CN216130058U

CN216130058U - Protection structure for embankment slope

Info

Publication number: CN216130058U
Application number: CN202121345519.5U
Authority: CN
Inventors: 梁建波; 李德; 吴鼎; 刘亮; 刘万浩; 董平
Original assignee: Hubei Provincial Water Resources and Hydropower Planning Survey and Design Institute
Current assignee: Hubei Provincial Water Resources and Hydropower Planning Survey and Design Institute
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-03-25
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a protection structure for a dike slope, which is characterized in that: the multi-row slope protection structure is characterized in that a plurality of slope prefabricated blocks are arranged on the slope of the dike, each slope prefabricated block is of a dumbbell-shaped structure with two wide ends and a narrow middle part and comprises two end parts and a middle connecting part, the connecting line direction of the two end parts of each slope prefabricated block is consistent with the slope inclination direction of the dike, the slope prefabricated blocks are arranged into one row of slope protection bodies at intervals along the width direction of the slope of the dike, the slope protection bodies in multiple rows are arranged in a parallel and staggered mode along the slope inclination direction of the dike, the upper end parts of the slope prefabricated blocks in each row of slope protection bodies are embedded in the intervals of the connecting parts of the two slope prefabricated blocks at the corresponding position of the last row of slope protection bodies, and the connecting parts of the slope prefabricated blocks in each row of slope protection bodies are embedded in the intervals of the lower end parts of the two slope prefabricated blocks at the corresponding position of the last row of slope protection bodies. The utility model has the advantages of no foot groove, water construction, simple structure and easy maintenance.

Description

Protection structure for embankment slope

Technical Field

The utility model belongs to the technical field of dike slope protection, and particularly relates to a dike slope surface protection structure.

Background

In the field of water conservancy embankment engineering, protection of embankment slopes of rivers and lakes is very popular but very important work. At present, the upstream slope of the dike is generally protected by concrete or grass planting bricks, and in order to prevent the slope of the concrete or the grass planting bricks from slipping, the slope foot for protecting the slope often needs a concrete foot groove for protection. The concrete foot grooves are generally constructed in a cast-in-place mode, and the foundation of the foot grooves needs to be leveled and tamped before concrete is poured, so that the concrete foot grooves are constructed under the condition of no water, a cofferdam needs to be built outside a dike to form a dry foundation pit for operation, when the depth of the water surface of the dike foot is deep, on one hand, the underwater filling part of the constructed cofferdam cannot be rolled, the construction quality is difficult to guarantee, on the other hand, the filling engineering quantity of the cofferdam is large, and the cost of the cofferdam exceeds that of slope protection main engineering. In addition, the slope protection foot grooves arranged under water are eroded by water flow scouring for a long time and are easy to damage, and once the slope protection foot grooves are damaged, the slope protection slope is easy to collapse and damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the background technology, and provides a dike slope surface protection structure which is free of a foot groove, can be constructed with water, and is simple in structure and easy to maintain.

The utility model provides a protection structure for a bank slope, which is characterized in that: the multi-row slope protection device is characterized in that a plurality of slope prefabricated blocks are arranged on the slope of the dike, each slope prefabricated block is of a dumbbell-shaped structure with two wide ends and a narrow middle part and comprises two end heads and a middle connecting part, the connecting line direction of the two end heads of each slope prefabricated block is consistent with the slope direction of the dike, the slope prefabricated blocks are arranged into one row of slope protection bodies at intervals along the width direction of the slope of the dike, the interval of the connecting parts of two adjacent slope prefabricated blocks in each row of slope protection bodies is matched with the width of the head parts of the slope prefabricated blocks, the interval of the heads of two adjacent slope prefabricated blocks in each row of slope protection bodies is matched with the width of the connecting parts of the slope prefabricated blocks, the slope protection bodies in each row are arranged in a parallel and staggered mode along the slope inclination direction of the dike, the upper end heads of the slope prefabricated blocks in each row of slope protection bodies are embedded in the intervals of the connecting parts of the two slope prefabricated blocks at the corresponding positions of the last row of slope protection bodies, and the connecting parts of the slope protection bodies in each row of slope protection bodies are embedded in the two slope protection bodies at the corresponding positions of the last row of slope protection bodies The lower end head part is arranged in the space.

As the preferred scheme of the utility model, the top of the embankment slope is provided with the anti-collision piers, and the uppermost row of the embankment bodies are fixed on the anti-collision piers.

Further, the top row of bank protection body includes the top of slope prefabricated section that a plurality of intervals set up, the top of slope prefabricated section comprises connecting portion and the head of locating connecting portion one end, the other end of connecting portion passes through the splice bar and the anticollision mound is fixed, and the interval of the connecting portion of two adjacent top of slope prefabricated sections matches with the head width of domatic prefabricated section, and the interval of the head of two adjacent top of slope prefabricated sections matches with the connecting portion width of domatic prefabricated section.

Furthermore, the width of the anti-collision pier is matched with the width of the connecting part of the slope top precast block, a stressed steel bar is arranged in the anti-collision pier, and the bottom of the anti-collision pier goes deep into the ground.

