CN106501302B - A kind of great burying soil swelling coefficient measuring method and system - Google Patents
A kind of great burying soil swelling coefficient measuring method and system Download PDFInfo
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- CN106501302B CN106501302B CN201610916515.5A CN201610916515A CN106501302B CN 106501302 B CN106501302 B CN 106501302B CN 201610916515 A CN201610916515 A CN 201610916515A CN 106501302 B CN106501302 B CN 106501302B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/16—Investigating or analyzing materials by the use of thermal means by investigating thermal coefficient of expansion
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Abstract
The embodiment of the invention provides a kind of great burying soil swelling coefficient measuring system and method, which includes: sampling module, for being sampled in advance to big buried soil, obtains the big buried soil in cutting ring；Preserving module, for saving the cutting ring together with the big buried soil in the cutting ring to glass container；Measurement module, length after being expanded for the big buried soil in the cutting ring that measurement is located in glass container interior at preset time intervals repeatedly, and calculate the variation coefficient of the length of the adjacent big buried soil measured twice, if the variation coefficient is less than preset threshold, the coefficient of expansion of the length after being expanded according to the soil of last time measurement and big buried soil described in the length computation of the cutting ring；The embodiment of the present invention can accurately measure the expansion length of the big buried soil in cutting ring by means of accommodating the glass container of cutting ring, to guarantee the accuracy of the coefficient of expansion of big buried soil.
Description
Technical field
The present invention relates to agrology experimental study apparatus fields, measure more particularly to a kind of great burying soil swelling coefficient
Method and system.
Background technique
Soil physical parameters and its HYDRODYNAMIC CHARACTERISTICS parameter are to study the important evidence of Soil Hydrological Process.In order to obtain soil
Earth physical parameter and its HYDRODYNAMIC CHARACTERISTICS parameter, generally using original-pack soil sampling.Currently, with the large scale mining of underground water,
The groundwater level depth in the North China Plain is down to 8 present~30m by 2~15m of the 1970s, and some areas are even up to
56m.So, the decline of level of ground water is so that the depth of investigation of Soil Hydrological Process has been extended to more than 20 from original several meters
The even greater range of rice.In agrology research field, big buried soil linear expansion is characterized in studying soil physico-chemical property weight
Want one of one of content, and characterization farmland swell-shrink characteristic soil important indicator.
Currently, generally using breathing variation in soil longitudinal direction in Wa Shi dilatometer measurement cutting ring, this method is more using contact
Point measurement, micrometer gauge elastic force can have certain influence to soil swelling process, in continuous mode with soil multiple-contact, it is most likely that
Lead to clods breaking, causes the difficulty in research；Some scholars are directly squeezed the soil modulated on glass plate with syringe, in length
Then strip is changed with micrometer measured length, this method uses contact measurement, and strip soil is caused due to thickness unevenness
Contraction process unbalance stress forms nonlinear shrinkage, is easily broken, measurement result is influenced by extraneous factor.
Obviously, said determination method uses contact measurement, the inconvenient expansion system for being no longer satisfied big buried soil
Several measurement requests has coefficient of expansion inaccuracy.
Summary of the invention
The embodiment of the present invention the technical problem to be solved is that provide a kind of great burying soil swelling coefficient measuring system and
Method, to solve the coefficient of expansion inaccuracy of existing big buried soil described in the measurement scheme of the coefficient of expansion in the prior art
The problem of.
To solve the above-mentioned problems, according to an aspect of the present invention, the invention discloses a kind of great burying soil swellings
Coefficient measuring system, comprising:
Sampling module obtains the big buried soil in cutting ring for being sampled in advance to big buried soil；
Preserving module, for saving the cutting ring together with the big buried soil in the cutting ring to glass container, wherein
The glass container includes internal layer and outer layer, and the internal diameter of the internal layer is identical as the outer diameter of the cutting ring, the outer diameter of the cutting ring
It fits with the internal diameter of the internal layer, expandable osmotic occurs under atmospheric pressure of the soil in the cutting ring in glass container to institute
It states between the internal layer of glass container and the outer layer；
Measurement module is located at the big buried soil in the cutting ring in glass container for repeatedly measurement interior at preset time intervals
Earth expand after length, and the variation coefficient of the length of the adjacent big buried soil measured twice is calculated, if the variation
Coefficient is less than preset threshold, then the length gauge of length and the cutting ring after being expanded according to the soil of last time measurement
Calculate the coefficient of expansion of the big buried soil；
Wherein, the sampling module includes:
Handle is hollow structure, capstan winch is equipped in the top of the handle and the hollow structure；
Drill bit, including inner and outer wall, the inner wall include upper layer groove and lower bay, wherein the upper layer groove
The first space is separately formed with the upper section of the drill bit, the lower section of the lower bay and the drill bit is separately formed
Second space；Wherein, the inner wall is installed on cutting ring, and the cutting ring is the rounded cylindrical structure of hollow and upper and lower section opening,
And be fastened between the upper layer groove and the lower bay and be bonded with the inner wall, for taking soil；
Connecting rod is inside equipped with two L-type steel silks for the hollow structure being connected between the handle and the drill bit；Its
In, the vertical component of two L-type steel silks is threaded through in the connecting rod, and the upper section of the vertical component is threaded through
In the hollow structure of the handle, and the upper section is connect with the capstan winch, the horizontal component difference of two L-type steel silks
Setting in first space and the second space, for cut under the drive of the capstan winch of rotation the cutting ring,
The soil of lower surface.
