CN107764978A - A kind of gasbag-type tensometer and its application method - Google Patents
A kind of gasbag-type tensometer and its application method Download PDFInfo
- Publication number
- CN107764978A CN107764978A CN201711093738.7A CN201711093738A CN107764978A CN 107764978 A CN107764978 A CN 107764978A CN 201711093738 A CN201711093738 A CN 201711093738A CN 107764978 A CN107764978 A CN 107764978A
- Authority
- CN
- China
- Prior art keywords
- air bag
- tensometer
- type
- transverse annular
- gasbag
- 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
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
- G01N33/246—Earth materials for water content
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L21/00—Vacuum gauges
Abstract
The invention discloses a kind of gasbag-type tensometer and its application method, including：Vitrified-clay pipe, discharge, air bag and vacuum meter, vitrified-clay pipe connects discharge, vacuum meter is installed on discharge, the relevant position of gas collection tube wall sets fluted, air bag is placed in groove, the overall scalariform in a ring of air bag, it is divided into three layers of upper, middle and lower, respectively upper strata transverse annular air bag, middle level ring-type transverse direction air bag and lower floor's transverse annular air bag, by two vertical strip b air bag through connections between adjacent two layers transverse annular air bag, a vertical strip air bag a is met on the transverse annular air bag of upper strata, the vertical strip air bag a other ends install American valve cock.The tensometer of the present invention by being inflated into air bag, outwards heave by air bag, has effectively blocked surface water to insert in soil course the crack formed along device and has infiltrated path, ensure that the accuracy of measurement data to a high degree；Gasbag-type tensometer of the invention is simple in construction, cost is relatively low and easy to operate.
Description
Technical field
Surface water is blocked to insert caused interstices of soil in soil course along tensometer using air bag the present invention relates to one kind
The tensometer and its application method in path are infiltrated, belongs to Soil water management and studying technological domain.
Background technology
Soil water suction is Soil water management and the basic document of research, also referred to as soil water potential, is the strong of soil moisture
Spend index.The size of soil water suction and the mobility of the soil water and the validity to plant have close relationship.Soil water-containing
Amount is the capacity performance index of the soil water, has certain relation between the suction size and soil moisture content of the soil water, and generally, soil is inhaled
Power is bigger, and water content is smaller；Soil suction is smaller, and water content is more.Soil moisture content is the important foundation of plant growth, is prison
The key index of soil degradation degree, and one of major parameter of the research application field such as meteorology, ecology, agricultural are surveyed, especially
It is to play vital effect in arid, semi-arid areas, environmental health development of the soil moisture content to the region.Meanwhile
Soil moisture content participates in land-atmospheric substance, energy exchange as a key variables of top parameter, is soil moisture content
Key element, especially Surfaces soil water content is sensitive to microcosmic meteoropathic reaction, can effectively monitor soil damage caused by a drought situation.
In order to measure soil moisture content, usually using tensometer method.Current tensometer produces in soil course is inserted
Interstices of soil, surface water are infiltrated by crack, cause tensometer reading less than normal, and measurement result is inaccurate.Need a kind of structure letter
List, cost are relatively low, easy to operate, mainly the tensometer of the accurate soil moisture content of measurement data.
The content of the invention
The problem to be solved in the present invention is：A kind of gasbag-type tensometer is provided, surface water edge is effectively blocked by air bag
Path is infiltrated in the crack formed in device insertion soil course, and soil is produced in soil course is inserted to solve existing tensometer
Crack, surface water are infiltrated by crack, cause tensometer reading less than normal, the problem of measurement result inaccuracy.
The technical scheme is that：A kind of gasbag-type tensometer, including, vitrified-clay pipe, discharge and vacuum meter, the pottery
Native pipe connects discharge, and vacuum meter is installed on the discharge, it is characterised in that：The relevant position of gas collection tube wall is provided with recessed
Groove, groove is interior to place air bag, the overall scalariform in a ring of the air bag, is divided into three layers of upper, middle and lower, respectively upper strata transverse annular gas
Capsule, middle level ring-type transverse direction air bag and lower floor's transverse annular air bag, by two vertical strips between adjacent two layers transverse annular air bag
Air bag b through connections, a vertical strip air bag a is met on the transverse annular air bag of upper strata, and vertical strip air bag a other ends installation is American
Valve cock.
