CN112878299A - Sludge solidification reinforced composite foundation treatment method - Google Patents
Sludge solidification reinforced composite foundation treatment method Download PDFInfo
- Publication number
- CN112878299A CN112878299A CN202110028309.1A CN202110028309A CN112878299A CN 112878299 A CN112878299 A CN 112878299A CN 202110028309 A CN202110028309 A CN 202110028309A CN 112878299 A CN112878299 A CN 112878299A
- Authority
- CN
- China
- Prior art keywords
- sludge
- wall
- fixedly connected
- motor
- cover plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/005—Soil-conditioning by mixing with fibrous materials, filaments, open mesh or the like
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
- E02D3/126—Consolidating by placing solidifying or pore-filling substances in the soil and mixing by rotating blades
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention provides a sludge solidification reinforced composite foundation treatment method, which comprises the following steps: obtaining sludge of a sludge layer, and selecting a curing agent according to the characteristics of the sludge; conveying the curing agent to the inside of the sludge layer by using construction equipment, and uniformly stirring the curing agent to manufacture an isolation tooth wall; manufacturing a plurality of continuous fixed isolation tooth walls inside the sludge layer according to a reinforcement scheme and reinforcement area requirements; arranging a cover plate at the upper end of the isolation tooth wall by using construction equipment, and fixedly connecting the upper ends of the multiple isolation tooth walls with the bottom surface of the cover plate; after the cover plate reaches the preset strength, arranging a plurality of covering layers and a plurality of reinforced filter screens on the surface of the cover plate; and arranging the covering layer and the reinforced filter screen at equal intervals according to the rigidity design requirement to form the composite foundation. According to the method, the sludge, the isolation tooth walls, the cover plate, the reinforced filter screen and the covering layer can form a five-in-one composite foundation, so that the reinforcement treatment of the sludge in the deep layer is realized, the structural strength of the sludge layer is improved, the manufacturing cost is saved, and the construction period is shortened.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a method for treating a sludge solidification reinforced composite foundation.
Background
The composite foundation refers to a natural foundation in which a part of soil is reinforced or replaced in the foundation treatment process, or a reinforcement material is arranged in the natural foundation, and the reinforcement area is an artificial foundation consisting of a matrix (natural foundation soil or improved natural foundation soil) and a reinforcement. Under the action of load, the matrix and the reinforcement body jointly bear the load. The composite foundation is divided into a vertical reinforcement composite foundation and a horizontal reinforcement composite foundation according to a composite foundation load transfer mechanism, and the vertical reinforcement composite foundation is divided into a discrete material pile composite foundation, a flexible pile composite foundation and a rigid pile composite foundation.
Along with the rapid development of engineering construction, the land use requirement is increased rapidly, and the contradiction between the construction and land use requirements and land shortage is highlighted day by day. In order to solve the problem of insufficient land, a large number of sea reclamation projects appear in coastal areas at present, and in future, the projects and the artificial island projects are endless. In the process of making a land, a large amount of soft soil foundations such as silt lands appear, a replacement method is mostly used for traditional silt soil treatment, the replacement method is used for removing soft soil in a roadbed range, therefore, the replacement method is only suitable for shallow-buried silt soil reinforcement and is not easy to replace and fill silt with large layer thickness, and meanwhile, as the replacement and filling needs to be carried out on the silt firstly, then, soil and stones with good stability are used for backfilling and compacting or tamping, a large amount of resources are needed, and therefore, the replacement and filling method also has the problems of high cost and long construction period.
Disclosure of Invention
The invention provides a sludge solidification reinforced composite foundation treatment method, which is used for solving the problems that in the current sludge treatment, a replacement filling method is only suitable for shallow-buried sludge soil reinforcement and is not easy to replace and fill sludge soil with larger layer thickness, and meanwhile, as the replacement filling needs to be carried out on the sludge firstly, and then soil and stones with good stability are used for backfilling and compacting or tamping, a large amount of resources are needed, the replacement filling method is high in cost and long in construction period.
In order to solve the technical problem, the invention discloses a sludge solidification reinforced composite foundation treatment method, which comprises the following steps:
step 1: obtaining sludge of a sludge layer, and selecting a curing agent according to the characteristics of the sludge;
step 2: conveying the curing agent to the inside of the sludge layer by using construction equipment, and uniformly stirring the curing agent to manufacture an isolation tooth wall;
and step 3: repeating the step 2 according to a reinforcement scheme and reinforcement area requirements, and manufacturing a plurality of continuous fixed isolation tooth walls in the sludge layer;
and 4, step 4: arranging a cover plate at the upper end of the isolation tooth wall by using the construction equipment, wherein the upper ends of a plurality of isolation tooth walls are fixedly connected with the bottom surface of the cover plate;
and 5: after the cover plate reaches the preset strength, arranging a plurality of covering layers and a plurality of reinforced filter screens on the upper surface of the cover plate;
step 6: and arranging the covering layer and the reinforced filter screen at equal intervals according to the rigidity design requirement to form a composite foundation.
Preferably, in the step 2, the width of the isolation tooth wall is 0.6m-1.2m according to the characteristics of the sludge layer and the design bearing capacity requirement.
Preferably, in step 3, the isolation tooth walls include transverse walls and longitudinal walls, the plurality of transverse walls and the plurality of longitudinal walls are criss-cross to form a grid structure, according to the characteristics of the sludge layer and the design bearing capacity requirement, the depth of each longitudinal wall is not less than 5m, the depth of each transverse wall is not less than 3m, the interval between two adjacent longitudinal walls is 5m-10m, and the interval between two adjacent transverse walls is 5m-10 m.
Preferably, in the step 4, the cover plate thickness is set according to the sludge layer thickness, and the cover plate thickness is not less than 1 m.
Preferably, in the step 5, after the cover plate is arranged, the cover plate needs to be maintained, so that the cover plate reaches the preset strength, and the maintenance time is not less than 24 hours.
Preferably, in the step 6, the covering layer is compacted, the thickness of the covering layer is controlled according to the on-site elevation, and the thickness of the covering layer is not less than 1 m.
Preferably, the construction equipment is an excavator, a stirring device is arranged at the front end of the excavator, and the stirring device is used for conveying the curing agent to the inside of the sludge layer and stirring the inside of the sludge layer.