According to another aspect of the present invention, the invention also discloses a kind of great burying soil swelling coefficient measuring method,
Include:
Big buried soil is sampled using big buried soil sampling apparatus in advance, obtains the big buried soil in cutting ring
Earth；
The cutting ring is saved together with the big buried soil in the cutting ring to glass container, wherein the glass container
Including internal layer and outer layer, the internal diameter of the internal layer is identical as the outer diameter of the cutting ring, the outer diameter of the cutting ring and the internal layer
Internal diameter fits, and expandable osmotic occurs under atmospheric pressure of the soil in the cutting ring in glass container to the glass container
Between the internal layer and the outer layer；
After the big buried soil in cutting ring that repeatedly measurement is located in glass container at preset time intervals expands
Length；
Calculate the variation coefficient of the length of the adjacent big buried soil measured twice；
If the variation coefficient be less than preset threshold, according to last time measurement soil expand after length with
And the coefficient of expansion of big buried soil described in the length computation of the cutting ring；
Wherein, the big buried soil sampling apparatus includes:
Handle is hollow structure, capstan winch is equipped in the top of the handle and the hollow structure；
Drill bit, including inner and outer wall, the inner wall include upper layer groove and lower bay, wherein the upper layer groove
The first space is separately formed with the upper section of the drill bit, the lower section of the lower bay and the drill bit is separately formed
Second space；Wherein, the inner wall is installed on cutting ring, and the cutting ring is the rounded cylindrical structure of hollow and upper and lower section opening,
And be fastened between the upper layer groove and the lower bay and be bonded with the inner wall, for taking soil；
Connecting rod is inside equipped with two L-type steel silks for the hollow structure being connected between the handle and the drill bit；Its
In, the vertical component of two L-type steel silks is threaded through in the connecting rod, and the upper section of the vertical component is threaded through
In the hollow structure of the handle, and the upper section is connect with the capstan winch, the horizontal component difference of two L-type steel silks
Setting in first space and the second space, for cut under the drive of the capstan winch of rotation the cutting ring,
The soil of lower surface.
Compared with prior art, the embodiment of the present invention includes following advantages:
It, can be by means of accommodating the glass container of cutting ring come to cutting ring by means of the technical solution of the above embodiment of the present invention
The expansion length of interior big buried soil is accurately measured, to guarantee the accuracy of the coefficient of expansion of big buried soil.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of great burying soil sampling apparatus of the embodiment of the present invention；
Fig. 2 is the enlarged diagram of a kind of handle and capstan winch of the embodiment of the present invention；
Fig. 3 is a kind of enlarged diagram of drill bit of the embodiment of the present invention；
Fig. 4 is a kind of enlarged diagram of connecting rod of the embodiment of the present invention；
Fig. 5 is a kind of schematic diagram of the measuring device of big buried soil coefficient of expansion of the embodiment of the present invention；
Fig. 6 is a kind of step flow chart of big buried soil coefficient of expansion measurement method of the embodiment of the present invention；
Fig. 7 is a kind of structural block diagram of big buried soil coefficient of expansion measuring system of the embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
The measurement method of the big buried soil coefficient of expansion to facilitate the understanding of the present invention, firstly, being taken to big buried soil
Sampling device is explained, and referring to Fig.1, in the present embodiment, shows a kind of showing for great burying soil sampling apparatus of the invention
It is intended to, great burying soil sampling apparatus according to an embodiment of the present invention specifically includes:
Handle 1 is hollow structure, and Fig. 2 is the enlarged diagram in Fig. 1 about handle 1 and capstan winch 4, referring to Figures 1 and 2,
It is interior equipped with capstan winch 4 in the top of the handle 1 and the hollow structure；Also, handle 1 and capstan winch 4 can rotate.
