CN115387322B - Multi-angle grouting soil body reinforcing device for helping slurry global diffusion - Google Patents
Multi-angle grouting soil body reinforcing device for helping slurry global diffusion Download PDFInfo
- Publication number
- CN115387322B CN115387322B CN202210411877.4A CN202210411877A CN115387322B CN 115387322 B CN115387322 B CN 115387322B CN 202210411877 A CN202210411877 A CN 202210411877A CN 115387322 B CN115387322 B CN 115387322B
- Authority
- CN
- China
- Prior art keywords
- grouting
- sleeve
- pipe
- soil body
- wall
- 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.)
- Active
Links
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
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
- E21B33/14—Methods or devices for cementing, for plugging holes, crevices, or the like for cementing casings into boreholes
- E21B33/146—Stage cementing, i.e. discharging cement from casing at different levels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
Abstract
The invention discloses a multi-angle grouting soil body reinforcing device which is beneficial to the global diffusion of slurry, comprising an operation table and an outer sleeve, wherein a grouting disc is fixed on the outer wall of the upper section of the outer sleeve, a rotating shaft is rotatably arranged in the middle of the outer sleeve, a drill bit is arranged at the lower end of the rotating shaft, a plurality of grouting cavities are arranged on the outer circumferential wall of the outer sleeve at intervals along the axial direction of the outer sleeve, a plurality of telescopic holes are uniformly formed in the outer circumferential wall of each grouting cavity, and a grouting mechanism is arranged in each telescopic hole. According to the invention, the drill bit is used for pile hole drilling, the outer sleeve is synchronously lowered, after reaching the depth of a target soil body, the grouting mechanism in the grouting cavities is used for horizontally grouting the target soil body, namely, mixed liquid formed by curing liquid and bacterial liquid is subjected to layered horizontal injection, a plurality of columnar layered curing areas are formed at the depth of the target soil body, and mixed liquid is injected into all pore channels deep in the target soil body, so that the purpose of global coverage grouting curing is realized.
Description
Technical Field
The invention relates to the technical field of soil engineering solidification seepage prevention, in particular to a multi-angle grouting soil reinforcing device which is beneficial to the global diffusion of grout.
Background
The problem of insufficient bearing capacity of the foundation is frequently encountered in the civil engineering construction process. The foundation soil body with insufficient bearing capacity is usually reinforced by adopting a certain technical means in engineering so as to meet the engineering construction requirements. Traditional foundation strengthening methods such as mechanical rolling, soil replacement, chemical grouting or cement grouting have obvious defects although the effect is remarkable. For example, the mechanical rolling method only plays roles in reinforcing surface soil; the method for changing the filling layer has large labor consumption and high economic cost; the diffusion distance of chemical grouting or cement grouting is short, and the environmental negative effect is obvious. Compared with the traditional soil body reinforcing method, the natural environment-friendly ecological improvement technology is more in line with the sustainable development concept.
Biomineralization is a natural process, widely existing in water environment, soil and rock, and MICP technology realized by using the process provides a new reinforcement thought for encountering insufficient bearing capacity of a foundation in civil engineering construction. Under the large background of ecological priority and green development, the microorganism-induced calcium carbonate precipitation (MICP) technology which has a wide application range and little environmental pollution and is developed in recent years is gradually applied to the field of poor soil reinforcement. And (3) compared with other traditional reinforcement methods: compared with the traditional methods such as mechanical rolling, soil filling layer changing, chemical grouting, cement grouting and the like, the method is more environment-friendly and mild in MICP. MICP is a non-erosion and low-pressure propagation injection soil layer of bacterial liquid and cementing liquid (generally a mixed solution of urea and calcium salt) required by mineralization, and calcium carbonate crystal cementing sand particles are induced to be generated in the soil body by utilizing the mineralization of microorganisms widely existing in the nature so as to improve the compactness of the sand and the cementation among the sand particles, thereby improving the mechanical property of the soil layer. At present, the curing mode generally adopted at present has the same defects of horizontal grouting and vertical grouting, namely when the slurry formed by mixing the curing liquid and the bacterial liquid is injected from the horizontal direction or the vertical direction, the slurry is easy to block the slurry from moving downwards due to calcium carbonate crystals generated by curing, and the slurry is difficult to horizontally inject due to uneven size and distribution of pore channels in a soil layer, namely, the curing effect achieved by the two grouting modes is not ideal.
Disclosure of Invention
The invention aims to provide a multi-angle grouting soil body reinforcing device which is beneficial to the global diffusion of slurry so as to solve the problems.
The invention is realized by the following technical scheme:
the multi-angle grouting soil body reinforcing device comprises an operation table and an outer sleeve which movably penetrates through the operation table, wherein a coaxial grouting disc is fixed on the outer wall of the upper section of the outer sleeve, a rotating shaft is rotatably arranged in the middle of the outer sleeve, the upper end of the rotating shaft is connected with the output end of an external motor, a drill bit is arranged at the lower end of the rotating shaft, a plurality of annular grouting cavities are arranged on the outer circumferential wall of the outer sleeve at intervals along the axial direction of the outer sleeve, a plurality of telescopic holes are uniformly formed in the outer circumferential wall of each grouting cavity, and grouting mechanisms are arranged in the telescopic holes; during grouting, the rotating shaft can drive the grouting mechanisms to move out of the telescopic holes and move along the radial outer soil body of the outer sleeve in a radiation manner. In the prior art, the horizontal grouting and the vertical grouting which are commonly used for curing sand by utilizing an MICP mode have the defects of different modes respectively; the former is difficult to realize because the vertical distance between adjacent horizontal grouting openings in the vertical direction is larger, the consolidation effect of the middle sand is poor, and the cost for increasing the number of the horizontal grouting openings in the vertical direction by reducing the distance adopted for solving the problem is increased, and the manufacturing difficulty is increased; the slurry flows along the pore channels originally existing in the soil body by simply utilizing the action of gravity, the slurry is easier to enter in the place facing the macropore channels, the macropore channels are further communicated with each other, the slurry can only flow through the communicated place, the consolidation effect of other parts of the soil body is not ideal, in addition, the activity of the high-concentration bacterial liquid is higher, the calcium carbonate crystals can be quickly hydrolyzed to form mineralization crystals to form blocking on the upper layer of the sand, the solidification effect of the lower layer of the sand is poor, meanwhile, the horizontal solidification improvement effect is often limited to be only in the range of 1-2 pipe diameters because the horizontal diffusion range of the slurry is very limited; in this regard, the applicant develops and designs a multi-angle grouting soil body reinforcing device, firstly, a drill bit is used for pile hole drilling, an outer sleeve is synchronously lowered, after reaching the target soil body depth, grouting mechanisms in a plurality of grouting cavities are used for horizontally grouting the target soil body, namely, mixed liquid formed by curing liquid and bacterial liquid is subjected to layered horizontal injection, a plurality of columnar layered curing areas are formed at the target soil body depth, and mixed liquid is injected into all pore channels deep in the target soil body, so that the whole-domain coverage grouting curing purpose is realized.
