CN111945775B - Assembled expansive soil slope ecological shock attenuation reinforced earth double sided board unit and native barricade - Google Patents

Assembled expansive soil slope ecological shock attenuation reinforced earth double sided board unit and native barricade Download PDF

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Publication number
CN111945775B
CN111945775B CN202010829256.9A CN202010829256A CN111945775B CN 111945775 B CN111945775 B CN 111945775B CN 202010829256 A CN202010829256 A CN 202010829256A CN 111945775 B CN111945775 B CN 111945775B
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metal body
prefabricated panel
panel
soil
reinforced
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CN111945775A (en
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李亚龙
林宇亮
杨果林
刘项
徐永福
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Shanghai Jiaotong University
Central South University
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Shanghai Jiaotong University
Central South University
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
    • A01G9/022—Pots for vertical horticulture
    • A01G9/025—Containers and elements for greening walls
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
    • E02D29/0241—Retaining or protecting walls comprising retention means in the backfill the retention means being reinforced earth elements
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E02D29/0258—Retaining or protecting walls characterised by constructional features
    • E02D29/0266—Retaining or protecting walls characterised by constructional features made up of preformed elements
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/08—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0026—Metals
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0026—Metals
    • E02D2300/0029—Steel; Iron
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00—Miscellaneous
    • E02D2600/20—Miscellaneous comprising details of connection between elements

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental Sciences (AREA)
  • Revetment (AREA)

Abstract

The invention provides an assembled expansive soil slope ecological shock absorption reinforced soil double-sided board unit, which comprises a first prefabricated panel, a second prefabricated panel, an elastic deformation layer and a mixed shock absorption damping element, wherein the elastic deformation layer and the mixed shock absorption damping element are arranged between the first prefabricated panel and the second prefabricated panel; grooves or tenons for matched embedding are arranged at the top and the bottom of the first prefabricated panel and the second prefabricated panel; a planting groove is formed in the side face of the first prefabricated panel; a draw hook extends out of the side surface of the second prefabricated panel; the elastic deformation layer is made of a high polymer material which can generate elastic deformation after being stressed; and two ends of the mixed damping element are fixedly connected with the first prefabricated panel and the second prefabricated panel respectively. The invention also provides an assembled type expansive soil side slope reinforced earth retaining wall which comprises a reinforced earth retaining wall foundation structure, reinforced earth reinforcement materials, the assembled type expansive soil side slope ecological shock absorption reinforced earth double-sided board unit and cap stones. The invention has the characteristics of ecological friendliness, shock absorption, disaster reduction and rigidity and softness, and is particularly suitable for the geological conditions of expansive soil.

Description

Assembled expansive soil slope ecological shock attenuation reinforced earth double sided board unit and native barricade
Technical Field
The invention belongs to the technical field of expansive soil slope support, and particularly relates to an assembled expansive soil slope ecological damping reinforced soil double-sided plate unit and a soil retaining wall.
Background
Because the expansive soil has the characteristics of water absorption expansion and water loss shrinkage, diseases such as landslide and foundation uplift are easy to occur under the influence of factors such as temperature and rainfall, and therefore, the expansive soil is a technical problem which is difficult to overcome in the geotechnical engineering industry all the time.
The existing expansive soil side slope retaining structure, such as a pile plate wall, a gravity type retaining wall and other rigid retaining structures, can have the phenomena of inclined retaining wall, sliding and the like under the repeated expansion and contraction deformation action of a soil body. In addition, the slope surface of the traditional supporting structure is difficult to be effectively covered by vegetation and lacks effective water-proof and drainage measures, so that repeated expansion and contraction deformation of the expansive soil slope is easily generated, and further the slope is damaged.
The reinforced retaining wall is a light flexible retaining structure, and compared with the traditional gravity retaining wall, the reinforced retaining wall has the advantages of simple and convenient construction, lower manufacturing cost, good terrain adaptability and the like, so that the reinforced retaining wall is widely applied to expansive soil slope engineering.
However, the existing expansive soil side slope reinforced earth retaining wall has the defects of poor ecological adaptability, poor earthquake resistance, complicated construction process and the like.
