CN219327042U - Precast concrete slope protection component - Google Patents

Abstract

The application relates to the technical field of building construction and provides a concrete prefabricated slope protection component, which comprises a plurality of slope protection blocks and a plurality of grouting connecting pipes; the center of each slope protection block is provided with a plant growing hole, the top end and the bottom end of each slope protection block are respectively provided with a horizontal pipe groove, and the side wall of each pipe groove is provided with a countersink; the pipe grooves of two vertically adjacent slope protection blocks are spliced and folded to form a pipe channel; the grouting connecting pipe is arranged in the pipe channel, one end of the grouting connecting pipe is closed, the other end of the grouting connecting pipe is provided with a grouting opening for grouting concrete mortar into the grouting connecting pipe, and the side wall of the grouting connecting pipe is provided with an overflow hole. According to the utility model, the grouting connecting pipe is used for filling concrete mortar into the pipe channel, the concrete mortar is filled in the grouting connecting pipe, the pipe channel and the countersunk head hole, and the connection and reinforcement of vertically adjacent slope protection blocks are realized after solidification, so that a plurality of slope protection blocks are connected to form an integral structure, and the problems of unstable connection, easy falling and poor stability of the existing slope protection blocks are solved.

Description

Precast concrete slope protection component

Technical Field

The utility model belongs to the technical field of building construction, and particularly relates to a concrete prefabricated slope protection component.

Background

In river management engineering, regular hexagon concrete hollow block revetments are commonly used, the type of revetments are quick in construction and low in maintenance cost, can be planted and greening to achieve ecological purposes, and are increasingly popularized in various places. And a plant growing hole for plant generation is formed in the center of the slope protection block, and shrubs or grass is planted at the plant growing hole after the slope protection construction is completed. However, as the slope protection blocks are paved on the river slope and are washed by rainwater, soil in the plant growing holes is easy to run off, soil on the back surfaces of certain slope protection blocks is loose, hollows are easy to occur, the stability of the slope protection blocks is affected, and especially the slope protection blocks lack of effective connection, and the falling of a certain slope protection block also can affect the stability of other adjacent slope protection blocks.

Disclosure of Invention

To the problem among the above-mentioned prior art, this application provides a prefabricated bank protection component of concrete for solve current bank protection piece connection insecure, the poor problem of stability.

The utility model provides a concrete prefabricated slope protection component, which comprises a plurality of slope protection blocks and a plurality of grouting connecting pipes; the center of each slope protection block is provided with a plant growing hole, the top end and the bottom end of each slope protection block are respectively provided with a horizontal pipe groove, and the side wall of each pipe groove is provided with a countersunk hole; the pipe grooves of two vertically adjacent slope protection blocks are spliced and folded to form a pipe channel; the grouting connecting pipe is arranged in the pipe channel, one end of the grouting connecting pipe is closed, the other end of the grouting connecting pipe is provided with a grouting opening for grouting concrete mortar into the grouting connecting pipe, and the side wall of the grouting connecting pipe is provided with an overflow hole.

Further, an inner support reinforcing steel bar frame is arranged in the plant growing hole of the slope protection block, and the end part of the inner support reinforcing steel bar frame is inserted into the slope protection block.

Through setting up the internal stay bar frame in the plant downthehole, can improve the structural strength of bank protection piece.

Further, the internal bracing reinforcement frame is in a groined structure and comprises two transverse bracing reinforcement bars and two vertical bracing reinforcement bars which are vertically and horizontally arranged; the tail ends of the two transverse supporting steel bars and the two vertical supporting steel bars are respectively inserted into the slope protection blocks.

The internal bracing reinforcing bar frame that is well font structure has not only improved the structural strength of bank protection piece, can not influence moreover and plant bush or grass planting in planting hole department.

Further, mesh sheets are further paved in the plant growth holes of the slope protection blocks, and the mesh sheets are connected with the inner support steel bar frames through binding belts.

Through setting up the net piece in planting hole department, can separate two regions around planting hole department into, separate the earth of planting hole department at the back of net piece, reduced the loss volume of earth, also do benefit to the root system of bush or grass planting and take root and attach.

Further, the grouting connecting pipe is a square pipe, and the pipe groove is a square groove or a U-shaped groove.

Further, two opposite side walls of the grouting connecting pipe are respectively provided with at least one row of overflow holes distributed at intervals.

Further, at least one row of counter sunk holes distributed at intervals are respectively arranged on two opposite side walls of the pipe groove.

Further, the inner wall of the pipe groove is provided with a chiseled surface.

The beneficial effects of the utility model are as follows: through setting up the piping at the top and the bottom of every bank protection piece, when splice the bank protection piece on river course side slope from bottom to top, the piping of two vertical adjacent bank protection pieces is spliced mutually and is closed up and form the pipe passageway, arrange the grout connecting pipe in the pipe passageway, utilize the grout connecting pipe to pour into the pipe passageway with concrete mortar, concrete mortar fills in grout connecting pipe, pipe passageway and counter bore, realize the connection and the reinforcement of vertical adjacent bank protection piece after solidifying, make the polylith bank protection piece connect and form overall structure, it is unstable to have solved current bank protection piece connection, easily drop, the poor problem of stability.

