About Us

MINEVIK Machinery is a leading and pioneering enterprise with the most advanced international level in R&D, manufacturing and selling of large-scale crushing & screening plants and beneficiation plants.

large-scale crushing & screening plants and beneficiation plants.

All of our equipment have got ISO international quality system certification, European Union CE certification and Russian GOST certification.

  • In central China-Zhengzhou, covering 140 thousand square meters
  • Win-win cooperation and create more value to customers
  • Exported large quantities and high-end mobile crushing plant and milling equipments to Russia, Kazakhstan, Indonesia, Ecuador, South Africa, Nigeria, Turkey more than 100 countries .

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Our Products

AS a leading global manufacturer of crushing and milling equipment, we offer including quarry, aggregate, grinding production and complete stone crushing plant. We also supply individual crushers and mills as well as spare parts of them.


Our goal is to guarantee the excellent operation equipment with high safety for our customers and minimize the downtime of the machine by predictive maintenance. Kefid service and original accessories can be 100% trusted at the time of maintenance.


Minevik service and original accessories can be 100% trusted at the time of maintenance.


striving to enable customers to get the parts in the nearest place.


Our sales market is spread all over more than 100 countries and regions

value of cbr for crush impact

4 Results: California Bearing Ratio (CBR) uni-halle.de

4 Results: California Bearing Ratio (CBR) CBR-value is used as an index of soil strength and bearing capacity. This value is broadly used and applied in design of the base and the sub-base material for pavement. Lime- and fly ash–stabilized soils are often used for the construction of these pavement layers and also for embankments. CBR-value is a familiar indicator test used to evaluate the

Clegg Hammer—California-Bearing Ratio Correlations

Phase 2 focused on conducting in situ CBR and CIH tests on existing soils at some preselected locations as part of ongoing projects in Saudi Arabia. The test results of both phases were statistically analyzed and indicated that the Clegg impact value correlates relatively well with the CBR value for both the laboratory and field tests. These

California bearing ratio Wikipedia

The California Bearing Ratio (CBR) test is a penetration test used to evaluate the subgrade strength of roads and pavements. The results of these tests are used with the empirical curves to determine the thickness of pavement and its component layers. This is the most widely used method for the design of flexible pavement.

California bearing ratio typical values | CBR Testing UK

California bearing ratio typical values. What are the typical CBR values? The harder the material, the higher the CBR value. A CBR value of 2% is usually found for clay, high-quality sub-base will have CBR values between 80% and 100%, and some sands may have values around 10%. The CBR testing can be applied to soils with a maximum particle size of 20 mm. For soils with bigger particles, other

What value of CBR is recommended for use of material as

What value of CBR is recommended for use of material as sub-grade layer for laboratory and research purposes ? I've been conducting tests on use of Bagasse ash-cement mixture for possible use as


Correlation between CBR and Index Properties of Soil Fig.1: Comparison of experimental CBR and predicted CBR by different method From this figure it is observed that predicted value of CBR from Eqn. 1 shows wide divergence from the experimental value for most of the soils reported in Table 1. This

Paving Expert AJ McCormack and Son Pavement Layers

This test involves the use of a standard plunger being forced onto a sample of the soil/sub-grade being assessed at a steady rate of 1mm per minute. The force required to achieve each 0.25mm of penetration is recorded and the results can be checked against standard tables to give a numerical value which is referred to as the CBR.

SOILS Proficiency Testing PTA

CBR value is expressed as a percentage of the actual load causing the penetrations of 2.5 mm or 5.0 mm to the standard loads mentioned above. Therefore, • The greatest value calculated for penetrations at 2.5mm and 5.0mm will be recorded as the CBR. When the graph begins to concave up this is likely due to surface irregularities and so the

Transportation Research Record I 106 The Use of the Clegg

Impact Values were determined on the bottom face of the samples after the CBR tests were performed. The relationships between CIV and CBR for these tests are shown in Figures 1 and 2, in which different soil types are classified according to the Unified Classification System. These tests confirmed that the relationship is of the form

SOILS Proficiency Testing PTA

CBR value is expressed as a percentage of the actual load causing the penetrations of 2.5 mm or 5.0 mm to the standard loads mentioned above. Therefore, • The greatest value calculated for penetrations at 2.5mm and 5.0mm will be recorded as the CBR. When the graph begins to concave up this is likely due to surface irregularities and so the

A numerical test method of California bearing ratio on

In order to better understand the mechanical properties of graded crushed rocks (GCRs) and to optimize the relevant design, a numerical test method based on the particle flow modeling technique PFC 2D is developed for the California bearing ratio (CBR) test on GCRs. The effects of different testing conditions and micro-mechanical parameters used in the model on the CBR numerical results have

Aggregate Crushing Value Test – Determine Aggregate

Coarse aggregate crushing value is the percentage by weight of the crushed material obtained when test aggregates are subjected to a specified load under standardized conditions. Aggregate crushing value is a numerical index of the strength of the aggregate and it is used in construction of roads and pavements.

