CN112878339B - Biological self-repairing gabion unit device for filler, preparation method and slope reinforcement method - Google Patents
Biological self-repairing gabion unit device for filler, preparation method and slope reinforcement method Download PDFInfo
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- CN112878339B CN112878339B CN202110034443.2A CN202110034443A CN112878339B CN 112878339 B CN112878339 B CN 112878339B CN 202110034443 A CN202110034443 A CN 202110034443A CN 112878339 B CN112878339 B CN 112878339B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/129—Polyhedrons, tetrapods or similar bodies, whether or not threaded on strings
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/205—Securing of slopes or inclines with modular blocks, e.g. pre-fabricated
Abstract
The invention discloses a filler biological self-repairing gabion unit device which comprises a gabion box body, wherein the gabion box body comprises a hexahedral frame, gabion nets arranged on four side surfaces of the hexahedral frame, a gabion box cover arranged on the top surface of the hexahedral frame and a lacing wire net surface arranged on the top surface or the bottom surface of the hexahedral frame; one side of the gabion box cover is rotatably connected with the hexahedral frame, and the lacing wire mesh surface extends outwards along the top surface or the bottom surface of the hexahedral frame; the gabion box is filled with alkaline stones, bacteria repairing solution is filled among the alkaline stones, and the bacteria repairing solution induces generation of CaCO under aerobic respiration condition3And (4) precipitating. This check guest unit device can improve life, strengthens the reinforced stability of side slope. The invention also provides a manufacturing method of the filler biological self-repairing gabion unit device and a slope reinforcing method.
Description
Technical Field
The invention relates to the field of slope reinforcement, in particular to a filler biological self-repairing gabion unit device, a preparation method of the filler biological self-repairing gabion unit device and a slope reinforcement method using the filler biological self-repairing gabion unit device.
Background
The gabion comprises a gabion mesh cage and stones filled into the gabion mesh cage, the gabion is commonly used for slope protection near rivers and mountains, and when water flows through the gabion, the water can pass through gaps between meshes and the stones, so that the gabion can protect the slope under the action of not influencing the ecological environment. However, due to the impact of water flow and the lapse of time, the gap between the gabion and the soil body is gradually increased, so that the stability of the reinforced slope is reduced, and the gabion needs to be replaced after being used for a period of time.
The invention patent application with the publication number of CN109235467A discloses a gabion supporting system suitable for ecological restoration of a high and steep rock slope and a laying method thereof. However, the gabion disclosed in the application cannot repair cracks formed in the years and months, and the service life of the gabion is limited.
The innovativeness and environmental protection of biotechnology have been increasingly applied in practical engineering since the 21 st century. Along with the requirements on ecological environment and service life of slope protection projects such as slope protection projects and embankment projects, new requirements are provided for a typical slope protection form of a gabion device. Because the service life of the traditional gabion is short, and the stability of slope reinforcement is low, the gabion which has a long service life and can ensure the stability of slope reinforcement needs to be prepared, and the slope is reinforced by using the prepared gabion.
Disclosure of Invention
In order to prolong the service life of the gabion, the invention discloses the gabion with the biological self-repairing function and capable of enhancing the slope reinforcement stability, and the specific technical scheme is as follows.
The filler biological self-repairing gabion unit device comprises a gabion box body, wherein the gabion box body comprises a hexahedral frame, gabion nets arranged on four side surfaces of the hexahedral frame, a gabion box cover arranged on the top surface of the hexahedral frame, and a lacing wire net surface arranged on the top surface or the bottom surface of the hexahedral frame; one side of the gabion box cover is rotatably connected with the hexahedral frame, and the lacing wire mesh surface extends outwards along the top surface or the bottom surface of the hexahedral frame; the gabion box is filled with alkaline stones, bacteria repairing solution is filled among the alkaline stones, and the bacteria repairing solution induces generation of CaCO under aerobic respiration condition3And (4) precipitating.
Further, the bacteria repairing solution comprises a bacillus pasteurii liquid, urea and calcium chloride in a mass ratio of 2-4: 1-2: 3-6.
Further, the bacteria repairing solution comprises a bacillus pasteurii liquid, urea and calcium chloride in a mass ratio of 2:1: 3.
Further, the alkaline stone comprises one or more of limestone, or cement stone, or calcareous sandstone; the porosity of the alkaline stone is less than or equal to 30 percent, and the gravity is more than or equal to 2.5t/m3。
Further, the material of the check net is stainless steel, or plastic, or resin; the check guest net is connected with the hexahedral frame in a double winding mode.
