CN108507526A - A kind of foundation pit deformation measuring device and its measurement method - Google Patents

A kind of foundation pit deformation measuring device and its measurement method Download PDF

Info

Publication number
CN108507526A
CN108507526A CN201810313526.3A CN201810313526A CN108507526A CN 108507526 A CN108507526 A CN 108507526A CN 201810313526 A CN201810313526 A CN 201810313526A CN 108507526 A CN108507526 A CN 108507526A
Authority
CN
China
Prior art keywords
foundation pit
displacement
steel wire
spring
foundation
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
Application number
CN201810313526.3A
Other languages
Chinese (zh)
Other versions
CN108507526B (en
Inventor
永远
李盼召
贺正琦
高远瞩
张仲瑞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southwest Jiaotong University
Original Assignee
Southwest Jiaotong University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Southwest Jiaotong University filed Critical Southwest Jiaotong University
Priority to CN201810313526.3A priority Critical patent/CN108507526B/en
Publication of CN108507526A publication Critical patent/CN108507526A/en
Application granted granted Critical
Publication of CN108507526B publication Critical patent/CN108507526B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/32Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/16Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
    • G01B7/22Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in capacitance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/16Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
    • G01B7/24Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in magnetic properties
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00Measuring inclination, e.g. by clinometers, by levels

Abstract

A kind of foundation pit deformation measuring device and its measurement method, the measuring device includes steel wire, spring, obliquity sensor, displacement sensor, upper mounted plate and bottom plate, fixed plate is fixed on foundation pit side-wall upper edge and perpendicular to foundation pit side-wall, the bottom of foundation ditch close to foundation pit side-wall is fixed in the steel wire bottom end, bottom plate is fixed at the top of steel wire and perpendicular to steel wire, one end of spring and displacement sensor is connect with bottom plate upper surface, the lower surface connection of the other end and upper mounted plate of spring and displacement sensor;The coefficient of elasticity of the spring is 1~2N/mm;The obliquity sensor is fixed on steel wire top, is placed perpendicular to steel wire, can be used for the deflection angle of measuring steel wire;Before measurement starts, spring and steel wire are pre-tightened, and steel wire and spring is made to be in vertical tensional state.The device can replace the measurement methods such as existing total powerstation, save human cost.