Patent document CN201910322650 discloses a damping panel assembled reinforced earth retaining wall and a construction method thereof, wherein the damping panel assembled reinforced earth retaining wall comprises a retaining wall body and a wall rear filling body; the retaining wall body is arranged at the front end of the side slope, and the wall rear filling body is arranged between the retaining wall body and the side slope; the retaining wall body comprises an assembled foundation layer, a bottom panel layer, a hard supporting layer, a lower transition panel layer, a damping energy dissipation layer, an upper transition panel layer and a capping panel layer which are sequentially arranged from bottom to top. The filler behind the wall comprises a reverse filter layer, a geosynthetic material, a reinforced region geotechnical filler and non-reinforced region filling soil. However, the installation of the reinforced retaining wall is very inconvenient and the reinforced retaining wall can not always restore to the original state after the damping effect is generated, so that the original damping effect is difficult to play when the next vibration occurs.
Therefore, a new method or structure is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide an assembled type expansive soil side slope ecological shock absorption reinforced soil double-sided board unit and a soil retaining wall, and aims to solve the problems that the existing expansive soil side slope reinforced soil retaining wall proposed in the background technology has the defects of poor ecological adaptability, poor earthquake resistance, complicated construction process and the like.
In order to achieve the aim, the invention provides an assembled type expansive soil side slope ecological shock absorption reinforced soil double-sided board unit which is characterized by comprising a first prefabricated panel arranged on the outer side of a side slope, a second prefabricated panel arranged on the soil filling side of the side slope, and an elastic deformation layer and a mixed shock absorption damping element which are arranged between the first prefabricated panel and the second prefabricated panel; grooves or tenons are arranged at the tops of the first prefabricated panel and the second prefabricated panel, and tenons or grooves which can be matched and embedded with the grooves or tenons arranged at the tops are arranged at the bottoms of the first prefabricated panel and the second prefabricated panel; the outer side surface of the first prefabricated panel is also provided with a planting groove for ecological greening; a drag hook for fixing reinforced earth reinforcement materials extends out of the earth filling side panel of the second prefabricated panel, and the other end of the drag hook is fixed inside the second prefabricated panel; the elastic deformation layer is made of a high polymer material which can generate elastic deformation after being stressed and is used for resisting the expansion force generated by the expansive soil when meeting water; and two ends of the mixed damping element are fixedly connected with the first prefabricated panel and the second prefabricated panel respectively.
In a specific embodiment, the hybrid shock absorbing and damping element comprises a first metal body, a second metal body, a third metal body, a fourth metal body, a friction plate, a shock absorbing spring and a lead support; the first metal body and the third metal body are fixedly connected with the second prefabricated panel, and the second metal body and the fourth metal body are fixedly connected with the first prefabricated panel, or the first metal body and the third metal body are fixedly connected with the first prefabricated panel, and the second metal body and the fourth metal body are fixedly connected with the second prefabricated panel; a friction plate is embedded in and mounted on the lower end panel of the first metal body and is in tight contact with the upper end panel of the second metal body, and a friction plate is also embedded in and mounted on the upper end panel of the fourth metal body and is in tight contact with the lower end panel of the third metal body; when the second metal body is fixedly connected with the first prefabricated panel and the third metal body is fixedly connected with the second prefabricated panel, a damping spring is arranged between the end part of the second metal body close to the second prefabricated panel and the second prefabricated panel, and a damping spring is also arranged between the end part of the third metal body close to the first prefabricated panel and the first prefabricated panel; when the second metal body is fixedly connected with the second prefabricated panel and the third metal body is fixedly connected with the first prefabricated panel, a damping spring is arranged between the end part of the second metal body close to the first prefabricated panel and the first prefabricated panel, and a damping spring is also arranged between the end part of the third metal body close to the second prefabricated panel and the second prefabricated panel; be provided with the lead support between the second metal body and the third metal body, including vertical setting and using the lead of metal lead as its material in the lead support, the upper and lower end of lead support is connected with second metal body and third metal body through the bolt respectively.
In a specific embodiment, the first metal body, the second metal body, the third metal body and the fourth metal body are L-shaped metal bodies and each of them includes a horizontal portion and a vertical portion; the vertical parts of the first metal body, the second metal body, the third metal body and the fourth metal body are fixed in the first prefabricated panel or the second prefabricated panel, and the transverse parts of the first metal body, the second metal body, the third metal body and the fourth metal body extend out towards the other prefabricated panel.
