CN110725326A - A kind of geotechnical engineering slope reinforcement device and reinforcement method - Google Patents

Abstract

The invention discloses a geotechnical engineering slope reinforcement device and reinforcement method. The device comprises a plurality of reinforcement columns arranged inside the side slope, the upper end of each reinforcement column is provided with a first connector, and the lower end of each reinforcement column is A second connection head is provided, one or more threaded connection holes are arranged on the side wall of the second connection head, and a plurality of transverse reinforcement rods are also arranged inside the slope, and one end of each reinforcement rod is provided with a threaded connection hole. Matching external threads, the second connection head of each reinforcement column is threadedly connected with at least one reinforcement rod; the end of each reinforcement rod outside the slope is provided with a third connection head, and each third connection head is connected with the adjacent No. A connector is connected by a soil-fixing cable; each soil-fixing cable is also connected with a plurality of lateral soil-fixing strips arranged along the direction of the slope. The invention makes the landslide force generated locally on the side slope no longer mainly applied to the local reinforcement device under the landslide, but disperses the landslide force to the whole reinforcement device, thereby reducing the stress on the local structure of the reinforcement device.

Description

A kind of geotechnical engineering slope reinforcement device and reinforcement method

technical field

The invention relates to the technical field of geotechnical engineering, in particular to a reinforcement device and reinforcement method for a geotechnical engineering slope.

Background technique

With the rapid economic development and the continuous expansion of the construction scale, engineering slopes, natural slopes and landslides appear in large numbers in engineering projects, and the slope collapse will cause great harm to the lives and properties of the people. Major issues must be addressed. my country is a country where landslide geological disasters are widely distributed and occur frequently, and landslides are almost all over the country. Slope collapse can damage various buildings, destroy roads and railways, flood villages and towns, destroy farmland and forests, block rivers, and seriously threaten the safety of life and property of the general public. Slope reinforcement has always been a problem often encountered in the construction of transportation, water conservancy and hydropower, mining, national defense and other projects. It is of great significance to study and prevent slope landslides.

The geotechnical engineering slope reinforcement device in the prior art cannot integrate the entire side slope with the reinforcement device, and it is difficult to disperse the local landslide impact force of the side slope to the entire reinforcement device, and the landslide of the side slope often occurs locally. When a local landslide occurs, the corresponding part of the reinforcement device cannot withstand the impact force brought by the landslide and is damaged by the impact force.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the above-mentioned problems in the prior art, and to provide a geotechnical engineering slope reinforcement device and reinforcement method.

The technical scheme of the present invention is: a geotechnical engineering side slope reinforcement device, comprising a plurality of longitudinal reinforcement columns fixed inside the side slope along the direction of the side slope, the upper ends of the plurality of reinforcement columns are all located outside the side slope and There is a first connector, the lower ends of the plurality of reinforcement columns are all provided with a second connector, the side wall of the second connector is provided with one or more threaded connection holes, and the inside of the slope is also provided with A plurality of transverse reinforcement rods, one end of each reinforcement rod is located outside the slope, the other end of each reinforcement rod is provided with an external thread matching the threaded connection hole, and a second connection head at the lower end of each reinforcement rod is provided It is connected with at least one reinforcing rod through a threaded connection hole and an external thread; the end of each reinforcing rod located outside the slope is provided with a third connecting head, and each third connecting head is connected with the adjacent first connecting head. Connected by soil-fixing cables; the geotechnical engineering slope reinforcement device also includes a plurality of lateral soil-fixing bars closely attached to the surface of the side slope and arranged along the slope direction, and between each soil-fixing cable and each lateral soil-fixing bar are connected by connectors.

The above-mentioned lateral soil-fixing strips are fixed to the side slope through a plurality of anchor rods arranged along the longitudinal direction thereof.

The above-mentioned anchor rod includes a conical rod body, the tip of the conical rod body is inserted into the inside of the slope, the other end of the conical rod body is fixed with the lateral soil fixing strip, and a plurality of barbs are arranged on the side wall of the conical rod body. .

