CN113897943A - Device and method for treating soft soil foundation through electroosmosis combined grouting - Google Patents
Device and method for treating soft soil foundation through electroosmosis combined grouting Download PDFInfo
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- CN113897943A CN113897943A CN202111345862.4A CN202111345862A CN113897943A CN 113897943 A CN113897943 A CN 113897943A CN 202111345862 A CN202111345862 A CN 202111345862A CN 113897943 A CN113897943 A CN 113897943A
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- 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
- E02D3/11—Improving or preserving soil or rock, e.g. preserving permafrost soil by thermal, electrical or electro-chemical means
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Abstract
The invention discloses an electroosmosis combined grouting soft soil foundation treatment device which comprises a shell, wherein the left end and the right end of the shell are provided with feed ports and are respectively provided with a baffle plate, the feed ports are connected with the shell through a rotating shaft and are opened towards the outside of the shell to form a transmission channel, two sides of each baffle plate are symmetrically provided with an installation chamber, a guide wheel is arranged along the extension direction of a side edge, the bottom of a movable frame is provided with a rectangular window, the upper part of the movable frame is provided with a placing plate, and a plate electrode is inserted in the placing plate; a discharge port is formed in the lower end of the shell, two rotating rollers are arranged above the discharge port in parallel, an inclined plate is arranged above the driving roller, and the fallen electrode plate is guided to the middle of the rotating rollers; the front ends of the electrode plates are provided with electrode plates, two adjacent electrode plates which fall are spliced at the transmission roller, and are pressed to the convex blocks by the transmission roller to be clamped with the bayonets; also discloses a method for treating the soft soil foundation by electroosmosis combined grouting. The invention can make several electrode plates reach any length after combining when placing the electrode plates, thereby increasing the depth of the electroosmosis treatment soft soil foundation.
Description
Technical Field
The invention relates to soft soil foundation treatment equipment, in particular to a device and a method for treating a soft soil foundation by electroosmosis combined grouting.
Background
The electroosmosis method applies direct current to electrodes inserted into soil bodies to accelerate drainage consolidation of the soil bodies and improve the soil strength, and the foundation treatment method of which the drainage efficiency is irrelevant to the size of soil particles is considered to be a promising method for treating fine-grained soil with high water content and low permeability. However, the following problems still exist in the current method: uneven soil body reinforcement of the anode and the cathode and poor deep soil body treatment effect.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects of the background art, the invention discloses a device for treating soft soil foundation by electroosmosis combined grouting; the second purpose is to disclose a method for treating the soft soil foundation by adopting the electroosmosis combined grouting treatment soft soil foundation device to carry out electroosmosis combined grouting treatment.
The technical scheme is as follows: the invention discloses an electroosmosis combined grouting soft soil foundation treatment device which comprises a shell, wherein the left end and the right end of the shell are provided with feed ports and are respectively provided with a baffle, the lower side of the baffle is connected with the shell through a rotating shaft and respectively rotates towards the outside of the shell to be opened to form a transmission channel, the two sides of the transmission channel on the upper surface of the baffle are symmetrically provided with installation chambers, the installation chambers are provided with a plurality of guide wheels along the extending direction of the side edges, the upper ends of the guide wheels are respectively fixed with a second chain gear, the mounting chamber is also internally provided with a second motor, the output end of the second motor is connected with the second chain gear through a chain for transmission, the baffle plate is provided with a movable frame, extrusion transmission is formed between the movable frame and the guide wheels on the two sides, a plurality of penetrating rectangular windows are arranged at the bottom of the movable frame, placing plates are arranged at the upper part of the movable frame corresponding to the rectangular window, and an electrode plate is inserted into each placing plate;
the lower end of the shell is provided with a discharge port, two rotating rollers are arranged above the discharge port in parallel, the tail ends of the rotating rollers are respectively provided with a first chain gear which is meshed with each other, one first chain gear is driven by the output of a first motor to further drive the rotating rollers to rotate relatively from top to bottom, an inclined plate is arranged above the transmission roller, the upper end of the inclined plate is connected with the transmission tail end of the baffle plate, and the fallen electrode plate is guided to the middle of the rotating rollers;
the utility model discloses a set of electrode plate, including plate electrode, plate electrode front end, transmission roller, the lower extreme symmetry of plate electrode is equipped with the fixed card strip, the protruding piece that corresponds with the bayonet socket is equipped with to the plate electrode front end, the plate electrode front end is equipped with a plurality of bayonet sockets, the lower extreme symmetry of plate electrode is equipped with the fixed card strip, the inside protruding piece that corresponds with the bayonet socket that is equipped with of fixed card strip, two adjacent plate electrodes that drop form the concatenation in transmission roller department to by transmission roller to protruding piece and bayonet socket joint, the extension to the plate electrode is in order to satisfy deep soil treatment's demand when realizing the plate electrode and placing.