Description

A kind of foundation pit deformation measuring device and its measurement method
Technical field
The present invention relates to a kind of measuring device and measuring method that can monitor foundation pit deformation in real time, belong to foundation pit deformation measurement Field.
Background technology
With the continuous propulsion of urbanization process, the space availability ratio of modern city is higher and higher, the congestion phenomenon in city Increasingly severe, the utilization of urban underground space become the inexorable trend of urban development.Underground parking, market place builet below the ground and The a large amount of underground space such as subterranean tunnel utilizes the excavation phenomenon for essential underground deep basal pit occur.
Reduce the horizontal supporting force of the soil body after excavation of foundation pit, the precipitation of excavation of foundation pit causes level of ground water reduction and hole outer Water level is uneven, and generation differential water pressures are larger, makes the factors such as weight stress increase in soil that may lead to periphery Important building There is lateral deformation, inclination, displacement, or even cracking in object and land subsidence, influence important building and personnel, construction safety;This Outside, it is contemplated that the absolute of base pit engineering cannot be completely secured in existing Foundation Pit Support Design method and geological conditions, supporting scheme Safety.Therefore, monitoring foundation pit construction is very necessary to the safety of periphery important building and personnel and base pit engineering itself 's.
The method that pit retaining monitoring largely uses at present is total station instrument coordinate method of changing.Total station instrument coordinate method of changing is in base Several differential reference points are arranged in the arbitrary stable and firm place cheated outside construction infection, on differential reference point and distortion monitoring points Permanent reflecting prism is installed.The three-dimensional coordinate that each point is observed in a survey station direction is arbitrarily set according to the shape of foundation pit.Using more The data of secondary observation are after difference and adjustment, the benchmark as later Deformation Monitor Data Processing.By daily one or several weeks Phase carries out horizontal displacement and the observation of vertical displacement three-dimensional;Since being observed second, each survey station not sum the last time It overlaps, but differential reference point must be utilized to measure the survey station three-dimensional coordinate that this is measured.Thereafter, meter calculates this each prison Measuring point coordinate value.Difference compensating computation goes out each monitoring point in the deformation values of horizontal displacement both direction and sedimentation Direction distortion Value, the i.e. deformation values of three-dimensional.Different margin of foundation pit shapes are pressed again, and by the shift value in 3 dimension directions, value is converted into foundation pit Edge normal direction horizontal displacement value and vertical sedimentation value.
Requirement of the pit retaining monitoring to data precision and monitoring frequency is all higher, although the operation letter of total station instrument coordinate method of changing It is single, but due to being manual operation, needing staff, one or several periods are observed daily, and the amount of labour is very big, no It can realize and measure in real time, and be also easy to produce measurement error.Moreover, total station instrument coordinate method of changing can only measure the horizontal displacement of foundation pit, It is unable to measure the Vertical Settlement of foundation pit, and the Vertical Settlement of foundation pit is also highly important safety index.In the city of modernization In construction, these disadvantages bring the security risk of deep foundation pit construction, and not perfect due to these detecting systems has resulted in Many engineering accidents.Therefore, it studies, design efficient, precise and stable, the real-time foundation pit deformation monitoring technology of one kind as ability Field technique personnel technical barrier in the urgent need to address.
Invention content
The object of the present invention is to provide a kind of measuring device of foundation pit deformation and its measurement methods.The foundation pit measurement device and Measurement method can efficient, precise and stable, monitoring foundation pit deformation.
The present invention realizes that its goal of the invention provides firstly a kind of foundation pit deformation measuring device, including steel wire, spring, inclination angle Sensor, displacement sensor, upper mounted plate and bottom plate, fixed plate are fixed on foundation pit side-wall upper edge and vertical In foundation pit side-wall, the bottom of foundation ditch close to foundation pit side-wall is fixed in the steel wire bottom end, bottom plate be fixed at the top of steel wire and Perpendicular to steel wire, one end of spring and displacement sensor is connect with bottom plate upper surface, spring and displacement sensor it is another End is connect with the lower surface of upper mounted plate;The coefficient of elasticity of the spring is 1~2N/mm;The obliquity sensor is fixed on steel Silk top, places perpendicular to steel wire, can be used for the deflection angle of measuring steel wire;Before measurement starts, spring and steel wire are carried out pre- Tightly, and steel wire and spring is made to be in vertical tensional state.
Further, displacement sensor of the present invention includes magnetostrictive displacement sensor, rod-pulling type straight-line displacement sensing Device and capacitive displacement transducer.
Magneto strictive sensor possesses high-precision, can bear high temperature, high pressure and strong vibration;It is run without abrasion, stability is good. Rod-pulling type linear displacement transducer, small, easy for installation, output signal diversification, precision is high, fast response time.Condenser type Linear displacement transducer, simple in structure, high temperature resistant, radiation hardness, high resolution, dynamic response characteristic are good, of low cost.Through reality It tests, above-mentioned three kinds of displacement sensors are applied to for accurate to the measurement measurement result of vertical displacement in this measuring device, installation Convenient, suitability is strong.
