CN105571931A - Multifunctional underwater dynamic penetration and in-situ test device - Google Patents
Multifunctional underwater dynamic penetration and in-situ test device Download PDFInfo
- Publication number
- CN105571931A CN105571931A CN201510945574.0A CN201510945574A CN105571931A CN 105571931 A CN105571931 A CN 105571931A CN 201510945574 A CN201510945574 A CN 201510945574A CN 105571931 A CN105571931 A CN 105571931A
- Authority
- CN
- China
- Prior art keywords
- testing device
- situ testing
- device under
- multifunctional water
- water according
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a multifunctional underwater dynamic penetration and in-situ test device. The device mainly comprises three parts, wherein a metal shell sealing chamber (1) is arranged at the upper part of the device; a probing rod (2) is arranged in the middle of the device; a multifunctional penetration instrument (3) is arranged at the lower part of the device; the upper part consists of an external data interface (4), a gradiograph (5), a cable hanging hole (6), a data storage chip (7), a microprocessor (8), a power supply (9), a double-shaft accelerometer (10), a temperature sensor (11) and a penetration test data receiving module (12); a hole pressure filter ring (14) is located between a friction cylinder (13) and a probe (15). The multifunctional underwater dynamic penetration and in-situ test device has the characteristics of in situ, multiple functions, high automation degree and the like; the survey process is convenient, rapid, accurate and economic, and rapid and valid test parameters can be provided for the survey and design of offshore geotechnical engineering.
Description
Technical field
The present invention relates to a kind of for injection in-situ testing device dynamic under the multifunctional water of coastal waters on-the-spot test soil body mechanical characteristic, belong to a kind of in Geotechnical Engineering field can the semi-automatic in-situ testing device of seabed, dynamic test coastal waters ultra-soft soil mechanics characteristic.
Background technology
The mechanical characteristic of submarine surface ultra-soft soil is more and more important for the development in exploitation deep water hydrocarbon field.Meanwhile, it also increases day by day for the importance of deep water regional geology Disaster Assessment (particularly benthic minimizing).Usually, marine bottom sediment have that matter is soft, normal consolidation, fine-grained sediment, surface strength low (< 20kPa) and increase the feature of (1 ~ 2kPa/m) along with the intensity of the degree of depth.This causes obtaining high-quality soil sample and carries out that shop experiment is very difficult and cost is higher, the data making the determination of design parameter depend on on-the-spot in-situ test more to obtain.
Hole pressure touching methods (CPTU) test in ultra-soft soil survey data precision may reduce with sea water advanced increase.This part measuring accuracy of incremental loading ultra-soft soil penetration resistance being caused due to (1) seabed high-pressure environment reduces, and (2) unequal-area effect and upper overburden layer pressure are on the impact of penetration resistance.Traditional static seabed hole pressure touching methods is generally based on seabed framework technology, and have equipment heavy, testing procedure is long, and required supporting ship's condition is high, the shortcomings such as testing expense is large.
The present invention is based on conventional hole pressure touching methods probe, propose a kind of dynamic aperture pressure hole pressure touching methods proving installation with original position, multi-functional, automaticity high, make exploration process easily and fast, accurately, economical, effective and rapid test parameter with low cost can be provided for the design of coastal waters exploration of geotechnical engineering.
Summary of the invention
Technical matters: the technical problem to be solved in the present invention is heavy for its equipment of traditional static seabed hole pressure touching methods, length consuming time, required complementary conditions difficulty, high in cost of production problem, propose a kind of can the semi-automatic hole pressure original position feeler inspection device of seabed, dynamic test coastal waters ultra-soft soil mechanics characteristic.Utilize this proving installation fast and effeciently can measure the engineering mechanical properties of seabed ultra-soft soil, and carry out the collection of data, process, storage work voluntarily.
Technical scheme: under a kind of multifunctional water of the present invention, dynamic injection in-situ testing device is made up of three parts, and top is metal shell closed chamber; Middle part is feeler lever; Bottom is multi-functional penetrometer, and metal shell closed chamber is provided with external data interface and cable hanging hole, is provided with tiltmeter, data storing chip and microprocessor at closed chamber internal upper part; Middle part is provided with power supply; Bottom is provided with twin-axis accelerometer, temperature sensor and injection test data receiver module; Feeler lever bottom connects multi-functional penetrometer, and multi-functional penetrometer comprises friction cylinder, hole press filtration ring and probe; Hole press filtration ring is positioned at the junction of friction cylinder and probe, pops one's head in identical with feeler lever diameter.
