CN114045834A - Sand soil fast curing grouting pile forming device - Google Patents
Sand soil fast curing grouting pile forming device Download PDFInfo
- Publication number
- CN114045834A CN114045834A CN202111467921.5A CN202111467921A CN114045834A CN 114045834 A CN114045834 A CN 114045834A CN 202111467921 A CN202111467921 A CN 202111467921A CN 114045834 A CN114045834 A CN 114045834A
- Authority
- CN
- China
- Prior art keywords
- grouting
- tap
- slurry
- curing agent
- pile
- 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.)
- Granted
Links
- 239000002689 soil Substances 0.000 title claims abstract description 48
- 239000004576 sand Substances 0.000 title claims abstract description 38
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 66
- 239000002002 slurry Substances 0.000 claims abstract description 66
- 238000007711 solidification Methods 0.000 claims abstract description 6
- 230000008023 solidification Effects 0.000 claims abstract description 6
- 239000011440 grout Substances 0.000 claims description 39
- 238000007789 sealing Methods 0.000 claims description 29
- 238000007569 slipcasting Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 13
- 238000007712 rapid solidification Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000009440 infrastructure construction Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- 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
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention provides a sand quick solidification grouting pile forming device which can quickly form a pile in loose sand soil. The device comprises a grouting platform subsystem and an air pressure subsystem; the air pressure subsystem is used for conveying curing agent slurry to the grouting platform subsystem; the grouting platform subsystem can be inserted into sandy soil and is used for conveying curing agent slurry into the sandy soil for grouting. The hollow layer of the device is utilized, and the sand body is rapidly solidified to form the pile in an additional grouting mode, so that the capability of bearing an additional load of the sand body is improved, and the sand body is prevented from generating overlarge collapse deformation.
Description
Technical Field
The invention belongs to the technical field of sandy soil solidification, and particularly relates to a sandy soil rapid solidification grouting pile-forming device.
Background
With the continuous development of infrastructure construction in China, because the territory area of China is wide and the land condition is complex, when the infrastructure construction is carried out, when a vehicle with large dead weight needs to pass through the surface of a loose sand soil body, the conditions such as collapse can be generated, and the vehicle cannot pass through quickly.
In the current curing research of loose sand soil body, inorganic curing agent is generally sprayed directly for curing, more chemical reagents are used for curing in the later period, but the surface curing effect is not very obvious, the curing time is long, and the purpose of rapid construction is difficult to meet.
What is needed is a device that can be cured quickly and at the same time prevent the sand from excessively collapsing and deforming.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a sand quick-curing grouting pile-forming device which can quickly form a pile in loose sand soil.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the invention provides a sand quick-curing grouting pile-forming device, which comprises a grouting platform subsystem and an air pressure subsystem;
the air pressure subsystem is used for conveying curing agent slurry to the grouting platform subsystem;
the grouting platform subsystem can be inserted into sandy soil and is used for conveying curing agent slurry into the sandy soil for grouting.
Further, the grouting platform subsystem comprises a grouting guide top box and grouting plate pages symmetrically distributed below the grouting guide top box;
a plurality of small grouting holes are distributed on the inner side page of the grouting plate page, and grouting can be conducted into sandy soil under grouting pressure;
the top page of the grouting plate page is provided with a grouting threaded hole, and the grouting plate page is communicated with the grouting guide top box through the grouting threaded hole to receive curing agent slurry;
the air pressure subsystem comprises an air compressor, a high-pressure air delivery pipe and a sealing tank;
the outlet of the air compressor is connected with one end of the high-pressure gas transmission pipe; the other end of the high-pressure gas pipe penetrates through the sealing tank to be communicated with the grouting platform subsystem;
the curing agent slurry is stored in the sealing tank;
and the air compressor is used for conveying the curing agent slurry in the sealing tank to the grouting platform subsystem through a communicated high-pressure gas conveying pipe.
Further, the curing agent slurry is a two-component liquid curing agent and comprises a curing agent A component slurry and a curing agent B component slurry;
the air pressure subsystem comprises an air compressor, a high-pressure air delivery pipe, an A sealing tank and a B sealing tank;
the outlet of the air compressor is connected with one end of the high-pressure gas transmission pipe; the other end of the high-pressure gas pipe penetrates through the sealing tank to be communicated with the grouting platform subsystem;
the A component slurry of the curing agent is stored in the A sealing tank, and the B component slurry of the curing agent is stored in the B sealing tank;
and the air compressor is used for respectively conveying the component A slurry of the curing agent in the component A sealed tank and the component B slurry in the component B sealed tank to the grouting platform subsystem through a communicated high-pressure gas conveying pipe.
Further, the air compressor is provided with a valve for controlling the starting or closing of the air compressor.
Further, the grouting platform subsystem comprises a grouting guide top box and a plurality of grouting plate pages symmetrically distributed below the grouting guide top box;
a plurality of small grouting holes are distributed on the inner side page of the grouting plate page, and grouting can be conducted into sandy soil under grouting pressure;
the top page of the grouting plate is provided with a grouting threaded hole, and the grouting plate is communicated with the grouting guide top box through the grouting threaded hole to receive the A-component grout or the B-component grout.
