CN106501302A - 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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- CN106501302A CN106501302A CN201610916515.5A CN201610916515A CN106501302A CN 106501302 A CN106501302 A CN 106501302A CN 201610916515 A CN201610916515 A CN 201610916515A CN 106501302 A CN106501302 A CN 106501302A
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- G—PHYSICS
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- 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
A kind of great burying soil swelling coefficient measuring system and method is embodiments provided, the system includes：Sampling module, for being sampled to buried greatly soil in advance, obtains the big buried soil in cutting ring；Preserving module, for preserving to glass container the cutting ring together with the big buried soil in the cutting ring；Measurement module, length after expanding for the interior at preset time intervals multiple big buried soil measured in the cutting ring being located in glass container, and calculate the variation coefficient of the length of the adjacent big buried soil for measuring twice, if the variation coefficient be less than predetermined threshold value, according to last time measurement soil expand after length and the cutting ring length computation described in buried greatly soil the coefficient of expansion；The embodiment of the present invention can be accurately measured to the expansion length of the big buried soil in cutting ring by means of the glass container of receiving cutting ring, so as to ensure the degree of accuracy of the coefficient of expansion of buried greatly soil.
Description
Technical field
The present invention relates to agrology experimental study apparatus field, more particularly to a kind of great burying soil swelling coefficient measurement
Method and system.
Background technology
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, typically using original-pack soil sampling.At present, 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 20 century 70s, and some areas are even up to
56m.So, the decline of level of ground water causes the depth of investigation of Soil Hydrological Process to be extended to more than 20 from original several meters
The even more big scope of rice.In agrology research field, buried greatly soil linear expansion is characterized in that research soil physico-chemical property weight
One of content is wanted, and characterizes one of farmland swell-shrink characteristic soil important indicator.
At present, soil longitudinal direction breathing change in cutting ring is determined using Wa Shi dilatometers typically, the method is more using contact
Point measurement, micrometer gauge elastic force can have certain impact to soil swelling process, with soil multiple-contact in continuous mode, it is most likely that
Cause clods breaking, cause the difficulty on studying；Also scholar is directly squeezed the soil for modulating on glass plate, in length with syringe
Strip, is then changed with micrometer measured length, and the method adopts contact measurement, and strip soil is uneven due to thickness, causes
Contraction process unbalance stress, forms nonlinear shrinkage, easily ruptures, and measurement result is affected greatly by extraneous factor.
Obviously, said determination method adopts contact measurement, operation inconvenience meet the expansion system of buried greatly soil
Several measurement requests, has that the coefficient of expansion is inaccurate.
Content of the invention
Embodiment of the present invention technical problem to be solved be to provide a kind of great burying soil swelling coefficient measuring system and
Method is inaccurate with the coefficient of expansion for solving the big buried soil existed described in the measurement scheme of the coefficient of expansion of the prior art
Problem.
