CN102590064A - Vertical infiltration speed measuring instrument used for stratum - Google Patents
Vertical infiltration speed measuring instrument used for stratum Download PDFInfo
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- CN102590064A CN102590064A CN2012100445171A CN201210044517A CN102590064A CN 102590064 A CN102590064 A CN 102590064A CN 2012100445171 A CN2012100445171 A CN 2012100445171A CN 201210044517 A CN201210044517 A CN 201210044517A CN 102590064 A CN102590064 A CN 102590064A
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Abstract
The invention discloses a vertical infiltration speed measuring instrument used for stratum. The vertical infiltration speed measuring instrument comprises an inner-annular cylinder, an outer-annular cylinder, an outer-annular-cylinder water supply device, an inner-annular-cylinder water supply barrel and a test board, wherein the test board comprises an inverted U-shaped glass three-way pipe and a test ruler; an inner-annular-cylinder water inlet is arranged on a side wall of the top of the inner-annular cylinder and connected with a water supply barrel outlet of the inner-annular-cylinder water supply barrel by the inner-annular-cylinder water supply pipe, and an inner-annular-cylinder water outlet is arranged at the top end of the inner-annular cylinder and connected with a nozzle of a pipe A at the bottom end of the inverted U-shaped glass three-way pipe by an inner-annular-cylinder water outlet pipe; and an inner-annular-cylinder water supply pipe interface and a plurality of overflow ports are arranged on a cylinder wall of one side of the outer-annular cylinder, an outer-annular-cylinder water outlet and an inner-annular-cylinder water outlet pipe interface are arranged on a cylinder wall of the other side of the outer-annular cylinder, and the outer-annular-cylinder water outlet is connected with a nozzle of a pipe B at the bottom of the inverted U-shaped glass three-way pipe by an outer-annular-cylinder water outlet pipe. The vertical infiltration speed measuring instrument used for stratum is simple in structure, novel and reasonable in design, convenient to use and operate, high in measuring precision, low in measuring cost, strong in practicability and convenient to promote and use.
Description
Technical field
The invention belongs to underground water scientific and engineering technical field, relate to a kind of underground water test unit, especially relate to a kind of vertical infiltration rate measuring instrument that is used for the stratum.
Background technology
Water penetration test is a basic field test job of hydrogeology work.The purpose of test is to be retrieved as the vertical infiltration rates required to the recharge of ground water such as calculating atmospheric precipitation, irrigation water, river, water in a canal and temporary surface low.Traditional vertical infiltration rate is measured the sheet steel that adopts dicyclo test method(s), outer shroud and interior ring all to adopt thickness to be about 1mm and is made, and during test outer shroud is inserted about 10cm under the face of land, and interior ring places the central authorities of outer shroud, also inserts about 10cm under the face of land.Adopt manual work or mariotte flask constantly to supply water during test to outer shroud; And keep a certain height of water level; Also inwardly encircle simultaneously and add water; Ring water level and outer shroud water level are with high in keeping; Inwardly encircle the water yield q that adds in the record Δ t, the area of ring is A in supposing, then vertical infiltration rate
The dicyclo test method(s) exists in the prior art defective and deficiency are: operability is relatively poor, especially in ring, adds water and keeps certain water level, in the time of also will writing down inside ring and add how many water yields simultaneously, is difficult to grasp, causes the vertical infiltration rate low precision of gained.