Metal shell closed chamber shell is steel, and overall top is cylindrical long 70cm, diameter 20cm, and bottom is truncated cone-shaped, high 20cm, upper diameter 20cm, lower diameter 4.43cm.
Described tiltmeter: drift angle measurement range: 0 ° ~ 15 °; Measuring accuracy is ± 0.1 °; Corner resolution is 0.01 °.
The processing speed >40Hz of microprocessor and data storing chip.
Direct supply, standard output voltage 5V, output current 100mA.
Twin-axis accelerometer, range is respectively ± 1.7g, ± 18g, ± 70g, sensitivity 1000mV/g, 1000mV/g, 27V/g.
The cone angle of circular cone probe is 60 °, and cone basal cross section amasss as 15cm
2, friction cylinder surface area is 180cm
2.
Hole press filtration ring thickness is 5mm, and the useful area ratio of probe is 0.8.
This in-situ testing device Validity Test degree of depth <500m, static point resistance range is 25MPa, and side friction strength journey is 0.25MPa, and pore water pressure range is 1MPa.
Beneficial effect: the invention solves its equipment of traditional static seabed hole pressure touching methods heavy, length consuming time, required complementary conditions difficulty, high in cost of production problem, can easily and fast, accurately, measure the engineering mechanics property of seabed ultra-soft soil at low cost, and carry out the collection of data, process, storage work voluntarily.For exploration of geotechnical engineering design in coastal waters provides the test parameter of effective and rapid economy.
Accompanying drawing explanation
Fig. 1 is component arrangement figure of the present invention;
Wherein have: metal shell closed chamber 1, feeler lever 2, multi-functional penetrometer 3, external data interface 4, tiltmeter 5, cable hanging hole 6, data storing chip 7, microprocessor 8, power supply 9, twin-axis accelerometer 10, temperature sensor 11, injection test data receiver module 12, friction cylinder 13, hole press filtration ring 14, circular cone probe 15
Embodiment
Multi-functional coastal waters of the present invention under water dynamic injection in-situ testing device comprises:
This device top is metal shell closed chamber 1; Middle part is feeler lever 2; Bottom is multi-functional penetrometer 3.Upper metal body seal room 1, comprises external data interface 4 and cable hanging hole 5, is provided with tiltmeter 6, data storing chip 7 and microprocessor 8 at closed chamber internal upper part; Middle part is provided with power supply 9; Bottom is provided with twin-axis accelerometer 10, temperature sensor 11, injection test data receiver module 12; Feeler lever 2 bottom connects friction cylinder 13 and probe 15; Hole press filtration ring 14 is positioned at friction cylinder 13 and the junction of probe 15, pops one's head in identical with feeler lever diameter.
During test, proving installation is connected with boats and ships through cable by cable hanging hole 5, directly proving installation is put into seawater with the speed of constant 2m/s freely vertical injection seabed.The velocity variations situation of the multi-functional penetrometer part 3 of proving installation in injection seabed ultra-soft soil process is obtained by the vertical component analysis of twin-axis accelerometer 10.And gather the multi-functional penetrometer 3 in bottom by injection test data receiver module 12 simultaneously, and by friction cylinder 13, hole press filtration ring 14 and static point resistance, side friction power and the pore water pressure of probe measured by 15.Simultaneously monitor to get rid of larger data affected by environment to external environment condition during test by tiltmeter 6 and temperature sensor 11.These data carry out collecting through microprocessor 8, analyze after be stored in data storing chip 7.Proving installation is taken out the water surface after test terminates, by external data interface 4, the data of process are extracted into PC end.
Proving installation upper metal body seal room, comprises external data interface and cable hanging hole.Air-tight casing steel, surface lacquer, thick 2.5cm.Overall top is cylindrical long 70cm, diameter 20cm, and bottom is truncated cone-shaped, high 20cm, upper diameter 20cm, lower diameter 4.43cm.
Tiltmeter: drift angle measurement range: 0 ° ~ 15 °; Measuring accuracy is ± 0.1 °; Corner resolution is 0.01 °.
Microprocessor and containing data storing chip, processing speed >40Hz.