In order to solve the above problems, according to an aspect of the present invention, the invention discloses a kind of great burying soil swelling
Coefficient measuring system, including：
Sampling module, for being sampled to buried greatly soil in advance, obtains the big buried soil in cutting ring；
Preserving module, for preserving to glass container the cutting ring together with the big buried soil in the cutting ring, wherein,
The glass container includes internal layer and outer layer, and the internal diameter of the internal layer is identical with the external diameter of the cutting ring, the external diameter of the cutting ring
Fit with the internal diameter of the internal layer, expandable osmotic occurs to institute under atmospheric pressure of the soil in the cutting ring in glass container
State 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 interior at preset time intervals multiple measurement
Earth expand after length, and calculate the variation coefficient of the length of the adjacent big buried soil for measuring twice, if the change
Coefficient is less than predetermined threshold value, 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 buried greatly soil；
Wherein, the sampling module includes：
Handle, is hollow structure, in the top of the handle and the hollow structure is provided with capstan winch；
Drill bit, including inner and outer wall, the inwall includes upper strata groove and lower bay, wherein, the upper strata groove
The first space, the lower bay and the lower section of the drill bit are separately formed with the upper section of the drill bit separately to be formed
Second space；Wherein, the inwall 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 strata groove and the lower bay and fit with the inwall, for fetching earth；
Connecting rod, for the hollow structure being connected between the handle and the drill bit, is inside provided with two L-type steel silks；Its
In, the vertical component of two L-type steel silks is located in the connecting rod, and the upper section of the vertical component is located in
In the hollow structure of the handle, and the upper section is connected with the capstan winch, the horizontal component difference of two L-type steel silks
Be arranged on first space and the second space, for rotate the capstan winch drive under cut 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,
Including：
Buried greatly soil is sampled using buried greatly soil sampling apparatus in advance, obtains the big buried soil in cutting ring
Earth；
The cutting ring is preserved to glass container, wherein, the glass container together with the big buried soil in the cutting ring
Including internal layer and outer layer, the internal diameter of the internal layer is identical with the external diameter of the cutting ring, the external diameter of the cutting ring and the internal layer
Internal diameter fits, and expandable osmotic occurs to the glass container under atmospheric pressure of the soil in the cutting ring in glass container
Between the internal layer and the outer layer；
After the big buried soil that interior at preset time intervals multiple measurement is located in the cutting ring in glass container is expanded
Length；
Calculate the variation coefficient of the length of the adjacent big buried soil for measuring twice；
If the variation coefficient be less than predetermined threshold value, according to last time measurement soil expand after length with
And the coefficient of expansion of buried greatly soil described in the length computation of the cutting ring；
Wherein, the buried greatly soil sampling apparatus include：
Handle, is hollow structure, in the top of the handle and the hollow structure is provided with capstan winch；
Drill bit, including inner and outer wall, the inwall includes upper strata groove and lower bay, wherein, the upper strata groove
The first space, the lower bay and the lower section of the drill bit are separately formed with the upper section of the drill bit separately to be formed
Second space；Wherein, the inwall 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 strata groove and the lower bay and fit with the inwall, for fetching earth；
Connecting rod, for the hollow structure being connected between the handle and the drill bit, is inside provided with two L-type steel silks；Its
In, the vertical component of two L-type steel silks is located in the connecting rod, and the upper section of the vertical component is located in
In the hollow structure of the handle, and the upper section is connected with the capstan winch, the horizontal component difference of two L-type steel silks
Be arranged on first space and the second space, for rotate the capstan winch drive under cut the cutting ring,
The soil of lower surface.
Compared with prior art, the embodiment of the present invention includes advantages below：
By means of the technical scheme of the above embodiment of the present invention, can be by means of the glass container of receiving cutting ring come to cutting ring
The expansion length of interior big buried soil is accurately measured, so as to ensure the degree of accuracy of the coefficient of expansion of buried greatly soil.
Description of the drawings
Fig. 1 is a kind of schematic diagram of great burying soil sampling apparatus of the embodiment of the present invention；
Fig. 2 is a kind of handle and the enlarged diagram of 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 the schematic diagram of the measurement apparatus of a kind of buried greatly soil coefficient of expansion of the embodiment of the present invention；
The step of Fig. 6 is a kind of buried soil coefficient of expansion measuring method greatly of embodiment of the present invention flow chart；
Fig. 7 is the structured flowchart of a kind of buried greatly soil coefficient of expansion measuring system of the embodiment of the present invention.
Specific embodiment
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings and concrete real
The present invention is further detailed explanation to apply mode.
For the ease of understanding the measuring method of the big buried soil coefficient of expansion of the present invention, first, buried greatly soil is taken
Sampling device is explained, and with reference 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 embodiments of the present invention are specifically included：
Handle 1, is hollow structure, and Fig. 2 is with regard to handle 1 and the enlarged diagram of capstan winch 4 in Fig. 1, sees figures.1.and.2,
Capstan winch 4 is provided with the top of the handle 1 and the hollow structure are equal；Also, handle 1 and capstan winch 4 can be rotated.
