CN220365017U - Side slope supporting structure - Google Patents

Abstract

The application relates to the field of slope construction, in particular to a slope support structure, which comprises a plurality of sleeves, connecting pipes and reinforcing rods, wherein the sleeves and the connecting pipes are distributed along the axial direction of a placement hole, two adjacent sleeves are respectively installed at two ends of the connecting pipe, the outer walls of the sleeves and the connecting pipes are tightly attached to the inner wall of the placement hole, and the inner wall of the sleeves is flush with the inner wall of the connecting pipe; the reinforcing rod comprises a steel pipe soil nail and supporting rings, the supporting rings are provided with a plurality of steel pipe soil nails and a plurality of supporting rings which are all positioned in the sleeve pipe and the connecting pipe, the supporting rings are coaxially and fixedly arranged on the steel pipe soil nail and distributed along the length direction of the steel pipe soil nail, the supporting rings are tightly attached to the inner wall of the sleeve pipe and the connecting pipe, a plurality of grouting holes penetrating the steel pipe soil nail along the thickness direction of the steel pipe soil nail are formed in the outer peripheral surface of the steel pipe soil nail, and the grouting holes are distributed along the length direction of the steel pipe soil nail. The application has the effect of reducing the occurrence of hole collapse of the placing hole during soil nailing wall construction.

Description

Side slope supporting structure

Technical Field

The application relates to the field of slope construction, in particular to a slope support structure.

Background

In construction or engineering construction, the conditions of complicated geological conditions, high and steep slopes and the like exist. If the support is not carried out, the side slope may collapse, so that personnel casualties and property loss are caused, and the side slope collapse also can damage the surrounding ecological environment, such as soil loss, water source pollution and the like.

In order to reduce the occurrence of the condition of slope collapse, constructors can support the slope by adopting soil nailing walls. The construction method of the soil nailing wall is as follows: firstly, the slope is dug and filled to a designated slope, and after the slope is determined, the first concrete injection is carried out on the slope. Then, a placing hole with a specified angle is drilled on the slope, and the reinforced soil nails are placed into the placing hole from the slope along the extending direction of the placing hole and are injected into the placing hole. And then, a plurality of water discharge holes are formed in the slope surface, a reinforcing mesh is covered, and after the reinforcing mesh is covered, the basic work of soil nailing wall construction is completed by performing secondary concrete spraying.

In the prior art, in order to be convenient for set up the reinforcing bar soil nail in the axis of placing the hole, the outer peripheral face of reinforcing bar soil nail is provided with a plurality of soil nail centering support generally, and a plurality of soil nail supports are the "several" font bent lever that is formed by the bending of a reinforcing bar or the welding of many reinforcing bars, and a plurality of soil nail supports divide around the axis circumference of soil nail. The soil nail support sets up along the length direction of reinforcing bar soil nail to the both ends of soil nail support welded fastening respectively set up in the reinforcing bar soil nail. When the reinforced soil nails are placed in the placing holes, the middle parts of the soil nails are abutted against the inner walls of the placing holes.

Aiming at the related technology, when the reinforced soil nails are placed into the placing holes from the slope along the extending direction of the placing holes, the reinforced soil nails and the soil nail brackets are easy to be embedded into the inner walls of the placing holes, and cause larger disturbance to soil bodies forming the inner walls of the placing holes. When the soil mass forming the inner wall of the placing hole is loose or the water content is high, the inner wall of the placing hole is easy to damage under the disturbance of the reinforced soil nails and the soil nail brackets, so that the placing hole is collapsed, and the normal operation of soil nail wall construction is affected.

Disclosure of Invention

In order to reduce the occurrence of the condition of hole collapse of a placing hole during soil nailing wall construction, the application provides a side slope supporting structure.

The application provides a side slope supporting construction adopts following technical scheme:

the side slope supporting structure comprises a plurality of sleeves, connecting pipes and reinforcing rods, wherein the sleeves and the connecting pipes are distributed along the axial direction of a placing hole, two adjacent sleeves are respectively arranged at two ends of the connecting pipe, the outer walls of the sleeves and the connecting pipes are tightly attached to the inner wall of the placing hole, and the inner wall of the sleeves is flush with the inner wall of the connecting pipe; the reinforcing rod comprises a steel pipe soil nail and supporting rings, the supporting rings are provided with a plurality of steel pipe soil nails and a plurality of supporting rings which are all positioned in the sleeve pipe and the connecting pipe, the supporting rings are coaxially and fixedly arranged on the steel pipe soil nail and distributed along the length direction of the steel pipe soil nail, the supporting rings are tightly attached to the inner wall of the sleeve pipe and the connecting pipe, a plurality of grouting holes penetrating the steel pipe soil nail along the thickness direction of the steel pipe soil nail are formed in the outer peripheral surface of the steel pipe soil nail, and the grouting holes are distributed along the length direction of the steel pipe soil nail.