The specific operation process is as follows: firstly, determining a target soil body, then determining the depth of the target soil body, opening a drilling pile hole in the center area of the target soil body, synchronously lowering an outer sleeve on the outer wall of a rotating shaft of a drill bit, ensuring that the aperture of the pile hole is larger than the outer diameter of a grouting cavity on the outer sleeve, continuously rotating the rotating shaft to move downwards after the pile hole is formed, enabling a grouting mechanism linked with the rotating shaft to sequentially move out of a plurality of telescopic holes and radially advance in the radial soil body of the outer sleeve, and simultaneously, injecting slurry into the grouting mechanisms positioned at different depths by a grouting disk communicated with the inner part of the outer sleeve, so that the aim of realizing whole-domain coverage grouting solidification is fulfilled. It should be further explained that the grouting mode of the grouting mechanism in the technical scheme is two-stage grouting, namely, the grouting can be selectively performed according to the distribution of pore channels in soil while horizontal telescopic grouting is realized.
A plurality of guide cylinders are arranged in the grouting cavity at equal intervals along the circumferential direction of the outer sleeve, one end of each guide cylinder is open, the open end of each guide cylinder is communicated with a telescopic hole, the grouting mechanism is contracted and placed in each guide cylinder, the other end of each guide cylinder is connected with the inner wall of the grouting cavity, a conical gear is arranged on the inner circumferential wall of the grouting cavity, the conical gear is linked with the grouting mechanism through a connecting rod, a support ring is rotatably arranged on the inner circumferential wall of the grouting cavity, the support ring is connected with the end face of a gear disc through a plurality of support rods, a toothed belt meshed with the conical gear is arranged on the outer circumferential wall of the gear disc, a plurality of limiting blocks are arranged on the outer circumferential wall of the gear disc along the circumferential direction of a rotating shaft, and a plurality of limiting grooves matched with the limiting blocks are formed in the inner circumferential wall of the gear disc; the grouting device comprises an outer sleeve, a grouting disc, a plurality of grouting mechanisms, a plurality of grouting cavities, a plurality of grouting pipes, a plurality of grouting mechanisms, a plurality of grouting guide rails and a plurality of grouting guide rails. Further, a plurality of guide cylinders are arranged in the grouting cavities, in an initial state, the grouting mechanisms are correspondingly contracted and placed in the guide cylinders, a supporting ring is arranged on the inner circumferential wall of each grouting cavity, a gear disc is connected to the supporting ring through a supporting rod, when the grouting cavities move to the corresponding target soil depths, the rotating shaft stops rotating and keeps continuously moving downwards for a certain distance, further, a limiting block smoothly enters a limiting groove matched with the limiting groove, an external motor is restarted, the rotating shaft rotates again, the gear disc is driven to rotate while the rotating shaft rotates, a conical gear matched with a toothed belt is driven to rotate, the grouting mechanisms are driven to change from a contracted state to a stretched state through rotation of the conical gear, namely, the grouting mechanisms move out of the guide cylinders and radiate and move towards the target soil along the radial direction of an outer sleeve; at this time, when the grouting mechanism is fully extended, the grouting mechanism is used for completing grouting treatment into a target soil body by continuously injecting the pressurized grouting liquid into the grouting disc, and conveying the grouting liquid into the grouting mechanisms step by step along the liquid inlet pipe.
The grouting mechanism comprises a primary sleeve, a secondary sleeve, a tertiary sleeve and a quaternary sleeve which are sleeved in sequence from inside to outside, wherein a screw is arranged in the middle of the quaternary sleeve, one end of the screw is connected with a connecting rod, a blind hole is formed in the end face of the other end of the screw, a lantern ring is rotationally arranged on the screw, a connecting hole for a liquid inlet pipe to pass through is formed in the lantern ring, and a liquid inlet channel communicated with the blind hole is formed in the outer wall of the liquid inlet pipe positioned in the connecting hole;
a base which is in threaded fit with the screw rod and has a T-shaped longitudinal section is sleeved on the screw rod, a secondary turntable is rotationally arranged on the outer wall of a vertical section of the base, the outer wall of a horizontal section of the base is connected with the end part of a tertiary sleeve, a secondary follow-up pipe is fixed on the end surface of the secondary turntable, an external thread is arranged on the outer circumferential wall of the secondary follow-up pipe, a movable seat which is in threaded fit with the secondary follow-up pipe and has a T-shaped longitudinal section is sleeved on the outer circumferential wall of the secondary follow-up pipe, a primary turntable is rotationally arranged on the outer wall of the vertical section of the movable seat, a primary follow-up pipe is fixed on the end surface of the primary turntable, an external thread is arranged on the outer circumferential wall of the primary follow-up pipe, and the inner circumferential wall of the primary sleeve is in threaded fit with the outer circumferential wall of the primary follow-up pipe;
at least one fillister is arranged on the outer circumferential wall of each of the primary sleeve, the secondary sleeve and the tertiary sleeve, and clamping grooves matched with the fillister are arranged on the inner circumferential wall of each of the secondary sleeve, the tertiary sleeve and the quaternary sleeve; a plurality of guide grooves are formed in the outer circumferential walls of the secondary follow-up tube along the axial direction of the screw rod and the secondary follow-up tube, and guide plates matched with the guide grooves are arranged in the outer circumferential walls of the secondary follow-up tube and the primary follow-up tube;
and a plurality of grouting holes are arranged on the outer circumferential walls of the primary sleeve, the secondary sleeve and the tertiary sleeve. Further, after the pressurized slurry sequentially enters each grouting mechanism step by step through the liquid inlet pipe, the slurry flows into the blind holes along the liquid inlet channel, at the moment, the sleeve ring is rotationally arranged on the outer wall of the screw rod, and the screw rod and the sleeve ring are guaranteed to generate relative motion due to the vertical arrangement of the liquid inlet pipe, namely, the sleeve ring is kept static while the screw rod rotates, at least one ridge is arranged on the outer circumferential walls of the primary sleeve pipe, the secondary sleeve pipe and the tertiary sleeve pipe, and clamping grooves matched with the ridge are arranged on the inner circumferential walls of the secondary sleeve pipe, the tertiary sleeve pipe and the quaternary sleeve pipe; a plurality of guide grooves are formed in the outer circumferential walls of the secondary follow-up tube and the secondary follow-up tube along the axial direction of the screw rod, guide plates matched with the guide grooves are arranged on the outer circumferential walls of the secondary follow-up tube and the primary follow-up tube, so that the screw rod rotates and simultaneously drives the base and the movable seat to do linear motion along the axis of the screw rod in the direction away from the lantern ring, similarly, the three-stage sleeve connected with the base, the secondary sleeve connected with the movable seat, the primary turntable supported by the movable seat and the secondary turntable supported by the base synchronously do linear motion along the axis of the screw rod in the direction away from the lantern ring, the primary sleeve, the secondary sleeve and the three-stage sleeve are sequentially stretched out, grouting holes formed in the primary sleeve, the secondary sleeve and the tertiary sleeve are sequentially penetrated into soil body, and finally the grouting is vertically penetrated upwards by self gravity, and synchronous grouting solidification operation of a plurality of layered columnar areas is further completed.
