CN113235632A - Open caisson sinking device capable of automatically correcting deviation in real time and construction method - Google Patents
Open caisson sinking device capable of automatically correcting deviation in real time and construction method Download PDFInfo
- Publication number
- CN113235632A CN113235632A CN202110398579.1A CN202110398579A CN113235632A CN 113235632 A CN113235632 A CN 113235632A CN 202110398579 A CN202110398579 A CN 202110398579A CN 113235632 A CN113235632 A CN 113235632A
- Authority
- CN
- China
- Prior art keywords
- slurry
- open caisson
- mud
- sinking
- pressure
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 108
- 239000002002 slurry Substances 0.000 claims abstract description 92
- 239000002689 soil Substances 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000005086 pumping Methods 0.000 claims description 52
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 description 6
- 238000007599 discharging Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 102000001999 Transcription Factor Pit-1 Human genes 0.000 description 1
- 108010040742 Transcription Factor Pit-1 Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an open caisson sinking device capable of automatically correcting deviation in real time and a construction method. The device comprises a high-pressure soil cutting system, a slurry balance system, an inclination tester and an above-ground operating platform. The automatic deviation rectifying sinking device of the open caisson is embedded with the bottom section open caisson together through the electromagnet embedded columns, and the automatic control system is used for operating the high-pressure water pump, the mud pump, the telescopic support columns, the water valves, the submersible electric mud cutting blades and the high-pressure water nozzles. The vertical position of the device is adjusted by the crawler belt at the position where the electromagnets are embedded with the piles. The invention monitors the sinking form of the open caisson in the sinking process in real time through the inclination tester, and automatically adjusts the soil cutting pressure of each nozzle of the high-pressure soil cutting system and the weight of the mud pit according to the monitoring data, thereby achieving the purpose of automatically rectifying the sinking of the open caisson.
Description
Technical Field
The invention belongs to the technical field of geotechnical engineering, and relates to an open caisson sinking device capable of automatically correcting deviation in real time and a construction method.
Background
The open caisson is used as a structure of an underground space structure or a deep foundation of a high-rise building or a deep foundation pit support, has specific engineering application conditions and is suitable for soft soil foundations. However, due to loose soft soil geology and poor stability, accidents such as sudden sinking, excessive sinking, center deviation, plane rotation, soil gushing in a well and the like are easy to happen during construction.
At present, the open caisson adopts a manual earth digging method and a drainage sinking method. The manual soil digging method has low efficiency, can not ensure that the open caisson can sink stably, and can cause the accidents of inclination and the like of the open caisson if the operation is improper. The existing open caisson deviation rectifying methods are two, and by adopting the open caisson sinking by drainage, manual or mechanical soil removal can be carried out on the side with the high edge foot of the open caisson, a wider soil dike is reserved on the side with the low edge foot, or sand and stone are properly backfilled. The open caisson which sinks without draining water is adopted, generally, mud can be sucked or soil can be grabbed at the side close to the height of the cutting edge, and if necessary, a diver can cooperate to remove the soil under the cutting edge. The sinking condition of the open caisson cannot be monitored in real time, manual measurement is needed, manpower is consumed, and all conditions in the sinking process of the open caisson cannot be accurately known in real time.
Disclosure of Invention
The invention aims to improve the sinking uniformity and stability of an open caisson in geotechnical engineering, reduce the problems of inclination, over-quick sinking and the like of the open caisson, and provides an open caisson sinking device and a construction method capable of automatically correcting deviation in real time.
In order to achieve the technical purpose, the invention is achieved by the following technical means:
an open caisson sinking device capable of automatically correcting deviation in real time comprises:
the device comprises a plurality of high-pressure soil cutting pipes, a high-pressure water pump, a high-pressure water nozzle, a submersible electric mud cutting blade and a high-pressure water pipe unit, wherein the high-pressure soil cutting pipes are symmetrically arranged on the periphery of the device by taking the central axis of the device as a center;
the mud pit is arranged at the upper part of an internal cavity formed by enclosing the high-pressure soil cutting pipes and is fixedly connected with the pipe walls of the high-pressure soil cutting pipes;
one end of the first slurry pumping pipe is connected with a first slurry pumping pump arranged in the slurry tank, and the other end of the first slurry pumping pipe extends downwards;
a water storage tank is formed by an inner cavity enclosed by the plurality of mud tanks, and the high-pressure water pump is arranged in the water storage tank;
the high-pressure water nozzles wash soil and the submersible electric mud cutting blades cut soil to convert soil in the open caisson into slurry under the combined action of the soil washing and the soil cutting;
the first slurry pumping pipe pumps slurry into the slurry tank, so that the self weight of the device is increased, and the sinking of the open caisson is assisted;
the self-supporting platform is arranged on the outer wall of the high-pressure soil cutting pipe and is used for increasing the connection between the device and soil;
the inclination detector is used for monitoring the sinking state of the whole device in real time;
and the signal input end of the ground control platform is connected with the inclination monitor, and the signal output end of the ground control platform is connected with the high-pressure water pump, the submersible electric mud cutting blade and the first mud pumping pump.
