CN103255755A - Lossless method for fast evaluating filling compaction quality of soil building stones in real time and evaluating device thereof - Google Patents
Lossless method for fast evaluating filling compaction quality of soil building stones in real time and evaluating device thereof Download PDFInfo
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- CN103255755A CN103255755A CN2013101579089A CN201310157908A CN103255755A CN 103255755 A CN103255755 A CN 103255755A CN 2013101579089 A CN2013101579089 A CN 2013101579089A CN 201310157908 A CN201310157908 A CN 201310157908A CN 103255755 A CN103255755 A CN 103255755A
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Abstract
The invention relates to a lossless method for fast evaluating filling compaction quality of soil building stones in real time and an evaluating device of the filling compaction quality of the soil the building stones, and belongs to the technical field of water conservancy and civil engineering. The lossless method is based on the principle that a vibrating roller is used for vibrating compacting, effective compaction energy which is sent to rolled soil building stones by the vibrating roller is monitored in real time, the compaction rate of the soil building stones is judged by setting up an equivalent energy (threshold value) judgment criterion which corresponds to commonly-used compaction index (relative density, degree of compaction and the like). According to the lossless method, the compaction degree of the rolled soil building stones can be fast and accurately determined, and the compaction degree of the rolled soil building stones can be convenient and lossless to determine.
Description
Technical field
The invention belongs to the water conservancy technical field of civil engineering, relate to earth and stone material and fill the quality evaluation problem, particularly evaluation method and the evaluating apparatus thereof of the quick real non-destructive of the earth and stone material of the real technology of the heavy vibration of employing spreading.
Background technology
Appearance along with large-scale vibrating is rolled over makes the earth and stone material of compacting have higher intensity and modulus of deformation, has promoted the develop rapidly of the high earth and rockfill dam of modern compaction type.But how quickly and easily the compaction rate of earth and stone material to be carried out nondestructive testing and the compaction rate of estimating dam material, but not fully up to expectations all the time.
Present stage clay or gravelly clay all adopt degree of compaction to control, Coarse Aggregate is with the control of relative density index.Need constantly to test the dry density that rolls in the process by digging pit in application process, carry out the compacting evaluation, precision is lower and disturb excessive to construction.If adopt certain number of rolling to control the quality of compaction of earth rock material quality, then seem too general and coarse.Nondestructive testing and control technology based on earth and stone material (native stone body) compaction quality become the bottleneck that further develops the compact technique development, and many scholars have carried out particular study to this, be devoted to seek a kind of quick nondestructive effectively evaluating method always.Heinz doctor Thurner had studied by settling acceleration transducer to detect the compaction of earth rock material state on the rolling compaction machine in 1974, and result of study shows that amplitude ratio, consolidation effect and the earth and stone material rigidity under the first harmonic amplitude excited frequency is closely related.Geodynamik company develops the compaction state of the earth and stone material of controlling with the CMV value, and the development of Bomag company is can reflect the detection system of continuous compaction energy Omega value, and follow-up proposition characterizes the parameter of earth and stone material dynamic modulus---the vibration modulus.Ammann company based on above-mentioned achievement with the stiffness parameters of earth and stone material as evaluation index, roll the METHOD FOR CONTINUOUS DETERMINATION of earth and stone material rigidity in the process, be considered as the important breakthrough of native stone compaction quality control.Yet the rigidity of earth and stone material depends on load-carrying area, for elastomeric material, and the difference as a result that different load-carrying areas record.Therefore, rigidity can not accurately characterize the characteristic of earth and stone material, and the relation that the vibration rolling records between earth and stone material rigidity and on-site rolling earth and stone material is quite complicated.Vibration is rolled over and the interaction of earth and stone material shows highly non-linear.It is relevant with earth and stone material thickness that the rigidity that records is rolled in vibration, and might be relevant with the performance of cushion material under the earth and stone material, relevant with exciting force and excited frequency.
Summary of the invention
The present invention is directed to the deficiency of the problems referred to above, propose a kind of loseless method of quick Real-Time Evaluation compaction of earth rock material quality, this method can be quick and precisely and the convenient compaction rate of nondestructively determining to be rolled earth and stone material.