Annular grooves are formed in the outer wall of the vertical section of the movable seat and the outer wall of the vertical section of the base, and sliding rods which are matched with the grooves and are in a minor arc shape are arranged on the inner circumferential walls of the secondary turntable and the primary turntable. Preferably, the inferior arc slide bar can rotate along the annular grooves on the outer walls of the vertical section of the movable seat and the vertical section of the base, so as to ensure the rotation stability of the primary turntable and the secondary turntable.
The outer wall of the liquid inlet pipe is provided with a slurry outlet hole, the inner circumferential wall of the liquid inlet pipe is provided with a butt joint hole along the radial direction of the lantern ring, the outer circumferential wall of the lower section of the liquid inlet pipe is provided with a plurality of slurry spraying holes communicated with the inside of the blind hole at intervals along the circumferential direction of the screw rod, and the slurry outlet hole, the butt joint hole and the slurry spraying holes are mutually communicated to form a liquid inlet channel. Further, the liquid inlet channel is formed by mutually communicating the slurry outlet hole, the butt joint hole and the slurry spraying hole, slurry respectively enters into the sleeve rings with different depths through the slurry injection disc and the liquid inlet pipe, and the sleeve rings are kept static while the screw rotates, so that the slurry can smoothly enter into the blind holes from the butt joint hole by utilizing a space area formed by a plurality of slurry spraying holes; it should be noted that, on the same lantern ring, two liquid inlet pipes are preferably arranged, the two liquid inlet pipes are symmetrically distributed along the axis of the lantern ring, the liquid in the two liquid inlet pipes is curing liquid and bacterial liquid respectively, the two liquids entering into the blind holes are primarily mixed by utilizing the outside of the screw rod between two adjacent slurry spraying holes, and the liquid inlet pipes can be effectively prevented from being blocked due to curing reaction in the long-time grouting operation process.
The distance between two adjacent guniting holes is smaller than the inner diameter of the butt joint hole. Preferably, the distance between two adjacent grouting holes is smaller than the inner diameter of the butt joint hole, so that the space for the slurry to continuously pass through the grouting holes when the screw rotates is increased, and the slurry discharge of the grouting holes on the outer walls of the continuous primary sleeve, the secondary sleeve and the tertiary sleeve is ensured.
The longitudinal section of the guniting hole is T-shaped, the small-diameter section of the guniting hole is communicated with the butt joint hole, and the large-diameter section of the guniting hole is communicated with the blind hole. Preferably, the longitudinal section of the guniting hole is T-shaped, and the small-diameter section of the guniting hole is communicated with the butt joint hole, and the large-diameter section of the guniting hole is communicated with the blind hole, so that the flow section of the slurry when passing through the guniting hole is changed, namely from small to large, and further the impact force of the slurry on the inside of the blind hole is relieved by a small margin, and the smooth discharge of the slurry is facilitated.
A telescopic pipe is arranged in each grouting hole, a rubber clamping ring protruding out of the end face of the grouting hole is arranged on the outer circumferential wall of one end of the telescopic pipe, the end face of the rubber clamping ring is sealed with the other end of the telescopic pipe, and a cross incision is formed in the sealed end of the rubber clamping ring; during grouting, the grout drives the closed end of the telescopic pipe to diffuse towards the periphery of the soil body. Further, when the primary sleeve, the secondary sleeve and the tertiary sleeve are fully extended, through arranging the telescopic pipes in each grouting hole, the telescopic pipes can be driven by the grouting liquid with pressure to punch out the grouting holes, and when the telescopic pipes are filled with the grouting liquid, the grouting liquid which is continuously injected can break through the cross notch on the end face of the telescopic pipes so as to permeate into soil bodies, after the grouting is completed, the grouting liquid is waited to complete curing reaction and generate calcium carbonate crystals, a plurality of extended telescopic pipes can form irregular curve-shaped cured objects in target soil bodies, soil body reinforcement can be realized together with the irregular calcium carbonate crystals generated through permeation curing, and the curve-shaped cured objects can play a role of reinforcing steel bars.
The telescopic pipe is made of thermoplastic starch resin degradable plastics. Preferably, the telescopic pipe is made of thermoplastic starch resin degradable plastics, so that the telescopic pipe can ensure certain tensile property, realize harmless degradation in a target soil body and improve the environmental protection performance of grouting solidification of the soil body.
The outer wall of the upper section of the outer sleeve is also fixed with a cylindrical supporting seat, a plurality of supporting legs are arranged on the outer circumferential wall of the supporting seat at equal intervals along the circumferential direction of the supporting seat, and a claw is arranged at the lower end of each supporting leg. Further, after the operation panel and the grouting plate are placed, stable support is needed to be provided for the operation panel and the grouting plate, the operation panel and the grouting plate can be stably supported under different ground surface landforms by the support seat and the plurality of support legs which are arranged on the outer circumferential wall of the support seat at equal intervals along the circumferential direction of the support seat at intervals, and the clamping claws are arranged at the lower end of each support leg.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the invention, firstly, a drill bit is used for drilling a pile hole, an outer sleeve is synchronously lowered, after reaching the depth of a target soil body, grouting mechanisms in a plurality of grouting cavities are used for horizontally grouting the target soil body, namely, mixed liquid formed by curing liquid and bacterial liquid is subjected to layered horizontal injection, a plurality of columnar layered curing areas are formed at the depth of the target soil body, and mixed liquid is injected into all pore channels in the depth of the target soil body, so that the purpose of global coverage grouting curing is realized;
2. according to the invention, only when the drill bit reaches the maximum drilling depth, the rotating shaft stops rotating and keeps moving downwards for a certain distance, so that the limiting block smoothly enters the limiting groove matched with the rotating shaft, the supporting ring and the gear disc temporarily form a whole, the conical gear is driven to rotate, the grouting mechanisms with different target main body depths are driven to extend outwards, and finally synchronous grouting with different target soil depths is completed;
3. according to the invention, after grouting is completed, after the slurry is waited for completing the solidification reaction and generating the calcium carbonate crystal, the plurality of stretched telescopic pipes can form an irregular curve-shaped solidified object in a target soil body, the irregular calcium carbonate crystal generated by permeation solidification can be used for reinforcing the soil body, and the curve-shaped solidified object can play a role of reinforcing steel bars.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a longitudinal cross-sectional view of the outer sleeve;
FIG. 3 is a bottom view of the gear plate;
FIG. 4 is a schematic structural view of a grouting mechanism;
FIG. 5 is a cross-sectional view of the collar;
FIG. 6 is a cross-sectional view of the screw;
fig. 7 is a cross-sectional view of the primary cannula.