Drill bit, Fig. 3 are the enlarged diagram of drill bit in Fig. 1, and with reference to Fig. 1 and Fig. 3, the drill bit includes inwall 6 and outer wall 5,
Between the inwall 6 and outer wall 5 can be solid construction can also be hollow structure, in various embodiments can be according to reality
Need flexibly to arrange；
Wherein, the inwall 6 includes upper strata groove (not shown) and lower bay (not shown), and wherein, the upper strata is recessed
The upper section of groove and the drill bit separately forms the lower section separately shape of the first space, the lower bay and the drill bit
Into second space；
Wherein, the inwall 6 is also installed on cutting ring 7, rounded cylindrical of the cutting ring 7 for hollow and upper and lower section opening
Structure, and be fastened between the upper strata groove and the lower bay and fit with the inwall 6, for fetching earth；
In the present embodiment, the upper strata groove and lower bay are used for being fastened in the inwall 6 of drill bit, therefore cutting ring 7,
The shape of upper strata groove and lower bay can be with identical or different, and it can also be that sawtooth is recessed that their shape can be ring groove
Groove, as long as they can be fastened on cutting ring 7 on inwall 6.Therefore, the present invention is for upper strata groove and the shape of 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 with reference to Fig. 1 and Fig. 4, the connecting rod is for being connected to
State the hollow structure between handle 1 and the drill bit, be inside provided 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 located 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 connected with the capstan winch 4, the horizontal part of two L-type steel silks
First space and the second space (illustrating a steel wire for being located at the first space A here) is separately positioned on,
For the soil on 7 upper and lower surface of the cutting ring when capstan winch 4 is rotated, is cut under the drive of the capstan winch 4 (be located at first
Space, second space and beyond cutting ring 7 upper lower section soil).
And specifically fetched earth using above-mentioned great burying soil sampling apparatus operation when, can by rotate handle 1 come
Drill bit is pierced in soil buried greatly, so that the cutting ring 7 of drill bit internal fetches earth；Wherein, due to cutting ring 7 upper lower section with
All Existential Space between the upper lower section of drill bit, so, when drill bit is taken out from soil buried greatly, cutting ring 7 is cut up and down
Soil buried greatly can be covered with above face, then the soil positioned at the first space and second space will be in cutting ring 7
Soil plays a part of to keep pressure.So after the completion of soil is bored, buried greatly soil sampling apparatus are reached on ground, due to first
The soil of space and second space will play a part of to keep pressure to the soil in cutting ring 7, so as to cause in cutting ring 7
Soil is in boring the soil in the soil pressure under residing big buried environment during soil, i.e. cutting ring 7 can be by the more of upper lower section
Remaining soil pressurization, the pressure value are identical with the reset pressure under buried greatly environment, can thus avoid the soil that samples from arriving
Expand because pressure is lost up to after ground, cause soil parameters distortion, be unfavorable for the problem of soil analysis.
Then, under the conditions of the soil pressure that the soil in cutting ring 7 keeps great burying soil substantially, by means of above-mentioned two L
Shaped steel wire had so both been avoided that the cutting ring sample process middle ring of conventional art completing to cut to the soil of lower section on cutting ring 7
Knife soil at both sides cracky, using the problem for needing to repair before cutting ring test, meanwhile, it is avoided that soil pressure is discharged to cutting ring 7 again
The deformation that interior soil is caused.Relevant feature parameters so as to ensure the pedotheque for obtaining are accurate, and then accurately determine deep
The relevant feature parameters of layer soil.
Further, since it is the soil inside cutting ring 7 to need the soil being analyzed, therefore, soil analysis is being carried out
Before, in addition it is also necessary to remove and be located at unnecessary on lower section soil on cutting ring 7, at this moment can receive steel wire 8 by rotating capstan winch 4
Tightly, the steel wire due to being located at the first space and second space is the horizontal component of L-type, thus can cut unnecessary soil
Fall, so as to obtain the soil in the cutting ring 7 for soil analysis.
