prediction of cbr and resilient modulus of crushed waste rocks

Prediction of Resilient Modulus from the Laboratory Testing …

GDOT Research Project No. 17-25 Final Report PREDICTION OF RESILIENT MODULUS FROM THE LABORATORY TESTING OF SANDY SOILS By S. Sonny Kim, Ph.D., P.E., F.ASCE Associate Professor Steve Pahno, M.S. Graduate Research Assistant

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Determination of resilient behavior of crushed waste rock using …

PDF | Open-pit mining operations can generate large volumes of waste rocks, which are usually disposed of in piles that can be difficult to manage and... | Find, read and cite all the research you ...

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Estimation of resilient behavior of crushed waste rocks using repeated load CBR …

Read Estimation of resilient behavior of crushed waste rocks using repeated load CBR tests

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Prediction of resilient modulus of compacted saprolitic soils by CBR …

completely decomposed granite moisture ratio resilient modulus saprolitic subgrade soils unconfined compressive strength Publisher: Taylor & Francis Ltd Journal: International Journal of Pavement Engineering ISSN: 1029-8436 DOI: 10.1080/10298436.2012.

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[PDF] Determination of resilient behavior of crushed waste rock …

Open-pit mining operations can generate large volumes of waste rocks, which are usually disposed of in piles that can be difficult to manage and reclaim. Crushed waste rock (CWR) is commonly used for the construction of mine haul roads because of the low cost and high strength. Resilient modulus is the primary parameter for flexible roads design, and it can be measured …

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"Prediction of the resilient modulus of unbound granular base …

"The paper describes methods for predicting the reilient (elastic) modulus of unbound granular base and subbase materials used in flexible pavement construction based on California Bearing Ratio (CBR) and/or other test data. Current pavement design methods employ relationships that estimate the resilient modulus from CBR results. The most commonly referenced of these …

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Characterizing and Predicting the Resilient Modulus of Recycled Aggregates from Building Demolition Waste …

 · Zingg''s bivariate method [] was used to classify the shape of different types of coarse BDW particles, and the classification results are shown in Figure 3.As can be seen from Figure 3, most of the coarse BDW particles resemble blocks or disks, and most of the sphericity values of used aggregate and brick particles range from 0.5 to 1; on the other hand, the shape …

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Prediction of CBR and resilient modulus of crushed waste rocks …

 · Request PDF | Prediction of CBR and resilient modulus of crushed waste rocks using machine learning models | California bearing ratio (CBR) and resilient modulus are critical factors for designing ...

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PREDICTION OF RESILIENT MODULUS FROM SOIL INDEX PROPERTIES

This report includes the results of a study titled "Resilient Modulus Prediction Employing Soil Index Properties", conducted by the Department of Civil Engineering, The University of Mississippi, in cooperation with the Mississippi Department of Transportation (MDOT), the U.S.

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Estimation of resilient behavior of crushed waste rocks using …

Abstract Crushed waste rocks (CWR), generated from mining operations, have been widely used for the construction of mine haul roads because of their low-cost, high-strength, and availability. Resilient modulus is a necessary input to mechanistic design for mine haul roads, but its determination usually requires advanced and complex equipment such as repeated …

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Estimation of resilient behavior of crushed waste rocks using …

Thirty-nine and 2320 datasets, obtained from a series of CBR and repeated load triaxial tests, were applied to develop CBR and resilient modulus models, respectively.

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Correlation Between Modulus of Resilience and CBR Value of …

The value of resilient of modulus is calculated and the value is found between 300 to 672 kg/cm2 . It has been observed that MR increases as the relative density increases. Similarly the MR increases as the number of loading cycle increases. Correlation between resilient modulus and CBR value is also developed.

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Prediction of resilient modulus of compacted saprolitic soils by CBR …

Prediction of resilient modulus of compacted saprolitic soils by CBR approach for road pavement subgrade: A re-examination Gordon Lai Ming Leung, Alan Wing Gun Wong, Yuhong Wang The Hong Kong Polytechnic University Department of Civil and : › › › ...