The mud pump also comprises a mud discharging pipe, and the mud discharging pipe is used for pumping mud in the mud tank out of the mud tank.
The mud pit includes a plurality ofly, and a plurality of mud pits use the axis of device as central symmetry setting.
The wall of the reservoir connected with the mud tank is communicated through a mud filter screen; a one-way water pump for pumping water in the mud pit to the reservoir is arranged in the reservoir.
The mud pump device is characterized by further comprising an adjusting water tank which is arranged at the center of the top of the whole device, the adjusting water tank is connected with the mud tank through a second mud pumping pipe, a second mud pumping pump is arranged in the adjusting water tank, and the second mud pumping pipe is connected with an electromagnetic valve.
And a check valve for preventing mud from flowing back is arranged in the slurry pumping pipe.
An air bag is arranged on the outer side of the upper part of the mud pit on the device.
The self-supporting platform comprises a platform main body, wherein a telescopic supporting column which can stretch out and draw back to the outer side of the platform main body is arranged in the platform main body, and the telescopic supporting column adopts an electric telescopic cylinder structure.
The high-pressure water nozzle adopts a high-pressure water self-rotating nozzle.
The invention further discloses an open caisson sinking method capable of automatically correcting deviation in real time, which depends on a set of sinking device, and the device comprises: the device comprises a plurality of high-pressure soil cutting pipes, a high-pressure water pump, a high-pressure water nozzle, a submersible electric mud cutting blade and a high-pressure water pipe unit, wherein the high-pressure soil cutting pipes are symmetrically arranged on the periphery of the device by taking the central axis of the device as a center; the mud pit is arranged at the upper part of an internal cavity formed by enclosing the high-pressure soil cutting pipes and is fixedly connected with the pipe walls of the high-pressure soil cutting pipes;
one end of the first slurry pumping pipe is connected with a first slurry pumping pump arranged in the slurry tank, and the other end of the first slurry pumping pipe extends downwards;
a water storage tank is formed by an inner cavity enclosed by the plurality of mud tanks, and the high-pressure water pump is arranged in the water storage tank;
the self-supporting platform is arranged on the outer wall of the high-pressure soil cutting pipe and is used for increasing the connection between the device and soil;
the inclination detector is used for monitoring the sinking state of the whole device in real time;
the ground control platform is characterized in that a signal input end of the ground control platform is connected with the inclination monitor, a signal output end of the ground control platform is connected with the high-pressure water pump, the submersible electric mud cutting blade and the first mud pumping pump, and the ground control platform comprises the following construction steps:
(a) installing a bottom section open caisson;
the device and the bottom section open caisson are embedded together through the electromagnet embedded piles, a strip-shaped steel crawler belt which is vertically arranged is arranged between the inner wall of the pile of the electromagnet embedded pile and the outer wall of the high-pressure soil cutting pipe, and the vertical position of the device is adjusted through the strip-shaped steel crawler belt;
(b) opening an above-ground platform 23, and fully storing the reservoir 1 through a water injection port 24;
(c) the submersible electric mud cutting blade 10 and the high-pressure water pump are opened, the parameters of the high-pressure water nozzles 12 are input, the sinking form of the sinking well in the sinking process is monitored in real time according to the actual soil condition and the inclination tester 22, the water jetting pressure of each high-pressure water nozzle and the rotating speed of the submersible electric mud cutting blade are automatically adjusted by the ground platform 23 through controlling the water delivery rate of the high-pressure water pump
(d) After the slurry pumping pipe 13 is inserted into slurry, the first slurry pumping pump 4 is opened, then the slurry discharge pipe 15 at the upper part of the slurry pool, the second slurry pumping pump in the transition pool 5 and the one-way water pump 9 are opened, and the slurry conveying speed of the slurry pumping pipe 13 and the slurry discharge speed of the slurry discharge pipe 15 are automatically adjusted by the data reflected by the pressure sensor 21 at the bottom of the slurry pool by the above-ground platform 23;
(e) when the bottom section open caisson sinks to the designed height, closing the high-pressure water nozzle 12, the high-pressure water pump 3 and the submersible electric mud cutting blade 10;