Further, the grouting guide top box comprises a base, an upper cover, an A grouting guide device and a B grouting guide device, wherein the A grouting guide device is arranged in the box body and used for guiding A component grout into a grouting plate page, and the B grouting guide device is used for guiding B component grout into the grouting plate page;
the upper cover is respectively provided with two screw holes and two grouting tap holes;
the base is respectively welded with a grout outlet threaded pipe orifice A and a grout outlet threaded pipe orifice B at four corners, and can be spirally fastened with a grouting plate for grouting;
the A grouting guide device comprises an A grouting tap; each grouting tap A is provided with three interfaces, wherein the upper interface is communicated with a grouting tap hole of the upper cover through threads, and the two interfaces at the lower end are respectively communicated with the grout outlet threaded pipe orifice A through a communicating pipe;
the B grouting guide device comprises a B grouting tap; each B grouting tap comprises three interfaces, wherein the upper interface is communicated with a grouting tap hole of the upper cover through threads, and the two interfaces at the lower end are respectively communicated with the B grout outlet threaded pipe orifice through a communicating pipe.
Furthermore, a fixing nut is fixedly arranged outside the hole of the grouting tap; and the upper end ports of the grouting tap A and the grouting tap B are respectively provided with a thread and are fixed by screwing with the fixing nut.
Further, a strip screw is welded on the base; the length of the long strip screw is greater than the height of the grouting guide top box, and the top end of the long strip screw extends out of the screw hole; the strip screw is matched with the corresponding nut through two screw holes on the inner side of the upper cover to be connected with the base and the upper cover through lock catches.
Furthermore, the tail end of the lower part of the grouting plate is in a knife-cut shape.
Further, the A slurry outlet threaded pipe orifice and the B slurry outlet threaded pipe orifice are spaced.
Furthermore, the grouting guide top box comprises a base, an upper cover and a grouting guide device which is arranged in the box body and used for guiding curing agent slurry into the grouting plate.
Further, the use method of the pile forming device comprises the following steps:
and respectively screwing the grouting tap into the fixing nut at the hole of the grouting tap. Then, one end of a communicating pipe is respectively connected with a grouting tap, the other end of the communicating pipe is connected with a grout outlet threaded pipe orifice of the base, and then the communicating pipe is screwed and fixed with a corresponding nut on the upper part of the top cover through a long-strip screw in the base;
connecting the grouting plate with a grout outlet threaded pipe orifice at the lower part of the base through a grouting threaded hole at the top;
the air pressure subsystem part is connected through a high-pressure air pipe and is tightly connected with a grouting tap at the upper part of the grouting guide device;
pressing the whole grouting platform subsystem into a sand body to form a cylindrical sand pile;
and after grouting is finished, taking out the whole grouting platform subsystem.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention adopts the air pressure subsystem for pressurization, and the grouting platform subsystem is inserted into sandy soil for solidification, so that the use is quick and convenient, the solidification effect is good, the efficiency is high, and the sand body is quickly solidified into a pile by an external grouting mode, so that the external load bearing capacity of the sand body is improved, and the sand body is prevented from generating overlarge collapse deformation.
2. The invention relates to a simple screwing device, a grouting flap plate can be connected with a grout outlet pipe opening of a base part through a screw, and all parts in a grouting guide top box can be connected through threads. The assembly is simple, and a set of device can be quickly assembled.
3. Because the grouting page plates are arranged according to a circular ring shape, the curing agent can quickly form a pile after penetrating through sand bodies in the curing page plates through the grout outlet holes
3. The invention adopts the separated injection, and the two curing agents are respectively injected into respective grouting page plates without mutual interference. And because the two curing agents are not mixed and stirred in the grouting page plate, the curing agents are not solidified into blocks after being mixed, and the curing agent can be quickly cleaned.
4. The grouting page plates of the experiment are symmetrically arranged, and the page plates injected by the same curing agent are isolated, so that when the sandy soil in the device is cured, two adjacent curing agents are easier to mix, and the grouting page plates are convenient to fully cure after permeation.
Drawings
FIG. 1 is a schematic diagram of the construction of a grouting subsystem of the present invention;
FIG. 2 is a schematic structural view of a slip sheet of the present invention;
FIG. 3 is an exploded view of the construction of the grouting-oriented top box of the present invention;
fig. 4 is a schematic view of the connection structure of the grouting platform subsystem and the air pressure subsystem of the invention.
In the figure: 1. grouting the board; 2. grouting and guiding the top box; 3. a base; 4. an upper cover; 5. a, discharging a slurry threaded pipe orifice; 6. b, discharging the slurry from the threaded pipe orifice; 7. a communicating pipe; 8. a strip screw; 9. a screw hole; 10. a corresponding nut; 11. grouting a tap hole; 12. a grouting a tap joint; 13. b, grouting a tap joint; 14. grouting small holes; 15. grouting a threaded hole; 16. an air compressor; 17. a valve; 18. a high pressure gas delivery pipe; 20. a, sealing the tank; 21. and B, sealing the tank.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of describing the present embodiment and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, cannot be construed as limiting the present embodiment.