The present invention is that to solve the problems of the technologies described above the technical scheme of proposition as follows: a kind of quick Real-Time Evaluation earth and stone material fills the loseless method of compaction quality, may further comprise the steps: the first step, roll by vibrating wheels in the earth and stone material process to be measured at the vibrating roller of arbitrary model, calculate vibrating roller according to the vibrating roller relevant parameter and be delivered to by the continuous pressure F of spreading earth and stone material to be measured; Second displacement that goes on foot, calculates vibrating wheels by the pick-up sensor
, the displacement of described vibrating wheels
Direction identical with the normal direction that earth and stone material to be measured contacts the center with vibrating wheels, according to the continuous pressure F that draws in the first step and the displacement of vibrating wheels
Calculating a vibration period internal vibration wheel is delivered to by the continuous compaction energy of spreading earth and stone material to be measured
Criterion is passed judgment in the 3rd equivalence that goes on foot, sets up the compaction quality evaluation index: default as the compacting metrics-thresholds of estimating the compacting index
For satisfying the earth and stone material compaction energy corresponding with the vibrating roller of this same model that the regulation compactness requires
During judge: stable and during smaller or equal to the compacting metrics-thresholds when the continuous compaction energy of earth and stone material to be measured, illustrate that then the rolling layers of earth and stone material to be measured is closely knit, satisfy the compactness requirement of regulation, stop vibroroller cmpacting.
Preferably: in the first step, in vibration spreading process, vibration is rolled over and is delivered to the continuous pressure that is compacted earth and stone material
For:
, in the formula
Quality for vibrating wheels;
Acceleration for vibrating wheels;
Quality for vibrating wheels inside eccentric block;
Eccentric throw for eccentric block;
Angular frequency for the eccentric block rotation;
The size of exciting force is rolled in the representative vibration;
Roll over the weight of removing the vibrating wheels external frame for vibration;
Be acceleration of gravity.
Preferably: in second step
Computational methods be because continuous pressure
And the relation between the displacement Z of vibrating wheels is approximately elliptic curve, then with this oval center of circle as initial point, with the displacement of vibrating wheels
As
Axle is with continuous pressure
As
Axle is set up rectangular coordinate system, then
With
The area that surrounds is rolled over for vibration and is passed to the effective compaction energy that is compacted earth and stone material
, order
, in the formula: A be coordinate be (
) the point,
,
Be respectively A point, B point to the line segment length of initial point O, and
With
Perpendicular; According to the tangent slope of B and
The slope unanimity, the abscissa that can obtain B satisfies
, then according to the similar characteristic of similar triangles, a vibration period internal vibration is rolled over and is passed to the rolling layers Continuous Energy
Can be expressed as:
Preferably: described compacting metrics-thresholds
The selection method of rolling over vibration is: the first step, roll earth and stone material by the vibrating roller of choosing a certain model, and compaction energy is effectively continuously rolled in monitoring calculation vibration in real time
Value; Second goes on foot, passes through the relative density of the earth and stone material Coarse Aggregate of this compacting of detection, and the degree of compaction of fine earth material judges whether it reaches the compactness requirement of satisfying regulation; The type selecting that the 3rd step, vibration are rolled over if satisfy the compactness requirement of regulation, then should
Value is the compacting metrics-thresholds of the vibrating roller stone roller of this model
If this quilt rolls earth and stone material and can't satisfy the compaction rate requirement, the compacting functions that the vibration rolling is described is less than normal for this earth and stone material, need select for use the vibration of bigger compacting functions to roll over or adjust the Parameters of Vibratory Compaction for Roll (vibration frequency and amplitude) that vibration is rolled over, determine the compacting metrics-thresholds that vibration is rolled over by above-mentioned first, second step again
Another object of the present invention provides a kind of and fills the evaluating apparatus of the loseless method of compaction quality based on quick Real-Time Evaluation earth and stone material described above, involving vibrations stone roller, pick-up sensor, computer man-machine dialogue platform, compaction energy continuously
Computing unit, compacting metrics-thresholds determining unit and judge unit; Described vibrating roller is used for the vibroroller cmpacting earth and stone material; Described pick-up sensor is used for measuring the displacement Z of the vibrating wheels of calculating vibrating roller; Described computer man-machine dialogue platform is used for the compacting parameter that inputted vibration grinds, and sends this parameter to continuous compaction energy
Computing unit and compacting metrics-thresholds determining unit are used for showing the information that the unit is carried of passing judgment on simultaneously; Described continuous compaction energy
Computing unit is used for calculating continuous compaction energy according to the displacement Z of vibration rolling parameter and vibrating wheels
Value, and send the judge unit to; Described compacting metrics-thresholds determining unit is used for going out its compaction energy according to the earth and stone material that satisfies the requirement of regulation compactness and vibration rolling calculation of parameter
, and with this compaction energy
As the compacting metrics-thresholds of estimating the compacting index, and send this compacting metrics-thresholds to the judge unit; Described judge unit is used for basis
With
Value is passed judgment on, when
Smaller or equal to
The time, described judge unit carries rolling layers closely knit to the computer man-machine dialogue platform, stops vibroroller cmpacting information.