By means of the technical scheme of the above embodiment of the present invention, can be empty by the first space and second after the completion of fetching earth
Between in the soil that is located on cutting ring on lower section the soil in cutting ring is pressurizeed, that is to say, that adopt great burying soil of the present invention
After sampler buries, the cutting of the soil body can be just completed under the conditions of the soil pressure for keeping substantially great burying soil.So as to keep away
The soil for having exempted to take under buried greatly environment is expanded without ambient pressure because ground is reached, and causes asking for soil parameters distortion
Topic；Meanwhile, by arranging the horizontal component of L-type steel silk in the first space and second space, can need to carry out soil analysis
Before, the soil for maintaining reset pressure in required cutting ring is obtained, the degree of accuracy of soil parameters analysis is ensure that.So both
Cutting ring soil at both sides cracky during the cutting ring sample of conventional art is avoided that, before testing using cutting ring, needs that repaired to ask
Topic, meanwhile, it is avoided that the deformation that soil pressure release is caused to the soil in cutting ring again.So as to ensure the phase of the pedotheque for obtaining
Close characteristic parameter accurately, and then accurately determine the relevant feature parameters of deep soil.
With continued reference to Fig. 1～4, on the basis of above-described embodiment, the big of the embodiment of the present invention is discussed further below
Buried depth soil sampling apparatus.
Alternatively, in one embodiment, for cutting two L-type steels of the soil on the upper and lower surface of the cutting ring
The horizontal component of silk can be fastened on the upper strata groove and the lower bay before cutting soil respectively.
Accordingly, in the present embodiment, steel wire 8 is used for tightening up when capstan winch 4 is rotated and covers so as to cut 7 upper surface of cutting ring
Unnecessary soil, and cutting soil before, the horizontal component 8b of the steel wire 8 be fastened on recessed positioned at the upper strata of the first space A
In groove；For unshowned another be used for tighten up when capstan winch 4 is rotated so as to cut 7 lower surface of cutting ring cover unnecessary soil
The steel wire 8 of earth, its horizontal component are positioned in the lower bay of second space B.
So, when steel wire 8 is not used, steel wire 8 can be made to have the position that can be blocked in drill bit, it is to avoid in great burying
When soil sampling apparatus are moved, the steel wire rocks in drill bit internal and damages all parts that can collide.
In the present embodiment, for steel wire 8 when being not used the riding position that used use existing for card
Firmly on the one hand the levels groove of cutting ring 7, so can save the manufacturing cost of great burying soil sampling apparatus, on the other hand may be used
To avoid arranging more notches in the less drill bit of volume；Certainly, in different embodiments, those skilled in the art
Can according to actual needs drill bit internal arrange other can steel wire 8 not the used time blocking the miscellaneous part of steel wire 8, its
Steel wire 8 can be kept not rock, the present invention to this and is not specifically limited.
Alternatively, in another embodiment, when rotation capstan winch taut wire is cut to the soil on lower section on cutting ring
After the completion of, for the purposes of avoiding steel wire from rocking in first or second space, the inwall of drill bit according to embodiments of the present invention is also
Including：First inside groove and the second inside groove, wherein, first inside groove be located at the upper strata groove and the drill bit upper section it
Between, second inside groove is located 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 cutting soil after be fastened on respectively first inside groove and
Second inside groove.
Accordingly, in the present embodiment, with reference to Fig. 1 and Fig. 3, there is illustrated positioned at upper strata 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, so, when steel wire 8 is to unnecessary
After the completion of soil cutting, it is possible to be fastened in corresponding inside groove automatically.
Alternatively, in another embodiment, the L corner parts of two L-type steel silks be circular arc type, the L turnings
Part has smooth surface, so when the horizontal component of steel wire is when soil is cut, due to horizontal component and upper and lower section of cutting ring
The soil directly contact in face, if the L corner parts are perpendicular type, then the right angle is easy to abrasion so that steel wire is disconnected
Split.Therefore, L corner parts are made circular arc type in the present embodiment so that the turning avoid with cutting soil or its
His part directly contact, extends the service life of steel wire.
