Riverway concrete revetment structure

Abstract

The utility model provides a riverway concrete revetment structure relates to riverway management technical field, include: concrete revetment precast block, concrete revetment precast block front side is equipped with the protective block, the utility model discloses protective block is closely combined with concrete revetment precast block front end face through antirust bolt, can directly bear river water scouring, sundry impact etc. external load, forms the first protective barrier, the protective block is detachable design, when the damage such as breakage appears because of long -time scouring, need not to remove integral concrete revetment precast block, only need to unscrew antirust bolt can take down damaged component, after replacing new protective block, can complete maintenance by screwing up bolt again, it is simple and quick to operate, solved in riverway management engineering, the bank protection block of adopting integrated design is easy to break down because of water flow scouring, sundry impact etc., and because of structural restriction needs integral replacement, causes material waste and increases the problem of later maintenance cost and difficulty.

Description

Technical Field

[0001] This utility model relates to the field of river management technology, and in particular to a concrete revetment structure for river channels. Background Technology

[0002] In river management projects, revetment structures are a core component, undertaking key functions such as resisting water erosion, stabilizing riverbank slopes, and protecting the river's ecological environment. However, the revetment blocks that currently make up the revetment structure adopt an integrated design. During long-term contact with river water, the surface of these blocks is easily damaged by factors such as water erosion and debris impact. Once damaged, due to the integrated structural characteristics, the entire revetment block often has to be replaced, which not only wastes materials but also significantly increases the cost and difficulty of subsequent maintenance. Utility Model Content

[0003] This utility model relates to a concrete revetment structure for river channels, which solves the problem that in river management projects, the integrated revetment blocks are easily damaged by water erosion and debris impact, and the entire structure needs to be replaced due to structural limitations, resulting in material waste and increased maintenance costs and difficulties.

[0004] This utility model provides a concrete revetment structure for river channels, specifically including: precast concrete revetment blocks, the top surface of which is provided with a filling groove, and the front surface of which is provided with a row of water inlets connected to the filling groove in a uniform distribution. The precast concrete revetment block has embedded columns at the four corners of its front end face, and the embedded columns have threaded blind holes at the axial center of their front end face. A protective block is provided on the front side of the precast concrete revetment block; the front face of the protective block is provided with insertion holes that penetrate the rear face at the four corners of its edge; A rust-proof bolt is inserted into the insertion hole; When the anti-rust bolt is connected to the threaded blind hole, the rear end face of the protective block is in contact with the front end face of the precast concrete revetment block, and at this time the protective block completely covers the front end face of the precast concrete revetment block.

[0005] Furthermore, a row of water inlet ports that penetrate the rear end face of the protective block are evenly distributed on the front end face of the protective block. When the anti-rust bolt is connected to the threaded blind hole, the position of the water inlet mating port corresponds to that of the water inlet.

[0006] Furthermore, the bottom end face of the precast concrete revetment block is fixedly installed with a mating block that can be inserted into the filling groove; The filling groove is filled with crushed stones.

[0007] Furthermore, a row of drainage outlets is evenly distributed on the bottom surface of the inner end of the filling groove, and the drainage outlets penetrate the bottom end surface of the mating block.

[0008] Furthermore, the left end face of the precast concrete revetment block is provided with a splicing slot in the shape of an isosceles trapezoidal groove, and the splicing slot penetrates the top and bottom faces of the precast concrete revetment block. The right end face of the precast concrete revetment block is fixedly equipped with a splicing block with an isosceles trapezoidal block structure, and the structural dimensions of the splicing block match the structural dimensions of the splicing slot.

[0009] This utility model provides a concrete revetment structure for river channels, which has the following beneficial effects: The precast concrete revetment blocks that are laterally adjacent in this invention form a wedge-shaped fit between the isosceles trapezoidal splicing blocks and splicing slots. After insertion, they can be tightly locked together, effectively resisting the lateral impact of water flow and avoiding gaps or displacement. The upper and lower layers of precast blocks are connected by interlocking blocks and filling grooves. Combined with the supporting effect of the crushed stones in the filling grooves, the longitudinal positioning is precisely achieved, which greatly improves the stacking stability. The overall structure can withstand complex external forces such as strong water flow and impact of floating objects.