A kind of quick Real-Time Evaluation earth and stone material of the present invention fills the loseless method of compaction quality, compared to existing technology, has following beneficial effect: because this method is based on the vibratory compaction principle that heavy vibration is rolled over, monitoring vibration is rolled over effective compaction energy of passing to earth and stone material in real time, by setting up the control index (compacting index) of estimating the earth and stone material compaction rate, judge the compaction rate of earth and stone material, this compacting index has the judge criterion with the evaluation index equivalence of the evaluation index of Coarse Aggregate and fine earth material, so it can be real-time, quick and precisely and the convenient compaction rate of nondestructively determining to be rolled earth and stone material.
Description of drawings
Fig. 1 passes to the continuous pressure of earth and stone material and the relation curve schematic diagram of vibrating wheels displacement in vibration vibration period of rolling of the present invention;
Fig. 2 is that the calculating schematic diagram of passing to earth and stone material continuous effective compaction energy is rolled in vibration of the present invention;
Fig. 3 is the structural representation that the quick Real-Time Evaluation earth and stone material of the present invention fills the evaluating apparatus of compaction quality;
Fig. 4 is the flow chart that the quick Real-Time Evaluation earth and stone material of the present invention fills the evaluating apparatus of compaction quality.
The specific embodiment
Accompanying drawing discloses the structural representation of a preferred embodiment of the invention without limitation, explains technical scheme of the present invention below with reference to accompanying drawing.
Embodiment
A kind of quick Real-Time Evaluation earth and stone material of present embodiment fills the loseless method of compaction quality, may further comprise the steps:
The first step, roll by vibrating wheels in the earth and stone material process to be measured at the vibrating roller of arbitrary model, calculate vibrating roller according to the vibrating roller relevant parameter and be delivered to by the continuous pressure F of spreading earth and stone material to be measured; In vibration spreading process, vibration is rolled over and is delivered to the continuous pressure that is compacted earth and stone material
For:
, in the formula
Quality for vibrating wheels;
Acceleration for vibrating wheels;
Quality for vibrating wheels inside eccentric block;
Eccentric throw for eccentric block;
Angular frequency for the eccentric block rotation;
The size of exciting force is rolled in the representative vibration;
Roll over the weight of removing the vibrating wheels external frame for vibration;
Be acceleration of gravity.
Second displacement that goes on foot, calculates vibrating wheels by the pick-up sensor
, the displacement of described vibrating wheels
Direction identical with the normal direction that earth and stone material to be measured contacts the center with vibrating wheels, according to the continuous pressure F that draws in the first step and the displacement of vibrating wheels
Calculating a vibration period internal vibration wheel is delivered to by the continuous compaction energy of spreading earth and stone material to be measured
In second step
Computational methods be because continuous pressure
And the relation between the displacement Z of vibrating wheels is approximately elliptic curve, then with this oval center of circle as initial point, with the displacement of vibrating wheels
As
Axle is with continuous pressure
As
Axle is set up rectangular coordinate system, then
With
The area that surrounds is rolled over for vibration and is passed to the continuous effective compaction energy that is compacted earth and stone material
, order
, in the formula: A be coordinate be (
) the point,
,
Be respectively A point, B point to the line segment length of initial point O, and
With
Perpendicular; According to the tangent slope of B and
The slope unanimity, the abscissa that can obtain B satisfies
, then according to the similar characteristic of similar triangles, a vibration period internal vibration is rolled over and is passed to the rolling layers Continuous Energy
Can be expressed as:
Criterion is passed judgment in the 3rd equivalence that goes on foot, sets up the compaction quality evaluation index: default as the compacting metrics-thresholds of estimating the compacting index
For satisfying the earth and stone material compaction energy corresponding with the vibrating roller of this same model that the regulation compactness requires
During judge: stable and during smaller or equal to the compacting metrics-thresholds when the continuous compaction energy of earth and stone material to be measured, illustrate that then the rolling layers of earth and stone material to be measured is closely knit, satisfy the compactness requirement of regulation, stop vibroroller cmpacting; Described compacting metrics-thresholds