The first embodiment is as follows:
the embodiment provides a sandy soil rapid solidification grouting pile-forming device which comprises a grouting platform subsystem and an air pressure subsystem;
the air pressure subsystem is used for conveying curing agent slurry to the grouting platform subsystem;
the grouting platform subsystem can be inserted into sandy soil and used for conveying curing agent slurry into the sandy soil for grouting.
Specifically, the air pressure subsystem comprises an air compressor 16, a high-pressure air pipe 18 and a seal tank;
the outlet of the air compressor 16 is connected with one end of a high-pressure gas pipe 18; the other end of the high-pressure gas pipe 18 penetrates through the sealing tank to be communicated with the grouting platform subsystem; the curing agent slurry is stored in the sealing tank; the air compressor 16 conveys the curing agent slurry in the seal tank to the grouting platform subsystem through a communication high-pressure air conveying pipe 18.
Note that the slurry delivery apparatus of this embodiment may be powered by air compressor 16 in a mode that is matched to the mode in which the grouting pump and grouting pipe force the slurry into the grouting platform subsystem.
Preferably, the air compressor 16 is provided with a valve 17 for controlling the on/off of the air compressor 16, which is convenient for the operator to control.
The grouting platform subsystem injects the curing agent slurry into the sandy soil to form a pile in the loose sandy soil body quickly.
The grouting platform subsystem comprises a grouting plate page 1 and a grouting guide top box 2. A plurality of small grouting holes 14 are distributed on the inner side page of the grouting plate page 1, and grouting can be conducted into sandy soil under grouting pressure. The top page of the grouting plate page 1 is provided with a grouting threaded hole 15, and the grouting plate page 1 is communicated with the grouting guide top box 2 through the grouting threaded hole 15 to receive curing agent slurry.
The grouting guide top box 2 comprises a base 3, an upper cover 4 and a grouting guide device arranged in the box body and used for guiding curing agent slurry into the grouting plate page 1.
The upper cover 4 is respectively provided with a screw hole 9 and a grouting tap hole 11. Two strip screws 8 are welded on the base 3; the length of the strip screw 8 is larger than the height of the grouting guide top box 2, and the top end of the strip screw extends out through the screw hole 9; the strip screw 8 is matched with the corresponding nut 10 through two screw holes 9 on the inner side of the upper cover 4 to be connected with the base 3 and the upper cover 4 in a locking way. Therefore, the connection can ensure the stable connection and is also beneficial to disassembly and cleaning.
Base 3 has the thick liquid threaded pipe mouth of welding respectively in four corners position department, can carry out the slip casting with the spiral straining of slip casting board page or leaf 1, and both ends all need to have the screw thread about the thick liquid threaded pipe mouth of pipe, and lower extreme meets slip casting board page or leaf 1, and the upper end needs to be higher than base 3.
The grouting guide device comprises a grouting tap; each grouting tap is provided with three interfaces, wherein the upper end interface is communicated with a grouting tap hole 11 of the upper cover 4 through threads, and the two interfaces at the lower end are respectively communicated with a grout outlet threaded pipe orifice through a communicating pipe 7;
a fixing nut is fixedly arranged outside the grouting tap hole 11; the upper end ports of the grouting taps are provided with threads and are fixed by screwing with fixing nuts.
Preferably, the tail end of the lower part of the grouting plate page 1 is in a knife-cut shape, so that the grouting plate page can conveniently cut into soil.
The device of the embodiment does not adopt a complete cylinder to circumscribe a sand body of a certain area at the periphery, but utilizes a plurality of page plates which are arranged according to a circle, thereby achieving the same effect. Specifically, the communicating pipe 7 can be a rubber pipe or a plastic pipe, is convenient to use and is easy to connect and clean.
The specific operation steps of the workflow comprise:
1. assembling the grouting guide device: the slip casting taps are screwed into the fixing nuts at the slip casting tap holes 11, respectively. Then utilize communicating pipe 7 one end to connect respectively at the slip casting tap, the other end connects the play thick liquid screw thread mouth of pipe of base 3, then it is fixed with the corresponding nut 10 on top cap upper portion to screw up through rectangular screw 8 in the base 3.
2. Assembling a grouting platform: the grouting plate 1 is respectively connected with the grout outlet threaded pipe orifice at the lower part of the base 3 through the grouting threaded hole 15 at the top.
3. The air pressure subsystem part is connected through a high-pressure air pipe and is tightly connected with a grouting tap at the upper part of the grouting guide device.
In actual operation, the whole grouting platform subsystem is pressed into a sand body to form a cylindrical sand pile (the radius and the size can be adjusted according to actual needs, and the size and the number of grouting plate pages 1 are changed for adjustment).