Through adopting above-mentioned technical scheme, sleeve pipe and connecting pipe paste the inner wall in placing the hole tightly, for placing the hole and provide the support, increased the structural stability who places the hole. Secondly, steel pipe soil nail and holding ring all are located sleeve pipe and connecting pipe, have reduced the emergence of the condition that steel pipe soil nail and holding ring imbed and have placed the hole inner wall to the emergence of the condition that steel pipe soil nail and holding ring destroyed and place the hole structure has been reduced. Then, the steel pipe soil nails are used for replacing the reinforced soil nails, so that the occurrence of the condition of adopting the large-diameter reinforced soil nails is reduced, and the construction cost is reduced. In addition, for steel pipe soil nail and the reinforcing bar soil nail of same diameter, steel pipe soil nail and the area of contact of the concrete that is used for the slip casting are bigger than the reinforcing bar soil nail, are favorable to reducing the emergence of steel pipe soil nail from the condition that concrete breaks away from, and then increase the factor of safety of side slope, are favorable to the normal clear of soil nail wall construction. And finally, when grouting is carried out, the sleeve is gradually taken out from the placing hole, so that the effective joint of the concrete for grouting and the soil body on the inner wall of the placing hole is ensured, the bonding force between the concrete and the soil body is increased, the safety coefficient of a side slope is further increased, and the normal operation of soil nailing wall construction is facilitated.

Alternatively, two adjacent sleeves are respectively in threaded fit with two ends of the connecting pipe.

Through adopting above-mentioned technical scheme, when taking out the sleeve pipe gradually from placing downthehole, only need rotate the sleeve pipe can make the sleeve pipe dismantle from another adjacent sleeve pipe, convenient and fast. Meanwhile, the sleeve outside the placing hole is detached from the sleeve inside the placing hole, so that stability of the sleeve inside the placing hole is guaranteed, and the possibility that the sleeve inside the placing hole shakes and inclines under the action of gravity of the sleeve inside the placing hole is reduced.

Optionally, the plurality of sleeves are all internal thread pipes, the coaxial fixed locating ring that is provided with of the inner wall of connecting pipe, and the locating ring sets up near the middle part of connecting pipe, and when a plurality of sleeves were installed respectively in each connecting pipe, the both sides of locating ring were supported tightly respectively to the double-phase double-pipe.

Through adopting above-mentioned technical scheme, when a plurality of sleeve pipes are installed respectively in each connecting pipe, two sides of tight holding ring are supported respectively to the adjacent sleeve pipe, are favorable to making the adjacent sleeve pipe install in the both ends of connecting pipe respectively steadily, reduce the sleeve pipe and do not have sufficient screw thread section and supply the emergence of the condition that one of them sleeve pipe installed.

Optionally, the positioning ring includes annular fixed part and annular cushion, and annular cushion is provided with two, and two annular cushions are respectively filled up and are inlayed the both sides of locating annular fixed part, and when a plurality of sleeve pipes were installed respectively in each connecting pipe, adjacent sleeve pipes were supported each annular cushion respectively tightly.

Through adopting above-mentioned technical scheme, annular seal cushion is favorable to reducing the space of junction between sleeve pipe and the connecting pipe to be favorable to reducing the mortar of the concrete of infiltration screw thread, be convenient for dismantle the sleeve pipe that is located outside the hole of placing from the sleeve pipe that is located in the hole of placing.

Optionally, the outer circumferential surface of the sleeve is flush with the outer circumferential surface of the connecting tube.

Through adopting above-mentioned technical scheme, stretch into sleeve pipe and connecting pipe and place the hole or take out from placing the hole, sleeve pipe and connecting pipe of outer peripheral face parallel and level are favorable to reducing sleeve pipe and connecting pipe to the disturbance of placing the inner wall of hole, not only are convenient for stretch into sleeve pipe and connecting pipe and place the hole or take out from placing the hole, are favorable to reducing the emergence of placing the condition that the hole collapsed the hole again.

Optionally, the support ring is provided with a plurality of through holes penetrating along the thickness direction of the support ring.