Preferably, the depth of groove of above-mentioned gas collection tube wall is a quarter of discharge caliber.
Preferably, the groove of above-mentioned gas collection tube wall is glued with air bag.
Preferably, above-mentioned upper strata transverse annular air bag, middle level ring-type transverse direction air bag, lower floor's transverse annular air bag and vertical bar
Angle between shape air bag a, vertical strip air bag b is right angle.
Preferably, the vertical strip air bag a width connect on above-mentioned upper strata transverse annular air bag is more than American valve cock, American
By its tight after the valve cock insertion vertical strip air bag a, after vertical strip air bag a and vertical strip air bag b air-blowing
Outer surface flushes with gas collection tube wall.
Preferably, above-mentioned upper strata transverse annular air bag, middle level ring-type transverse direction air bag and lower floor's transverse annular air bag is vertical
Width is 3cm.
Preferably, above-mentioned upper strata transverse annular air bag, middle level ring-type transverse direction air bag and lower floor's transverse annular air bag bulging are recessed
The distance of groove is a quarter of discharge caliber.
A kind of application method of described gasbag-type tensometer, including：
Step 1, tensometer is inserted perpendicularly into soil to be measured；
Step 2, the numerical value for reading simultaneously recording vacuum gauge.
Soil surface when the upper strata transverse annular air bag upper surface is in maximum measuring depth with tensometer flushes；Under
Soil surface when layer ring-shaped gasbag upper surface is in minimum measuring depth with tensometer flushes.
Beneficial effects of the present invention：Compared with prior art, the present invention with the addition of air bag dress on the basis of existing technology
Put, groove be set on discharge, air bag is glued in the groove of gas collection tube wall, by being inflated into air bag, air bag to
Heave outside, effectively blocked surface water to insert in soil course the crack formed along device and infiltrated path, so as to ensure that
The accuracy of measurement data, in addition, airbag structure of the present invention is set rationally, inflation is convenient, is connected firmly and is easy to carry, cut-off ground
The excellent effect that table moisture penetrates into, air bag is not easy to wear, cost is relatively low, easy to operate.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the front view of discharge in embodiment illustrated in fig. 1.
Fig. 3 is the top view for the air bag heaved in embodiment illustrated in fig. 1.
In figure：1st, rubber stopper, 2, discharge, 3, air bag, 4, vitrified-clay pipe, 5, vacuum meter, 6, American valve cock, 7, groove,
3-1, upper strata transverse annular air bag, 3-2, middle level ring-type transverse direction air bag, 3-3, lower floor's transverse annular air bag, 3-4, vertical strip gas
Capsule a, 3-5, vertical strip air bag b, d are gas collection pipe diameter.
Embodiment
In conjunction with accompanying drawing, the present invention will be further described in detail.
As shown in figure 1, a kind of gasbag-type tensometer, including, vitrified-clay pipe 4, discharge 2 and vacuum meter 5, the vitrified-clay pipe 4
Discharge 2 is connected, vacuum meter 5 is installed on the discharge 2, it is characterised in that：The relevant position of the tube wall of discharge 2 is provided with recessed
Groove 7, groove 7 is interior to place air bag 3, the overall scalariform in a ring of air bag 3, is divided into three layers of upper, middle and lower, respectively upper strata lateral loops
Shape air bag 3-1, middle level ring-type transverse direction air bag 3-2 and lower floor transverse annular air bag 3-3, between adjacent two layers transverse annular air bag by
Two vertical strip air bag b3-5 through connections, a vertical strip air bag a3-4, vertical bar are connect on the transverse annular air bag 3-1 of upper strata
The shape air bag a3-4 other ends install American valve cock 6.Gasbag-type tensometer by being inflated into air bag, outwards heave by air bag, has
Block to effect surface water to insert in soil course the crack formed along device and infiltrated path, ensure that measurement to a high degree
The accuracy of data.
The depth of groove 7 of the tube wall of discharge 2 is a quarter of the caliber of discharge 2, and groove is easy to air bag being caught in.
The groove 7 of the tube wall of discharge 2 is glued with air bag 3, and splicing area is big, and connection is more firm, and operating method is simpler, is easy to family
Outer carrying.