Pavement Design Foundation Design Durham University

For subgrades with CBR values of 15% and above the sub-base should have a standard thickness of 150mm, a value determined as the minimum practical for spreading and compaction. For subgrades with CBR values in excess of 30% and a low water table or hard rock subgrades then the

CBR % from Clegg Readings Earthwork/grading

I have a set of clegg impact values (CIV) which i have obtained and recorded and I need to convert them to %CBR Values. I have used the following formula on each CIV that i have recorded and have the results from them. % CBR = 0.07(IVxIV) An example of a result I am getting are as follows:-


22/09/2015· Values of Safe Bearing Capacity The safe bearing capacity of soil should be determined on the basis of soil test data or by performing some field test such as Standard penetration test or Plate load test etc. However, in the absence of soil test data, the values of

The Correlation between the CBR and Shear Strength in

the correlation between the CBR and soil strength. He undertook a considerable number of tests in Aus-tralia for obtaining the CBR,using static/dynamic cone penetrometers(DCP)[Scala, 1956]. The correlations were presented in blows/inch-CBR curves from DCP tests, and the bearing-capacity-CBR curve from static cone penetration tests. Other than

Site Test Procedure using the Clegg Impact Soil Tester

Impact Value Reading and Drop Counter on the Clegg Readout Unit. The number of drops from switch-on, indicated by the right hand digit on the liquid crystal display increments from 0 to 5 and theafter recycles from 1 through 5. After observing the 5 displayed readings of Impact Value at one location, release the press button on the readout unit


The maximum Clegg Impact Value (CIV) at the end of the 4th blow is the recorded value. The on-site CBR value shall be taken as 0.07 (CIV) 2 If a Clegg Hammer test gives a sub-standard result, five further tests will be taken close-by.

R40 P avement Base and Subbase Dat e: July 2014 Editi on 1

• The assigned values are derived from tests undertaken within the previous 24 months • The CBR test report is accompanied by particle size distribution, properties of fines, maximum dry density and optimum moisture content for the sample tested for CBR.

(PDF) Clegg Hammer—California-Bearing Ratio

Many relationships including the correlations between the Clegg impact value (CIV) and other soil parameters, such as the California bearing ratio (CBR) and resilient Modulus (Mr), with a range of

Use of crushed seashell by-products for sandy subgrade

PDF | On Jan 1, 2016, Gaby Ruiz and others published Use of crushed seashell by-products for sandy subgrade stabilization for pavement purpose

Technical Information Sheet CLASS 2 & 3 CRUSHED ROCK

Technical Information Sheet CLASS 2 & 3 CRUSHED ROCK There are sound reasons for using Alex Fraser’s Class 2 & 3 Crushed Rock on your next project. VicRoads approved If you are undertaking civil construction is Victoria – you will nearly always need to meet VicRoads specifications.

Aggregate Crushing Value Civil Engineering

AGGREGATE CRUSHING VALUE This test helps to determine the aggregate crushing value of coarse aggregates as per IS: 2386 (Part IV) – 1963. The apparatus used is Cylindrical measure and plunger, Compression testing machine, IS Sieves of sizes – 12.5mm, 10mm and 2.36mm. Procedure to determine Aggregate Crushing Value

Standard Test Methods for Determination of the Impact

5.16 The Heavy Impact Value has application to testing the same materials as those tested by the standard, light, medium, and heavy medium heavy impact soil testers, but the greater mass of this impact soil tester provides less sensitivity of the output so is applicable for harder materials at the top end the scales or beyond the ranges of the lighter impact soil testers.

Los Angeles Abrasion Pavement Interactive

Therefore, an L.A. abrasion loss value of 40 indicates that 40% of the original sample passed through the No. 12 (1.70 mm) sieve. The standard Los Angeles abrasion test is: AASHTO T 96 or ASTM C 131: Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine; Background

Can One Use the Dynamic Cone Penetrometer to Predict the

CBR values and the bearing capacity measured at 2.5mm (same as CBR test). This doesn’t imply that the values are ultimate or allowable values and therefore it is considered that at lower CBR values the bearing capacity measured at 2.5mm deflection is closer to an ultimate value whilst at higher CBR values further from the ultimate load with higher factors of safety (FoS), but nevertheless

Converting CBR to Bearing Capacity Foundation

8/07/2003· As a rough thought and Focht3 is right if the thread he quotes for PLT is the one I am thinking of there are some correlations given in highway engineering books taking CBR values and getting "k" values. If you know "k" and are cognizant of the "subject to" caveats, you could get a rough idea of allowable bearing value for a given settlement.

Section 204 VicRoads

The continued acceptance of Assigned CBR and percentage swell will be assessed against the CBR and percentage swell values of a single CBR test and a single percentage swell test. Provided that the single CBR test value is greater than the specified Assigned CBR value and that the percentage swell value is less than the specified percentage swell value, the lot shall be accepted for CBR and

Cbr Vs Crusher Run unionemolliese.it

cbr test for crusher run wimmaasse.nl. cbr test for crusher run. ground engineering as potential end uses for recycled and-wrap, table 18: cbr data for rsa materials . it was decided to undertake a range of ground engineering related tests on the following run some larger lumps about 100 or 125 mm cube and lots of fines also a 'part brick' all in crusher run.crushed concrete base-dykes


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