CN113804153A - Liquid level control variable resistance type omnibearing telescopic device for monitoring deep soil deformation - Google Patents
Liquid level control variable resistance type omnibearing telescopic device for monitoring deep soil deformation Download PDFInfo
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- CN113804153A CN113804153A CN202110902012.3A CN202110902012A CN113804153A CN 113804153 A CN113804153 A CN 113804153A CN 202110902012 A CN202110902012 A CN 202110902012A CN 113804153 A CN113804153 A CN 113804153A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 41
- 239000007788 liquid Substances 0.000 title claims abstract description 29
- 239000002689 soil Substances 0.000 title claims abstract description 27
- 238000006073 displacement reaction Methods 0.000 claims abstract description 34
- 238000012806 monitoring device Methods 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 238000004873 anchoring Methods 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims description 22
- 239000000853 adhesive Substances 0.000 claims description 21
- 230000001070 adhesive effect Effects 0.000 claims description 21
- 238000010276 construction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 238000009412 basement excavation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/17—Geometrical or physical properties including an electric conductive element
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Structural Engineering (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
A liquid level control variable resistance type omnibearing telescopic device for monitoring the deformation of a deep soil body is provided, wherein a steel shell is connected with a threaded port through threads; the central rod piece is connected with the threaded opening through threads, and the fixing bolt is connected with the upper end of the central rod piece through threads; the transmission antenna is fixedly connected with the fixing bolt; the laser lens is fixedly connected with the transmission antenna; the lower end of the central rod piece is fixedly connected with the limiting baffle, and the rotating shaft is fixedly connected with the limiting baffle; the piston is fixedly connected with the rotating shaft; the hydraulic five-way is fixedly connected with the anchoring device; the anchoring horizontal pile is fixedly connected with the piston; the inclination angle sensor is fixedly connected with the horizontal displacement monitoring device; the positive electrode is fixedly connected with the inclination angle sensor; the negative electrode is fixedly connected with the inclination angle sensor; the conductive liquid is placed in the inclination angle sensor; the drill bit is fixedly connected with the horizontal displacement monitoring device. The method is applied to monitoring of foundation pit engineering of the proximity river channel, has an intelligent early warning function, and can guarantee the safety of foundation pit engineering construction.
Description
Technical Field
The invention belongs to the technical field of foundation pit excavation monitoring, and particularly relates to a device which is suitable for a river channel around a foundation pit and adopts a variable resistor controlled by a liquid level to realize horizontal displacement and settlement monitoring and early warning of a deep soil body of a river bed of the river channel.
Background
With the further development of economy and society, cities begin to build buildings such as high-rise buildings, railway stations and the like, and simultaneously utilize underground spaces to build subways, parking lots and the like, and the construction of the facilities can not leave foundation pits, particularly the construction of ultra-deep and ultra-large foundation pits. The influence of the surrounding environment on the construction and the influence of the construction on the surrounding environment need to be comprehensively considered in the construction of the deep foundation pit. When special environmental factors such as a river channel, an existing foundation pit or a cavity exist around the deep foundation pit, unbalanced loads exist on two sides of the foundation pit, many potential safety hazards are brought to foundation pit engineering, and engineering accidents caused by some bias voltage are reported. The foundation pit engineering is the foundation of a building, determines the long-term performance of the building, influences the life and property safety of surrounding masses and needs close attention of urban constructors.
The deformation of the soil body is an important index in foundation pit engineering monitoring, and when the influence of foundation pit excavation on the surrounding environment is researched, surrounding buildings, traffic facilities and the like need to be monitored. At present, the research on the influence rule of foundation pit excavation on deep deformation of a peripheral river channel is less at home and abroad, and the soil deformation rule of a river bed of the river channel is not clear. Therefore, the excavation of the foundation pit around the river requires strict monitoring of the river. The foundation pit excavation soil body deformation monitoring device at the present stage cannot monitor the deformation of the soil body in the deep layer of the riverbed of the riverway due to reasons such as waterproofness, firmness or data transmission and the like.