Preferably, the stirring device includes:
the upper end of the telescopic column is hinged with the front end of the excavator;
the stirring box is arranged at the lower end of the telescopic column, and the upper surface of the stirring box is fixedly connected with the lower end of the telescopic column;
the first motor is arranged inside the stirring box, and the upper end of the first motor is fixedly connected with the inner wall of the upper end of the stirring box;
the first rotating shaft is arranged at the lower end of the first motor and is fixedly connected with an output shaft of the first motor;
the first bevel gear is arranged at one end, far away from the first motor, of the first rotating shaft;
the crankshaft is arranged in the stirring box and positioned below the first motor, two ends of the crankshaft are respectively and rotatably connected with the inner walls of the left side and the right side of the stirring box, and a second bevel gear is arranged on the crankshaft and meshed with the first bevel gear;
the two first grooves are symmetrically arranged on the inner walls of the left side and the right side of the stirring box;
the sliding plate is arranged in the stirring box in a sliding mode and can slide up and down along the inner wall of the stirring box, and two ends of the sliding plate respectively extend into the first groove and are connected with the first groove in a sliding mode;
the first spring is arranged in the first groove, one end of the first spring is fixedly connected with the bottom wall of the first groove, and the other end of the first spring is fixedly connected with the lower surface of the sliding plate;
one end of the first connecting rod is rotatably connected with the bent part of the crankshaft, and the other end of the first connecting rod is hinged with the center of the upper surface of the sliding plate;
the rack is arranged on the lower surface of the sliding plate, one end of the rack is fixedly connected with the lower surface of the sliding plate, and both sides of the rack are provided with teeth;
the two first gears are symmetrically arranged on the left side and the right side of the rack, the first gears are rotationally connected with the front side wall and the rear side wall of the stirring box through second rotating shafts, and the first gears are meshed with the tooth form of the rack;
the sliding rail is arranged in the stirring box, the bottom of the sliding rail is fixedly connected with the bottom wall of the stirring box, two first sliding blocks are symmetrically arranged on the sliding rail and are respectively connected with the sliding rail in a sliding manner, the upper ends of the two first sliding blocks are respectively provided with a second motor, a second connecting rod is arranged at one end, facing the rack, of the second motor, a third rotating shaft is arranged at one end, away from the second connecting rod, of the second motor, one end, away from the second motor, of the third rotating shaft penetrates through the inner wall of the stirring box and extends to the outside of the stirring box, stirring blades are arranged at one end, away from the second motor, of the third rotating shaft, and the third rotating shaft is connected with the side wall of the;
one end of the third connecting rod is hinged with one end of the second connecting rod, which is far away from the second motor, and the other end of the third connecting rod is hinged with the eccentric position of the front side surface of the first gear;
the drill bit, the drill bit setting is in the agitator tank lower extreme, the drill bit sets up to the cone.
Preferably, the excavator bottom is provided with adjusting device, adjusting device includes:
the mounting box is internally provided with a first cavity, a guide post is arranged in the first cavity, a second sliding block is connected onto the guide post in a sliding manner, second springs are sleeved at two ends of the guide post, one end of each second spring is fixedly connected with the inner wall of the first cavity, and the other end of each second spring is fixedly connected with the side wall of the second sliding block;
the two sides of the bottom of the first cavity are provided with second grooves, the second grooves are communicated with the first cavity, slide rods are connected in the second grooves in a sliding mode, one end, far away from the second slide block, of each slide rod is fixedly connected with one end of a third spring, and the other end of the third spring is fixedly connected with one end, far away from the first cavity, of each second groove;
the contact switch is arranged at one end, far away from the first cavity, of the second groove;
the two second cavities are symmetrically arranged on the left side and the right side of the installation box and are positioned below the first cavities;
the third motor is arranged in the second cavity, the upper end of the third motor is fixedly connected with the inner wall of the upper end of the second cavity, the output end of the third motor is provided with a fourth rotating shaft, the fourth rotating shaft extends to the position below the third motor and is provided with a third bevel gear, and the third motor is electrically connected with the contact switch;
the sleeve is sleeved on the third motor, and the upper end of the sleeve is fixedly connected with the inner wall of the upper end of the second cavity;
the fixing ring is arranged in the sleeve, the outer wall of the fixing ring is fixedly connected with the inner wall of the sleeve, and the inner wall of the fixing ring is provided with an annular groove;
the rotating disc is arranged in the fixed ring, is rotatably connected with the fixed ring, is fixedly connected with the fourth rotating shaft, and is provided with a limiting block on the side wall, and the limiting block is positioned in the annular groove;
the fourth spring is arranged in the annular groove, one end of the fourth spring is fixedly connected with one end of the annular groove, and the other end of the fourth spring is fixedly connected with the side wall of the limiting block;
the fourth bevel gear is arranged on the rear side of the third bevel gear through a fifth rotating shaft, the fifth rotating shaft is rotatably connected with the front inner wall and the rear inner wall of the second cavity, and the fourth bevel gear is meshed with the third bevel gear;
one end of the support rod is fixedly connected with the fifth rotating shaft, the other end of the support rod extends to the outside of the installation box, and the support rod is horizontally arranged;
one end of the fifth spring is fixedly connected with the side wall of the supporting rod, and the other end of the fifth spring is fixedly connected with the inner wall of the second cavity.
The technical scheme of the invention has the following advantages: the invention provides a sludge solidification reinforced composite foundation treatment method, which comprises the following steps: obtaining sludge of a sludge layer, and selecting a curing agent according to the characteristics of the sludge; conveying the curing agent to the inside of the sludge layer by using construction equipment, and uniformly stirring the curing agent to manufacture an isolation tooth wall; repeating the step 2 according to the reinforcement scheme and the reinforcement area requirement, and manufacturing a plurality of continuous fixed isolation tooth walls in the sludge layer; arranging a cover plate at the upper end of the isolation tooth wall by using construction equipment, and fixedly connecting the upper ends of the multiple isolation tooth walls with the bottom surface of the cover plate; after the cover plate reaches the preset strength, arranging a plurality of covering layers and a plurality of reinforced filter screens on the surface of the cover plate; and arranging the covering layer and the reinforced filter screen at equal intervals according to the rigidity design requirement to form the composite foundation. According to the method, the sludge, the isolation tooth walls, the cover plate, the reinforced filter screen and the covering layer can form a five-in-one composite foundation, so that the reinforcement treatment of the sludge in a deep layer is realized, the deformation of the sludge is controlled, the structural strength of the sludge layer is improved, meanwhile, the treatment method has the characteristics of high construction speed, good integrity and small post-construction settlement, and the purposes of saving the construction cost and reducing the construction period are also realized.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the apparatus particularly pointed out in the written description and drawings thereof.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which 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 principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a processing method of the present invention;
FIG. 2 is a schematic view of the overall structure of the composite foundation of the present invention;
FIG. 3 is a schematic view of a stirring apparatus according to the present invention;
FIG. 4 is a schematic view of an excavator according to the present invention;
FIG. 5 is a schematic view of an adjustment device of the present invention;
FIG. 6 is an enlarged view taken at A of FIG. 5 in accordance with the present invention;
FIG. 7 is a top view of the retaining ring of the present invention.