Drill bit, Fig. 3 are the enlarged diagram of drill bit in Fig. 1, and referring to Figure 1 and Figure 3, the drill bit includes inner wall 6 and outer wall 5,
It can be solid construction between the inner wall 6 and outer wall 5 and be also possible to hollow structure, it in various embodiments can be according to reality
Need flexible setting；
Wherein, the inner wall 6 includes upper layer groove (not shown) and lower bay (not shown), wherein the upper layer is recessed
The upper section of slot and the drill bit separately forms the lower section separately shape in the first space, the lower bay and the drill bit
At second space；
Wherein, the inner wall 6 is also installed on cutting ring 7, and the cutting ring 7 is the rounded cylindrical of hollow and upper and lower section opening
Structure, and be fastened between the upper layer groove and the lower bay and be bonded with the inner wall 6, for taking soil；
In the present embodiment, the upper layer groove and lower bay are for cutting ring 7 to be fastened in the inner wall 6 of drill bit, therefore,
The shape of upper layer groove and lower bay can be identical or different, their shape can be ring groove, and to be also possible to sawtooth recessed
Slot, as long as cutting ring 7 can be fastened on inner wall 6 by they.Therefore, shape of the present invention for upper layer groove and lower bay
Shape, structure are simultaneously not especially limited.
Connecting rod 2, Fig. 4 are the enlarged diagram of connecting rod in Fig. 1, and referring to Fig.1 and Fig. 4, the connecting rod is is connected to
It states the hollow structure between handle 1 and the drill bit, is inside equipped with two L-type steel silks (Fig. 1 only illustrates a L-type steel silk 8)；
Wherein, the vertical component 8a of two L-type steel silks is threaded through in the connecting rod, and the upper section of the vertical component is worn
It is located in the hollow structure of the handle 1, and the upper section is connect with the capstan winch 4, the horizontal part of two L-type steel silks
It is separately positioned on first space and the second space (illustrating the steel wire for being located at the first space A here),
For when capstan winch 4 rotates, the soil that 7 upper and lower surfaces of cutting ring are cut under the drive of the capstan winch 4 (to be located at first
The soil in space, second space and the upper lower section beyond cutting ring 7).
And using above-mentioned great burying soil sampling apparatus carry out specifically take soil operation when, can by rotational handle 1 come
Drill bit is pierced in big buried soil, so that the cutting ring 7 of drill bit internal be made to take soil；Wherein, due to the upper lower section of cutting ring 7 with
All there is space between the upper lower section of drill bit, in this way, when drill bit takes out from big buried soil, upper and lower section of cutting ring 7
Big buried soil can be covered with above face, then the soil for being located at the first space and second space will be in cutting ring 7
Soil plays the role of keeping pressure.So after the completion of boring soil, big buried soil sampling apparatus is reached on ground, due to first
The soil of space and second space will play the role of the soil in cutting ring 7 to keep pressure, to can make in cutting ring 7
Soil is in the soil pressure under big buried environment locating when boring soil, i.e. soil in cutting ring 7 can be by the more of upper lower section
Remaining soil pressurization, the pressure value is identical as the reset pressure under big buried environment, can thus arrive to avoid the soil of sampling
The problem of expanding because pressure is lost after up to ground, cause soil parameters to be distorted, be unfavorable for soil analysis.
Then, under the conditions of the soil in cutting ring 7 keeps the soil pressure of great burying soil substantially, by means of above-mentioned two L
Shaped steel wire completes cutting to the soil of lower section on cutting ring 7, has both been avoided that the cutting ring sample process middle ring of traditional technology in this way
Knife soil at both sides cracky, needs the problem of repairing before testing using cutting ring, meanwhile, and it is avoided that soil pressure release to cutting ring 7
Deformation caused by interior soil.Relevant feature parameters to guarantee the pedotheque obtained are accurate, and then accurately measure depth
The relevant feature parameters of layer soil.
In addition, since the soil analyzed is the soil inside cutting ring 7, carrying out soil analysis
Before, it is also necessary to removal is located at soil extra on lower section on cutting ring 7, at this moment steel wire 8 can be made to receive by rotation capstan winch 4
Tightly, due to the horizontal component that the steel wire for being located at the first space and second space is L-type, extra soil can thus be cut
Fall, to obtain the soil in the cutting ring 7 for soil analysis.