Furthermore, the lacing wire net surface is bent upwards or downwards along the part of the hexahedral frame, which extends outwards, on the top surface or the bottom surface to form a coupling part embedded in the slope body.
Further, the gabion box cover is rotatably connected with the hexahedral frame through an annular nail.
The invention also discloses a preparation method of the filler biological self-repairing gabion unit device, which comprises the following steps:
s1, constructing a hexahedral frame by using galvanized wires or plastics as a framework, wherein the framework comprises four long-edge frameworks and eight short-edge frameworks which are parallel to each other; bending the end part of each framework, and binding and screwing the bent parts of the adjacent long-edge frameworks and short-edge frameworks;
s2, preparing check nets by stainless steel, plastics or resin, and respectively binding the check nets on four sides of the hexahedral frame; selecting two long-edge frameworks and two short-edge frameworks with the same specification as the specification in the step S1, bending the end parts of the frameworks, binding and screwing the bent parts of the adjacent long-edge frameworks and the adjacent short-edge frameworks to form a box cover framework, rotatably connecting the long-edge frameworks of the box cover framework with the long-edge frameworks of the hexahedral framework, binding a check net on the box cover framework to form a check box cover, and rotatably covering the check box cover on the top surface of the hexahedral framework;
s3, weaving a lacing wire net surface by stainless steel, plastic or resin, binding the lacing wire net surface with the top surface or the bottom surface of the hexahedral frame, and reserving part of the lacing wire net surface to ensure that the lacing wire net surface extends outwards along the top surface or the bottom surface of the hexahedral frame; bending the part of the lacing wire net surface extending outwards along the top surface or the bottom surface of the hexahedral frame upwards or downwards to form a coupling part embedded into a slope body;
s4, filling the gabion box body with the porosity of less than or equal to 30% and the gravity of more than or equal to 2.5t/m3The alkaline stone of (1);
s5, filling a bacterium repairing solution into the gabion box, and inducing the bacterium repairing solution to generate CaCO under the aerobic respiration condition3And (4) precipitating.
Further, the preparation process of the bacteria repairing solution comprises the following steps: culturing the pasteurella bacillus liquid for 10-15 hours in an environment with the pH of 8-10; mixing the cultured pasteurella bacillus liquid with a urea solution and a calcium chloride solution according to the volume ratio of 2-4: 1-2: 3-6, wherein the concentration of the urea solution is 0.5-1.5 mol/L, and the concentration of the calcium chloride solution is 0.5-1.5 mol/L.
The invention also discloses a slope reinforcing method using the filler biological self-repairing gabion unit device, which comprises the following steps:
firstly, placing a layer of soil body at the bottom of a slope to be reinforced, and tamping the soil body;
placing the prepared gabion box body on a soil body, enabling the lacing wire net surface to face to one side close to the side slope, filling the soil body again in the area where the lacing wire net surface is located until the gabion box cover just exposes out of the soil body, and inserting a coupling part of the lacing wire net surface into the soil body to be coupled with the soil body in the soil body filling process;
step three, opening the gabion box cover, and filling the gabion box cover with the porosity of less than or equal to 30% and the gravity of more than or equal to 2.5t/m3The filled alkaline stone comprises one or more of limestone, cement stone or calcareous sandstone;
step four, closing the gabion box cover, and placing the new gabion box body on the gabion box body filled with the alkaline stone;
step five, repeating the step three and the step four until the gabion unit devices completely cover the side slope, and filling gaps, which exist in the soil body and the gabion unit devices, with CaCO capable of being induced to generate3A precipitated bacterial remediation solution.
Furthermore, one side of the hinge joint of the gabion box cover and the hexahedral frame is far away from the side slope.
Has the advantages that: 1. according to the filler biological self-repairing gabion unit device, in the using process, the bacteria repairing liquid can induce generation of calcium carbonate precipitation to repair cracks of the gabion unit device and a soil body, the service life of gabion is prolonged, and the stability of slope reinforcement is enhanced.
2. The filler biological self-repairing gabion unit device provided by the invention has good coupling property with soil through the lacing wire mesh surface, so that the stability of slope reinforcement is further enhanced.
3. The filler biological self-repairing gabion unit device provided by the invention is simple in manufacturing mode, and the gabion box cover can be opened to facilitate the placement of various data acquisition equipment in the gabion in the process of using the gabion unit device.