Furthermore, two sides of the embankment slope surface along the width direction are provided with limiting blocks.

Furthermore, the outer surface of the slope surface precast block is provided with an anti-cracking reinforcing mesh, and the slope surface precast block is internally provided with prestressed tendons.

According to the utility model, the dumbbell-shaped slope surface precast blocks are staggered and embedded with each other, so that the downward sliding force of the slope surface precast blocks along the dike slope surface is transmitted to the top without a bottom foot groove, and a series of time-consuming and labor-consuming works of cofferdam construction and the like are further avoided. Meanwhile, all slope prefabricated blocks are of uniform size, so that later maintenance and replacement are more convenient.

Drawings

FIG. 1 is a block diagram of the present invention.

Fig. 2 is a structural diagram of a slope prefabricated block.

Fig. 3 is a longitudinal sectional view of fig. 2.

Fig. 4 is a transverse cross-sectional view of fig. 2.

Fig. 5 is a structural view of a top block.

Fig. 6 is a longitudinal sectional view of fig. 5.

Fig. 7 is a structural view of the crash block.

Fig. 8 is a schematic connection diagram of the anti-collision pier and the slope top precast block.

Fig. 9 is a schematic diagram of splicing between the slope prefabricated blocks and the slope top prefabricated blocks and between the slope prefabricated blocks and the slope prefabricated blocks.

In the figure: the slope prefabricated section 1, the head 1.1, the connecting part 1.2, the slope top prefabricated section 2, the anti-collision pier 3, the dike slope 4, the anti-crack reinforcing mesh 5, the prestressed tendons 6, the stressed reinforcing steel bars 7, the connecting tendons 8 and the water surface 9.

Detailed Description

The utility model will now be described in further detail, including the preferred embodiments, with reference to the accompanying drawings and by way of illustration of some alternative embodiments of the utility model.

A protection structure for the slope of a dike, wherein a plurality of slope prefabricated blocks 1 are arranged on a slope surface 4 of the dike, the slope prefabricated blocks 1 form a dumbbell-shaped structure with wide two ends and narrow middle parts by head parts 1.1 and middle connecting parts 1.2, the connecting line direction of the head parts 1.1 at the two ends of the slope prefabricated blocks 1 is consistent with the inclination direction of the slope surface 4 of the dike, the slope prefabricated blocks 1 are arranged into a row of slope protection bodies at intervals along the width direction of the slope surface 4, the interval of the connecting parts 1.2 of the adjacent two slope prefabricated blocks 1 in the slope protection bodies is matched with the width of the head parts 1.1 of the slope prefabricated blocks 1, the interval of the head parts 1.1 of the adjacent two slope prefabricated blocks 1 in the slope protection bodies is matched with the width of the connecting parts 1.2 of the slope prefabricated blocks 1, a plurality of rows of slope protection bodies are arranged in a parallel and staggered way along the inclination direction of the slope surface 4, the upper head parts 1.1 of the slope surface prefabricated blocks 1 in each row of the slope protection bodies are embedded in the connecting parts of the connecting parts 1 of the slope surface prefabricated blocks 1 of the slope protection bodies corresponding to the slope protection bodies of the two slope protection bodies of the upper row, the connecting part 1.2 of the slope prefabricated blocks 1 in each row of slope protection bodies is embedded in the interval of the lower end heads 1.1 of the two slope prefabricated blocks 1 at the corresponding position of the previous row of slope protection bodies. And two sides of the embankment slope surface 4 in the width direction are provided with limiting blocks.

The top of the embankment slope surface 4 is provided with an anti-collision pier 3, and the uppermost row of the embankment bodies are fixed on the anti-collision pier 3. The top row of bank protection body includes the top of slope prefabricated section 2 that a plurality of intervals set up, top of slope prefabricated section 2 comprises connecting portion 1.2 and the head 1.1 of locating connecting portion 1.2 one end, the other end of connecting portion 1.2 passes through splice bar 8 and anti-collision pier 3 is fixed, and the interval of connecting portion 1.2 of two adjacent top of slope prefabricated sections 2 matches with the head 1.1 width of domatic prefabricated section 1, and the interval of the head 1.1 of two adjacent top of slope prefabricated sections 2 matches with the connecting portion 1.2 width of domatic prefabricated section 1. The width of the anti-collision pier 3 is matched with the width of the connecting part 1.2 of the slope top prefabricated section 2, 4-8 stressed steel bars 7 are arranged in the anti-collision pier 3, the bottom of the anti-collision pier 3 extends into the ground for 1m, and the height on the ground is 0.5 m.

The outer surface of the slope prefabricated section 1 is provided with an anti-cracking reinforcing mesh 5, and the slope prefabricated section 1 is internally provided with 3 prestressed tendons 6.

The manufacturing and installation process of the embankment slope surface protection structure is as follows:

1) manufacturing a slope surface prefabricated block 1: erecting a formwork, laying an anti-cracking reinforcing mesh 5, laying prestressed tendons 6 and stretching, pouring concrete, maintaining, removing the formwork, stretching the prestressed tendons 6 and arranging anchoring ends.