Invention realizes that its goal of the invention additionally provides the above-mentioned foundation pit deformation measuring device of two kinds of uses and carried out to foundation pit deformation The method of measurement, one of which method are:In real time measured by angle value θ and displacement sensor measured by monitoring obliquity sensor Shift value d, and according to the horizontal displacement X and vertical displacement Y of measured angle value θ and shift value d judgement foundation pits, specifically sentence The method of determining is:
If angle value θ ≠ 0, shift value d >=0 then judges θ/360 ° foundation pit only occurred level displacement X, X=2 π h*, In, h is initial foundation depth;
If angle value θ=0, shift value d ≠ 0 then judges that vertical displacement Y, Y=d only occur for foundation pit;
If angle value θ ≠ 0, shift value d < 0 then judge that horizontal displacement X had not only had occurred in foundation pit, but also vertical position have occurred Move Y, θ/360 ° horizontal displacement X=2 π (h-d) *, vertical displacement Y=d, wherein h is initial foundation depth.
Another method is:Displacement measured by angle value θ and displacement sensor measured by monitoring obliquity sensor in real time Value d, and according to the horizontal displacement X and vertical displacement Y of measured angle value θ and shift value d judgement foundation pits, specific judgement side Method is:
If angle value θ ≠ 0, shift value d >=0 then judges foundation pit only occurred level displacement X, X=h*tan θ, wherein h For initial foundation depth;
If angle value θ=0, shift value d ≠ 0 then judges that vertical displacement Y, Y=d only occur for foundation pit;
If angle value θ ≠ 0, shift value d < 0 then judge that horizontal displacement X had not only had occurred in foundation pit, but also vertical position have occurred Move Y, horizontal displacement X=(h-d) * tan θ, vertical displacement Y=d, wherein h is initial foundation depth.
The principle of the present invention is:
If angle value θ ≠ 0, shift value d >=0 then judges foundation pit only occurred level displacement X, because when foundation pit only occurs When horizontal displacement, foundation pit side-wall top edge can be driven spring and steel wire that entirety occurs by upper mounted plate and be deflected, and steel wire bottom end Fixed, so the deflection relative to vertical direction can occur for steel wire, the angle that obliquity sensor is shown is rotation angle θ.Steel Silk deflection may will produce very small stretching, can be neglected (d >=0).Due to horizontal displacement and foundation depth h It is small compared to very, so horizontal displacement X can be acquired by θ/360 ° arc length formula X=2 π h* approximation, sine can also be passed through Formula approximation acquires horizontal displacement X, X=h*tan θ.
When vertical displacement (Excavation Settlement) occurs for foundation pit, steel wire and the whole deformation in vertical direction of spring are concentrated in bullet The vertical displacement of foundation pit can be obtained so by the stroke of displacement sensor spring in spring part.If angle value θ= 0, shift value d ≠ 0 then judges that vertical displacement only occurs for foundation pit, by the stroke of displacement sensor spring, base can be obtained The vertical displacement Y, Y=d in hole;D is the measured value of displacement sensor.
If angle value θ ≠ 0, shift value d < 0 then judge that horizontal displacement X had not only had occurred in foundation pit, but also vertical position have occurred Move Y.The horizontal displacement X of foundation pit is acquired by arc length formula, and θ/360 ° X=2 π (h-d) * can also be asked by sine formula approximation , X=h*tan θ vertical displacements Y=d, wherein h is initial foundation depth.
It is computed, uses precision for 0.01 ° of obliquity sensor, when foundation depth is 15 meters, above two measurement side Measurement accuracy of the method in horizontal displacement is 2.5mm or so.The early warning value detected needed for 15 meters of foundation pits in engineering is 3mm, therefore, This measuring device complies fully with foundation pit measurement request.The measurement accuracy of vertical displacement depends on displacement sensor, can be as needed It selects.
Compared with prior art, the advantageous effect of above-mentioned foundation pit deformation measuring device is:
One, the device can replace the measurement methods such as existing total powerstation, greatly reduce the working strength of staff, save Human cost, accuracy of detection is high, at low cost;Data can intuitively be showed testing staff by obliquity sensor measurement, it is right Testing staff requires without profession;And can develop to form remote auto monitoring, without staff to field monitoring.
Two, by being used cooperatively obliquity sensor and displacement sensor, horizontal displacement and vertical displacement amount can be measured in real time, And it can judge displacement type and displacement data, the deflection of comprehensive judgement foundation pit in all directions according to measurement data.
Four, selecting coefficient of elasticity to be the spring of 1~2N/mm can both ensure that spring and steel wire can be fully pre- when original state Tightly, steel wire and spring entirety run-off the straight when foundation pit side-wall upper edge generates horizontal displacement, to be measured using obliquity sensor Angle calculates the horizontal displacement of foundation pit side-wall upper edge;When can ensure that vertical displacement (Excavation Settlement) occurs for foundation pit again, steel Silk and the whole deformation in vertical direction of spring are concentrated in spring section, can pass through the flexible of displacement sensor spring Amount, obtains the vertical displacement of foundation pit.
Description of the drawings
Fig. 1 is general arrangement schematic of the embodiment of the present invention.
Fig. 2 is the enlarged diagram of part A in Fig. 1.