Accordingly, in the embodiment with reference to shown in Fig. 1 and Fig. 3, the L-type corner part 8b of the L-type steel silk 8 is circular arc type,
The service life of steel wire 8 can so be extended.
Certainly, although only define L corner parts in the present embodiment for circular arc type and with smooth surface, but
Be in different embodiments, according to actual needs can by steel wire 8 in rotation process easily contact miscellaneous part or soil
Various pieces are all made circular arc type and there is smooth surface, so as to further improve the service life of steel wire 8.
In addition, in one embodiment, cutting ring and drill bit directly can be carried out integrated setting, i.e., with reference to above-mentioned enforcement
Described in example by arranging two-layer groove making cutting ring be stuck in drill bit.
Certainly, in another embodiment, in order to changing cutting ring at any time, it is also possible to be arranged to cutting ring and drill bit non-
Integrated setting, specifically, can be respectively provided with opening in the same side of the inwall and the outer wall and be opened with described
The supporting cover plate of mouth, and the size of the opening is more than the size of the cutting ring.Described it is open for installing the cutting ring in institute
State inwall and the cutting ring is taken out from the inwall 6；The cover plate is used for for the cutting ring being fixed on the inwall.
Specifically, by arranging the opening, when needing to fetch earth from underground, the inwall that cutting ring is inserted into drill bit；That
In order to remain stationary as in drill bit during fetching earth in underground in cutting ring, therefore, it is also desirable to arrange supporting with the opening size
Cover plate, cutting ring can be made to remain stationary as in drill bit internal by covering the cover plate, improve soil extracting efficiency；Meanwhile, it is also cutting ring
Fixed effect is reached in drill bit, and further guarantee is provided.
Additionally, in the present embodiment, with reference to Fig. 1 and Fig. 3, drill bit according to embodiments of the present invention is hollow, rounded cylindrical
Structure, and the lower section of the drill bit is hatch frame, so when drill bit is got into underground by rotation 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, can so make cutting ring 7 be easier the inwall 6 that fits with drill bit；
Additionally, the embodiment of the present invention for drill bit and the tubular structure of cutting ring 7 shape and be not specifically limited, they can be round
Shape, can also be the other shapes such as polygon, as long as they are the hollow structures of lower section opening.
Optionally, in the present embodiment, with reference to Fig. 1 and Fig. 4, connecting rod 2 according to embodiments of the present invention can include many
Sub- connecting rod 2a, 2b of individual threaded connection, 2c.Wherein, for any one sub- connecting rod, the junction of its one end has appearance
Face screw thread, the junction of the other end have inner surface screw thread, so can ensure that the supporting connection of the sub- connecting rod of any two.
And during actually fetching earth, as the sub- connecting rod that the deep depth difference for boring soil can connect varying number is come
Constitute the connecting rod of different length；During fetching earth, if it find that when the length of front rod is inadequate, directly most can go up
Increase sub- connecting rod to extend the length of connecting rod at the sub- connecting rod at end, so as to continue to bore soil, and need not be by drill bit from soil
Middle taking-up, improves the convenience for fetching earth.
Complete when being fetched earth under buried greatly environment using the great burying soil sampling apparatus shown in Fig. 1, it is possible to cutting ring 7
Interior soil carries out the measurement of the coefficient of expansion.
Specifically, with reference to Fig. 6, the step of the big buried soil coefficient of expansion measuring method of one embodiment of the invention is shown
Rapid flow chart, specifically includes following steps：
Step 601, is sampled to buried greatly soil using buried greatly 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 are in the mistake to soil sample
Journey.The undisturbed soil of designated volume, and the survey for the coefficient of expansion under the conditions of great burying undisturbed soil is kept, can be obtained here
Amount.
Wherein, the concrete structure of the buried greatly soil sampling apparatus is made in the above-described embodiments and being elaborated, tool
Body will not be described here with reference to above.