Through adopting above-mentioned technical scheme, the concrete interconnect who is used for pouring between two support rings is favorable to increasing the wholeness of the concrete between each support ring, increases the structural strength of concrete.

Optionally, the support ring is coaxially and fixedly provided with an annular protrusion, and the annular protrusion is tightly attached to the inner walls of the sleeve and the connecting pipe.

Through adopting above-mentioned technical scheme, the annular protruding inner wall that pastes sleeve pipe and connecting pipe that is favorable to increasing the stability of junction between supporting ring and sleeve pipe or the connecting pipe to reduce the emergence that supporting ring rocked or the condition of slope.

Optionally, the grouting holes are arranged in the middle and at one end of the steel pipe soil nail.

Through adopting above-mentioned technical scheme, the concrete for slip casting is from placing the bottom of hole and filling gradually and place the hole, is favorable to guaranteeing the compactibility of concrete to be favorable to increasing the structural strength of concrete.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the inner wall in hole is placed in close proximity to sleeve pipe and connecting pipe, for placing the hole and providing the support, has increased the structural stability in placing the hole. Secondly, steel pipe soil nail and holding ring all are located sleeve pipe and connecting pipe, have reduced the emergence of the condition that steel pipe soil nail and holding ring imbed and have placed the hole inner wall to the emergence of the condition that steel pipe soil nail and holding ring destroyed and place the hole structure has been reduced. Then, the steel pipe soil nails are used for replacing the reinforced soil nails, so that the occurrence of the condition of adopting the large-diameter reinforced soil nails is reduced, and the construction cost is reduced. In addition, for steel pipe soil nail and the reinforcing bar soil nail of same diameter, steel pipe soil nail and the area of contact of the concrete that is used for the slip casting are bigger than the reinforcing bar soil nail, are favorable to reducing the emergence of steel pipe soil nail from the condition that concrete breaks away from, and then increase the factor of safety of side slope, are favorable to the normal clear of soil nail wall construction. And finally, when grouting is carried out, the sleeve is gradually taken out from the placing hole, so that the effective joint of the concrete for grouting and the soil body on the inner wall of the placing hole is ensured, the bonding force between the concrete and the soil body is increased, the safety coefficient of a side slope is further increased, and the normal operation of soil nailing wall construction is facilitated.

2. When the sleeve is gradually taken out from the placing hole, the sleeve can be detached from the adjacent sleeve only by rotating the sleeve, so that the sleeve is convenient and quick. Meanwhile, the sleeve outside the placing hole is detached from the sleeve inside the placing hole, so that stability of the sleeve inside the placing hole is guaranteed, and the possibility that the sleeve inside the placing hole shakes and inclines under the action of gravity of the sleeve inside the placing hole is reduced.

3. When a plurality of sleeves are respectively arranged on each connecting pipe, two adjacent sleeves respectively abut against two sides of the positioning ring, so that the two adjacent sleeves are respectively and stably arranged at two ends of the connecting pipe, and the occurrence of the condition that one sleeve is not provided with enough thread segments for installation is reduced.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view of an embodiment of the present application.

Fig. 3 is a schematic view of the overall structure of the reinforcement bar according to the embodiment of the present application.

Reference numerals illustrate: 1. a sleeve; 2. a connecting pipe; 21. a positioning ring; 211. an annular positioning part; 212. an annular rubber cushion; 3. a reinforcing rod; 31. soil nails of the steel pipes; 32. a support ring; 321. a through hole; 322. an annular protrusion; 33. grouting holes; 4. slope; 41. an inclined plane; 42. the hole is placed.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a side slope supporting structure. Referring to fig. 1, the side slope support structure includes a sleeve 1, a connection pipe 2, a reinforcement rod 3, and a side slope 4.

Referring to fig. 1, the side slope 4 is provided with a slope 41, and the slope 41 is provided toward the toe of the side slope 4 from top to bottom. The inclined surface 41 is provided with a placement hole 42, and the placement hole 42 extends toward the inside of the side slope 4 in a direction away from the inclined surface 41. The sleeves 1 are provided with a plurality of sleeves 1 which are all arranged along the extending direction of the placing holes 42 and are uniformly distributed along the axis of the placing holes 42. The sleeve 1 is coaxially disposed with the placement hole 42, and the outer peripheral surface of the sleeve 1 is abutted against the inner wall of the placement hole 42 so as to provide support for the placement hole 42.