Summary of the invention
Technical matters to be solved by this invention is to above-mentioned deficiency of the prior art a kind of vertical infiltration rate measuring instrument that is used for the stratum to be provided, and it is simple in structure; Novel and reasonable design, it is convenient to realize, uses simple operation; Measuring accuracy is high, and it is low, practical to measure cost; Result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of vertical infiltration rate measuring instrument that is used for the stratum; It is characterized in that: comprise endocyclic tube, be sleeved on the outer outer shroud tube of endocyclic tube, give the interior outer shroud tube water supply installation that supplies water of outer shroud tube, give endocyclic tube water supply bucket that supplies water in the endocyclic tube and the test board that is used for the acquisition test data; The volume of said endocyclic tube water supply bucket equates that with the volume of said endocyclic tube said test board comprises inverted U glass three-way pipe and the test scale that is fixed on inverted U glass three-way pipe rear and is used for the water level in the inverted U glass three-way pipe is measured; Said endocyclic tube covers the formula semi-closed structure for the no end; Said outer shroud tube is the non-cover type hatch frame of the no end; The top sidewall of said endocyclic tube is provided with the endocyclic tube water inlet and links to each other with a water supply bucket water delivering orifice that is arranged on endocyclic tube water supply bucket bottom through the endocyclic tube feed pipe; Be provided with the endocyclic tube water supply valve near the said endocyclic tube feed pipe that supplies water bucket water delivering orifice place; The top of said endocyclic tube is provided with the endocyclic tube water delivering orifice and links to each other with the A pipe mouth of pipe of inverted U glass three-way pipe bottom through the endocyclic tube rising pipe; One side tube-wall of said outer shroud tube is provided with and is used to supply endocyclic tube feed pipe interface that the endocyclic tube feed pipe passes through and a plurality of to be used to the overflow vent that supplies water and discharge; Said overflow vent is provided with run-down pipe and flow spill valve; Said endocyclic tube feed pipe interface is positioned at the below of said overflow vent; The opposite side barrel of said outer shroud tube is provided with outer shroud tube water delivering orifice and the endocyclic tube rising pipe interface that supplies the endocyclic tube rising pipe to pass through, and said outer shroud tube water delivering orifice is positioned at the below of said endocyclic tube rising pipe interface and links to each other with the B pipe mouth of pipe of inverted U glass three-way pipe bottom through outer shroud tube rising pipe, and the mouth of pipe place on said inverted U glass three-way pipe arch top is provided with the three-way pipe valve.
Above-mentioned a kind of vertical infiltration rate measuring instrument that is used for the stratum is characterized in that: said outer shroud tube water supply installation is water swivel or the bucket that is arranged on outer shroud tube top.
Above-mentioned a kind of vertical infiltration rate measuring instrument that is used for the stratum, it is characterized in that: the bottom of said endocyclic tube is cylindrical, and the top of said endocyclic tube is conical, and the inner diameter of said endocyclic tube is 0.1m～0.25m.
Above-mentioned a kind of vertical infiltration rate measuring instrument that is used for the stratum, it is characterized in that: said outer shroud tube is cylindrical, the inner diameter of said outer shroud tube is 0.5m～0.7m.
Above-mentioned a kind of vertical infiltration rate measuring instrument that is used for the stratum is characterized in that: the inner diameter of said outer shroud tube is 0.618m.
Above-mentioned a kind of vertical infiltration rate measuring instrument that is used for the stratum is characterized in that: said endocyclic tube, outer shroud tube and the endocyclic tube bucket that supplies water is that the steel of 1mm～2mm are processed by thickness.
Above-mentioned a kind of vertical infiltration rate measuring instrument that is used for the stratum, it is characterized in that: the diameter of said inverted U glass three-way pipe is 8mm～10mm.
Above-mentioned a kind of vertical infiltration rate measuring instrument that is used for the stratum is characterized in that: said test scale is the scale of millimeter class precision.
Above-mentioned a kind of vertical infiltration rate measuring instrument that is used for the stratum, it is characterized in that: the quantity of said overflow vent, run-down pipe and flow spill valve is 2～6.
Above-mentioned a kind of vertical infiltration rate measuring instrument that is used for the stratum, it is characterized in that: the quantity of said overflow vent, run-down pipe and flow spill valve is 4.
The present invention compared with prior art has the following advantages:
1, of the present invention simple in structure, novel and reasonable design, it is convenient to realize.
2, use simple operation of the present invention can record vertical infiltration rate easily, can also try to achieve the relation of vertical infiltration rate and water layer thickness easily.
3, the present invention is when operation, and water level can be controlled through overflow vent, run-down pipe and flow spill valve and the control accuracy height easily in the outer shroud tube, and the test scale is the scale of millimeter class precision, and the measuring accuracy of whole vertical infiltration rate measuring instrument is high.