The reference numerals are represented as follows: 1-operation table, 2-grouting plate, 3-supporting seat, 4-supporting leg, 5-grouting cavity, 6-claw, 7-outer sleeve, 8-telescopic hole, 9-liquid inlet pipe, 10-grouting mechanism, 101-primary sleeve, 102-rib, 103-secondary sleeve, 104-tertiary sleeve, 105-quaternary sleeve, 106-grouting hole, 107-guide plate, 108-blind hole, 109-screw, 1010-guide groove, 1011-secondary follow-up pipe, 1012-moving seat, 1013-primary follow-up pipe, 1014-secondary rotary table, 1015-base, 1016-slide bar, 1017-lantern ring, 1018-connecting rod, 1019-connecting hole, 1020-base plate, 1021-clamping groove, 1022-connecting pin, 1023-primary rotary table, 1024-grouting hole, 1025-guide head, 1026-rubber snap ring, 1027-telescopic pipe, 1028-grouting hole, 1029-butt joint hole, 11-guide cylinder, 12-stopper, 13-toothed disc, 14-conical gear, 15-supporting ring, 16-17-rotary shaft, 18-rotary shaft and 18-limit bit.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention. It should be noted that the present invention is already in a practical development and use stage.
Example 1
As shown in fig. 1 to 7, the embodiment includes an operation table 1 and an outer sleeve 7 movably penetrating through the operation table 1, a coaxial grouting disk 2 is fixed on the outer wall of the upper section of the outer sleeve 7, a rotating shaft 16 is rotatably arranged in the middle of the outer sleeve, the upper end of the rotating shaft 16 is connected with an external motor output end, a drill bit 18 is arranged at the lower end of the rotating shaft 16, a plurality of annular grouting cavities 5 are arranged on the outer circumferential wall of the outer sleeve 7 at intervals along the axial direction of the outer sleeve 7, a plurality of telescopic holes 8 are uniformly formed in the outer circumferential wall of each grouting cavity 5, and grouting mechanisms 10 are arranged in the telescopic holes 8; during grouting, the rotating shaft 16 can drive the grouting mechanisms 10 to move out of the telescopic holes 8 and move radially along the radial outer soil body of the outer sleeve 7 at the same time; a plurality of guide cylinders 11 are arranged in the grouting cavity 5 at equal intervals along the circumferential direction of the outer sleeve 7, one end of each guide cylinder 11 is open, the open end of each guide cylinder is communicated with the corresponding telescopic hole 8, the grouting mechanism 10 is placed in each guide cylinder 11 in a contracted mode, the other end of each guide cylinder 11 is connected with the inner wall of the grouting cavity 5, a conical gear 14 is arranged on the inner circumferential wall of the grouting cavity 5, the conical gear 14 is linked with the grouting mechanism 10 through a connecting rod 1018, a supporting ring 15 is rotatably arranged on the inner circumferential wall of the grouting cavity 5, the supporting ring 15 is connected with the end face of the gear disc 13 through a plurality of supporting rods, a toothed belt meshed with the conical gear 14 is arranged on the outer circumferential wall of the gear disc 13, a plurality of limiting blocks 12 are arranged on the outer circumferential wall of the rotating shaft 16 along the circumferential direction of the rotating shaft 16, and a plurality of limiting grooves 17 matched with the limiting blocks 12 are formed in the inner circumferential wall of the gear disc 13; a plurality of liquid inlet pipes 9 are arranged in the grouting disk 2, each liquid inlet pipe 9 sequentially penetrates through a plurality of grouting cavities 5 vertically downwards along the axial direction of the outer sleeve 7, and in the vertical direction, each liquid inlet pipe 9 is communicated with the interiors of a plurality of grouting mechanisms 10 positioned on the same straight line.
The specific operation process is as follows: firstly, determining a target soil body, determining the depth of the target soil body, drilling a pile hole in the central area of the target soil body, synchronously lowering the outer sleeve 7 on the outer wall of the rotating shaft 16 of the drill bit 18, and ensuring that the aperture of the pile hole is larger than the outer diameter of the grouting cavity 5 on the outer sleeve 7; in the initial state, the grouting mechanism 10 is correspondingly contracted and placed in the guide cylinder 11, a supporting ring 15 is arranged on the inner circumferential wall of each grouting cavity 5, a gear disc 13 is connected to the supporting ring 15 through a supporting rod, when a plurality of grouting cavities 5 move to the corresponding target soil depths, the rotating shaft 16 stops rotating and keeps moving downwards for a certain distance, the limiting block 12 smoothly enters a limiting groove 17 matched with the rotating shaft, the external motor is restarted, the rotating shaft 16 rotates again, the gear disc 13 is driven to rotate while the rotating shaft 16 rotates, the conical gear 14 matched with a toothed belt is driven to rotate, the grouting mechanism 10 is driven to change from a contracted state to a stretched state through the rotation of the conical gear 14, namely, the grouting mechanism 10 moves out of the guide cylinder 11 and moves radially towards the target soil in the outer sleeve 7; at this time, when the grouting mechanism 10 is fully extended, the grouting process is completed by continuously injecting the pressurized grouting liquid into the grouting disk 2, conveying the grouting liquid into the grouting mechanisms 10 step by step along the liquid inlet pipe 9, and completing the grouting process into the target soil body by the grouting mechanism 10.
It should be noted that when the rotating shaft 16 drives the drill bit 18 to drill, the rotating shaft 16 is formed by splicing multiple sections of rotating rods, the same as the traditional drilling mode, wherein only one section of adjacent two sections of drill rods is provided with limiting blocks 12, the limiting blocks 12 on the rotating shaft 16 are distributed at intervals along the axial direction of the rotating shaft 16, when the drill rod provided with the limiting blocks 12 moves to the area where the grouting cavity 5 is located, the rotating shaft 16 stops rotating, the rotating shaft 16 is pushed vertically downwards to ensure that the limiting blocks 12 smoothly pass through the limiting grooves 17, then the rotating shaft 16 continuously drills downwards, and only when the drill bit 18 reaches the maximum drilling depth, the rotating shaft 16 stops rotating and keeps continuously downwards moving for a certain distance, and then the limiting blocks 12 smoothly enter the limiting grooves 17 matched with the rotating shaft, the supporting ring 15 and the gear disc 13 temporarily form a whole body, so as to drive the conical gears 14 to rotate, and further drive the grouting mechanisms 10 with different target main body depths to outwards extend, and finally synchronous grouting with different target soil depths is completed.
