CN102645351B - Mass undisturbed soil sampling method - Google Patents
Mass undisturbed soil sampling method Download PDFInfo
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- CN102645351B CN102645351B CN201210120280.0A CN201210120280A CN102645351B CN 102645351 B CN102645351 B CN 102645351B CN 201210120280 A CN201210120280 A CN 201210120280A CN 102645351 B CN102645351 B CN 102645351B
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Abstract
The invention discloses a mass undisturbed soil sampling method. According to the method, a soil box is vertically arranged at a selected sampling position with a box opening facing down, a loading platform and a counter weight are arranged at the top of the soil box so that the soil box comes into soil automatically, a ground anchor is respectively arranged at four corners of the soil box, and the corners at the top of the soil box are respectively connected with the corresponding ground anchors through steel wire hauling cables; soil around the side walls of the soil box is removed; and during the soil removing process, the four steel wire hauling cables are tensioned continuously with the continuous descending of the soil box till the soil box can take soil at the corresponding depth; then the counter weight and the loading platform are removed; a bracket and a steel base plate are used for cutting soil under the soil box; and finally the soil box are taken away and the soil sampling process is finished. The method provided by the invention has the following advantages: the used tools are simple and convenient to operate, and the sampled undisturbed soil is not damaged and can meet the requirement of an undisturbed soil test.
Description
Technical field
The invention belongs to pedology test method technical field, be specifically related to a kind of soil basketing method of the large volume original state soil body.
Background technology
In order to study Evapotranspiration under the natural soil layer condition of exposed or growing plant, chemical fertilizer or agricultural chemicals are on the effect of the holard and underground water and impact, and the motion of the holard and maintenance, soil water balance and the recharge of ground water, often need to take the large volume original state soil body to carry out the correlative study of controllable environment or state, mostly test method is the original state soil body of taking to be placed in native case, by its weight of weighing device Accurate Measurement, to obtain the rule of moisture movement and conversion, the rule of crop to water consumption in the soil body particularly, utilize various sensors to measure temperature in the soil body simultaneously, the Changing Patterns such as salinity (pollutant or nutrient), this weighing device is called lysimeter together with the experimental system of the soil body and mensuration system formation.Conventionally, the native case of lysimeter varies, and shape is also divided into square, rectangular parallelepiped and cylindrical etc.
Can find out, take the original state soil body just to become a pith of whole lysimeter experimentation, take the quality of original state soil body effect directly to affect the result of test, obtaining a kind of simple and easy and practical method, to take large-scale original-pack soil sample be necessary.
Summary of the invention
The soil basketing method that the object of this invention is to provide a kind of large volume original state soil body, use instrument is simple, easy to operate, takes the original state soil body obtaining not to be damaged, and can meet the experiment needs of the large volume original state soil body.
The technical solution adopted in the present invention is, a kind of soil basketing method of the large volume original state soil body, is characterized in that, concrete steps are as follows:
Step 2, at the top of native case, place loading platform, above loading platform, place counterweight, make native case under the effect of counterweight automatically in the incision soil body;
Step 3, at four edges of native case fixing earth anchor respectively, by native case top corner by steel wire traction rope, connect with corresponding earth anchor respectively;
Step 4, successively adopt excavator, Manual shovel except and the manual mode of getting of cutting remove the native case limit wall soil body around, when the soil body removes process, along with native case continue move down, constantly strain four steel wire traction ropes, until the soil in native case is got the degree of depth of requirement;
Step 5, remove counterweight and loading platform;
Step 6, use support and steel sole plate cut the soil body of native case below:
Two bottom sides difference placing rack and steel sole plate at native case, the first web member is fixed respectively in the left and right sides in frame bottom, in the left and right sides of steel sole plate, be fixed for respectively the second web member using with the first web member corresponding matching, between the first web member of respective side and the second web member, connect draw-gear, pull two draw-gears to make slowly bury case bottom of horizontal cutting of steel sole plate, thereby native case is separated with its bottom soil body, then native case and steel sole plate are fixed together;
Step 7, native case is removed, completed and fetch earth.
The shape of the front side surface of support for matching with native case, two the first web members are a hanger, and two the second web members are base plate hook, and two draw-gears are chain block.
It is even that the cross-sectional surface of loading platform and counterweight is all greater than top surface area and the gravity of native case.
In step 4, the concrete grammar that removes the soil body is: first, usage mining machine spoil case limit wall is the 50cm soil body in addition around, the soil body of Manual shovel except the wall 10cm of native case limit again, the last manual native case limit wall residue soil body of vertically pruning, at the whole soil body, remove in process, guaranteeing that native case foundation does not produce tilts and caves in and do not destroy the soil body of native case inside.