It, can be empty by the first space and second after the completion of taking soil by means of the technical solution of the above embodiment of the present invention
Between in the soil that is located on cutting ring on lower section pressurize to the soil in cutting ring, that is to say, that use great burying soil of the present invention
After sampler buries, the cutting of the soil body can be just completed under the conditions of keeping the soil pressure of great burying soil substantially.To keep away
The soil for having exempted to be derived under big buried environment is expanded because ground is reached without ambient pressure, causes asking for soil parameters distortion
Topic；Meanwhile the horizontal component by the way that L-type steel silk is arranged in the first space and second space, it can need to carry out soil analysis
Before, the soil for maintaining reset pressure in required cutting ring is obtained, can guarantee the accuracy of soil parameters analysis.So both
It is avoided that cutting ring soil at both sides cracky during the cutting ring sample of traditional technology, need to repair before being tested using cutting ring is asked
Topic, meanwhile, and it is avoided that soil pressure discharges the deformation caused by the soil in cutting ring.To guarantee the phase of the pedotheque obtained
Pass characteristic parameter is accurate, and then accurately measures the relevant feature parameters of deep soil.
With continued reference to Fig. 1~4, on the basis of the above embodiments, the big of the embodiment of the present invention is discussed further below
Buried depth soil sampling apparatus.
Optionally, in one embodiment, for cutting two L-type steels of the soil of the cutting ring upper and lower surfaces
The horizontal component of silk can be fastened on the upper layer groove and the lower bay respectively before cutting soil.
Correspondingly, in the present embodiment, steel wire 8 is used for the tightening when capstan winch 4 rotates and covers to cut 7 upper surface of cutting ring
Extra soil, and before cutting soil, the horizontal component 8b of the steel wire 8 be fastened on it is recessed positioned at the upper layer of the first space A
In slot；The tightening when capstan winch 4 rotates is used for for unshowned another to cut the extra soil of 7 lower surface of cutting ring covering
The steel wire 8 of earth, horizontal component are positioned in the lower bay of second space B.
In this way, steel wire 8 can be made to have the position that can be blocked in drill bit, avoided in great burying when steel wire 8 is not used
When soil sampling apparatus is mobile, which rocks in drill bit internal and damages all parts that can be collided.
In the present embodiment, for steel wire 8, used riding position is used to block using existing when unused
On the one hand the firmly upper and lower level groove of cutting ring 7 can save the manufacturing cost of great burying soil sampling apparatus in this way, on the other hand may be used
To avoid in the lesser drill bit of volume, more notches are set；Certainly, in different embodiments, those skilled in the art
Other can be arranged in drill bit internal according to actual needs can block the other component of steel wire 8 when not used in steel wire 8, only
It is able to maintain steel wire 8 not rock, the present invention is to this and is not specifically limited.
Optionally, in another embodiment, when rotation capstan winch taut wire cuts the soil on lower section on cutting ring
After the completion, for the purposes of avoiding steel wire from shaking in first or second space, the inner wall of drill bit according to an embodiment of the present invention is also
Include: the first inside groove and the second inside groove, wherein first inside groove be located at the upper layer groove and the drill bit upper section it
Between, second inside groove is between the lower bay and the lower section of the drill bit；And for cut the cutting ring,
The horizontal component of two L-type steel silks of the soil of lower surface be fastened on respectively after cutting soil first inside groove and
Second inside groove.
Correspondingly, in the present embodiment, referring to Figure 1 and Figure 3, there is illustrated be located at upper layer groove and drill bit upper section it
Between the first inside groove 9a and the second inside groove 9b between lower bay and drill bit lower section, in this way, when steel wire 8 to extra
After the completion of soil cutting, so that it may be fastened in corresponding inside groove automatically.
Optionally, in another embodiment, the L corner part of two L-type steel silks is circular arc type, the turning L
Part has smooth surface, in this way when the horizontal component of steel wire is when cutting soil, since horizontal component and the upper and lower of cutting ring are cut
The soil in face directly contacts, if the L corner part is perpendicular type, which is easy to abrasion so that steel wire is disconnected
It splits.Therefore, L corner part is made into circular arc type in the present embodiment, thus make the turning avoid with cutting soil or its
He directly contacts part, extends the service life of steel wire.
Correspondingly, the L-type corner part 8b of the L-type steel silk 8 is circular arc type in embodiment shown in referring to Figure 1 and Figure 3,
The service life of steel wire 8 can be extended in this way.
