CN1532547A - Detector for solibody in-situ hole pressure and affecting depth under wave action - Google Patents
Detector for solibody in-situ hole pressure and affecting depth under wave action Download PDFInfo
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- CN1532547A CN1532547A CNA031120504A CN03112050A CN1532547A CN 1532547 A CN1532547 A CN 1532547A CN A031120504 A CNA031120504 A CN A031120504A CN 03112050 A CN03112050 A CN 03112050A CN 1532547 A CN1532547 A CN 1532547A
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Abstract
The monitor includes one measuring rod comprising sleeve, front end cone tip resistance sensor, side friction resistance sensor and back porous water pressure sensor; and one corresponding data acquiring device. It features the porous water pressure sensors, which are set on joint, connected to sleeves on two ends via joints and laid on long measuring rod; and one resistivity sensor installed on the joint. The monitor in the said structure may be used in monitoring the variation of pressure inside soil hole under the action of wave and affecting depth of waves in different amplitude for the analysis of soil body stability. In addition, the measurement of the resistivity in the different depth of soil body with the resistivity sensor makes it possible to analyze the corrosion of soil to submarine pipeline and other engineering and to provide scientific reference for determining the buried depth.
Description
Technical field
The present invention relates to the measurement mechanism of the physico-mechanical properties of the water-bed soil body, specifically the soil in-situ hole is pressed and is influenced depth monitor under the wave action.
Background technology
The wave period load action produce excess pore water pressure (being called for short the hole presses) in the soil body, but accumulation hole pressure is covered with efficacy above on the soil body, and unstability will take place the soil body, will produce the geologic hazard phenomenon, and marine engineering normal construction and operation are worked the mischief.Existing static sounding and pore pressure gauge equipment, monitoring is pressed in the hole that is widely used in marine soil property classification, layering and dam body, but only limit to the hole, top layer for seafloor soil and press observation, and can not layering observe, therefore also can't detect the degree of depth that influences of different big rips; In addition, also lack the mensuration of on-the-spot soil body resistance parameter, this parameter is to determine an important indicator of soil corrosivity, and is closely related with the mission life of seabed engineering structures (as subsea pipeline).
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide under a kind of wave action of monitoring the excess pore water pressure that wave different depth place in the soil body produces the soil in-situ hole to press and influence depth monitor.
Another object of the present invention is when monitoring soil body endoporus is pressed, can also monitor the degree of depth that influences of the big or small wave of difference, and the resistivity of testing the different depth soil body simultaneously is to determine the corrosivity of soil to pipeline, structure base.
On the basis of prior art, this device includes measuring staff and the corresponding automated data acquisition device that the pore water pressure sensor of static point resistance sensor, side friction sensor and the postpone thereof of sleeve and leading section is formed, and it is characterized in that it also comprises with the alternate a plurality of pore water pressure sensors that are laid on the long measuring staff of joint; On above-mentioned corresponding joint, also laid soil body resistivity sensor, so that the resistivity of the while and the in-site measurement soil body.
Description of drawings
Fig. 1 long measuring staff general structure synoptic diagram of the present invention
Fig. 2 multiple signals data set of the present invention electrical schematic diagram
Embodiment
Measuring staff and corresponding data acquisition device that the pore water pressure sensor 3 of the present invention after by static point resistance sensor 1, side friction sensor 2 and the position thereof of sleeve 6 and leading section formed, it is characterized in that it also comprises is arranged on the joint 5, and be laid in a plurality of pore water pressure sensors 3 on the long measuring staff with joint 5 coupling sleeves 6, these are mainly with the pressure transducer 3 of the alternate layout of length sleeve, not only can press by the layering measured hole, also can monitor the degree of depth that influences of the big or small wave of difference.As another embodiment,, a resistivity sensor 4 also can be installed, on joint 5 so that soil body resistance parameter also can be measured simultaneously in the scene except a pore water pressure sensor 3 is installed; Consider drawing of multiway cable, be provided with the end connector 7 in a tape cable hole 8 on the measuring staff top, cable aperture 8 is outlets of multiple signals cable.Above-mentioned pore water pressure sensor can adopt the piezoresistive transducer of band stainless steel isolation diaphragm etc., and guaranteeing that technically drift is little, precision is high and carry out quick kinetic measurement.
As Fig. 2, multi-path data collecting device is a core with the AT89C52 single chip microcomputer, handle traffic pilot and static point resistance sensor 1 respectively from a plurality of pore water pressure sensors 3, three road converters of side friction sensor 2 and resistivity sensing 4, (if the above two are only arranged, then be two road converters) respectively each road signal is taken turns to switch, be only existing circuit-switched data harvester less to be improved to multi-path data collecting device and to sketch.
The present invention who constructs thus can not only monitor under the wave action different depth soil body endoporus and press, and can also monitor the degree of depth that influences of different big rips, with and soil body resistivity.
Claims (2)
1, the soil in-situ hole is pressed and is influenced depth monitor under the wave action, the measuring staff and the corresponding data acquisition device that have the pore water pressure sensor (3) behind static point resistance sensor (1), side friction sensor (2) and the position thereof of sleeve (6) and leading section to form, it is characterized in that it also comprises is arranged on the joint (5), and connects and be laid in a plurality of pore water pressure sensors (3) on the long measuring staff with joint (5) sleeve (6).