In step 4, when the soil body removes process, available suitable quantity of water is soaked the soil of native case bottom, and increases counterweight.
The beneficial effect of the soil basketing method of the large volume original state soil body of the present invention is: use tool construction simple, easy to operate, take the original state soil body obtaining not to be damaged, can meet the experiment needs of the large volume original state soil body, for study various factors Changing Pattern in nature soil layer under laboratory condition, provide feasible condition.
Accompanying drawing explanation
Fig. 1 is the structural representation after the native case in the present invention is connected with earth anchor;
Fig. 2 is support in the present invention and the structural representation of steel sole plate.
Wherein, 1. native case, 2. earth anchor, 3. counterweight, 4. loading platform, 5. steel wire traction rope, 6. steel sole plate, 7. support, 8. draw-gear.
Embodiment
The soil basketing method of a kind of large volume original state of the present invention soil body, concrete steps are as follows:
Step 2, as shown in Figure 1, places loading platform 4 at the top of native case 1, places counterweight 3 above loading platform 4, makes native case 1 under the effect of counterweight 3 automatically in the incision soil body.It is even that the cross-sectional surface of loading platform 4 and counterweight 3 is all greater than top surface area and the gravity of native case 1.The weight of counterweight 3 is determined according to on-site soil water cut and native case 1 size.
Step 3, at four edges of native case 1 fixing earth anchor 2 respectively, by native case 1 top corner by steel wire traction rope 5, connect with corresponding earth anchor 2 respectively.
Step 4, successively adopt excavator, Manual shovel except and the manual mode of getting of cutting remove the native case 1 limit wall soil body around, when the soil body removes process, along with native case 1 continue move down, constantly strain four steel wire traction ropes 5, until the soil in native case 1 is got the degree of depth of requirement.When the soil body removes process, if native case 1 does not automatically move down or moves down when very slow, available suitable quantity of water is soaked the soil of native case 1 bottom, and increases counterweight 3.
The concrete grammar that removes the soil body is: first, usage mining machine spoil case 1 limit wall is the 50cm soil body in addition around, re-use the slowly soil body of Manual shovel except native case 1 limit wall 10cm of spade, the last manual native case 1 limit wall residue soil body of vertically pruning, at the whole soil body, remove in process, guaranteeing that native case 1 foundation does not produce tilts and caves in and do not destroy the soil body of native case 1 inside.
Step 5, remove counterweight 3 and loading platform 4.
Step 6, as shown in Figure 2, use the soil body of support 7 and steel sole plate 6 cutting native case 1 belows:
Two bottom sides difference placing rack 7 and steel sole plate 6 at native case 1, the first web member is fixed respectively in the left and right sides in support 7 bottoms, in the left and right sides of steel sole plate 6, be fixed for respectively the second web member using with the first web member corresponding matching, between the first web member of respective side and the second web member, connect draw-gear 8, pull two draw-gears 8 to make slowly horizontal cutting case 1 bottom of burying of steel sole plate 6, thereby native case 1 is separated with its bottom soil body, then native case 1 and steel sole plate 6 are fixed together.
The shape of the front side surface of support 7 for matching with native case 1, two the first web members are a hanger, and two the second web members are base plate hook, and two draw-gears 8 are chain block.
Step 7, native case 1 is removed, completed and fetch earth.
Claims (5)
1. a soil basketing method for the large volume original state soil body, is characterized in that, concrete steps are as follows:
Step 1, native case (1) case mouth down is vertically placed on to the selected position of fetching earth, and makes native case (1) case mouth and earth's surface close contact;
Step 2, at the top of native case (1), place loading platform (4), in loading platform (4) top, place counterweight (3), make native case (1) under the effect of counterweight (3) automatically in the incision soil body;
Step 3, at four edges of native case (1) fixing earth anchor (2) respectively, by native case (1) top corner by steel wire traction rope (5), connect with corresponding earth anchor (2) respectively;
Step 4, successively adopt excavator, Manual shovel except and the manual mode of getting of cutting remove native case (1) the limit wall soil body around, when the soil body removes process, along with native case (1) continue move down, constantly strain four steel wire traction ropes (5), until the soil in native case (1) is got the degree of depth of requirement;
Step 5, remove counterweight (3) and loading platform (4);
Step 6, use support (7) and steel sole plate (6) cut the soil body of native case (1) below:
Two bottom sides difference placing rack (7) and steel sole plate (6) at native case (1), the first web member is fixed respectively in the left and right sides in described support (7) bottom, in the left and right sides of described steel sole plate (6), be fixed for respectively the second web member using with the first web member corresponding matching, between the first web member of respective side and the second web member, connect draw-gear (8), pull two draw-gears (8) to make slowly bury case (1) bottom of horizontal cutting of steel sole plate (6), thereby native case (1) is separated with its bottom soil body, then native case (1) and steel sole plate (6) are fixed together,
Step 7, native case (1) is removed, completed and fetch earth.