In a specific embodiment, the lead core support comprises a vertically arranged lead core, an upper connecting plate and a lower connecting plate, the upper connecting plate and the lower connecting plate are fixedly connected with the upper end and the lower end of the lead core respectively, and bolt holes are formed in the upper connecting plate and the lower connecting plate and used for bolts to penetrate through the bolt holes to be connected with the second metal body and the third metal body.
In a specific embodiment, the lead core support further comprises an annular steel plate and an annular rubber layer, and the annular steel plate and the annular rubber layer are alternately sleeved on the radial outer side of the lead core in a matching manner and are used for providing restoring force for the lead core support, wherein the restoring force can restore the original shape after deformation.
In a specific embodiment, the upper connecting plate and the lower connecting plate are both steel plates, and the upper connecting plate and the lower connecting plate are connected with the lead core in a welding manner.
In a specific embodiment, the friction plate is a sheet structure made of asbestos friction material; friction grains for increasing friction force are arranged on the second metal body and the third metal body, and the panels are in contact with the friction plates.
In a specific embodiment, the first prefabricated panel and the second prefabricated panel are both reinforced concrete structural members; grooves are formed in the tops of the first prefabricated panel and the second prefabricated panel; tenons which can be matched and embedded with the grooves arranged at the tops are arranged at the bottoms of the first prefabricated panel and the second prefabricated panel; the elastically deformable layer is preferably filled with a foam sheet or rubber.
In a specific embodiment, the fabricated expansive soil slope ecological shock absorption reinforced earth double-panel unit is provided with two mixed shock absorption damping elements at intervals in the vertical direction.
The invention also provides an assembled type expansive soil side slope reinforced retaining wall which comprises a reinforced retaining wall foundation structure, a reinforced soil rib material, an assembled type expansive soil side slope ecological shock absorption reinforced soil double-sided board unit and a cap stone, wherein the reinforced soil retaining wall foundation structure is used for bearing the load of the reinforced retaining wall and transferring the load to a foundation; reinforced earth retaining wall foundation structure sets up in the ground top, and the ecological shock attenuation of assembled inflation soil side slope adds muscle soil double-sided board unit inlays solid the installation in reinforced earth retaining wall foundation structure top, and the installation forms the major part of assembled inflation soil side slope adds muscle soil retaining wall upwards in proper order between the ecological shock attenuation of assembled inflation soil side slope adds muscle soil double-sided board unit, adds muscle soil muscle material and is connected with the drag hook on the ecological shock attenuation of assembled inflation soil side slope adds muscle soil double-sided board unit, on the ecological shock attenuation of assembled inflation soil side slope that the hat stone set up the superiors adds muscle soil double-sided board unit.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the two prefabricated panels are combined to form the double-panel unit, so that the ecological greening of the expansive soil side slope reinforced earth retaining wall is realized, the damage of the lower panel structure of the expansive soil side slope under the action of a high-intensity earthquake is avoided, and the elastic deformation layer can resist the expansive force of the expansive soil. The invention has the characteristics of ecological friendliness, shock absorption, disaster reduction and rigidity and softness, and is particularly suitable for the geological conditions of expansive soil.
According to the invention, the design of the assembled double-sided board unit is formed by the two prefabricated panel structures, so that the rapid construction of the retaining wall structure is realized, and the integrity of the retaining wall is improved by using the grooves and the tenons.
The elastic deformation layer arranged in the middle of the prefabricated panel is made of elastic materials such as foam plates or rubber, expansion force generated by water of expansive soil can be resisted, and displacement energy consumption of the mixed damping element is cooperated.
The application of damping spring, friction disc and lead core support can dissipate and absorb seismic energy through the friction damping of friction disc and the damping of lead core support plastic deformation for alleviate seismic wave to the destruction of barricade structure, and the lead core support can also make the structure dynamic recovery after the earthquake simultaneously, has improved the stability of reinforced earth barricade under the earthquake condition.
The invention is suitable for various topographic and geological conditions, can be used as a temporary or permanent structure, and has convenient transportation and construction and strong adaptability.