Direct supply, standard output voltage 5V, output current 100mA.
Twin-axis accelerometer, range is respectively ± 1.7g, ± 18g, ± 70g, sensitivity 1000mV/g, 1000mV/g, 27V/g.
The cone angle of circular cone probe is 60 °, and cone basal cross section amasss as 15cm
2, friction cylinder (13) surface area is 180cm
2.
Hole press filtration ring thickness is 5mm, and the useful area ratio of probe is 0.8.
Proving installation Validity Test degree of depth <500m, static point resistance range is 25MPa, and side friction strength journey is 0.25MPa, and pore water pressure range is 1MPa.
This proving installation retains and improves the function (can survey static point resistance, side friction power, pore water pressure, inclination, temperature etc.) of common static static sounding, solve its equipment heavy, length consuming time, required complementary conditions difficulty, high in cost of production problem, can easily and fast, accurately, measure the engineering mechanics property of seabed ultra-soft soil at low cost, and carry out the collection of data, process, storage work voluntarily.For exploration of geotechnical engineering design in coastal waters provides the test parameter of effective and rapid economy.
Claims (9)
1. a dynamic injection in-situ testing device under multifunctional water, it is characterized in that this device is made up of three parts, top is metal shell closed chamber; Middle part is feeler lever; Bottom is multi-functional penetrometer, metal shell closed chamber (1) is provided with external data interface (4) and cable hanging hole (6), is provided with tiltmeter (5), data storing chip (7) and microprocessor (8) at closed chamber internal upper part; Middle part is provided with power supply (9); Bottom is provided with twin-axis accelerometer (10), temperature sensor (11) and injection test data receiver module (12); Feeler lever (2) bottom connects multi-functional penetrometer (3), and multi-functional penetrometer (3) comprises friction cylinder (13), hole press filtration ring (14) and probe (15); Hole press filtration ring (14) is positioned at the junction of friction cylinder (13) and probe (15), and probe (15) is identical with feeler lever (2) diameter.
2. dynamic injection in-situ testing device under multifunctional water according to claim 1, it is characterized in that metal shell closed chamber (1) shell is steel, overall top is cylindrical long 70cm, diameter 20cm, bottom is truncated cone-shaped, high 20cm, upper diameter 20cm, lower diameter 4.43cm.
3. dynamic injection in-situ testing device under multifunctional water according to claim 1, is characterized in that described tiltmeter (5): drift angle measurement range: 0 ° ~ 15 °; Measuring accuracy is ± 0.1 °; Corner resolution is 0.01 °.
4. dynamic injection in-situ testing device under multifunctional water according to claim 1, is characterized in that the processing speed >40Hz of microprocessor (8) and data storing chip (7).
5. dynamic injection in-situ testing device under multifunctional water according to claim 1, is characterized in that direct supply (9), standard output voltage 5V, output current 100mA.
6. dynamic injection in-situ testing device under multifunctional water according to claim 1, it is characterized in that twin-axis accelerometer (10), range is respectively ± 1.7g, ± 18g, ± 70g, sensitivity 1000mV/g, 1000mV/g, 27V/g.
7. dynamic injection in-situ testing device under multifunctional water according to claim 1, is characterized in that the cone angle of circular cone probe (15) is 60 °, and cone basal cross section amasss as 15cm
2, friction cylinder (13) surface area is 180cm
2.
8. dynamic injection in-situ testing device under multifunctional water according to claim 1, it is characterized in that hole press filtration ring (14) thickness is 5mm, the useful area ratio of probe is 0.8.
