CN101799295B - An electronic sounder - Google Patents
An electronic sounder Download PDFInfo
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- CN101799295B CN101799295B CN2010101223969A CN201010122396A CN101799295B CN 101799295 B CN101799295 B CN 101799295B CN 2010101223969 A CN2010101223969 A CN 2010101223969A CN 201010122396 A CN201010122396 A CN 201010122396A CN 101799295 B CN101799295 B CN 101799295B
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- long rod
- pressure measurement
- pressure measuring
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- depth sounder
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
本发明涉及一种电子测深仪，其特征在于：它包括一长杆和一数据采集器，长杆的下端部设置为尖角形，长杆侧壁上还间隔设置有两个土压力测量单元和一个渗压力测量单元，两土压力测量单元和渗压力测量单元的输出端经线缆并联后，连接到数据采集器的输入端。本发明由于采用在长杆侧壁上间隔设置两个土压力测量单元和一个渗压力测量单元，各压力测量单元的输出端经线缆并联后，连接到数据采集器的输入端，由数据采集器测量作用在各压力测量单元上的压力值，因此不仅能实现对被测海床和河床冲刷深度及最大冲刷深度的实时监测，也能测量回淤的过程。本发明可以广泛应用于测量各种建筑结构物周围水下河床或海床的冲刷情况。
The invention relates to an electronic depth sounder, which is characterized in that it includes a long rod and a data collector, the lower end of the long rod is set in a pointed shape, and two earth pressure measuring units are arranged at intervals on the side wall of the long rod and an osmotic pressure measurement unit, the output ends of the two soil pressure measurement units and the osmotic pressure measurement unit are connected in parallel to the input end of the data collector after being connected in parallel by cables. In the present invention, two earth pressure measurement units and one osmotic pressure measurement unit are arranged at intervals on the side wall of the long rod, and the output ends of each pressure measurement unit are connected to the input end of the data collector after being connected in parallel by cables, and the The instrument measures the pressure value acting on each pressure measuring unit, so it can not only realize the real-time monitoring of the scour depth and the maximum scour depth of the measured seabed and river bed, but also measure the process of back-silting. The invention can be widely used in measuring the scouring conditions of underwater river beds or sea beds around various building structures.
Description
Technical field
The present invention relates to a kind of surveying instrument, particularly be used for about a kind of that sea bed or river-bed scouring depth etc. wash away the electronic bathymeter of situation under the various buildings ambient water of Measuring Oceanic or river.
Background technology
At present, in monitoring ocean or river around bridge pier, man-made island, harbour, harbour, the groynes etc. under water soil layer wash away situation the time, sounding gear commonly used has Sounding Rod, gauge bob, sonic echo depth finder, laser depth sounder or electromagnetism slipping ring sounder etc.Wherein, be the manual sounding gear of representative with Sounding Rod, gauge bob, its efficiency of measurement is lower, and receives the influence of many factors such as the depth of water, flow velocity, rubble and ice slush easily, uses comparatively inconvenience; Sonic echo depth finder and laser depth sounder have higher measuring accuracy, but when sediment concentration greatly perhaps had ice slush, floating thing, its measuring accuracy can receive quite significantly influence, and the price of sonic echo depth finder and laser depth sounder is higher relatively; And electromagnetism slipping ring sounder can only record the maximal value of washing away, and can't measure the process that silt back-silts.In safety monitoring fields such as bridges; When limiting scour takes place; This waters, place often is accompanied by higher outstanding husky concentration and more floating thing, and scour depth changes in time, and deficiency is separately all arranged when above various device is used in these areas.
Summary of the invention
To the problems referred to above, the purpose of this invention is to provide a kind of can realize to scour depth monitor in real time, measuring accuracy is higher, easy to use and reliable and can realize the back-silt electronic bathymeter of process of measurement silt.
For realizing above-mentioned purpose; The present invention takes following technical scheme: a kind of electronic bathymeter; It is characterized in that: it comprises a stock and a data acquisition unit, and the bottom of said stock is set to pointed shape, also is arranged at intervals with two soil pressure measuring units and a consolidation pressure measuring unit on the said stock sidewall; The output terminal of said two soil pressure measuring units and consolidation pressure measuring unit is connected to the input end of said data acquisition unit after the cable parallel connection.
It is inner that said two soil pressure measuring units and consolidation pressure measuring unit are arranged on said stock, and the outside surface of said two soil pressure measuring units and consolidation pressure measuring unit is concordant with the outer wall of said stock.