[0010] This utility model's protective block is tightly fitted to the front face of the precast concrete revetment block using rust-proof bolts, allowing it to directly withstand external loads such as river erosion and debris impacts, forming the first line of defense. Embedded columns are embedded within the precast block, providing stable support for the bolt connections and preventing external forces from directly acting on the precast block body, effectively protecting the main structure from damage and extending the overall service life of the revetment. The protective block is detachable; when damage such as breakage or cracking occurs due to prolonged erosion, it is not necessary to remove the entire precast concrete revetment block. Simply unscrew the rust-proof bolts to remove the damaged part, replace it with a new protective block, and retighten the bolts to complete the repair. The operation is simple and quick.

[0011] In this invention, river water enters the filling trough through the inlet of the protective block and the inlet of the precast block. The crushed stones in the filling trough form a natural porous filter layer, which slows down the water flow and intercepts impurities such as silt and fallen leaves in the water, reducing the erosion of the bottom of the revetment and the riverbed. The water filtered by the crushed stones is discharged through the drain at the bottom of the filling trough. The drain passes through the connecting block and reaches the riverbed below the revetment, realizing the orderly guidance of water flow and preventing rainwater or river water from accumulating inside the revetment and forming pressure, thus reducing the cracking and loosening of the structure caused by water accumulation. Attached Figure Description

[0012] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0013] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0014] In the attached diagram: Figure 1 A schematic diagram of the left-end isometric structure of this utility model is shown; Figure 2 A schematic diagram of the right-end isometric structure of this utility model is shown; Figure 3 A schematic diagram of the bottom isometric structure of this utility model is shown; Figure 4 This invention is illustrated in the following structural diagrams: the state of stone removal, the state of separation of the protective blocks and anti-rust bolts from the precast concrete revetment blocks; Figure 5 This utility model illustrates Figure 4 A magnified view of the structure at point A in the middle; List of reference numerals 1. Precast concrete revetment blocks; 101. Filling groove; 102. Splicing slot; 103. Splicing insert; 104. Butt joint insert; 105. Drainage outlet; 106. Water inlet; 107. Embedded column; 108. Threaded blind hole; 2. Crushed stone blocks; 3. Protective block; 301. Water inlet fitting port; 302. Insertion hole; 4. Rust-proof bolts. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0016] Example: Please refer to Figures 1 to 5 : This utility model proposes a concrete revetment structure for river channels, comprising: a precast concrete revetment block 1, with a filling groove 101 on the top surface of the precast concrete revetment block 1, and a row of water inlets 106 evenly distributed on the front surface of the precast concrete revetment block 1 communicating with the filling groove 101; embedded columns 107 are installed at the four corners adjacent to the front surface of the precast concrete revetment block 1, and threaded blind holes 108 are opened at the axial center of the front surface of the embedded columns 107; a protective block 3 is provided on the front side of the precast concrete revetment block 1; insertion holes 302 penetrating the rear surface of the protective block 3 are opened at the four corners adjacent to the front surface of the protective block 3; anti-rust bolts 4 are inserted into the insertion holes 302; when the anti-rust bolts 4 and the threaded blind holes 108 are inserted into the threaded blind holes 108, the anti-rust bolts 108 and the threaded blind holes 108 are inserted into the threaded blind holes 108. When the 8 threads are connected, the rear end face of the protective block 3 is in contact with the front end face of the precast concrete revetment block 1, and the protective block 3 completely covers the front end face of the precast concrete revetment block 1. A row of water inlet fitting ports 301 are evenly distributed on the front end face of the protective block 3, penetrating the rear end face of the protective block 3. When the anti-rust bolt 4 is connected to the threaded blind hole 108, the water inlet fitting port 301 corresponds to the water inlet 106. A mating plug 104 that can be inserted into the filling groove 101 is fixedly installed on the bottom end face of the precast concrete revetment block 1. The filling groove 101 is filled with crushed stone blocks 2. A row of drainage outlets 105 are evenly distributed on the bottom end face of the filling groove 101, and the drainage outlets 105 penetrate the bottom end face of the mating plug 104.

[0017] Among them, the left end face of the precast concrete revetment block 1 is provided with a splicing slot 102 with an isosceles trapezoidal groove structure, and the splicing slot 102 penetrates the top and bottom end faces of the precast concrete revetment block 1; the right end face of the precast concrete revetment block 1 is fixedly installed with a splicing insert 103 with an isosceles trapezoidal block structure, and the structural dimensions of the splicing insert 103 match the structural dimensions of the splicing slot 102.