Drawings

Fig. 1 is a schematic perspective view of a concrete precast slope protection member according to the present utility model.

Fig. 2 is a schematic perspective view of a slope protection block in fig. 1.

Fig. 3 is a schematic side cross-sectional view of fig. 2.

Fig. 4 is a schematic structural view of the mesh after being hidden in fig. 2.

Fig. 5 is a schematic perspective view of a grouting connection pipe in fig. 1.

Fig. 6 is a schematic structural view of a grouting connecting pipe arranged in a pipe channel after splicing two slope protection blocks.

Fig. 7 is a schematic view of the structure of the grouting connecting pipe in fig. 6 after grouting.

In the figure, 10-slope protection blocks; 11-a tube groove; 12-tube channel; 13-countersink; 14-plant growing holes; 20-grouting connecting pipes; 21-overflow aperture; 22-grouting openings; 30-internal bracing of the steel bar frame; 40-mesh sheet; 50-ribbon.

Detailed Description

The utility model is described in further detail below with reference to the drawings and specific examples.

As shown in fig. 1 to 7, the concrete prefabricated slope protection member includes a plurality of slope protection blocks 10 and a plurality of grouting connection pipes 20; the number of the slope protection blocks 10 and the grouting connection pipes 20 is determined according to the area of the river slope.

The center of each revetment block 10 is provided with a plant-growing hole 14, and the plant-growing hole 14 refers to a hole formed in the revetment block 10 and is used for planting shrubs or grass. The slope protection blocks 10 are prefabricated structures, and are prefabricated in a concrete prefabrication factory, and the sizes of the slope protection blocks 10 are the same. At least the heights are the same, the lengths can be the same or integral multiples, for example, the front faces of a part of the slope protection blocks 10 are square, the front faces of a part of the slope protection blocks 10 are rectangular, the heights of the rectangular and square are the same, and the length of the rectangular is twice or three times that of the square.

As shown in fig. 1, the top and bottom ends of the slope protection block 10 are respectively provided with a horizontal pipe groove 11, and the side wall of the pipe groove 11 is provided with a counter bore 13; the two opposite side walls of the pipe groove 11 are respectively provided with at least one row of counter sunk holes 13 distributed at intervals. The counter bore 13 may be a circular bore or a tapered bore.

The pipe grooves 11 of two vertically adjacent slope protection blocks 10 are spliced and folded to form a pipe channel 12. The size of the pipe groove 11 arranged at the top end and the bottom end of each slope protection block 10 is the same, when the two slope protection blocks 10 are spliced in the height direction, the pipe groove 11 at the bottom end of one slope protection block 10 positioned above is spliced and folded with the pipe groove 11 at the top end of one slope protection block 10 positioned below, so that a closed annular pipe channel 12 is formed.

The pipe groove 11 is a square groove or a U-shaped groove, wherein the square groove is a groove with an unsealed top end and a rectangular vertical section. As shown in fig. 6, when the pipe grooves 11 of the two slope protection blocks 10 are fastened, the vertical section of the formed pipe passage 12 is rectangular.

The grouting connecting pipe 20 is arranged in the pipe channel 12, one end of the grouting connecting pipe 20 is closed, the other end is provided with a grouting opening 22 for grouting concrete mortar into the grouting connecting pipe 20, and the side wall of the grouting connecting pipe 20 is provided with an overflow hole 21. The grouting connecting pipe 20 is a square pipe, and the grouting connecting pipe 20 can be a metal square pipe or a plastic square pipe. The grouting connection pipe 20 has a length greater than that of the two slope protection blocks 10, so that the splicing of at least two groups, i.e., four slope protection blocks 10 can be realized. The grouting connecting pipe 20 can comprise a plurality of sections of sub-connecting pipes and a tail end pipe, the plurality of sections of sub-connecting pipes are spliced, and are connected with the tail end pipe after being spliced to form the grouting connecting pipe 20, the grouting connecting pipe 20 is split into the tail end pipe and the sub-connecting pipe, so that the grouting connecting pipe is beneficial to transportation, and the length of the grouting connecting pipe is also convenient to flexibly adjust according to the paving quantity of the slope protection block 10. The son connecting pipes are hollow square pipes with two ends being communicated, the tail end pipes are hollow square pipes with one end being open and the other end being closed, the one ends of the son connecting pipes are provided with shrinking portions, the other ends of the son connecting pipes are provided with expanding portions, and when two adjacent son connecting pipes need to be butted, one shrinking portion of one of the son connecting pipes is spliced to the expanding portion of the other son connecting pipe, so that the splicing of the two son connecting pipes is realized. Similarly, the end tube provided with an opening is also provided with a shrinking opening or flaring portion for butt joint with the flaring portion or shrinking opening of the sub connecting tube.