4. And after grouting is finished, taking out the whole grouting platform.
The curing agent slurry of the embodiment is a liquid type curing agent, and can adopt a luobang ionic soil curing agent, and common liquid soil curing agents are all available. But care should be taken to apply a quick slip to prevent setting in the high pressure gas line 18 and the gland.
The grouting page plate is connected with the grout outlet of the base 3 part through a screw through the threaded connection among all the parts, and the connection among all the parts in the grouting guide top box 2 can be connected through the threads. The assembly is simple, and a set of device can be quickly assembled. Because the grouting page plates are arranged according to a circular ring shape, the curing agent can quickly form a pile after penetrating and curing sand in the page plates through the grout outlet.
Example two:
the embodiment provides a sandy soil rapid solidification grouting pile-forming device which comprises a grouting platform subsystem and an air pressure subsystem;
the air pressure subsystem is used for conveying curing agent slurry to the grouting platform subsystem;
the grouting platform subsystem can be inserted into sandy soil and used for conveying curing agent slurry into the sandy soil for grouting.
The curing agent slurry of the embodiment is a two-component quick-hardening early-strength liquid curing agent, and comprises a curing agent A component slurry and a curing agent B component slurry, wherein the curing agent B component is a liquid quick-hardening early-strength auxiliary agent, has a setting acceleration early-strength excitation effect, is used for preparing quick-hardening early-strength curing soil, and has the advantages of short setting time, high early strength, good fluidity, no need of whole-course paving, strong adaptability to foundation soil and the like.
Specifically, the air pressure subsystem comprises an air compressor 16, a high-pressure air conveying pipe 18, an A seal tank 20 and a B seal tank 21;
the outlet of the air compressor 16 is connected with one end of a high-pressure gas transmission pipe 18; the other end of the high-pressure gas pipe 18 penetrates through the sealing tank to be communicated with the grouting platform subsystem;
the A component slurry of the curing agent is stored in the A sealing tank 20, and the B component slurry of the curing agent is stored in the B sealing tank 21;
the air compressor 16 is communicated with the high-pressure air conveying pipe 18 to respectively convey the component A slurry of the curing agent in the component A sealing tank 20 and the component B slurry in the component B sealing tank 21 to the grouting platform subsystem.
Preferably, the air compressor 16 is provided with a valve 17 for controlling the on/off of the air compressor 16, which is convenient for the operator to control.
Note that the slurry delivery apparatus of this embodiment may be powered by air compressor 16 in a mode that is matched to the mode in which the grouting pump and grouting pipe force the slurry into the grouting platform subsystem.
And the grouting platform subsystem respectively injects the A-component slurry and the B-component slurry into sandy soil, and the A-component slurry and the B-component slurry are mixed in the sandy soil to form a pile in a loose sand soil body quickly.
The grouting platform subsystem comprises a grouting plate page 1 and a grouting guide top box 2.
A plurality of small grouting holes 14 are distributed on the inner side page of the grouting plate page 1, and grouting can be conducted into sandy soil under grouting pressure. The top page of the grouting plate page 1 is provided with a grouting threaded hole 15, and the grouting plate page 1 is communicated with the grouting guide top box 2 through the grouting threaded hole 15 to receive the A-component grout or the B-component grout.
The grouting guide top box 2 comprises a base 3, an upper cover 4, an A grouting guide device and a B grouting guide device, wherein the A grouting guide device is arranged in the box body and used for guiding A component grout into the grouting plate pages 1, and the B grouting guide device is used for guiding B component grout into the grouting plate pages 1.
The embodiment adopts the separated injection, and the two curing agents are respectively injected into respective grouting page plates without mutual interference. And because the two curing agents are not mixed and stirred in the grouting page plate, the curing agents are not solidified into blocks after being mixed, and the curing agent can be quickly cleaned.
Two screw holes 9 and two grouting tap holes 11 are respectively arranged on the upper cover 4.
Two strip screws 8 are welded on the base 3; the length of the strip screw 8 is larger than the height of the grouting guide top box 2, and the top end of the strip screw extends out through the screw hole 9; the strip screw 8 is matched with the corresponding nut 10 through two screw holes 9 on the inner side of the upper cover 4 to be connected with the base 3 and the upper cover 4 in a locking way. Therefore, the connection can ensure the stable connection and is also beneficial to disassembly and cleaning.
Base 3 has welded A to go out thick liquid screw orifice 5 and B to go out thick liquid screw orifice 6 respectively in four corners position punishment, can carry out the slip casting with 1 spiral straining of slip casting board page or leaf, and both ends all need to have the screw about A goes out thick liquid screw orifice 5 and B play thick liquid screw orifice 6, and lower extreme meets slip casting board page or leaf 1, and the upper end needs to be higher than base 3.