The above-mentioned reinforcing columns and transverse soil-fixing bars are all made of reinforced concrete; the first connecting head, the second connecting head and the reinforcing rod are all made of steel materials; the soil-fixing cables are steel strands.

A method for strengthening a geotechnical engineering slope, comprising the following steps:

Step 1: Drill a plurality of longitudinal channels for inserting reinforcement columns on the side slope along the longitudinal direction of the side slope, and insert a reinforcement column into each longitudinal channel, wherein the end of the reinforcement column with the second connector is downward ;

Step 2: Drill a plurality of transverse channels for inserting reinforcing rods on the side slope along the longitudinal direction of the side slope, and the drilling direction of each transverse channel is aligned with the corresponding second connector;

Step 3: Insert a reinforcement rod into each transverse channel, wherein the end of the reinforcement rod with the external thread faces inward. After inserting the reinforcement rod, rotate the corresponding reinforcement column so that the threaded connection hole on the reinforcement column is connected to the reinforcement rod. Align the external thread end of the reinforced rod, and turn the reinforcement rod to make the reinforcement rod and the reinforcement column threaded;

Step 4: Fix multiple lateral soil-fixing strips on the slope along the direction of the slope, and connect the soil-fixing cables between each first connector and the corresponding third connector; The part where the earth cables intersect is provided with a connecting piece connecting the two;

Step 5: Pour mortar into the gaps of each longitudinal channel and transverse channel, and after the mortar solidifies, the reinforcement columns and reinforcement rods are fixed in the slope.

Beneficial effects of the present invention: In the embodiment of the present invention, a geotechnical engineering side slope reinforcement device and reinforcement method are provided, through a plurality of reinforcement columns and reinforcement rods fixed inside the side slope along the direction of the side slope, and There are multiple soil-fixing cables connected between the reinforcement columns and reinforcement rods, and with a number of lateral soil-fixing strips, the entire slope is fixed as a whole, making it difficult for local landslides to occur, and the locally generated landslide force It will be dispersed to the slope itself through the above components, and the present invention makes the landslide force generated locally on the slope no longer mainly applied to the local reinforcement device under the landslide, but disperses the landslide force to the reinforcement device of the entire slope, thereby The stress on the local structure of the reinforcement device is reduced, so that the reinforcement of the slope is more reliable and stable.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

FIG. 2 is a schematic diagram of the structure of the anchor rod of the present invention.

Detailed ways

A specific embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.

As shown in FIG. 1 , an embodiment of the present invention provides a geotechnical engineering slope reinforcement device and reinforcement method, wherein the reinforcement device includes a plurality of longitudinal reinforcement columns 2 fixed to the interior of the side slope 1 along the direction of the side slope 1 . The upper ends of the plurality of reinforcement columns 2 are located outside the side slope 1 and are provided with a first connector 8 , and the lower ends of the plurality of reinforcement columns 2 are provided with a second connector 5 , and the side of the second connector 5 is provided. One or more threaded connection holes 5-1 are arranged on the wall, and a plurality of transverse reinforcement rods 4 are also arranged inside the side slope 1. One end of each reinforcement rod 4 is located outside the side slope 1. The other end of 4 is provided with an external thread that matches the threaded connection hole 5-1, and the second connection head 5 at the lower end of each reinforcement column 2 and at least one reinforcement rod 4 pass through the threaded connection hole 5-1 and the external thread thread. Connection; each reinforcing rod 4 is provided with a third connecting head 10 at one end outside the side slope 1, and each third connecting head 10 is connected with the adjacent first connecting head 8 through a soil-fixing cable 7 The geotechnical engineering slope reinforcement device also includes a plurality of lateral soil-fixing bars 3 that are closely attached to the surface of the side slope 1 and are set along the direction of the side slope 1, and each soil-fixing cable 7 and each lateral soil-fixing bar 3 pass through each other. The connecting piece 9 is connected. In this embodiment, a plurality of reinforcement columns and reinforcement rods fixed inside the side slope along the direction of the side slope, and a plurality of soil-reinforcing cables located on the slope surface and connected between the reinforcement columns and reinforcement rods are used together with a plurality of lateral The soil-fixing strips make the entire slope fixed as a whole, making it less prone to local landslides, and the locally generated landslide force will be dispersed to the slope itself through the above components, reducing the local impact of the local landslide on the reinforcement device on the slope. impact to come.