Certainly, although only defining that L corner part is circular arc type and with smooth surface in the present embodiment,
It is that in different embodiments, steel wire 8 can be easy contact other component or soil during rotation according to actual needs
Various pieces are all made into circular arc type and have smooth surface, to further increase the service life of steel wire 8.
In addition, in one embodiment, cutting ring and drill bit can directly be carried out integrated setting, i.e., referring to above-mentioned implementation
Cutting ring is stuck in drill bit by two layers of groove of setting described in example.
Certainly, in another embodiment, in order to replace cutting ring at any time, cutting ring can also be arranged to drill bit non-
Integrated setting, specifically, opening can be respectively set in the same side of the inner wall and the outer wall and be opened with described
The matched cover board of mouth, and the size of the opening is greater than the size of the cutting ring.The opening is for installing the cutting ring in institute
It states inner wall and takes out the cutting ring from the inner wall 6；The cover board is used to the cutting ring being fixed on the inner wall.
Specifically, when needing to take soil from underground, cutting ring to be inserted into the inner wall of drill bit by the way that the opening is arranged；That
In order to be remained stationary in drill bit during underground takes soil in cutting ring, therefore, it is also desirable to be arranged mating with the opening size
Cover board, cutting ring can be made to remain stationary in drill bit internal by covering the cover board, improve soil extracting efficiency；It meanwhile being also cutting ring
Achieve the effect that fixed offer is further in drill bit to ensure.
In addition, in the present embodiment, referring to Figure 1 and Figure 3, drill bit according to an embodiment of the present invention is hollow, rounded cylindrical
Structure, and the lower section of the drill bit is hatch frame, in this way when drill bit is got into underground by rotational handle 1, soil is
Cutting ring 7 can be entered by the lower section of drill bit.
Optionally, cutting ring 7 is also rounded cylindrical structure, and cutting ring 7 can be made to be easier to be bonded the inner wall 6 with drill bit in this way；
In addition, the embodiment of the present invention for the tubular structure of drill bit and cutting ring 7 shape and be not specifically limited, they can be circle
Shape is also possible to the other shapes such as polygon, as long as they are the hollow structures of lower section opening.
Optionally, in the present embodiment, referring to Fig.1 and Fig. 4, connecting rod 2 according to an embodiment of the present invention may include more
Sub- connecting rod 2a, 2b, 2c of a threaded connection.Wherein, for any one sub- connecting rod, the junction of one end has appearance
The junction of face screw thread, the other end has inner surface screw thread, can guarantee the mating connection of the sub- connecting rod of any two in this way.
And during actually taking soil, as the sub- connecting rod that the deep depth difference for boring soil can connect different number is come
Constitute the connecting rod of different length；During taking soil, if it find that the length when front rod is inadequate, it can be directly most upper
Increase sub- connecting rod at the sub- connecting rod at end to extend the length of connecting rod, to continue to bore soil, without by drill bit from soil
Middle taking-up improves the convenience for taking soil.
When use great burying soil sampling apparatus shown in FIG. 1 takes native completion under big buried environment, so that it may to cutting ring 7
Interior soil carries out the measurement of the coefficient of expansion.
Specifically, showing the step of the big buried soil coefficient of expansion measurement method of one embodiment of the invention referring to Fig. 6
Rapid flow chart, specifically comprises the following steps:
Step 601, big buried soil is sampled using big buried soil sampling apparatus in advance, is obtained big in cutting ring
Buried soil；
That is, the big buried soil sampling apparatus in above-described embodiment using the embodiment of the present invention is in the mistake to soil sample
Journey.Here the undisturbed soil of designated volume can be obtained, and be used for the survey of the coefficient of expansion under the conditions of keeping great burying undisturbed soil
Amount.
Wherein, the specific structure of the big buried soil sampling apparatus is made in the above-described embodiments elaborates, and has
Body is referring to above, and details are not described herein.
Step 602, the cutting ring is saved together with the big buried soil in the cutting ring to glass container；
That is, after the completion of taking soil needing that cutting ring 7 is put into glass container 10 immediately, which is
Enclosed box body, the glass container (referring to the glass container 10 in Fig. 5) include internal layer 10a and outer layer 10b, the internal layer 10a
Internal diameter it is identical as the outer diameter of the cutting ring 7, the outer diameter of the cutting ring 7 and the internal diameter of the internal layer 10a fit, the cutting ring
Soil in 7 expands from the upper lower section of cutting ring 7 under the atmospheric pressure in glass container 10 and infiltrates into the glass container
Between 10 the internal layer 10a and the outer layer 10b, i.e. region C and region D；
Wherein, there is space C, D, and internal layer is engraved structure between the internal layer 10a and outer layer 10b of glass container 10, it can
Make soil permeability in cutting ring 7 to space C, D, i.e. region C and D.