[0018] The working principle of this embodiment: The adjacent precast concrete revetment blocks 1 are connected laterally by the limiting insertion of splicing blocks 103 and splicing slots 102. Since both splicing blocks 103 and splicing slots 102 are isosceles trapezoidal structures, they can form a tight wedge fit after insertion, effectively resisting the lateral impact of water flow and preventing gaps or displacement of the precast concrete revetment blocks 1. The upper and lower layers of precast concrete revetment blocks 1 are longitudinally positioned by the limiting insertion of the butt plug 104 and the filling groove 101. The butt plug 104 of the upper layer of precast concrete revetment block 1 is inserted into the filling groove 101 of the lower layer of precast concrete revetment block 1, and forms a support with the crushed stone blocks 2 in the filling groove 101 to ensure the stability of longitudinal stacking. The anti-rust bolt 4 is inserted through the plug hole 302 and threaded blind hole 108 to be connected to the threaded installation, so that the rear end face of the protective block 3 is in contact with the front end face of the precast concrete revetment block 1. At this time, it completely covers the front end face of the precast concrete revetment block 1 and directly bears the external forces such as river water scouring and floating object impact. When the river water impacts, the river water enters through the water inlet 301 of the protective block 3. Since the water inlet 301 corresponds to the water inlet 106 of the precast concrete revetment block 1, the water flow can directly flow into the filling trough 101. The gravel 2 in the filling trough 101 forms a porous filter layer, which can intercept impurities in the water flow and slow down the water flow speed to prevent rainwater from directly eroding the internal structure of the revetment. The water flow filtered by the gravel 2 is discharged through the drain outlet 105 at the bottom of the filling trough 101. The drain outlet 105 penetrates the bottom end face of the connecting block 104 and can guide the water flow back to the river channel below the revetment. When the protective block 3 is damaged or cracked due to long-term erosion, it is not necessary to remove the whole concrete revetment precast block 1. Simply unscrew the anti-rust bolts 4, remove the damaged protective block 3, replace it with a new protective block 3, and retighten the anti-rust bolts 4 to complete the repair. The embedded column 107 is embedded in the concrete revetment precast block 1, and the threaded blind hole 108 can be reused, ensuring that the replacement process is convenient and efficient, and greatly reducing maintenance costs and construction difficulty.

Claims

1. A concrete revetment structure for river channels, characterized in that, include: A precast concrete revetment block (1) has a filling groove (101) on its top surface and a row of water inlets (106) that are connected to the filling groove (101) on its front surface. The precast concrete revetment block (1) has embedded columns (107) installed at the four corners of its front end face. The embedded columns (107) have threaded blind holes (108) at the axial part of their front end face. The precast concrete revetment block (1) is provided with a protective block (3) on the front side; the front face of the protective block (3) is provided with a insertion hole (302) that penetrates its rear face at the four corners of the edge. A rust-proof bolt (4) is inserted into the insertion hole (302); When the anti-rust bolt (4) is connected to the threaded blind hole (108), the rear end face of the protective block (3) is in contact with the front end face of the precast concrete revetment block (1), and at this time the protective block (3) completely covers the front end face of the precast concrete revetment block (1).

2. The concrete revetment structure for river channels according to claim 1, characterized in that, The front end face of the protective block (3) has a row of water inlet ports (301) that penetrate the rear end face of the protective block (3) in a uniformly distributed manner. When the anti-rust bolt (4) is threadedly connected to the threaded blind hole (108), the water inlet mating port (301) corresponds to the water inlet (106).

3. A concrete revetment structure for river channels according to claim 2, characterized in that, The bottom end face of the precast concrete revetment block (1) is fixedly installed with a butt plug (104) that can be inserted into the filling groove (101). The filling groove (101) is filled with crushed stones (2).

4. A concrete revetment structure for river channels according to claim 3, characterized in that, The bottom surface of the inner end of the filling groove (101) has a row of drainage outlets (105) evenly distributed, and the drainage outlets (105) penetrate the bottom surface of the docking block (104).

5. A concrete revetment structure for river channels according to claim 4, characterized in that, The left end face of the precast concrete revetment block (1) is provided with a splicing slot (102) in the shape of an isosceles trapezoidal groove, and the splicing slot (102) penetrates the top and bottom faces of the precast concrete revetment block (1). The right end face of the precast concrete revetment block (1) is fixedly installed with a splicing block (103) in the shape of an isosceles trapezoidal block, and the structural dimensions of the splicing block (103) match the structural dimensions of the splicing slot (102).

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