The upper strata transverse annular air bag 3-1, middle level ring-type transverse direction air bag 3-2, lower floor transverse annular air bag 3-3 with it is vertical
Angle between strip air bag a3-4, vertical strip air bag b3-5 is right angle, is easy to inflate.
The vertical strip air bag a3-4 width connect on the upper strata transverse annular air bag 3-1 is more than American valve cock 6, American
Valve cock 6 is inserted after the vertical strip air bag a3-4 by its tight, vertical strip air bag a3-4 and vertical strip air bag
Outer surface flushes with the tube wall of discharge 2 after b3-5 air-blowing, can avoid the scratch of air-blowing rear gasbag.
The upper strata transverse annular air bag 3-1, middle level ring-type transverse direction air bag 3-2 and lower floor transverse annular air bag 3-3's is perpendicular
It is 3cm, upper strata transverse annular air bag 3-1, middle level ring-type transverse direction air bag 3-2 and lower floor transverse annular air bag 3-3 drums to width
The distance for going out groove 7 is a quarter of the caliber of discharge 2, bloated conference and make it that tensometer insertion is difficult, and bloated very few nothing
Method ensures the infiltration of effectively cut-off surface water.
A kind of application method of described gasbag-type tensometer, including：
Step 1, tensometer is inserted perpendicularly into soil to be measured；
Step 2, the numerical value for reading simultaneously recording vacuum gauge 5.
Soil surface when the upper strata transverse annular air bag 3-1 upper surfaces are in maximum measuring depth with tensometer is neat
It is flat；Soil surface when lower floor's transverse annular air bag 3-3 upper surfaces are in minimum measuring depth with tensometer flushes.Upper strata is horizontal
Ring-shaped gasbag 3-1, middle level ring-type transverse direction air bag 3-2 and lower floor transverse annular air bag 3-3 are concordant with soil surface, more effectively
Avoid the infiltration of surface water.
To sum up, gasbag-type tensometer of the invention is simple in construction, cost is relatively low and easy to operate；During measurement, to air bag
Interior inflation, air bag are outwards heaved, and the path for having blocked surface water to be oozed along tensometer insertion process under caused interstices of soil, have
Effect ground reduces measurement error.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, related personnel completely may be used
Without departing from the scope of the technological thought of the present invention', to carry out various changes and amendments.The technical model of this invention
Enclose the content being not limited on specification, it is necessary to which its technical scope is determined according to right.
Claims (9)
1. a kind of gasbag-type tensometer, including, vitrified-clay pipe（4）, discharge（2）And vacuum meter（5）, the vitrified-clay pipe（4）Connection
Discharge（2）, the discharge（2）Upper installation vacuum meter（5）, it is characterised in that：Discharge（2）The relevant position of tube wall is set
It is fluted（7）, groove（7）Interior placement air bag（3）, the air bag（3）Overall scalariform in a ring, is divided into three layers of upper, middle and lower, respectively
For upper strata transverse annular air bag（3-1）, middle level ring-type transverse direction air bag（3-2）With lower floor's transverse annular air bag（3-3）, adjacent two layers
By two vertical strip air bag b between transverse annular air bag（3-5）Through connection, upper strata transverse annular air bag（3-1）On connect one
Vertical strip air bag a（3-4）, vertical strip air bag a（3-4）The other end installs American valve cock（6）.
A kind of 2. gasbag-type tensometer according to claim 1, it is characterised in that：The discharge（2）The groove of tube wall
（7）Depth is discharge（2）The a quarter of caliber.
A kind of 3. gasbag-type tensometer according to claim 1, it is characterised in that：The discharge（2）The groove of tube wall
（7）With air bag（3）It is glued.
A kind of 4. gasbag-type tensometer according to claim 1, it is characterised in that：The upper strata transverse annular air bag（3-
1）, middle level ring-type transverse direction air bag（3-2）, lower floor's transverse annular air bag（3-3）With vertical strip air bag a（3-4）, vertical strip gas
Capsule b（3-5）Between angle be right angle.
A kind of 5. gasbag-type tensometer according to claim 1, it is characterised in that：The upper strata transverse annular air bag（3-
1）On the vertical strip air bag a that connects（3-4）Width is more than American valve cock（6）, American valve cock（6）Insert the vertical strip
Air bag a（3-4）Afterwards by its tight, vertical strip air bag a（3-4）With vertical strip air bag b（3-5）After air-blowing outer surface with
Discharge（2）Tube wall flushes.
