CN220394584U - Temporary side slope reinforcement system in grading excavation process - Google Patents
Temporary side slope reinforcement system in grading excavation process Download PDFInfo
- Publication number
- CN220394584U CN220394584U CN202321804795.2U CN202321804795U CN220394584U CN 220394584 U CN220394584 U CN 220394584U CN 202321804795 U CN202321804795 U CN 202321804795U CN 220394584 U CN220394584 U CN 220394584U
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- Prior art keywords
- grouting
- temporary
- steel pipe
- ring
- slope
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000009412 basement excavation Methods 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 239000004567 concrete Substances 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 16
- 238000000926 separation method Methods 0.000 claims description 11
- 239000011435 rock Substances 0.000 description 10
- 239000002689 soil Substances 0.000 description 10
- 238000010276 construction Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 5
- 238000007569 slipcasting Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000011440 grout Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to the field of slope reinforcement, and particularly discloses a temporary slope reinforcement system in a grading excavation process, which comprises a temporary slope layer and a temporary grouting anchor, wherein the temporary slope layer is formed by spraying concrete on a slope, and the thickness of the temporary slope layer is 5-20cm; the grouting anchor comprises a reinforcing anchor head, a reinforcing steel pipe and sealing rings, wherein the reinforcing steel pipe is detachably arranged on the reinforcing anchor head, two mounting grooves are formed in the outer wall of the reinforcing steel pipe, two sealing rings are arranged on the mounting grooves, a first grouting hole is formed in the outer wall of the reinforcing steel pipe, the first grouting hole is arranged below the sealing ring at the lowest position, a second grouting hole is formed in the outer wall of the reinforcing steel pipe, and grouting pipes can be connected in the second grouting hole. The utility model aims to solve the technical problem of how to temporarily strengthen and support the side slope in the process of excavating the side slope.
Description
Technical Field
The utility model relates to the field of slope reinforcement, and particularly discloses a temporary slope reinforcement system in a grading excavation process.
Background
The side slope is a slope surface with a certain gradient, which is made on two sides of the roadbed in order to avoid the phenomenon of falling rocks or landslide of the slope surface and ensure the stability of the roadbed. The side slope is generally excavated in an up-down manner in the construction engineering process, and in the excavation process, in order to ensure the stability and firmness of the side slope, the side slope is mostly excavated at one stage, supported at one stage, and the side slope is supported as fixedly as possible. However, due to the fact that the excavation period is long, if heavy rain weather is met, a large amount of rainwater permeates into soil layers or rock strata, side slopes can be unstable, landslide, collapse and the like occur during construction, and therefore the side slopes are required to be temporarily reinforced.
Disclosure of Invention
Therefore, the utility model aims to provide a temporary reinforcing system for a side slope in a grading excavation process, so as to solve the technical problem of how to temporarily reinforce and support the side slope in the excavation process.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the temporary slope reinforcement system comprises a temporary slope layer and a temporary grouting anchor, wherein the temporary slope layer is formed by spraying concrete on a slope, and the thickness of the temporary slope layer is 5-20cm; the grouting anchor comprises a reinforcing anchor head, a reinforcing steel pipe and sealing rings, wherein the reinforcing steel pipe is detachably arranged on the reinforcing anchor head, two mounting grooves are formed in the outer wall of the reinforcing steel pipe, two sealing rings are arranged on the mounting grooves, a first grouting hole is formed in the outer wall of the reinforcing steel pipe, the first grouting hole is arranged below the sealing ring at the lowest position, a second grouting hole is formed in the outer wall of the reinforcing steel pipe, and grouting pipes can be connected in the second grouting hole. The temporary slope layer and the temporary grouting anchor are arranged in the scheme, the temporary slope layer is formed by spraying concrete, the thickness of the temporary slope layer is not required to be too thick, the purpose of the temporary slope layer is mainly to prevent rainwater, and the phenomenon that the slope is unstable due to the fact that the rainwater permeates into a soil layer during construction is avoided. When the temporary grouting anchor is used, the temporary grouting anchor is drilled into a soil layer or a rock stratum, then grout is poured into the temporary grouting anchor, certain pressure is poured into the temporary grouting anchor, the grout is solidified after entering the soil layer and the rock stratum, the soil layer and the rock stratum are reinforced, and therefore the whole side slope is reinforced. The grouting reinforcement needs to be carried out by setting the reinforcement depth below the excavated slope as a permanent reinforcement layer.
Optionally, the mounting groove is annular, the sealing ring includes two semi-annular sealing rings, be provided with the screw hole on the both ends lateral wall of sealing ring, two screw holes of two opposite one ends of sealing ring align, can screw in bolt and nut in two screw holes. By adopting the scheme, after the sealing rings are arranged on the reinforced steel pipe, an independent space can be formed between the two sealing rings and the anchor hole on the slope, and after quick-drying cement is poured into the space subsequently, gaps between the anchor hole and the reinforced steel pipe are plugged, so that the subsequent pressure grouting is carried out on the soil layer and the rock stratum.