In the figure: 1. a sludge layer; 2. an isolation tooth wall; 3. a cover plate; 4. a cover layer; 5. a reinforced filter screen; 6. a transverse wall; 7. a longitudinal wall; 8. an excavator; 9. a telescopic column; 10. a stirring box; 11. a first motor; 12. a first rotating shaft; 13. a first bevel gear; 14. a crankshaft; 15. a second bevel gear; 16. a first groove; 17. a sliding plate; 18. a first spring; 19. a first link; 20. a rack; 21. a first gear; 22. a slide rail; 23. a first slider; 24. a second motor; 25. a second link; 26. a third rotating shaft; 27. a stirring blade; 28. a third link; 29. a drill bit; 30. installing a box; 31. a first cavity; 32. a guide post; 33. a second slider; 34. a second spring; 35. a second groove; 36. a slide bar; 37. a third spring; 38. a contact switch; 39. a second cavity; 40. a third motor; 41. a fourth rotating shaft; 42. a third bevel gear; 43. a sleeve; 44. a fixing ring; 45. an annular groove; 46. rotating the disc; 47. a limiting block; 48. a fourth spring; 49. a fourth bevel gear; 50. a fifth rotating shaft; 51. a support bar; 52. a fifth spring; 53. and (4) an adjusting device.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
Example 1:
the embodiment of the invention provides a sludge solidification reinforced composite foundation treatment method, which comprises the following steps of:
step 1: obtaining sludge in the sludge layer 1, and selecting a curing agent according to the characteristics of the sludge;
step 2: conveying the curing agent to the inside of the sludge layer 1 by using construction equipment, and uniformly stirring the curing agent to manufacture an isolation tooth wall 2;
and step 3: according to a reinforcement scheme and reinforcement area requirements, repeating the step 2, and manufacturing a plurality of continuous fixed isolation tooth walls 2 in the sludge layer 1;
and 4, step 4: arranging a cover plate 3 at the upper end of the isolation tooth wall 2 by using the construction equipment, and fixedly connecting the upper ends of a plurality of isolation tooth walls 2 with the bottom surface of the cover plate 3;
and 5: after the cover plate 3 reaches the preset strength, arranging a plurality of covering layers 4 and a plurality of reinforced filter screens 5 on the upper surface of the cover plate 3;
step 6: and arranging the covering layer 4 and the reinforced filter screen 5 at equal intervals according to the rigidity design requirement to form a composite foundation.
The working principle and the beneficial effects of the technical scheme are as follows: firstly obtaining sludge of a sludge layer 1, then selecting a curing agent according to the characteristics of the sludge and combining the results of field experiments and laboratories, ensuring that the curing agent has the functions of early strength, dehydration, rapid setting and the like, then conveying the curing agent into the sludge layer 1 by using construction equipment, wherein the sludge layer 1 comprises sludge soil, mucky soil, dredger fill, floating mud and the like, the curing agent can be uniformly mixed or blended into the sludge soil, mucky soil, dredger fill, floating mud and the like to be treated by the construction equipment, so as to form a continuous curing isolation toothed wall 2 with a certain depth, repeating the step 2 according to a reinforcing scheme and the requirement of a reinforcing area, forming a plurality of continuous curing isolation toothed walls 2 in the sludge layer 1, after the isolation toothed walls 2 are arranged, arranging a cover plate 3 at the upper end of the isolation toothed wall 2, and adding the curing agent into the sludge layer 1 by the cover plate 3, and evenly mixing or blending a curing agent into the silt layer 1 above the isolation tooth wall 2, wherein the isolation tooth wall 2 is positioned below the cover plate 3 and can provide support for the cover plate 3, after the cover plate 3 is arranged, waiting for the cover plate 3 to reach the preset strength, arranging a covering layer 4 on the upper surface of the cover plate 3, wherein the covering layer 4 comprises broken stones, muck and the like, laying a reinforced filter screen 5 above the covering layer 4 after laying the covering layer 4, then continuously laying the covering layer 4 on the reinforced filter screen 5, and arranging the covering layer 4 and the reinforced filter screen 5 at equal intervals until the height design requirement is met, so that the silt layer 1, the tooth wall, the cover plate 3, the reinforced filter screen 5 and the covering layer 4 form a five-position integrated composite foundation, the silt layer 1 to be treated performs hoop operation, and the reinforced net performs an arching function on the foundation A design and construction method for a composite foundation of dredger fill or floating mud. The invention aims to treat the silt layer 1 with a certain depth by silt solidification, and lay a reinforced filter screen 5 and compacted broken stones or slag soil on the silt layer, compared with the traditional filling method, the silt does not need to be cleaned, and the used broken stones and slag soil are less, the formed structure body has the characteristics of high construction speed, good integrity, high structural strength, small post-construction settlement and the like, the deformation control of the silt treatment of the deep layer is realized, and the aims of saving the manufacturing cost and reducing the construction period are finally realized.
Example 2
On the basis of the above embodiment 1, in the step 2, the width of the partition tooth wall 2 is 0.6m-1.2m according to the characteristics and the design bearing capacity requirement of the sludge layer 1.
The working principle and the beneficial effects of the technical scheme are as follows: according to the characteristics of the sludge layer 1 and the design bearing capacity requirement, the width of the isolation tooth wall 2 is set to be 0.6-1.2 m, and within the set width range, the transverse rigidity of the isolation tooth wall 2 can be enhanced, and the cost can be saved by setting an upper limit value.
Example 3
On the basis of embodiment 1 or 2, as shown in fig. 2, in step 3, the partition tooth wall 2 includes transverse walls 6 and longitudinal walls 7, the plurality of transverse walls 6 and the plurality of longitudinal walls 7 are criss-cross to form a grid structure, according to the characteristics of the sludge layer 1 and the design bearing capacity requirement, the depth of the longitudinal walls 7 is not less than 5m, the depth of the transverse walls 6 is not less than 3m, the interval between two adjacent longitudinal walls 7 is 5m to 10m, and the interval between two adjacent transverse walls 6 is 5m to 10 m.