Furthermore, a plurality of electric push rods are arranged at the bottom of the shell and are respectively connected with the movable wheels.
Furthermore, a limiting groove convenient for transmission is formed in the bottom of the mounting chamber corresponding to the movable frame, and a guide plate is arranged in the shell corresponding to the transmission channel and is in butt joint with the limiting groove.
Furthermore, the rotating rollers are all sleeved with rubber sleeves.
Furthermore, the tail ends of the inclined plates are symmetrically provided with limiting rods, and the distance between the limiting rods is the same as the width of the electrode plate.
Furthermore, a plurality of first supports are fixed on two sides of the discharge port, the first supports extend upwards, rollers are fixed below the rotating rollers, and the rollers on two sides perform auxiliary clamping on the electrode plate below the rotating rollers.
Furthermore, a copper sheet is arranged in the bayonet, and the electrode plate is connected with the copper sheet in the bayonet through a lead.
Furthermore, a guide clamping plate which is approximately contracted and is convenient for discharging is arranged below the discharge hole.
The method for treating the soft soil foundation by adopting the electroosmosis combined grouting soft soil foundation treatment device comprises the following steps:
s1, firstly, drilling holes on the ground by using drilling equipment, wherein the number of the holes is at least three;
s2: adding an electrode plate into the hole by using the device;
s3: then grouting the holes;
s4: connecting the electrode plate with an electrode interface after grouting, wherein the electrodes of the electrode plate in the holes are ensured to be in a positive and negative staggered state during connection;
s5: and finally, pumping water from the holes of the cathode by using a water pump, and pumping out all the water in the holes where the cathode is located.
Has the advantages that: compared with the prior art, the invention has the advantages that: when the device is used for placing the electrode plates, the electrode plates can reach any length after being combined, so that the depth of the electroosmosis treatment soft soil foundation is increased; when the method is implemented, after the electrode plate is connected with the electrode interface, the electrode plate can carry out electroosmosis on grouting in the hole, under the action of current, injected grouting liquid can carry out ion exchange and cementing hardening to generate gel substances, fill pores of a soil body and cement clay particles, so that the aim of improving the strength of the soil body is fulfilled, meanwhile, water in the anode soil body can flow to the cathode, and finally, water in the hole provided with the cathode electrode plate is pumped out through the water pump, so that the problems that the soil body around the anode is cracked and settled greatly, and the water content of the soil body around the cathode is overhigh to cause lower bearing capacity are solved, and the soil body strengthening treatment effect is more uniform; when in use, the electrode plate is directly left in the hole, so that the tightness degree of the solidified grouting liquid in the hole can be increased, and the trouble caused by recycling the electrode plate can be reduced, thereby shortening the electroosmosis treatment time and reducing the construction cost.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is an external view of the apparatus of the present invention;
FIG. 3 is an internal structural view of the housing of the present invention;
FIG. 4 is a schematic diagram of a moving frame structure according to the present invention;
FIG. 5 is a schematic structural view of a baffle of the present invention;
FIG. 6 is a connection view of the movable frame and the placement board according to the present invention;
FIG. 7 is a schematic view of an electrode plate of the present invention;
FIG. 8 is an enlarged view of FIG. 7A;
FIG. 9 is an enlarged view of FIG. 7B;
FIG. 10 is an enlarged view of FIG. 3C;
fig. 11 is a diagram of the state of use of the device of the present invention.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
The electroosmosis combined grouting soft soil foundation treatment device shown in fig. 1-10 comprises a shell 1, wherein feed ports 4 are formed at the left end and the right end of the shell 1, baffles 5 are respectively arranged at the left end and the right end of the shell, the lower sides of the baffles 5 are connected with the shell 1 through rotating shafts and are respectively rotated and opened towards the outside of the shell to form transmission channels, installation chambers are symmetrically arranged at two sides of the transmission channels on the upper surface of the baffles 5, a plurality of guide wheels 501 are arranged in the installation chambers along the extending direction of the side edges, second chain gears 502 are fixed at the upper ends of the guide wheels 501, a second motor 503 is further arranged in each installation chamber, the output end of the second motor 503 is in chain connection transmission with the second chain gears 502, a movable frame 6 is arranged on each baffle 5 and forms extrusion transmission with the guide wheels 501 at two sides, a plurality of penetrating rectangular windows 600 are formed in the bottom of the movable frame 6, and a placing plate 601 is arranged at the position, corresponding to the rectangular windows 600, at the upper part of the movable frame 6, an electrode plate 7 is inserted into each placing plate 601, and the electrode plate 7 is slidably connected with the placing plate 601.