Step 602, the cutting ring is preserved to glass container together with the big buried soil in the cutting ring；
That is, after the completion of fetching earth, needing immediately cutting ring 7 is put in glass container 10, the glass container 10 is
Enclosed box body, glass container (with reference to the glass container 10 in Fig. 5) include internal layer 10a and outer layer 10b, the internal layer 10a
Internal diameter identical with the external diameter of the cutting ring 7, the external diameter of the cutting ring 7 is fitted with the internal diameter of the internal layer 10a, the cutting ring
Soil in 7 is expanded under the atmospheric pressure in glass container 10 from the upper lower section of cutting ring 7 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 between the internal layer 10a and outer layer 10b of glass container 10, and internal layer is engraved structure, can
Soil permeability in cutting ring 7 is made to space C, D, i.e. region C and D.
Step 603, the big buried soil that interior at preset time intervals multiple measurement is located in the cutting ring in glass container are sent out
Length after raw expansion；
Wherein it is possible to the length after the soil that several hours (such as 6 hours) are measured in following cutting ring 7 is expanded
Degree；
Step 604, calculates the variation coefficient of the length of the adjacent big buried soil for measuring twice；
After length after measurement expands twice, the length after the adjacent big buried soil for measuring twice is expanded all is calculated
The variation coefficient of degree, that is, calculate the difference of the length after the adjacent big buried soil for measuring twice is expanded, then calculate the difference
The ratio of value interval time (i.e. above-mentioned 6 hours) for measuring twice adjacent with this, i.e. variation coefficient.Wherein, as glass holds
Device 10 is transparent glass material, therefore can directly from the outer surface of glass container to soil swelling after length survey
Amount, ensure that the degree of accuracy of linear measure longimetry.
Step 605, if the variation coefficient is less than predetermined threshold value, after the soil according to last time measurement is expanded
Length and the cutting ring length computation described in buried greatly soil the coefficient of expansion.
Wherein, if the variation coefficient is less than a predetermined threshold value (such as 1%), then answering for the soil in cutting ring is described
Power has discharged and has completed, and now measures the length after the buried greatly soil is expanded again, i.e. the soil of last time measurement is sent out
Length after raw expansion.And the big depth in the length computation cutting ring 7 after being expanded according to the soil of last time measurement
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 for accommodating cutting ring
Accurately to be measured to the expansion length of the big buried soil in cutting ring, so as to ensure the standard of the coefficient of expansion of buried greatly soil
Exactness.
Wherein, in one embodiment, in execution step 605, can be accomplished by：Described in calculating most
The difference of the length after the soil of one-shot measurement is expanded afterwards and the length of the cutting ring；The difference is calculated with the cutting ring
Length ratio, obtain the coefficient of expansion of the buried greatly soil.
Wherein, in one embodiment, rounded cylindrical structure of the cutting ring 7 for hollow and upper and lower section opening, so
The big buried soil in cutting ring 7 can be made to infiltrate in region C and D after expanding.
Wherein, as a result of above-mentioned buried greatly soil sampling apparatus, therefore, the cutting ring 7 after fetching earth is positioned over the glass
During glass container, the pressure of the big buried soil in the cutting ring 7 is identical with pressure when fetching earth under buried greatly environment.So can be with
Ensure that the coefficient of expansion of measurement is based entirely on buried greatly soil, it is ensured that the accuracy of measurement of the coefficient of expansion.
Alternatively, there can be scale on the length direction of the glass container 10, so can be without in outside
Equipment, directly measures to the length after buried greatly soil swelling according to the scale.
Embodiments in accordance with the present invention, corresponding with above-mentioned buried greatly soil coefficient of expansion measuring method, with reference to Fig. 7, go back
Provide a kind of great burying soil swelling coefficient measuring system.The system includes：
Sampling module 71, for being sampled to buried greatly soil in advance, obtains the big buried soil in cutting ring；
Wherein, the sampling module 71 can be any one the buried greatly soil sample described in each embodiment above-mentioned
Device.