The working principle and the beneficial effects of the technical scheme are as follows: keep apart dentate wall 2 and include horizontal wall 6 and vertical wall 7, a plurality of horizontal walls 6 equidistant settings, a plurality of vertical walls 7 equidistant settings, and a plurality of horizontal walls 6 and a plurality of vertical wall 7 vertically and horizontally staggered form grid structure, and grid structure makes interconnect between horizontal wall 6 and the vertical wall 7 to can improve the bulk rigidity who keeps apart dentate wall 2, provide bigger support for apron 3.
Example 4
In the step 4, the thickness of the cover plate 3 is set in accordance with the thickness of the sludge layer 1, and the thickness of the cover plate 3 is not less than 1m, on the basis of any of the embodiments 1 to 3.
The working principle and the beneficial effects of the technical scheme are as follows: the thickness of the cover plate 3 is controlled according to the thickness of the sludge treatment layer 1, the thickness of the cover plate 3 is not less than 1m, and the longitudinal rigidity of the whole cover plate 3 can be enhanced within a set thickness range.
Example 5
On the basis of any one of embodiments 1 to 4, in the step 5, after the cover plate 3 is disposed, the cover plate 3 needs to be cured, so that the cover plate 3 reaches a preset strength, and the curing time is not less than 24 hours.
The working principle and the beneficial effects of the technical scheme are as follows: after the cover plate 3 is arranged, the cover plate 3 needs to be kept static, maintenance time is determined according to field experiment results, and the maintenance time is not less than 24 hours, so that the cover plate 3 is guaranteed to reach preset strength.
Example 6
On the basis of any one of embodiments 1-5, in the step 6, the covering layer 4 is compacted, the thickness of the covering layer 4 is controlled according to the on-site elevation, and the thickness of the covering layer 4 is not less than 1 m.
The working principle and the beneficial effects of the technical scheme are as follows: the broken stones and the dregs of the covering layer 4 are compacted, the thickness of the covering layer 4 is controlled according to the elevation on site, the thickness of the covering layer 4 is not less than 1m, the lowest thickness range is set for the covering layer 4, the integral longitudinal rigidity of the covering layer 4 is ensured, and the structural strength of the composite foundation is further improved.
Example 7
On the basis of any one of embodiments 1 to 6, the construction equipment is an excavator 8, and a stirring device is arranged at the front end of the excavator 8 and used for conveying the curing agent to the inside of the sludge layer 1 and stirring the inside of the sludge layer 1.
The working principle and the beneficial effects of the technical scheme are as follows: the construction equipment can be an excavator 8, a stirring device is arranged at the front end of the excavator 8, and the stirring device can convey the curing agent to the inside of the sludge layer 1 and stir the inside of the sludge layer 1, so that the curing agent is uniformly mixed or blended into the sludge layer 1 to be treated.
Example 8
On the basis of any one of embodiments 1 to 7, as shown in fig. 3, the stirring device includes:
the upper end of the telescopic column 9 is hinged with the front end of the excavator 8;
the stirring box 10 is arranged at the lower end of the telescopic column 9, and the upper surface of the stirring box 10 is fixedly connected with the lower end of the telescopic column 9;
the first motor 11 is arranged inside the stirring box 10, and the upper end of the first motor 11 is fixedly connected with the inner wall of the upper end of the stirring box 10;
the first rotating shaft 12 is arranged at the lower end of the first motor 11, and the first rotating shaft 12 is fixedly connected with an output shaft of the first motor 11;
the first bevel gear 13 is arranged at one end of the first rotating shaft 12 far away from the first motor 11;
the crankshaft 14 is arranged in the stirring box 10, the crankshaft 14 is positioned below the first motor 11, two ends of the crankshaft 14 are respectively and rotatably connected with the inner walls of the left side and the right side of the stirring box 10, a second bevel gear 15 is arranged on the crankshaft 14, and the second bevel gear 15 is meshed with the first bevel gear 13;
the two first grooves 16 are symmetrically arranged on the inner walls of the left side and the right side of the stirring box 10;
the sliding plate 17 is slidably arranged in the stirring box 10, the sliding plate 17 can slide up and down along the inner wall of the stirring box 10, and two ends of the sliding plate 17 respectively extend into the first groove 16 and are slidably connected with the first groove 16;
the first spring 18 is arranged in the first groove 16, one end of the first spring 18 is fixedly connected with the bottom wall of the first groove 16, and the other end of the first spring 18 is fixedly connected with the lower surface of the sliding plate 17;
one end of the first connecting rod 19 is rotatably connected with the bent part of the crankshaft 14, and the other end of the first connecting rod 19 is hinged with the center of the upper surface of the sliding plate 17;
the rack 20 is arranged on the lower surface of the sliding plate 17, one end of the rack 20 is fixedly connected with the lower surface of the sliding plate 17, and both sides of the rack 20 are provided with teeth;
the two first gears 21 are symmetrically arranged at the left side and the right side of the rack 20, the first gears 21 are rotatably connected with the front side wall and the rear side wall of the stirring box 10 through second rotating shafts, and the first gears 21 are meshed with the tooth form of the rack 20;
the slide rail 22 is arranged in the stirring box 10, the bottom of the slide rail 22 is fixedly connected with the bottom wall of the stirring box 10, two first sliders 23 are symmetrically arranged on the slide rail 22, the two first sliders 23 are respectively connected with the slide rail 22 in a sliding manner, the upper ends of the two first sliders 23 are respectively provided with a second motor 24, the second motor 24 is provided with a second connecting rod 25 towards one end of the rack 20, one end of the second motor 24 away from the second connecting rod 25 is provided with a third rotating shaft 26, one end of the third rotating shaft 26 away from the second motor 24 penetrates through the inner wall of the stirring box 10 and extends to the outside of the stirring box 10, and is provided with a stirring blade 27, and the third rotating shaft 26 is connected with the side wall of the stirring box 10 in a sliding manner;
one end of the third connecting rod 28 is hinged with one end of the second connecting rod 25 away from the second motor 24, and the other end of the third connecting rod 28 is hinged with the eccentric position of the front side surface of the first gear 21;
a drill 29, wherein the drill 29 is arranged at the lower end of the stirring box 10, and the drill 29 is arranged to be a cone.