9. dynamic injection in-situ testing device under multifunctional water according to claim 1, it is characterized in that this in-situ testing device Validity Test degree of depth <500m, static point resistance range is 25MPa, and side friction strength journey is 0.25MPa, and pore water pressure range is 1MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510945574.0A CN105571931A (en) | 2015-12-16 | 2015-12-16 | Multifunctional underwater dynamic penetration and in-situ test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510945574.0A CN105571931A (en) | 2015-12-16 | 2015-12-16 | Multifunctional underwater dynamic penetration and in-situ test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105571931A true CN105571931A (en) | 2016-05-11 |
Family
ID=55882317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510945574.0A Pending CN105571931A (en) | 2015-12-16 | 2015-12-16 | Multifunctional underwater dynamic penetration and in-situ test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105571931A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053211A (en) * | 2016-07-21 | 2016-10-26 | 湖北泰和电气有限公司 | Ground intensity measurement device with level sensor |
| CN107505001A (en) * | 2017-08-29 | 2017-12-22 | 广州海洋地质调查局 | A kind of bottom sediment temperature and pressure in site measurement instrument and its data capture method |
| CN108152170A (en) * | 2017-12-27 | 2018-06-12 | 大连理工大学 | Free fall type spherical shape penetrometer with propeller |
| WO2019127110A1 (en) * | 2017-12-27 | 2019-07-04 | 大连理工大学 | Free falling type ball-shaped penetrometer with propeller |
| CN110512585A (en) * | 2019-08-16 | 2019-11-29 | 东南大学 | For evaluating the free fall type pore pressure dynamic sounding device of sea-bottom shallow soil characteristic |
| CN112461434A (en) * | 2020-09-27 | 2021-03-09 | 山东大学 | Full-sea-depth self-adaptive high-precision full-flow penetration spherical probe based on FBG (fiber Bragg Grating) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57123319A (en) * | 1981-01-22 | 1982-07-31 | Kiso Jiban Consultant Kk | Method and apparatus for subsurface exploration |
| US6208940B1 (en) * | 1998-03-30 | 2001-03-27 | The United States Of America As Represented By The Secretary Of The Navy | Cone tipped cylindrical probe for use in groundwater testing |
| JP2003149066A (en) * | 2001-11-12 | 2003-05-21 | Kajima Corp | Intrusion sensor for intrusion test |
| CN1790017A (en) * | 2005-12-12 | 2006-06-21 | 国家海洋局第一海洋研究所 | Multifunctional multi-channel detection rod for monitoring pore water pressure of seabed soil |
| CN101858075A (en) * | 2010-04-27 | 2010-10-13 | 东南大学 | Environmental static sounding probe for contaminated foundation soil |
| CA2689489A1 (en) * | 2009-12-31 | 2011-06-30 | Her Majesty The Queen, In Right Of Canada, As Represented By The Ministe R Of National Defence | Free fall cone penetrometer test |
| CN102174808A (en) * | 2011-02-24 | 2011-09-07 | 中国地质大学（武汉） | Piezocone penetration test (CPTU) prober of dual-deformed column |
| CN202899118U (en) * | 2012-10-30 | 2013-04-24 | 台州市建元工程勘察仪器有限公司 | Multifunctional static sounding data acquisition instrument |
| CN103410134A (en) * | 2013-07-09 | 2013-11-27 | 东南大学 | Conical probe for ocean under-consolidated soil pore water pressure testing |
| CN104164860A (en) * | 2014-08-12 | 2014-11-26 | 东南大学 | Gravity type pore pressure dynamic sounding device for seabed shallow soil |
-
2015
- 2015-12-16 CN CN201510945574.0A patent/CN105571931A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57123319A (en) * | 1981-01-22 | 1982-07-31 | Kiso Jiban Consultant Kk | Method and apparatus for subsurface exploration |
| US6208940B1 (en) * | 1998-03-30 | 2001-03-27 | The United States Of America As Represented By The Secretary Of The Navy | Cone tipped cylindrical probe for use in groundwater testing |
| JP2003149066A (en) * | 2001-11-12 | 2003-05-21 | Kajima Corp | Intrusion sensor for intrusion test |
| CN1790017A (en) * | 2005-12-12 | 2006-06-21 | 国家海洋局第一海洋研究所 | Multifunctional multi-channel detection rod for monitoring pore water pressure of seabed soil |
| CA2689489A1 (en) * | 2009-12-31 | 2011-06-30 | Her Majesty The Queen, In Right Of Canada, As Represented By The Ministe R Of National Defence | Free fall cone penetrometer test |
| CN101858075A (en) * | 2010-04-27 | 2010-10-13 | 东南大学 | Environmental static sounding probe for contaminated foundation soil |
| CN102174808A (en) * | 2011-02-24 | 2011-09-07 | 中国地质大学（武汉） | Piezocone penetration test (CPTU) prober of dual-deformed column |