2, the soil in-situ hole is pressed and is influenced depth monitor under the wave action as claimed in claim 1, it is characterized in that also installing on joint (5) resistivity sensor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03112050 CN1234012C (en) | 2003-03-25 | 2003-03-25 | Detector for solibody in-situ hole pressure and affecting depth under wave action |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03112050 CN1234012C (en) | 2003-03-25 | 2003-03-25 | Detector for solibody in-situ hole pressure and affecting depth under wave action |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1532547A true CN1532547A (en) | 2004-09-29 |
| CN1234012C CN1234012C (en) | 2005-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03112050 Expired - Fee Related CN1234012C (en) | 2003-03-25 | 2003-03-25 | Detector for solibody in-situ hole pressure and affecting depth under wave action |
Country Status (1)
| Country | Link |
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| CN (1) | CN1234012C (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100516872C (en) * | 2005-12-12 | 2009-07-22 | 中国石化集团胜利石油管理局钻井工艺研究院 | In-situ monitoring device for liquefaction of seabed soil |
| CN1790017B (en) * | 2005-12-12 | 2011-10-12 | 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 |
| CN102680168A (en) * | 2012-06-13 | 2012-09-19 | 水利部交通运输部国家能源局南京水利科学研究院 | Method for recording pore water pressure mutation process during disaster and monitoring device thereof |
| CN103088850A (en) * | 2013-01-17 | 2013-05-08 | 东南大学 | Cycle friction sleeve barrel device for evaluating periodic load pile side friction |
| CN103174122A (en) * | 2012-08-27 | 2013-06-26 | 东南大学 | Lateral stress pore pressure probe used for testing soil static lateral pressure coefficient |
| CN103233453A (en) * | 2013-04-18 | 2013-08-07 | 天津大学 | In-situ soil exploration device and in-situ soil exploration method |
| CN104880973A (en) * | 2015-06-08 | 2015-09-02 | 成都欧迅海洋工程装备科技有限公司 | Intelligent operation control system of in-situ pore water collection column |
| CN105424760A (en) * | 2015-11-23 | 2016-03-23 | 西南林业大学 | Calibration method for soil resistivity and soil water content of rocky mountainous area |
| CN106223305A (en) * | 2016-07-28 | 2016-12-14 | 东南大学 | A kind of automatic consideration energy correction and the dynamic driving instrument of dynamic response |
| CN109827702A (en) * | 2018-10-12 | 2019-05-31 | 上海港湾工程质量检测有限公司 | Pore pressure gauge and pore water pressure force test device |
| CN114235247A (en) * | 2021-11-19 | 2022-03-25 | 温州大学 | Amphibious acquisition fixing device for acquiring physical and mechanical parameters of soil bodies at different depths and using method thereof |
-
2003
- 2003-03-25 CN CN 03112050 patent/CN1234012C/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1790017B (en) * | 2005-12-12 | 2011-10-12 | 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 |
| CN100516872C (en) * | 2005-12-12 | 2009-07-22 | 中国石化集团胜利石油管理局钻井工艺研究院 | In-situ monitoring device for liquefaction of seabed soil |
| CN102680168B (en) * | 2012-06-13 | 2013-11-06 | 水利部交通运输部国家能源局南京水利科学研究院 | Method for recording pore water pressure mutation process during disaster and monitoring device thereof |
| CN102680168A (en) * | 2012-06-13 | 2012-09-19 | 水利部交通运输部国家能源局南京水利科学研究院 | Method for recording pore water pressure mutation process during disaster and monitoring device thereof |
| CN103174122A (en) * | 2012-08-27 | 2013-06-26 | 东南大学 | Lateral stress pore pressure probe used for testing soil static lateral pressure coefficient |
| CN103174122B (en) * | 2012-08-27 | 2015-07-15 | 东南大学 | Lateral stress pore pressure probe used for testing soil static lateral pressure coefficient |
| CN103088850A (en) * | 2013-01-17 | 2013-05-08 | 东南大学 | Cycle friction sleeve barrel device for evaluating periodic load pile side friction |
| CN103233453A (en) * | 2013-04-18 | 2013-08-07 | 天津大学 | In-situ soil exploration device and in-situ soil exploration method |
| CN103233453B (en) * | 2013-04-18 | 2015-08-19 | 天津大学 | A kind of original position soil body surveying method |
| CN104880973A (en) * | 2015-06-08 | 2015-09-02 | 成都欧迅海洋工程装备科技有限公司 | Intelligent operation control system of in-situ pore water collection column |
| CN105424760A (en) * | 2015-11-23 | 2016-03-23 | 西南林业大学 | Calibration method for soil resistivity and soil water content of rocky mountainous area |
| CN106223305A (en) * | 2016-07-28 | 2016-12-14 | 东南大学 | A kind of automatic consideration energy correction and the dynamic driving instrument of dynamic response |
| CN109827702A (en) * | 2018-10-12 | 2019-05-31 | 上海港湾工程质量检测有限公司 | Pore pressure gauge and pore water pressure force test device |
| CN114235247A (en) * | 2021-11-19 | 2022-03-25 | 温州大学 | Amphibious acquisition fixing device for acquiring physical and mechanical parameters of soil bodies at different depths and using method thereof |
| CN114235247B (en) * | 2021-11-19 | 2024-04-09 | 温州大学 | Amphibious soil body physical and mechanical parameter acquisition fixing equipment with different depths and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1234012C (en) | 2005-12-28 |
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