2. according to the soil basketing method of the large volume original state soil body claimed in claim 1, it is characterized in that, the shape of the front side surface of described support (7) for matching with native case (1), two described the first web members are a hanger, two described the second web members are base plate hook, and two described draw-gears (8) are chain block.
3. according to the soil basketing method of the large volume original state soil body claimed in claim 1, it is characterized in that, it is even that the cross-sectional surface of described loading platform (4) and counterweight (3) is all greater than top surface area and the gravity of native case (1).
4. according to the soil basketing method of the large volume original state soil body claimed in claim 1, it is characterized in that, in step 4, the concrete grammar that removes the soil body is: first, usage mining machine spoil case (1) limit wall is the 50cm soil body in addition around, then the soil body of Manual shovel except native case (1) limit wall 10cm, last manual native case (1) the limit wall residue soil body of vertically pruning, at the whole soil body, remove in process, guarantee that native case (1) foundation does not produce and caves in and do not destroy the inner soil body of native case (1).
5. according to the soil basketing method of the large volume original state soil body claimed in claim 1, it is characterized in that, in step 4, when the soil body removes process, by suitable quantity of water, soak the soil of native case (1) bottom, and increase counterweight (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210120280.0A CN102645351B (en) | 2012-04-23 | 2012-04-23 | Mass undisturbed soil sampling method |
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| CN201210120280.0A CN102645351B (en) | 2012-04-23 | 2012-04-23 | Mass undisturbed soil sampling method |
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| CN102645351B true CN102645351B (en) | 2014-04-23 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103558052A (en) * | 2013-11-10 | 2014-02-05 | 镇江市科瑞制样设备有限公司 | Slide type sampling device |
| CN103967483B (en) * | 2014-04-25 | 2018-02-23 | 水利部牧区水利科学研究所 | Biological breadcrust undisturbed soil sampling device and sampling method for simulated rainfall experiment |
| CN106400770A (en) * | 2016-06-30 | 2017-02-15 | 中国电力科学研究院 | Soil mass sampling device, soil mass sampling system and soil mass sampling method |
| CN112663589A (en) * | 2021-01-13 | 2021-04-16 | 南京工业大学 | Large-size sample sampling device for undisturbed soil at bottom of foundation pit and using method thereof |
| CN114027085A (en) * | 2021-12-01 | 2022-02-11 | 重庆海淋源生态农业科技有限公司 | Rejuvenation method for injuring fruit trees by pesticide |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2597979Y (en) * | 2003-01-02 | 2004-01-07 | 王子平 | Ring inserted fastening type soil sample tube |
| CN201218780Y (en) * | 2008-01-21 | 2009-04-08 | 河南科技大学 | Portable undisturbed soil column sampler |
| CN201355313Y (en) * | 2009-01-14 | 2009-12-02 | 河海大学 | Deep layer profile soil sampler |
| CN201373812Y (en) * | 2009-04-01 | 2009-12-30 | 长安大学 | Portable deep soil sampler |
| CN102235944A (en) * | 2010-04-21 | 2011-11-09 | 中国科学院沈阳应用生态研究所 | Device and method for extracting undisturbed soil |
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2012
- 2012-04-23 CN CN201210120280.0A patent/CN102645351B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2597979Y (en) * | 2003-01-02 | 2004-01-07 | 王子平 | Ring inserted fastening type soil sample tube |
| CN201218780Y (en) * | 2008-01-21 | 2009-04-08 | 河南科技大学 | Portable undisturbed soil column sampler |
| CN201355313Y (en) * | 2009-01-14 | 2009-12-02 | 河海大学 | Deep layer profile soil sampler |
| CN201373812Y (en) * | 2009-04-01 | 2009-12-30 | 长安大学 | Portable deep soil sampler |
| CN102235944A (en) * | 2010-04-21 | 2011-11-09 | 中国科学院沈阳应用生态研究所 | Device and method for extracting undisturbed soil |
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