment structure based on double-layer molded bags according to this utility model.

[0021] For those skilled in the art, other related figures can be obtained from the above figures without any creative effort. Detailed Implementation

[0022] To enable those skilled in the art to better understand the present invention, the technical solution of the present invention will be further described below with reference to specific embodiments.

[0023] A revetment structure based on double-layered geotextile bags, see appendix. Figure 1 A wave-breaking wall 1 is installed at the top of the bank slope, and a groove area 2 is excavated at the bottom of the bank slope. Double-layer geotextile bags 3 are laid on the bank slope, with the top of the double-layer geotextile bags 3 extending to the leading edge of the wave-breaking wall 1 and the bottom of the double-layer geotextile bags 3 extending to the groove area 2 at the bottom of the bank slope. Stone blocks 4 are laid in the groove area 2, and the bottom of the double-layer geotextile bags 3 is stably pressed into the stone blocks 4. Furthermore, 1-3 layers of geotextile fabric 5 are laid between the bank slope and the double-layer geotextile bags 3.

[0024] See appendix Figure 2 and attached Figure 3 The double-layer molded bag 3 includes a top surface 301, a middle surface 302, and a bottom surface 303. The top surface 301, middle surface 302, and bottom surface 303 are connected around their perimeter to form a four-sided cover. A bottom filling cavity a is formed between the bottom surface 303 and the middle surface 302, and an upper filling cavity b is formed between the top surface 301 and the middle surface 302. A grid array formed by transverse reinforcing ribs 304 and longitudinal reinforcing ribs 305 is provided on the top surface 301, middle surface 302, and bottom surface 303. A first vertical reinforcing rib 306 (i.e., the first...) is connected between the intersection of the grid array on the bottom surface 303 and the intersection of the grid array on the middle surface 302. One end of a vertical reinforcing rib 306 is connected to the intersection of the horizontal and vertical reinforcing ribs on the bottom surface 303 of the mold bag, and the other end of the first vertical reinforcing rib 306 is connected to the intersection of the horizontal and vertical reinforcing ribs on the middle surface 302 of the mold bag. A second vertical reinforcing rib 307 is connected between the intersection of the square array on the top surface 301 of the mold bag and the intersection of the square array on the middle surface 302 of the mold bag (that is, one end of the second vertical reinforcing rib 307 is connected to the intersection of the horizontal and vertical reinforcing ribs on the top surface 301 of the mold bag, and the other end of the second vertical reinforcing rib 307 is connected to the intersection of the horizontal and vertical reinforcing ribs on the middle surface 302 of the mold bag). Coral mortar 31 is filled into the bottom filling cavity a of the double-layer mold bag 3 (see Appendix). Figure 1 Coral sand concrete 32 (see Appendix) is filled into the upper filling cavity b of the double-layered manhole bag 3. Figure 1 ).

[0025] To elaborate further, see the appendix. Figure 4A first filling port 308 is provided on the top surface 301 of the double-layered formwork bag 3 for filling coral sand concrete into the upper filling cavity b; a second filling port 309 is provided on the middle surface 302 of the double-layered formwork bag 3 for filling coral mortar into the lower filling cavity a. Furthermore, it should be noted that the first filling port 308 is located directly above the second filling port 309. This ensures that when filling coral mortar into the lower filling cavity a, the pump pipe can pass through the first filling port 308 and then reach the second filling port 309 to fill the lower filling cavity a with coral mortar.

[0026] Furthermore, the wave-breaking wall 1 is made of plain concrete or coral sand concrete.

[0027] Furthermore, the stone block 4 is made of plain concrete or coral sand concrete.

[0028] Furthermore, as a preferred option, see the appendix. Figure 5 A side filling cavity c is provided at the bottom of the double-layer formwork bag 3. This side filling cavity c is connected to the upper filling cavity b, so that both the side filling cavity c and the upper filling cavity b are filled with coral sand concrete 32. Thus, due to the presence of this side filling cavity c, the bottom perimeter of the double-layer formwork bag 3 is filled with coral sand concrete. Coral sand concrete has a higher strength than coral mortar, therefore, compared to the attached... Figure 1 The proposed solution can improve the stability of the bottom of the double-layer molded bag 3.