(f) the vertical position of the device is adjusted by a crawler belt at the position where the electromagnet embedded pile 18 is embedded, the generated slurry is completely pumped into the slurry pool 2, the slurry is pumped out of the slurry pool 2 through a slurry discharge pipe 15 at the upper part of the slurry pool, a telescopic supporting column 20 extends out and is inserted into the soil, and the device is closed;
(g) building a second section of open caisson, after the building is finished, re-opening the device, withdrawing the telescopic support columns 20, adjusting the vertical position of the device by embedding the tracks at the piles 18 by the electromagnets, and repeating the method to settle the open caisson; constructing a second section of open caisson and taking out the open caisson device after the second section of open caisson device is not taken out, taking out the open caisson device after the open caisson is completely constructed, after the second section of open caisson is constructed, sinking the bottom section of open caisson for a certain distance possibly due to the fact that the pressure of the upper part is increased, adjusting the vertical position of the device through the crawler belt at the position where the pile 18 is embedded by the electromagnet, and then constructing;
(h) after the open caisson is sunk to the designed elevation, the device is closed, the electromagnet embedded pile 18 is closed, the air bag 16 is opened, the buoyancy of the device is increased, and foundation cleaning and top sealing construction are carried out on the bottom of the open caisson through the crane taking-out device.
Compared with the prior construction method, the invention has the beneficial effects that:
firstly, the invention realizes automatic deviation correction in the sinking process of the open caisson without manual calculation. The three-dimensional stress in the sinking process of the open caisson needs to be converted into a plane problem through manual calculation, the deviation correcting moment and the resisting moment are calculated, then manual or mechanical soil removal is carried out on one side, with the height of the edge foot, of the open caisson according to the calculation result, and a wider soil dike is reserved on one side, with the adoption of the method, the steps can be omitted, the labor cost is saved, and the construction period is shortened.
Secondly, the invention can carry out the construction of sinking the open caisson in uneven and uneven soft soil layers with a plurality of boulders, and has wider application range.
The invention firstly automatically adjusts the water jetting pressure of each high-pressure water nozzle by controlling the water delivery rate of the high-pressure water pump and adjusts the soil cutting efficiency of each direction of the open caisson by controlling the rotating speed of the submersible electric mud cutting blade, thereby controlling the sinking angle and sinking rate of the open caisson; secondly, the sinking state of the open caisson in the sinking process is monitored in real time through the inclination tester, monitoring data are sent to an above-ground operating platform in real time, the above-ground operating platform adjusts the slurry pumping speed of each slurry pumping pipe according to the space state of the open caisson, and mud quantities of different mud ponds are adjusted through the slurry discharge pipes, so that the self weight difference of each mud pond of the device is small, the device is made to be stable, the sinking angle and sinking speed of the open caisson are adjusted in an auxiliary mode, and the problems that the open caisson inclines and sinks too fast are solved.
Drawings
FIG. 1 is a longitudinal section view of the sinking device of the open caisson capable of automatically correcting the deviation in real time;
FIG. 2 is a three-dimensional block diagram of the apparatus of the present invention;
FIG. 3 is a top view of the apparatus of the present invention;
FIG. 4 is a three-dimensional view of the telescoping support post of the apparatus of the present invention;
FIG. 5 is a schematic structural view of a steel track of the apparatus of the present invention;
fig. 6 is a schematic view of the structure of the sleeve of the device of the present invention.
Wherein: 1 water storage tank, 2-1 first mud pit, 2-2 second mud pit, 2-3 third mud pit, 2-4 fourth mud pit, 3-1 first high-pressure water pump, 3-2 second high-pressure water pump, 3-3 third high-pressure water pump, 3-4 fourth high-pressure water pump, 4 first mud pump, 5 regulating water tank, 6 mud filter screen, 7 steel caterpillar band, 8 water pipe, 9 one-way water pump, 10 submersible electric mud cutting blade, 11 water valve, 12-1 first high-pressure water nozzle, 12-2 second high-pressure water nozzle, 12-3 third high-pressure water nozzle, 12-4 fourth high-pressure water nozzle, 13 mud pumping pipe, 14 iron wire net, 15 mud discharging pipe, 16 air bag, 17 mud pumping pipe, 18 electromagnet embedded pile, 19, 20 telescopic support column, 21 pressure sensor, 22 inclination tester, 23 operating the platform on the ground.