Preserving module 72, for the cutting ring is preserved to glass container together with the big buried soil in the cutting ring, its
In, the glass container includes internal layer and outer layer, and the internal diameter of the internal layer is identical with the external diameter of the cutting ring, outside the cutting ring
Footpath is fitted with the internal diameter of the internal layer, 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 for interior at preset time intervals multiple measurement big buried in the cutting ring in glass container
Soil expand after length, and calculate the variation coefficient of the length of the adjacent big buried soil for measuring twice, if the change
Change coefficient and be less than predetermined threshold value, 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 buried greatly soil.
Alternatively, the measurement module 73, be additionally operable to calculate the last time measurement soil expand after length
The difference with the length of the cutting ring is spent, and calculates the difference and the ratio of the length of the cutting ring, obtain the big depth
Bury the coefficient of expansion of soil.
Alternatively, the cutting ring is the rounded cylindrical structure of hollow and upper and lower section opening.
Preferably, when the cutting ring after fetching earth is positioned over the glass container, the pressure of the big buried soil in the cutting ring
Identical with pressure when fetching earth under buried greatly environment.
Alternatively, there is scale on the length direction of the glass container.
It should be noted that Fig. 2, Fig. 3 and Fig. 4 are the enlarged diagram of different piece in Fig. 1, while the cutting ring in Fig. 5
Identical with the cutting ring 7 in Fig. 1 and Fig. 3, therefore, in Fig. 2～Fig. 5 and Fig. 1, identical label represents identical meaning, herein
No longer illustrated for each attached graph laplacian one by one, mutually reference.
Each embodiment in this specification is described by the way of going forward one by one, what each embodiment was stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once know base
This creative concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to
Including preferred embodiment and fall into the had altered of range of embodiment of the invention and change.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation are made a distinction with another entity or operation, and are not necessarily required or implied these entities or operation
Between exist any this actual relation or order.And, term " including ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that a series of process, method, article or terminal device including key elements is not only wrapped
Those key elements, but also other key elements including being not expressly set out are included, or is also included for this process, method, article
Or the key element that terminal device is intrinsic.In the absence of more restrictions, by wanting that sentence " including ... ... " is limited
Element, it is not excluded that also there is other identical element in process, method, article or the terminal device for including the key 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
Continue, specific case used herein is set forth to the principle of the present invention and embodiment, and the explanation of above example is only
It is to be used to help understand the method for the present invention and its core concept；Simultaneously for one of ordinary skill in the art, according to this
Bright thought, will change in specific embodiments and applications, and in sum, this specification content should not be managed
Solve as limitation of the present invention.
Claims (10)
1. a kind of great burying soil swelling coefficient measuring system, it is characterised in that include：
Sampling module, for being sampled to buried greatly soil in advance, obtains the big buried soil in cutting ring；
Preserving module, for preserving to glass container the cutting ring together with the big buried soil in the cutting ring, wherein, described
Glass container includes internal layer and outer layer, and the internal diameter of the internal layer is identical with the external diameter of the cutting ring, the external diameter of the cutting ring and institute
The internal diameter for stating internal layer fits, and expandable osmotic occurs to the glass under atmospheric pressure of the soil in the cutting ring in glass container
Between the internal layer and the outer layer of glass container；
Measurement module, is located at the big buried soil in the cutting ring in glass container for interior at preset time intervals multiple measurement
Earth expand after length, and calculate the variation coefficient of the length of the adjacent big buried soil for measuring twice, if the change
Coefficient is less than predetermined threshold value, 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 buried greatly soil；
Wherein, the sampling module includes：
Handle, is hollow structure, in the top of the handle and the hollow structure is provided with capstan winch；
Drill bit, including inner and outer wall, the inwall includes upper strata groove and lower bay, wherein, the upper strata groove and institute
The upper section for stating drill bit separately forms the first space, the lower bay and the lower section of the drill bit and separately forms second
Space；Wherein, the inwall 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 strata groove and the lower bay and fits with the inwall, for fetches earth；
Connecting rod, for the hollow structure being connected between the handle and the drill bit, is inside provided with two L-type steel silks；Wherein, institute
The vertical component for stating two L-type steel silks is located in the connecting rod, and the upper section of the vertical component be located in described
In the hollow structure of handle, and the upper section is connected with the capstan winch, and the horizontal component of two L-type steel silks is respectively provided with
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 for rotating
The soil in face.