The selection method of rolling over vibration is: the first step, roll earth and stone material by the vibrating roller of choosing a certain model, and monitoring vibration is rolled over compaction energy effectively continuously in real time, when compaction energy is stablized effectively continuously, choose this moment
Value; Second goes on foot, passes through the relative density of the earth and stone material Coarse Aggregate of this compacting of detection, and the degree of compaction of fine earth material judges whether it reaches the compactness requirement of satisfying regulation; The type selecting that the 3rd step, vibration are rolled over if satisfy the compactness requirement of regulation, then should
Value is the compacting metrics-thresholds of the vibrating roller stone roller of this model
If this quilt rolls earth and stone material and can't satisfy the compaction rate requirement, the compacting functions that the vibration rolling is described is less than normal for this earth and stone material, need select for use the vibration of bigger compacting functions to roll over or adjust the Parameters of Vibratory Compaction for Roll (vibration frequency and amplitude) that vibration is rolled over, determine the compacting metrics-thresholds that vibration is rolled over by above-mentioned first, second step again
A kind of quick Real-Time Evaluation earth and stone material fills the evaluating apparatus of compaction quality: involving vibrations stone roller, pick-up sensor, computer man-machine dialogue platform, continuous compaction energy
Computing unit, compacting metrics-thresholds determining unit and judge unit; Described vibrating roller is used for the vibroroller cmpacting earth and stone material; Described pick-up sensor is used for measuring the displacement Z of the vibrating wheels of calculating vibrating roller; Described computer man-machine dialogue platform is used for the parameter that inputted vibration grinds, and sends this parameter to continuous compaction energy
Computing unit and compacting metrics-thresholds determining unit are used for showing the information that the unit is carried of passing judgment on simultaneously; Described continuous compaction energy
Computing unit is used for calculating continuous compaction energy according to the displacement Z of vibration rolling parameter and vibrating wheels
Value, and judge
Whether value is stable, when
During value stabilization, should continuous compaction energy
Value sends the judge unit to; Described compacting metrics-thresholds determining unit is used for going out its compaction energy according to the earth and stone material that satisfies the requirement of regulation compactness and vibration rolling calculation of parameter
, and with this compaction energy
As the compacting metrics-thresholds of estimating the compacting index, and send this compacting metrics-thresholds to the judge unit; Described judge unit is used for basis
With
Value is passed judgment on, when
Smaller or equal to
The time, described judge unit carries rolling layers closely knit to the computer man-machine dialogue platform, stops vibroroller cmpacting information.
Principle of the present invention is based on the vibratory compaction principle that heavy vibration is rolled over, monitoring vibration is rolled over effective compaction energy of passing to earth and stone material in real time, (evaluation index of Coarse Aggregate is relative density by setting up the control index of estimating the earth and stone material compaction rate, the evaluation index of fine earth material is degree of compaction) equivalence pass judgment on criterion, judge the compaction rate of earth and stone material.Now describe in conjunction with on-the-spot vibrating compaction process and mechanism:
1. vibration is rolled over and is delivered to the calculating that is compacted the earth and stone material continuous pressure
In the vibration spreading process, vibration is rolled over and is delivered to the continuous pressure that is compacted earth and stone material
For:
In the formula
Quality for vibrating wheels;
Acceleration for vibrating wheels;
Quality for vibrating wheels inside eccentric block;
Eccentric throw for eccentric block;
Angular frequency for the eccentric block rotation;
The size of exciting force is rolled in the representative vibration;
Roll over the weight of removing the vibrating wheels external frame for vibration;
Be acceleration of gravity.
2. vibration is rolled over and is delivered to the calculating that is compacted the continuous compaction energy of earth and stone material
Set up vibration period internal vibration rolling and be delivered to the continuous pressure that is compacted earth and stone material
Displacement with vibrating wheels
Relation curve, see Fig. 1.Among Fig. 1
With
The area that surrounds is rolled over for vibration and is passed to the continuous effective compaction energy that is compacted earth and stone material
Among the figure
With
The figure that surrounds is an oval part, and the oval center of circle is positioned at initial point, then
Reflect the size of Continuous Energy, seen Fig. 2:
Order,
(2)
In the formula:
,
Be figure middle conductor length,
With
Perpendicular.