4, realization cost of the present invention is low, can be repeatedly used, and has reduced vertical infiltration rate and has measured cost.
5, of the present invention practical, result of use is good, is convenient to promote the use of.
In sum, the present invention is simple in structure, novel and reasonable design, and it is convenient to realize, uses simple operation, and measuring accuracy is high, and it is low, practical to measure cost, and result of use is good, is convenient to promote the use of.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the A pipe of inverted U glass three-way pipe of the present invention and the water level dynamic curve diagram in the B pipe.
Description of reference numerals:
The 1-endocyclic tube; 2-outer shroud tube; 3-outer shroud tube water supply installation;
4-endocyclic tube water supply bucket; 5-inverted U glass three-way pipe; 6-tests scale;
7-endocyclic tube feed pipe; 8-endocyclic tube water supply valve; 9-supplies the endocyclic tube rising pipe;
The 10-run-down pipe; The 11-flow spill valve; 12-outer shroud tube rising pipe;
13-three-way pipe valve; 14-soil.
Embodiment
As shown in Figure 1; The present invention includes endocyclic tube 1, be sleeved on the outer outer shroud tube 2 of endocyclic tube 1, give the outer shroud tube water supply installations 3 that supply water in the outer shroud tube 2, give supply water bucket 4 and be used for the test board of acquisition test data of the endocyclic tube that supplies water in the endocyclic tube 1; The volume of said endocyclic tube water supply bucket 4 equates that with the volume of said endocyclic tube 1 said test board comprises inverted U glass three-way pipe 5 and the test scale 6 that is fixed on inverted U glass three-way pipe 5 rears and is used for the water levels in the inverted U glass three-way pipe 5 are measured; Said endocyclic tube 1 covers the formula semi-closed structure for the no end; Said outer shroud tube 2 is non-cover type hatch frame of the no end; The top sidewall of said endocyclic tube 1 is provided with the endocyclic tube water inlet and links to each other with the water supply bucket water delivering orifice that is arranged on endocyclic tube water supply bucket 4 bottoms through endocyclic tube feed pipe 7; Be provided with endocyclic tube water supply valve 8 near the said endocyclic tube feed pipe 7 that supplies water bucket water delivering orifice place; The top of said endocyclic tube 1 is provided with the endocyclic tube water delivering orifice and links to each other with the A pipe mouth of pipe of inverted U glass three-way pipe 5 bottoms through endocyclic tube rising pipe 9; One side tube-wall of said outer shroud tube 2 is provided with and is used to supply endocyclic tube feed pipe interface that endocyclic tube feed pipe 7 passes through and a plurality of to be used to the overflow vent that supplies water and discharge; Said overflow vent is provided with run-down pipe 10 and flow spill valve 11; Said endocyclic tube feed pipe interface is positioned at the below of said overflow vent; The opposite side barrel of said outer shroud tube 2 is provided with outer shroud tube water delivering orifice and the endocyclic tube rising pipe interface that supplies endocyclic tube rising pipe 9 to pass through, and said outer shroud tube water delivering orifice is positioned at the below of said endocyclic tube rising pipe interface and links to each other with the B pipe mouth of pipe of inverted U glass three-way pipe 5 bottoms through outer shroud tube rising pipe 12, and the mouth of pipe place on said inverted U glass three-way pipe 5 arch tops is provided with three-way pipe valve 13.
As shown in Figure 1, in the present embodiment, said outer shroud tube water supply installation 3 is for being arranged on the water swivel or the bucket of outer shroud tube 2 tops.The bottom of said endocyclic tube 1 is cylindrical, and the top of said endocyclic tube 1 is conical, and said endocyclic tube 1 inner diameter is 0.1m～0.25m.Said outer shroud tube 2 is cylindrical, and said outer shroud tube 2 inner diameters are 0.5m～0.7m.Particularly, said outer shroud tube 2 inner diameters are 0.618m.
As shown in Figure 1, in the present embodiment, said endocyclic tube 1, outer shroud tube 2 and the endocyclic tube bucket 4 that supplies water is that the steel of 1mm～2mm are processed by thickness.The diameter of said inverted U glass three-way pipe 5 is 8mm～10mm.Said test scale 6 is the scale of millimeter class precision.