Disclosure of Invention
In order to overcome the defects and shortcomings of the existing soil deformation monitoring device, the invention provides the liquid level control variable resistance type omnibearing telescopic device for monitoring the deformation of the deep soil, so that the monitoring and early warning of the horizontal displacement and settlement of the deep soil of the river channel in the whole process of foundation pit excavation are realized, more accurate monitoring data are provided for foundation pit excavation engineering, and powerful support is provided for the research of the deformation rule of the deep soil of the river channel; the method can be applied to monitoring of foundation pit engineering of a proximity river channel, has an intelligent early warning function, and can guarantee the safety of foundation pit engineering construction.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a liquid level control variable resistance type omnibearing telescopic device for monitoring deformation of a deep soil body comprises a steel shell, a central rod piece, a fixing bolt, a transmission antenna, a laser lens, an anchoring device, a threaded port, a limiting baffle, a rotating shaft, a piston, a hydraulic five-way valve, an anchoring horizontal pile, a horizontal displacement monitoring device, an inclination angle sensor, a positive electrode, a negative electrode, conductive liquid, a power supply, an ammeter, data transmission equipment and a drill bit; the steel shell is connected with the threaded port through threads; the central rod piece is connected with the threaded opening through threads, and the fixing bolt is connected with the upper end of the central rod piece through threads; the transmission antenna is connected with the fixed bolt through welding; the laser lens is connected with the transmission antenna through welding;
the lower end of the central rod piece is fixedly connected with the limiting baffle, and the rotating shaft is fixedly connected with the limiting baffle; the piston is fixedly connected with the rotating shaft; the hydraulic five-way is fixedly connected with the anchoring device; the anchoring horizontal pile is fixedly connected with the piston; the inclination angle sensor is fixedly connected with the horizontal displacement monitoring device; the positive electrode is fixedly connected with the inclination angle sensor; the negative electrode is fixedly connected with the inclination angle sensor; the conductive liquid is placed in the inclination angle sensor; the drill bit is fixedly connected with the horizontal displacement monitoring device.
Furthermore, the lower end of the central rod piece is connected with the limiting baffle in a welding manner, and the rotating shaft is connected with the limiting baffle in a welding manner; the piston is connected with the rotating shaft through an adhesive; the hydraulic five-way is connected with the anchoring device through welding; the anchoring horizontal pile is connected with the piston through an adhesive; the inclination angle sensor is connected with the horizontal displacement monitoring device through welding; the positive electrode is connected with the inclination angle sensor through an adhesive; the negative electrode is connected with the inclination angle sensor through an adhesive; the drill bit is connected with the horizontal displacement monitoring device through welding.
Still further, the power supply is connected with the horizontal displacement monitoring device through an adhesive; the ammeter is connected with the horizontal displacement monitoring device through an adhesive; one end of the power supply is connected with the positive electrode, and the other end of the power supply is connected with the negative electrode through the ammeter.
The data transmission equipment is connected with the horizontal displacement monitoring device through an adhesive, and the ammeter is connected with the data transmission equipment.
The device includes unmanned aerial vehicle and laser range finder, laser range finder passes through welded connection with unmanned aerial vehicle.
The invention has the following beneficial effects: (1) the monitoring data has high accuracy. The device adopts the liquid level control variable resistance type monitoring principle, keeps the liquid level in the insulating shell by means of the conductive liquid in the inclination angle sensor, sets a positive electrode at the central position of the bottom of the insulating shell, and adopts four independent resistance wires as negative electrodes, so that the liquid level height around the inside of the insulating shell can be obtained, the inclination angle is further determined, and accurate horizontal displacement is obtained. (2) The anti-interference capability is strong. Because the device need work in the river course, not only river bed silt intensity is low, yielding, but also the device can receive the interference of rivers effect. The device is provided with a hydraulic control anchoring device consisting of an anchoring horizontal pile, a hydraulic five-way joint and the like, and can be fixed in a weak soil body. Meanwhile, the steel shell can be separated in the working stage of the device, so that errors caused by water flow can be reduced, and the anti-interference capability of the device is enhanced. (3) Has cooperative work capability. This device has the detachable transmission antenna who is fixed in the device top, and it can not only with host computer lug connection, can interconnect with monitoring early warning device on every side moreover, and the sharing monitoring data has effectively improved monitoring early warning's accuracy and reliability.
Drawings
FIG. 1 is a front view of a liquid level controlled variable resistance omni-directional telescoping device for monitoring deep soil deformation.
Fig. 2 is a schematic view of an anchoring device and a horizontal displacement monitoring device.
Fig. 3 is a sectional view a-a of fig. 2.
Fig. 4 is a B-B sectional view of fig. 2.
Fig. 5 shows the tilt angle sensor, where (a) shows an initial state and (b) shows a tilted state.
Fig. 6 is a state diagram of measuring the river.
Fig. 7 is a state diagram of the design apparatus.
Fig. 8 is a state diagram with the upper device removed.
Fig. 9 is a state diagram of adjusting the position of the lower pile.
Fig. 10 is a state diagram of a static pile.
Fig. 11 is a view showing a state where the horizontal pile is extended.
Fig. 12 is a state of being detached from the steel case.
Fig. 13 is a state diagram of the mounting of the upper structure.