2. system according to claim 1, it is characterised in that
The measurement module, be additionally operable to calculate the last time measurement soil expand after length and the cutting ring
The difference of length, and the difference and the ratio of the length of the cutting ring is calculated, obtain the expansion system of the buried greatly soil
Number.
3. system according to claim 1, it is characterised in that the cutting ring is the circle of hollow and upper and lower section opening
Tubular structure.
4. system according to claim 1, it is characterised in that when the cutting ring after fetching earth is stored in the glass container, institute
The pressure for stating the big buried soil in cutting ring is identical with pressure when fetching earth under buried greatly environment.
5. system according to claim 1, it is characterised in that there is on the length direction of the glass container scale.
6. a kind of great burying soil swelling coefficient measuring method, it is characterised in that include：
Buried greatly soil is sampled using buried greatly soil sampling apparatus in advance, obtains the big buried soil in cutting ring；
The cutting ring is preserved to glass container together with the big buried soil in the cutting ring, wherein, the glass container includes
Internal layer and outer layer, the internal diameter of the internal layer are identical with the external diameter of the cutting ring, the internal diameter of the external diameter of the cutting ring and the internal layer
Fit, occur 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 that interior at preset time intervals multiple measurement is located in the cutting ring in glass container is expanded
Length；
Calculate the variation coefficient of the length of the adjacent big buried soil for measuring twice；
Length and institute if the variation coefficient is less than predetermined threshold value, after being expanded according to the soil for measuring for the last time
State the coefficient of expansion of buried greatly soil described in the length computation of cutting ring；
Wherein, the buried greatly soil sampling apparatus include：
Handle, is hollow structure, in the top of the handle and the hollow structure is provided with capstan winch；
Drill bit, including inner and outer wall, the inwall includes upper strata groove and lower bay, wherein, the upper strata groove and institute
The upper section for stating drill bit separately forms the first space, the lower bay and the lower section of the drill bit and separately forms second
Space；Wherein, the inwall 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 strata groove and the lower bay and fits with the inwall, for fetches earth；
Connecting rod, for the hollow structure being connected between the handle and the drill bit, is inside provided with two L-type steel silks；Wherein, institute
The vertical component for stating two L-type steel silks is located in the connecting rod, and the upper section of the vertical component be located in described
In the hollow structure of handle, and the upper section is connected with the capstan winch, and the horizontal component of two L-type steel silks is respectively provided with
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 for rotating
The soil in face.
7. method according to claim 6, it is characterised in that after the soil according to last time measurement is expanded
Length and the cutting ring length computation described in buried greatly soil the coefficient of expansion the step of include：
Calculate last time measurement soil expand after length and the length of the cutting ring difference；
The ratio of the difference and the length of the cutting ring is calculated, the coefficient of expansion of the buried greatly soil is obtained.
8. method according to claim 6, it is characterised in that the cutting ring is the circle of hollow and upper and lower section opening
Tubular structure.
9. method according to claim 6, it is characterised in that when the cutting ring after fetching earth is stored in the glass container, institute
The pressure for stating the big buried soil in cutting ring is identical with pressure when fetching earth under buried greatly environment.
10. method according to claim 6, it is characterised in that there is on the length direction of the glass container scale.
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| CN201610916515.5A CN106501302B (en) | 2016-10-20 | 2016-10-20 | A kind of great burying soil swelling coefficient measuring method and system |
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| CN201610916515.5A CN106501302B (en) | 2016-10-20 | 2016-10-20 | A kind of great burying soil swelling coefficient measuring method and system |
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| CN112683731A (en) * | 2021-01-27 | 2021-04-20 | 山东理工大学 | Combined multi-depth soil volume weight measurer and test method |
| CN113466282A (en) * | 2021-07-02 | 2021-10-01 | 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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| CN106501302B (en) | 2019-03-08 |
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