The grouting mechanism 10 of the core component in the embodiment comprises a primary sleeve 101, a secondary sleeve 103, a tertiary sleeve 104 and a quaternary sleeve 105 which are sleeved in sequence from inside to outside, wherein a screw 109 is arranged in the middle of the quaternary sleeve 105, one end of the screw 109 is connected with a connecting rod 1018, a blind hole 108 is formed in the end face of the other end of the screw 109, a lantern ring 1017 is rotatably arranged on the screw 109, a connecting hole 1019 for a liquid inlet pipe 9 to pass through is formed in the lantern ring 1017, and a liquid inlet channel communicated with the blind hole 108 is formed in the outer wall of the liquid inlet pipe 9 positioned in the connecting hole 1019;
a base 1015 which is in threaded fit with the screw 109 and has a T-shaped longitudinal section is sleeved on the screw 109, a secondary turntable 1014 is rotatably arranged on the outer wall of the vertical section of the base 1015, the outer wall of the horizontal section of the base 1015 is connected with the end part of the tertiary sleeve 104, a secondary follow-up pipe 1011 is fixed on the end surface of the secondary turntable 1014, an external thread is arranged on the outer circumferential wall of the secondary follow-up pipe 1011, a movable seat 1012 which is in threaded fit with the secondary follow-up pipe 1011 and has a T-shaped longitudinal section is sleeved on the outer circumferential wall of the secondary follow-up pipe 1011, a primary turntable 1023 is rotatably arranged on the outer wall of the vertical section of the movable seat 1012, a primary follow-up pipe 1013 is fixed on the end surface of the primary turntable 1023, the external circumferential wall of the primary follow-up pipe 1013 is provided with an external thread, and the inner circumferential wall of the primary sleeve 101 is in threaded fit with the outer circumferential wall of the primary follow-up pipe 1013;
at least one fillet 102 is arranged on the outer circumferential walls of the primary sleeve 101, the secondary sleeve 103 and the tertiary sleeve 104, and clamping grooves 1021 matched with the fillets 102 are arranged on the inner circumferential walls of the secondary sleeve 103, the tertiary sleeve 104 and the quaternary sleeve 105; a plurality of guide grooves 1010 are formed in the outer circumferential walls of the secondary follower pipe 1011 and the primary follower pipe 1013 along the axial direction of the screw 109, and guide plates 107 which are matched with the guide grooves 1010 are formed in the outer circumferential walls of the secondary follower pipe 1011 and the primary follower pipe 1013; a plurality of grouting holes 106 are provided on the outer circumferential walls of the primary casing 101, the secondary casing 103 and the tertiary casing 104.
The grouting mechanism 10 works: after the pressurized slurry sequentially enters each grouting mechanism 10 step by step from the liquid inlet pipe 9, the slurry firstly flows into the blind holes 108 along the liquid inlet channel, at the moment, the lantern ring 1017 is rotationally arranged on the outer wall of the screw 109, and the relative movement between the screw 109 and the lantern ring 1017 is ensured due to the vertical arrangement of the liquid inlet pipe 9, namely, the screw 109 rotates while the lantern ring 1017 is kept static, and at least one fillet 102 is arranged on the outer circumferential walls of the primary sleeve 101, the secondary sleeve 103 and the tertiary sleeve 104, and the clamping grooves 1021 matched with the fillets 102 are arranged on the inner circumferential walls of the secondary sleeve 103, the tertiary sleeve 104 and the quaternary sleeve 105; the screw 109 and the secondary follow-up pipe 1011 are provided with a plurality of guide grooves 1010 on the outer circumferential wall thereof along the axial direction, the secondary follow-up pipe 1011 and the primary follow-up pipe 1013 are provided with guide plates 107 matched with the guide grooves 1010 on the outer circumferential wall thereof, so that the screw 109 rotates and simultaneously drives the base 1015 and the movable base 1012 to do linear motion along the axis of the screw 109 in the direction far away from the collar 1017, similarly, the three-stage sleeve 104 connected with the base 1015, the secondary sleeve connected with the movable base 1012, the primary turntable 1023 supported by the movable base 1012 and the secondary turntable 1014 supported by the base 1015 synchronously do linear motion along the axis of the screw 109 in the direction far away from the collar 1017, the primary sleeve 101, the secondary sleeve 103 and the three-stage sleeve 104 are sequentially completed, the grouting holes 106 formed on the primary sleeve 101, the secondary sleeve 103 and the three-stage sleeve 104 are sequentially penetrated inwards by the slurry, and finally the slurry is vertically penetrated upwards by the gravity of the slurry, and the synchronous grouting solidification operation of a plurality of layered columnar areas is completed.
It should be noted that, the linkage state between the grouting mechanism 10 and the rotating shaft 16 can be maintained or released according to the drilling condition, that is, when drilling, the grouting cavities 5 are ensured not to affect the movement of the rotating shaft 16, when drilling to the target soil depth, the primary sleeve 101, the secondary sleeve 103 and the tertiary sleeve 104 can be driven to enter the soil horizontally, and when the rotating shaft 16 is driven to rotate reversely after the grouting process is completed, the primary sleeve 101, the secondary sleeve 103 and the tertiary sleeve 104 can be contracted into the guide cylinder 11 again; through the fixed-distance grouting of each layer of grouting cavity 5, the vertical penetration depth of the slurry is greatly reduced, the obstruction of calcium carbonate crystals generated by the slurry after the solidification reaction to the penetration of the slurry is avoided, and the integral solidification effect of the soil body is increased.
It should be further noted that, the liquid inlet channel is formed by the slurry outlet 1028, the butt joint 1029 and the slurry spraying 1024 being mutually communicated, the slurry enters the collars 1017 with different depths through the slurry injecting disc 2 and the liquid inlet pipe 9 respectively, and the collars 1017 keep static while the screw 109 rotates, and the slurry can smoothly enter the blind holes 108 from the butt joint 1029 by utilizing the space area formed by the plurality of slurry spraying 1024; it should be noted that, on the same collar 1017, preferably two liquid inlet pipes 9 are provided, the two liquid inlet pipes 9 are symmetrically distributed along the axis of the collar 1017, and the liquids in the two liquid inlet pipes 9 are respectively curing liquid and bacteria liquid, and the two liquids entering the blind hole 108 are primarily mixed by using the outside of the screw 109 between the two adjacent grouting holes 1024, so that the liquid inlet pipes 9 can be effectively prevented from being blocked due to curing reaction in the long-time grouting operation process.
Preferably, the minor arc shaped slide bar 1016 is capable of rotating along annular grooves on the vertical section of the mobile base 1012 and the outer wall of the vertical section of the base 1015 to ensure rotational stability of the primary turntable 1023 and the secondary turntable 1014.