Fig. 3 is the principle schematic that the embodiment of the present invention measures Foundation Pit X by arc length formula.
Fig. 4 is the principle schematic that the embodiment of the present invention measures Foundation Pit X by sine formula.
Fig. 5 is the principle schematic that the embodiment of the present invention measures foundation pit vertical displacement Y.
Fig. 6 is the principle signal that the embodiment of the present invention measures Foundation Pit X and vertical displacement Y by arc length formula Figure.
Fig. 7 is the principle signal that the embodiment of the present invention measures Foundation Pit X and vertical displacement Y by sine formula Figure.
In figure, M indicates foundation pit side-wall.
Specific implementation mode
Embodiment
Fig. 1 and Fig. 2 shows a kind of, foundation pit deformation measuring device, including steel wire (1), spring (2), obliquity sensor (3), Displacement sensor (4), upper mounted plate (5) and bottom plate (6), fixed plate (5) are fixed on foundation pit side-wall upper edge And perpendicular to foundation pit side-wall;The bottom of foundation ditch close to foundation pit side-wall is fixed in steel wire (1) bottom end, and bottom plate (6) is fixed on steel At the top of silk (1) and perpendicular to steel wire (1), one end of spring (2) and displacement sensor (4) is connect with bottom plate (6) upper surface, The other end of spring (2) and displacement sensor (4) is connect with the lower surface of upper mounted plate (5);The elasticity system of the spring (2) Number is 1~2N/mm;The obliquity sensor (3) is fixed on steel wire (1) top, is placed perpendicular to steel wire (1), can be used for measuring The deflection angle of steel wire (1);Before measurement starts, spring (2) and steel wire (1) are pre-tightened, and make steel wire (1) and spring (2) In vertical tensional state.
Displacement sensor described in this example (4) include magnetostrictive displacement sensor, rod-pulling type linear displacement transducer and Capacitive displacement transducer.
The size of spring 2 described in this example is:Outer diameter 8mm, length 30mm, the thick 1mm of spring wire.
A kind of measurement method of foundation pit deformation measuring device described above is:In real time measured by monitoring obliquity sensor 3 Shift value d measured by angle value θ and displacement sensor 4, and foundation pit is judged according to measured angle value θ and shift value d Horizontal displacement X and vertical displacement Y, specific determination method are:
If angle value θ ≠ 0, shift value d >=0 then judges θ/360 ° foundation pit only occurred level displacement X, X=2 π h*, In, h is initial foundation depth;
If angle value θ=0, shift value d ≠ 0 then judges that vertical displacement Y, Y=d only occur for foundation pit;
If angle value θ ≠ 0, shift value d < 0 then judge that horizontal displacement X had not only had occurred in foundation pit, but also vertical position have occurred Move Y, θ/360 ° horizontal displacement X=2 π (h-d) *, vertical displacement Y=d, wherein h is initial foundation depth.
Another measurement method of foundation pit deformation measuring device described above is:Monitoring obliquity sensor 3 is surveyed in real time The shift value d measured by angle value θ and displacement sensor 4 is obtained, and foundation pit is judged according to measured angle value θ and shift value d Horizontal displacement X and vertical displacement Y, specific determination method be:
If angle value θ ≠ 0, shift value d >=0 then judges foundation pit only occurred level displacement X, X=h*tan θ, wherein h For initial foundation depth;
If angle value θ=0, shift value d ≠ 0 then judges that vertical displacement Y, Y=d only occur for foundation pit;
If angle value θ ≠ 0, shift value d < 0 then judge that horizontal displacement X had not only had occurred in foundation pit, but also vertical position have occurred Move Y, horizontal displacement X=(h-d) * tan θ, vertical displacement Y=d, wherein h is initial foundation depth.
Fig. 3 to Fig. 7 is the principle schematic that above two measurement method measures the horizontal displacement X of foundation pit, vertical displacement Y. 1 top of original state steel wire is fixed on by spring 2 at the p points of foundation pit side-wall top edge upper mounted plate 5, and 1 bottom of steel wire is fixed In o points;Op=h at this time, h are the initial depth of foundation pit.
If angle value θ ≠ 0, shift value d >=0 then judges foundation pit only occurred level displacement X, because when foundation pit only occurs When horizontal displacement, foundation pit side-wall top edge can drive spring 2 and steel wire 1 to occur relative to vertical side by the way that upper mounted plate 5 is whole To deflection, 2 top of spring is moved to q points, and the angle that obliquity sensor 3 is shown is deflection angle θ.1 deflection of steel wire Very small stretching may be will produce, can be neglected (d >=0).As shown in figure 3, due to horizontal displacement and foundation depth h It is small compared to very, so horizontal displacement can be acquired by θ/360 ° arc length formula X=2 π h* approximation.As shown in figure 4, can also Horizontal displacement X is acquired by sine formula:X=h*tan θ.
When vertical displacement (Excavation Settlement) occurs for foundation pit, steel wire 1 and the whole deformation in vertical direction of spring 2 are concentrated in The vertical displacement of foundation pit can be obtained so measuring the stroke of spring 2 by displacement sensor 4 in 2 part of spring.Such as Fig. 5 institutes Show, if angle value θ=0, shift value d ≠ 0 then judges that vertical displacement only occurs for foundation pit, and spring is measured by displacement sensor 4 The vertical displacement Y, Y=d of foundation pit can be obtained in 2 stroke;D is the measured value of displacement sensor 4.
If angle value θ ≠ 0, shift value d < 0 then judge that horizontal displacement X had not only had occurred in foundation pit, but also vertical position have occurred Move Y.As shown in Fig. 6, the horizontal displacement X of foundation pit is acquired by arc length formula, θ/360 ° X=2 π (h-d) *, vertical displacement Y= D, wherein h is initial foundation depth.As shown in fig. 7, horizontal displacement X can also be acquired by sine formula:X=(h-d) * Tan θ, vertical displacement Y=d, wherein h is initial foundation depth.