Detailed description of the preferred embodiments
The invention relates to an open caisson sinking device capable of automatically correcting deviation in real time, which comprises:
the high-pressure soil cutting system comprises a reservoir 1, a high-pressure water pump, a high-pressure water nozzle 12 and a submersible electric mud cutting blade 10;
the mud balancing system comprises a mud pool 2, a mud filter screen 6, a one-way water pump 9, a check valve 19 and a pressure sensor 21;
the inclination tester 22 is used for monitoring the sinking form of the whole device in real time;
the electromagnet can be moved up and down to inlay the pile 18;
a pop-up air bag 16;
and the signal input end of the ground operating platform 23 is connected with the inclination monitor, and the signal output end of the ground operating platform is connected with the high-pressure water pump, the submersible electric mud cutting blade and the first mud pump.
The device comprises a plurality of high-pressure soil cutting pipes, a high-pressure water pump, a high-pressure water nozzle 12, a submersible electric mud cutting blade 10 and a high-pressure water pipe unit, wherein the high-pressure soil cutting pipes are symmetrically arranged on the periphery of the device by taking the central axis of the device as the center;
the mud pit is arranged at the upper part of an internal cavity formed by enclosing the high-pressure soil cutting pipes and is fixedly connected with the pipe walls of the high-pressure soil cutting pipes;
one end of the first slurry pumping pipe is connected with a first slurry pumping pump arranged in the slurry tank, and the other end of the first slurry pumping pipe extends downwards; a water storage tank is formed by an inner cavity enclosed by the plurality of mud tanks, and the high-pressure water pump is arranged in the water storage tank; the high-pressure water nozzles wash soil and the submersible electric mud cutting blades cut soil to convert soil in the open caisson into slurry under the combined action of the soil washing and the soil cutting; the first slurry pumping pipe pumps slurry into the slurry tank, so that the self weight of the device is increased, and the sinking of the open caisson is assisted;
and the self-supporting platform is arranged on the outer wall of the high-pressure soil cutting pipe and used for increasing the connection between the device and soil.
As a preferred embodiment of the open caisson sinking device capable of automatically correcting the deviation in real time, the high-pressure water nozzle adopts a high-pressure water self-rotating nozzle. The structure of the spray head is the prior art, and is detailed in design and experimental research of an adjustable electromagnetic braking self-rotating water jet spray head, coal mine machinery and 2015 6 months.
The invention discloses a construction method of an open caisson sinking device capable of automatically correcting deviation in real time, which comprises the following steps:
the device and the bottom section open caisson are embedded together through the electromagnet embedded piles 18 and are placed at the excavated positions. The submersible electric mud-cutting blade 10 at the high-pressure water nozzle 12 is turned on and the high-pressure water pump simultaneously draws a steady flow of water from the central reservoir 1.
And after the slurry pumping pipe 13 of the device is inserted into the slurry, starting the slurry pumping pump 4, and pumping the slurry formed after soil cutting into the slurry pool 2, so that the self-weight stress of the bottom section open caisson and the device is increased, and the sinking is promoted.
The sinking state of the open caisson in the sinking process is monitored in real time through the inclination tester 22, monitoring data are sent to the ground operating platform 23 in real time, the ground operating platform 23 adjusts the slurry pumping speed of each slurry pumping pipe 13 according to the space state of the open caisson, and the slurry amount of different slurry pools 2 is adjusted through the slurry discharge pipe 15 and the adjusting water pool 5, so that the self weight difference of each slurry pool of the device is small, the device is stable, and the sinking angle and the sinking speed of the open caisson are adjusted in an auxiliary mode.
The water injection pressure of each high-pressure water nozzle is automatically adjusted and adjusted by controlling the water delivery rate of the high-pressure water pump, and the soil cutting efficiency of each direction of the open caisson is adjusted by controlling the rotating speed of the submersible electric mud cutting blade, so that the sinking angle and the sinking rate of the open caisson are controlled.
When the bottom section open caisson is sunk to the designed height, the high-pressure water nozzle 12, the high-pressure water pump and the submersible electric mud cutting blade 10 are closed, and all generated mud is pumped into the mud pit. The mud is pumped out of the mud pit through the mud discharge pipe 15 at the upper part of the mud pit, and the telescopic supporting columns in the supporting columns 20 are opened, so that the connection between the device and the soil can be increased.