The working principle and the beneficial effects of the technical scheme are as follows: when the stirring device is used for stirring the inside of the sludge layer 1, firstly, the stirring box 10 is moved to a position to be stirred through the extension of the telescopic column 9, the drill bit 29 is arranged below the stirring box 10, the drill bit 29 is arranged to be a cone, so that the stirring device can move downwards in the sludge until the stirring box 10 reaches the position to be stirred, then the second motor 24 is started, the second motor 24 can drive the third rotating shaft 26 to rotate, the third rotating shaft 26 rotates to drive the stirring blade 27 to rotate, the stirring blade 27 rotates to stir the sludge, so that slurry or curing agent is uniformly mixed or blended into the sludge soil, mucky soil, filling soil or floating sludge and the like in the sludge layer 1 to be treated, meanwhile, according to the difference of the width of the isolation tooth walls 2, the stirring diameter of the stirring device in the sludge layer 1 is also different, at the moment, the first motor 11 can be started, the first motor 11 rotates to drive the first rotating shaft 12 to rotate, the first rotating shaft 12 rotates to drive the first bevel gear 13 to rotate, the first bevel gear 13 rotates to drive the second bevel gear 15 to rotate, the second bevel gear 15 rotates to drive the crankshaft 14 to rotate in the stirring box 10, the crankshaft 14 rotates to drive the first connecting rod 19 to reciprocate up and down, the first connecting rod 19 drives the sliding plate 17 to reciprocate up and down in the stirring box 10, two ends of the sliding plate 17 slide in the first groove 16 under the elastic action of the first spring 18, so that the sliding plate 17 can slide up and down more stably and provide buffering and limiting for the sliding of the sliding plate 17, the sliding plate 17 drives the rack 20 to reciprocate up and down, as the rack 20 is meshed with the first gear 21, the rack 20 drives the first gear 21 to rotate forward and backward alternately, the eccentric position of the outer wall of the first gear 21 is hinged with the third connecting rod 28, when the rack 20 moves downward, the first gear 21 drives the third connecting rod 28 to move away from the rack 20, the third connecting rod 28 pushes the second connecting rod 25 to move away from the rack 20, the second connecting rod 25 pushes the second motor 24, the second motor 24 drives the first slider 23 to slide on the slide rail 22 in a direction away from the rack 20, the second motor 24 drives the third rotating shaft 26 to extend out of the stirring box 10, so as to drive the stirring blade 27 to move away from the stirring box 10, so that the stirring range of the stirring blade 27 is increased, when the rack 20 moves upwards, the second motor 24 moves towards the rack 20, and drives the third rotating shaft 26 and the stirring blade 27 to move towards a direction close to the stirring box 10, and the above circular movement is performed, so that after the stirring device is placed in the sludge layer 1, the change of the transverse position of the stirring blade 27 in the sludge layer 1 can be realized by controlling the first motor 11 to rotate, so as to change the stirring range, sludge in a wider range can be stirred without adjusting the position of the telescopic column 9, the time of adjusting the position of the telescopic column 9 is reduced, stirring can be accelerated, the construction speed is improved, the purposes of saving the manufacturing cost and shortening the construction period are achieved, and in addition, the maximum stirring diameter of the stirring blades 27 can be changed by changing the length of the third rotating shaft 26 so as to adapt to different widths of the isolation tooth walls 2.
Example 9
On the basis of any one of embodiments 1 to 8, as shown in fig. 4 to 7, the bottom of the excavator 8 is provided with an adjusting device 53, and the adjusting device 53 comprises:
the mounting box 30 is provided with a first cavity 31 in the mounting box 30, a guide post 32 is arranged in the first cavity 31, a second sliding block 33 is connected onto the guide post 32 in a sliding manner, second springs 34 are sleeved at two ends of the guide post 32, one end of each second spring 34 is fixedly connected with the inner wall of the first cavity 31, and the other end of each second spring 34 is fixedly connected with the side wall of the second sliding block 33;
a second groove 35 is formed in each of two sides of the bottom of the first cavity 31, the second groove 35 is communicated with the first cavity 31, a slide rod 36 is slidably connected in the second groove 35, one end, far away from the second slide block 33, of the slide rod 36 is fixedly connected with one end of a third spring 37, and the other end of the third spring 37 is fixedly connected with one end, far away from the first cavity 31, of the second groove 35;
a contact switch 38, wherein the contact switch 38 is arranged at one end of the second groove 35 far away from the first cavity 31;
the two second cavities 39 are symmetrically arranged at the left side and the right side of the installation box 30, and the second cavities 39 are positioned below the first cavities 31;
the third motor 40 is arranged in the second cavity 39, the upper end of the third motor 40 is fixedly connected with the inner wall of the upper end of the second cavity 39, the output end of the third motor 40 is provided with a fourth rotating shaft 41, the fourth rotating shaft 41 extends to the lower part of the third motor 40 and is provided with a third bevel gear 42, and the third motor 40 is electrically connected with the contact switch 38;
the sleeve 43 is sleeved on the third motor 40, and the upper end of the sleeve 43 is fixedly connected with the inner wall of the upper end of the second cavity 39;
the fixing ring 44 is arranged in the sleeve 43, the outer wall of the fixing ring 44 is fixedly connected with the inner wall of the sleeve 43, and the inner wall of the fixing ring 44 is provided with an annular groove 45;
the rotating disc 46 is arranged in the fixing ring 44, the rotating disc 46 is rotatably connected with the fixing ring 44, the rotating disc 46 is fixedly connected with the fourth rotating shaft 41, a limiting block 47 is arranged on the side wall of the rotating disc 46, and the limiting block 47 is located in the annular groove 45;
the fourth spring 48 is arranged in the annular groove 45, one end of the fourth spring 48 is fixedly connected with one end of the annular groove 45, and the other end of the fourth spring 48 is fixedly connected with the side wall of the limiting block 47;
a fourth bevel gear 49, wherein the fourth bevel gear 49 is arranged at the rear side of the third bevel gear 42 through a fifth rotating shaft 50, the fifth rotating shaft 50 is rotatably connected with the front inner wall and the rear inner wall of the second cavity 39, and the fourth bevel gear 49 is meshed with the third bevel gear 42;
one end of the support rod 51 is fixedly connected with the fifth rotating shaft 50, the other end of the support rod 51 extends to the outside of the installation box 30, and the support rod 51 is horizontally arranged;
one end of the fifth spring 52 is fixedly connected with the side wall of the support rod 51, and the other end of the fifth spring 52 is fixedly connected with the inner wall of the second cavity 39.