Claims (4)

1. a kind of foundation pit deformation measuring device, including steel wire (1), spring (2), obliquity sensor (3), displacement sensor (4), on Fixed plate (5) and bottom plate (6), fixed plate (5) are fixed on foundation pit side-wall upper edge and perpendicular to foundation pit side-wall; The bottom of foundation ditch close to foundation pit side-wall is fixed in steel wire (1) bottom end, bottom plate (6) be fixed at the top of steel wire (1) and perpendicular to One end of steel wire (1), spring (2) and displacement sensor (4) is connect with bottom plate (6) upper surface, spring (2) and displacement sensing The other end of device (4) is connect with the lower surface of upper mounted plate (5);The coefficient of elasticity of the spring (3) is 1~2N/mm;It is described to incline Angle transducer (3) is fixed on reinforcing bar (1) top, is placed perpendicular to steel wire (1), can be used for the deflection angle of measuring steel wire (1);It surveys Before amount starts, spring (2) and steel wire (1) are pre-tightened, and steel wire (1) and spring (2) is made to be in vertical tensional state.
2. a kind of foundation pit deformation measuring device according to claim 1, it is characterised in that:Institute's displacement sensors (4) wrap Include magnetostrictive displacement sensor, rod-pulling type linear displacement transducer and capacitive displacement transducer.
3. a kind of measurement method of any foundation pit deformation measuring systems of claim 1-2, it is characterised in that:Monitoring in real time Shift value d measured by angle value θ and displacement sensor (4) measured by obliquity sensor (3), and according to measured angle value θ and shift value d judges that the horizontal displacement X of foundation pit and vertical displacement Y, specific determination method are:
If angle value θ ≠ 0, shift value d >=0 then judges θ/360 ° foundation pit only occurred level displacement X, X=2 π h*, wherein h For initial foundation depth;
If angle value θ=0, shift value d ≠ 0 then judges that vertical displacement Y, Y=d only occur for foundation pit;
If angle value θ ≠ 0, shift value d < 0 then judge that horizontal displacement X had not only had occurred in foundation pit, but also vertical displacement Y have occurred, θ/360 ° horizontal displacement X=2 π (h-d) *, vertical displacement Y=d, wherein h is initial foundation depth.
4. a kind of measurement method of any foundation pit deformation measuring systems of claim 1-2, it is characterised in that:Monitoring in real time Shift value d measured by angle value θ and displacement sensor (4) measured by obliquity sensor (3), and according to measured angle value θ and shift value d judges that the horizontal displacement X of foundation pit and vertical displacement Y, specific determination method are:
If angle value θ ≠ 0, shift value d >=0 then judges foundation pit only occurred level displacement X, X=h*tan θ, wherein h is first Beginning foundation depth;
If angle value θ=0, shift value d ≠ 0 then judges that vertical displacement Y, Y=d only occur for foundation pit;
If angle value θ ≠ 0, shift value d < 0 then judge that horizontal displacement X had not only had occurred in foundation pit, but also vertical displacement Y have occurred, Horizontal displacement X=(h-d) * tan θ, vertical displacement Y=d, wherein h is initial foundation depth.
CN201810313526.3A 2018-04-10 2018-04-10 Foundation pit deformation measuring device and measuring method thereof Active CN108507526B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810313526.3A CN108507526B (en) 2018-04-10 2018-04-10 Foundation pit deformation measuring device and measuring method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810313526.3A CN108507526B (en) 2018-04-10 2018-04-10 Foundation pit deformation measuring device and measuring method thereof