Said two soil pressure measuring units and consolidation pressure measuring unit fixedly are sticked at said stock outside surface; And below said two soil pressure measuring units and consolidation pressure measuring unit; The wedge shape bloom that fixedly is sticked respectively on the outside surface of said stock, the thick of said wedge shape bloom is identical with each said pressure measurement cell thickness.
On the said stock sidewall, said consolidation pressure measuring unit be arranged between the said two soil pressure measuring units or be arranged on said two soil pressure measuring units above or below.
Said stock adopts solid construction or hollow-core construction; Said stock adopts the member of steel pipe, girder steel or reinforced concrete to process; The length of said stock is between 1m～60m.
Said cable is arranged on said stock inside or is arranged on the said stock outer wall surface.
Said two soil pressure measuring units and consolidation pressure measuring unit all adopt piezoelectric sensor, differential resistance type sensor, vibrating string type sensor or grating fibers formula sensor.
The present invention is owing to take above technical scheme; It has the following advantages: 1, the present invention is arranged at intervals with two soil pressure measuring units and a consolidation pressure measuring unit owing to being employed on the stock sidewall; The output terminal of two soil pressure measuring units and consolidation pressure measuring unit is after the cable parallel connection; Be connected to the input end of data acquisition unit; Therefore act on the force value on each pressure measurement cell by the data acquisition unit measurement, can not only realize real-time monitoring, also the energy measurement process of back-silting tested sea bed and river-bed scouring depth and limiting scour.2, the present invention is because the two soil pressure measuring units and the consolidation pressure measuring unit that adopt not only can be arranged on stock inside; Can also fixedly be sticked at the outside surface of stock; And below each pressure measurement cell; One the thickest the wedge shape bloom identical with each pressure measurement cell that fixedly is sticked respectively on the outside surface of stock can back down earth to guarantee electronic bathymeter of the present invention wedge shape bloom when the work, prevents that each pressure measurement cell is impaired.3, the present invention is because the cable that adopts can be arranged on stock inside; Also can be arranged on the stock outer wall surface; And the length of stock can be set according to the use needs; Therefore can realize not receiving the influence of factors such as current, silt and floating thing, under usual and mal-condition,, improve measuring accuracy of the present invention the measurement of tested position scour depth.4, the present invention is because the two soil pressure measuring units and the consolidation pressure measuring unit that adopt can all adopt piezoelectric sensor, differential resistance type sensor, vibrating string type sensor or grating fibers formula sensor; And the consolidation pressure measuring unit be arranged between the two soil pressure measuring units or be arranged on two soil pressure measuring units above or below, therefore further improved measuring accuracy of the present invention.The present invention can be widely used in measuring the situation of washing away of riverbed under the various building structure ambient water or sea bed.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention
Fig. 2 is that each pressure measurement cell of the present invention is arranged on the stock schematic internal view
Fig. 3 is that each pressure measurement cell of the present invention is arranged on stock outside surface synoptic diagram
Embodiment
Carry out detailed description below in conjunction with accompanying drawing and embodiment to of the present invention.
As shown in Figure 1, the present invention includes a stock 1 and a data acquisition unit 2, stock 1 adopts solid construction or hollow-core construction, and the bottom of stock 1 is set to pointed shape 3, squeezes into tested sea bed or riverbed during with convenient construction.Also be arranged at intervals with two soil pressure measuring units 4 and a consolidation pressure measuring unit 5 on stock 1 sidewall; The output terminal of two soil pressure measuring units 4 and consolidation pressure measuring unit 5 is after cable 6 parallel connections; Be connected to the input end of data acquisition unit 2, and then realize measurement tested sea bed or river-bed scouring depth.
In the foregoing description, two soil pressure measuring units 4 and consolidation pressure measuring unit 5 can be arranged on the inside of stock 1, and the outside surface concordant with the outer wall of stock 1 (as shown in Figure 2) of two soil pressure measuring units 4 and consolidation pressure measuring unit 5; Two soil pressure measuring units 4 also can fixedly be sticked at the outside surface of stock 1 with consolidation pressure measuring unit 5; And below two soil pressure measuring units 4 and consolidation pressure measuring unit 5; A wedge shape bloom 7 (as shown in Figure 3) fixedly is sticked respectively on the outside surface of stock 1; The thick of wedge shape bloom 7 is identical with each pressure measurement cell thickness, can back down earth to guarantee electronic bathymeter of the present invention wedge shape bloom 7 when working, and prevents that each pressure measurement cell is impaired.
In the foregoing description, stock 1 can adopt the member of steel pipe, girder steel or reinforced concrete to process.The length of stock 1 is between 1m～60m, and the length of adjustment stock 1 can be set according to the difference of the measured target degree of depth.