Drawings
FIG. 1 is a schematic structural diagram of a gabion box in an embodiment of the invention;
FIG. 2 is a schematic structural view of a hexahedral frame according to an embodiment of the present invention;
FIG. 3 is a schematic view of the construction of a ring staple in an embodiment of the present invention;
FIG. 4 is a schematic view of the case cover rotatably connected to the hexahedral frame according to the embodiment of the present invention;
FIG. 5 is a schematic view of a lacing wire mesh surface in an embodiment of the invention;
FIG. 6 is a detailed schematic diagram of a gabion box according to an embodiment of the invention;
FIG. 7 is a schematic view of various bending structures of the lacing wire mesh surface in the embodiment of the invention;
FIG. 8 is a schematic diagram illustrating a case where the gabion unit device is used for slope reinforcement in the embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a liquid filling apparatus according to an embodiment of the present invention;
FIG. 10 is an enlarged view of area A of FIG. 9;
fig. 11 is an enlarged schematic view of the region B in fig. 10.
Reference numerals: 1. a hexahedral frame; 2. a check net; 3. an annular nail; 4. a gabion box cover; 5. stretching the net surface; 6. a slope soil body; 7. a guest cell device; 8. a primary tube; 9. a branch pipe body; 10. a limiting ring; 11. a first spring; 12. an inner tube body; 13. a limit telescopic structure; 14. a second spring; 15. a limiting column; 16-a limiting part; 17. a limiting block; 18. the slot is moved.
Detailed Description
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and the like are used in the indicated orientations and positional relationships based on the orientation shown in the drawings for convenience in describing the invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Example 1
The embodiment provides a filler biological self-repairing gabion unit device, which comprises a gabion box body as shown in fig. 1, wherein the gabion box body comprises a hexahedral frame 1, gabion nets 2 arranged on four side surfaces of the hexahedral frame 1, a gabion box cover 4 arranged on the top surface of the hexahedral frame 1, and a lacing wire net surface 5 arranged on the top surface or the bottom surface of the hexahedral frame 1; one side of the gabion box cover 4 is rotatably connected with the hexahedral frame 1, and the lacing wire mesh surface 5 extends outwards along the top surface or the bottom surface of the hexahedral frame 1; the gabion box is filled with alkaline stones, bacteria repairing solution is filled among the alkaline stones, and the bacteria repairing solution induces generation of CaCO under aerobic respiration condition3And (4) precipitating.
In this example, by adding to a baseFilling bacteria repairing solution between the sexual stones, and inducing Ca by the bacteria repairing solution under aerobic respiration condition2+Precipitation to produce CaCO3And (3) precipitating, repairing the crack of the gabion unit device 7 and the soil body, prolonging the service life of the gabion and ensuring the stability of slope reinforcement.
The filler biological self-repairing gabion unit device 7 provided by the embodiment constructs the gabion box body in an equal proportion mode, and can be applied to slope experiments of the gabion device or actual slope reinforcement to form unified use and manufacturing standards. The equal proportion refers to the wire diameter and the length of the hexahedral frame 1 of the actual side slope in the side slope experiment, and the wire diameter and the meshes of the check net 2.
In the present embodiment, the hexahedral frame 1 is a rectangular parallelepiped, and the hexahedral frame 1 includes a top surface, a bottom surface, and four side surfaces, and the top surface of the hexahedral frame 1 faces upward when the slope is reinforced by the gabion unit device 7. The gabion box cover 4 is rotatably connected with the hexahedral frame 1 through the annular nail 3, and the annular nail 3 includes a ring body provided with an opening as shown in fig. 3. The gabion box cover 4 can be directly rotated in the process of filling stones, so that the stones can be filled into the gabion box body conveniently and quickly. When being applied to the experiment of levee slope in the laboratory with this check guest unit device 7, can also place multiple sensors such as pore pressure, soil pressure, foil gage, optical fiber sensor, displacement sensor in to check guest unit device 7 through opening check guest case lid 4, gather various data, the laboratory of being convenient for is experimental.