As shown in Figure 1, in the present embodiment, the quantity of said overflow vent, run-down pipe 10 and flow spill valve 11 is 2～6.Particularly, the quantity of said overflow vent, run-down pipe 10 and flow spill valve 11 is 4.
The course of work of the present invention is:
The preliminary work of test:
1, endocyclic tube 1 is inserted about 0.2m～0.3m (look soil 14 situation and also can be reduced to 0.1m) in the soil 14;
2, outer shroud tube 2 is also inserted about 0.2m～0.3m in the soil 14, look the water level height in soil 14 situation and the outer shroud tube 2, dispose clay or sea-tangle at outer shroud tube 2 peripheral contact soil 14;
3, suitably highly locating to place outer shroud tube water supply installation 3, endocyclic tube water supply bucket 4 and test board, specifically can adopt tripod to realize;
4, link to each other with the endocyclic tube water inlet of endocyclic tube 1 with the water supply bucket water delivering orifice of endocyclic tube feed pipe 7 endocyclic tube water supply bucket 4; Link to each other with the A pipe mouth of pipe of inverted U glass three-way pipe 5 bottoms with the endocyclic tube water delivering orifice of endocyclic tube rising pipe 9, link to each other with the B pipe mouth of pipe of inverted U glass three-way pipe 5 bottoms with the outer shroud tube water delivering orifice of outer shroud tube rising pipe 12 with outer shroud tube 2 with endocyclic tube 1;
Experiment work:
1, opens and be positioned at the flow spill valve 11 on one of them overflow vent place run-down pipe 10 on outer shroud tube 2 one side tube-walls; For example be positioned at the flow spill valve 11 of C-C position; All the other several flow spill valve 11 Close Alls; In outer shroud tube 2, add water, until C-C, unnecessary water is discharged from the flow spill valve of opening 11;
2, open three-way pipe valve 13 and endocyclic tube water supply valve 8;, endocyclic tube adds water in supplying water bucket 4; Such as adding E-E; Water in the endocyclic tube water supply bucket 4 flows in the endocyclic tubes 1 through endocyclic tube feed pipe 7, and the water in the endocyclic tube 1 flows in the A pipe of inverted U glass three-way pipe 5 through the A pipe mouth of pipe of endocyclic tube rising pipe 9 and inverted U glass three-way pipe 5 bottoms again, and this moment, attention was observed; To there be bubble to rise in the A of U type glass three-way pipe 5 pipe and overflow, and slowly add water this moment and keep endocyclic tube and supply water water level in the bucket 4 near E-E through the mouth of pipe on inverted U glass three-way pipe 5 arch tops;
3, test procedure:
(1) closes three-way pipe valve 13;
(2) stop in endocyclic tube supplies water bucket 4, adding water;
(3) continue in outer shroud tube 2, to add water, keep water level in the outer shroud tube 2 in the C-C position;
(4) stop in endocyclic tube supplies water bucket 4, adding water after; Water level in the A of U type glass three-way pipe 5 pipe will along with endocyclic tube supplies water in the bucket 4 water level from E-E face down migration and through the D-D face (with the C-C face with high) continue downward the migration and change; The information that changes can be read on test scale 6; Because three-way pipe valve 13 has been closed, the decline of water table in the A pipe of U type glass three-way pipe 5, the water level in the B pipe of U type glass three-way pipe 5 must rise;
(5) through test scale 6 reading of data, the dynamic process that the water level during decline of water table, the B in the A pipe of record U type glass three-way pipe 5 manages rises is drawn the water level dynamic curve diagram of the height of water level h t variation in time in A pipe and the B pipe;
(6) endocyclic tube supplies water at the bottom of bucket 4 middle water levels drop to barrel basically, and the experiment work of C-C height finishes.
4, data processing:
(1) with calculating of the corresponding vertical infiltration rate of certain height water level of outer shroud tube 2: as shown in Figure 2, the curve table of the height of water level h t variation in time in A pipe and the B pipe is shown as equation:
h
A＝a
A+b
Aln(t
0+t) t≥0
h
B＝a
B+b
Bln(t
0+t) t≥0
Wherein, b
A=b
B, undetermined constant is merely a
A, a
B, t
0, b
A(or b
B).These undetermined constants can utilize observation data to try to achieve by least square method.
