CN213508496U - Expansion rock slope subducts deformation structure - Google Patents
Expansion rock slope subducts deformation structure Download PDFInfo
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- CN213508496U CN213508496U CN202022015970.2U CN202022015970U CN213508496U CN 213508496 U CN213508496 U CN 213508496U CN 202022015970 U CN202022015970 U CN 202022015970U CN 213508496 U CN213508496 U CN 213508496U
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Abstract
The utility model provides an expansion rock slope subducting deformation structure, which comprises a slope protection and a buffer device; the protection slope is arranged on the slope surface of the expansive rock side slope and used for supporting and reinforcing the expansive rock side slope; a grading platform is arranged at the top of the slope protection and used for stabilizing the side slope; a side ditch platform is arranged at the slope toe of the slope protection and is used for preventing water from reversely permeating into the side slope; a plurality of buffer sets up at the bank protection with the inflation rock slope between domatic at the interval, and buffer is used for subducing the bank protection deformation that arouses because of the inflation rock. The utility model discloses a buffer frame is preset between the slope protection and the expansion rock slope surface, and the buffer frame is filled with the inverted filter, so that the buffer frame and the inverted filter are combined into a whole to bear force together, and the integral strength and rigidity of the slope protection are increased; and the dislocation, the bulging, the local deformation, the expansion deformation damage and the like of the slope protection caused by local expansion are reduced, the deformation and the cracking of the slope protection are effectively controlled, and the integrality of the slope protection, the grading platform and the side ditch platform is protected.
Description
Technical Field
The utility model belongs to the technical field of the expansion rock side slope is administered, concretely relates to expansion rock side slope subducts deformation structure.
Background
The expansibility of the expansive rock body is mainly determined by the content of the montmorillonite, and the higher the content is, the stronger the expansibility is. Montmorillonite is a clay mineral, belongs to the kaolinite family, and has the main physical properties of strong water absorption, water swelling, several times volume increase and paste formation; the strength and the water content of the expansive rock are in direct relation, the volume of the expansive rock is increased after the expansive rock is soaked in water, so that the strength of the expansive rock is greatly reduced and the expansive rock is softened, the connection strength between granular structures and structural surfaces of the expansive rock is directly reduced, and the surface layer and even the whole structure of the side slope are influenced; in severe cases, the expansion rock is weathered and dehydrated to thicken an intergranular adsorption water layer, so that the rock mass is disintegrated.
The quality of expanded rock existing in the side slope is poor, the expanded rock is mostly very soft rock, the shear strength is low, the rock is easy to weather and strong in water absorption, the rock is easy to disintegrate when exposed to air and is easy to expand when meeting water, and the rock is very unfavorable for the stability of the side slope; if the deformation of the expansive rock cannot be controlled, the stability of the expansive rock is affected.
Therefore, it is necessary to provide a structure capable of buffering or reducing the expansion deformation of the expansive rock slope, and the stability of the expansive rock slope is ensured by controlling the slope expansion deformation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an expansion rock side slope subducts deformation structure for overcome among the above-mentioned prior art expansion rock side slope and meet water expansion deformation and lead to bank protection deformation fracture's problem.
In order to achieve the above object, the present invention provides the following technical solutions:
the side slope reduction deformation structure for the expanded rock comprises a protection slope and a buffer device;
the protection slope is arranged on the slope surface of the expansive rock side slope and used for supporting and reinforcing the expansive rock side slope; a grading platform is arranged at the top of the slope protection and used for stabilizing the side slope; a side ditch platform is arranged at the toe of the revetment and is used for preventing water from reversely permeating into the side slope;
buffer is provided with a plurality ofly, and is a plurality of buffer interval set up in between bank protection and the inflation rock slope surface, buffer is used for subducing the bank protection deformation that causes because of the inflation rock.
The expansive rock slope reduction deformation structure preferably comprises a buffer frame and a reverse filter layer;
the buffer frame is in a grid shape and is anchored on the slope surface of the expansion rock slope;
the anti-filtering layer is arranged in the buffering frame, and the anti-filtering layer and the buffering frame are combined into a whole to bear force together and are used for buffering slope protection deformation and anti-filtering drainage.
According to the expansive rock slope reduction deformation structure, as a preferable scheme, the buffer frame is made of an elastic steel plate or a steel bar;
the thickness of the buffer frame is 1-2 m.
As for the expansive rock slope reduction deformation structure, preferably, the material in the reverse filtering layer comprises sand-filled pebbles, and the sand-filled pebbles are filled in the buffer frame to form the reverse filtering layer.
According to the expansive rock slope reduction deformation structure, as a preferable scheme, the distance between every two adjacent buffer frames is 8-12 m.