The A grouting guide device comprises an A grouting tap 12; each grouting tap (12) A is provided with three interfaces, wherein the upper interface is communicated with a grouting tap hole (11) of the upper cover (4) through threads, and the two interfaces at the lower end are respectively communicated with a grout outlet threaded pipe orifice (5) A through a communicating pipe (7);
the B grouting guide device comprises a B grouting tap 13; each B grouting tap 13 comprises three interfaces, wherein the upper end interface is communicated with a grouting tap hole 11 of the upper cover 4 through threads, and the two lower interfaces are respectively communicated with a B grout outlet threaded pipe orifice 6 through a communicating pipe 7.
A fixing nut is fixedly arranged outside the grouting tap hole 11; the upper end ports of the A grouting tap 12 and the B grouting tap 13 are both provided with threads and are fixed by screwing with fixing nuts.
Preferably, the tail end of the lower part of the grouting plate page 1 is in a knife-cut shape, so that the grouting plate page can conveniently cut into soil.
Preferably, the A-slurry outlet threaded nozzle 5 and the B-slurry outlet threaded nozzle 6 are spaced, so that slurry outlet plates of the A-component slurry and the B-component slurry are spaced. The grout outlet plates of different curing agents of the device of the embodiment are arranged at intervals, so that the grout outlet plates can be mixed in soil conveniently.
The device of the embodiment does not adopt a complete cylinder to circumscribe a sand body of a certain area at the periphery, but utilizes a plurality of page plates which are arranged according to a circle, thereby achieving the same effect.
The grouting page plates of the embodiment are symmetrically arranged, and the page plates injected with the same curing agent are isolated, so that when a sandy soil body in the device is cured, two adjacent curing agents are easier to mix, and the grouting page plates are convenient to fully cure after permeation.
During grouting, the device of the embodiment does not discharge slurry through one device, but discharges slurry by adopting a method that different curing agent component slurries pass through different channels.
Specifically, the communicating pipe 7 can be a rubber pipe or a plastic pipe, is convenient to use and is easy to connect and clean.
The concrete operation steps of the work flow of the sand rapid solidification grouting pile-forming device comprise:
1. assembling the grouting guide device: the a and B slip casting taps 12 and 13, respectively, are screwed into fixing nuts at the slip casting tap holes 11. And then one end of a communicating pipe 7 is respectively connected with an A grouting tap 12 and a B grouting tap 13, the other end of the communicating pipe is connected with an A grout outlet threaded pipe orifice 5 and a B grout outlet threaded pipe orifice 6 of the base 3, and the communicating pipe is screwed and fixed with a corresponding nut 10 on the upper part of the top cover through a long-strip screw 8 in the base 3.
2. Assembling a grouting platform: the grouting plate 1 is respectively connected with a grout outlet threaded pipe opening A5 and a grout outlet threaded pipe opening B6 at the lower part of the base 3 through a grouting threaded hole 15 at the top.
3. The air pressure subsystem part is connected through a high-pressure air pipe and is tightly connected with a grouting tap 12A and a grouting tap 13B at the upper part of the grouting guide device.
In actual operation, the whole grouting platform subsystem is pressed into a sand body to form a cylindrical sand pile with the size (the radius and the size can be adjusted according to actual needs, and the size and the number of the grouting plate pages 1 are changed for adjustment). The two curing agent components A and B are poured into a sealing tank A20 and a sealing tank B21 in advance, pumped into the grouting plate page 1 through an air pressure subsystem, and permeated into the cylindrical sand body in the device by using grouting pressure.
4. And after grouting is finished, taking out the whole grouting platform.
The embodiment also provides a sand fast curing grouting pile-forming method, which is based on the sand fast curing grouting pile-forming device of the embodiment, and comprises the following steps: the slip casting taps are screwed into the fixing nuts at the slip casting tap holes 11, respectively. Then, one end of a communicating pipe is respectively connected with a grouting tap, the other end of the communicating pipe is connected with a grout outlet threaded pipe orifice of the base, and then the communicating pipe is screwed and fixed with a corresponding nut 10 on the upper part of the top cover through a long-strip screw 8 in the base; connecting the grouting plate with a grout outlet threaded pipe orifice at the lower part of the base through a grouting threaded hole at the top; the air pressure subsystem part is connected through a high-pressure air pipe and is tightly connected with a grouting tap at the upper part of the grouting guide device; pressing the whole grouting platform subsystem into a sand body to form a cylindrical sand pile; and after grouting is finished, taking out the whole grouting platform subsystem.
In addition, it should be noted that the embodiment is only for illustration, and only the minimum number of grouting guide devices and grouting plate pages 1 are used for illustration, and in the actual design process, the grouting plate pages 1 and the grouting guide devices can be added as many as possible to adapt to the actual needs without violating the design principle of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature, and in the description of the invention, "plurality" means two or more unless explicitly specifically defined otherwise.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
In the description herein, reference to the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (10)
1. A sand quick solidification slip casting pile-forming device is characterized by comprising a slip casting platform subsystem and an air pressure subsystem;
the air pressure subsystem is used for conveying curing agent slurry to the grouting platform subsystem;
the grouting platform subsystem can be inserted into sandy soil and is used for conveying curing agent slurry into the sandy soil for grouting.