Fig. 14 is a state diagram of the start of monitoring.
Fig. 15 is a schematic diagram of an embodiment.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 15, a liquid level control variable resistance type omnibearing telescopic device for monitoring deep soil deformation comprises a steel shell 1, a central rod 2, a fixing bolt 3, a transmission antenna 4, a laser lens 5, an anchoring device 6, a threaded port 7, a limit baffle 8, a rotating shaft 9, a piston 10, a hydraulic five-way valve 11, an anchoring horizontal pile 12, a horizontal displacement monitoring device 13, an inclination angle sensor 14, a positive electrode 15, a negative electrode 16, a conductive liquid 17, a power supply 18, an ammeter 19, a data transmission device 20, a drill bit 21, an insulating shell 22, a river channel 23, a river bank 24, a river bed 25 and an upper computer 26.
Wherein, the steel shell 1 is connected with the threaded port 7 through threads; the central rod piece 2 is connected with the threaded port 7 through threads, and the fixing bolt 3 is connected with the upper end of the central rod piece 2 through threads; the transmission antenna 4 is connected with the fixed bolt 3 through welding; the laser lens 5 is connected with the transmission antenna 4 through welding;
the lower end of the central rod piece 2 is connected with the limit baffle 8 through welding, and the rotating shaft 9 is connected with the limit baffle 8 through welding; the piston 10 is connected with the rotating shaft 9 through an adhesive; the hydraulic five-way valve 11 is connected with the anchoring device 6 through welding; the anchoring horizontal pile 12 is connected with the piston 10 through an adhesive;
the inclination angle sensor 14 is connected with the horizontal displacement monitoring device 13 through welding; the positive electrode 15 is connected with the inclination angle sensor 14 through an adhesive; the negative electrode 16 is connected with the inclination angle sensor 14 through an adhesive; the conductive liquid 17 is placed in the tilt angle sensor 14;
the drill bit 21 is connected to the horizontal displacement monitoring device 13 by welding.
The power supply 18 is connected with the horizontal displacement monitoring device 13 through an adhesive; the ammeter 19 is connected with the horizontal displacement monitoring device 13 through an adhesive; one end of a power supply 18 is connected with the positive electrode 15, and the other end of the power supply 18 is connected with the negative electrode 16 through an ammeter 19.
The data transmission device 20 is connected with the horizontal displacement monitoring device 13 through an adhesive, and the ammeter 19 is connected with the data transmission device 20.
The device includes unmanned aerial vehicle 27 and laser range finder 28, laser range finder 28 passes through welded connection with unmanned aerial vehicle 27.
In the excavation engineering of the foundation pit of the railway station, an existing river is arranged 8m away from the north side of the foundation pit, the width of the river is 15m, and the depth of the river is 5 m. The station foundation pit bears large asymmetric load, and after the station main structure is excavated, a free surface exceeding 15m is formed, if the supporting structure cannot meet the lateral pressure, the enclosure structure is excessively deformed, the geology and the surrounding environment are relatively complex, and close monitoring is needed. The traditional monitoring and early warning device can not be used for monitoring the deformation of the deep soil body of the riverbed of the riverway generally, has poor performances such as accuracy, anti-interference performance, data transmission and the like, and can not be applied to the project. The monitoring and early warning of the foundation pit engineering can be realized by adopting the liquid level control variable resistance type omnibearing telescopic device for monitoring the deformation of the deep soil body.
According to the actual situation of the foundation pit engineering, 9 devices are adopted to carry out monitoring and early warning work of the engineering, and the process is as follows:
(a) before the construction of the foundation pit engineering, the river channel 23 near the foundation pit is investigated, and basic parameters such as the width and the depth of the river channel 23 are obtained.
(b) And (5) designing a monitoring device. According to the depth parameter of river course 23, the length of design device steel shell 1 is 5500mm, and central member length 6000mm, device main part length 1000mm, stake end length 500mm, as shown in the figure.
(c) And (5) monitoring device layout design. The river channel 23 is divided into planes, and 9 arrangement points are obtained on the horizontal plane in a 3 × 3 uniform distribution mode.
(d) And (6) removing the upper structure. In order to ensure that the upper transmission antenna 4 and the laser lens 5 are not damaged during the installation process, the fixing bolt 3 is unscrewed, the upper structure is removed, and the center pole 2 is checked to be unscrewed.
(e) And adjusting the pile lowering position. The device is transported to the upper part of the appointed monitoring point position by using tools such as crane, ship and the like, and the device is placed to the riverbed 25 and the position is slowly adjusted.
(f) And (5) static pile pressing. The device is pressed into the river bed 23 by means of static pile pressing, with an insertion depth of 1500 mm.