In this embodiment, the bacteria repairing solution includes a urea solution, a calcium chloride solution and a bacillus pasteurii solution in a volume ratio of 1:3: 2; the concentration of the urea solution is 0.5-1.5 mol/L, the concentration of the calcium chloride solution is 0.5-1.5 mol/L, and the concentration value of the bacillus pasteurianus bacterial liquid is 2 multiplied by 109～2.6×109cfu/ml. When the temperature is about 25 ℃, the concentration of the urea solution is 1.1mol/L and the concentration of the calcium chloride solution is 1.1mol/L respectively. When the temperature is lower, the concentration can be properly increased, and the concentration ratio of urea to calcium chloride is 1: 1. the volume and concentration of the solution can be changed properly along with the change of temperature and ambient environmentThe volume range is properly modified, but does not exceed the specific proportion range. Production of CaCO by Bacillus pasteurianus induction3The process of precipitation comprises: production of CO by B.pasteurianus under aerobic respiration conditions2，CO2With OH-Reaction to HCO3 -Under alkaline conditions with Ca2+Formation of CaCO at the spores of B.pasteurianus3And precipitating, so that the cracks of the gabion unit device 7 and the soil body are repaired, and the service life of the gabion is prolonged. Induced CaCO3The process of precipitation can be summarized as:
Ca2++Cell→Cell-Ca2+
Cell-Ca2++CO3 2-→Cell-CaCO3↓
in the embodiment, the alkaline stones filled into the gabion box body comprise one or more of limestone, cement stone or calcareous gravel; the filled alkaline stone material has the required particle size of 5-100 mm, the porosity of less than or equal to 30 percent and the gravity of more than or equal to 2.5t/m3In combination with CaCO produced by the Bacillus pasteurianus at the spore3The crack among the alkaline stones is repaired by precipitation, so that the service life of the gabion unit device 7 and the stability of slope reinforcement are fully ensured.
In the embodiment, the wire diameter of the check net 2 is 0.50-4.40 mm, the aperture is 3.73-80 mm, the material is stainless steel, plastic or resin, and the tensile strength of the net surface is 0.1-50 kN/m; the check net 2 is connected with the hexahedral frame 1 in a double winding manner. The lacing wire net surface 5 is bent upwards or downwards along the part extending outwards from the top surface or the bottom surface of the hexahedral frame 1 to form a coupling part embedded into a slope body; the lacing wire net surface 5 is also made of stainless steel, plastics or resin, the diameter of the wire is 0.50-4.40 mm, the diameter of the hole is 3.73-80 mm. In the using process, as shown in fig. 7a to 7d, the lacing wire mesh surface 5 is placed in the soil body of the slope body, the lacing wire mesh surface 5 can be arranged at the top or the bottom of the gabion unit device 7, one surface, two surfaces or three surfaces of the lacing wire mesh surface 5 are bent towards the upper side or the lower side respectively to form a coupling part, the coupling property of the gabion unit device 7 and the side slope is enhanced through the coupling part, and the stability of the side slope is further enhanced.
Example 2
The present embodiment provides a method for preparing the filler biological self-repairing gabion unit device in embodiment 1, which includes the following steps:
s1, constructing a hexahedral frame 1 by using electro-galvanized wires or plastics with the wire diameter of 1.20-5.80 mm as a framework, wherein the framework comprises four long-edge frameworks and eight short-edge frameworks which are parallel to each other; bending the end part of each framework, and binding and screwing the bent parts of the adjacent long-edge frameworks and short-edge frameworks;
s2, using stainless steel, plastic or resin with the wire diameter of 0.50-4.40 mm and the aperture of 3.73-80 mm as the check net 2, and respectively binding the check net 2 on four sides of the hexahedral frame 1; selecting two long-edge frameworks and two short-edge frameworks with the same specification as the specification in the step S1, bending the end parts of the frameworks, binding and screwing the bent parts of the adjacent long-edge frameworks and the adjacent short-edge frameworks to form a box cover framework, rotatably connecting the long-edge frameworks of the box cover framework with the long-edge frameworks of the hexahedral framework 1, binding the check net 2 on the box cover framework to form a check box cover 4, and rotatably covering the check box cover 4 on the top surface of the hexahedral framework 1;
s3, weaving a lacing wire mesh surface 5 with stainless steel, plastic or resin with the wire diameter of 0.50-4.40 mm and the aperture of 3.73-80 mm, binding the lacing wire mesh surface 5 with the top surface or the bottom surface of the hexahedral frame 1, reserving part of the lacing wire mesh surface 5, and enabling the lacing wire mesh surface 5 to extend outwards along the top surface or the bottom surface of the hexahedral frame 1; bending the part of the lacing wire net surface 5 extending outwards along the top surface or the bottom surface of the hexahedral frame 1 upwards or downwards to form a coupling part embedded into a slope body;
s4, filling the gabion box body with the porosity of less than or equal to 30% and the gravity of more than or equal to 2.5t/m3The alkaline stone of (1);
s5, filling a bacterium repairing solution into the gabion box, wherein the bacterium repairing solution is filled in the gabion boxInduced production of CaCO under oxygen respiration conditions3And (4) precipitating.