2. The sandy soil rapid solidification grouting pile-forming device as claimed in claim 1, wherein the grouting platform subsystem comprises a grouting guide top box and grouting plate pages symmetrically distributed below the grouting guide top box;
a plurality of small grouting holes are distributed on the inner side page of the grouting plate page, and grouting can be conducted into sandy soil under grouting pressure;
the top page of the grouting plate page is provided with a grouting threaded hole, and the grouting plate page is communicated with the grouting guide top box through the grouting threaded hole to receive curing agent slurry;
the air pressure subsystem comprises an air compressor, a high-pressure air delivery pipe and a sealing tank;
the outlet of the air compressor is connected with one end of the high-pressure gas transmission pipe; the other end of the high-pressure gas pipe penetrates through the sealing tank to be communicated with the grouting platform subsystem;
the curing agent slurry is stored in the sealing tank;
and the air compressor is used for conveying the curing agent slurry in the sealing tank to the grouting platform subsystem through a communicated high-pressure gas conveying pipe.
3. The sandy soil rapid curing grouting pile-forming device as claimed in claim 1, wherein the curing agent slurry is a two-component liquid curing agent, comprising a curing agent A component slurry and a curing agent B component slurry;
the air pressure subsystem comprises an air compressor, a high-pressure air delivery pipe, an A sealing tank and a B sealing tank;
the outlet of the air compressor is connected with one end of the high-pressure gas transmission pipe; the other end of the high-pressure gas pipe penetrates through the sealing tank to be communicated with the grouting platform subsystem;
the A component slurry of the curing agent is stored in the A sealing tank, and the B component slurry of the curing agent is stored in the B sealing tank;
and the air compressor is used for respectively conveying the component A slurry of the curing agent in the component A sealed tank and the component B slurry in the component B sealed tank to the grouting platform subsystem through a communicated high-pressure gas conveying pipe.
4. The sand rapid solidification grouting pile-forming device as claimed in claim 2 or 3, wherein the air compressor is provided with a valve for controlling the start or the stop of the air compressor.
5. The sandy soil rapid solidification grouting pile-forming device as claimed in claim 3, wherein the grouting platform subsystem comprises a grouting guide top box and a plurality of grouting plate pages symmetrically distributed below the grouting guide top box;
a plurality of small grouting holes are distributed on the inner side page of the grouting plate page, and grouting can be conducted into sandy soil under grouting pressure;
the top page of the grouting plate is provided with a grouting threaded hole, and the grouting plate is communicated with the grouting guide top box through the grouting threaded hole to receive the A-component grout or the B-component grout.
6. The sandy soil rapid-curing grouting pile-forming device as claimed in claim 5, wherein the grouting guide top box comprises a base and an upper cover, and an A grouting guide device and a B grouting guide device which are arranged in the box body and are used for guiding A-component grout into the grouting plate pages;
the upper cover is respectively provided with two screw holes and two grouting tap holes;
the base is respectively welded with a grout outlet threaded pipe orifice A and a grout outlet threaded pipe orifice B at four corners, and can be spirally fastened with a grouting plate for grouting; the slurry outlet threaded pipe orifice A and the slurry outlet threaded pipe orifice B exist at intervals;
the A grouting guide device comprises an A grouting tap; each grouting tap A is provided with three interfaces, wherein the upper interface is communicated with a grouting tap hole of the upper cover through threads, and the two interfaces at the lower end are respectively communicated with the grout outlet threaded pipe orifice A through a communicating pipe;
the B grouting guide device comprises a B grouting tap; each B grouting tap comprises three interfaces, wherein the upper interface is communicated with a grouting tap hole of the upper cover through threads, and the two interfaces at the lower end are respectively communicated with the B grout outlet threaded pipe orifice through a communicating pipe.
7. The sandy soil rapid solidification grouting pile-forming device as claimed in claim 6, wherein a fixing nut is fixedly arranged outside the grouting tap hole; and the upper end ports of the grouting tap A and the grouting tap B are respectively provided with a thread and are fixed by screwing with the fixing nut.
8. The sandy soil rapid solidification grouting pile-forming device as claimed in claim 7, wherein a strip screw is welded on the base; the length of the long strip screw is greater than the height of the grouting guide top box, and the top end of the long strip screw extends out of the screw hole; the strip screw is matched with the corresponding nut through two screw holes on the inner side of the upper cover to be connected with the base and the upper cover through lock catches.
9. The device for forming the pile by the quick solidification and grouting of the sandy soil as claimed in claim 2 or 5, wherein the tail end of the lower part of the grouting plate is in a knife-cut shape.