(g) And (5) extending out of the horizontal pile. The central rod piece 2 is screwed, the central rod piece 2 descends along the threaded port 7, the piston 10 is pushed through the rotating shaft 9, the hydraulic pressure in the hydraulic five-way 11 is increased,
the horizontal anchoring piles 12 are pushed out of the casing of the anchoring device 6 and embedded into the soil.
(h) And (4) separating from the steel shell. And loosening the steel shell 1, separating the steel shell from the device main body to reduce the influence of water flow on the device, and taking out the steel shell 1.
(i) And installing the upper structure. And (3) mounting the transmission antenna 4 and the laser lens 5, and screwing the fixing bolt 3.
(j) And (5) repeating the steps (d) - (i) to finish the installation of the remaining 8 monitoring and early warning devices.
(k) And starting the device, setting the horizontal displacement and the settlement to zero, starting monitoring, and finishing the installation of the device.
In order to illustrate the working principle of the soil displacement monitoring device 6, the embodiment takes the settlement and horizontal displacement of the soil mass on the bed 25 at the bottom of the river 23 as an example to illustrate the implementation principle in detail, and the process is as follows:
(a) at a certain moment, the soil at the bottom of the river 23 is settled and horizontally displaced.
(b) And (5) monitoring sedimentation. Unmanned aerial vehicle 27 sends laser through laser range finder 28, records unmanned aerial vehicle 27 and monitoring early warning device's distance after laser lens 5 receives laser, because positioning system such as unmanned aerial vehicle 27's position accessible GPS, big dipper obtains, consequently can calculate the altitude variation who obtains monitoring early warning device, subsides promptly.
(c) And monitoring the horizontal displacement. The monitoring and early warning device inclines to drive the inclination angle sensor 14 to incline, but the liquid level of the conductive liquid 17 keeps horizontal, the negative electrode 16 is a long resistance wire, the effective resistance of the negative electrode changes due to the change of the liquid level, the four negative electrodes 16 respectively show rising and falling trends through the current of the ammeter 19, and the inclination angle of the liquid level can be calculated according to the change of the four current amounts measured by the ammeter 19.
(d) Data reporting and early warning. The settlement and horizontal displacement data measured by the monitoring and early warning device are transmitted to the upper computer 26 through the transmission antenna 4, and when the settlement and horizontal displacement reach the threshold value preset in the upper computer 26, the upper computer 26 is triggered to perform early warning.
The embodiments described in this specification are merely illustrative of implementations of the inventive concepts, which are intended for purposes of illustration only. The scope of the present invention should not be construed as being limited to the particular forms set forth in the examples, but rather as being defined by the claims and the equivalents thereof which can occur to those skilled in the art upon consideration of the present inventive concept.
Claims (5)
1. A liquid level control variable resistance type omnibearing telescopic device for monitoring deformation of a deep soil body is characterized by comprising a steel shell, a central rod piece, a fixing bolt, a transmission antenna, a laser lens, an anchoring device, a threaded port, a limiting baffle, a rotating shaft, a piston, a hydraulic five-way valve, an anchoring horizontal pile, a horizontal displacement monitoring device, an inclination angle sensor, a positive electrode, a negative electrode, conductive liquid, a power supply, an ammeter, data transmission equipment and a drill bit; the steel shell is connected with the threaded port through threads; the central rod piece is connected with the threaded opening through threads, and the fixing bolt is connected with the upper end of the central rod piece through threads; the transmission antenna is connected with the fixed bolt through welding; the laser lens is connected with the transmission antenna through welding;
the lower end of the central rod piece is fixedly connected with the limiting baffle, and the rotating shaft is fixedly connected with the limiting baffle; the piston is fixedly connected with the rotating shaft; the hydraulic five-way is fixedly connected with the anchoring device; the anchoring horizontal pile is fixedly connected with the piston; the inclination angle sensor is fixedly connected with the horizontal displacement monitoring device; the positive electrode is fixedly connected with the inclination angle sensor; the negative electrode is fixedly connected with the inclination angle sensor; the conductive liquid is placed in the inclination angle sensor; the drill bit is fixedly connected with the horizontal displacement monitoring device.
2. The liquid level control variable resistance type omnibearing telescopic device for monitoring the deformation of a deep soil body as claimed in claim 1, wherein the lower end of the central rod is connected with the limit baffle by welding, and the rotating shaft is connected with the limit baffle by welding; the piston is connected with the rotating shaft through an adhesive; the hydraulic five-way is connected with the anchoring device through welding; the anchoring horizontal pile is connected with the piston through an adhesive; the inclination angle sensor is connected with the horizontal displacement monitoring device through welding; the positive electrode is connected with the inclination angle sensor through an adhesive; the negative electrode is connected with the inclination angle sensor through an adhesive; the drill bit is connected with the horizontal displacement monitoring device through welding.