The outside cover of second chain gear 502 is equipped with protective cover plate 500, and protective cover plate 500 can protect second chain gear 502, avoids second chain gear 502 to damage.
A discharge port 104 is arranged at the lower end of the shell 1, two rotating rollers 106 are arranged above the discharge port 104 in parallel, the tail ends of the rotating rollers 106 are respectively provided with a first chain gear 110 which is meshed with each other, one first chain gear 110 is driven by the output of a first motor 109 to further drive the rotating rollers 106 to rotate relatively from top to bottom, an inclined plate 108 is arranged above the driving roller 106, the upper end of the inclined plate 108 is connected with the transmission tail end of the baffle 5, and the fallen electrode plate 7 is guided to the middle of the rotating rollers 106;
the electrode plate 7 front end is equipped with the electrode slice, electrode plate 7 front end is equipped with a plurality of bayonets 700, the lower extreme symmetry of electrode plate 7 is equipped with fixing clip strip 701, fixing clip strip 701 is inside to be equipped with the protruding piece 702 that corresponds with bayonet 700, and two adjacent electrode plates 7 that drop form the concatenation in driving roller 106 department to press to protruding piece 702 and bayonet 700 joint by driving roller 106, realize the extension of electrode plate when electrode plate 7 is placed in order to satisfy the demand of deep soil processing.
The bottom of the shell 1 is provided with a plurality of electric push rods 3 which are respectively connected with the movable wheels 2, so that the shell 1 can be conveniently moved.
The installation chamber is provided with a limiting groove 504 corresponding to the bottom of the movable frame 6 for facilitating transmission, and a guide plate 101 is arranged in the shell 1 corresponding to the transmission channel and is in butt joint with the limiting groove 504 for facilitating transmission of the movable frame 6.
The rotating rollers 106 are all sleeved with rubber sleeves 107, which is beneficial to clamping the electrode plate 7.
The terminal symmetry of hang plate 108 is equipped with the gag lever post, distance between the gag lever post is the same with the width of plate electrode 7, the accurate location of the plate electrode of being convenient for.
A plurality of first brackets 111 are fixed on both sides of the discharge hole 104, the first brackets 111 extend upwards, rollers 112 are fixed below the rotating rollers 106, and the rollers 112 on both sides perform auxiliary clamping on the electrode plate 7 below the rotating rollers 106.
A copper sheet is arranged in the bayonet 700, and the electrode plate is connected with the copper sheet in the bayonet 700 through a lead.
A guide clamping plate 105 which is approximately small in shrinkage and facilitates discharging is arranged below the discharge hole 104, and the guide clamping plate 105 is detachably designed.
The inner bottom end of the shell 1 is fixedly connected with a power supply 102, the outer sleeve of the power supply 102 is provided with a damping frame 103, and the inner top end of the shell 1 is fixedly connected with a transformer 100. The lower extreme of shell 1 is located the equal fixedly connected with draw-in groove in both ends about discharge gate 104, and the draw-in groove sets up to "T" shape, and the upper end of direction splint 105 all is equipped with to establish to "T" shape, and the lower extreme right side fixedly connected with standing groove of shell 1 can be followed the lower extreme of discharge gate 104 and pulled down when direction splint 105 does not use and put the standing groove in and save.
The method for treating the soft soil foundation by adopting the electroosmosis combined grouting soft soil foundation treatment device comprises the following steps:
s1, firstly, drilling holes on the ground by using drilling equipment, wherein the number of the holes is at least three;
s2: adding an electrode plate into the hole by using the device;
s3: then grouting the holes;
s4: connecting the electrode plate with an electrode interface after grouting, wherein the electrodes of the electrode plate in the holes are ensured to be in a positive and negative staggered state during connection;
s5: and finally, pumping water from the holes of the cathode by using a water pump, and pumping out all the water in the holes where the cathode is located.