The approximate coordinate of getting A for (
), according to the tangent slope of B and
The slope unanimity, the abscissa that can obtain B satisfies:
Then according to the similar characteristic of similar triangles, a vibration period internal vibration is rolled over and is passed to the rolling layers Continuous Energy
Can be expressed as:
4. the type selecting of criterion and vibration rolling is passed judgment in the equivalence of compaction of earth rock material quality evaluation index
By the conventional field compaction test in scene, (Coarse Aggregate is relative density to the evaluation index of final definite compaction of earth rock material quality, the fine earth material is degree of compaction), namely be met the earth and stone material that the regulation compactness requires, and will satisfy and stipulate that the earth and stone material that compactness requires obtains by formula (4)
,
For the real-time monitoring vibration of earth and stone material that satisfies the requirement of regulation compactness is rolled over effective compaction energy, because earth and stone material has satisfied the requirement of regulation compactness, then
Constant, with this energy
As the compacting metrics-thresholds of the effective compaction energy that satisfies given evaluation index, the evaluation index when given evaluation index refers to that earth and stone material satisfies the regulation compactness and requires.If rolled earth and stone material (earth and stone material to be measured) and can't be satisfied the compaction rate requirement, the compacting functions that the vibration rolling is described is less than normal for this earth and stone material, need select for use the vibration of bigger compacting functions to roll over or adjust and vibrate the Parameters of Vibratory Compaction for Roll (vibration frequency and amplitude) of rolling over, determine the equivalent evaluation index of compaction of earth rock material degree again by the flow process of above-mentioned steps 4---effective compaction energy threshold value
5. rolled the compaction rate evaluation of earth and stone material
Increase along with the vibroroller cmpacting number of times, earth and stone material to be measured is tending towards closely knit, the vibration rolling is passed to rolling layers continuous effective compaction energy and is reduced gradually, when the continuous effective compaction energy less than equivalent compacting index---effective compaction energy threshold value and tending towards stability, illustrate that then rolling layers is closely knit, satisfy the compactness requirement of regulation, namely according to monitoring result, calculate the continuous effective compaction energy distribution map in each vibration period of rolling the real-time each point of earth and stone material to be measured.According to the Continuous Energy distribution map, when the continuous effective energy of position among the figure less than effective compaction energy threshold value and when stable, can illustrate that then the earth and stone material to be measured at this place has been tending towards closely knit under this compacting functions; The Continuous Energy numerical value at position place is bigger than normal or do not tend towards stability in figure, illustrates that then the earth and stone material at this place still needs further to roll, and is stable and less than effective compaction energy threshold value to the continuous effective compaction energy;
6. work as the Continuous Energy distribution value of each position of earth and stone material to be measured less than effective compaction energy threshold value and stable, then this earth and stone material to be measured of explanation has been tending towards closely knit, satisfies the requirement of stipulating compaction rate.
The preferred specific embodiment of described the present invention only is used for the explanation embodiments of the present invention by reference to the accompanying drawings above; rather than as the restriction to aforementioned goal of the invention and claims content and scope; any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment all still belong to the technology of the present invention and rights protection category.
Claims (5)
1. a quick Real-Time Evaluation earth and stone material fills the loseless method of compaction quality, it is characterized in that, may further comprise the steps: the first step, roll by vibrating wheels in the earth and stone material process to be measured at the vibrating roller of arbitrary model, calculate vibrating roller according to the vibrating roller relevant parameter and be delivered to by the continuous pressure F of spreading earth and stone material to be measured; Second displacement that goes on foot, calculates vibrating wheels by the pick-up sensor
, the displacement of described vibrating wheels
Direction identical with the normal direction that earth and stone material to be measured contacts the center with vibrating wheels, according to the continuous pressure F that draws in the first step and the displacement of vibrating wheels
Calculating a vibration period internal vibration wheel is delivered to by the continuous compaction energy of spreading earth and stone material to be measured
Criterion is passed judgment in the 3rd equivalence that goes on foot, sets up the compaction quality evaluation index: default as the compacting metrics-thresholds of estimating the compacting index
For satisfying the earth and stone material compaction energy corresponding with the vibrating roller of this same model that the regulation compactness requires
During judge: stable and during smaller or equal to the compacting metrics-thresholds when the continuous compaction energy of earth and stone material to be measured, illustrate that then the rolling layers of earth and stone material to be measured is closely knit, satisfy the compactness requirement of regulation, stop vibroroller cmpacting.
