CN212452701U - Slope anchor shotcrete supporting construction - Google Patents
Slope anchor shotcrete supporting construction Download PDFInfo
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- CN212452701U CN212452701U CN202021082508.8U CN202021082508U CN212452701U CN 212452701 U CN212452701 U CN 212452701U CN 202021082508 U CN202021082508 U CN 202021082508U CN 212452701 U CN212452701 U CN 212452701U
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Abstract
The utility model relates to a side slope anchor spraying supporting structure, which comprises an original soil side slope, wherein a plurality of pre-buried grooves are arranged on the slope surface of the original soil side slope, the pre-buried grooves extend along the slope surface and are arranged in an up-and-down manner, the longitudinal intervals of the slope surfaces of all the pre-buried grooves are arranged, soft water permeable pipes which are in the same direction as the extending direction of the pre-buried grooves are arranged in the pre-buried grooves, backfill matrixes are also arranged in the pre-buried grooves so as to embed the soft water permeable pipes in the pre-buried grooves, and the backfill matrixes are parallel and level with; the anchor spraying reinforcing layer is also arranged on the slope surface and comprises a plurality of steel bar anchor rods inserted into the slope surface in an array mode, the tail ends of the steel bar anchor rods exposed out of the slope surface are connected with reinforcing steel bar meshes laid on the slope surface, and the reinforcing steel bar meshes and the exposed tail ends of the steel bar anchor rods are buried in the sprayed concrete slurry solidified body covered on the slope surface. The utility model discloses an arrange soft pipe of permeating water effectively in the side slope and realize interior drainage, the drainage is effectual, and the institute drainage can not pollute the limit domatic, and apparent quality is good, the construction of also being convenient for.
Description
Technical Field
The utility model belongs to the technical field of the stability on side slope or slope in the building, concretely relates to side slope anchor shotcrete supporting construction.
Background
At present, anchor spraying drainage of a side slope of a foundation pit of a underpass during vehicle running is drained by adopting a mode that a plurality of drainage holes are arranged on the slope surface from top to bottom or drainage grooves which are arranged on the top of the slope and drain to the two sides of the slope surface from top to bottom; the drainage holes on the side slope are usually formed by water collecting pipes vertically driven into the side slope, and the construction difficulty is high; further optimization and improvement are needed to design more optional structural schemes.
Disclosure of Invention
The above-mentioned not enough to prior art, the to-be-solved technical problem of the utility model is to provide a side slope anchor shotcrete supporting construction, avoid the not good, problem that has the influence to the apparent appearance of side slope of the drainage effect of present side slope outer drainage, gain the effect of being convenient for construct, drainage is respond well, side slope apparent quality is good.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the side slope anchor-spraying supporting structure comprises an original soil side slope, wherein a plurality of pre-buried grooves are formed in the side slope surface of the original soil side slope, the pre-buried grooves extend along the side slope surface in an up-and-down mode, all the pre-buried grooves are arranged at intervals along the longitudinal direction of the side slope surface, soft water permeable pipes in the same direction as the extending direction of the pre-buried grooves are arranged in the pre-buried grooves, a backfill matrix is also contained in the pre-buried grooves so that the soft water permeable pipes are embedded in the pre-buried grooves, and the backfill matrix is flush with the side slope surface; the anchor spraying reinforcing layer is further arranged on the slope surface of the side and comprises a plurality of steel bar anchor rods inserted into the slope surface of the side in an array mode, the tail ends of the steel bar anchor rods exposed out of the slope surface are connected with reinforcing steel bar meshes paved on the slope surface of the side, and the reinforcing steel bar meshes and the exposed tail ends of the steel bar anchor rods are buried in the sprayed concrete slurry solidified body covering the slope surface of the side.
According to the technical scheme, the lower ends of all the soft water permeable pipes are communicated to the drain pipe, the drain pipe is arranged at the bottom of the slope surface of the edge and extends along the longitudinal direction of the slope surface of the edge so that the soft water permeable pipes are vertically connected with the drain pipe, and the drain pipe is connected with a municipal drainage system.
Further, the drain pipe is also buried in the side slope.
Furthermore, a soft permeable layer is laid on the top surface of the original soil side slope and comprises a horizontal permeable pipe network, the permeable pipe network is buried in a plurality of soil ditches correspondingly formed in the top surface of the original soil side slope, and the permeable pipe network is communicated with the upper ends of the soft permeable pipes.