2) Manufacturing the anti-collision pier 3: erecting a mold, laying stressed steel bars 7, pouring the anti-collision pier 3 to be flush with the top surface of the embankment, maintaining, removing the mold, backfilling and rolling, roughening, hooping the stressed steel bars 7 of the anti-collision pier 3 with reserved connecting bars 8 of the slope top prefabricated block 2, pouring concrete on the upper part of the anti-collision pier 3, maintaining and removing the mold.

3) And hoisting and splicing the slope prefabricated block 1.

Compared with the prior art, the embankment slope surface protection structure has the advantages that:

1. slope protection gliding and water flush destruction are resisted through the embedded power between each other between slope top prefabricated section 2 and the domatic prefabricated section 1, need not bottom foot groove, and the operation of wading water only assembles domatic prefabricated section 1, and when the dyke foot surface of water 9 degree of depth is lighter, can directly utilize crane cooperation manual positioning, when the dyke foot surface of water 9 degree of depth is darker, crane cooperation diver is fixed a position under water. Can be operated with water without ensuring anhydrous construction conditions and filling the water retaining cofferdam.

2. Because the anti-skidding stress part of the whole structure is arranged at the top of the embankment 4, the embankment is not washed by long-time water flow, and the hidden trouble that the whole embankment slope protection system is damaged due to the damage of the foot grooves can not be generated.

3. It is fixed through splice bar 8 between top of slope prefabricated section 2 and the anticollision mound 3, for whole bank protection system provides the cling compound force, has effectively improved concrete anticollision mound 3's wholeness and intensity simultaneously.

4. All top of slope prefabricated section 2 and domatic prefabricated section 1 are standard size, and unified prefabrication, and link to each other through the gomphosis between each other and do not have the mounting, and later stage maintenance is convenient with the change.

5. Except for the slope top prefabricated section 2, the prefabrication of slope prefabricated sections 1 at other positions can be simultaneously constructed with the anti-collision piers 3, so that the construction time is saved, and the working efficiency is improved.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A dyke slope protection structure is characterized in that: the embankment slope (4) is provided with a plurality of slope precast blocks (1), the slope precast blocks (1) form a dumbbell-shaped structure with two wide ends and a narrow middle part by two end heads (1.1) and a middle connecting part (1.2), the connecting line direction of the two end heads (1.1) of the slope precast blocks (1) is consistent with the inclination direction of the embankment slope (4), the slope precast blocks (1) are arranged into a row of slope protection bodies at intervals along the width direction of the embankment slope (4), the intervals of the connecting parts (1.2) of two adjacent slope precast blocks (1) in the slope protection bodies are matched with the width of the heads (1.1) of the slope precast blocks (1), the intervals of the heads (1.1) of two adjacent slope precast blocks (1) in the slope protection bodies are matched with the width of the connecting parts (1.2) of the slope precast blocks (1), the slope protection bodies are arranged in parallel and staggered mode along the inclination direction of the embankment slope (4), the upper end heads (1.1) of the slope prefabricated blocks (1) in each row of slope protection bodies are embedded in the intervals of the connecting parts (1.2) of the two slope prefabricated blocks (1) at the corresponding positions of the previous row of slope protection bodies, and the connecting parts (1.2) of the slope prefabricated blocks (1) in each row of slope protection bodies are embedded in the intervals of the lower end heads (1.1) of the two slope prefabricated blocks (1) at the corresponding positions of the previous row of slope protection bodies.

2. The embankment slope protection structure according to claim 1, wherein: the top of the dike slope surface (4) is provided with an anti-collision pier (3), and the top row of slope protection bodies are fixed on the anti-collision pier (3).

3. An embankment slope protection structure according to claim 2, wherein: the top row of bank protection body includes top of slope prefabricated section (2) that a plurality of intervals set up, top of slope prefabricated section (2) comprise connecting portion (1.2) and head (1.1) of locating connecting portion (1.2) one end, the other end of connecting portion (1.2) is fixed through splice bar (8) and anticollision mound (3), and the interval of connecting portion (1.2) of two adjacent top of slope prefabricated sections (2) matches with head (1.1) width of domatic prefabricated section (1), and the interval of head (1.1) of two adjacent top of slope prefabricated sections (2) matches with connecting portion (1.2) width of domatic prefabricated section (1).

4. An embankment slope protection structure according to claim 2, wherein: the width of anticollision mound (3) matches with the width of connecting portion (1.2) of top of slope prefabricated section (2), be equipped with atress reinforcing bar (7) in anticollision mound (3), the bottom of anticollision mound (3) is deep into the underground.

5. The embankment slope protection structure according to claim 1, wherein: and two sides of the embankment slope surface (4) in the width direction are provided with limiting blocks.

6. The embankment slope protection structure according to claim 1, wherein: the outer surface of the slope prefabricated block (1) is provided with an anti-cracking reinforcing mesh (5), and the slope prefabricated block (1) is internally provided with prestressed tendons (6).