| CN202899118U (en) * | 2012-10-30 | 2013-04-24 | 台州市建元工程勘察仪器有限公司 | Multifunctional static sounding data acquisition instrument |
| CN103410134A (en) * | 2013-07-09 | 2013-11-27 | 东南大学 | Conical probe for ocean under-consolidated soil pore water pressure testing |
| CN104164860A (en) * | 2014-08-12 | 2014-11-26 | 东南大学 | Gravity type pore pressure dynamic sounding device for seabed shallow soil |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053211A (en) * | 2016-07-21 | 2016-10-26 | 湖北泰和电气有限公司 | Ground intensity measurement device with level sensor |
| CN107505001A (en) * | 2017-08-29 | 2017-12-22 | 广州海洋地质调查局 | A kind of bottom sediment temperature and pressure in site measurement instrument and its data capture method |
| CN108152170A (en) * | 2017-12-27 | 2018-06-12 | 大连理工大学 | Free fall type spherical shape penetrometer with propeller |
| WO2019127110A1 (en) * | 2017-12-27 | 2019-07-04 | 大连理工大学 | Free falling type ball-shaped penetrometer with propeller |
| CN108152170B (en) * | 2017-12-27 | 2020-04-07 | 大连理工大学 | Free falling type spherical penetrometer with propeller |
| AU2017425530B2 (en) * | 2017-12-27 | 2020-04-16 | Dalian University Of Technology | Free fall ball penetrometer with a booster |
| US10962460B2 (en) | 2017-12-27 | 2021-03-30 | Dalian University Of Technology | Free fall ball penetrometer with a booster |
| CN110512585A (en) * | 2019-08-16 | 2019-11-29 | 东南大学 | For evaluating the free fall type pore pressure dynamic sounding device of sea-bottom shallow soil characteristic |
| CN110512585B (en) * | 2019-08-16 | 2021-05-14 | 东南大学 | Free-fall type hole pressure dynamic sounding device for evaluating characteristics of seabed shallow soil |
| CN112461434A (en) * | 2020-09-27 | 2021-03-09 | 山东大学 | Full-sea-depth self-adaptive high-precision full-flow penetration spherical probe based on FBG (fiber Bragg Grating) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105571931A (en) | Multifunctional underwater dynamic penetration and in-situ test device | |
| CN106480870B (en) | A kind of static sounding probe | |
| CN102900063B (en) | Dynamic pore-pressure static sounding probe for detecting sludge | |
| CN104164860A (en) | Gravity type pore pressure dynamic sounding device for seabed shallow soil | |
| CN103144751B (en) | A kind of beach shallow sea sediment strength in situ detection device and method | |
| CN103174122B (en) | Lateral stress pore pressure probe used for testing soil static lateral pressure coefficient | |
| CN103147432A (en) | Spherical hole-pressure static cone penetration probe for detecting sludge | |
| CN105353426A (en) | Seabed shallow-layer gas detection method based on MIP-CPT technology | |
| CN106053295A (en) | Gravity-type spherical dynamic penetration test apparatus for evaluating strength of clay | |
| CN107761694A (en) | A kind of underwater hole pressure touching methods probe | |
| CN110206007A (en) | A kind of bottom sediment in-situ testing device | |
| CN201901866U (en) | T-shaped contact detector applied to deep-sea seabed feature testing | |
| CN103061321A (en) | Cone penetrometer for evaluating penetration property of unsaturated soil | |
| CN103255757A (en) | Energy environment static sounding probe capable of measuring deep soil temperatures | |
| CN102520134B (en) | Environmental probe capable of in-situ testing pH value of soil body | |
| JP6425086B2 (en) | Underwater ground penetration depth measuring device | |
| CN103074880A (en) | Micro pore pressure static sounding probe for effectively identifying soil layer interface | |
| CN103410134B (en) | Conical probe for ocean under-consolidated soil pore water pressure testing | |
| Yang et al. | Acoustic prediction and risk evaluation of shallow gas in deep-water areas | |
| CN110158568B (en) | Dynamic calibration method for sounding probe coefficient | |
| CN107100214A (en) | Stake resistance simulation test device | |
| CN115980758A (en) | Mud line position tester integrated in seabed in-situ equipment and identification method | |
| Lu et al. | Offshore cone penetration test and its application in full water-depth geological surveys | |
| CN203361119U (en) | Energy environment static sounding probe capable of measuring temperature of deep soil | |
| CN105507225A (en) | Stoppable spherical cylindrical hole pressure probe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160511 |
|
| WD01 | Invention patent application deemed withdrawn after publication |