Further, the transverse soil fixing strip 3 is fixed to the side slope 1 by a plurality of anchor rods 6 arranged along the longitudinal direction thereof, and each anchor rod 6 is fixed on the side slope.

Further, referring to FIG. 2 , the anchor rod 6 includes a tapered rod body 6-1, the tip of the tapered rod body 6-1 is inserted into the interior of the side slope 1, and the other end of the tapered rod body 6-1 is fixed to the lateral The soil strips 3 are fixed to each other, and the side wall of the tapered rod body 6-1 is provided with a plurality of barbs 6-2, so that the anchor rod is stably fixed inside the slope and is not easily pulled out by the landslide force.

Further, the reinforcement column 2 and the lateral soil reinforcement bar 3 are all made of reinforced concrete; the first connector 8, the second connector 5 and the reinforcement rod 4 are all made of steel; the soil reinforcement is The cable 7 is a steel strand.

The geotechnical engineering slope reinforcement method of the present invention comprises the following steps:

Step 1: Drill a plurality of longitudinal channels for inserting reinforcement columns 2 on the side slope 1 along the longitudinal direction of the side slope 1, and insert a reinforcement column 2 into each longitudinal channel, wherein the reinforcement columns 2 are provided with a second connection One end of the head 5 is downward;

Step 2: Drill a plurality of transverse channels for inserting the reinforcement rods 4 on the side slope 1 along the longitudinal direction of the side slope 1, and the drilling direction of each transverse channel is aligned with the corresponding second connector 5;

Step 3: Insert a reinforcement rod 4 into each transverse channel, wherein the end of the reinforcement rod 4 with the external thread faces inward. After inserting the reinforcement rod 4, turn the corresponding reinforcement column 2 to make the thread on the reinforcement column 2 The connecting hole 5-1 is aligned with the external thread end of the reinforcement rod 4, and the reinforcement rod 4 is rotated so that the reinforcement rod 4 is threadedly connected with the reinforcement column 2;

Step 4: Fix multiple lateral soil-fixing strips 3 on the slope 1 along the direction of the slope 1, and connect the soil-fixing cables 7 between each first connector 8 and the corresponding third connector 10; A connecting piece 9 connecting the two is provided at the intersection of the soil strip 3 and each soil-fixing cable 7;

Step 5: Pour mortar into the gaps of each longitudinal channel and transverse channel, and after the mortar solidifies, the reinforcement column 2 and the reinforcement rod 4 are fixed in the slope 1.

To sum up, the geotechnical engineering side slope reinforcement device and reinforcement method provided by the embodiments of the present invention, through a plurality of reinforcement columns and reinforcement rods fixed inside the side slope along the direction of the side slope, and the reinforcement Multiple soil-fixing cables between columns and reinforcement rods, together with multiple lateral soil-fixing strips, make the entire slope fixed as a whole, making it less prone to local landslides, and the locally generated landslide force will pass through the above-mentioned various slopes. The components are dispersed on the slope itself, and the present invention makes the landslide force generated locally on the slope no longer mainly applied to the local reinforcement device under the landslide, but disperses the landslide force to the reinforcement device of the entire slope, thereby reducing the need for reinforcement devices. The stress on the local structure makes the reinforcement of the slope more reliable and stable.