And closing the device, constructing a second section of open caisson, and after the construction is finished, re-opening the device to retract the telescopic support columns inserted into the soil. The vertical position of the device is adjusted by the steel track 7 at the position where the electromagnets are embedded with the piles 18, and the method is repeated for the sinking of the open caisson after that.
And after the whole open caisson is sunk, emptying the mud pit 2 and the reservoir 1, closing the electromagnet in the electromagnet embedded pile 18, opening the air bag 16, increasing the buoyancy of the device, and finally performing foundation cleaning and top sealing construction on the bottom of the open caisson through a crane taking-out device.
Claims (10)
1. The utility model provides a device is sunk to open caisson that can rectify in real time automatically which characterized in that includes:
the device comprises a plurality of high-pressure soil cutting pipes, a high-pressure water pump, a high-pressure water nozzle, a submersible electric mud cutting blade and a plurality of high-pressure soil cutting pipes, wherein the high-pressure soil cutting pipes are symmetrically arranged on the periphery of the device by taking the central axis of the device as the center;
the mud pit is arranged at the upper part of an internal cavity formed by enclosing the high-pressure soil cutting pipes and is fixedly connected with the pipe walls of the high-pressure soil cutting pipes;
one end of the first slurry pumping pipe is connected with a first slurry pumping pump arranged in the slurry tank, and the other end of the first slurry pumping pipe extends downwards;
a water storage tank is formed by an inner cavity enclosed by the plurality of mud tanks, and the high-pressure water pump is arranged in the water storage tank;
the high-pressure water nozzles wash soil and the submersible electric mud cutting blades cut soil to convert soil in the open caisson into slurry under the combined action of the soil washing and the soil cutting;
the first slurry pumping pipe pumps slurry into the slurry tank, so that the self weight of the device is increased, and the sinking of the open caisson is assisted;
the self-supporting platform is arranged on the outer wall of the high-pressure soil cutting pipe and is used for increasing the connection between the device and soil;
the inclination detector is used for monitoring the sinking state of the whole device in real time;
and the signal input end of the ground control platform is connected with the inclination monitor, and the signal output end of the ground control platform is connected with the high-pressure water pump, the submersible electric mud cutting blade and the first mud pumping pump.
2. The open caisson sinking device capable of automatically correcting the deviation in real time according to claim 1, further comprising a slurry discharge pipe and a slurry discharge pump, wherein the slurry discharge pump is arranged in the slurry tank, and the slurry discharge pipe is connected with the slurry discharge pump and used for pumping slurry in the slurry tank out of the slurry tank.
3. The open caisson sinking device capable of automatically correcting deviation in real time as claimed in claim 1, wherein the mud tanks comprise a plurality of ones, and the mud tanks are symmetrically arranged with the central axis of the device as the center.
4. The open caisson sinking device capable of automatically correcting deviation in real time according to claim 1, wherein the wall of the reservoir connected with the mud pit is communicated through a mud filter screen; a one-way water pump for pumping water in the mud pit to the reservoir is arranged in the reservoir.
5. The open caisson sinking device capable of automatically correcting deviation in real time as claimed in claim 3, further comprising an adjusting water tank arranged at the center of the top of the whole device, wherein the adjusting water tank is connected with the mud tank through a second mud pumping pipe, a second mud pumping pump is arranged in the adjusting water tank, and the second mud pumping pipe is connected with an electromagnetic valve.
6. The open caisson sinking device capable of automatically correcting deviation in real time as claimed in claim 1, wherein a check valve for preventing mud from flowing back is arranged in the slurry pumping pipe.
7. The open caisson sinking device capable of automatically correcting deviation in real time as claimed in claim 1, wherein an air bag is arranged on the device and outside the upper part of the mud pit.
8. The open caisson sinking device capable of automatically correcting deviation in real time according to claim 1, wherein the self-supporting platform comprises a platform body, a telescopic supporting column capable of extending and retracting to the outer side of the platform body is arranged in the platform body, and the telescopic supporting column adopts an electric telescopic cylinder structure.
9. The open caisson sinking device capable of automatically correcting deviation in real time as claimed in claim 1, wherein the high pressure water nozzle is a high pressure water self-rotating nozzle.