According to the invention, the planting grooves are arranged on the first prefabricated panel for ecological greening, so that the attractiveness of the side slope can be improved.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a reinforced earth double sided board unit according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a hybrid shock absorbing damping element in accordance with one embodiment of the present invention;
FIG. 3 is a cross-sectional view of a lead holder according to one embodiment of the invention;
fig. 4 is a schematic structural view of the fabricated expansive soil slope reinforced earth retaining wall of the present invention.
Wherein, 1, a first prefabricated panel; 2. a second prefabricated panel; 3. an elastic deformation layer; 4. a hybrid shock absorbing damping element; 11. planting grooves; 21. pulling a hook; 41. a first metal body; 42. a second metal body; 43. a third metal body; 44. a fourth metal body; 45. a friction plate; 46. a damping spring; 47. a lead support; 471. a lead core; 472. an upper connecting plate; 473. a lower connecting plate; 474. an annular steel plate; 475. an annular rubber layer; 01. a reinforced retaining wall foundation structure; 02. reinforced earth and bar materials; 03. and (4) a cap stone.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms.
The invention provides an assembled expansive soil slope ecological shock absorption reinforced soil double-sided board unit, which comprises a first prefabricated panel 1 arranged on the outer side of a slope, a second prefabricated panel 2 arranged on the soil filling side of the slope, an elastic deformation layer 3 and a mixed shock absorption damping element 4, wherein the elastic deformation layer 3 and the mixed shock absorption damping element 4 are arranged between the first prefabricated panel 1 and the second prefabricated panel 2; grooves or tenons are arranged at the tops of the first prefabricated panel 1 and the second prefabricated panel 2, and tenons or grooves which can be matched and embedded with the grooves or tenons arranged at the tops are arranged at the bottoms of the first prefabricated panel 1 and the second prefabricated panel 2; the outer side surface of the first prefabricated panel 1 is also provided with a planting groove 11 for ecological greening; a drag hook 21 for fixing reinforced earth reinforcement materials extends out of the earth filling side panel of the second prefabricated panel 2, and the other end of the drag hook 21 is fixed inside the second prefabricated panel 2; the elastic deformation layer 3 is made of a high polymer material which can generate elastic deformation after being stressed and is used for resisting the expansive force generated by the expansive soil when meeting water; and two ends of the hybrid shock absorption and damping element 4 are fixedly connected with the first prefabricated panel 1 and the second prefabricated panel 2 respectively.
The hybrid shock absorption and damping element 4 comprises a first metal body 41, a second metal body 42, a third metal body 43, a fourth metal body 44, a friction plate 45, a shock absorption spring 46 and a lead support 47; the first metal body 41 and the third metal body 43 are fixedly connected with the second prefabricated panel 2, and the second metal body 42 and the fourth metal body 44 are fixedly connected with the first prefabricated panel 1, or the first metal body 41 and the third metal body 43 are fixedly connected with the first prefabricated panel 1, and the second metal body 42 and the fourth metal body 44 are fixedly connected with the second prefabricated panel 2; a friction plate 45 is embedded and mounted on the lower end panel of the first metal body 41, the friction plate 45 is in close contact with the upper end panel of the second metal body 42, a friction plate 45 is also embedded and mounted on the upper end panel of the fourth metal body 44, and the friction plate 45 is in close contact with the lower end panel of the third metal body 43; when second metal body 42 is fixedly connected to first prefabricated panel 1 and third metal body 43 is fixedly connected to second prefabricated panel 2, damping spring 46 is arranged between the end portion of second metal body 42 close to second prefabricated panel 2 and second prefabricated panel 2, and damping spring 46 is also arranged between the end portion of third metal body 43 close to first prefabricated panel 1 and first prefabricated panel 1; when second metal body 42 is fixedly connected to second prefabricated panel 2 and third metal body 43 is fixedly connected to first prefabricated panel 1, damping spring 46 is arranged between the end portion of second metal body 42 close to first prefabricated panel 1 and first prefabricated panel 1, and damping spring 46 is also arranged between the end portion of third metal body 43 close to second prefabricated panel 2 and second prefabricated panel 2; a lead support 47 is arranged between the second metal body 42 and the third metal body 43, a lead 471 which is vertically arranged and made of metal lead is arranged in the lead support 47, and the upper end and the lower end of the lead support 47 are respectively connected with the second metal body 42 and the third metal body 43 through bolts.