Further, the reinforcing bar stock includes the main muscle, the main muscle inserts that the limit is domatic and exposed tail end links to each other with the reinforcement reinforcing bar net, the main muscle adopts the twisted steel, is equipped with the rib support on the main muscle, the rib support includes along three thin round reinforcing bars of main muscle circumference equipartition, the length direction and the main muscle syntropy of thin round reinforcing bar, the both ends and the main muscle of thin round reinforcing bar link firmly mutually, and the middle part of thin round reinforcing bar has the curved bellying of radially extending along the main muscle.
Furthermore, a plurality of rib supports are arranged on the main rib at intervals along the length direction of the main rib.
Furthermore, the exposed tail end of the main bar is bent to be parallel to the reinforcing steel bar mesh and fixedly connected with the reinforcing steel bar mesh in a welding mode.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a side slope anchor spouts supporting construction, through arrange the soft pipe of permeating water effectively in the side slope and realize interior drainage, the soft pipe of permeating water can hold the water of former soil side slope top surface more, also can be through absorbing water, permeate water and collect the moisture in the former soil side slope, the drain pipe direct-connection that the institute drainage can pass through the bottom is to municipal drainage system, the drainage is effectual, the limit is domatic can not recontaminated to the institute drainage yet, can not overflow, apparent quality is good, and use the soft pipe of permeating water because its elastoplasticity's characteristics, the transportation, the construction is all very convenient, the work progress has been simplified, construction cost is reduced.
2. The utility model discloses a side slope anchor shotcrete supporting construction, the effectual soft pipe of permeating water of having arranged matches the anchor shotcrete back up coat of design with it, can guarantee the support intensity of side slope, guarantee use, drainage process's normal operating.
Drawings
FIG. 1 is a schematic structural view of a slope bolting and shotcreting structure according to a specific embodiment (with the backfill and shotcrete coverings hidden to facilitate illustration of the interior conditions);
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a schematic view of a further improved structure based on FIG. 3;
FIG. 5 is an enlarged view of a portion of FIG. 2 to illustrate the reinforcement bolt and associated connections;
FIG. 6 is a cross-sectional view (enlarged) at C-C in FIG. 5;
FIG. 7 is a schematic view of a thin round bar in an embodiment;
the concrete grouting and reinforcing device comprises an original soil slope 1, an embedded groove 11, a soft permeable pipe 2, a backfill substrate 3, an anchor spraying reinforcing layer 4, a steel bar anchor rod 41, a main rib 411, a rib bracket 412, a thin round steel bar 413, a bent convex part 414, a reinforcing steel bar net 42, a concrete grout spraying solidified body 43, a drain pipe 5, a permeable pipe net 6 and anchoring holes 100.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1-3, the slope anchoring and shotcreting supporting structure of the embodiment includes an original soil slope 1, a plurality of pre-buried slots 11 are formed in a slope surface of the original soil slope 1, the pre-buried slots 11 are formed along the slope surface at equal depths and extend up and down, all the pre-buried slots 11 are arranged at intervals along a longitudinal extending direction (transverse direction of fig. 1) of the slope surface, flexible water permeable pipes 2 are arranged in the pre-buried slots 11 in the same direction as the extending direction of the pre-buried slots 11, that is, the flexible water permeable pipes 2 also extend up and down along the slope surface, backfill matrixes 3 are also arranged in the pre-buried slots 11 so as to embed the flexible water permeable pipes 2 in the pre-buried slots 11, and the backfill matrixes 3 are filled in the pre-buried slots 11 to be flush with the; the side slope surface is further provided with an anchor spraying reinforcing layer 4, the anchor spraying reinforcing layer 4 comprises a plurality of steel bar anchor rods 41 which are arranged in a rectangular array mode and are inserted into the side slope surface, the tail ends of the steel bar anchor rods 41 exposed out of the side slope surface are connected with reinforcing steel bar meshes 42 laid on the side slope surface, and the reinforcing steel bar meshes 42 and the exposed tail ends of the steel bar anchor rods 41 are buried in sprayed concrete slurry solidified bodies 43 covering the side slope surface.
According to the slope anchor-spraying supporting structure, the soft water-permeable pipes 2 are effectively arranged in the slope surface to realize internal drainage, the soft water-permeable pipes 2 can bear water on the top surface of the original soil slope 1 and can collect water in the original soil slope 1 through water absorption and water permeation, the drained water can be directly communicated to a municipal drainage system through the drain pipes 5 at the bottom, the drainage effect is good, the drained water cannot pollute the slope surface any more and overflow, the apparent quality is good, the soft water-permeable pipes 2 are convenient to transport and construct due to the elastic-plastic characteristics, and the construction process is simplified; the anchor spraying reinforcing layer 4 designed in a matching way can ensure the supporting strength of the side slope and ensure the normal operation in the using and water discharging process. When in implementation, the backfilling substrate 3 can be backfilled by original soil or concrete, and the concrete can not block the soft permeable pipe 2.