10. The sand rapid solidification grouting pile-forming device according to claim 8, wherein the use method of the pile-forming device comprises the following steps:
the grouting tap is screwed into a fixing nut at the hole of the grouting tap respectively, then one end of a communicating pipe is connected with the grouting tap respectively, the other end of the communicating pipe is connected with a grout outlet threaded pipe opening of the base, and then the grouting tap is screwed and fixed with a corresponding nut at the upper part of the top cover through a long-strip screw in the base;
connecting the grouting plate with a grout outlet threaded pipe orifice at the lower part of the base through a grouting threaded hole at the top;
the air pressure subsystem part is connected through a high-pressure air pipe and is tightly connected with a grouting tap at the upper part of the grouting guide device;
pressing the whole grouting platform subsystem into a sand body to form a cylindrical sand pile;
and after grouting is finished, taking out the whole grouting platform subsystem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111467921.5A CN114045834B (en) | 2021-12-03 | 2021-12-03 | Sand soil rapid solidification slip casting pile forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111467921.5A CN114045834B (en) | 2021-12-03 | 2021-12-03 | Sand soil rapid solidification slip casting pile forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114045834A true CN114045834A (en) | 2022-02-15 |
| CN114045834B CN114045834B (en) | 2023-06-20 |
Family
ID=80212506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111467921.5A Active CN114045834B (en) | 2021-12-03 | 2021-12-03 | Sand soil rapid solidification slip casting pile forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114045834B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH093882A (en) * | 1995-06-20 | 1997-01-07 | Shin Gijutsu Koei Kk | Foundation pile |
| KR20060027442A (en) * | 2004-09-22 | 2006-03-28 | 주식회사 제일종합통상 | The foundation improvement method of construction using high-pressure grout material injection equipment and this |
| JP2008248572A (en) * | 2007-03-30 | 2008-10-16 | Fudo Tetra Corp | Method of improving soil |
| US20100247245A1 (en) * | 2007-12-04 | 2010-09-30 | Sun Guen Lee | Foundation structure using micro pile and method for forming the same |
| US20140314497A1 (en) * | 2013-04-18 | 2014-10-23 | Henan Polytech Infrastructure Rehabilitation LTD. | Polymer grouting method for constructing gravel pile |
| US20140314496A1 (en) * | 2013-04-18 | 2014-10-23 | Henan Polytech Infrastructure Rehabilitation LTD. | Polymer grouting method for constructing multi-wing pile |
| US20170058478A1 (en) * | 2015-08-31 | 2017-03-02 | Keystone Supports, Inc. | System, Method, and Apparatus for Permeation Grouting |
| CN106906821A (en) * | 2017-03-09 | 2017-06-30 | 方祥位 | A kind of microorganism sand pile pile-forming apparatus and method |
| CN108589798A (en) * | 2018-04-02 | 2018-09-28 | 浙江大学 | A kind of large diameter pile foundation wash preventing method and device based on MICP technologies |
| CN211113612U (en) * | 2019-08-28 | 2020-07-28 | 中建隧道建设有限公司 | Steel pipe grouting pile |
| CN111636409A (en) * | 2020-06-22 | 2020-09-08 | 浙大城市学院 | Electroosmosis drainage grouting pipe structure, manufacturing method and application |
| CN211547734U (en) * | 2019-12-23 | 2020-09-22 | 佛山市平石深基坑工程有限公司 | Pre-buried type biliquid slip casting leaking stoppage structure of foundation ditch |
| CN112112573A (en) * | 2020-07-31 | 2020-12-22 | 中国一冶集团有限公司 | Protective cylinder device of full-slewing drilling machine |
| CN112459007A (en) * | 2020-12-14 | 2021-03-09 | 天津大学 | Microbial improved river bank protection device and construction method |
| CN112878301A (en) * | 2021-01-08 | 2021-06-01 | 中国石油化工股份有限公司西北油田分公司 | Pre-soaking dynamic compaction treatment method for desert engineering foundation |
| CN113047294A (en) * | 2021-05-17 | 2021-06-29 | 白求力 | Duplex-pipe type multifunctional grouting device and construction method thereof |
-
2021
- 2021-12-03 CN CN202111467921.5A patent/CN114045834B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH093882A (en) * | 1995-06-20 | 1997-01-07 | Shin Gijutsu Koei Kk | Foundation pile |
| KR20060027442A (en) * | 2004-09-22 | 2006-03-28 | 주식회사 제일종합통상 | The foundation improvement method of construction using high-pressure grout material injection equipment and this |
| JP2008248572A (en) * | 2007-03-30 | 2008-10-16 | Fudo Tetra Corp | Method of improving soil |
| US20100247245A1 (en) * | 2007-12-04 | 2010-09-30 | Sun Guen Lee | Foundation structure using micro pile and method for forming the same |
| US20140314497A1 (en) * | 2013-04-18 | 2014-10-23 | Henan Polytech Infrastructure Rehabilitation LTD. | Polymer grouting method for constructing gravel pile |