The two opposite sidewalls of the grout joint pipe 20 are respectively provided with at least one row of overflow holes 21 spaced apart. In this embodiment, each sidewall of the grout joint pipe 20 is provided with two rows of overflow holes 21. In order to facilitate better connection of the concrete mortar with the slope protection block 10, the inner wall of the pipe groove 11 is provided with a chiseled surface. As shown in fig. 7, after the grouting connection pipe 20 is filled with concrete mortar, the concrete mortar flows out from the overflow hole 21 into a gap between the grouting connection pipe 20 and the pipe groove 11, the pipe groove 11 is filled with concrete mortar, the pipe channel 12 is filled with concrete mortar, the counter bore 13 is further filled with concrete mortar, the grouting opening 22 is blocked until the concrete mortar is solidified to the required strength after grouting is completed, and spray curing is performed. After the concrete mortar is solidified, a concrete strip is formed, the concrete strip is used for effectively connecting the slope protection blocks 10 at the top end and the bottom end of the grouting connecting pipe 20 into a whole, a plurality of rows of slope protection blocks 10 can be connected into a whole through a plurality of concrete strips, and the whole slope protection block 10 is formed, even if the soil at the back of a certain block is loose, the whole slope protection block 10 cannot fall off or slide, and has good stability.

Since the plant-growing holes 14 are formed in the slope protection block 10, the structural strength is reduced, and in order to improve the strength, as shown in fig. 2-4, an inner support reinforcing steel bar frame 30 is arranged in the plant-growing holes 14 of the slope protection block 10, and the end parts of the inner support reinforcing steel bar frames 30 are inserted into the slope protection block 10. The inner supporting reinforcement frame 30 is in a cross structure and comprises two transverse supporting reinforcement bars and two vertical supporting reinforcement bars which are vertically and horizontally arranged; the ends of the two transverse supporting steel bars and the two vertical supporting steel bars are respectively inserted into the slope protection block 10.

The opening size of the plant growing holes 14 can be enlarged by the internal stay bar frame 30 so as to increase the planting amount of the shrubs or the grass.

In order to further limit soil loss at the back of the slope protection block 10 and facilitate grass planting, a net sheet 40 is further paved in the plant growth holes 14 of the slope protection block 10, and the net sheet 40 and the internal supporting steel bar frame 30 are connected in a binding manner through a binding belt 50, and can be bound by steel wires. The mesh 40 is disposed at the center of the plant-growing hole 14 of the slope protection block 10, and the distances between the front and back surfaces of the slope protection block 10 and the mesh 40 are the same. In other words, the mesh 40 divides the plant-growing holes 14 into front and rear areas, soil is distributed in the area of the plant-growing holes 14 located at the back of the mesh 40, and the area of the plant-growing holes 14 located at the front of the mesh 40 is the front of the top end of the slope protection block 10, and no soil exists. Even if the soil on the back of the slope protection block 10 overflows into the plant growing holes 14, the soil is blocked by the net 40, so that the soil loss is reduced. In addition, the mesh 40 provides effective attachment support for the root system of the plant when planting shrubs or turf, and the planting is more convenient and quick.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the utility model without departing from the principles thereof are intended to be comprehended by those skilled in the art and are intended to be within the scope of the utility model.

Claims (8)

1. The concrete prefabricated slope protection component is characterized by comprising a plurality of slope protection blocks and a plurality of grouting connecting pipes; the center of each slope protection block is provided with a plant growing hole, the top end and the bottom end of each slope protection block are respectively provided with a horizontal pipe groove, and the side wall of each pipe groove is provided with a countersunk hole; the pipe grooves of two vertically adjacent slope protection blocks are spliced and folded to form a pipe channel; the grouting connecting pipe is arranged in the pipe channel, one end of the grouting connecting pipe is closed, the other end of the grouting connecting pipe is provided with a grouting opening for grouting concrete mortar into the grouting connecting pipe, and the side wall of the grouting connecting pipe is provided with an overflow hole.

2. The precast concrete slope protection member of claim 1, wherein an inner support reinforcement frame is arranged in the plant growth hole of the slope protection block, and the end part of the inner support reinforcement frame is inserted into the slope protection block.

3. The precast concrete slope protection member according to claim 2, wherein the internal bracing reinforcement frame has a cross structure and comprises two transverse bracing reinforcement bars and two vertical bracing reinforcement bars which are vertically and horizontally arranged; the tail ends of the two transverse supporting steel bars and the two vertical supporting steel bars are respectively inserted into the slope protection blocks.

4. A precast concrete slope protection member according to claim 3, wherein mesh sheets are further laid in the plant growth holes of the slope protection blocks, and the mesh sheets are connected with the internal support steel bar frame through binding belts.

5. The precast concrete slope protection member of claim 1, wherein the grouting connecting pipe is a square pipe, and the pipe groove is a square groove or a U-shaped groove.

6. A precast concrete slope protection member according to claim 1, wherein two opposite side walls of the grouting connecting pipe are respectively provided with at least one row of overflow holes distributed at intervals.

7. A precast concrete slope protection member as claimed in claim 1, wherein two opposite side walls of the pipe groove are respectively provided with at least one row of counter sunk holes distributed at intervals.

8. A precast concrete slope protection member as claimed in claim 1, wherein an inner wall of the pipe groove is provided with a chiseled surface.

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