[0029] The construction method of the revetment structure based on double-layer geotextile bags of this utility model is as follows:

[0030] Step 1: Level and smooth the slope surface of the bank slope. The slope ratio must not be steeper than the designed slope. If the flatness does not meet the requirements, gravel or small sandbags can be laid to level it.

[0031] Step 2: Lay 1-3 layers of geotextile 5 on the bank slope, construct a wave-breaking wall 1 at the top of the bank slope, and excavate a groove area 2 at the bottom of the bank slope.

[0032] Step 3: Lay the double-layered plastic bags 3 on the bank slope, so that the top of the double-layered plastic bags 3 extends to the front edge of the wave-breaking wall 1 and the bottom of the double-layered plastic bags 3 extends to the groove area 2 at the bottom of the bank slope.

[0033] Step 4: First, fill the bottom filling cavity a of the double-layer formwork bag 3 with coral mortar. After filling the bottom filling cavity a, let it stand for 1-3 days. Then, fill the upper filling cavity b of the double-layer formwork bag 3 with coral sand concrete. During the filling process, it should be carried out from bottom to top, compartment by compartment. The pump pipe and the filling port of the formwork bag should be securely fastened. When the pump pipe is inserted into the filling port, it is advisable to set a pressure-reducing baffle at the pump pipe opening. The stress on the formwork bag should be observed during the filling process.

[0034] Step 5: After filling is completed, lay stones 4 in the groove area at the bottom of the bank slope so that the bottom of the double-layer mold bag 3 is stably pressed into the stones 4.

[0035] The present invention has been described above by way of example. It should be noted that, without departing from the core of the present invention, any simple modifications, alterations or other equivalent substitutions that can be made by those skilled in the art without creative effort fall within the protection scope of the present invention.

Claims

1. A revetment structure based on double-layered geotextile bags, characterized in that: A wave-breaking wall is set at the top of the bank slope, a groove area is dug at the bottom of the bank slope, and double-layered geotextile bags are laid on the bank slope. The top of the double-layered geotextile bags extends to the front edge of the wave-breaking wall, and the bottom of the double-layered geotextile bags extends to the groove area at the bottom of the bank slope. Stone blocks are laid in the groove area, and the bottom of the double-layered geotextile bags is pressed into the stone blocks. The double-layered manhole cover includes a top surface, a middle surface, and a bottom surface. The top surface, middle surface, and bottom surface are connected around their perimeter to form a four-sided cover. A bottom filling cavity is formed between the bottom surface and the middle surface, and an upper filling cavity is formed between the top surface and the middle surface. Coral mortar is filled into the bottom filling cavity, and coral sand concrete is filled into the upper filling cavity.

2. The revetment structure based on double-layered geotextile bags according to claim 1, characterized in that: A grid array formed by transverse and longitudinal reinforcing ribs is provided on the top, middle, and bottom surfaces of the molded bag. A first vertical reinforcing rib is connected between the intersection of the grid array on the bottom surface and the intersection of the grid array on the middle surface of the molded bag, and a second vertical reinforcing rib is connected between the intersection of the grid array on the top surface and the intersection of the grid array on the middle surface of the molded bag.

3. The revetment structure based on double-layered geotextile bags according to claim 1, characterized in that: Geotextile was also laid between the bank slope and the double-layer geotextile bag.

4. The revetment structure based on double-layered geotextile bags according to claim 1, characterized in that: A first filling port is provided on the top surface of the double-layer molded bag, and a second filling port is provided on the middle surface of the double-layer molded bag.

5. The revetment structure based on double-layered geotextile bags according to claim 1, characterized in that: The first filling port is set directly above the second filling port.

6. The revetment structure based on double-layered geotextile bags according to claim 1, characterized in that: The wave-breaking wall is made of plain concrete or coral sand concrete.

7. The revetment structure based on double-layered geotextile bags according to claim 1, characterized in that: The boulders are made of plain concrete or coral sand concrete.

Images