Referring to fig. 1 and 2, the connection pipes 2 are provided in a plurality, the connection pipes 2 are all internally threaded pipes, and the connection pipes 2 are respectively disposed between the adjacent sleeves 1. The connecting pipe 2 and the sleeve 1 are coaxially arranged, and two adjacent sleeves 1 are respectively in threaded fit with two ends of the connecting pipe 2. The outer wall of sleeve pipe 1 and the outer wall parallel and level of connecting pipe 2 to the roughness of the outer peripheral face of sleeve pipe 1 and the outer peripheral face of connecting pipe 2 is convenient for improve, reduces protruding and the sunken that the outer peripheral face of sleeve pipe 1 and the outer peripheral face of connecting pipe 2 exist, and then reduces the disturbance of sleeve pipe 1 and connecting pipe 2 to the inner wall of placing hole 42, is convenient for the placing and taking out of sleeve pipe 1 and connecting pipe 2, and is favorable to reducing the emergence of placing hole 42 under the effect of sleeve pipe 1 and connecting pipe 2 and collapse the condition in hole.

Referring to fig. 2, the inner wall of the connection pipe 2 is coaxially and fixedly provided with a positioning ring 21, and the positioning ring 21 includes an annular fixing portion and an annular rubber pad 212. The annular fixing part is fixedly arranged on the inner wall of the connecting pipe 2 in a coaxial welding way, and the annular fixing part is arranged close to the middle part of the connecting pipe 2 so as to ensure that the lengths of the thread sections at the two ends of the connecting pipe 2 are the same, thereby ensuring that each sleeve 1 in threaded fit with the two ends of the connecting pipe 2 is stably arranged on the connecting pipe 2, and reducing the occurrence of the condition that the sleeve 1 has no enough thread section for one sleeve 1 to be arranged; the annular rubber pads 212 are arranged at two, the two annular rubber pads 212 are respectively embedded at two sides of the annular fixing part, when a plurality of sleeves 1 are respectively installed on each connecting pipe 2, the two adjacent sleeves 1 respectively abut against each annular rubber pad 212 so as to reduce gaps between the sleeves 1 and the connecting pipes 2, and further reduce mortar of concrete penetrating into thread sections of the connecting pipes 2, thereby being beneficial to disassembling the sleeves 1 subsequently.

Referring to fig. 2 and 3, the reinforcing rod 3 includes a soil nail 31 of a steel pipe and a supporting ring 32, a plurality of grouting holes 33 penetrating the soil nail 31 of the steel pipe are formed on the outer circumferential surface of the soil nail 31 in the thickness direction thereof, and the plurality of grouting holes 33 are distributed in a quincuncial shape so that the grouting concrete is uniformly sprayed to the inner wall of the placement hole 42. Simultaneously, a plurality of grouting holes 33 evenly distributed in the middle part of steel pipe soil nail 31 and the one end that is close to the bottom of placing hole 42 to make the concrete fill gradually from the bottom of placing hole 42 and place hole 42, reduce the bubble in the concrete, ensure the compactibility of concrete, thereby increase the structural strength of concrete, increase the factor of safety of side slope 4.

Referring to fig. 1 and 2, the support rings 32 are provided in a plurality of circular plate shapes, and the plurality of support rings 32 are uniformly distributed along the length direction of the steel pipe soil nails 31. The support ring 32 is coaxially and fixedly provided on the outer circumferential surface of the steel pipe soil nail 31. The inner wall of sleeve pipe 1 and the inner wall parallel and level setting of connecting pipe 2, the inner wall of support ring 32 close to sleeve pipe 1 and the inner wall of connecting pipe 2 to make steel pipe soil nail 31 set up along the axis of placing hole 42, ensure the accuracy of construction. The support ring 32 is provided with through holes 321 penetrating through the support ring 32 in the thickness direction thereof, and in the embodiment of the present application, the number of the through holes 321 is four, and the four through holes 321 are evenly distributed around the axis of the support ring 32. The through holes 321 are arranged in a penetrating way, so that the concrete among the supporting rings 32 is connected, the concrete among the supporting rings 32 is connected into a whole, and the structural strength of the concrete is increased;

the support ring 32 is fixedly provided with annular projections 322 coaxially, and in the per se applied embodiment, the number of annular projections 322 is set to two. The two annular bulges 322 are respectively arranged on two sides of the supporting ring 32, and the two annular bulges 322 are respectively clung to the inner walls of the sleeve 1 and the connecting pipe 2 so as to increase the stability of the joint between the supporting ring 32 and the sleeve 1 or the connecting pipe 2, thereby reducing the occurrence of shaking or tilting of the supporting ring 32 and further ensuring that the soil nails 31 of the steel pipe are arranged along the axis of the placing hole 42.

The implementation principle of the side slope supporting structure is as follows: firstly, a slope 41 with design requirements is dug out on a side slope 4, and concrete is sprayed on the slope 41. Secondly, set up at inclined plane 41 and place hole 42 to place in placing hole 42 with a plurality of connecting pipes 2 and a plurality of sleeve pipe 1 from the drill way of placing hole 42 along placing hole 42's axis, make the outer wall of a plurality of connecting pipes 2 and the outer wall of a plurality of sleeve pipes 1 all paste the inner wall of placing hole 42 tightly, in order to provide the support for placing hole 42, reduce the emergence of placing hole 42 hole condition of collapsing, be favorable to the normal clear of soil nailing wall construction. Then, the steel pipe soil nails 31 and the support rings 32 are put together into the respective sleeves 1 and the respective connection pipes 2 so that the steel pipe soil nails 31 are disposed along the axis of the placement holes 42. Then, concrete is injected into the placing holes 42, and the plurality of sleeves 1 and the plurality of connecting pipes 2 are rotated and taken out from the placing holes 42 one by one in the grouting process until the orifice of the placing holes 42 flows out the mortar of the concrete and the placing of the steel pipe soil nails 31 is completed.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a side slope supporting construction which characterized in that: the novel reinforced plastic pipe comprises a sleeve (1), a connecting pipe (2) and a reinforcing rod (3), wherein the sleeve (1) and the connecting pipe (2) are all provided with a plurality of sleeves (1) and connecting pipes (2) which are all distributed along the axial direction of a placing hole (42), two adjacent sleeves (1) are respectively installed at two ends of the connecting pipe (2), the outer walls of the sleeves (1) and the connecting pipe (2) are tightly attached to the inner wall of the placing hole (42), and the inner wall of the sleeve (1) is flush with the inner wall of the connecting pipe (2); the reinforcing rod (3) comprises a steel pipe soil nail (31) and a supporting ring (32), the supporting ring (32) is provided with a plurality of steel pipe soil nails (31) and a plurality of supporting rings (32) are all located in a sleeve (1) and a connecting pipe (2), a plurality of supporting rings (32) are all coaxially and fixedly arranged on the steel pipe soil nails (31) and distributed along the length direction of the steel pipe soil nails (31), the supporting rings (32) are tightly attached to the inner walls of the sleeve (1) and the connecting pipe (2), a plurality of grouting holes (33) penetrating through the steel pipe soil nails (31) along the thickness direction of the steel pipe soil nails are formed in the outer peripheral surface of the steel pipe soil nails (31), and the grouting holes (33) are distributed along the length direction of the steel pipe soil nails (31).

2. A slope support structure according to claim 1, wherein: two adjacent sleeves (1) are respectively in threaded fit with two ends of the connecting pipe (2).

3. A slope support structure according to claim 1, wherein: the two-way connecting device comprises a plurality of sleeves (1), wherein the sleeves (1) are internally threaded pipes, a positioning ring (21) is fixedly arranged on the inner wall of each connecting pipe (2) in a coaxial mode, the positioning ring (21) is arranged close to the middle of each connecting pipe (2), and when the sleeves (1) are respectively arranged on each connecting pipe (2), two adjacent sleeves (1) respectively abut against two sides of the positioning ring (21).

4. A slope support structure according to claim 3, wherein: the positioning ring (21) comprises an annular fixing part and annular rubber gaskets (212), the annular rubber gaskets (212) are arranged at two sides of the annular fixing part, the annular rubber gaskets (212) are respectively embedded at two sides of the annular fixing part, and when a plurality of sleeves (1) are respectively arranged on each connecting pipe (2), two adjacent sleeves (1) respectively abut against each annular rubber gasket (212).

5. A slope support structure according to claim 1, wherein: the outer peripheral surface of the sleeve (1) is flush with the outer peripheral surface of the connecting pipe (2).

6. A slope support structure according to claim 1, wherein: the support ring (32) is provided with a plurality of through holes (321) penetrating along the thickness direction of the support ring.

7. A slope support structure according to claim 1, wherein: the supporting ring (32) is coaxially and fixedly provided with an annular bulge (322), and the annular bulge (322) is tightly attached to the inner walls of the sleeve (1) and the connecting pipe (2).

8. A slope support structure according to claim 1, wherein: the grouting holes (33) are arranged in the middle and at one end of the steel pipe soil nails (31).