CN108627231A - A kind of pile foundation method for detecting vibration - Google Patents
A kind of pile foundation method for detecting vibration Download PDFInfo
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- CN108627231A CN108627231A CN201810466378.9A CN201810466378A CN108627231A CN 108627231 A CN108627231 A CN 108627231A CN 201810466378 A CN201810466378 A CN 201810466378A CN 108627231 A CN108627231 A CN 108627231A
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- detection
- vibration
- pile foundation
- data
- vialog
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
A kind of pile foundation method for detecting vibration detects, it is characterised in that include the following steps under the conditions of pile foundation operation carries out：A, it determines pile foundation vibration effect range, b, avoids the detection object natural frequency of vibration, c, configuration pile foundation vibration detection device, d, several detection points of setting, f, e, each detection time for detecting point of setting open Vibration Meter instrument switch key, g, detection data processing.The pile foundation method for detecting vibration of the present invention has instrument and equipment exquisite, it is easy to carry, with computer good compatibility, inspection environment is of less demanding, it detects within full-automatic 24 hours, Data Detection is reliable and stable, data that can simultaneously under detection speed, acceleration, displacement Three models, it can be achieved to mutually convert between data, the advantage that equipment detection range is big and rate of precision is high.
Description
Technical field
The present invention relates to a kind of method for detecting vibration, specifically, being a kind of pile foundation method for detecting vibration.
Background technology
As engineering vibration measuring technology constantly develops, engineering vibration measuring provides many technical supports and method.But optimize
Evaluation method is still the key for determining vibration measuring quality with means of testing and determining suitable computation model.Previous engineering vibration measuring
Only single Data Detection, the data accuracy that vibration measuring comes out is low, and the point bit quantity detected is few, and vibration measuring method complicates,
The data reliability that detected is insufficient.
Therefore known vibration measuring method there are problems that it is above-mentioned various inconvenient and.
Invention content
The purpose of the present invention is to propose a kind of safe and reliable pile foundation method for detecting vibration.
To achieve the above object, technical solution of the invention is：
A kind of pile foundation method for detecting vibration detects, it is characterised in that include the following steps under the conditions of pile foundation operation carries out：
A, pile foundation vibration effect range is determined
Communication exchange is carried out with owner technical staff, incorporates experience into and estimates pile foundation vibration effect range with example, from vibration shadow
It rings at volume edges, from the near to the distant, using gradually exclusive method, finds vibration safety range；
B, the detection object natural frequency of vibration is avoided
Advisory facility manufacturer, searches detection object natural frequency of vibration data, and pile foundation vibration detection section needs avoid detection pair
As the natural frequency of vibration；
C, pile foundation vibration detection device is configured
Several monitoring sites are selected, in monitoring site ground punching hole, bar planting agent is poured into hole, riveting is inserted into bar planting agent
Nail；Vialog is provided, one end of vialog top top probe interface connects magnetic probe, and magnetic probe is placed in rivet surface,
The USB interface of vialog side connects computer, and computer is equipped with vibration analyzer TestRS232（Cn）Software；
D, several detection points are set
Several detection points are set in detection data collection, so that each detection point is sequentially formed a circle, is worked out to each detection point
Serial number；
E, the detection time of each detection point is set
Detection time is detected for round-the-clock 24 hours automatically with detecting 300 data as one group；
F, Vibration Meter instrument switch key is opened, speed, acceleration, displacement Three models are selected；
G, detection data is handled
After the completion of detection, computer is automatically handled data, obtains speed, displacement, acceleration information.
The pile foundation method for detecting vibration of the present invention can also be further achieved by the following technical measures.
Method above-mentioned, wherein described hole are the impact drilling, hole depth 50mm, aperture 30mm；
Method above-mentioned, wherein the detection precision ＜ 5% of the vialog.
Method above-mentioned, wherein the acceleration of the vialog, speed, displacement detecting frequency range are 10HZ-10kHZ.
Method above-mentioned automatically records number wherein the detection of the vialog can carry out round-the-clock automatic detection in 24 hours
According to table, document, line chart, peak value figure diversified forms display detection data.
After adopting the above technical scheme, the pile foundation method for detecting vibration of the present invention has the following advantages：
1, instrument and equipment is exquisite, easy to carry, with computer good compatibility；
2, inspection environment is of less demanding, detects within full-automatic 24 hours；
3, Data Detection is reliable and stable, data that can simultaneously under detection speed, acceleration, displacement Three models, can between data
Realization mutually converts；
4, the acceleration of equipment detection, speed, displacement range numerical value are 10HZ-10kHZ, and range is big, and rate of precision is high.
Description of the drawings
Fig. 1 is the pile foundation vibration detection device configuration schematic diagram of the embodiment of the present invention；
Fig. 2 is that the analog vibration of the embodiment of the present invention calculates coverage model schematic.