In the present embodiment, as shown in fig. 2, the hexahedral frame 1 is a rectangular parallelepiped structure composed of four long edges and eight short edges, and as shown in fig. 6a and 6c, when the hexahedral frame 1 is constructed, the long edges and the short edges are respectively bent, and the bent portions of the adjacent long-edge frameworks and short-edge frameworks are bound and tightened; as shown in fig. 6c and fig. 6d, the mesh wires of the check net 2 in the contact position with the edge length are connected with the hexahedral frame 1 by adopting a plurality of tight wrapping modes such as double binding and the like, thereby forming a stable check box body structure,
in this embodiment, the preparation process of the bacteria repairing solution comprises: culturing the pasteurella bacillus liquid for 10-15 hours in an environment with the pH of 8-10; mixing the cultured pasteurella bacillus liquid with a urea solution and a calcium chloride solution according to the volume ratio of 2:1:3, wherein the concentration of the urea solution is 0.5-1.5 mol/L, the concentration of the calcium chloride solution is 0.5-1.5 mol/L, and the concentration value of the pasteurella bacillus liquid is 2 multiplied by 109～2.6×109cfu/ml. When the temperature is about 25 ℃, the concentration of the urea solution is 1.1mol/L and the concentration of the calcium chloride solution is 1.1mol/L respectively. When the temperature is lower, the concentration can be properly increased, and the concentration ratio of urea to calcium chloride is 1: 1. the volume can be varied as appropriate with changes in temperature and ambient conditions and can be modified as appropriate within the range of concentrations and volumes, but not to exceed a specific range of proportions.
The Gubin Unit device 7 prepared in this example, produced CaCO by Bacillus pasteurianus under aerobic respiration conditions3The deposit automatically repairs the cracks of the guest unit device 7, so that the service life of the guest unit device 7 is prolonged; the prepared gabion box body has a stable structure and good coupling with a side slope soil body 6, and the stability of reinforcing the side slope is guaranteed.
Example 3
As shown in fig. 8a and 8b, this example provides a method for slope reinforcement using the filler bio-self-repairing gabion unit device disclosed in example 1 or prepared according to the preparation method in example 2, comprising the steps of:
firstly, placing a layer of soil body at the bottom of a slope to be reinforced, and tamping the soil body;
placing the prepared gabion box body on a soil body, enabling the lacing wire net surface 5 to face one side close to the side slope, filling the soil body again in the area where the lacing wire net surface 5 is located until the gabion box cover 4 just exposes out of the soil body, and inserting a coupling part of the lacing wire net surface 5 into the soil body to be coupled with the soil body in the soil body filling process;
step three, opening the gabion box cover 4, and filling the gabion box cover 4 with the porosity of less than or equal to 30% and the gravity of more than or equal to 2.5t/m3The filled alkaline stone comprises one or more of limestone, cement stone or calcareous sandstone;
step four, closing the gabion box cover 4, and placing the new gabion box body on the gabion box body filled with the alkaline stone;
step five, repeating the step three and the step four until the gabion unit device 7 completely covers the side slope, and filling gaps existing in the soil body and the gabion unit device 7 with CaCO capable of being induced to be generated3A precipitated bacterial remediation solution.
In this embodiment, the preparation process of the bacteria repairing solution comprises: culturing the pasteurella bacillus liquid for 10-15 hours in an environment with the pH of 8-10; mixing the cultured pasteurella bacillus liquid with a urea solution and a calcium chloride solution according to the volume ratio of 2:1:3, wherein the concentration of the urea solution is 0.5-1.5 mol/L, the concentration of the calcium chloride solution is 0.5-1.5 mol/L, and the concentration value of the pasteurella bacillus liquid is 2 multiplied by 109～2.6×109cfu/ml. When the temperature is about 25 ℃, the concentration of the urea solution is 1.1mol/L and the concentration of the calcium chloride solution is 1.1mol/L respectively. When the temperature is lower, the concentration can be properly increased, and the concentration ratio of urea to calcium chloride is 1: 1. the volume can be varied as appropriate with changes in temperature and ambient conditions and can be modified as appropriate within the range of concentrations and volumes, but not to exceed a specific range of proportions.
In this embodiment, when the gabion box is placed in the step two, the side of the gabion box cover 4 hinged to the hexahedral frame 1 is far away from the side slope, after the side slope soil 6 is reinforced by the gabion unit device 7, the side of the gabion box cover hinged to the hexahedral frame 1 is close to water flow, and the gabion box cover 4 cannot be opened under the influence of the water flow. When the gabion unit device 7 is used for reinforcing the side slope soil body 6, a layer of soil body is filled after a gabion box body is repeatedly placed, and finally alkaline stones are filled into the gabion box body until the side slope is integrally reinforced; and (3) pouring a bacteria repairing solution into the reinforced side slope structure, ensuring that the pores from the bottom to the top of the gabion unit device 7 are coated, fully infiltrating the inner surface of the crack, ensuring the temperature-keeping condition, and then increasing the crack along with the increase of time and microorganisms. The service life of the gabion unit device 7 is prolonged, and the stability of slope reinforcement is enhanced.
In this embodiment, in order to fill the gap between the soil and the guest unit device 7 with CaCO that can be induced to be generated3A precipitated bacterial remediation solution. After the prepared gabion boxes are placed on the soil body in the second step, a liquid injection filling device is inserted between the adjacent gabion boxes, and liquid injection holes for filling the gabion and the soil body with the bacteria repairing solution are formed in the liquid injection filling device; and in the fifth step, after the gabion unit device 7 completely covers the side slope, a part of the liquid injection filling device is reserved and extends out of the side slope, so that liquid can be injected into the liquid injection filling device conveniently.
In this embodiment, as shown in fig. 9, the liquid filling and filling device includes a main pipe 8 and a plurality of branch pipes 9 connected to the main pipe 8, the main pipe 8 is vertically inserted between adjacent gabion unit devices 7, the branch pipes 9 are perpendicular to the main pipe 8, the branch pipes 9 are inserted into the side slope soil 6, and the main pipe 8 and the branch pipes 9 are respectively bound with the hexahedral frame 1.
In this embodiment, after the slope reinforcement is completed, the liquid injection filling device is retained in the reinforced slope, and the coupling between the slope soil 6 and the gabion unit device 7 can be further enhanced by the liquid injection filling device, so that the stability of the slope reinforcement is further ensured.
In the present embodiment, a multi-segment check structure is arranged in the main pipe body 8, and the check structure is located between adjacent branch pipe bodies 9, and comprises a limiting ring 10, a first spring 11 and an inner pipe body 12; the limiting ring 10 is fixedly connected with the main pipe body 8; one end of the first spring 11 is fixedly connected with the limiting ring 10, the other end of the first spring is fixedly connected with the bottom end of the inner pipe 12, the inner pipe 12 can be slidably arranged in the main pipe 8, and the first spring 11 always has a force for driving the inner pipe 12 to move upwards; the inner tube body 12 is provided with a plurality of through holes, and the through holes correspond to the liquid injection holes one by one; a limiting telescopic structure 13 is arranged in the branch pipe body 9, the limiting telescopic structure 13 comprises a second spring 14 and a limiting column 15, one end of the second spring 14 is fixedly connected with the end part of the branch pipe body 9, the other end of the second spring is fixedly connected with one end of the limiting column 15, the limiting column 15 can be slidably arranged in the branch pipe body 9, the upper side and the lower side of one end, far away from the second spring 14, of the limiting column 15 are respectively provided with a first inclined surface, and the second spring 14 always has a force for driving the limiting column 15 to move towards the main pipe body 8 and block the main pipe body 8; when the main pipe body 8 is blocked by the limiting column 15, the inner pipe body 12 is abutted against the limiting column 15, the through holes and the liquid injection holes are arranged in a staggered mode to enable the liquid injection holes to be closed, and a second inclined surface corresponding to the first inclined surface is arranged at one end, away from the limiting ring 10, of the inner pipe body 12; when the main pipe body 8 is not blocked by the limiting column 15, the through hole is aligned with the liquid injection hole to enable the liquid injection hole to be communicated.
In this embodiment, by embedding the liquid filling device in the reinforced slope, the bacteria repairing solution can be filled in the soil body and the guest unit device 7 for many times, so that long-term use of the guest unit device 7 is ensured. When needs fill bacteria repair solution, adopt the form of pressure notes liquid to carry bacteria repair solution pressurization to annotating liquid filling device in, liquid pressure drive spacing post 15 moves towards the one side of keeping away from being responsible for body 8 for be responsible for body 8 switches on, and liquid gets into in the body 12, and because spacing post 15's removal, the corresponding emergence of interior body 12 moves, makes the through-hole align with annotating the liquid hole, and bacteria repair solution pours into in soil body and the gabion through the notes liquid hole that switches on. In order to ensure that the through hole is aligned with the liquid injection hole in the liquid injection process, the liquid injection filling device is further provided with a limiting part 16, the limiting part 16 comprises a limiting block 17 arranged on the main pipe body 8 and a moving groove 18 arranged on the inner pipe body 12, the limiting block 17 limits the maximum moving distance of the main pipe body 8 in the moving groove 18 through the moving groove 18, and therefore the liquid injection hole is ensured to be aligned with the through hole. When the liquid injection is completed, the liquid pressure is lost, the limiting column 15 moves towards the main pipe body 8 under the pressure of the second spring 14 to block the main pipe body 8 again, meanwhile, the inner pipe body 12 is forced to move towards the limiting ring 10, and the through holes and the liquid injection holes are arranged in a staggered mode, so that the liquid injection holes are blocked. When preventing not annotating the liquid, the soil body gets into through annotating the liquid hole under gravity pressure inside being responsible for the body 8 along with the lapse of time to make annotating liquid filling device's permanent use, guaranteed to pack the bacterium repair solution in soil body and the guest unit device 7 at any time, thereby guaranteed the reinforced permanent use of side slope and stability.