10. The open caisson sinking method capable of automatically correcting deviation in real time is characterized by depending on a set of sinking device, and the device comprises: the device comprises a plurality of high-pressure soil cutting pipes, a high-pressure water pump, a high-pressure water nozzle, a submersible electric mud cutting blade and a high-pressure water pipe unit, wherein the high-pressure soil cutting pipes are symmetrically arranged on the periphery of the device by taking the central axis of the device as a center; the mud pit is arranged at the upper part of an internal cavity formed by enclosing the high-pressure soil cutting pipes and is fixedly connected with the pipe walls of the high-pressure soil cutting pipes;
one end of the first slurry pumping pipe is connected with a first slurry pumping pump arranged in the slurry tank, and the other end of the first slurry pumping pipe extends downwards;
a water storage tank is formed by an inner cavity enclosed by the plurality of mud tanks, and the high-pressure water pump is arranged in the water storage tank;
the self-supporting platform is arranged on the outer wall of the high-pressure soil cutting pipe and is used for increasing the connection between the device and soil;
the inclination detector is used for monitoring the sinking state of the whole device in real time; the ground control platform is characterized in that a signal input end of the ground control platform is connected with the inclination monitor, a signal output end of the ground control platform is connected with the high-pressure water pump, the submersible electric mud cutting blade and the first mud pumping pump, and the ground control platform comprises the following construction steps:
(a) installing a bottom section open caisson;
the device and the bottom section open caisson are embedded together through the electromagnet embedded piles, a strip-shaped steel crawler belt which is vertically arranged is arranged between the inner wall of the pile of the electromagnet embedded pile and the outer wall of the high-pressure soil cutting pipe, and the vertical position of the device is adjusted through the strip-shaped steel crawler belt;
(b) opening the ground platform, and fully storing the reservoir through a water injection port;
(c) opening the submersible electric mud cutting blade and the high-pressure water pump, inputting parameters of the high-pressure water nozzles, monitoring the sinking form of the sinking well in the sinking process in real time according to the actual soil condition and the inclination tester, and automatically adjusting the water jetting pressure of each high-pressure water nozzle and the rotating speed of the submersible electric mud cutting blade by the ground platform by controlling the water delivery rate of the high-pressure water pump;
(d) after the slurry pumping pipe is inserted into slurry, the slurry pumping pipe extends out of a telescopic supporting column in the self-supporting platform, the telescopic supporting column extends into the soil, a first slurry pumping pump is started, then a slurry discharge pipe at the upper part of a slurry pool, a second slurry pumping pump in a transition pool and a one-way water pump are started, and the slurry conveying speed of the slurry pumping pipe and the slurry discharge speed of the slurry discharge pipe are automatically adjusted by the ground platform;
(e) when the bottom section open caisson sinks to the designed height, closing the high-pressure water nozzles, the high-pressure water pump and the submersible electric mud cutting blades;
(f) the vertical position of the device is adjusted through a crawler belt at the position where the electromagnet is embedded with the pile, the generated slurry is pumped into a slurry pool, the slurry is pumped out of the slurry pool through a slurry discharge pipe at the upper part of the slurry pool, and the device is closed;
(g) building a second section of open caisson, after the building is finished, restarting the device, withdrawing the telescopic support columns, adjusting the vertical position of the device through the tracks at the positions where the piles are embedded by the electromagnets, and repeating the method to perform the settlement of the open caisson; constructing a second section of open caisson and taking out the open caisson device after the second section of open caisson device is not taken out, taking out the open caisson device after the open caisson is completely constructed, after the second section of open caisson is constructed, sinking the bottom section of open caisson for a certain distance possibly due to the fact that the pressure of the upper part is increased, adjusting the vertical position of the device through the crawler belt at the position where the pile is embedded by the electromagnet, and then constructing;