Optionally, a groove is formed in the sealing ring, the threaded hole is formed in the groove, and the bolt and the nut are located inside the groove. By adopting the scheme, the two sealing rings are convenient to connect, so that the sealing rings can be more conveniently installed in the reinforced steel pipe.
Optionally, be provided with solid fixed ring on the second slip casting hole towards the inboard one end inner wall of reinforcement steel pipe, be provided with first fixed orifices on the solid fixed ring, be provided with the fixed head on the slip casting pipeline, the fixed head is annular, and the fixed head can laminate with solid fixed ring, is provided with the second fixed orifices on the fixed head, can connecting bolt on first fixed orifices and the second fixed orifices. By adopting the scheme, because the length of the reinforced steel pipe is longer, the grouting pipeline is easier to install from the outside, and the grouting pipeline in the scheme can be inserted from the outside of the second grouting hole inwards and then taken out from the pipe orifice, and then the fixing head is connected with the fixing ring.
Optionally, the outer diameter of the grouting pipeline is smaller than the inner diameter of the fixing ring, and sealing gaskets are arranged on the opposite sides of the fixing ring and the fixing head.
Optionally, the tip of slip casting pipeline is provided with the metal ring, metal ring and fixed head concentric welded connection, be provided with a plurality of annular breaking away from the groove on the metal ring, break away from the groove setting on the inner circle and the outer circle of metal ring, a plurality of break away from the groove and form a plurality of wall thickness's separation portion on the metal ring. By adopting the scheme, after grouting of the reinforced steel pipe between the two sealing rings is completed, the reinforced steel pipe is not convenient to move, at the moment, the separation part on the metal ring is crisp, and the grouting pipeline is directly pulled out in the follow-up process.
The working principle and the beneficial effects of the scheme are as follows:
in this scheme, in order to carry out temporary support to the side slope, the preliminary waterproof is carried out in order to carry out on the side slope in advance to shotcrete, avoids because the rainwater is too much and leads to the side slope to appear collapsing, landslide etc. condition. Meanwhile, the scheme is characterized in that the deep soil layer and the deep rock stratum are reinforced by adopting the reinforced steel pipe to carry out pressure grouting, and after the deep soil layer and the rock stratum are reinforced, the stability of the whole side slope is improved. Meanwhile, the grouting reinforcement of the side slope is not damaged later, and because the depth of the grouting reinforcement is deep enough, the side slope excavation does not affect the reinforcement part, so the reinforcement part can provide a foundation for the side slope reinforcement construction of the anchor cable concrete structure later, and the construction period is further saved.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
FIG. 2 is a schematic structural view of a temporary grouting anchor;
FIG. 3 is a schematic view of the structure of the stationary head, stationary ring and part of the grouting pipe.
The figures are marked as follows: the device comprises a temporary slope layer 1, a reinforcing anchor head 2, a reinforcing steel pipe 3, a sealing ring 4, a first grouting hole 5, a second grouting hole 6, a groove 7, a threaded hole 8, a fixing ring 9, a fixing head 10, a grouting pipeline 11 and a separation groove 12.
Detailed Description
The following is a further detailed description of the embodiments:
examples
A temporary slope reinforcement system in a grading excavation process is shown in fig. 1-3, and comprises a temporary slope layer 1 and a temporary grouting anchor.
The temporary slope layer 1 is formed by spraying concrete on the slope, the thickness of the temporary slope layer 1 is 5-20cm, and the coverage surface of the temporary slope layer 1 is preferably at the side surface and the top surface of the slope.
The grouting anchor comprises a reinforcing anchor head 2, a reinforcing steel tube 3 and a sealing ring 4. The reinforcing steel pipe 3 is detachably arranged on the reinforcing anchor head 2, and the reinforcing anchor head 2 has a drilling function. Two mounting grooves are formed in the outer wall of the reinforced steel pipe 3, a certain distance is reserved between the two mounting grooves, the distance is 0.3-0.8m, and two sealing rings 4 are arranged on the mounting grooves. The outer wall of the reinforced steel pipe 3 is uniformly provided with first grouting holes 5 along the circumferential direction, the first grouting holes 5 are arranged below the bottommost sealing rings 4, the outer wall of the reinforced steel pipe 3 is provided with second grouting holes 6, the second grouting holes 6 are positioned between the two sealing rings 4, and grouting pipelines 11 can be connected in the second grouting holes 6. The second grouting hole 6 is provided with a fixed ring 9 on the inner wall of one end facing the inner side of the reinforced steel pipe 3, and a first fixed hole is arranged on the fixed ring 9. Be provided with fixed head 10 on the slip casting pipeline 11, fixed head 10 is cyclic annular, and fixed head 10 can laminate with solid fixed ring 9, is provided with the second fixed orifices on the fixed head 10, can connecting bolt on first fixed orifices and the second fixed orifices. The outer diameter of the grouting pipeline 11 is smaller than the inner diameter of the fixed ring 9, and sealing gaskets are arranged on the opposite sides of the fixed ring 9 and the fixed head 10. The end of the grouting pipeline 11 is provided with a metal ring, the metal ring is connected with the fixed head 10 in a concentric welding way, a plurality of annular separation grooves 12 are formed in the metal ring, the separation grooves 12 are formed in the inner ring and the outer ring of the metal ring, and a plurality of separation parts with thin walls are formed in the metal ring by the separation grooves 12.