In the foregoing description, on stock 1 sidewall, consolidation pressure measuring unit 5 can be arranged between the two soil pressure measuring units 4 (as shown in Figure 3), also can be arranged on top (as shown in Figure 2) or below (as shown in Figure 1) of two soil pressure measuring units 4.
In the foregoing description, cable 6 can be arranged on stock 1 inside, also can be arranged on stock 1 outer wall surface.
In the foregoing description, two soil pressure measuring units 4 can all adopt piezoelectric sensor with consolidation pressure measuring unit 5, also can all adopt differential resistance type sensor or vibrating string type sensor or grating fibers formula sensor.
The present invention squeezes into stock 1 in tested sea bed or the riverbed in use, guarantee that a soil pressure measuring unit 4 elevations that are positioned at stock 1 the top will be lower than the bed surface elevation 8 (as shown in Figure 1) after washing away.Can measure the force value that acts on two soil pressure measuring units 4 and the consolidation pressure measuring unit 5 through data acquisition unit 2; Because the pressure that two soil pressure measuring units 4 measure is for the general pressure of soil and water, so the force value of utilizing two soil pressure measuring units 4 to record can calculate the density feature of saturated soil layer between two measuring units.The water pressure value of utilizing consolidation pressure measuring unit 5 to record again just can be obtained pure soil pressure value, thereby tries to achieve the soil thickness of measuring unit top, and the degree of depth is washed.
Above-mentioned each embodiment only is used to explain the present invention, and wherein the structure of each parts, connected mode etc. all can change to some extent, and every equivalents of on the basis of technical scheme of the present invention, carrying out and improvement all should not got rid of outside protection scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101223969A CN101799295B (en) | 2010-03-11 | 2010-03-11 | An electronic sounder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101223969A CN101799295B (en) | 2010-03-11 | 2010-03-11 | An electronic sounder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101799295A CN101799295A (en) | 2010-08-11 |
| CN101799295B true CN101799295B (en) | 2012-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101223969A Expired - Fee Related CN101799295B (en) | 2010-03-11 | 2010-03-11 | An electronic sounder |
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| CN (1) | CN101799295B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102004824B (en) * | 2010-11-08 | 2013-10-23 | 北京交通大学 | Numerical method for real-time prediction of general scour of cross-river bridges |
| TWI629456B (en) | 2014-12-01 | 2018-07-11 | 財團法人國家實驗研究院 | Environment monitoring system and vibration sensing device |
| CN105133669B (en) * | 2015-07-01 | 2017-01-18 | 上海港湾工程质量检测有限公司 | Integrated installation device and method for soil pressure meter and osmometer on barrel-type foundation structure |
| CN108253881B (en) * | 2018-01-18 | 2020-05-05 | 华侨大学 | A kind of offshore oil platform pile foundation scour pit shape measuring device and using method |
| CN111947583A (en) * | 2020-06-23 | 2020-11-17 | 武汉华创北斗技术有限公司 | Distributed soil thickness change recorder |
| CN111562290B (en) * | 2020-07-08 | 2025-04-29 | 中建四局第三建设有限公司 | A sludge solidification in-situ integrated testing device and on-site application method thereof |
| CN112146587B (en) * | 2020-09-11 | 2022-06-21 | 张东昱 | Bridge foundation scouring monitoring sensor and monitoring data analysis method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1250983C (en) * | 2001-09-27 | 2006-04-12 | 乔西拉公司 | In situ determination of soil liquefaction propensity and method of preventing it by electroosmosis |
| EP1673311A1 (en) * | 2003-10-01 | 2006-06-28 | Electrokinetic Limited | Dewatering treatment system and method |
| CN101482477A (en) * | 2009-02-23 | 2009-07-15 | 东南大学 | Test device and method for concrete permeability coefficient under action of pulling stress |
-
2010
- 2010-03-11 CN CN2010101223969A patent/CN101799295B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1250983C (en) * | 2001-09-27 | 2006-04-12 | 乔西拉公司 | In situ determination of soil liquefaction propensity and method of preventing it by electroosmosis |
| EP1673311A1 (en) * | 2003-10-01 | 2006-06-28 | Electrokinetic Limited | Dewatering treatment system and method |
| CN101482477A (en) * | 2009-02-23 | 2009-07-15 | 东南大学 | Test device and method for concrete permeability coefficient under action of pulling stress |
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| Publication number | Publication date |
|---|---|
| CN101799295A (en) | 2010-08-11 |
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Granted publication date: 20120328 Termination date: 20160311 |