3. A liquid level controlled variable resistance omni-directional telescopic device for monitoring the deformation of a deep soil according to claim 1 or 2, wherein the power supply is connected with the horizontal displacement monitoring device through an adhesive; the ammeter is connected with the horizontal displacement monitoring device through an adhesive; one end of the power supply is connected with the positive electrode, and the other end of the power supply is connected with the negative electrode through the ammeter.
4. A liquid level controlled variable resistance omni-directional telescoping device for monitoring deformation of deep soil according to claim 1 or 2, wherein the data transmission apparatus is connected with the horizontal displacement monitoring device by an adhesive, and the ammeter is connected with the data transmission apparatus.
5. The liquid level control variable resistance type omnibearing telescopic device for monitoring the deformation of a deep soil body according to claim 1 or 2, wherein the device comprises an unmanned aerial vehicle and a laser range finder, and the laser range finder is connected with the unmanned aerial vehicle through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110902012.3A CN113804153A (en) | 2021-08-06 | 2021-08-06 | Liquid level control variable resistance type omnibearing telescopic device for monitoring deep soil deformation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110902012.3A CN113804153A (en) | 2021-08-06 | 2021-08-06 | Liquid level control variable resistance type omnibearing telescopic device for monitoring deep soil deformation |
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| CN113804153A true CN113804153A (en) | 2021-12-17 |
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| CN202110902012.3A Pending CN113804153A (en) | 2021-08-06 | 2021-08-06 | Liquid level control variable resistance type omnibearing telescopic device for monitoring deep soil deformation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865551A (en) * | 2021-08-06 | 2021-12-31 | 中铁七局集团第三工程有限公司 | Open-ground combined foundation pit excavation monitoring and early warning system suitable for high slope and river channel double-step and operation method thereof |
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| CN102943459A (en) * | 2012-12-04 | 2013-02-27 | 中铁二十一局集团有限公司 | Remote smart monitoring and three-dimensional early warning method and system for deformation stability of deep foundation pit |
| CN105424084A (en) * | 2015-11-04 | 2016-03-23 | 华东师范大学 | Tidal flat erosion and deposition networking observation method and system and erosion and deposition monitor |
| CN105735380A (en) * | 2016-04-14 | 2016-07-06 | 广州市建筑科学研究院有限公司 | Monitoring device and method for horizontal displacement and vertical sedimentation of foundation pit deep layer |
| CN107702694A (en) * | 2017-08-15 | 2018-02-16 | 曾美枝 | A kind of tower crane inclination measuring device |
| CN111272142A (en) * | 2020-03-30 | 2020-06-12 | 广州市重点公共建设项目管理中心 | High formwork settlement monitoring device and method |
| CN112359806A (en) * | 2020-09-27 | 2021-02-12 | 中建东设岩土工程有限公司 | Device and method for monitoring influence of deep foundation pit excavation on vertical deformation of subway |
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2021
- 2021-08-06 CN CN202110902012.3A patent/CN113804153A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102943459A (en) * | 2012-12-04 | 2013-02-27 | 中铁二十一局集团有限公司 | Remote smart monitoring and three-dimensional early warning method and system for deformation stability of deep foundation pit |
| CN105424084A (en) * | 2015-11-04 | 2016-03-23 | 华东师范大学 | Tidal flat erosion and deposition networking observation method and system and erosion and deposition monitor |
| CN105735380A (en) * | 2016-04-14 | 2016-07-06 | 广州市建筑科学研究院有限公司 | Monitoring device and method for horizontal displacement and vertical sedimentation of foundation pit deep layer |
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| CN111272142A (en) * | 2020-03-30 | 2020-06-12 | 广州市重点公共建设项目管理中心 | High formwork settlement monitoring device and method |
| CN112359806A (en) * | 2020-09-27 | 2021-02-12 | 中建东设岩土工程有限公司 | Device and method for monitoring influence of deep foundation pit excavation on vertical deformation of subway |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865551A (en) * | 2021-08-06 | 2021-12-31 | 中铁七局集团第三工程有限公司 | Open-ground combined foundation pit excavation monitoring and early warning system suitable for high slope and river channel double-step and operation method thereof |
| CN113865551B (en) * | 2021-08-06 | 2024-02-20 | 中铁七局集团第三工程有限公司 | Air-ground combined foundation pit excavation monitoring and early warning system suitable for high slope and river double steps and operation method thereof |
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