In figure：1 bar planting agent, 2 rivets, 3 magnetic probes, 4 vialogs, 5 computers, 6 computer display screens, 7 vibration analyzers are soft
Part, 8 vialog display screens, 9 peak value keys, 10 mode keys, 11 frequency keys, 12 on ＆ off switches, 13 ground, 14 holes, 15 magnetic probes
Interface, 16USB interfaces.
Specific implementation mode
With reference to embodiments and its attached drawing illustrates further the present invention.
Embodiment 1
The detection method of the pile foundation vibration of the present invention, includes the following steps：
In use, determine that pile foundation vibration effect range and owner technical staff carry out communication exchange first, incorporate experience into and example
Pile foundation vibration effect range is estimated, from vibration effect volume edges, from the near to the distant, using gradually exclusive method, finds vibration
Safe range.
Advisory facility manufacturer, searches detection object natural frequency of vibration data, and pile foundation vibration detection section needs are avoided examining
Survey the object natural frequency of vibration.
It chooses and is detected measurement equipment or building periphery monitoring point, detection point needs to take surrounding to surround detection object
Form.Processing is numbered to point, subject to 5 meters of point interval, object is detected until surrounding.Detection point is bored by impact drill
Hole is embedded to rivet 2 with bar planting agent 1, realizes comprehensive encirclement detection.
It is the pile foundation vibration detection device configuration schematic diagram of the embodiment of the present invention referring now to Fig. 1, Fig. 1.As shown, institute
Usb 16 connection upper computer 5 of the VM6320 types vialog 4 by right side is stated, computer 5 installs vibration analyzer
TestRS232（Cn）Software 7,4 top top magnetic probe interface 15 of vialog connect magnetic probe 3.Detection time is with every group
Subject to three minutes detection times, vialog instrument switch key mapping 12 is opened, selects speed, acceleration, displacement Three models key 10
And 11 range of vibration measuring frequency key, peak value key 9 can also be used to detect peak-data.Pile foundation operation generate conduct vibrations to detect
Point is captured by magnetic probe 3, is then delivered to vialog, acquired by vialog.While vialog gathered data, dynamic
The data of detection can be shown in vialog display screen 8, and be transferred to the vibration analyzer on computer 5 by usb 16
TestRS232（Cn）Software 7, vibration analyzer TestRS232（Cn）Software 7 shows data histograms.Detection operation is necessary
It is detected under conditions of pile foundation operation carries out.
Fig. 2 is that the analog vibration of the embodiment of the present invention calculates coverage model schematic.After the completion of detection, to data into
Row processing.Obtained speed, displacement, acceleration data histograms, can mutually convert, while other unit can also be converted into
Data.Conversion from acceleration to speed：Speed=A/2 π f（A is displacement, and f is piling frequency）= 0.994m /2πf（If beaten
Stake frequency is 10Hz）= 0.994m /（2 * 3.14 * 10）=0.0162m=1.62cm/s frequencies are higher, and speed is faster.
If frequency is 50Hz, velocity amplitude=1.62/5=0.324cm/sec.
The present embodiment uses the vialog of Shanghai Shuan Xu Electronics Co., Ltd.s manufacture.Vialog technical parameter is as follows：
Product type：VM-6320
Bandpass filter
Acceleration：10Hz-1KHz, 0.1-200m/ms2.
10Hz-10KHz, 0.1-200m/ms2.
Speed：10Hz-1KHz, 0.1-200mm/s.
Displacement：10Hz-1KHz, 0.001-2.0mm.
Accuracy：＜ 5%.
With RS232C interfaces.
Use environment：Temperature：0-40 DEG C, application:For cycle movement measure, with detect movable machinery imbalance and
Deviate.Various mechanical oscillation are measured to be quality control, run time and prior plant maintenance provide data.
The present invention has substantive distinguishing features and significant technological progress, and pile foundation method for detecting vibration of the invention can be accurate
It grasps and analysis pile foundation is vibrated, have displacement, speed, acceleration Three models, a variety of data display modes can be very intuitive
Finding out influences caused by pile foundation vibration.The present invention is using multidigit multiple points and items data monitoring method to Adjacent Buildings because of vibration
And tracking and testing, it is recorded using corresponding equipment and instrument by the whole process of the vibration in pile foundation construction is comprehensive.From
And problem key can be caught, it solves the problems, such as, it is ensured that engineering is smoothed out, cost-effective cost, promotes project progress, is protected
Demonstrate,prove neighbouring building normal operation.
Above example is used for illustrative purposes only rather than limitation of the present invention, the technology people in relation to technical field
Member, without departing from the spirit and scope of the present invention, can also make various transformation or variation.Therefore, all equivalent
Technical solution should also belong to scope of the invention, should be limited by each claim.