According to the expansive rock slope reduction deformation structure, as a preferred scheme, the grading platform is provided with a slope top intercepting ditch for preventing rainwater from permeating into the slope;
the slope top intercepting ditch is formed by building C35 concrete.
According to the expansive rock slope reduction deformation structure, as a preferable scheme, the grading platform is built by grouted rubbles.
According to the expansive rock side slope reduction deformation structure, as a preferable scheme, a slope bottom intercepting ditch is formed in the side ditch platform and used for preventing water flowing to a roadbed on a protection slope from reversely permeating into the side slope;
the slope bottom intercepting ditch is built by M7.5 grouted rubble.
According to the expansive rock slope reduction deformation structure, as a preferable scheme, an included angle between a straight line formed by the side ditch platform and a horizontal line is 2-5 degrees;
the lateral ditch platform is formed by masonry of stone slab concrete.
In the expansive rock slope mitigation deformation structure, preferably, the revetment is formed by pouring C35 stone concrete.
Compared with the closest prior art, the utility model provides a technical scheme has following excellent effect:
the utility model discloses a preset the buffering frame between bank protection and inflation rock side slope domatic, and pack the inverted filter in the buffering frame, make buffering frame and inverted filter laminate and close common atress as an organic whole, because the combined action of buffering frame, the inverted filter no longer is the monomer atress, but produces the flexible construction that disperses through buffering frame construction, the inverted filter receives the expansion deformation power, through buffering frame and inverted filter interact and influence, decompose the deformation, convert most vertical force into the yawing force, make the local expansive force of inflation rock side slope disperse into the yawing force, local atress converts the whole deformation of structure, slope protection bulk strength and rigidity have been increased; and the phenomena of slope protection dislocation, bulging, local deformation, expansion deformation damage and the like caused by local expansion are reduced or avoided, the damage conditions of slope protection deformation cracking and the like can be effectively controlled, and the method has the characteristics of high efficiency, easiness in operation and simplicity and convenience.
The utility model provides a buffering frame doubles as flexible template, utilizes the big characteristics of elongation of buffering frame material, adapts to the great uneven deformation of anti-filtering layer, decomposes through warping, has reduced the bank protection because of the deformation that the expansion rock expansive force arouses to improve slope protection structure's anti expansion deformation ability, the expansion deformation of expansion rock receives the buffering back of buffering frame and anti-filtering layer, has effectively protected the integrality of bank protection, hierarchical platform and side ditch platform.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic cross-sectional view of a structure for reducing deformation according to an embodiment of the present invention;
fig. 2 is a schematic plan view of a structure for reducing deformation according to an embodiment of the present invention.
In the figure: 1. slope protection; 2. a buffer frame; 3. a lateral ditch platform; 301. a slope bottom intercepting ditch; 4. a grading platform; 401. a slope top intercepting ditch; 5. and (4) an inverted filter layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The utility model provides an expansion rock slope subducts deformation structure, through preset buffering frame 2 between slope protection 1 and expansion rock slope domatic, and pack the inverted filter 5 in buffering frame 2, make buffering frame 2 and inverted filter 5 close into an organic whole common atress, because the combined action of buffering frame 2, inverted filter 5 is no longer the monomer atress, but produces the flexible construction that disperses through buffering frame 2 structure, inverted filter 5 receives the expansion deformation power, through buffering frame 2 and inverted filter 5 interact influence each other, decompose the deformation, convert most of vertical force into the yawing force, make expansion rock slope local expansion power disperse into the yawing force, local atress converts the structure whole deformation, slope protection 1 bulk strength and rigidity have been increased; and the phenomena of dislocation, bulging, local deformation, expansion deformation damage and the like of the revetment 1 caused by local expansion are reduced or avoided, and the damage conditions of deformation, cracking and the like of the revetment 1 can be effectively controlled.
As shown in fig. 1-2, the utility model provides an expansion rock side slope subducts deformation structure in the embodiment of the utility model, including bank protection 1, should subdue deformation structure and still include buffer.
The protection slope 1 is arranged on the slope surface of the expansive rock side slope and used for supporting and reinforcing the expansive rock side slope; a grading platform 4 is arranged at the top of the revetment 1, and the grading platform 4 is used for stabilizing a side slope; the toe of slope protection 1 is provided with side ditch platform 3, and side ditch platform 3 is used for preventing that the water from reverse osmosis gets into the side slope.
In the embodiment of the present invention, the revetment 1 is formed by pouring C35 stone concrete. Wherein, C35 is concrete strength grade, which is a process of mixing rubbles during the concrete casting of C35 to form rubble concrete, and C35 concrete is mixed with 15% of rubbles to form rubble concrete, specifically, the concrete is firstly put in, then partial rubbles are cast and filled, and then the concrete is put in.