Referring to fig. 4, in all the pre-buried grooves 11, one pair of corresponding soft water permeable pipes 2 are buried, the lower ends of all the soft water permeable pipes 2 are communicated to a drain pipe 5, the drain pipe 5 is arranged at the bottom of the side slope surface and extends along the longitudinal direction of the side slope surface so that the soft water permeable pipes 2 are vertically connected with the drain pipe 5, and the drain pipe 5 is connected with a municipal drainage system; the drain pipe 5 is also buried in the side slope surface.
In this way, a preferred way of lower drainage is given, ensuring the drainage effect, the drain pipe 5 preferably being a PVC pipe.
Wherein, the top surface of former soil slope 1 has also laid soft permeable bed, soft permeable bed includes the horizontally pipe network of permeating water 6, it buries a plurality of ditches (not shown in the figure) of correspondingly seting up on the top surface of former soil slope 1 underground to permeate water pipe network 6, and the pipe network of permeating water 6 is linked together with the upper end of each soft pipe 2 of permeating water.
Therefore, the top surface of the original soil slope 1 is prevented from collecting water, and the effects of collection and drainage are better.
Referring to fig. 5-7, the reinforcing steel bar anchor rod 41 includes a main bar 411, the main bar 411 is inserted into the slope surface and the exposed tail end is connected to the reinforcing steel bar mesh 42, the main bar 411 is a threaded steel bar, a rib bracket 412 is disposed on the main bar 411, the rib bracket 412 includes three thin round steel bars 413 uniformly distributed along the circumference of the main bar 411, the length direction of the thin round steel bars 413 is the same as the length direction of the main bar 411, two ends of the thin round steel bars 413 are fixedly connected to the outer circumference of the main bar 411, and a curved protrusion 414 extending radially outward of the main bar 411 is disposed in the middle of the thin round steel bars 413.
Therefore, the structure is simple, the cost is low, and the anchoring stability is good.
Wherein, a plurality of rib brackets 412 are arranged on the main rib 411 at intervals along the length direction of the main rib 411 to further improve the anchoring stability.
Wherein, the exposed tail end of the main bar 411 is bent to be parallel to the reinforcing steel bar mesh 42 and fixedly welded with the reinforcing steel bar mesh 42.
This facilitates the connection of the exposed ends of the cage bars 411 to the reinforcing mesh 42, which is also more secure.
In order to facilitate understanding of the slope bolting-shotcreting supporting structure, the construction process is further described.
The reinforcing bar anchor rods 41 and the reinforcing mesh reinforcements 42 are prefabricated in advance.
Leveling the slope surface and the top surface of the original soil slope 1, and removing dangerous pumice on the slope surface and the top surface; excavation longitudinal embedded groove 11 on the slope surface of limit, excavation parallel soil ditch and cross soil ditch on the top surface, correspond the level in each soil ditch and bury the soft pipe of permeating water, the soft pipe of permeating water of each level communicates each other and forms the pipe network 6 of permeating water, the pipe network 6 of permeating water further with correspond the soft pipe 2 intercommunication of permeating water that buries in each embedded groove 11, the soft pipe 2's of permeating water lower extreme then communicates with the drain pipe 5 of pre-buried in the slope surface bottom of limit of each embedded groove 11, backfills.
Referring to fig. 5, the slope surfaces of the side slopes may be synchronously arranged in a rectangular array and drilled with anchoring holes 100, the soil with holes may be used for the above-mentioned backfilling, after the above-mentioned backfilling, the steel bar anchor rods 41 are correspondingly inserted into the anchoring holes 100, cement mortar No. M30 is poured into the anchoring holes 100, after the strength is reached, the reinforcing steel bar mesh 42 is laid, and the exposed tail ends of the steel bar anchor rods 41 are bent in a proper direction convenient for connecting with the reinforcing steel bar mesh 42 and are welded and fixedly connected with each other; and (3) controlling pressure and spraying concrete grout (C25 concrete), solidifying the concrete grout on the slope surface to form a solidified body, covering the slope surface, and burying the tail end of the steel bar anchor rod 41 and the reinforcing steel bar mesh 42 in the concrete grout sprayed solidified body 43 to form the anchor spraying reinforcing layer 4.