A kind of 6. gasbag-type tensometer according to claim 1, it is characterised in that：The upper strata transverse annular air bag（3-
1）, middle level ring-type transverse direction air bag（3-2）With lower floor's transverse annular air bag（3-3）Vertical width be 3cm.
A kind of 7. gasbag-type tensometer according to claim 1, it is characterised in that：The upper strata transverse annular air bag（3-
1）, middle level ring-type transverse direction air bag（3-2）With lower floor's transverse annular air bag（3-3）Bloat groove（7）Distance be discharge（2）Pipe
The a quarter in footpath.
8. a kind of application method of gasbag-type tensometer according to any one in claim 1-7, including：
Step 1, tensometer is inserted perpendicularly into soil to be measured；
Step 2, read simultaneously recording vacuum gauge（5）Numerical value.
A kind of 9. application method of gasbag-type tensometer according to any one in claim 1-7, it is characterised in that：Institute
State upper strata transverse annular air bag（3-1）Soil surface when upper surface is in maximum measuring depth with tensometer flushes；Lower floor's ring
Shape air bag（3-3）Soil surface when upper surface is in minimum measuring depth with tensometer flushes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711093738.7A CN107764978A (en) | 2017-11-08 | 2017-11-08 | A kind of gasbag-type tensometer and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711093738.7A CN107764978A (en) | 2017-11-08 | 2017-11-08 | A kind of gasbag-type tensometer and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107764978A true CN107764978A (en) | 2018-03-06 |
Family
ID=61272146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711093738.7A Pending CN107764978A (en) | 2017-11-08 | 2017-11-08 | A kind of gasbag-type tensometer and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107764978A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2133745Y (en) * | 1992-05-19 | 1993-05-19 | 贾来福 | Slide plate pipe joint tool with gas drilling hole |
| CN2847267Y (en) * | 2005-11-17 | 2006-12-13 | 北京农业信息技术研究中心 | Film type tensometer |
| US20130036689A1 (en) * | 2010-04-12 | 2013-02-14 | Mark Anthony Kuchel | Method for treating soil |
| CN102937643A (en) * | 2012-11-15 | 2013-02-20 | 西北农林科技大学 | Split-type tensionmeter connected through soft pipes and used for measuring soil water potential |
| CN103267659A (en) * | 2013-05-31 | 2013-08-28 | 中国科学院地理科学与资源研究所 | Collection device of greenhouse gases at different depths of soil section |
| CN204959824U (en) * | 2015-07-30 | 2016-01-13 | 上海市机械施工集团有限公司 | Structure is flowed in lap guard of underground continuous wall gasbag formula |
| CN105696599A (en) * | 2016-02-06 | 2016-06-22 | 北京市勘察设计研究院有限公司 | Pressurizing grouting method utilizing air bag blockage device |
| CN205444214U (en) * | 2015-12-23 | 2016-08-10 | 中铁建设集团有限公司 | Deep basal pit superelevation water level precipitation well well head plugging device |
| CN106014478A (en) * | 2016-05-30 | 2016-10-12 | 爱佩仪中测（成都）精密仪器有限公司 | Cooling circulation system used for single-arm three-dimensional measurement scribing instrument |
| CN206321546U (en) * | 2016-11-29 | 2017-07-11 | 成都四方信息技术有限公司 | Permeability rate monitoring rod |
| CN107060841A (en) * | 2017-05-31 | 2017-08-18 | 天津大学 | A kind of annular baffle device for water of segment type for being used to quickly administer treatment technology for tunnel seepage water problems |
| CN107318316A (en) * | 2017-08-17 | 2017-11-07 | 苏州专创光电科技有限公司 | Aerial seed planting unit |
| CN207380033U (en) * | 2017-11-08 | 2018-05-18 | 北京林业大学 | A kind of gasbag-type tensometer |
-
2017
- 2017-11-08 CN CN201711093738.7A patent/CN107764978A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2133745Y (en) * | 1992-05-19 | 1993-05-19 | 贾来福 | Slide plate pipe joint tool with gas drilling hole |
| CN2847267Y (en) * | 2005-11-17 | 2006-12-13 | 北京农业信息技术研究中心 | Film type tensometer |
| US20130036689A1 (en) * | 2010-04-12 | 2013-02-14 | Mark Anthony Kuchel | Method for treating soil |