Preferably, the longitudinal section of the guniting hole 1024 is T-shaped, and the small diameter section of the guniting hole 1024 is communicated with the butt joint hole 1029, and the large diameter section of the guniting hole 1024 is communicated with the blind hole 108, so that the flow section of the slurry passing through the guniting hole 1024 is changed, i.e. from small to large, so as to reduce the impact force of the slurry to the inside of the blind hole 108 in a small extent, and facilitate smooth discharge of the slurry.
Example 2
As shown in fig. 1 to 7, in this embodiment, on the basis of embodiment 1, a telescopic tube 1027 is provided in each of the grouting holes 106, a rubber snap ring 1026 protruding from the end face of the grouting hole 106 is provided on the outer circumferential wall of one end of the telescopic tube 1027, the end face of the rubber snap ring 1026 is closed with the other end of the telescopic tube 1027, and a cross-shaped notch is provided on the closed end thereof; during grouting, the grout drives the closed end of the telescopic pipe 1027 to diffuse towards the periphery of the soil body.
When the primary sleeve 101, the secondary sleeve 103 and the tertiary sleeve 104 are fully extended, by arranging the telescopic pipes 1027 in each grouting hole 106, the telescopic pipes 1027 can be driven by the grout with pressure to punch out the grouting holes 106, and when the telescopic pipes 1027 are filled with grout, the grout continuously injected can break through the cross-shaped notch on the end face of the telescopic pipes 1027 so as to permeate into soil; taking a grouting hole 106 on the primary sleeve 101 as an example, a rubber clamping ring 1026 is arranged on the inner side wall of the telescopic pipe 1027, and the outer diameter of the rubber clamping ring 1026 is slightly larger than the inner diameter of the grouting hole 106, so that the telescopic pipe 1027 can be ensured not to be separated from the inner wall of the primary sleeve 101 before grouting is performed by grout and a cross incision is not broken, the outer diameter of the telescopic pipe 1027 is smaller, the telescopic pipe 1027 can move in a relatively larger pore channel in a target soil body, and when the smaller pore channel or no pore channel exists in the target soil body corresponding to the grouting hole 106, a part extending out of the grouting hole 106 or being kept in the grouting hole 106 due to the blocking of the soil body; after grouting is completed and the slurry is waited for curing reaction and calcium carbonate crystals are generated, the plurality of extended telescopic pipes 1027 can form irregular curve-shaped cured objects in the target soil body, the irregular calcium carbonate crystals generated by permeation curing can be used for reinforcing the soil body, and the curve-shaped cured objects can play a role of reinforcing steel bars.
After the curing reaction is completed, the rotating shaft 16 is reversely rotated, so that the primary sleeve 101, the secondary sleeve 103 and the tertiary sleeve 104 are completely retracted into the guide cylinder 11, and the telescopic pipe 1027 can be directly removed from the grouting hole 106 by utilizing the shearing force generated when the three are retracted and the fixing effect of the cured matters in the soil body on the telescopic pipe 1027, so that the grouting mechanism 10 is retracted; the technical scheme explains the cross incision at the closed end of the telescopic pipe 1027, namely, the cross incision is only formed on the outer wall of the closed end of the telescopic pipe 1027 and does not penetrate the closed end of the telescopic pipe 1027, and preferably, the incision depth of the cross incision is two thirds of the thickness of the closed end of the telescopic pipe 1027, so that the telescopic pipe 1027 can be ensured to extend out of the grouting hole 106 smoothly on the premise of meeting a larger pore channel.
Preferably, the telescopic pipe 1027 is made of thermoplastic starch resin degradable plastics, so that the telescopic pipe 1027 can ensure certain tensile property, realize harmless degradation in a target soil body and improve the environmental protection performance of grouting solidification of the soil body.
Example 3
As shown in fig. 1, in this embodiment, after the drilling is completed, the operation table 1, the grouting plate 2, etc. are required to be stably supported on the basis of the embodiment 1, and the operation table 1, the grouting plate 2, etc. can be stably supported under different ground topography by the support base 3, and the plurality of legs 4 are provided on the outer circumferential wall of the support base 3 at equal intervals in the circumferential direction thereof, and the claw 6 is provided at the lower end of each leg 4.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (7)
1. Soil body device is consolidated in multi-angle slip casting that helps thick liquid universe to spread, including operation panel (1) and activity run through outer tube (7) of operation panel (1), its characterized in that: a coaxial grouting disc (2) is fixed on the outer wall of the upper section of the outer sleeve (7), a rotating shaft (16) is rotatably arranged in the middle of the outer sleeve, the upper end of the rotating shaft (16) is connected with the output end of an external motor, a drill bit (18) is arranged at the lower end of the rotating shaft (16), a plurality of annular grouting cavities (5) are arranged on the outer circumferential wall of the outer sleeve (7) at intervals along the axial direction of the outer sleeve, a plurality of telescopic holes (8) are uniformly formed in the outer circumferential wall of each grouting cavity (5), and grouting mechanisms (10) are arranged in the telescopic holes (8); during grouting, the rotating shaft (16) can drive the grouting mechanisms (10) to move out of the telescopic holes (8) and move radially along the radial outer soil body of the outer sleeve (7) at the same time;
a plurality of guide cylinders (11) are arranged in the grouting cavity (5) at equal intervals along the circumferential direction of the outer sleeve (7), one end of each guide cylinder (11) is open, the open end of each guide cylinder is communicated with a telescopic hole (8), a grouting mechanism (10) is arranged in each guide cylinder (11) in a contracted mode, the other end of each guide cylinder (11) is connected with the inner wall of the grouting cavity (5), a conical gear (14) is arranged on the inner circumferential wall of the grouting cavity (5), the conical gear (14) is linked with the grouting mechanism (10) through a connecting rod (1018), a supporting ring (15) is rotationally arranged on the inner circumferential wall of the grouting cavity (5), the supporting ring (15) is connected with the end face of the gear disc (13) through a plurality of struts, a toothed belt meshed with the conical gear (14) is arranged on the outer circumferential wall of the gear disc (13), a plurality of limiting grooves (17) matched with the limiting blocks (12) are formed in the inner circumferential wall of the gear disc (13) along the circumferential direction of the rotating shaft (16); a plurality of liquid inlet pipes (9) are arranged in the grouting disc (2), each liquid inlet pipe (9) sequentially penetrates through a plurality of grouting cavities (5) vertically downwards along the axial direction of the outer sleeve (7), and in the vertical direction, each liquid inlet pipe (9) is communicated with the interiors of a plurality of grouting mechanisms (10) positioned on the same straight line;
the grouting mechanism (10) comprises a primary sleeve (101), a secondary sleeve (103), a tertiary sleeve (104) and a quaternary sleeve (105) which are sleeved in sequence from inside to outside, wherein the middle part of the quaternary sleeve (105) is provided with a screw rod (109), one end of the screw rod (109) is connected with a connecting rod (1018), the end face of the other end of the screw rod (109) is provided with a blind hole (108), the screw rod (109) is rotatably provided with a lantern ring (1017), the lantern ring (1017) is provided with a connecting hole (1019) for the liquid inlet pipe (9) to pass through, and the outer wall of the liquid inlet pipe (9) positioned in the connecting hole (1019) is provided with a liquid inlet channel communicated with the blind hole (108);
a base (1015) which is in threaded fit with the screw rod (109) and has a T-shaped longitudinal section is sleeved on the screw rod (109), a secondary turntable (1014) is rotationally arranged on the outer wall of the vertical section of the base (1015), the outer wall of the horizontal section of the base (1015) is connected with the end part of the tertiary sleeve (104), a secondary follow-up pipe (1011) is fixed on the end surface of the secondary turntable (1014), an external thread is arranged on the outer circumferential wall of the secondary follow-up pipe (1011), a movable seat (1012) which is in threaded fit with the secondary follow-up pipe (1011) and has a T-shaped longitudinal section is sleeved on the outer circumferential wall of the secondary follow-up pipe, a primary turntable (1023) is rotationally arranged on the outer wall of the vertical section of the movable seat (1012), a primary follow-up pipe (1013) is fixed on the end surface of the primary turntable (1023), the external circumferential wall of the primary follow-up pipe (1013) is provided with the external thread, and the inner circumferential wall of the primary sleeve (101) is in threaded fit with the outer circumferential wall of the primary follow-up pipe (1013).