(h) after the open caisson sinks to the designed elevation, the closing device closes the electromagnet embedded pile, the air bag is opened, the buoyancy of the device is increased, and foundation cleaning and top sealing construction are carried out on the bottom of the open caisson through the crane taking-out device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110398579.1A CN113235632B (en) | 2021-04-14 | 2021-04-14 | Open caisson sinking device capable of automatically correcting deviation in real time and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110398579.1A CN113235632B (en) | 2021-04-14 | 2021-04-14 | Open caisson sinking device capable of automatically correcting deviation in real time and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113235632A true CN113235632A (en) | 2021-08-10 |
| CN113235632B CN113235632B (en) | 2022-07-08 |
Family
ID=77128193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110398579.1A Active CN113235632B (en) | 2021-04-14 | 2021-04-14 | Open caisson sinking device capable of automatically correcting deviation in real time and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113235632B (en) |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05118043A (en) * | 1991-03-19 | 1993-05-14 | Shimizu Corp | Method of caisson sinking construction by division of cutting edge |
| JP2004257033A (en) * | 2003-02-25 | 2004-09-16 | Nippon Hume Corp | Precast pile burying construction method |
| JP2006070469A (en) * | 2004-08-31 | 2006-03-16 | Kato Construction Co Ltd | Well construction method |
| CN201459747U (en) * | 2009-07-28 | 2010-05-12 | 武汉京冶地基基础工程有限责任公司 | Alarmable open caisson in construction |
| WO2010121519A1 (en) * | 2009-04-24 | 2010-10-28 | Ding Cixin | Inner support pile for supporting sinking well structure during construction |
| CN202467844U (en) * | 2012-01-18 | 2012-10-03 | 李胜新 | Silo excavator |
| CN104612172A (en) * | 2014-12-25 | 2015-05-13 | 中铁大桥局集团第二工程有限公司 | Floating assisting method for large sinking well in the case of low water level |
| CN105064386A (en) * | 2015-08-03 | 2015-11-18 | 上海市基础工程集团有限公司 | Open caisson sinking device by drilling absorption method |
| CN106121657A (en) * | 2016-08-29 | 2016-11-16 | 杭州牛斯顿立体车库有限公司 | A kind of multifunctional numerical control shaft sinking device and construction method |
| CN106245653A (en) * | 2016-08-09 | 2016-12-21 | 岩土科技股份有限公司 | A kind of vertical mud and water balance construction method |
| CN108360544A (en) * | 2018-03-10 | 2018-08-03 | 杨素钦 | A kind of automatic sinking device of open caisson and construction method |
| CN110397057A (en) * | 2019-07-31 | 2019-11-01 | 武汉市市政建设集团有限公司 | A kind of soft soil area Self-sinking type steel open caisson support system and method |
| CN110528550A (en) * | 2019-08-07 | 2019-12-03 | 中交第二航务工程局有限公司 | The hard soil layer in caisson cutting edge position is broken and slag cleaning device and its construction method |
| CN110805053A (en) * | 2019-11-05 | 2020-02-18 | 武汉市市政建设集团有限公司 | Construction method of deep foundation pit open caisson self-sinking supporting system |
| CN210421213U (en) * | 2019-06-24 | 2020-04-28 | 中交第二航务工程局有限公司 | Cutter suction equipment suitable for excavating cohesive soil under deep water condition |
| CN210562236U (en) * | 2019-07-17 | 2020-05-19 | 中交第二航务工程局有限公司 | Underwater hard rock stratum crushing and soil taking system |
| CN211172039U (en) * | 2019-07-31 | 2020-08-04 | 武汉市市政建设集团有限公司 | Soft soil region self-sinking steel open caisson structure and supporting system |
| CN212077995U (en) * | 2019-12-06 | 2020-12-04 | 郑兰苔 | Water conservancy is towards sinking open caisson construction equipment |
| CN212223929U (en) * | 2020-05-09 | 2020-12-25 | 核工业井巷建设集团有限公司 | Flushing and sucking device for non-drainage sinking construction process of open caisson |
| CN212270983U (en) * | 2020-04-27 | 2021-01-01 | 徐州良辰建设工程有限公司 | Water conservancy is towards sinking open caisson construction equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2253623B1 (en) * | 2005-09-16 | 2013-10-23 | Syngenta Participations AG. | New crystal form of a pyrazole fungicide |
-
2021
- 2021-04-14 CN CN202110398579.1A patent/CN113235632B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05118043A (en) * | 1991-03-19 | 1993-05-14 | Shimizu Corp | Method of caisson sinking construction by division of cutting edge |
| JP2004257033A (en) * | 2003-02-25 | 2004-09-16 | Nippon Hume Corp | Precast pile burying construction method |
| JP2006070469A (en) * | 2004-08-31 | 2006-03-16 | Kato Construction Co Ltd | Well construction method |
| WO2010121519A1 (en) * | 2009-04-24 | 2010-10-28 | Ding Cixin | Inner support pile for supporting sinking well structure during construction |
| CN201459747U (en) * | 2009-07-28 | 2010-05-12 | 武汉京冶地基基础工程有限责任公司 | Alarmable open caisson in construction |
| CN202467844U (en) * | 2012-01-18 | 2012-10-03 | 李胜新 | Silo excavator |