Step 603, repeatedly measurement interior at preset time intervals is located at the big buried soil hair in the cutting ring in glass container
Length after raw expansion；
Wherein it is possible to measure the length after the soil in following cutting ring 7 expands every several hours (such as 6 hours)
Degree；
Step 604, the variation coefficient of the length of the adjacent big buried soil measured twice is calculated；
After the length after measurement expands twice, the length after the adjacent big buried soil measured twice expands all is calculated
The variation coefficient of degree, that is, calculate the difference of the length after the adjacent big buried soil measured twice expands, then calculates the difference
The ratio of value interval time (i.e. above-mentioned 6 hours) measured twice adjacent with this, i.e. variation coefficient.Wherein, since glass holds
Device 10 is transparent glass material, therefore can directly be surveyed from the outer surface of glass container to the length after soil swelling
Amount, can guarantee the accuracy of linear measure longimetry.
Step 605, if the variation coefficient is less than preset threshold, after being expanded according to the soil of last time measurement
Length and the cutting ring length computation described in big buried soil the coefficient of expansion.
Wherein, if less than one preset threshold (such as 1%) of the variation coefficient, illustrates answering for the soil in cutting ring
Power has discharged completion, measures the length after the big buried soil expands, i.e. the soil hair of last time measurement again at this time
Length after raw expansion.And the big depth in the length computation cutting ring 7 after being expanded according to the soil that the last time measures
Bury the coefficient of expansion of soil.
By means of the measurement scheme of the embodiment of the present invention, the embodiment of the present invention can be by means of the glass container of receiving cutting ring
The expansion length of big buried soil in cutting ring accurately measured, to guarantee the standard of the coefficient of expansion of big buried soil
Exactness.
Wherein, in one embodiment, it when executing step 605, can be accomplished by the following way: described in calculating most
The difference of the length of length and the cutting ring after the soil of one-shot measurement expands afterwards；Calculate the difference and the cutting ring
Length ratio, obtain the coefficient of expansion of the big buried soil.
Wherein, in one embodiment, the cutting ring 7 is the rounded cylindrical structure of hollow and upper and lower section opening, in this way
It is infiltrated into region C and D after the big buried soil in cutting ring 7 can be made to expand.
Wherein, due to using above-mentioned big buried soil sampling apparatus, the cutting ring 7 after taking soil is placed in the glass
When glass container, take pressure when soil identical under the pressure of the big buried soil in the cutting ring 7 and big buried environment.It in this way can be with
Guarantee that the coefficient of expansion of measurement is based entirely on big buried soil, ensure that the accuracy of measurement of the coefficient of expansion.
Optionally, it can have scale on the length direction of the glass container 10, may not need in this way by means of outside
Equipment directly measures the length after big buried soil swelling according to the scale.
According to an embodiment of the invention, it is corresponding with above-mentioned big buried soil coefficient of expansion measurement method, referring to Fig. 7, also
Provide a kind of great burying soil swelling coefficient measuring system.The system includes:
Sampling module 71 obtains the big buried soil in cutting ring for being sampled in advance to big buried soil；
Wherein, which can be any one big buried soil sample described in above-mentioned each embodiment
Device.
Preserving module 72, for saving the cutting ring together with the big buried soil in the cutting ring to glass container,
In, the glass container includes internal layer and outer layer, and the internal diameter of the internal layer is identical as the outer diameter of the cutting ring, outside the cutting ring
The internal diameter of diameter and the internal layer fits, and expandable osmotic occurs extremely under atmospheric pressure of the soil in the cutting ring in glass container
Between the internal layer and the outer layer of the glass container；
Measurement module 73 is located at big buried in the cutting ring in glass container for repeatedly measurement interior at preset time intervals
Soil expand after length, and the variation coefficient of the length of the adjacent big buried soil measured twice is calculated, if the change
Change coefficient and is less than preset threshold, then the length of length and the cutting ring after being expanded according to the soil of last time measurement
Calculate the coefficient of expansion of the big buried soil.
Optionally, the measurement module 73 is also used to calculate the length after the soil that the last time measures expands
The difference of degree and the length of the cutting ring, and the ratio of the length of the difference and the cutting ring is calculated, obtain the big depth
Bury the coefficient of expansion of soil.