Under the general condition, bank protection 1 can not reach the atress requirement of retaining wall, and bank protection 1 mainly covers naked rock, prevents that rainwater from erodeing and rock from dropping, can do some models on the surface of bank protection 1 usually, does some lattice ditches, and is pleasing to the eye promptly, is convenient for the rainwater again and leaves.
Expansion joints are arranged on the slope protection 1 at intervals of 10-20 m, the expansion joints are arranged at the boundary of soil and stone, and the width of each expansion joint is 2-3 cm; filling asphalt reinforcing bars or asphalt wood boards along the inner edge, the outer edge and the top edge in the expansion joint, wherein the filling depth is not less than 0.2 m; the expansion joints are arranged to prevent cracks in the masonry due to shrinkage and hardening and temperature changes, and settlement joints (settlement joints are arranged according to changes of geological conditions and changes of wall height and wall body section to avoid body building cracks caused by uneven settlement of the foundation) and the expansion joints are combined. The utility model discloses in the concrete embodiment, do not do any restriction to the slope size of bank protection 1, bank protection 1 in this embodiment only is used for the side slope in expansion rock area, only limits in the expansibility that subducts expansion rock, does not have the requirement to the slope of bank protection 1, and the slope size is the geographical environmental condition who depends on among the practical application.
In the embodiment of the utility model, the grading platform 4 is provided with a slope top intercepting ditch 401, and the slope top intercepting ditch 401 is used for preventing rainwater from infiltrating into the side slope; the slope top intercepting drain 401 is formed by building C35 concrete.
In the embodiment of the present invention, the grading platform 4 is formed by laying mortar rubble. The grouted rubble is commonly used as a slope 1 of a side slope or some highways in roadbed engineering, is a masonry structure built by mortar and rubble materials, the rubble materials are irregular, the thickness of the short edge is about 15cm, the rubble materials are sometimes used, the shape and the size of the rubble materials are not clearly divided, the rubble materials are generally close to cuboids and are rubble materials, and in the specific embodiment, the size of the rubble materials is not limited.
In the embodiment of the utility model, the side ditch platform 3 is provided with a slope bottom intercepting ditch 301, and the slope bottom intercepting ditch 301 is used for preventing water flowing to the roadbed on the slope protection 1 from reversely infiltrating into the side slope; the slope bottom intercepting ditch 301 is formed by building M7.5 grouted rubble. The M7.5 grouted flaked stone is a flaked stone which is built by cement mortar with the standard strength of 7.5 MPa.
In the embodiment of the present invention, as shown in fig. 2, the included angle α between the straight line formed by the lateral ditch platform 3 and the horizontal line is 2-5 ° (e.g. 2 °, 2.5 °, 3 °, 3.5 °, 4 °, 4.5 °, 5 °); the lateral ditch platform 3 is built by stone slab concrete.
Buffer is provided with a plurality ofly, and a plurality of buffer intervals set up between slope protection 1 and expansion rock side slope domatic, and buffer is used for subducing 1 deformations of bank protection that arouse because of the expansion rock.
In the embodiment of the present invention, the buffering device includes a buffering frame 2 and a reverse filtering layer 5; the buffer frame 2 is in a grid shape, the buffer frame 2 is anchored on the slope surface of the expansive rock slope, and the buffer frame 2 is fixed on the slope surface of the expansive rock slope through anchor rods; the reverse filtering layer 5 is arranged in the buffering frame 2, and the reverse filtering layer 5 and the buffering frame 2 are combined into a whole to bear force together for buffering the deformation of the slope protection 1 and reversely filtering and draining water.
Wherein, among the practical application, buffering frame 2 includes a plurality of little check, be latticed, the material of inverted filter 5 directly fills and forms inverted filter 5 in the little check of buffering frame 2, after the expansion rock warp, inverted filter 5 receives inhomogeneous expansive force and takes place the expansion deformation, through buffering frame 2 and the 5 interact of inverted filter influence, decompose the deformation, 1 bulk strength and rigidity of bank protection have been increased, the deformation that slope protection 1 arouses because of the expansion rock expansive force has been reduced, thereby the anti-expansion deformability of slope protection 1 structure is improved.
In the embodiment of the present invention, the buffer frame 2 is made of an elastic steel plate or a steel bar; the thickness of the buffer frame 2 is 1-2 m (such as 1m, 1.2m, 1.4m, 1.6m, 1.8m, 2 m). Wherein, because the material elongation of buffering frame 2 is great for buffering frame 2 doubles as flexible template, when side slope atress or expansion deformation, buffering frame 2 links inverted filter 5 together, adapts to the great uneven deformation of inverted filter 5, in addition, the utility model discloses in do not do the injecing to buffering frame's size, because side slope destruction degree and expansibility are different, need design according to the particular case of expansion rock side slope.