The first metal body 41, the second metal body 42, the third metal body 43, and the fourth metal body 44 are all L-shaped metal bodies and each include a horizontal portion and a vertical portion; the vertical portions of the first metal body 41, the second metal body 42, the third metal body 43 and the fourth metal body 44 are fixed in the first prefabricated panel 1 or the second prefabricated panel 2 and the lateral portions of the first metal body 41, the second metal body 42, the third metal body 43 and the fourth metal body 44 protrude toward the other prefabricated panel.
The lead core support 47 includes a vertically arranged lead core 471, an upper connecting plate 472 and a lower connecting plate 473, the upper connecting plate 472 and the lower connecting plate 473 are respectively and fixedly connected with the upper end and the lower end of the lead core 471, and bolt holes for bolts to pass through the bolt holes to be connected with the second metal body 42 and the third metal body 43 are respectively arranged on the upper connecting plate 472 and the lower connecting plate 473.
The lead core support 47 further comprises an annular steel plate 474 and an annular rubber layer 475, wherein the annular steel plate 474 and the annular rubber layer 475 are alternately sleeved on the radial outer side of the lead core 471 in a matching manner and are used for providing restoring force for the lead core support 47, and the restoring force can restore the original shape after deformation.
The upper connecting plate 472 and the lower connecting plate 473 are both steel plates, and the upper connecting plate 472 and the lower connecting plate 473 are connected with the lead 471 by welding.
The friction plate 45 is of a sheet structure made of asbestos friction materials; friction lines for increasing friction force are arranged on the panels of the second metal body 42 and the third metal body 43, which are in contact with the friction plate 45.
The first prefabricated panel 1 and the second prefabricated panel 2 are both reinforced concrete structural members; grooves are formed in the tops of the first prefabricated panel 1 and the second prefabricated panel 2; tenons which can be matched and embedded with the grooves arranged at the tops are arranged at the bottoms of the first prefabricated panel 1 and the second prefabricated panel 2; the elastically deformable layer 3 is preferably filled with foam board or rubber.
The assembled type expansive soil slope ecological shock absorption reinforced soil double-sided board unit is provided with two mixed shock absorption damping elements 4 at intervals in the vertical direction.
The invention also provides an assembled type expansive soil side slope reinforced earth retaining wall, which comprises a reinforced earth retaining wall foundation structure 01 for bearing the load of the reinforced earth retaining wall and transferring the load to a foundation, a reinforced earth rib material 02 for improving the side slope stability, the assembled type expansive soil side slope ecological shock absorption reinforced earth double-panel unit and cap stones 03 for compacting the assembled type expansive soil side slope reinforced earth retaining wall; reinforced earth retaining wall foundation structure sets up in the ground top, and the ecological shock attenuation reinforced earth double sided board unit of assembled inflation soil slope inlays admittedly and installs in reinforced earth retaining wall foundation structure top, upwards inlays in proper order between the ecological shock attenuation reinforced earth double sided board unit of assembled inflation soil slope and admittedly installs the main part that forms assembled inflation soil slope reinforced earth retaining wall, and the drag hook 21 on reinforced earth muscle material and the ecological shock attenuation reinforced earth double sided board unit of assembled inflation soil slope is connected, on the ecological shock attenuation reinforced earth double sided board unit of assembled inflation soil slope of cap stone setting the superiors.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions and substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims (9)

1. An assembled type expansive soil side slope ecological shock absorption reinforced soil double-sided board unit is characterized by comprising a first prefabricated panel (1) arranged on the outer side of a side slope, a second prefabricated panel (2) arranged on the soil filling side of the side slope, an elastic deformation layer (3) and a mixed shock absorption damping element (4) which are arranged between the first prefabricated panel (1) and the second prefabricated panel (2); grooves or tenons are arranged at the tops of the first prefabricated panel (1) and the second prefabricated panel (2), and tenons or grooves which can be matched and embedded with the grooves or tenons arranged at the tops are arranged at the bottoms of the first prefabricated panel (1) and the second prefabricated panel (2); the outer side surface of the first prefabricated panel (1) is also provided with a planting groove (11) for carrying out ecological greening; a drag hook (21) for fixing reinforced earth reinforcement materials is extended from the side filling panel of the second prefabricated panel (2), and the other end of the drag hook (21) is fixed inside the second prefabricated panel (2); the elastic deformation layer (3) is made of a high polymer material which can generate elastic deformation after being stressed and is used for resisting the expansion force generated by the expansive soil when meeting water; two ends of the hybrid damping element (4) are respectively fixedly connected with the first prefabricated panel (1) and the second prefabricated panel (2); the hybrid shock absorption and damping element (4) comprises a first metal body (41), a second metal body (42), a third metal body (43), a fourth metal body (44), a friction plate (45), a shock absorption spring (46) and a lead support (47); the first metal body (41) and the third metal body (43) are fixedly connected with the second prefabricated panel (2) and the second metal body (42) and the fourth metal body (44) are fixedly connected with the first prefabricated panel (1), or the first metal body (41) and the third metal body (43) are fixedly connected with the first prefabricated panel (1) and the second metal body (42) and the fourth metal body (44) are fixedly connected with the second prefabricated panel (2); a friction plate (45) is embedded and mounted on the lower end panel of the first metal body (41), the friction plate (45) is in close contact with the upper end panel of the second metal body (42), a friction plate (45) is also embedded and mounted on the upper end panel of the fourth metal body (44), and the friction plate (45) is in close contact with the lower end panel of the third metal body (43); when the second metal body (42) is fixedly connected with the first prefabricated panel (1) and the third metal body (43) is fixedly connected with the second prefabricated panel (2), a damping spring (46) is arranged between the end part, close to the second prefabricated panel (2), of the second metal body (42) and the second prefabricated panel (2), and a damping spring (46) is also arranged between the end part, close to the first prefabricated panel (1), of the third metal body (43) and the first prefabricated panel (1); when the second metal body (42) is fixedly connected with the second prefabricated panel (2) and the third metal body (43) is fixedly connected with the first prefabricated panel (1), a damping spring (46) is arranged between the end part, close to the first prefabricated panel (1), of the second metal body (42) and the first prefabricated panel (1), and a damping spring (46) is also arranged between the end part, close to the second prefabricated panel (2), of the third metal body (43) and the second prefabricated panel (2); be provided with lead support (47) between second metal body (42) and the third metal body (43), including vertical setting and use plumbous lead (471) of metal lead as its material in lead support (47), the upper and lower end of lead support (47) is connected with second metal body (42) and third metal body (43) through the bolt respectively.
2. The assembled type expansive soil slope ecological shock-absorption reinforced soil double-panel unit according to claim 1, wherein the first metal body (41), the second metal body (42), the third metal body (43) and the fourth metal body (44) are all L-shaped metal bodies and each of them comprises a transverse part and a vertical part; the vertical parts of the first metal body (41), the second metal body (42), the third metal body (43) and the fourth metal body (44) are fixed in the first prefabricated panel (1) or the second prefabricated panel (2), and the transverse parts of the first metal body (41), the second metal body (42), the third metal body (43) and the fourth metal body (44) extend towards the other prefabricated panel.
3. The assembled type expansive soil slope ecological shock-absorption reinforced soil double-panel unit as claimed in claim 1, wherein the lead core support (47) comprises a vertically arranged lead core (471), an upper connecting plate (472) and a lower connecting plate (473), the upper connecting plate (472) and the lower connecting plate (473) are fixedly connected with the upper end and the lower end of the lead core (471) respectively, and bolt holes are arranged on the upper connecting plate (472) and the lower connecting plate (473) respectively for bolts to pass through the bolt holes to be connected with the second metal body (42) and the third metal body (43).
4. The assembled type expansive soil slope ecological shock absorption reinforced soil double-panel unit as claimed in claim 3, wherein the lead support (47) further comprises an annular steel plate (474) and an annular rubber layer (475), and the annular steel plate (474) and the annular rubber layer (475) are alternately sleeved on the radial outer side of the lead (471) in a matching manner and are used for providing the restoring force which can restore the original shape after being deformed for the lead support (47).
5. The assembled type expansive soil slope ecological shock-absorption reinforced soil double-panel unit as claimed in claim 3, wherein the upper connection plate (472) and the lower connection plate (473) are both steel plates, and the connection manner of the upper connection plate (472) and the lower connection plate (473) and the lead core (471) is welding.
6. The assembled type expansive soil slope ecological shock absorption reinforced soil double-sided board unit as claimed in claim 1, wherein the friction plates (45) are of a sheet structure made of asbestos friction materials; friction grains for increasing friction force are arranged on the second metal body (42) and the third metal body (43) and the face plates which are in contact with the friction plates (45).
7. The assembled expansive soil slope ecological shock absorption reinforced soil double-panel unit according to claim 1, wherein the first prefabricated panel (1) and the second prefabricated panel (2) are both reinforced concrete structural members; grooves are formed in the tops of the first prefabricated panel (1) and the second prefabricated panel (2); tenons which can be matched and embedded with the grooves arranged at the tops are arranged at the bottoms of the first prefabricated panel (1) and the second prefabricated panel (2); the elastic deformation layer (3) is filled with foam plates or rubber.
8. The assembled type expansive soil slope ecological shock absorption reinforced soil double-sided board unit as claimed in claim 1, wherein the assembled type expansive soil slope ecological shock absorption reinforced soil double-sided board unit is provided with two hybrid shock absorption damping elements (4) at intervals in the vertical direction.
9. An assembled type expansive soil side slope reinforced earth retaining wall is characterized by comprising a reinforced earth retaining wall foundation structure (01) for bearing the load of the reinforced earth retaining wall and transferring the load to a foundation, reinforced earth reinforcement materials (02) for improving the stability of the side slope, an assembled type expansive soil side slope ecological shock absorption reinforced earth double-sided plate unit as claimed in any one of claims 1 to 8, and cap stones (03) for pressing the assembled type expansive soil side slope reinforced earth retaining wall; reinforced earth retaining wall foundation structure sets up in the ground top, and the ecological shock attenuation reinforced earth double sided board unit of assembled inflation soil side slope inlays admittedly and installs in reinforced earth retaining wall foundation structure top, upwards inlays in proper order between the ecological shock attenuation reinforced earth double sided board unit of assembled inflation soil side slope and admittedly installs the main part that forms assembled inflation soil side slope reinforced earth retaining wall, and the drag hook (21) on reinforced earth muscle material and the ecological shock attenuation reinforced earth double sided board unit of assembled inflation soil side slope are connected, on the ecological shock attenuation reinforced earth double sided board unit of assembled inflation soil side slope of cap stone setting the superiors.
CN202010829256.9A 2020-08-18 2020-08-18 Assembled expansive soil slope ecological shock attenuation reinforced earth double sided board unit and native barricade Active CN111945775B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07252840A (en) * 1994-03-15 1995-10-03 Kyokado Eng Co Ltd Reinforced earth structure
CN106894442A (en) * 2017-03-02 2017-06-27 湖北工业大学 A kind of reinforced sand soil barricade and construction method
CN110106913A (en) * 2019-04-22 2019-08-09 河海大学 A kind of damping panel assembled reinforced earth bulkhead and its construction method
CN110306589A (en) * 2019-07-11 2019-10-08 中南大学 A method of forming assembled reinforced earth bulkhead
CN210482362U (en) * 2019-05-24 2020-05-08 郑州大学 Assembled rigid and flexible combined elastic anti-seismic reinforced earth retaining wall

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07252840A (en) * 1994-03-15 1995-10-03 Kyokado Eng Co Ltd Reinforced earth structure
CN106894442A (en) * 2017-03-02 2017-06-27 湖北工业大学 A kind of reinforced sand soil barricade and construction method
CN110106913A (en) * 2019-04-22 2019-08-09 河海大学 A kind of damping panel assembled reinforced earth bulkhead and its construction method
CN210482362U (en) * 2019-05-24 2020-05-08 郑州大学 Assembled rigid and flexible combined elastic anti-seismic reinforced earth retaining wall
CN110306589A (en) * 2019-07-11 2019-10-08 中南大学 A method of forming assembled reinforced earth bulkhead

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