Just can try to achieve cusp after trying to achieve two curvilinear equations, two curves are (t at the intersection point place
p, h
j) slope represent then vertical infiltration rate V with V
eBe 2V.
(2) in like manner, can try to achieve vertical infiltration rate V
eRelation with water layer thickness H (water level in the outer shroud tube 2).
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any restriction, every technical spirit changes any simple modification, change and the equivalent structure that above embodiment did according to the present invention, all still belongs in the protection domain of technical scheme of the present invention.
Claims (10)
1. vertical infiltration rate measuring instrument that is used for the stratum; It is characterized in that: comprise endocyclic tube (1), be sleeved on the outer outer shroud tube (2) of endocyclic tube (1), give the interior outer shroud tube water supply installation (3) that supplies water of outer shroud tube (2), give endocyclic tube water supply bucket (4) that supplies water in the endocyclic tube (1) and the test board that is used for the acquisition test data; The volume of said endocyclic tube water supply bucket (4) equates with the volume of said endocyclic tube (1), the test scale (6) that said test board comprises inverted U glass three-way pipe (5) and is fixed on inverted U glass three-way pipe (5) rear and is used for the water level in the inverted U glass three-way pipe (5) is measured; Said endocyclic tube (1) covers the formula semi-closed structure for the no end; Said outer shroud tube (2) is the non-cover type hatch frame of the no end; The top sidewall of said endocyclic tube (1) is provided with the endocyclic tube water inlet and links to each other with a water supply bucket water delivering orifice that is arranged on endocyclic tube water supply bucket (4) bottom through endocyclic tube feed pipe (7); Be provided with endocyclic tube water supply valve (8) near the said endocyclic tube feed pipe (7) that supplies water bucket water delivering orifice place; The top of said endocyclic tube (1) is provided with the endocyclic tube water delivering orifice and links to each other with the A pipe mouth of pipe of inverted U glass three-way pipe (5) bottom through endocyclic tube rising pipe (9); One side tube-wall of said outer shroud tube (2) is provided with and is used to supply endocyclic tube feed pipe interface that endocyclic tube feed pipe (7) passes through and a plurality of to be used to the overflow vent that supplies water and discharge; Said overflow vent is provided with run-down pipe (10) and flow spill valve (11); Said endocyclic tube feed pipe interface is positioned at the below of said overflow vent; The opposite side barrel of said outer shroud tube (2) is provided with outer shroud tube water delivering orifice and the endocyclic tube rising pipe interface that supplies endocyclic tube rising pipe (9) to pass through, and said outer shroud tube water delivering orifice is positioned at the below of said endocyclic tube rising pipe interface and links to each other with the B pipe mouth of pipe of inverted U glass three-way pipe (5) bottom through outer shroud tube rising pipe (12), and the mouth of pipe place on said inverted U glass three-way pipe (5) arch top is provided with three-way pipe valve (13).
2. according to the described a kind of vertical infiltration rate measuring instrument that is used for the stratum of claim 1, it is characterized in that: said outer shroud tube water supply installation (3) is for being arranged on water swivel or the bucket above the outer shroud tube (2).
3. according to claim 1 or 2 described a kind of vertical infiltration rate measuring instruments that are used for the stratum; It is characterized in that: the bottom of said endocyclic tube (1) is cylindrical; The top of said endocyclic tube (1) is conical, and the inner diameter of said endocyclic tube (1) is 0.1m～0.25m.
4. according to claim 1 or 2 described a kind of vertical infiltration rate measuring instruments that are used for the stratum, it is characterized in that: said outer shroud tube (2) is for cylindrical, and the inner diameter of said outer shroud tube (2) is 0.5m～0.7m.
5. according to the described a kind of vertical infiltration rate measuring instrument that is used for the stratum of claim 4, it is characterized in that: the inner diameter of said outer shroud tube (2) is 0.618m.