Optionally, the cutting ring is the rounded cylindrical structure of hollow and upper and lower section opening.
Preferably, when the cutting ring after taking soil is placed in the glass container, the pressure of the big buried soil in the cutting ring
Take pressure when soil identical under big buried environment.
Optionally, there is scale on the length direction of the glass container.
It should be noted that the enlarged diagram of Fig. 2, Fig. 3 and Fig. 4 for different piece in Fig. 1, while the cutting ring in Fig. 5
Identical as the cutting ring 7 in Fig. 1 and Fig. 3, therefore, identical label indicates identical meaning in Fig. 2~Fig. 5 and Fig. 1, herein
No longer illustrate one by one for each attached graph laplacian, refers to mutually.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence " including one ... ... " limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of great burying soil swelling coefficient measuring system provided by the present invention and method, detailed Jie has been carried out
It continues, used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only
It is to be used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to this hair
Bright thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not manage
Solution is limitation of the present invention.
Claims (10)
1. a kind of great burying soil swelling coefficient measuring system, the great burying soil swelling coefficient measuring system includes: sampling
Module, preserving module and measurement module, which is characterized in that the system comprises:
The sampling module obtains the big buried soil in cutting ring for being sampled in advance to big buried soil；
The preserving module, for saving the cutting ring together with the big buried soil in the cutting ring to glass container, wherein
The glass container includes internal layer and outer layer, and the internal diameter of the internal layer is identical as the outer diameter of the cutting ring, the outer diameter of the cutting ring
It fits with the internal diameter of the internal layer, expandable osmotic occurs under atmospheric pressure of the soil in the cutting ring in glass container to institute
It states between the internal layer of glass container and the outer layer；
The measurement module is located at the big depth in the cutting ring in glass container for repeatedly measurement interior at preset time intervals
The length after soil expands is buried, and calculates the variation coefficient of the length of the adjacent big buried soil measured twice, if described
Variation coefficient is less than preset threshold, then the length of length and the cutting ring after being expanded according to the soil of last time measurement
Degree calculates the coefficient of expansion of the big buried soil；
Wherein, the sampling module includes:
Handle is hollow structure, capstan winch is equipped in the top of the handle and the hollow structure；
Drill bit, including inner and outer wall, the inner wall include upper layer groove and lower bay, wherein the upper layer groove and institute
The upper section for stating drill bit separately forms the first space, the lower section of the lower bay and the drill bit separately forms second
Space；Wherein, the inner wall is installed on cutting ring, and the cutting ring is the rounded cylindrical structure of hollow and upper and lower section opening, and blocks
It is located between the upper layer groove and the lower bay and is bonded with the inner wall, for taking soil；
Connecting rod is inside equipped with two L-type steel silks for the hollow structure being connected between the handle and the drill bit；Wherein, institute
The vertical component for stating two L-type steel silks is threaded through in the connecting rod, and the upper section of the vertical component be threaded through it is described
In the hollow structure of handle, and the upper section is connect with the capstan winch, and the horizontal component of two L-type steel silks is respectively set
In first space and the second space, for cutting the upper and lower table of the cutting ring under the drive of the capstan winch of rotation
The soil in face.
2. system according to claim 1, which is characterized in that
The measurement module, the length for being also used to calculate after the soil that the last time measures expands and the cutting ring
The difference of length, and the ratio of the length of the difference and the cutting ring is calculated, obtain the expansion system of the big buried soil
Number.
3. system according to claim 1, which is characterized in that the cutting ring is the circle of hollow and upper and lower section opening
Tubular structure.
4. system according to claim 1, which is characterized in that when the cutting ring after taking soil is stored in the glass container, institute
It states the pressure of the big buried soil in cutting ring and takes pressure when soil identical under buried environment greatly.
5. system according to claim 1, which is characterized in that have scale on the length direction of the glass container.