Publications (2)

Publication Number Publication Date
CN108507526A true CN108507526A (en) 2018-09-07
CN108507526B CN108507526B (en) 2020-07-17

Family

ID=63381103

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810313526.3A Active CN108507526B (en) 2018-04-10 2018-04-10 Foundation pit deformation measuring device and measuring method thereof

Country Status (1)

Country Link
CN (1) CN108507526B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019196771A1 (en) * 2018-04-10 2019-10-17 成都柏森松传感技术有限公司 System and method for measuring deformation of foundation pit
CN111438344A (en) * 2019-01-16 2020-07-24 宝山钢铁股份有限公司 Measuring device and measuring method for hot roll gap of hydraulic fan-shaped section of continuous casting machine
CN111879288A (en) * 2020-07-21 2020-11-03 浙江虎跃建设有限公司 Engineering supervision safety monitoring system
CN112160308A (en) * 2020-10-30 2021-01-01 北京住总第六开发建设有限公司 Excavation measuring device for earthwork foundation pit in building construction
CN112813824A (en) * 2020-12-31 2021-05-18 江苏中路工程技术研究院有限公司 Device and method for monitoring relative vertical deformation rate between ribs of steel bridge deck system
CN113309110A (en) * 2021-06-07 2021-08-27 重庆海发工程项目管理咨询有限公司 Automatic monitoring system and method for foundation pit displacement
CN114908818A (en) * 2022-05-31 2022-08-16 河南五建建设集团有限公司 Foundation pit deformation observation device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314063A (en) * 2014-10-13 2015-01-28 上海建工集团股份有限公司 Real-time detection and control system and method for displacement and deformation of foundation pit support body
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
CN105937898A (en) * 2016-06-29 2016-09-14 武汉长澳大地工程有限公司 Fully-intelligent inclination measuring device and inclination measuring method
KR20160131518A (en) * 2015-05-07 2016-11-16 조주현 A three-dimensional displacement measuring device having a length displacement measuring
CN205712221U (en) * 2016-04-14 2016-11-23 广州市建筑科学研究院有限公司 A kind of foundation ditch deeply mixing cement-soil pile and the monitoring device of Vertical Settlement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314063A (en) * 2014-10-13 2015-01-28 上海建工集团股份有限公司 Real-time detection and control system and method for displacement and deformation of foundation pit support body
KR20160131518A (en) * 2015-05-07 2016-11-16 조주현 A three-dimensional displacement measuring device having a length displacement measuring
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
CN205712221U (en) * 2016-04-14 2016-11-23 广州市建筑科学研究院有限公司 A kind of foundation ditch deeply mixing cement-soil pile and the monitoring device of Vertical Settlement
CN105937898A (en) * 2016-06-29 2016-09-14 武汉长澳大地工程有限公司 Fully-intelligent inclination measuring device and inclination measuring method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019196771A1 (en) * 2018-04-10 2019-10-17 成都柏森松传感技术有限公司 System and method for measuring deformation of foundation pit
CN111438344A (en) * 2019-01-16 2020-07-24 宝山钢铁股份有限公司 Measuring device and measuring method for hot roll gap of hydraulic fan-shaped section of continuous casting machine
CN111438344B (en) * 2019-01-16 2021-11-12 宝山钢铁股份有限公司 Measuring device and measuring method for hot roll gap of hydraulic fan-shaped section of continuous casting machine
CN111879288A (en) * 2020-07-21 2020-11-03 浙江虎跃建设有限公司 Engineering supervision safety monitoring system
CN111879288B (en) * 2020-07-21 2022-04-22 浙江虎跃建设有限公司 Engineering supervision safety monitoring system
CN112160308A (en) * 2020-10-30 2021-01-01 北京住总第六开发建设有限公司 Excavation measuring device for earthwork foundation pit in building construction
CN112813824A (en) * 2020-12-31 2021-05-18 江苏中路工程技术研究院有限公司 Device and method for monitoring relative vertical deformation rate between ribs of steel bridge deck system
CN113309110A (en) * 2021-06-07 2021-08-27 重庆海发工程项目管理咨询有限公司 Automatic monitoring system and method for foundation pit displacement
CN114908818A (en) * 2022-05-31 2022-08-16 河南五建建设集团有限公司 Foundation pit deformation observation device
CN114908818B (en) * 2022-05-31 2023-02-14 河南五建建设集团有限公司 Foundation pit deformation observation device