At least one fillet (102) is arranged on the outer circumferential walls of the primary sleeve (101), the secondary sleeve (103) and the tertiary sleeve (104), and clamping grooves (1021) matched with the fillets (102) are arranged on the inner circumferential walls of the secondary sleeve (103), the tertiary sleeve (104) and the quaternary sleeve (105); a plurality of guide grooves (1010) are formed in the outer circumferential walls of the secondary follow-up pipe (1011) along the axial direction of the screw rod (109), and guide plates (107) matched with the guide grooves (1010) are arranged in the outer circumferential walls of the secondary follow-up pipe (1011) and the primary follow-up pipe (1013);
a plurality of grouting holes (106) are formed in the outer circumferential walls of the primary sleeve (101), the secondary sleeve (103) and the tertiary sleeve (104);
a telescopic pipe (1027) is arranged in each grouting hole (106), a rubber clamping ring (1026) protruding out of the end face of each grouting hole (106) is arranged on the outer circumferential wall of one end of each telescopic pipe (1027), the end face of each rubber clamping ring (1026) is sealed with the other end of each telescopic pipe (1027), and a cross-shaped notch is arranged on the sealed end of each telescopic pipe; during grouting, the grout drives the closed end of the telescopic pipe (1027) to diffuse towards the periphery of the soil body.
2. The multi-angle grouting soil body reinforcing device for facilitating global diffusion of slurry according to claim 1, wherein: annular grooves are formed in the outer wall of the vertical section of the movable seat (1012) and the outer wall of the vertical section of the base (1015), and sliding rods (1016) which are matched with the grooves and are in a minor arc shape are arranged on the inner circumferential walls of the secondary turntable (1014) and the primary turntable (1023).
3. The multi-angle grouting soil body reinforcing device for facilitating global diffusion of slurry according to claim 1, wherein: the outer wall of the liquid inlet pipe (9) is provided with a slurry outlet hole (1028), the inner circumferential wall of the liquid inlet pipe is provided with a butt joint hole (1029) along the radial direction of the lantern ring (1017), the outer circumferential wall of the lower section of the liquid inlet pipe is provided with a plurality of slurry spraying holes (1024) communicated with the inside of the blind hole (108) at intervals along the circumferential direction of the screw (109), and the slurry outlet hole (1028), the butt joint hole (1029) and the slurry spraying holes (1024) are mutually communicated to form a liquid inlet channel.
4. A multi-angle grouting soil body reinforcing device for helping slurry to spread all over according to claim 3, wherein: the spacing between two adjacent guniting holes (1024) is smaller than the inner diameter of the butt joint holes (1029).
5. A multi-angle grouting soil body reinforcing device for helping slurry to spread all over according to claim 3, wherein: the longitudinal section of the guniting hole (1024) is T-shaped, the small-diameter section of the guniting hole (1024) is communicated with the butt joint hole (1029), and the large-diameter section of the guniting hole (1024) is communicated with the blind hole (108).
6. The multi-angle grouting soil body reinforcing device for facilitating global diffusion of slurry according to claim 1, wherein: the telescopic pipe (1027) is made of thermoplastic starch resin degradable plastics.
7. The multi-angle grouting soil body reinforcing device for assisting in global diffusion of slurry according to any one of claims 1-6, wherein: the outer wall of the upper section of the outer sleeve (7) is also fixed with a cylindrical supporting seat (3), a plurality of supporting legs (4) are arranged on the outer circumferential wall of the supporting seat (3) at equal intervals along the circumferential direction of the supporting seat, and a claw (6) is arranged at the lower end of each supporting leg (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210411877.4A CN115387322B (en) | 2022-04-19 | 2022-04-19 | Multi-angle grouting soil body reinforcing device for helping slurry global diffusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210411877.4A CN115387322B (en) | 2022-04-19 | 2022-04-19 | Multi-angle grouting soil body reinforcing device for helping slurry global diffusion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115387322A CN115387322A (en) | 2022-11-25 |
| CN115387322B true CN115387322B (en) | 2023-08-04 |
Family
ID=84115390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210411877.4A Active CN115387322B (en) | 2022-04-19 | 2022-04-19 | Multi-angle grouting soil body reinforcing device for helping slurry global diffusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115387322B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0782734A (en) * | 1993-09-17 | 1995-03-28 | Chem Grouting Co Ltd | Jet grout method and device used therefor |
| CN105350519A (en) * | 2015-11-10 | 2016-02-24 | 山东大学 | Advanced pre-grouting device suitable for shallow-buried tunnel construction in sand soil layer and construction process |
| CN105908585A (en) * | 2016-04-08 | 2016-08-31 | 天津市市政工程设计研究院 | Road foundation or base and building soft foundation grouting reinforcement method |
| KR20170011850A (en) * | 2015-07-24 | 2017-02-02 | (주)아리터 | Ground Improving Devive and Ground Improving Method Using The Same |
| CN108797561A (en) * | 2018-05-24 | 2018-11-13 | 广东诚创建设有限公司 | Soft foundation Grouting Pipe and the foundation stabilization reinforcement for utilizing the Grouting Pipe |
| CN209816877U (en) * | 2019-03-29 | 2019-12-20 | 北京碧鑫水务有限公司 | Foundation pit supporting structure |
| CN111549756A (en) * | 2020-05-14 | 2020-08-18 | 中南大学 | Grouting reinforcement equipment for karst soft filler |
| CN111549757A (en) * | 2020-05-14 | 2020-08-18 | 中铁五局集团电务工程有限责任公司 | Grouting reinforcement method suitable for soft filler karst cave |
| CN111549782A (en) * | 2020-05-14 | 2020-08-18 | 中铁南方投资集团有限公司 | Equipment for enlarging grouting reinforcement range |