| CN102937643A (en) * | 2012-11-15 | 2013-02-20 | 西北农林科技大学 | Split-type tensionmeter connected through soft pipes and used for measuring soil water potential |
| CN103267659A (en) * | 2013-05-31 | 2013-08-28 | 中国科学院地理科学与资源研究所 | Collection device of greenhouse gases at different depths of soil section |
| CN204959824U (en) * | 2015-07-30 | 2016-01-13 | 上海市机械施工集团有限公司 | Structure is flowed in lap guard of underground continuous wall gasbag formula |
| CN205444214U (en) * | 2015-12-23 | 2016-08-10 | 中铁建设集团有限公司 | Deep basal pit superelevation water level precipitation well well head plugging device |
| CN105696599A (en) * | 2016-02-06 | 2016-06-22 | 北京市勘察设计研究院有限公司 | Pressurizing grouting method utilizing air bag blockage device |
| CN106014478A (en) * | 2016-05-30 | 2016-10-12 | 爱佩仪中测（成都）精密仪器有限公司 | Cooling circulation system used for single-arm three-dimensional measurement scribing instrument |
| CN206321546U (en) * | 2016-11-29 | 2017-07-11 | 成都四方信息技术有限公司 | Permeability rate monitoring rod |
| CN107060841A (en) * | 2017-05-31 | 2017-08-18 | 天津大学 | A kind of annular baffle device for water of segment type for being used to quickly administer treatment technology for tunnel seepage water problems |
| CN107318316A (en) * | 2017-08-17 | 2017-11-07 | 苏州专创光电科技有限公司 | Aerial seed planting unit |
| CN207380033U (en) * | 2017-11-08 | 2018-05-18 | 北京林业大学 | A kind of gasbag-type tensometer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104677803B (en) | Often, varying head is combined pervasion test device | |
| CN202494442U (en) | Stratum layering and settlement measuring device | |
| CN105333904B (en) | The assay method of the up drilling gas parameter of coal petrography | |
| CN104297132B (en) | A kind of experimental rig for testing multilayer geotextiles vertical permeability coefficient | |
| CN104316144B (en) | A kind of visualization measurement method of level of ground water under condition of negative pressure | |
| CN102288157A (en) | Method for monitoring deep settlement of foundation | |
| CN104569341A (en) | Vacuum preloading and electroosmosis combined testing device and vacuum preloading and electroosmosis combined testing method | |
| CN102288528A (en) | Soil saturated hydraulic conductivity and gas conductivity in situ measurement system | |
| CN104264719A (en) | Vacuum preloading indoor model testing apparatus | |
| CN207850359U (en) | A kind of device measuring Highway Foundation sedimentation | |
| WO2019033467A1 (en) | Range-adjustable dual-ring infiltration apparatus and in-situ testing method for soil permeability coefficient | |
| CN101358449B (en) | Pore water pressure measuring device in foundation stabilization zone | |
| CN104330132A (en) | Device and method for measuring underground water level under negative pressure condition | |
| CN206459937U (en) | A kind of packer permeability test device of engineering geological investigation | |
| CN207380033U (en) | A kind of gasbag-type tensometer | |
| CN102435540A (en) | Measurement system and method for permeability coefficient of shallow-layer sand soil | |
| CN107764978A (en) | A kind of gasbag-type tensometer and its application method | |
| CN206627512U (en) | A kind of device for measuring soil layering specific yield | |
| CN206573100U (en) | Settling column test instrument for pore pressure distribution measuring | |
| CN115033973A (en) | Method for calculating side pressure of soil between piles and piles of double-row piles of foundation pit based on natural source surface waves | |
| CN107016204A (en) | A kind of method for determining lateral loading test horizontal foundation modulus | |
| CN207336529U (en) | A kind of concrete expansion rate detection device | |
| CN208239445U (en) | NO_3-- N Leaching measures system | |
| CN107219346A (en) | New soil tensometer and soil water potential measuring method | |
| CN104213548B (en) | The simple measurement method of the transmission tower foundation ground plane of fracture |
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 |