Also Published As

Publication number Publication date
CN108507526B (en) 2020-07-17

Similar Documents

Publication Publication Date Title
CN108507526A (en) A kind of foundation pit deformation measuring device and its measurement method
CN108519044A (en) A kind of measuring system and measurement method of foundation pit deformation
TWI262289B (en) Optical-fiber raster double-bearing type inclination sensor for sensing stratum displacement
CN105890537A (en) Distributed fiber optic sensing technology and system for monitoring of deformation of high arch dam
CN101629799B (en) Non-intervisibility high and steep side slope deformation monitoring method and device thereof
AU2007312250B2 (en) Method of detecting a lateral boundary of a reservoir
US20110161008A1 (en) Land settlement measuring apparatus and system
CN108517872A (en) A kind of measurement method of foundation pit deformation
CN106959095A (en) Geology internal displacement three-dimension monitor system and its Embedded installation method, measuring method
CN105180795A (en) Rock and soil mass deformation measurement method and instrument system based on deviation survey and Hall effect
KR101620278B1 (en) Apparatus for detecting sink hole and ground settlement using embeded sensing part
CN103674065B (en) Sliding-type clinometer detection device
Jeng et al. Interpretation of slope displacement obtained from inclinometers and simulation of calibration tests
CN205785182U (en) A kind of soft soil base sedimentation sensor based on fiber grating sensing technology
CN105043611B (en) A kind of swelled ground lateral swelling force in-situ testing device
CN201540087U (en) Non-visibility deformation monitoring device for high inclination slope
CN109556524A (en) Fracture width based on Fiber Bragg Grating technology monitors system and method
CN110029648A (en) A kind of deep settlement measurement device and application method for deep Backfill Foundation
CN111608213A (en) Method and device for measuring horizontal displacement of foundation pit supporting pile
KR20030079504A (en) Device and method for measuring ground subsidence
KR20090105555A (en) Apparatus for measuring sinking valve having settlement rod with staff and one-man measuring method using the same
CN108050986B (en) The method for determining Rock And Soil internal rupture face position is monitored based on multipoint displacement meter
CN207923106U (en) A kind of foundation pit deformation measuring device
CN211954245U (en) Equipment for monitoring landslide depth and internal stress
CN115478567A (en) Tunnel open excavation construction monitoring method with underground track penetrating upwards and adjacent to peripheral buildings

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Yong Yuan

Inventor after: He Zhengqi

Inventor after: Li Panzhao

Inventor after: Gao Yuanzhu

Inventor after: Zhang Zhongrui

Inventor before: Yong Yuan

Inventor before: Li Panzhao

Inventor before: He Zhengqi

Inventor before: Gao Yuanzhu

Inventor before: Zhang Zhongrui

CB03 Change of inventor or designer information
GR01 Patent grant
GR01 Patent grant