The above disclosures are only a few specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims (5)

1. A geotechnical engineering slope reinforcing device is characterized by comprising a plurality of longitudinal reinforcing columns (2) which are fixed inside a slope (1) along the trend of the slope (1), the upper ends of the reinforcing columns (2) are all positioned outside the side slope (1) and are provided with a first connecting head (8), the lower ends of the reinforcing columns (2) are respectively provided with a second connector (5), the side wall of each second connector (5) is provided with one or more threaded connecting holes (5-1), a plurality of transverse reinforcing rods (4) are further arranged inside the side slope (1), one end of each reinforcing rod (4) is located outside the side slope (1), an external thread matched with the threaded connecting hole (5-1) is arranged at the other end of each reinforcing rod (4), and the second connector (5) at the lower end of each reinforcing column (2) is in threaded connection with at least one reinforcing rod (4) through the threaded connecting hole (5-1) and the external thread; one end of each reinforcing rod (4) positioned outside the side slope (1) is provided with a third connector (10), and each third connector (10) is connected with the adjacent first connector (8) through a soil-fixing inhaul cable (7); the geotechnical engineering slope reinforcement device further comprises a plurality of transverse soil fixing strips (3) which are tightly attached to the surface of the slope (1) and arranged along the trend of the slope (1), and each soil fixing inhaul cable (7) is connected with each transverse soil fixing strip (3) through a connecting piece (9).

2. Geotechnical slope reinforcement according to claim 1, characterised in that said transverse soil-securing strips (3) are fixed to the slope (1) by means of a plurality of anchor rods (6) arranged in the longitudinal direction thereof.

3. The geotechnical slope reinforcement device according to claim 2, wherein said anchor rod (6) comprises a tapered rod body (6-1), the tip of the tapered rod body (6-1) is inserted into the slope (1), the other end of the tapered rod body (6-1) is fixed with said transverse soil fixation bar (3), and the side wall of the tapered rod body (6-1) is provided with a plurality of barbs (6-2).

4. The geotechnical slope reinforcement device according to claim 1, wherein said reinforcement columns (2) and said transverse soil-reinforcing bars (3) are made of reinforced concrete; the first connector (8), the second connector (5) and the reinforcing rod (4) are all made of steel materials; the soil-fixing inhaul cable (7) is a steel strand.

5. A geotechnical engineering slope reinforcement method is characterized by comprising the following steps:

step 1: drilling a plurality of longitudinal channels for inserting the reinforcing columns (2) in the side slope (1) along the longitudinal direction of the side slope (1), and inserting one reinforcing column (2) in each longitudinal channel, wherein one end, provided with a second connector (5), of each reinforcing column (2) faces downwards;

step 2: drilling a plurality of transverse channels for inserting the reinforcing rods (4) on the side slope (1) along the longitudinal direction of the side slope (1), wherein the drilling direction of each transverse channel is aligned with the corresponding second connector (5);

and step 3: inserting a reinforcing rod (4) into each transverse channel, wherein one end, provided with an external thread, of each reinforcing rod (4) is inward, rotating the corresponding reinforcing column (2) after the reinforcing rods (4) are inserted, so that the threaded connecting holes (5-1) in the reinforcing columns (2) are aligned with the external thread ends of the reinforcing rods (4), and rotating the reinforcing rods (4) to enable the reinforcing rods (4) to be in threaded connection with the reinforcing columns (2);

and 4, step 4: a plurality of transverse soil fixing strips (3) are fixed on the side slope (1) along the direction of the side slope, and soil fixing inhaul cables (7) are connected between each first connector (8) and the corresponding third connector (10); and a connecting piece (9) for connecting the transverse soil fixing strips (3) and the soil fixing inhaul cables (7) is arranged at the crossed part of the transverse soil fixing strips and the soil fixing inhaul cables;

and 5: mortar is poured into the gaps of the longitudinal channels and the transverse channels, and after the mortar is solidified, the reinforcing columns (2) and the reinforcing rods (4) are fixed in the side slopes (1).

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