6. a kind of great burying soil swelling coefficient measuring method characterized by comprising
Big buried soil is sampled using big buried soil sampling apparatus in advance, obtains the big buried soil in cutting ring；
The cutting ring is saved together with the big buried soil in the cutting ring to glass container, wherein the glass container includes
Internal layer and outer layer, the internal diameter of the internal layer is identical as the outer diameter of the cutting ring, the internal diameter of the outer diameter of the cutting ring and the internal layer
It fits, occurs described in expandable osmotic to the glass container under atmospheric pressure of the soil in the cutting ring in glass container
Between internal layer and the outer layer；
After the big buried soil in the cutting ring that repeatedly measurement is located in glass container at preset time intervals expands
Length；
Calculate the variation coefficient of the length of the adjacent big buried soil measured twice；
Length and institute if the variation coefficient is less than preset threshold, after being expanded according to the soil of last time measurement
State the coefficient of expansion of big buried soil described in the length computation of cutting ring；
Wherein, the big buried soil sampling apparatus includes:
Handle is hollow structure, capstan winch is equipped in the top of the handle and the hollow structure；
Drill bit, including inner and outer wall, the inner wall include upper layer groove and lower bay, wherein the upper layer groove and institute
The upper section for stating drill bit separately forms the first space, the lower section of the lower bay and the drill bit separately forms second
Space；Wherein, the inner wall is installed on cutting ring, and the cutting ring is the rounded cylindrical structure of hollow and upper and lower section opening, and blocks
It is located between the upper layer groove and the lower bay and is bonded with the inner wall, for taking soil；
Connecting rod is inside equipped with two L-type steel silks for the hollow structure being connected between the handle and the drill bit；Wherein, institute
The vertical component for stating two L-type steel silks is threaded through in the connecting rod, and the upper section of the vertical component be threaded through it is described
In the hollow structure of handle, and the upper section is connect with the capstan winch, and the horizontal component of two L-type steel silks is respectively set
In first space and the second space, for cutting the upper and lower table of the cutting ring under the drive of the capstan winch of rotation
The soil in face.
7. according to the method described in claim 6, it is characterized in that, it is described according to last time measurement soil expand after
Length and the cutting ring length computation described in big buried soil the coefficient of expansion the step of include:
Calculate the difference of the length of the length after the soil that the last time measures expands and the cutting ring；
The ratio for calculating the length of the difference and the cutting ring obtains the coefficient of expansion of the big buried soil.
8. according to the method described in claim 6, it is characterized in that, the cutting ring is the circle of hollow and upper and lower section opening
Tubular structure.
9. according to the method described in claim 6, it is characterized in that, when the cutting ring after taking soil is stored in the glass container, institute
It states the pressure of the big buried soil in cutting ring and takes pressure when soil identical under buried environment greatly.
10. according to the method described in claim 6, it is characterized in that, there is scale on the length direction of the glass container.
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| CN113466282B (en) * | 2021-07-02 | 2023-03-21 | 兰州空间技术物理研究所 | Device, system and method for measuring thermal deformation displacement of grid assembly in atmospheric environment |
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| JP2964099B2 (en) * | 1990-11-28 | 1999-10-18 | セイコーインスツルメンツ株式会社 | Sample mounting device for thermomechanical analyzer |
| CN102175478A (en) * | 2011-01-28 | 2011-09-07 | 河海大学 | System and method for sampling soil |
| CN103196697A (en) * | 2013-02-20 | 2013-07-10 | 兰州大学 | Screw type soil-taking and sample-cutting apparatus |
| CN103604660A (en) * | 2013-11-04 | 2014-02-26 | 浙江大学 | Soil vertical section millimeter micro domain soil layer sampling method and sampling device used in method |
| CN205103249U (en) * | 2015-11-12 | 2016-03-23 | 中国科学院南京土壤研究所 | Farmland soil coefficient of linear expansion surveys device |
| CN105866383A (en) * | 2016-06-01 | 2016-08-17 | 桂林理工大学 | Instrument for measuring expansibility under humid-control environment |
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| US7171851B2 (en) * | 2004-12-28 | 2007-02-06 | Schlumberger Technology Corporation | Temperature compensated strain measurement |
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|---|---|---|---|---|
| JP2964099B2 (en) * | 1990-11-28 | 1999-10-18 | セイコーインスツルメンツ株式会社 | Sample mounting device for thermomechanical analyzer |
| CN102175478A (en) * | 2011-01-28 | 2011-09-07 | 河海大学 | System and method for sampling soil |
| CN103196697A (en) * | 2013-02-20 | 2013-07-10 | 兰州大学 | Screw type soil-taking and sample-cutting apparatus |
| CN103604660A (en) * | 2013-11-04 | 2014-02-26 | 浙江大学 | Soil vertical section millimeter micro domain soil layer sampling method and sampling device used in method |
| CN205103249U (en) * | 2015-11-12 | 2016-03-23 | 中国科学院南京土壤研究所 | Farmland soil coefficient of linear expansion surveys device |
| CN105866383A (en) * | 2016-06-01 | 2016-08-17 | 桂林理工大学 | Instrument for measuring expansibility under humid-control environment |
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