| CN112695742A (en) * | 2020-11-09 | 2021-04-23 | 垣宝建设工程集团有限公司 | Precast pile and grouting method |
| CN112900415A (en) * | 2021-03-26 | 2021-06-04 | 西南石油大学 | Device and method for directionally solidifying sandy soil by microorganism-induced calcium carbonate precipitation |
| CN113062315A (en) * | 2021-04-01 | 2021-07-02 | 山东建筑大学 | Integrated reinforcing device and method for telescopic anchoring and segmented constant-pressure grouting |
| CN214997751U (en) * | 2021-07-09 | 2021-12-03 | 陈丽燕 | Anchor rod for reinforcing tunnel construction |
| CN113914654A (en) * | 2021-11-15 | 2022-01-11 | 西南石油大学 | Grouting device for ecological restoration of concrete cracks |
-
2022
- 2022-04-19 CN CN202210411877.4A patent/CN115387322B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0782734A (en) * | 1993-09-17 | 1995-03-28 | Chem Grouting Co Ltd | Jet grout method and device used therefor |
| KR20170011850A (en) * | 2015-07-24 | 2017-02-02 | (주)아리터 | Ground Improving Devive and Ground Improving Method Using The Same |
| CN105350519A (en) * | 2015-11-10 | 2016-02-24 | 山东大学 | Advanced pre-grouting device suitable for shallow-buried tunnel construction in sand soil layer and construction process |
| CN105908585A (en) * | 2016-04-08 | 2016-08-31 | 天津市市政工程设计研究院 | Road foundation or base and building soft foundation grouting reinforcement method |
| CN108797561A (en) * | 2018-05-24 | 2018-11-13 | 广东诚创建设有限公司 | Soft foundation Grouting Pipe and the foundation stabilization reinforcement for utilizing the Grouting Pipe |
| CN209816877U (en) * | 2019-03-29 | 2019-12-20 | 北京碧鑫水务有限公司 | Foundation pit supporting structure |
| CN111549756A (en) * | 2020-05-14 | 2020-08-18 | 中南大学 | Grouting reinforcement equipment for karst soft filler |
| CN111549757A (en) * | 2020-05-14 | 2020-08-18 | 中铁五局集团电务工程有限责任公司 | Grouting reinforcement method suitable for soft filler karst cave |
| CN111549782A (en) * | 2020-05-14 | 2020-08-18 | 中铁南方投资集团有限公司 | Equipment for enlarging grouting reinforcement range |
| CN112695742A (en) * | 2020-11-09 | 2021-04-23 | 垣宝建设工程集团有限公司 | Precast pile and grouting method |
| CN112900415A (en) * | 2021-03-26 | 2021-06-04 | 西南石油大学 | Device and method for directionally solidifying sandy soil by microorganism-induced calcium carbonate precipitation |
| CN113062315A (en) * | 2021-04-01 | 2021-07-02 | 山东建筑大学 | Integrated reinforcing device and method for telescopic anchoring and segmented constant-pressure grouting |
| CN214997751U (en) * | 2021-07-09 | 2021-12-03 | 陈丽燕 | Anchor rod for reinforcing tunnel construction |
| CN113914654A (en) * | 2021-11-15 | 2022-01-11 | 西南石油大学 | Grouting device for ecological restoration of concrete cracks |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115387322A (en) | 2022-11-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106996105B (en) | Down-the-hole impact jet grouting stirring pile construction technology and equipment | |
| CN109853524B (en) | Construction method of expanded head stiff cement soil composite special-shaped pile | |
| CN104988910B (en) | Reducing rotating spraying mixture pile | |
| CN106087999B (en) | It is a kind of to stir the constructing device and its construction method for spraying expanding reinforcing pile | |
| CN104631480B (en) | Adopt the method that jet grouting pile driving machine carries out water seal for deep foundation pit curtain construction | |
| WO2017008470A1 (en) | Movable drill pile of pile driver for cement-soil mixing pile | |
| CN115387322B (en) | Multi-angle grouting soil body reinforcing device for helping slurry global diffusion | |
| CN110306542A (en) | Inner core is the construction method of the cement concrete composite pile of high pressure water soil | |
| CN108468334B (en) | Gravel stratum dry-excavation clay dado pore-forming bored concrete pile construction device | |
| CN111997041B (en) | Vacuum grouting device for preventing microorganism seepage of fractured rock mass and using method | |
| CN210507500U (en) | Drilling, spraying and stirring integrated seepage-proof curtain wall forming device | |
| CN106761448A (en) | A kind of pile-driving machine | |
| CN111794118A (en) | Construction method suitable for bridge pile foundation under loess fracture cave-in condition | |
| CN116378022A (en) | Diameter-variable multilayer bidirectional mutual shearing stirring drilling machine and construction method | |
| CN205776190U (en) | Prestressed concrete support pile for continuous supporting wall | |
| CN115354653A (en) | Construction method for weakening or eliminating soil squeezing stress of tubular pile | |
| CN211596748U (en) | Integrated enclosure structure of enclosure structure pile wall with prefabricated square piles | |
| KR100463104B1 (en) | Pillar-shaped hardening structure formation equipment and the formation method of leading cement milk pressure injection | |
| CN210315529U (en) | Self-drilling high-pressure rotary-jetting bag grouting expanding anti-floating anchor rod | |
| CN105220686B (en) | For single-power, the built-in one body swimming joint side steering of synchronous bidirectional mixing pile machine | |
| CN107642093A (en) | Stake holes slip casting adjustment structure | |
| CN116427396A (en) | Stirring pile construction method and composite pile construction method thereof | |
| CN107489153B (en) | A kind of casting tube for the injection of stake holes concrete grout | |
| CN111305761A (en) | Multi-shaft jet grouting drilling tool and synchronous construction method for multiple jet grouting piles | |
| CN205035793U (en) | A built -in integral type water swivel side steering that is used for single action power, synchronous two -way stirring stake machine |
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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Guo Liang Inventor after: Wang Baoquan Inventor after: Jiang Yuhong Inventor after: He Ni Inventor after: Lin Xingzhu Inventor after: Xue Duchen Inventor after: Peng Chengyu Inventor before: Guo Liang Inventor before: Jiang Yuhong Inventor before: He Ni Inventor before: Wang Baoquan Inventor before: Lin Xingzhu Inventor before: Xue Duchen Inventor before: Peng Chengyu |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |