CN208537541U - A kind of ground that drying and watering cycle is coupled with temperature disintegration experimental provision - Google Patents
A kind of ground that drying and watering cycle is coupled with temperature disintegration experimental provision Download PDFInfo
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- CN208537541U CN208537541U CN201820795470.5U CN201820795470U CN208537541U CN 208537541 U CN208537541 U CN 208537541U CN 201820795470 U CN201820795470 U CN 201820795470U CN 208537541 U CN208537541 U CN 208537541U
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Abstract
A kind of ground that drying and watering cycle is coupled with temperature disintegration experimental provision, including support system, data collection system, measuring system and temperature control system, support system include braced frame, the first strut and the second strut；Data collection system includes balance；Measuring system includes: glass box, metal grill, ground sample and four cotton threads；Temperature control system includes thermometer and constant temperature water box；Glass box is placed in constant temperature water box, the top of constant temperature water box is equipped with balance through braced frame, one end level of balance is equipped with the first strut, ground sample is placed on metal grill, the top side of braced frame is equipped with the second strut, one end of thermometer is hung on the second strut, and the other end protrudes into glass box.The utility model structure is simple, easy to make, is tested suitable for different size and the sample of quality by the disintegration carried out on different temperatures, various sizes of metal grill after different drying moistening cycles, simply can directly observe the disintegration situation of sample.
Description
Technical field
The utility model relates to a kind of ground to be disintegrated laboratory apparatus, be specifically related to what a kind of drying and watering cycle was coupled with temperature
Ground is disintegrated experimental provision.
Background technique
Disintegration is also known as humidifying, refers to that structure is destroyed rapidly, strength loss, there is a phenomenon where ruptures to decompose after soil chance water.
The reason of ground is disintegrated is that water enters in hole or crack that situation is unbalanced, causes unbalance stress inside Rock And Soil, is generated
Stress concentration phenomenon peels off Rock And Soil along the maximum face of stress.
The disintegration experiment of ground is that directly sample is put into hydrostatic in early days, can intuitively find out the disintegration feelings of sample
Condition belongs to qualitative analysis, is unable to satisfy accurately quantitative measurement；That later disintegration experimental provision utilizes substantially is A Ji meter
Moral principle, measured using displacement ground sample disintegration situation, such as a kind of ground disintegration experiment instrument (201120002728.X,
CN201965067U), a kind of soil disintegration tester (200910273061.4, CN101710115B), large-scale granite residual is landslide
The big test block disintegration tester of Xie Yi (201110392742.X, CN1024435719A), loess (200920032423.6,
CN201397328Y).However, these types of method needs people in the prevalence of some drawbacks, such as first two laboratory apparatus and method
To determine that the stable state in water is submerged in experiment, and the upright of floating drum is kept, but floating drum situation is difficult to stablize, experiment knot
Fruit precision is poor；For another example a kind of ground disintegration experimental provision and method (201310347377.X, CN103399140B) are to utilize
Weight beam directly reads disintegration data, and assembly method is more complex, but above-mentioned disintegration laboratory apparatus is unable to control water
Temperature realizes the coupling of drying and watering cycle and temperature, and there are limitations for experiment, for the further development of scientific experiment, it is necessary to design
A kind of the ground disintegration experimental provision and its experimental method of temperature-adjustable.
Utility model content
The purpose of the utility model is to overcome the deficiencies in above-mentioned background technique, adapt to reality and need, providing one kind can
Adjust the ground disintegration experimental provision and its experimental method of temperature.
The technical solution adopted in the utility model is.
A kind of ground that drying and watering cycle is coupled with temperature disintegration experimental provision, including support system, data collection system, survey
Amount system and temperature control system, support system include braced frame, the first strut and the second strut；Data collection system includes day
It is flat；Measuring system includes: glass box, metal grill, ground sample and four cotton threads；Temperature control system includes thermometer, water
Bathe insulating box.
Wherein, glass box is placed in constant temperature water box, and the top of constant temperature water box is equipped with balance, balance through braced frame
One end level be equipped with the first strut, ground sample is placed on metal grill, and four corners of metal grill are first respectively
The upper end of cotton thread, the second cotton thread, third cotton thread, the 4th cotton thread, the first cotton thread and the second cotton thread twists into one and hangs over the first strut
One end, the upper end of third cotton thread and the 4th cotton thread twists into one other end for hanging over the first strut, the top one of braced frame
Side is equipped with the second strut, and one end of thermometer is hung on the second strut, and the other end protrudes into glass box.
Further, braced frame is made of supporting beam frame and four supporting legs, and four supporting legs are respectively arranged on constant temperature water bath
The external surrounding of case.
The experimental method of device described in the utility model, includes the following steps.
(1) glass box is added suitable water and is put into constant temperature water box, sets corresponding temperature by constant temperature water box, directly
Into glass box, temperature, that is, thermometer temperature of water reaches the temperature of setting.
(2) metal grill is put into glass box in a manner of unloaded with four cotton threads, adjusts metal grill and glass box
Position, adjust at this time reading of the first strut weight on balance be 0.
(3) ground sample is made with the standard cutting ring sample that volume is 60cm3, controls certain dry density and moisture content, passed through
The drying and watering cycle of certain number.
(4) water on metal grill is wiped, ground sample is placed on metal grill and is slowly immersed in water, when being totally immersed into
Immediate record balance reading m1 after in water, with the progress of disintegrating procedue, weight gradually mitigates ground sample, and balance reading is gradually
Reduce, is 10s, 20s, 30s, 1min, 1.5min to 1h recording balance reading according to time interval, hereafter every a hour record
Once, it is mt in the balance reading of different moments record, while observes different time sections ground sample disintegration phenomenon, when ground tries
Sample all disintegration finish or 1h in balance reading it is constant；The disintegration rate of ground is calculated using following formula
In formula, At is disintegration rate (%) of the ground sample in t moment；m1The instantaneous day to submerge for ground sample
Flat reading (g)；mtFor the reading (g) of ground sample balance in time t.
(5) according to the disintegration rate calculation formula of ground, different time sections different temperatures, different water cut, different dry are obtained
The disintegration rate of density and different size of mesh opening ground samples, draws the change curve of time and rate；Observable is different simultaneously
Period ground disintegration phenomenon, experiment terminate.
The utility model structure is simple, easy to make, cheap, compared with prior art, can not only measure rock
Disintegration, the disintegration of the soil body can also be measured, suitable for different size and the sample of quality in different temperatures, different sizes
Metal grill on carry out disintegration experiment, simply can directly observe the disintegration situation of sample.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the grid aperture size 9mm measured using the experimental provision of the utility model, moisture content 15%, 25 DEG C of temperature
Different dry density lower times and balance reading graph of relation.
Fig. 3 is the grid aperture size 6mm measured using the experimental provision of the utility model, moisture content 15%, temperature 25
DEG C, dry density 1.5g/cm3The relationship of disintegration amount and time under different drying moistening cycles.
In figure, 1: braced frame, 2: balance, 3: constant temperature water box, 4: glass box, 5: the first struts, 6: the second struts, 7:
Thermometer, 8: metal grill, 9: ground sample, 10: the first cotton threads, 11: the second cotton threads, 12: third cotton thread, 13: the four cotton threads,
101: supporting leg, 102: supporting beam frame.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
Embodiment 1: a kind of shown in Figure 1, ground disintegration experimental provision of temperature-adjustable, including support system, number
According to acquisition system, measuring system and temperature control system, support system includes braced frame 1, the first strut 5 and the second strut 6；Data
Acquisition system includes balance 2；Measuring system includes: glass box 4, metal grill 8, ground sample 9 and four cotton threads；Temperature control
System includes thermometer 7, constant temperature water box 3.
Wherein, glass box 4 is placed in constant temperature water box 3, and the top of constant temperature water box 3 is equipped with balance through braced frame 1
2, one end level of balance 2 is equipped with the first strut 5, and ground sample 9 is placed on metal grill 8, four corners of metal grill 8
Respectively be the first cotton thread 10, the second cotton thread 11, third cotton thread 12, the 4th cotton thread 13, the first cotton thread 10 and the second cotton thread 11 it is upper
It holds and twists into one one end for hanging over the first strut 5, the upper end of third cotton thread 12 and the 4th cotton thread 13 twists into one and hangs over first
The other end of bar 5, thus can be adjusted by four cotton threads metal grill 8 position and Control Assay and glass box bottom away from
From, and guarantee that sample can be completely immersed in water when measurement；The top side of braced frame 1 is equipped with the second strut 6, thermometer 7
One end is hung on the second strut 6, and the other end protrudes into glass box.
Braced frame 1 is made of supporting beam frame 102 and four supporting legs 101, and four supporting legs 101 are respectively arranged on water-bath perseverance
The external surrounding of incubator 3.
Constant temperature water box temperature-adjustable range is -100 DEG C of room temperature, the mesh number of metal grill 8 can according to different size and
The ground sample of quality is selected.
Embodiment 2: a kind of experimental method of ground disintegration experimental provision is as follows.
(1) glass box is added suitable water and is put into constant temperature water box, sets corresponding temperature by constant temperature water box 3,
Until the temperature of temperature, that is, thermometer 7 of water reaches the temperature of setting in glass box 4.
(2) metal grill is put into glass box in a manner of unloaded with four cotton threads, adjusts metal grill and glass box
Position, adjust at this time reading of the first strut weight on balance be 0.
(3) ground sample is made with the standard cutting ring sample that volume is 60cm3, controls certain dry density and moisture content.
(4) water on metal grill 8 is wiped, ground sample 9 is placed on metal grill 8 and is slowly immersed in water, whole is worked as
It is immersed in the water rear immediate record balance reading m1, with the progress of disintegrating procedue, weight gradually mitigates ground sample 9, and balance is read
Number is gradually reduced, and is 10s, 20s, 30s, 1min, 1.5min to 1h recording balance reading according to time interval, hereafter small every one
Shi Jilu is primary, is mt in the balance reading of different moments record, while observing 9 disintegration phenomenon of different time sections ground sample,
When ground sample 9 all disintegration finish or 1h in balance reading it is constant；The disintegration rate of ground is calculated using following formula
In formula, At is disintegration rate (%) of the ground sample in t moment；m1The instantaneous day to submerge for ground sample
Flat reading (g)；mtFor the reading (g) of ground sample balance in time t.
(5) according to the disintegration rate calculation formula of ground, obtain different time sections different temperatures, different drying moistening cycles,
The disintegration rate of different water cut, different dry densities and different size of mesh opening ground samples, the variation for drawing time and rate are bent
Line；Observable different periods ground disintegration phenomenon, experiment terminate simultaneously.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (2)
1. the ground that a kind of drying and watering cycle is coupled with temperature is disintegrated experimental provision, including support system, data collection system, measurement
System and temperature control system, feature is in support system includes braced frame (1), the first strut (5) and the second strut (6)；Data
Acquisition system includes balance (2)；Measuring system includes: glass box (4), metal grill (8), ground sample (9) and four cotton threads；
Temperature control system includes thermometer (7) and constant temperature water box (3)；
Wherein, glass box (4) is placed in constant temperature water box (3), and the top of constant temperature water box (3) is equipped with through braced frame (1)
One end level of balance (2), balance (2) is equipped with the first strut (5), and ground sample (9) is placed on metal grill (8), metal
Four corners of grid (8) are the first cotton thread (10), the second cotton thread (11), third cotton thread (12), the 4th cotton thread (13) respectively,
The upper end of one cotton thread (10) and the second cotton thread (11) twists into one one end for hanging over the first strut (5), third cotton thread (12) and
The upper end of four cotton threads (13) twists into one other end for hanging over the first strut (5), and the top side of braced frame (1) is equipped with second
Strut (6), one end of thermometer (7) are hung on the second strut (6), and the other end protrudes into glass box.
2. ground that a kind of drying and watering cycle according to claim 1 is coupled with temperature is disintegrated experimental provision, feature in,
Braced frame (1) is made of supporting beam frame (102) and four supporting legs (101), and four supporting legs (101) are respectively arranged on water-bath perseverance
The external surrounding of incubator (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820795470.5U CN208537541U (en) | 2018-05-25 | 2018-05-25 | A kind of ground that drying and watering cycle is coupled with temperature disintegration experimental provision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820795470.5U CN208537541U (en) | 2018-05-25 | 2018-05-25 | A kind of ground that drying and watering cycle is coupled with temperature disintegration experimental provision |
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| CN208537541U true CN208537541U (en) | 2019-02-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108776210A (en) * | 2018-05-25 | 2018-11-09 | 南昌大学 | A kind of ground that drying and watering cycle is coupled with temperature disintegration experimental provision and its experimental method |
| CN113075384A (en) * | 2021-03-30 | 2021-07-06 | 中山大学 | Tester and testing method for disintegration evolution law of dry-wet cycle soil sample |
-
2018
- 2018-05-25 CN CN201820795470.5U patent/CN208537541U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108776210A (en) * | 2018-05-25 | 2018-11-09 | 南昌大学 | A kind of ground that drying and watering cycle is coupled with temperature disintegration experimental provision and its experimental method |
| CN113075384A (en) * | 2021-03-30 | 2021-07-06 | 中山大学 | Tester and testing method for disintegration evolution law of dry-wet cycle soil sample |
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