2. fill the loseless method of compaction quality according to the described quick Real-Time Evaluation earth and stone material of claim 1, it is characterized in that: in the first step, in vibration spreading process, vibration is rolled over and is delivered to the continuous pressure that is compacted earth and stone material
For:
, in the formula
Quality for vibrating wheels;
Acceleration for vibrating wheels;
Quality for vibrating wheels inside eccentric block;
Eccentric throw for eccentric block;
Angular frequency for the eccentric block rotation;
The size of exciting force is rolled in the representative vibration;
Roll over the weight of removing the vibrating wheels external frame for vibration;
Be acceleration of gravity.
3. fill the loseless method of compaction quality according to the described quick Real-Time Evaluation earth and stone material of claim 1, it is characterized in that: in second step
Computational methods be because continuous pressure
And the relation between the displacement Z of vibrating wheels is approximately elliptic curve, then with this oval center of circle as initial point, with the displacement of vibrating wheels
As
Axle is with continuous pressure
As
Axle is set up rectangular coordinate system, then
With
The area that surrounds is rolled over for vibration and is passed to the effective compaction energy that is compacted earth and stone material
, order
, in the formula: A be coordinate be (
) the point,
,
Be respectively A point, B point to the line segment length of initial point O, and
With
Perpendicular; According to the tangent slope of B and
The slope unanimity, the abscissa that can obtain B satisfies
, then according to the similar characteristic of similar triangles, a vibration period internal vibration is rolled over and is passed to the rolling layers Continuous Energy
Can be expressed as:
4. fill the loseless method of compaction quality according to the described quick Real-Time Evaluation earth and stone material of claim 1, it is characterized in that: described compacting metrics-thresholds
The selection method of rolling over vibration is: the first step, roll earth and stone material by the vibrating roller of choosing a certain model, and compaction energy is effectively continuously rolled in monitoring calculation vibration in real time
Value; Second goes on foot, passes through the relative density of the earth and stone material Coarse Aggregate of this compacting of detection, and the degree of compaction of fine earth material judges whether it reaches the compactness requirement of satisfying regulation; The type selecting that the 3rd step, vibration are rolled over if satisfy the compactness requirement of regulation, then should
Value is the compacting metrics-thresholds of the vibrating roller stone roller of this model
If this quilt rolls earth and stone material and can't satisfy the compaction rate requirement, the compacting functions that the vibration rolling is described is less than normal for this earth and stone material, need select for use the vibration of bigger compacting functions to roll over or adjust the Parameters of Vibratory Compaction for Roll (vibration frequency and amplitude) that vibration is rolled over, determine the compacting metrics-thresholds that vibration is rolled over by above-mentioned first, second step again
5. one kind is filled the evaluating apparatus of the loseless method of compaction quality based on the described quick Real-Time Evaluation earth and stone material of claim 1, it is characterized in that: involving vibrations stone roller, pick-up sensor, computer man-machine dialogue platform, compaction energy continuously
Computing unit, compacting metrics-thresholds determining unit and judge unit; Described vibrating roller is used for the vibroroller cmpacting earth and stone material; Described pick-up sensor is used for measuring the displacement Z of the vibrating wheels of calculating vibrating roller; Described computer man-machine dialogue platform is used for the compacting parameter that inputted vibration grinds, and sends this parameter to continuous compaction energy
Computing unit and compacting metrics-thresholds determining unit are used for showing the information that the unit is carried of passing judgment on simultaneously; Described continuous compaction energy
Computing unit is used for calculating continuous compaction energy according to the displacement Z of vibration rolling parameter and vibrating wheels
Value, and send the judge unit to; Described compacting metrics-thresholds determining unit is used for going out its compaction energy according to the earth and stone material that satisfies the requirement of regulation compactness and vibration rolling calculation of parameter
, and with this compaction energy
As the compacting metrics-thresholds of estimating the compacting index, and send this compacting metrics-thresholds to the judge unit; Described judge unit is used for basis
With
Value is passed judgment on, when
Smaller or equal to
The time, described judge unit carries rolling layers closely knit to the computer man-machine dialogue platform, stops vibroroller cmpacting information.
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