Specifically, as shown in fig. 11, a drilling device is used to drill a hole on the ground to be processed, the device is pushed to a designated position after the hole is drilled, so that the discharge hole 104 is aligned with the hole on the ground (the baffle plates 5 at the left and right ends of the housing 1 are rotated by ninety degrees while the hole is drilled, then the electrode plate 7 is inserted into the placing plate 601), then the first motor 109 and the second motor 503 on the left feeding device are started (the right feeding device is standby, when the electrode plate 7 in the moving frame 6 on the left feeding device is not enough, the moving frame 6 on the right feeding device can be directly taken down and installed on the left feeding device), the first motor 109 can drive the rotating roller 106 to rotate after being started, the second motor 503 can drive the guide wheels 501 to rotate when being started, the guide wheels 501 can drive the moving frame 6 to move towards the inside of the housing 1, the moving frame 6 can be inserted into the guide plates 101 when moving towards the housing 1, with the continuous rotation of the second motor 503, the moving frame 6 will eventually move out from the right side of the housing 1, when the moving frame 6 moves into the housing 1, the rightmost electrode plate 7 on the moving frame 6 will drop downward, when the electrode plate 7 drops, it will first drop onto the inclined plate 108, then, with the continuous movement of the moving frame 6, it will gradually move between the rotating rollers 106, when the lower end of the electrode plate 7 is separated from the inclined plate 108, it will drop between the two rotating rollers 106, after the electrode plate 7 drops between the rotating rollers 106, it will move towards the direction of the discharge opening 104 under the action of the rotating rollers 106, when the topmost end of the electrode plate 7 dropped between the rotating rollers 106 is lower than the limiting rod at the right end of the inclined plate 108, the second electrode plate 7 will just leave the inclined plate 108 and drop between the two rotating rollers 106 (by controlling the rotation speeds of the first motor 109 and the second motor 503, it can control the dropping speed of the electrode plate 7 and the speed of leaving the inclined plate 108), when the second electrode plate 7 falls, the fixing clamping strip 701 is sleeved on the first electrode plate 7 under the action of the limiting rod, when the joint of the first electrode plate 7 and the second electrode plate 7 passes through the rotating roller 106, the fixing clamping strip 701 is extruded by the rotating roller 106, when the fixing clamping strip 701 is extruded, the convex block 702 is clamped in the bayonet 700, so that the two electrode plates 7 are connected, when the electrode plate 7 comes out from the lower ends of the two rotating rollers 106, the electrode plate 7 enters between the rollers 112, the electrode plate 7 can be more stable when falling through the rollers 112, by the way until the length of the electrode plate 7 is the same as the depth of the holes on the ground, the holes punched on the ground are filled with the electrode plates 7 in a reciprocating manner, then the holes are grouted, finally the electrode plate 7 is connected with the electrode interface on the shell 1, and the electrode plates 7 in the holes are kept in a state of alternating positive and negative poles during connection, when the electrode plate 7 is connected with the electrode interface, the electrode plate 7 can carry out electroosmosis on the soil body, injected grouting liquid can carry out ion exchange and cementation hardening under the action of direct current to generate gel substances to fill pores of the soil body and cement clay particles, so that the aim of improving the strength of the soil body is fulfilled, meanwhile, water in the anode soil body can flow to a cathode, and finally, water in the pores provided with the cathode electrode plate 7 is pumped out through a water pump.