| US20140314496A1 (en) * | 2013-04-18 | 2014-10-23 | Henan Polytech Infrastructure Rehabilitation LTD. | Polymer grouting method for constructing multi-wing pile |
| US20170058478A1 (en) * | 2015-08-31 | 2017-03-02 | Keystone Supports, Inc. | System, Method, and Apparatus for Permeation Grouting |
| CN106906821A (en) * | 2017-03-09 | 2017-06-30 | 方祥位 | A kind of microorganism sand pile pile-forming apparatus and method |
| CN108589798A (en) * | 2018-04-02 | 2018-09-28 | 浙江大学 | A kind of large diameter pile foundation wash preventing method and device based on MICP technologies |
| CN211113612U (en) * | 2019-08-28 | 2020-07-28 | 中建隧道建设有限公司 | Steel pipe grouting pile |
| CN211547734U (en) * | 2019-12-23 | 2020-09-22 | 佛山市平石深基坑工程有限公司 | Pre-buried type biliquid slip casting leaking stoppage structure of foundation ditch |
| CN111636409A (en) * | 2020-06-22 | 2020-09-08 | 浙大城市学院 | Electroosmosis drainage grouting pipe structure, manufacturing method and application |
| CN112112573A (en) * | 2020-07-31 | 2020-12-22 | 中国一冶集团有限公司 | Protective cylinder device of full-slewing drilling machine |
| CN112459007A (en) * | 2020-12-14 | 2021-03-09 | 天津大学 | Microbial improved river bank protection device and construction method |
| CN112878301A (en) * | 2021-01-08 | 2021-06-01 | 中国石油化工股份有限公司西北油田分公司 | Pre-soaking dynamic compaction treatment method for desert engineering foundation |
| CN113047294A (en) * | 2021-05-17 | 2021-06-29 | 白求力 | Duplex-pipe type multifunctional grouting device and construction method thereof |
Non-Patent Citations (4)
| Title |
|---|
| TAN, YIZHONG: "《Experimental Study of the Dynamic Mechanical Properties of High-Performance Equal-Sized–Aggregate Concrete》", 《JOURNAL OF MATERIALS IN CIVIL ENGINEERING》, vol. 33, no. 2, pages 1 - 13 * |
| 山西建筑工程（集体）总公司: "《地基与基础工程施工标准》", 31 January 2007, 山西科学技术出版社, pages: 92 * |
| 杨伟军;周洁;陈维超;: "砂土介质后注浆原理室内模拟试验研究", 福建建材, no. 04 * |
| 莫家权等: "《钙质砂地基注浆加固研究现状》", 《中国水运》, vol. 20, no. 11, pages 152 - 153 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114045834B (en) | 2023-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201068543Y (en) | Concrete break plate mending and grouting apparatus | |
| CN204800848U (en) | Construction concrete mixing bucket | |
| CN104131564B (en) | Vibroflotation powder sprays the stake technique processed of broken stone pile and its stake vibroflotation equipment processed | |
| CN102518009B (en) | Pouring engineering method for self-leveling concrete type filling mortar of track slab | |
| RU2362674C1 (en) | Mobile installation for cementing oil or gas wells | |
| CN203321540U (en) | Multifunctional mining long-distance wet spraying machine with automatic proportioning | |
| CN201225010Y (en) | Ultra-high steel tube concrete column construction production line | |
| CN114045834A (en) | Sand soil fast curing grouting pile forming device | |
| CN208183452U (en) | Glue injection equipment for the regulation of ballastless track structure interlayer off-seam | |
| CN107975350A (en) | One kind bores plug pump note implement | |
| CN115466027B (en) | Waste mud vacuum-flocculation-curing integrated machine device and use method thereof | |
| CN207727583U (en) | A kind of pile foundation concrete conveyer | |
| CN207794626U (en) | A kind of building concrete conveying device | |
| CN215589549U (en) | Building construction is plastered wall and is used cement mixing device | |
| CN210766733U (en) | Double-component high-pressure filling equipment with cleaning function | |
| CN205997166U (en) | A kind of concrete mixing plant underground type concrete drums | |
| CN112502157B (en) | Grouting device for foundation treatment and using method thereof | |
| CN203594034U (en) | Pile-making vibrofluctuation device for vibrofluctuation powder-sprayed gravel pile | |
| CN103244072B (en) | Bifunctional hydraulic grouting pump | |
| JP3165579U (en) | High pressure fluid combined sheet pile penetration assist device | |
| CN216442768U (en) | Automatic aerated brick spraying and maintaining device | |
| CN214657034U (en) | Concrete injection device | |
| CN214184584U (en) | A normal position restoration structure for heavy metal pollution place | |
| CN209552148U (en) | A kind of movable tank anti-clogging agitating device | |
| CN217480834U (en) | Prestressed duct grouting material blanking device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tan Yizhong Inventor after: Ma Linjian Inventor after: Duan Liqun Inventor after: Li Zeng Inventor after: Zhao Yuetang Inventor after: Xiong Ziming Inventor after: Liu Huachao Inventor after: Liu Jicheng Inventor after: Ma Peifeng Inventor before: Tan Yizhong Inventor before: Ma Peifeng Inventor before: Ma Linjian Inventor before: Liu Feng Inventor before: Duan Liqun Inventor before: Li Zeng Inventor before: Zhao Yuetang Inventor before: Xiong Ziming Inventor before: Liu Huachao Inventor before: Liu Jicheng |