CN114319233A - Soil nailing wall supporting structure for river-facing slope and slope stabilizing construction method - Google Patents
Soil nailing wall supporting structure for river-facing slope and slope stabilizing construction method Download PDFInfo
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- CN114319233A CN114319233A CN202111658548.1A CN202111658548A CN114319233A CN 114319233 A CN114319233 A CN 114319233A CN 202111658548 A CN202111658548 A CN 202111658548A CN 114319233 A CN114319233 A CN 114319233A
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Abstract
The application relates to a retaining structure of a soil nailing wall of a riverway side slope, which relates to the construction technology of the soil nailing wall of the side slope, and comprises a riverway side slope, a plurality of soil nails which are penetrated to the side slope, a steel bar net which is paved to the side slope, and a concrete layer which is paved to the riverway side slope; a fixing mechanism is arranged between the soil nails and the reinforcing mesh, the fixing mechanism comprises a plurality of pressing pieces mounted on the soil nails, the reinforcing mesh is positioned between the pressing pieces and the side slope, and the reinforcing mesh is clamped between the pressing pieces and the side slope; the reinforcing mesh and one end of the soil nail extending out of the nail hole are poured into the concrete layer. Supporting construction in this application has the advantage that improves supporting construction stability.
Description
Technical Field
The application relates to a slope soil nailing wall construction technology, in particular to a river-facing slope soil nailing wall supporting structure and a slope stabilizing construction method.
Background
The soil nailing wall is an in-situ soil body reinforcement technology. The slope is reinforced by soil nails made of steel bars, a steel bar mesh is paved on the surface of the slope, and then a layer of concrete surface layer is sprayed on the surface of the slope to combine with the soil slope. The construction is a complex formed by firmly bonding a reinforced rod piece (namely a soil nail or an anchor rod) arranged in a slope body with the surrounding soil body, and a supporting structure similar to a gravity retaining wall formed by surface layers.
The existence of soil nailing walls is common at the slopes on two sides of the river channel. In the construction process of the soil nailing wall in the related art, a plurality of nail holes are generally formed on the slope surface, then soil nails are inserted into the nail holes, and concrete is injected into the nail holes. And then binding a steel bar net on the slope surface, and spraying concrete on the slope surface to form a concrete layer on the slope surface.
In view of the above-mentioned related technologies, the inventor found that after the reinforcing mesh is arranged, the reinforcing mesh is generally only erected on the portion of the soil nails extending into the slope body, and corresponding connection structures are generally not provided between the reinforcing mesh and the soil nails, so that the stability between the reinforcing mesh and the slope body is poor.
Disclosure of Invention
In order to improve the relatively poor problem of the connection steadiness between reinforcing bar net and the soil nail among the correlation technique, this application provides a face river slope soil nailing wall supporting construction and side slope firm construction method.
One of the purposes that this application provided provides a face river side slope soil nailing wall supporting construction, adopts following technical scheme:
a soil nailing wall supporting structure for a side slope of a river comprises a river side slope, a plurality of soil nails penetrating into the side slope, a steel bar net paved on the side slope, and a concrete layer paved on the river side slope;
a fixing mechanism is arranged between the soil nails and the reinforcing mesh, the fixing mechanism comprises a plurality of pressing pieces mounted on the soil nails, the reinforcing mesh is positioned between the pressing pieces and the side slope, and the reinforcing mesh is clamped between the pressing pieces and the side slope;
and the reinforcing mesh and one end of the soil nail extending out of the side slope are poured into the concrete layer.
Through adopting above-mentioned technical scheme, through setting up fixed establishment between soil nail and reinforcing bar net, fixed establishment links together soil nail and reinforcing bar net, makes supporting construction stability more so on the one hand, lays to the side slope back at the reinforcing bar net simultaneously, and fixed establishment can fix the reinforcing bar net, makes more stable the laying of reinforcing bar net on the side slope.
Optionally, the fixed establishment still including the cover establish to the fixed pipe of soil nail, fixed pipe and soil nail can be dismantled and be connected, and is a plurality of compress tightly the piece and install to fixed pipe.
Through adopting above-mentioned technical scheme, realized compressing tightly and being connected with dismantling between the soil nail, the classification between the fixed establishment of being convenient for and the soil nail on the one hand is transported and is produced respectively, and on the other hand can also adjust the position of compressing tightly the piece through rotatory fixed pipe at the fixed in-process of fixed establishment to the reinforcing bar net, is convenient for compress tightly the piece and compress tightly the reinforcing bar net.
Optionally, the pressing piece comprises a connecting rod and a clamping plate;
the connecting rod with the soil nail links to each other, the cardboard rigid coupling extremely the connecting rod, just the cardboard is the arc with the reinforcing bar adaptation in the reinforcing bar net, and the cardboard compresses tightly the reinforcing bar net.
Through adopting above-mentioned technical scheme, make fixed mechanism better to reinforcing bar net's fixed effect.
Optionally, the fixed pipe is fixedly connected with a plurality of connecting pipes, the connecting pipes are in one-to-one correspondence with the pressing pieces, the connecting rods of the pressing pieces penetrate through the connecting pipes, tightening sleeves are in threaded connection with the connecting rods, and the tightening sleeves and the clamping plates are respectively located on two sides of the connecting pipes.
Through adopting above-mentioned technical scheme, can change the interval between cardboard and the fixed pipe for fixed establishment can be more nimble use.
Optionally, a plurality of nail holes have been seted up on the side slope, it is a plurality of nail hole and a plurality of soil nail one-to-one, the soil nail inserts in the nail hole, just concrete is poured to the nail downthehole concrete cover that forms.
Through adopting above-mentioned technical scheme, make the soil nail of inserting in the nail hole more stable.
Optionally, be equipped with centering subassembly on the soil nail, centering subassembly includes the multiunit installation extremely the centering piece of soil nail, the multiunit centering piece centers on the axis interval setting of soil nail.
Through adopting above-mentioned technical scheme, insert the downthehole back of nail at the soil nail, centering subassembly can make the soil nail centering as far as, makes the concrete cover better to the parcel effect of soil nail, makes the soil nail of inserting the nail downthehole more stable.
Optionally, the centering assembly further comprises a centering pipe sleeved on the soil nail, and the centering pipe is detachably connected with the soil nail;
a plurality of sets of the centering members are all mounted to the centering tube.
Through adopting above-mentioned technical scheme, be convenient for to be connected with dismantling between the soil nail centering subassembly, constructor can change the centering subassembly quantity on the soil nail according to actual demand.
Optionally, a plurality of groups of adjusting assemblies are mounted on the centering pipe, and the plurality of groups of adjusting assemblies correspond to the plurality of groups of centering pieces one by one;
the adjusting component comprises a track, a sliding piece and an adjusting piece;
the rail is fixedly connected to the rail of the middle tube pair along the axial direction of the middle tube pair, a sliding groove which is axially arranged along the middle tube pair is formed in one surface of the rail, which is far away from the middle tube pair, and a guide inclined plane is formed in the bottom surface in the sliding groove;
the sliding piece is erected on the guide inclined plane and is connected with the track in a sliding mode, and the centering piece is installed on the sliding piece;
the adjusting piece penetrates through the rail along the axial direction of the centering piece and extends into the sliding groove to be abutted against the sliding piece, and the adjusting piece is in threaded connection with the rail.
Through adopting above-mentioned technical scheme, be convenient for centering subassembly adaptation nail hole as much as possible diameter.
Optionally, an elastic member is arranged between the centering member and the rail, and the centering member is always abutted to the adjusting member under the action of the elastic member.
Through adopting above-mentioned technical scheme, avoid centering subassembly as far as in the transportation or the in-process glide of removal to make a round trip to move in the spout.
The second purpose of the invention is to provide a river side slope stabilizing construction method: the method comprises the following steps:
s1, trimming and scraping the river channel side slope;
s2, forming nail holes for penetrating soil nails on the riverway side slope manually or by a drilling machine;
s3, mounting a centering assembly on the soil nail, and adjusting the distance between the inner supporting plate of the centering assembly and the fixed pipe;
s4, inserting the soil nails into the nail holes;
s5, injecting concrete into the nail holes until the concrete is solidified;
s6, binding reinforcing meshes on the side slope;
and S7, spraying a concrete layer on the side slope.
By adopting the construction method, a more stable slope supporting structure can be formed on the slope.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the fixing mechanism is arranged between the reinforcing mesh and the soil nails, and the soil nails and the reinforcing mesh are connected together by the fixing mechanism, so that on one hand, the supporting structure can be more stable, and meanwhile, after the reinforcing mesh is laid on a side slope, the reinforcing mesh can be fixed by the fixing mechanism, so that the reinforcing mesh is more stably laid on the side slope;
2. through setting up centering subassembly, the in-process of injecting the concrete into the nail hole can make the soil nail keep with the centering state in nail hole to the better parcel of concrete cover is in the periphery of soil nail, thereby makes the soil nail more stable in the nail hole, and then makes supporting construction more stable.
Drawings
Fig. 1 is a schematic view of the arrangement state of the mesh reinforcement on the slope in the embodiment of the present application.
Fig. 2 is a schematic view of the arrangement state of a concrete layer on a side slope in the embodiment of the application.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 1.
FIG. 4 is a schematic view showing the arrangement structure of the centering assemblies on the soil nails in the embodiment of the present application.
Fig. 5 is a schematic structural diagram of an external shape of the centering assembly in the embodiment of the present application.
Fig. 6 is a schematic view showing a structure of mounting the pressing member on the structure of the adjustment assembly in the embodiment of the present application.
Description of reference numerals: 1. side slope; 11. nailing holes; 2. soil nailing; 21. a first end portion; 22. a second end part; 3. a reinforcing mesh; 4. a concrete layer; 5. a concrete cover; 6. a fixing mechanism; 61. a compression member; 611. a connecting rod; 6111. tightening the sleeve; 612. clamping a plate; 62. a fixed tube; 621. a connecting pipe; 63. a first screw thread piece; 7. a centering assembly; 71. aligning the middle pipe; 72. a centering member; 721. a support bar; 722. a supporting plate; 7221. a support portion; 7222. a guide portion; 73. a second thread piece; 8. an adjustment assembly; 81. a track; 811. a chute; 8111. a slide chamber; 8112. a slide hole; 8113. a guide slope; 812. a cover body; 813. a main body portion; 82. a sliding member; 821. a connecting inclined plane; 83. an adjustment member; 84. an elastic member.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses face river side slope soil nailing wall supporting construction. Supporting construction sets up in river course side slope 1 for side slope 1 to the river course both sides protects.
Referring to fig. 1 and 2, the supporting structure includes a river slope 1, a plurality of soil nails 2, a mesh reinforcement 3, and a concrete layer 4.
Referring to fig. 3, a plurality of nail holes 11 that are used for wearing to establish soil nail 2 are seted up on river course side slope 1, and nail hole 11 perpendicular to the plane at river course side slope 1 place, a plurality of soil nails 2 and a plurality of nail holes 11 one-to-one, and soil nail 2 wears to establish to nail hole 11 in, and the nail hole 11 is stretched out to the one end of soil nail 2.
Referring to fig. 4, for convenience of description, the end of the soil nail 2 extending into the nail hole 11 is the first end 21, and the end of the soil nail 2 extending out of the nail hole 11 is the second end 22.
Referring to fig. 3, concrete is poured into the nail holes 11, the concrete in the nail holes 11 wraps the peripheries of the soil nails 2 to form concrete sleeves 5, the concrete sleeves 5 fill the nail holes 11 to enable the soil nails 2 to be more stable in the nail holes 11, and the concrete sleeves 5 enable the soil nails 2 to be molded with the side slopes 1 to enable the soil nails 2 to be more stable.
The reinforcing mesh 3 is laid on the side slope 1, and a fixing mechanism 6 is arranged between the second end 22 of the soil nail 2 and the reinforcing mesh 3. The concrete layer 4 is laid to the side slope 1, and the reinforcing mesh 3 and the end of the soil nail 2 extending out of the nail hole 11 are poured into the concrete layer 4.
Referring to fig. 3, by providing the fixing means 6 between the mesh reinforcement 3 and the soil nails 2, the connection relationship between the mesh reinforcement 3 and the soil nails 2 is increased, and the entire supporting structure is more stable. Meanwhile, after the reinforcing mesh 3 is laid, before concrete is sprayed, the reinforcing mesh 3 can be integrally and stably placed on the side slope 1 due to the arrangement of the fixing mechanism 6.
The fixing mechanism 6 comprises a plurality of pressing pieces 61 welded to one ends of the soil nails 2 extending out of the nail holes 11, the pressing pieces 61 are positioned on one side of the reinforcing mesh 3 away from the side slope 1, and pressing force for the reinforcing mesh 3 is formed between the pressing pieces 61 and the side slope 1, so that the reinforcing mesh 3 can be more stable after being laid.
The pressing piece 61 comprises a connecting rod 611 and a clamping plate 612 matched with the steel bars in the steel bar mesh 3 for use, one end of the connecting rod 611 is connected with the soil nail 2, and the other end of the connecting rod 611 is fixedly connected with the clamping plate 612. The clamping plate 612 is an arc-shaped plate, and the clamping plate 612 compresses the reinforcing mesh 3.
The fixing mechanism 6 further comprises a fixing pipe 62 matched with the soil nail 2 for use, the plurality of pressing pieces 61 are all installed on the fixing pipe 62, and the fixing pipe 62 is sleeved on the periphery of the soil nail 2. The fixed pipe 62 is provided with a plurality of first screw members 63 for detachably fixing the fixed pipe 62 to the soil nail 2, and the first screw members 63 can be bolts, screws and the like. Screw member 63 is along the direction threaded connection of the fixed 62 axis of pipe of perpendicular to fixed pipe 62, and screw member 63 supports tight soil nail 2 behind passing fixed pipe 62, and then realizes the fixed 62 and soil nail 2 between can dismantle fixed, the classification between the fixed establishment 6 of being convenient for and the soil nail 2 is transported and is produced.
After arranging the mesh reinforcements 3, the constructor sleeves the fixing pipe 62 to the soil nails 2, presses the mesh reinforcements 3 by the pressing pieces 61 on the fixing pipe 62, and then screws the first threaded pieces 63 on the fixing pipe 62 to enable the first threaded pieces 63 to abut against the soil nails 2 and fix the fixing pipe 62 on the soil nails 2. After that, the spraying work of the concrete layer 4 of the side slope 1 can be carried out. This makes it easier for the operator to press the mesh reinforcement 3 with the pressing member 61. Simultaneously with compressing tightly the piece 61 in-process of compressing tightly reinforcing bar net 3, can also change each position of compressing tightly piece 61 through rotatory fixed pipe 62, make compressing tightly the piece 61 and can adapt to more operating modes.
The mesh reinforcement 3 may be a triangular mesh-like structure, a rectangular mesh-like structure, a pentagonal mesh-like structure, or the like.
Referring to fig. 3, the reinforcing mesh 3 of a rectangular grid structure is exemplified in this embodiment. The second end 22 of the soil nail 2 passes through a certain grid in the reinforcing mesh 3, the compression piece 61 in the fixing mechanism 6 is provided with four groups, meanwhile, the fixing pipe 62 is provided with four connecting pipes 621 used with the connecting rods 611 in the compression piece 61, the four connecting pipes 621 are uniformly and fixedly connected to the outer peripheral surface of the fixing pipe 62 around the axis of the fixing pipe 62, and the connecting pipes 621 are arranged along the tangential direction of the cross section of the fixing pipe 62.
The four pressing components 61 correspond to the four connecting pipes 621 one by one, the connecting rod 611 penetrates through the connecting pipes 621, a tightening sleeve 6111 is sleeved on the connecting rod 611, the tightening sleeve 6111 and the clamping plate 612 are located on two sides of the connecting pipes 621 respectively, and the tightening sleeve 6111 and the connecting rod 611 are in threaded connection.
In the process of compressing the steel bar mesh 3 by using the fixing mechanism 6, the four compressing members 61 are respectively in one-to-one correspondence with the steel bars at the positions of the four grid edges of the steel bar mesh 3, then the tightening sleeves 6111 on the connecting rods 611 are adjusted according to the distance from the fixing pipe 62 to each edge of the grid, it is ensured that the clamping plates 612 on the compressing members 61 can be clamped to the steel bars at the grid edges, then the tightening sleeves 6111 are screwed to enable the tightening sleeves 6111 to abut against the connecting pipe 621, and the four compressing members 61 are enabled to respectively compress the steel bars at the four edges of the grid according to the mode. The fixing mechanism 6 with the structure can be used under the working conditions as many as possible.
Referring to fig. 4, after the nail hole 11 is opened, the diameter of the nail hole 11 is generally larger than that of the soil nail 2, so that after the soil nail 2 is inserted into the nail hole 11, in the process of injecting concrete into the nail hole 11, in order to better ensure the stability of the subsequent soil nail 2, a worker is required to keep the centering of the soil nail 2 in the nail hole 11, and in order to facilitate the centering of the soil nail 2, the soil nail 2 is provided with a plurality of centering assemblies 7.
Referring to fig. 5, the centering assembly 7 includes a centering tube 71 fitted to the soil nails 2, and a plurality of centering members 72 arranged uniformly around the axis of the centering tube 71 and with the centering tube 71. After the soil nails 2 are inserted into the nail holes 11, the centering pieces 72 on the centering tube 71 may support the soil nails 2 so that the soil nails 2 are centered in the nail holes 11.
The centering tube 71 in the centering assembly 7 may be fixed to the soil nail 2 by welding. In order to facilitate the installation between the centering component 72 and the soil nail 2, a plurality of second screw components 73 used for abutting against the soil nail 2 are arranged on the middle pipe 71 in a penetrating manner in the embodiment, the second screw components 73 can be bolts or screws and the like, the second screw components 73 are bolts in the embodiment, the second screw components 73 penetrate through the middle pipe 71 and then abut against the soil nail 2, the detachable installation between the middle pipe 71 and the soil nail 2 is further realized, the detachable connection between the centering component 7 and the second soil nail is facilitated, and meanwhile the number of the centering components 7 on the soil nail 2 can be changed according to actual requirements.
The centering member 72 comprises a support rod 721 and a support plate 722, the support plate 722 is arranged along the axial direction of the centering pipe 71, the support rod 721 is installed between the centering pipe 71 and the support plate 722, one end of the support rod 721 is fixedly connected with the support plate 722, the other end of the support rod 721 is connected with the centering pipe 71, the support rod 721 is used for supporting the support plate 722, and in order to enable the support rod to support the support plate 722 more stably, the support rod is perpendicular to the axial line of the centering pipe 71. The supporting plate 722 is provided to increase the contact area of the centering member 72 with the inner wall of the nail hole 11, so that the centering assembly 7 can support the soil nails 2 better.
In order to better adapt the stay plate 722 to the nail holes 11, the cross section of the stay plate 722 is provided with an arc shape.
In addition, in order to make the insertion of the soil nails 2 into the nail holes 11 smoother, the stay plate 722 includes a support portion 7221 disposed in a lengthwise direction of the counter pipe 71, and a guide portion 7222 provided obliquely toward the counter pipe 71, the guide portion 7222 being located at an end of the support portion 7221 remote from the fixing mechanism 6.
The provision of the guide 7222 enables the centering assembly 7 to more smoothly pass through irregularities in the nail hole 11 if the inner wall of the nail hole 11 is irregular during insertion of the soil nail 2 into the nail hole 11.
Referring to fig. 5, an adjusting assembly 8 for adjusting the distance between the bracing plate 722 and the centering tube 71 is disposed between the bracing rod 721 and the centering tube 71. The adjustment assembly 8 can be used to vary the spacing of the gusset 722 from the centering tube 71 to accommodate the gusset 722 in the face of nail holes 11 of different diameters.
Referring to fig. 6, in particular, the adjusting assembly 8 comprises a rail 81 axially fixed to the middle pair of pipes 71, a sliding member 82 slidably connected inside the rail 81, and an adjusting member 83 for adjusting the position of the sliding member 82 inside the rail 81.
A sliding cavity 8111 arranged along the length direction of the rail 81 is formed in the rail 81, a sliding hole 8112 communicated with the sliding cavity 8111 is formed in one surface, far away from the centering pipe 71, of the rail 81 along the length direction of the rail 81, the width of the sliding hole 8112 is smaller than that of the sliding cavity 8111, and the sliding hole 8112 and the sliding cavity 8111 jointly form a sliding groove 811 with a T-shaped cross section. The bottom surface in the sliding groove 811 leads to the inclined surface 8113.
Referring to fig. 4 and 6, the guide slope 8113 is a slope inclined in a direction from the first end 21 to the second end 22.
Referring to fig. 6, the sliding member 82 is overlapped on the guide inclined surface 8113 in the sliding cavity 8111, and the width of the sliding member 82 is larger than that of the sliding hole 8112. In order to better match the sliding member 82 with the guide inclined surface 8113, the bottom of the sliding member 82 is provided with a connecting inclined surface 821, and the connecting inclined surface 821 is attached to the guide inclined surface 8113. The support rod 721 is fixed to the sliding member 82, and the support rod 721 extends out of the sliding groove 811 through the sliding hole 8112, and the sliding member 82 and the support rod 721 are connected to the rail 81 in a sliding manner.
The adjusting member 83 may be a bolt or a screw, the adjusting member 83 is disposed on one side of the rail 81 facing the second end portion 22, and one end of the adjusting member 83 penetrates through the rail 81 and extends into the sliding cavity 8111 to abut against the sliding member 82. The adjusting member 83 is in threaded connection with the track 81.
By screwing the adjusting member 83, the adjusting member 83 pushes the sliding member 82 to slide along the bottom surface in the sliding groove 811, thereby achieving the effect of adjusting the distance between the supporting plate 722 and the centering tube 71.
When facing different nail holes 11, a constructor changes the extending amount of the adjusting piece 83 in the sliding cavity 8111 by screwing the adjusting piece 83, after the extending amount of the adjusting piece 83 in the sliding cavity 8111 is adjusted to a proper value, the soil nail 2 is inserted into the nail hole 11, and in the process of inserting the soil nail 2 into the nail hole 11, because the inner wall of the nail hole 11 can provide resistance for the supporting plate 722, at the moment, the sliding piece 82 abuts against the adjusting piece 83. After the soil nail 2 is completely inserted into the nail hole 11, the centering assembly 7 supports the soil nail 2, keeping the centering of the soil nail 2 in the nail hole 11 as much as possible.
An elastic part 84 is fixedly connected between the sliding part 82 on the track 81 and the track 81, the elastic part 84 is a spring, and the sliding part 82 always abuts against the adjusting part 83 under the action force of the elastic part 84. The elastic member 84 can limit the sliding member 82 in the sliding cavity 8111, and prevent the sliding member 82 from sliding in the sliding cavity 8111 during transportation or movement of the centering assembly 7 as much as possible.
In order to save the space occupied by the elastic member 84, the elastic member 84 is disposed in the sliding chamber 8111 along the length direction of the sliding chamber 8111, the elastic member 84 is sleeved on the periphery of the adjusting member 83, one end of the elastic member 84 is fixedly connected with the sliding member 82, and the other end of the elastic member 84 is fixedly connected with the inner wall of the sliding chamber 8111.
Further, in order to facilitate the installation of the sliding member 82 and the elastic member 84 in the sliding chamber 8111, the rail 81 is provided with a cover body 812 and a main body 813, the cover body 812 is laid on the main body 813, and the cover body 812 and the main body 813 are fixed by a plurality of screws. The slide hole 8112 is opened in the cover body 812.
In the process of installing the sliding member 82 and the elastic member 84 in the sliding cavity 8111, the cover body 812 may be separated from the main body portion 813, the supporting rod 721 passes through the sliding hole 8112, the sliding member 82 is welded or glued to the supporting rod 721, then the sliding member 82 and the elastic member 84 are installed in the sliding cavity 8111, and then the cover body 812 is fixed to the main body portion 813.
The implementation principle of the supporting structure for the soil nailing wall of the side slope of the river is as follows: the side slope 1 is provided with a plurality of nail holes 11, then a plurality of centering assemblies 7 are installed on the soil nails 2, the extending amount of adjusting pieces 83 in the centering assemblies 7 in a sliding cavity 8111 is adjusted to a proper value, then the soil nails 2 are inserted into the nail holes 11, concrete is injected into the nail holes 11, after the concrete is cooled, reinforcing mesh 3 is bound on the side breaks, in the binding process, the reinforcing mesh 3 and the end portions two 22 of the soil nails 2 are fixed through fixing mechanisms 6, and then concrete, namely a layer, is sprayed on the side slope 1.
A slope stabilizing construction method comprises the following construction steps:
s1, finishing and scraping the river channel side slope 1;
s2, forming nail holes 11 for penetrating soil nails 2 on the river channel side slope 1 manually or by a drilling machine;
s3, mounting the centering assembly 7 on the soil nail 2, and adjusting the distance between the inner supporting plate 722 of the centering assembly 7 and the fixed pipe 62;
s4, inserting the soil nails 2 into the nail holes 11;
s5, injecting concrete into the nail holes 11 until the concrete is solidified;
s6, binding reinforcing mesh 3 on the side slope 1;
during the process of binding the mesh reinforcement 3, the fixing mechanism 6 is continuously used for fixing the mesh reinforcement 3 and the second end 22 of the soil nail 2.
And S7, spraying a concrete layer 4 on the side slope 1.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a face river side slope soil nailing wall supporting construction which characterized in that: the soil-bed-type river channel side slope concrete is characterized by comprising a river channel side slope (1), a plurality of soil nails (2) penetrating through the side slope (1), a steel bar net (3) paved on the side slope (1), and a concrete layer (4) paved on the river channel side slope (1);
a fixing mechanism (6) is arranged between the soil nails (2) and the reinforcing mesh (3), the fixing mechanism (6) comprises a plurality of pressing pieces (61) which are installed on the soil nails (2), the reinforcing mesh (3) is positioned between the pressing pieces (61) and the side slope (1), and the reinforcing mesh (3) is clamped between the pressing pieces (61) and the side slope (1);
the reinforcing mesh (3) and one end of the soil nail (2) extending out of the side slope (1) are poured into the concrete layer (4).
2. The soil nailing wall supporting structure for a river side slope according to claim 1, wherein: fixed establishment (6) still establish including the cover fixed pipe (62) of soil nail (2), fixed pipe (62) can be dismantled with soil nail (2) and be connected, and is a plurality of compress tightly piece (61) and install extremely fixed pipe (62).
3. The soil nailing wall supporting structure for a river side slope according to claim 2, characterized in that: the pressing piece (61) comprises a connecting rod (611) and a clamping plate (612);
the connecting rod (611) is connected with the soil nail (2), the clamping plate (612) is fixedly connected to the connecting rod (611), the clamping plate (612) is an arc-shaped plate matched with the steel bar in the steel bar net (3), and the clamping plate (612) compresses the steel bar net (3).
4. The soil nailing wall supporting structure for a river side slope according to claim 3, wherein: the fixed pipe (62) is fixedly connected with a plurality of connecting pipes (621), the connecting pipes (621) are in one-to-one correspondence with the pressing pieces (61), the connecting rod (611) of each pressing piece (61) penetrates through the corresponding connecting pipe (621), the connecting rod (611) is connected with a tightening sleeve (6111) in a threaded mode, and the tightening sleeve (6111) and the clamping plate (612) are located on two sides of the corresponding connecting pipe (621) respectively.
5. The soil nailing wall supporting structure for a river bank according to any one of claims 1-4, wherein: the side slope concrete pile is characterized in that a plurality of nail holes (11) are formed in the side slope (1) and are in a plurality of correspondence with the soil nails (2), the soil nails (2) are inserted into the nail holes (11), and concrete is poured into the nail holes (11) to form concrete sleeves (5).
6. The soil nailing wall supporting structure for a river bank according to claim 5, wherein: be equipped with centering subassembly (7) on soil nail (2), centering subassembly (7) include the multiunit install extremely centering piece (72) of soil nail (2), the multiunit centering piece (72) centers on the axis interval setting of soil nail (2).
7. The soil nailing wall supporting structure for a river side slope according to claim 6, wherein: the centering assembly (7) further comprises a centering pipe (71) sleeved to the soil nail (2), and the centering pipe (71) is detachably connected with the soil nail (2);
a plurality of sets of the centering members (72) are all mounted to the centering tubes (71).
8. The soil nailing wall supporting structure for a river bank according to claim 7, wherein: a plurality of groups of adjusting assemblies (8) are arranged on the centering pipe (71), and the plurality of groups of adjusting assemblies (8) correspond to the plurality of groups of centering pieces (72) one by one;
the adjusting component (8) comprises a track (81), a sliding piece (82) and an adjusting piece (83);
the rail (81) is fixedly connected to the rail (81) of the middle pair of pipes (71) along the axial direction of the middle pair of pipes (71), a sliding groove (811) which is axially arranged along the middle pair of pipes (71) is formed in one surface, away from the middle pair of pipes (71), of the rail (81), and the bottom surface in the sliding groove (811) is set to be a guide inclined surface (8113);
the sliding piece (82) is overlapped on the guide inclined plane (8113) and is connected with the track (81) in a sliding mode, and the centering piece (72) is installed on the sliding piece (82);
the adjusting piece (83) penetrates through the rail (81) along the axial direction of the centering piece (72) and extends into the sliding groove (811) to abut against the sliding piece (82), and the adjusting piece (83) is in threaded connection with the rail (81).
9. The soil nailing wall supporting structure for a river side slope according to claim 8, wherein: an elastic piece (84) is arranged between the centering piece (72) and the track (81), and the centering piece (72) is always abutted to the adjusting piece (83) under the action of the elastic piece (84).
10. The slope stabilizing construction method for a riverside, according to claim 9, characterized in that: the method comprises the following steps:
s1, finishing and scraping the river channel side slope (1);
s2, forming nail holes (11) for penetrating soil nails (2) on the riverway side slope (1) manually or by a drilling machine;
s3, installing the centering assembly (7) on the soil nail (2), and adjusting the distance between the inner supporting plate (722) of the centering assembly (7) and the fixed pipe (62);
s4, inserting the soil nails (2) into the nail holes (11);
s5, injecting concrete into the nail holes (11) until the concrete is solidified;
s6, binding reinforcing mesh (3) on the side slope (1);
s7, spraying a concrete layer (4) on the side slope (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN115354656A (en) * | 2022-08-16 | 2022-11-18 | 深圳市市政工程总公司 | Regenerated sprayed concrete support construction structure |
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| CN114319233B (en) | 2023-05-30 |
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