Claims (9)
1. The utility model provides a soft soil foundation device is handled in grout jointly to electroosmosis, includes shell (1), its characterized in that: the feeding openings (4) are formed in the left end and the right end of the shell (1) and are respectively provided with a baffle (5), the lower side of each baffle (5) is connected with the shell (1) through a rotating shaft and is respectively rotated and opened outside the shell to form a transmission channel, mounting chambers are symmetrically arranged on two sides of the transmission channel on the upper surface of each baffle (5), a plurality of guide wheels (501) are arranged in the mounting chambers along the extending direction of the side edges, second chain gears (502) are fixed at the upper ends of the guide wheels (501), a second motor (503) is further arranged in each mounting chamber, the output end of the second motor (503) is in chain connection transmission with the second chain gears (502), a movable frame (6) is arranged on each baffle (5) and forms extrusion transmission with the guide wheels (501) on the two sides, a plurality of penetrating rectangular windows (600) are formed in the bottom of the movable frame (6), and a placing plate (601) is arranged on the upper portion of the movable frame (6) corresponding to the rectangular windows (600), an electrode plate (7) is inserted in each placing plate (601);
a discharge port (104) is formed in the lower end of the shell (1), two rotating rollers (106) are arranged above the discharge port (104) in parallel, first chain gears (110) which are meshed with each other are arranged at the tail ends of the rotating rollers (106), one first chain gear (110) is driven by the output of a first motor (109) to further drive the rotating rollers (106) to rotate relatively from top to bottom, an inclined plate (108) is arranged above the driving roller (106), the upper end of the inclined plate (108) is connected with the transmission tail end of the baffle (5), and the fallen electrode plate (7) is guided to the middle of the rotating rollers (106);
the utility model discloses a portable electronic device, including plate electrode (7), plate electrode (7) front end, fixed card strip (701) are equipped with to the lower extreme symmetry of plate electrode (7), the protruding piece (702) that correspond with bayonet socket (700) are equipped with to plate electrode (7) front end, the lower extreme symmetry of plate electrode (7) is equipped with fixed card strip (701), fixed card strip (701) inside is equipped with protruding piece (702) that correspond with bayonet socket (700), and two plate electrodes (7) that adjacent dropped locate to form the concatenation at driving roller (106) to press protruding piece (702) and bayonet socket (700) joint by driving roller (106), realize plate electrode (7) when placing the extension of plate electrode in order to satisfy the demand of deep soil treatment.
2. An electroosmotic combined grouting soft soil foundation treatment device according to claim 1, wherein: the bottom of the shell (1) is provided with a plurality of electric push rods (3) which are respectively connected with the movable wheels (2).
3. An electroosmotic combined grouting soft soil foundation treatment device according to claim 1, wherein: the bottom position of the installation chamber corresponding to the movable frame (6) is provided with a limiting groove (504) convenient for transmission, and a guide plate (101) is arranged in the shell (1) corresponding to the transmission channel and is in butt joint with the limiting groove (504).
4. An electroosmotic combined grouting soft soil foundation treatment device according to claim 1, wherein: and rubber sleeves (107) are sleeved on the rotating rollers (106).
5. An electroosmotic combined grouting soft soil foundation treatment device according to claim 1, wherein: the tail ends of the inclined plates (108) are symmetrically provided with limiting rods, and the distance between the limiting rods is the same as the width of the electrode plate (7).
6. An electroosmotic combined grouting soft soil foundation treatment device according to claim 1, wherein: a plurality of first supports (111) are fixed on two sides of the discharge port (104), the first supports (111) extend upwards, rollers (112) are fixed below the rotating roller (106), and the rollers (112) on the two sides perform auxiliary clamping on the electrode plate (7) below the rotating roller (106).
7. An electroosmotic combined grouting soft soil foundation treatment device according to claim 1, wherein: a copper sheet is arranged in the bayonet (700), and the electrode plate is connected with the copper sheet in the bayonet (700) through a lead.
8. An electroosmotic combined grouting soft soil foundation treatment device according to claim 1, wherein: a guide clamping plate (105) which is approximately contracted slightly and is convenient for discharging is arranged below the discharge hole (104).
9. A method for treating a soft soil foundation by electroosmotic joint grouting using the apparatus for treating a soft soil foundation by electroosmotic joint grouting according to any one of claims 1 to 8, comprising the steps of:
s1, firstly, drilling holes on the ground by using drilling equipment, wherein the number of the holes is at least three;
s2: adding an electrode plate into the hole by using the device;
s3: then grouting the holes;
s4: connecting the electrode plate with an electrode interface after grouting, wherein the electrodes of the electrode plate in the holes are ensured to be in a positive and negative staggered state during connection;
s5: and finally, pumping water from the holes of the cathode by using a water pump, and pumping out all the water in the holes where the cathode is located.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111345862.4A CN113897943B (en) | 2021-11-15 | 2021-11-15 | Device and method for treating soft soil foundation through electroosmosis combined grouting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111345862.4A CN113897943B (en) | 2021-11-15 | 2021-11-15 | Device and method for treating soft soil foundation through electroosmosis combined grouting |
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| CN113897943A true CN113897943A (en) | 2022-01-07 |
| CN113897943B CN113897943B (en) | 2022-07-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114396095A (en) * | 2022-02-22 | 2022-04-26 | 郑州航空工业管理学院 | Underground engineering retaining wall builds structure fast |
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