The working principle and the beneficial effects of the technical scheme are as follows: when the excavator 8 runs to a construction site, the excavator 8 inclines due to uneven ground, when the excavator 8 inclines, the second sliding block 33 arranged in the first cavity 31 slides on the guide post 32, the sliding direction of the second sliding block 33 is the same as the inclining direction of the excavator 8, therefore, when the excavator 8 inclines to the right side, the second sliding block 33 slides to the right, the third spring 37 is compressed, after the second sliding block 33 contacts with the contact switch 38, the contact switch 38 controls the third motor 40 to start, the third motor 40 starts to drive the fourth rotating shaft 41 to rotate, the fourth rotating shaft 41 rotates to drive the third bevel gear 42 to rotate, the third bevel gear 42 rotates to drive the fourth bevel gear 49 to rotate, the fourth bevel gear 49 rotates to drive the fifth rotating shaft 50 to rotate, the fifth rotating shaft 50 rotates to drive the support rod 51 to rotate downwards, the support rod 51 rotates to stretch the fifth spring 52, and the support rod 51 rotates until the support rod 51 contacts with the ground, at this time, the supporting rod 51 can support the agitator to prevent the agitator from tilting continuously, when the fourth rotating shaft 41 rotates, the fourth rotating shaft 41 drives the rotating disc 46 to rotate in the fixing ring 44, the fixing ring 44 remains stationary, the rotating disc 46 rotates to drive the limiting block 47 to rotate, the limiting block 47 rotates to stretch the fourth spring 48, until the side wall of the limiting block 47 contacts with the side wall of the annular groove 45, the fourth rotating shaft 41 stops rotating, at this time, the supporting rod 51 rotates to the maximum angle, after the excavator 8 finishes tilting, the second slider 33 is separated from the contact switch 38, the third motor 40 stops rotating, under the elastic force of the fifth spring 52, the supporting rod 51 returns to the original position, meanwhile, under the elastic force of the fourth spring 48, the limiting block 47 returns to the original position in the annular groove 45, under the combined action of the fourth spring 48 and the fifth spring 52, the rapid return of the supporting rod 51 is facilitated, and by providing, can be when 8 slopes of excavator, can stretch out the telescopic link automatically in the slope side to excavator 8 to the slope supports, avoid 8 inclination too big and influence 8 stirring position of excavator and keep apart the setting position of dentate wall 2, set up adjusting device 53, help the accurate location to stirring position, be convenient for equidistant setting keeps apart dentate wall 2 when the construction, further improved the structural strength of composite foundation and the wholeness of keeping apart dentate wall 2.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A sludge solidification reinforced composite foundation treatment method is characterized by comprising the following steps:
step 1: obtaining sludge in a sludge layer (1), and selecting a curing agent according to the characteristics of the sludge;
step 2: conveying the curing agent to the inside of the sludge layer (1) by using construction equipment, and uniformly stirring the curing agent to manufacture an isolation tooth wall (2);
and step 3: according to a reinforcement scheme and reinforcement area requirements, repeating the step 2, and manufacturing a plurality of continuous fixed isolation tooth walls (2) in the sludge layer (1);
and 4, step 4: arranging a cover plate (3) at the upper end of the isolation tooth wall (2) by using the construction equipment, wherein the upper ends of a plurality of isolation tooth walls (2) are fixedly connected with the bottom surface of the cover plate (3);
and 5: after the cover plate (3) reaches the preset strength, arranging a plurality of covering layers (4) and a plurality of reinforced filter screens (5) on the upper surface of the cover plate (3);
step 6: and arranging the covering layer (4) and the reinforced filter screen (5) at equal intervals according to the rigidity design requirement to form a composite foundation.
2. The method for treating the sludge curing reinforced composite foundation as claimed in claim 1, wherein in the step 2, the width of the isolation tooth wall (2) is 0.6m-1.2m according to the characteristics and design bearing capacity requirements of the sludge layer (1).
3. The method for treating the sludge curing reinforced composite foundation as claimed in claim 1, wherein in the step 3, the separating tooth walls (2) comprise transverse walls (6) and longitudinal walls (7), a plurality of the transverse walls (6) and a plurality of the longitudinal walls (7) are criss-crossed to form a grid structure, the depth of each longitudinal wall (7) is not less than 5m, the depth of each transverse wall (6) is not less than 3m, the interval between two adjacent longitudinal walls (7) is 5m-10m, and the interval between two adjacent transverse walls (6) is 5m-10m according to the characteristics of the sludge layer (1) and the design bearing capacity requirement.
4. The method for treating a sludge curing reinforced composite foundation according to claim 1, wherein in the step 4, the thickness of the cover plate (3) is set according to the thickness of the sludge layer (1), and the thickness of the cover plate (3) is not less than 1 m.
5. The method for treating the sludge curing reinforced composite foundation according to the claim 1, wherein in the step 5, after the cover plate (3) is arranged, the cover plate (3) needs to be cured, so that the cover plate (3) reaches the preset strength, and the curing time is not less than 24 hours.
6. The method for treating the sludge curing reinforced composite foundation as claimed in claim 1, wherein in the step 6, the covering layer (4) is compacted, the thickness of the covering layer (4) is controlled according to the elevation on site, and the thickness of the covering layer (4) is not less than 1 m.
7. The method for treating the sludge solidification reinforced composite foundation according to the claim 1, wherein the construction equipment is an excavator (8), and a stirring device is arranged at the front end of the excavator (8) and used for conveying the curing agent to the inside of the sludge layer (1) and stirring the inside of the sludge layer (1).
8. The method for treating the sludge solidification reinforced composite foundation according to claim 7, wherein the stirring device comprises:
the upper end of the telescopic column (9) is hinged with the front end of the excavator (8);
the stirring box (10) is arranged at the lower end of the telescopic column (9), and the upper surface of the stirring box (10) is fixedly connected with the lower end of the telescopic column (9);
the first motor (11) is arranged inside the stirring box (10), and the upper end of the first motor (11) is fixedly connected with the inner wall of the upper end of the stirring box (10);
the first rotating shaft (12), the first rotating shaft (12) is arranged at the lower end of the first motor (11), and the first rotating shaft (12) is fixedly connected with an output shaft of the first motor (11);
the first bevel gear (13), the first bevel gear (13) is arranged at one end of the first rotating shaft (12) far away from the first motor (11);
the crankshaft (14) is arranged in the stirring box (10), the crankshaft (14) is located below the first motor (11), two ends of the crankshaft (14) are respectively in rotating connection with the inner walls of the left side and the right side of the stirring box (10), a second bevel gear (15) is arranged on the crankshaft (14), and the second bevel gear (15) is meshed with the first bevel gear (13);
the two first grooves (16) are symmetrically arranged on the inner walls of the left side and the right side of the stirring box (10);
the sliding plate (17) is arranged in the stirring box (10) in a sliding mode, the sliding plate (17) can slide up and down along the inner wall of the stirring box (10), and two ends of the sliding plate (17) respectively extend into the first groove (16) and are connected with the first groove (16) in a sliding mode;
the first spring (18), the first spring (18) is arranged in the first groove (16), one end of the first spring (18) is fixedly connected with the bottom wall of the first groove (16), and the other end of the first spring (18) is fixedly connected with the lower surface of the sliding plate (17);
one end of the first connecting rod (19) is rotatably connected with the bent part of the crankshaft (14), and the other end of the first connecting rod (19) is hinged with the center of the upper surface of the sliding plate (17);
the rack (20) is arranged on the lower surface of the sliding plate (17), one end of the rack (20) is fixedly connected with the lower surface of the sliding plate (17), and both sides of the rack (20) are provided with teeth;
the two first gears (21) are symmetrically arranged on the left side and the right side of the rack (20), the first gears (21) are rotationally connected with the front side wall and the rear side wall of the stirring box (10) through second rotating shafts, and the first gears (21) are meshed with the tooth profile of the rack (20);
a slide rail (22), the slide rail (22) is arranged in the stirring box (10), the bottom of the slide rail (22) is fixedly connected with the bottom wall of the stirring box (10), two first slide blocks (23) are symmetrically arranged on the slide rail (22), the two first slide blocks (23) are respectively connected with the slide rail (22) in a sliding way, the upper ends of the two first slide blocks (23) are respectively provided with a second motor (24), a second connecting rod (25) is arranged at one end of the second motor (24) facing the rack (20), a third rotating shaft (26) is arranged at one end of the second motor (24) far away from the second connecting rod (25), one end of the third rotating shaft (26) far away from the second motor (24) penetrates through the inner wall of the stirring box (10) and extends to the outside of the stirring box (10), the stirring device is also provided with a stirring blade (27), and the third rotating shaft (26) is in sliding connection with the side wall of the stirring box (10);
one end of the third connecting rod (28) is hinged with one end, far away from the second motor (24), of the second connecting rod (25), and the other end of the third connecting rod (28) is hinged with the eccentric position of the front side face of the first gear (21);
the drill bit (29) is arranged at the lower end of the stirring box (10), and the drill bit (29) is arranged to be a cone.
9. The method for treating the sludge solidification reinforced composite foundation according to claim 7, wherein an adjusting device (53) is arranged at the bottom of the excavator (8), and the adjusting device (53) comprises:
the mounting box (30) is internally provided with a first cavity (31), a guide column (32) is arranged in the first cavity (31), the guide column (32) is connected with a second sliding block (33) in a sliding manner, two ends of the guide column (32) are sleeved with second springs (34), one ends of the second springs (34) are fixedly connected with the inner wall of the first cavity (31), and the other ends of the second springs (34) are fixedly connected with the side wall of the second sliding block (33);
the two sides of the bottom of the first cavity (31) are provided with second grooves (35), the second grooves (35) are communicated with the first cavity (31), a sliding rod (36) is connected in the second grooves (35) in a sliding mode, one end, far away from the second sliding block (33), of the sliding rod (36) is fixedly connected with one end of a third spring (37), and the other end of the third spring (37) is fixedly connected with one end, far away from the first cavity (31), of the second grooves (35);
a contact switch (38), wherein the contact switch (38) is arranged at one end of the second groove (35) far away from the first cavity (31);
the two second cavities (39) are symmetrically arranged on the left side and the right side of the installation box (30), and the second cavities (39) are positioned below the first cavity (31);
the third motor (40) is arranged in the second cavity (39), the upper end of the third motor (40) is fixedly connected with the inner wall of the upper end of the second cavity (39), the output end of the third motor (40) is provided with a fourth rotating shaft (41), the fourth rotating shaft (41) extends to the lower part of the third motor (40) and is provided with a third bevel gear (42), and the third motor (40) is electrically connected with the contact switch (38);
the sleeve (43) is sleeved on the third motor (40), and the upper end of the sleeve (43) is fixedly connected with the inner wall of the upper end of the second cavity (39);
the fixing ring (44) is arranged in the sleeve (43), the outer wall of the fixing ring (44) is fixedly connected with the inner wall of the sleeve (43), and an annular groove (45) is formed in the inner wall of the fixing ring (44);
the rotating disc (46) is arranged in the fixing ring (44), the rotating disc (46) is rotatably connected with the fixing ring (44), the rotating disc (46) is fixedly connected with the fourth rotating shaft (41), a limiting block (47) is arranged on the side wall of the rotating disc (46), and the limiting block (47) is located in the annular groove (45);
the fourth spring (48) is arranged in the annular groove (45), one end of the fourth spring (48) is fixedly connected with one end of the annular groove (45), and the other end of the fourth spring (48) is fixedly connected with the side wall of the limiting block (47);
the fourth bevel gear (49) is arranged on the rear side of the third bevel gear (42) through a fifth rotating shaft (50), the fifth rotating shaft (50) is rotatably connected with the front inner wall and the rear inner wall of the second cavity (39), and the fourth bevel gear (49) is meshed with the third bevel gear (42);
one end of the supporting rod (51) is fixedly connected with the fifth rotating shaft (50), the other end of the supporting rod (51) extends to the outside of the installation box (30), and the supporting rod (51) is horizontally arranged;
one end of the fifth spring (52) is fixedly connected with the side wall of the support rod (51), and the other end of the fifth spring (52) is fixedly connected with the inner wall of the second cavity (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110028309.1A CN112878299A (en) | 2021-01-09 | 2021-01-09 | Sludge solidification reinforced composite foundation treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110028309.1A CN112878299A (en) | 2021-01-09 | 2021-01-09 | Sludge solidification reinforced composite foundation treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112878299A true CN112878299A (en) | 2021-06-01 |
Family
ID=76047645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110028309.1A Withdrawn CN112878299A (en) | 2021-01-09 | 2021-01-09 | Sludge solidification reinforced composite foundation treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112878299A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011190645A (en) * | 2010-03-16 | 2011-09-29 | Taisei Corp | Structure for liquefaction countermeasure |
| JP2013231309A (en) * | 2012-04-27 | 2013-11-14 | Takenaka Komuten Co Ltd | Soil improvement body and soil improvement method |
| CN103758113A (en) * | 2014-01-03 | 2014-04-30 | 中化二建集团有限公司 | Liquefaction resistance foundation stabilization method by grate hooping |
| CN204608536U (en) * | 2014-11-28 | 2015-09-02 | 天津二十冶建设有限公司 | A kind of high-fill roadbed structure |
| JP2015161093A (en) * | 2014-02-26 | 2015-09-07 | 大成建設株式会社 | Liquefaction countermeasure structure and construction method for the same |
| CN105284208A (en) * | 2015-11-17 | 2016-02-03 | 湖北双羽机械科技有限公司 | Rotary cultivation device with automatic balancing function |
| CN107585979A (en) * | 2017-09-30 | 2018-01-16 | 福建建中建设科技股份有限公司 | Riverway sludge curing process |
| CN208717128U (en) * | 2018-08-16 | 2019-04-09 | 中交水利水电建设有限公司 | A kind of water environment treatment sludge solidification processing equipment |
| CN109778829A (en) * | 2019-03-20 | 2019-05-21 | 安徽省水利水电勘测设计院 | A kind of Deep Thick Soft Ground rigid and flexible pile combines composite foundation with lattice wall |
| CN110130305A (en) * | 2019-04-12 | 2019-08-16 | 交通运输部天津水运工程科学研究所 | A kind of grid type soft-soil foundation treatment method and foundation structure |
| CN111663514A (en) * | 2020-05-26 | 2020-09-15 | 大地巨人(北京)工程科技有限公司 | Structural stability coordination method for treating soft soil roadbed by curing agent |
-
2021
- 2021-01-09 CN CN202110028309.1A patent/CN112878299A/en not_active Withdrawn
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011190645A (en) * | 2010-03-16 | 2011-09-29 | Taisei Corp | Structure for liquefaction countermeasure |
| JP2013231309A (en) * | 2012-04-27 | 2013-11-14 | Takenaka Komuten Co Ltd | Soil improvement body and soil improvement method |
| CN103758113A (en) * | 2014-01-03 | 2014-04-30 | 中化二建集团有限公司 | Liquefaction resistance foundation stabilization method by grate hooping |
| JP2015161093A (en) * | 2014-02-26 | 2015-09-07 | 大成建設株式会社 | Liquefaction countermeasure structure and construction method for the same |
| CN204608536U (en) * | 2014-11-28 | 2015-09-02 | 天津二十冶建设有限公司 | A kind of high-fill roadbed structure |
| CN105284208A (en) * | 2015-11-17 | 2016-02-03 | 湖北双羽机械科技有限公司 | Rotary cultivation device with automatic balancing function |
| CN107585979A (en) * | 2017-09-30 | 2018-01-16 | 福建建中建设科技股份有限公司 | Riverway sludge curing process |
| CN208717128U (en) * | 2018-08-16 | 2019-04-09 | 中交水利水电建设有限公司 | A kind of water environment treatment sludge solidification processing equipment |
| CN109778829A (en) * | 2019-03-20 | 2019-05-21 | 安徽省水利水电勘测设计院 | A kind of Deep Thick Soft Ground rigid and flexible pile combines composite foundation with lattice wall |
| CN110130305A (en) * | 2019-04-12 | 2019-08-16 | 交通运输部天津水运工程科学研究所 | A kind of grid type soft-soil foundation treatment method and foundation structure |
| CN111663514A (en) * | 2020-05-26 | 2020-09-15 | 大地巨人(北京)工程科技有限公司 | Structural stability coordination method for treating soft soil roadbed by curing agent |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105019422B (en) | Topsoil is cured in situ the foundation construction method that carrying is combined with stake | |
| CN107989092A (en) | It is a kind of to collect ditching, the mechanization laying communication cable equipment of laying and backfill one | |
| CN110820716A (en) | Method for dynamic compaction composite treatment of mucky soil foundation by gravel pile, drainage plate and upper filling body | |
| CN105019425B (en) | A kind of construction method of displacement hull and cured layer combined foundation structure | |
| CN113417293A (en) | Building construction deep basal pit bearing structure | |
| CN110130431B (en) | Water supply and drainage pipeline burying device for mud land area | |
| CN112878299A (en) | Sludge solidification reinforced composite foundation treatment method | |
| CN111560942B (en) | Rammed stone pier reinforcement structure supported by closely-spaced three-dimensional grids and construction method thereof | |
| CN107916663B (en) | Construction method for soft soil foundation | |
| CN218090863U (en) | Material grouting device for construction based on hydraulic engineering | |
| CN108049442A (en) | A kind of automation is laid with direct burial parallel set number aerial insulated cable equipment | |
| CN218204396U (en) | Construction slurry recovery device for bored pile and cast-in-place pile in water | |
| CN113926828B (en) | Treatment device for regenerating consolidation soil from municipal construction building waste | |
| JP4029335B2 (en) | Consolidation accelerated landfill method | |
| CN108075401A (en) | A kind of automation is laid with direct burial 10KV aerial insulated cable equipment | |
| CN217616090U (en) | Filtering equipment for producing and processing ground-based materials | |
| CN112746538B (en) | Construction method and equipment for changing and filling mucky soil in creek pond mucky soil | |
| CN207419517U (en) | Composite foundation reinforcement rockfill barrier wall structure | |
| CN221837644U (en) | Hydraulic engineering is with quick pit filling equipment | |
| CN219298175U (en) | Building foundation consolidates bearing structure | |
| CN116876596B (en) | Multifunctional integrated deep foundation pit excavating device | |
| CN117779829B (en) | Assembled cantilever retaining wall and construction method thereof | |
| CN115559290A (en) | Dynamic compaction device for reinforcing shallow silt backfill soil and construction method thereof | |
| CN113897830B (en) | Construction method of soft foundation embankment | |
| CN214784095U (en) | Curtain wall structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210601 |
|
| WW01 | Invention patent application withdrawn after publication |