6. according to claim 1 or 2 described a kind of vertical infiltration rate measuring instruments that are used for the stratum, it is characterized in that: said endocyclic tube (1), outer shroud tube (2) and the endocyclic tube bucket (4) that supplies water is that the steel of 1mm～2mm are processed by thickness.
7. according to claim 1 or 2 described a kind of vertical infiltration rate measuring instruments that are used for the stratum, it is characterized in that: the diameter of said inverted U glass three-way pipe (5) is 8mm～10mm.
8. according to claim 1 or 2 described a kind of vertical infiltration rate measuring instruments that are used for the stratum, it is characterized in that: said test scale (6) is the scale of millimeter class precision.
9. according to claim 1 or 2 described a kind of vertical infiltration rate measuring instruments that are used for the stratum, it is characterized in that: the quantity of said overflow vent, run-down pipe (10) and flow spill valve (11) is 2～6.
10. according to the described a kind of vertical infiltration rate measuring instrument that is used for the stratum of claim 9, it is characterized in that: the quantity of said overflow vent, run-down pipe (10) and flow spill valve (11) is 4.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614297A (en) * | 2015-01-28 | 2015-05-13 | 广西大学 | Geotechnical composite drainage material filter membrane horizontal seepage clogging discounting test device and test method thereof |
| CN104655543A (en) * | 2015-01-28 | 2015-05-27 | 广西大学 | Vertical permeability clogging and reduction testing device of geocomposite drainage material filter membrane and detection method thereof |
| CN105067500A (en) * | 2015-08-19 | 2015-11-18 | 昆明理工大学 | Detecting device for infiltration performance of earth pillar |
| CN107870143A (en) * | 2017-10-31 | 2018-04-03 | 中煤科工集团西安研究院有限公司 | A kind of field simply automatic double-ring infiltration tester and method |
| CN108254300A (en) * | 2017-12-13 | 2018-07-06 | 西北农林科技大学 | A kind of device and method for measuring pervious surface infiltration rate |
| CN112630122A (en) * | 2020-12-01 | 2021-04-09 | 重庆泓源渗滤取水科技有限公司 | Infiltration instrument for testing vertical infiltration speeds of different water levels and adjusting method |
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| US6367310B1 (en) * | 1998-04-15 | 2002-04-09 | National University Of Singapore | Drainage testing of porous asphalt road mixes |
| CN202442943U (en) * | 2012-02-26 | 2012-09-19 | 长安大学 | Vertical infiltration speed measuring instrument for stratum |
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2012
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| US6367310B1 (en) * | 1998-04-15 | 2002-04-09 | National University Of Singapore | Drainage testing of porous asphalt road mixes |
| CN202442943U (en) * | 2012-02-26 | 2012-09-19 | 长安大学 | Vertical infiltration speed measuring instrument for stratum |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614297A (en) * | 2015-01-28 | 2015-05-13 | 广西大学 | Geotechnical composite drainage material filter membrane horizontal seepage clogging discounting test device and test method thereof |
| CN104655543A (en) * | 2015-01-28 | 2015-05-27 | 广西大学 | Vertical permeability clogging and reduction testing device of geocomposite drainage material filter membrane and detection method thereof |
| CN105067500A (en) * | 2015-08-19 | 2015-11-18 | 昆明理工大学 | Detecting device for infiltration performance of earth pillar |
| CN107870143A (en) * | 2017-10-31 | 2018-04-03 | 中煤科工集团西安研究院有限公司 | A kind of field simply automatic double-ring infiltration tester and method |
| CN108254300A (en) * | 2017-12-13 | 2018-07-06 | 西北农林科技大学 | A kind of device and method for measuring pervious surface infiltration rate |
| CN112630122A (en) * | 2020-12-01 | 2021-04-09 | 重庆泓源渗滤取水科技有限公司 | Infiltration instrument for testing vertical infiltration speeds of different water levels and adjusting method |
| CN112630122B (en) * | 2020-12-01 | 2024-02-09 | 重庆泓源渗滤取水科技有限公司 | Infiltration instrument for testing vertical infiltration speeds of different water levels and adjusting method |
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Application publication date: 20120718 |