Example 4
The embodiment provides a method for reinforcing a side slope by using a filler biological self-repairing gabion unit device, and the difference between the embodiment and the embodiment 3 is that a hexahedral frame 1 adopted in the embodiment is a national standard electro-galvanized wire No. 18, the wire diameter is 1.2mm, and an electro-galvanized wire made of Q195 is used for simulating a main body frame of a reinforced gabion member, and the length is 86mm, the width is 43mm, and the height is 43 mm; the mesh 2 adopts a 304 stainless steel mesh with 6 meshes of 0.5mm in wire diameter and 3.73mm in hole diameter, and the box cover adopts 2 short edges of 43mm and 2 long edges of 86 mm.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A slope reinforcing method using a filler biological self-repairing gabion unit device comprises the following steps: the filler biological self-repairing gabion unit device comprises a gabion box body, wherein the gabion box body comprises a hexahedral frame, gabion nets arranged on four side surfaces of the hexahedral frame, a gabion box cover arranged on the top surface of the hexahedral frame, and a lacing wire net surface arranged on the top surface or the bottom surface of the hexahedral frame; one side of the gabion box cover is rotatably connected with the hexahedral frame, and the lacing wire mesh surface extends outwards along the top surface or the bottom surface of the hexahedral frame; the method is characterized in that: the gabion box is filled with alkaline stones, bacteria repairing solution is filled among the alkaline stones, and the bacteria repairing solution induces generation of CaCO under aerobic respiration condition3The precipitate is formed by the precipitation of the mixture,
the slope reinforcing method comprises the following steps:
firstly, placing a layer of soil body at the bottom of a slope to be reinforced, and tamping the soil body;
placing the prepared gabion box body on a soil body, enabling the lacing wire net surface to face to one side close to the side slope, filling the soil body again in the area where the lacing wire net surface is located until the gabion box cover just exposes out of the soil body, and inserting a coupling part of the lacing wire net surface into the soil body to be coupled with the soil body in the soil body filling process;
step three, opening the gabion box cover, and filling the gabion box cover with the porosity of less than or equal to 30% and the gravity of more than or equal to 2.5t/m3The filled alkaline stone comprises one or more of limestone, cement stone or calcareous sandstone;
step four, closing the gabion box cover, and placing the new gabion box body on the gabion box body filled with the alkaline stone;
step five, repeating the step three and the step four until the gabion unit devices completely cover the side slope, and filling gaps, which exist in the soil body and the gabion unit devices, with CaCO capable of being induced to generate3A precipitated bacterial remediation solution;
after the prepared gabion boxes are placed on the soil body in the second step, a liquid injection filling device is inserted between the adjacent gabion boxes, and liquid injection holes for filling the gabion and the soil body with the bacteria repairing solution are formed in the liquid injection filling device;
the liquid injection filling device comprises a main pipe body and a plurality of branch pipe bodies connected with the main pipe body, the main pipe body is vertically inserted between adjacent gabion unit devices, the branch pipe bodies are perpendicular to the main pipe body and inserted into the side slope soil body, and the main pipe body and the branch pipe bodies are respectively bound with the hexahedral frame;
the main pipe body is internally provided with a multi-section check structure, the check structure is positioned between adjacent branch pipes and comprises a limiting ring, a first spring and an inner pipe body; the limiting ring is fixedly connected with the main pipe body; one end of the first spring is fixedly connected with the limiting ring, the other end of the first spring is fixedly connected with the bottom end of the inner pipe body, the inner pipe body can be slidably arranged in the main pipe body, and the first spring always has a force for driving the inner pipe body to move upwards; the inner tube body is provided with a plurality of through holes, and the through holes correspond to the liquid injection holes one by one; the limiting telescopic structure is arranged in the branch pipe body and comprises a second spring and a limiting column, one end of the second spring is fixedly connected with the end part of the branch pipe body, the other end of the second spring is fixedly connected with one end of the limiting column, the limiting column is slidably arranged in the branch pipe body, the upper side and the lower side of one end, away from the second spring, of the limiting column are respectively provided with a first inclined surface, and the second spring always has a force for driving the limiting column to move towards the main pipe body and block the main pipe body; when the limiting column blocks the main pipe body, the inner pipe body abuts against the limiting column, the through holes and the liquid injection holes are arranged in a staggered mode to enable the liquid injection holes to be closed, and a second inclined surface corresponding to the first inclined surface is arranged at one end, away from the limiting ring, of the inner pipe body; when the main pipe body is not blocked by the limiting column, the through hole is aligned with the liquid injection hole to enable the liquid injection hole to be communicated.
2. The slope reinforcement method using the filler biological self-repairing gabion unit device according to claim 1, characterized in that: and one side of the gabion box cover, which is hinged with the hexahedral frame, is far away from the side slope.
3. The slope reinforcement method using the filler biological self-repairing gabion unit device according to claim 1, characterized in that: the bacteria repairing solution comprises a urea solution, a calcium chloride solution and a bacillus pasteurianus liquid in a volume ratio of 1-2: 3-6: 2-4; the concentration of the urea solution is 0.5-1.5 mol/L, and the concentration of the calcium chloride solution is 0.5-1.5 mol/L.
4. The slope reinforcement method using the filler biological self-repairing gabion unit device according to claim 1, characterized in that: the alkaline stone comprises one or more of limestone, cement stone or calcareous sandstone; the porosity of the alkaline stone is less than or equal to 30 percent, and the gravity is more than or equal to 2.5t/m3。
5. The slope reinforcement method using the filler biological self-repairing gabion unit device according to claim 1, characterized in that: the material of the check net is stainless steel, or plastic, or resin; the check guest net is connected with the hexahedral frame in a double winding mode.
6. The slope reinforcement method using the filler biological self-repairing gabion unit device according to claim 1, characterized in that: the lacing wire net surface is bent upwards or downwards along the part extending outwards from the top surface or the bottom surface of the hexahedral frame to form a coupling part embedded into the slope body.
7. The slope reinforcement method using the filler biological self-repairing gabion unit device according to claim 1, characterized in that: the gabion box cover is rotatably connected with the hexahedral frame through the annular nails.
8. The slope reinforcement method using the filler biological self-repairing gabion unit device according to any one of claims 1 to 6, characterized in that: the preparation method of the filler biological self-repairing gabion unit device comprises the following steps:
s1, constructing a hexahedral frame by using galvanized wires or plastics as a framework, wherein the framework comprises four long-edge frameworks and eight short-edge frameworks which are parallel to each other; bending the end part of each framework, and binding and screwing the bent parts of the adjacent long-edge frameworks and short-edge frameworks;
s2, preparing check nets by stainless steel, plastics or resin, and respectively binding the check nets on four sides of the hexahedral frame; selecting two long-edge frameworks and two short-edge frameworks with the same specification as the specification in the step S1, bending the end parts of the frameworks, binding and screwing the bent parts of the adjacent long-edge frameworks and the adjacent short-edge frameworks to form a box cover framework, rotatably connecting the long-edge frameworks of the box cover framework with the long-edge frameworks of the hexahedral framework, binding a check net on the box cover framework to form a check box cover, and rotatably covering the check box cover on the top surface of the hexahedral framework;
s3, weaving a lacing wire net surface by stainless steel, plastic or resin, binding the lacing wire net surface with the top surface or the bottom surface of the hexahedral frame, and reserving part of the lacing wire net surface to ensure that the lacing wire net surface extends outwards along the top surface or the bottom surface of the hexahedral frame; bending the part of the lacing wire net surface extending outwards along the top surface or the bottom surface of the hexahedral frame upwards or downwards to form a coupling part embedded into a slope body;
s4, filling the gabion box body with the porosity of less than or equal to 30% and the gravity of more than or equal to 2.5t/m3The alkaline stone of (1);
s5, filling a bacterium repairing solution into the gabion box, and inducing the bacterium repairing solution to generate CaCO under the aerobic respiration condition3And (4) precipitating.
9. The slope reinforcement method using the filler biological self-repairing gabion unit device according to claim 8, characterized in that: the preparation process of the bacteria repairing solution comprises the following steps: culturing the pasteurella bacillus liquid for 10-15 hours in an environment with the pH of 8-10; mixing the cultured pasteurella bacillus liquid with a urea solution and a calcium chloride solution according to the volume ratio of 2-4: 1-2: 3-6, wherein the concentration of the urea solution is 0.5-1.5 mol/L, and the concentration of the calcium chloride solution is 0.5-1.5 mol/L.
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