In specific data, an included angle between an anchoring hole and a horizontal plane can be declined by 15 degrees, the anchoring hole is drilled with a hole with the diameter of 90 degrees and is three meters and five deep, a main rib selects a deformed steel bar with the diameter of 22 degrees and is inserted into the hole for three meters, a deformed steel bar with the diameter of 8 degrees is selected as a thin round steel bar, the maximum outer circle part of the rib support is also formed into the diameter of 90 degrees so as to be matched with the anchoring hole, the reinforcing steel bar net can select the diameter of 8 degrees and the mesh hole;
the distance between the rectangular array type anchoring holes is one meter two, the longitudinal distance between the embedded grooves is two meters, when the embedded grooves interfere with a certain row of anchoring holes, the corresponding embedded grooves are arranged near the corresponding row of anchoring holes, and the minimum interval is 100; the flexible water permeable pipe is preferably 50 in diameter, the water discharge pipe is preferably 100 in diameter, and the sprayed concrete is 100 in thickness.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. Slope anchor shotcrete supporting construction, including former soil slope, its characterized in that: the method comprises the following steps that a plurality of pre-buried grooves are formed in the slope surface of the original soil slope, the pre-buried grooves extend along the slope surface up and down, the slope surfaces of all the pre-buried grooves are longitudinally arranged at intervals, soft water permeable pipes in the same direction as the extending direction of the pre-buried grooves are arranged in the pre-buried grooves, backfill matrixes are contained in the pre-buried grooves so as to embed the soft water permeable pipes in the pre-buried grooves, and the backfill matrixes are flush with the slope surface; the anchor spraying reinforcing layer is further arranged on the slope surface of the side and comprises a plurality of steel bar anchor rods inserted into the slope surface of the side in an array mode, the tail ends of the steel bar anchor rods exposed out of the slope surface are connected with reinforcing steel bar meshes paved on the slope surface of the side, and the reinforcing steel bar meshes and the exposed tail ends of the steel bar anchor rods are buried in the sprayed concrete slurry solidified body covering the slope surface of the side.
2. The slope bolting and shotcreting support structure according to claim 1, wherein: the lower ends of all the soft water permeable pipes are communicated to a drain pipe, the drain pipe is arranged at the bottom of the slope surface of the edge and extends along the longitudinal direction of the slope surface of the edge so that the soft water permeable pipes are vertically connected with the drain pipe, and the drain pipe is connected with a municipal drainage system.
3. The side slope bolting and shotcreting support structure according to claim 2, wherein: the drain pipe is also buried in the side slope.
4. The slope bolting and shotcreting support structure according to claim 1, wherein: the top surface of former soil side slope has also laid soft permeable bed, soft permeable bed includes the horizontally pipe network that permeates water, the pipe network that permeates water buries a plurality of ditches of corresponding seting up on the top surface of former soil side slope underground, and the pipe network that permeates water is linked together with the upper end of each soft pipe that permeates water.
5. The slope bolting and shotcreting support structure according to claim 1, wherein: the reinforcing bar stock includes the main muscle, the main muscle inserts that the limit is domatic and exposed tail end links to each other with reinforcing bar net, the main muscle adopts the twisted steel, is equipped with the rib support on the main muscle, the rib support includes along three thin round reinforcing bars of main muscle circumference equipartition, the length direction and the main muscle syntropy of thin round reinforcing bar, the both ends and the main muscle of thin round reinforcing bar link firmly mutually, and the middle part of thin round reinforcing bar has the radial epitaxial curved protruding portion of edge main muscle.
6. The side slope bolting and shotcreting support structure according to claim 5, wherein: a plurality of rib brackets are arranged on the main rib at intervals along the length direction of the main rib.
7. The side slope bolting and shotcreting support structure according to claim 5, wherein: the exposed tail end of the main bar is bent to be parallel to the reinforcing steel bar mesh and fixedly connected with the reinforcing steel bar mesh in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021082508.8U CN212452701U (en) | 2020-06-12 | 2020-06-12 | Slope anchor shotcrete supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021082508.8U CN212452701U (en) | 2020-06-12 | 2020-06-12 | Slope anchor shotcrete supporting construction |
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| Publication Number | Publication Date |
|---|---|
| CN212452701U true CN212452701U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021082508.8U Active CN212452701U (en) | 2020-06-12 | 2020-06-12 | Slope anchor shotcrete supporting construction |
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|---|---|
| CN (1) | CN212452701U (en) |
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- 2020-06-12 CN CN202021082508.8U patent/CN212452701U/en active Active
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