| CN104612172A (en) * | 2014-12-25 | 2015-05-13 | 中铁大桥局集团第二工程有限公司 | Floating assisting method for large sinking well in the case of low water level |
| CN105064386A (en) * | 2015-08-03 | 2015-11-18 | 上海市基础工程集团有限公司 | Open caisson sinking device by drilling absorption method |
| CN106245653A (en) * | 2016-08-09 | 2016-12-21 | 岩土科技股份有限公司 | A kind of vertical mud and water balance construction method |
| CN106121657A (en) * | 2016-08-29 | 2016-11-16 | 杭州牛斯顿立体车库有限公司 | A kind of multifunctional numerical control shaft sinking device and construction method |
| CN108360544A (en) * | 2018-03-10 | 2018-08-03 | 杨素钦 | A kind of automatic sinking device of open caisson and construction method |
| CN210421213U (en) * | 2019-06-24 | 2020-04-28 | 中交第二航务工程局有限公司 | Cutter suction equipment suitable for excavating cohesive soil under deep water condition |
| CN210562236U (en) * | 2019-07-17 | 2020-05-19 | 中交第二航务工程局有限公司 | Underwater hard rock stratum crushing and soil taking system |
| CN110397057A (en) * | 2019-07-31 | 2019-11-01 | 武汉市市政建设集团有限公司 | A kind of soft soil area Self-sinking type steel open caisson support system and method |
| CN211172039U (en) * | 2019-07-31 | 2020-08-04 | 武汉市市政建设集团有限公司 | Soft soil region self-sinking steel open caisson structure and supporting system |
| CN110528550A (en) * | 2019-08-07 | 2019-12-03 | 中交第二航务工程局有限公司 | The hard soil layer in caisson cutting edge position is broken and slag cleaning device and its construction method |
| CN110805053A (en) * | 2019-11-05 | 2020-02-18 | 武汉市市政建设集团有限公司 | Construction method of deep foundation pit open caisson self-sinking supporting system |
| CN212077995U (en) * | 2019-12-06 | 2020-12-04 | 郑兰苔 | Water conservancy is towards sinking open caisson construction equipment |
| CN212270983U (en) * | 2020-04-27 | 2021-01-01 | 徐州良辰建设工程有限公司 | Water conservancy is towards sinking open caisson construction equipment |
| CN212223929U (en) * | 2020-05-09 | 2020-12-25 | 核工业井巷建设集团有限公司 | Flushing and sucking device for non-drainage sinking construction process of open caisson |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113235632B (en) | 2022-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107119691B (en) | Square deep foundation pit suitable for high bearing pressure of water-rich sand egg layer and excavation method thereof | |
| CN103899321A (en) | Jacking pulling combined rectangular jacking pipe tunnel construction method | |
| CN107700511A (en) | Open caisson and its construction method under the conditions of a kind of phreatic high | |
| CN205116247U (en) | Water conservancy is towards heavy well construction equipment | |
| CN103643690A (en) | Deep-foundation-pit exploration-hole water-gushing processing method | |
| CN103088820A (en) | Waterpower self-excited oscillation jet flow vibratory pile sinking device and pile sinking technology | |
| CN214497556U (en) | Deep foundation pit drainage facility | |
| CN109441355A (en) | Silt or sand bed pipe well high pressure water flushing fast pore-creating construction method | |
| CN113235632B (en) | Open caisson sinking device capable of automatically correcting deviation in real time and construction method | |
| CN110565670B (en) | Construction method of open caisson non-drainage sinking construction system | |
| CN108396728A (en) | Constructing device and construction method for the multi-functional pile pile that the islands Tian Haizhu can drain | |
| CN105040705A (en) | Ground foundation treatment construction technology under multi-karst-cave geological conditions | |
| CN108316288A (en) | Half casing guncreting pile construction equipment and construction method | |
| CN210104712U (en) | Silt geological release hole sand filling device | |
| CN113216235A (en) | Construction method for large open caisson water storage settlement | |
| CN209816830U (en) | A slip casting structure for interlock formula campshed construction cold joint | |
| CN208578025U (en) | A kind of constructing device for the multi-functional tubular pole that can be drained for the island Tian Haizhu | |
| CN206815338U (en) | Hydraulic sheeting operation fluidic device | |
| KR101818949B1 (en) | Construction method of pile type groundwater collector | |
| CN113322936B (en) | Soil body reinforcing construction method and construction auxiliary device for thick sand layer karst area | |
| CN111270697A (en) | Water conservancy is towards sinking open caisson construction equipment | |
| CN204875796U (en) | Check type steel sheet piling cofferdam water spray formula cloth magazine attachment | |
| CN115637721B (en) | Active control method for sinking of open caisson structure of bridge pier | |
| CN2244571Y (en) | Combined machine for construction of club-footed holing pile | |
| CN217298946U (en) | Anchorage supporting construction |
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 |