In practical application, the setting of buffering frame 2 is not all slopes and all sets up, and buffering frame 2 is that the interval sets up, only need can satisfy the atress requirement can, buffering frame 2 mainly plays the effect of the buffer bridge between expansion rock side slope and the bank protection 1, and expansion rock side slope deformation is unlikely to lead to bank protection 1 fracture.
In the embodiment of the present invention, the distance between the adjacent buffer frames 2 is 8-12 m (for example, 8m, 8.5m, 9m, 9.5m, 10m, 10.5m, 11m, 11.5m, 12 m).
In the embodiment of the present invention, the material in the inverted filter layer 5 includes sand-filled pebbles, and the sand-filled pebbles are filled in the buffer frame 2 to form the inverted filter layer 5; the mud content in the sand-filled pebbles is not more than 3 percent.
To sum up, the utility model discloses a buffer frame 2 doubles as flexible template, utilizes the big characteristics of elongation of buffer frame 2 material, adapts to the great uneven deformation of inverted filter 5, through decomposing the deformation, has reduced the deformation that bank protection 1 arouses because of the expansive rock expansive force, subducts or has avoided the phenomenon such as bank protection 1 dislocation, bulging, local deformation, expansion deformation destruction that arouses because of local inflation, can effectively control the destruction circumstances such as bank protection 1 deformation fracture; and improve the anti expansion deformation ability of bank protection 1 structure, the expansion deformation of expansion rock receives the buffering back of buffer frame 2 and inverted filter 5, has effectively protected bank protection 1, hierarchical platform 4 and side ditch platform 3's integrality.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as the following claims are intended to cover all modifications, equivalents, and improvements falling within the spirit and principles of the present invention.
Claims (10)
1. The side slope reduction deformation structure for the expanded rock comprises a protection slope and is characterized by further comprising a buffer device;
the protection slope is arranged on the slope surface of the expansive rock side slope and used for supporting and reinforcing the expansive rock side slope; a grading platform is arranged at the top of the slope protection and used for stabilizing the side slope; a side ditch platform is arranged at the toe of the revetment and is used for preventing water from reversely permeating into the side slope;
buffer is provided with a plurality ofly, and is a plurality of buffer interval set up in between bank protection and the inflation rock slope surface, buffer is used for subducing the bank protection deformation that causes because of the inflation rock.
2. The expanded rock slope mitigation deformation structure of claim 1, wherein the buffering means comprises a buffering frame and a reverse filter;
the buffer frame is in a grid shape and is anchored on the slope surface of the expansion rock slope;
the anti-filtering layer is arranged in the buffering frame, and the anti-filtering layer and the buffering frame are combined into a whole to bear force together and are used for buffering slope protection deformation and anti-filtering drainage.
3. The expansive rock slope mitigation deformation structure of claim 2, wherein the buffering frame is made of elastic steel plates or steel bars;
the thickness of the buffer frame is 1-2 m.
4. The swelling rock slope mitigation deformation structure of claim 2, wherein the material in the backwash layer comprises sand pebbles filled in the buffer frame to form the backwash layer.
5. The expansive rock slope mitigation deformation structure of claim 2, wherein a distance between two adjacent buffer frames is 8-12 m.
6. The expansive rock side slope mitigation deformation structure of claim 1, wherein a slope top intercepting drain is formed on the grading platform and used for preventing rainwater from penetrating into the side slope;
the slope top intercepting ditch is formed by building C35 concrete.
7. The expansive rock slope mitigation deformation structure of claim 6, wherein the grading platform is masonry of grouted rubble.
8. The expansive rock side slope mitigation deformation structure of claim 1, wherein a slope bottom intercepting ditch is formed on the side ditch platform and used for preventing water flowing to a roadbed on the protection slope from reversely permeating into the side slope;
the slope bottom intercepting ditch is built by M7.5 grouted rubble.
9. The expansive rock slope mitigation deformation structure of claim 8, wherein an included angle between a straight line formed by the side trench platform and a horizontal line is 2-5 degrees;
the lateral ditch platform is formed by masonry of stone slab concrete.
10. The expansive rock side slope mitigation deformation structure of any one of claims 1 to 9, wherein the revetment is cast from C35 stone concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022015970.2U CN213508496U (en) | 2020-09-15 | 2020-09-15 | Expansion rock slope subducts deformation structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022015970.2U CN213508496U (en) | 2020-09-15 | 2020-09-15 | Expansion rock slope subducts deformation structure |
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| CN213508496U true CN213508496U (en) | 2021-06-22 |
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| CN202022015970.2U Active CN213508496U (en) | 2020-09-15 | 2020-09-15 | Expansion rock slope subducts deformation structure |
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