Claims (5)
1. a kind of pile foundation method for detecting vibration detects, it is characterised in that include the following steps under the conditions of pile foundation operation carries out：
A, pile foundation vibration effect range is determined
Communication exchange is carried out with owner technical staff, incorporates experience into and estimates pile foundation vibration effect range with example, from vibration shadow
It rings at volume edges, from the near to the distant, using gradually exclusive method, finds vibration safety range；
B, the detection object natural frequency of vibration is avoided
Advisory facility manufacturer, searches detection object natural frequency of vibration data, and pile foundation vibration detection section needs avoid detection pair
As the natural frequency of vibration；
C, pile foundation vibration detection device is configured
Several monitoring sites are selected, in monitoring site ground punching hole, bar planting agent is poured into hole, riveting is inserted into bar planting agent
Nail；Vialog is provided, one end of vialog top top probe interface connects magnetic probe, and magnetic probe is placed in rivet surface,
The USB interface of vialog side connects computer, and computer is equipped with vibration analyzer TestRS232（Cn）Software；
D, several detection points are set
Several detection points are set in detection data collection, so that each detection point is sequentially formed a circle, is worked out to each detection point
Serial number；
E, the detection time of each detection point is set
Detection time is detected for round-the-clock 24 hours automatically with detecting 300 data as one group；
F, Vibration Meter instrument switch key is opened, speed, acceleration, displacement Three models are selected；
G, detection data is handled
After the completion of detection, computer is automatically handled data, obtains speed, displacement, acceleration information.
2. pile foundation method for detecting vibration as described in claim 1, which is characterized in that described hole is the impact drilling, hole depth
50mm, aperture 30mm.
3. pile foundation method for detecting vibration as described in claim 1, which is characterized in that the detection precision ＜ of the vialog
5%。
4. pile foundation method for detecting vibration as described in claim 1, which is characterized in that the acceleration of the vialog, speed, position
It is 10HZ-10kHZ to move detection frequency range.
5. pile foundation method for detecting vibration as described in claim 1, which is characterized in that it is small that the detection of the vialog can carry out 24
When round-the-clock automatic detection, automatically record data, there are table, document, line chart, peak value figure diversified forms to show testing number
According to.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810466378.9A CN108627231A (en) | 2018-05-16 | 2018-05-16 | A kind of pile foundation method for detecting vibration |
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|---|---|---|---|
| CN201810466378.9A CN108627231A (en) | 2018-05-16 | 2018-05-16 | A kind of pile foundation method for detecting vibration |
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| CN108627231A true CN108627231A (en) | 2018-10-09 |
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Citations (6)
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| JP2003322557A (en) * | 2002-04-26 | 2003-11-14 | Kawasaki Heavy Ind Ltd | Vibration detecting method and vibration detecting sensor |
| CN101936956A (en) * | 2010-07-05 | 2011-01-05 | 天津大学 | Monitoring system and method of arch dam |
| CN101957601A (en) * | 2009-07-21 | 2011-01-26 | 上海宝冶工程技术有限公司 | Safety monitoring and integrated control system for large and complex structural construction process |
| CN104652501A (en) * | 2015-02-11 | 2015-05-27 | 交通运输部公路科学研究所 | Pile foundation quality detection device and pile foundation quality detection method of shock excitation in pile side prospect hole |
| CN206090647U (en) * | 2016-06-08 | 2017-04-12 | 武广铁路客运专线有限责任公司 | Pile foundation detection equipment |
| CN107121271A (en) * | 2017-05-11 | 2017-09-01 | 北京工业大学 | A kind of experimental method for recognizing heavy machine tool foundation modal parameter |
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2018
- 2018-05-16 CN CN201810466378.9A patent/CN108627231A/en active Pending
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| JP2003322557A (en) * | 2002-04-26 | 2003-11-14 | Kawasaki Heavy Ind Ltd | Vibration detecting method and vibration detecting sensor |
| CN101957601A (en) * | 2009-07-21 | 2011-01-26 | 上海宝冶工程技术有限公司 | Safety monitoring and integrated control system for large and complex structural construction process |
| CN101936956A (en) * | 2010-07-05 | 2011-01-05 | 天津大学 | Monitoring system and method of arch dam |
| CN104652501A (en) * | 2015-02-11 | 2015-05-27 | 交通运输部公路科学研究所 | Pile foundation quality detection device and pile foundation quality detection method of shock excitation in pile side prospect hole |
| CN206090647U (en) * | 2016-06-08 | 2017-04-12 | 武广铁路客运专线有限责任公司 | Pile foundation detection equipment |
| CN107121271A (en) * | 2017-05-11 | 2017-09-01 | 北京工业大学 | A kind of experimental method for recognizing heavy machine tool foundation modal parameter |
Non-Patent Citations (4)
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| 史慧杰: "强夯施工振动监测与夯后地基处理效果振动测试研究", 《中国优秀博硕士学位论文全文数据库(硕士) 工程科技Ⅱ辑》 * |
| 朱德才: "打桩地面振动对房屋结构影响的评价", 《山西建筑》 * |
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Application publication date: 20181009 |