The mounting groove is annular, and sealing ring 4 includes two semi-annular sealing washer, is provided with screw hole 8 on the both ends lateral wall of sealing washer, and two screw holes 8 of two relative one ends of sealing washer align, can screw in bolt and nut in two screw holes 8, and two sealing rings can enclose into annular and then form sealing ring 4. The sealing ring is provided with a groove 7, a threaded hole 8 is formed in the groove 7, and the bolt and the nut are located inside the groove 7.
The specific implementation method comprises the following steps:
firstly, spraying concrete on a side slope to form a temporary side slope layer 1, then drilling holes by using a drilling machine according to a plan to form anchor holes, and reinforcing an anchor head 2 to serve as a drilling bit. After the drilling is completed, the reinforced steel pipe 3 is taken out, the sealing ring 4 is fixedly arranged on the mounting groove of the reinforced steel pipe 3, then the grouting steel pipe is penetrated into the reinforced steel pipe 3 from the outside of the second grouting hole 6, the grouting steel pipe is penetrated out from the upper end of the reinforced steel pipe 3, then the fixing head 10 is connected with the fixing ring 9, and the reinforced steel pipe 3 is put into the anchor hole again. Quick-drying cement is then injected into the grouting steel pipe. An annular concrete sealing structure is formed between the two sealing rings 4 and is used for sealing and reinforcing a gap between the steel pipe 3 and the anchor hole. Finally, the grouting pipeline 11 is pulled out forcefully, then pressure grouting is carried out in the reinforced steel pipe 3, and the grout is injected into the soil layer or the rock stratum nearby from the first grouting holes 5, so that the soil layer and the rock stratum are reinforced, and a supporting effect is achieved.
The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the present utility model.
Claims (6)
1. Temporary side slope reinforcement system in grading excavation process, its characterized in that: the temporary slope layer is formed by spraying concrete on the slope, and the thickness of the temporary slope layer is 5-20cm; the grouting anchor comprises a reinforcing anchor head, a reinforcing steel pipe and sealing rings, wherein the reinforcing steel pipe is detachably arranged on the reinforcing anchor head, two mounting grooves are formed in the outer wall of the reinforcing steel pipe, two sealing rings are arranged on the mounting grooves, a first grouting hole is formed in the outer wall of the reinforcing steel pipe, the first grouting hole is arranged below the sealing ring at the lowest position, a second grouting hole is formed in the outer wall of the reinforcing steel pipe, and grouting pipes can be connected in the second grouting hole.
2. A temporary reinforcement system for a side slope in a hierarchical excavation process according to claim 1, wherein: the mounting groove is annular, the sealing ring comprises two semi-annular sealing rings, threaded holes are formed in the outer side walls of the two ends of the sealing rings, two threaded holes at the opposite ends of the two sealing rings are aligned, and bolts and nuts can be screwed into the two threaded holes.
3. A temporary reinforcement system for a side slope in a hierarchical excavation process according to claim 2, wherein: the sealing ring is provided with a groove, the threaded hole is formed in the groove, and the bolt and the nut are located inside the groove.
4. A temporary reinforcement system for a side slope in a hierarchical excavation process according to claim 3, wherein: the grouting device comprises a grouting pipe, and is characterized in that a fixing ring is arranged on the inner wall of one end of the second grouting hole, which faces the inner side of the reinforced steel pipe, a first fixing hole is formed in the fixing ring, a fixing head is arranged on the grouting pipe and is annular, the fixing head can be attached to the fixing ring, a second fixing hole is formed in the fixing head, and bolts can be connected to the first fixing hole and the second fixing hole.
5. A temporary reinforcement system for a side slope in a hierarchical excavation process according to claim 4, wherein: the outer diameter of the grouting pipeline is smaller than the inner diameter of the fixing ring, and sealing gaskets are arranged on one side of the fixing ring, which is opposite to the fixing head, respectively.
6. A temporary reinforcement system for a side slope in a hierarchical excavation process according to claim 5, wherein: the end part of the grouting pipeline is provided with a metal ring, the metal ring is concentrically welded with the fixed head, a plurality of annular separation grooves are formed in the metal ring, the separation grooves are formed in the inner ring and the outer ring of the metal ring, and a plurality of separation parts are formed in the metal ring by the separation grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321804795.2U CN220394584U (en) | 2023-07-11 | 2023-07-11 | Temporary side slope reinforcement system in grading excavation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321804795.2U CN220394584U (en) | 2023-07-11 | 2023-07-11 | Temporary side slope reinforcement system in grading excavation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220394584U true CN220394584U (en) | 2024-01-26 |
Family
ID=89610843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321804795.2U Active CN220394584U (en) | 2023-07-11 | 2023-07-11 | Temporary side slope reinforcement system in grading excavation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220394584U (en) |
-
2023
- 2023-07-11 CN CN202321804795.2U patent/CN220394584U/en active Active
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| GR01 | Patent grant | ||
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