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Material Layer Coefficients of Unbound Granular Materials from Resilient Modulus …

1. To determine from laboratory resilient-modulus results, typical resilient-modulus relation of granular base and subbase materials used by test ships MSHA, 2. To determine typical structural layer coeffi cient (ail and SR-values for flexible

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PDF Prediction Of The Resilient Modulus Of Unbound Granular …

Therefore, it could be helpful if a model were available that would reliably predict the resilient modulus over a wider range of CBR values and be more specific to unbound granular materials. In this study, four different Missouri aggregates were analyzed that are commonly used in pavement base layers.

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Prediction of the resilient modulus of unbound granular base …

"The paper describes methods for predicting the reilient (elastic) modulus of unbound granular base and subbase materials used in flexible pavement construction based on California Bearing Ratio (CBR) and/or other test data. Current pavement design methods employ relationships that estimate the resilient modulus from CBR results. The most commonly referenced of these …

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(PDF) Establishment of Correlation between CBR and Resilient Modulus …

In the present study, an effort has been made to develop an empirical correlation between Resilient Modulus (MR) and soaked California Bearing Ratio (CBR) for the subgrade soil. In recent times, MR is being widely used to design pavements instead of

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Prediction of resilient modulus of compacted saprolitic soils by CBR approach for road pavement subgrade…

 · (2013). Prediction of resilient modulus of compacted saprolitic soils by CBR approach for road pavement subgrade: a re-examination. International Journal of Pavement Engineering: Vol. 14, No. 4, pp. 403-417.

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Development of a Correlation between the Resilient Modulus and CBR Value for Granular Blends Containing Natural Aggregates and …

 · Limited supplies of natural aggregates for highway construction, in addition to increasing processing costs, time, and environmental concerns, have led to the use of various reclaimed/recycled materials. Reclaimed asphalt pavement (RAP) and recycled concrete aggregate (RCA) have prospective uses in substantial amounts in base and subbase layers of …

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Estimation of resilient behavior of crushed waste rocks using repeated load CBR …

Abstract Crushed waste rocks (CWR), generated from mining operations, have been widely used for the construction of mine haul roads because of their low-cost, high-strength, and availability. Resilient modulus is a necessary input to mechanistic design for mine haul roads, but its determination usually requires advanced and complex equipment such as repeated …

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Developing Resilient Modulus Prediction Models Based on Experimental Results of Crushed …

 · Mechanistic pavement design procedures of flexible pavement based on elastic-layer theories require the determination or estimation of resilient modulus (MR) for each layer in the pavement structure. Considering the complexity and cost of testing required, regression models have been developed to predict resilient modulus of heavy-duty base crushed rock mixes …

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Subgrade Resilient Modulus Calculator

Description. The Resilient Modulus is a basic subgrade soil stiffness/strength characterization commonly used in structural design of pavements. Resilient Modulus is a measure of the elastic response of a soil (e.g., how well a soil is able to return to its original shape and size after being stressed) under repeated loading. This web applet ...

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(PDF) CORRELATION BETWEEN MODULUS OF RESILIENCE AND CBR …

CORRELATION BETWEEN MODULUS OF RESILIENCE AND CBR VALUE OF TRISHULI RIVER SAND (PDF) CORRELATION BETWEEN MODULUS OF RESILIENCE AND CBR VALUE OF TRISHULI RIVER SAND | Ram Kumar Shrestha - Academia Academia uses cookies to personalize content, tailor ads and improve the user experience.

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Establishment of Correlation between CBR and Resilient Modulus …

S. Muthu Lakshmi et al. / IJCE, 6(5), 44-49, 2019 46 TABLE I Index property of soil samples Index Property S1 S2 S3 S4 S5 Specific Gravity (G) 2.23 2.21 2.26 2.31 2.32 Wet Sieve Analysis Percentage of Gravel Percentage of Sand Percentage of Fines D 10

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On Forecasting the Resilient Modulus from the CBR Value of …

Power regression models were found in the best fit, which connecting soaked CBR with DPI, sub-grade modulus with DPI and CBR, and shows a strong correlation of a coefficient of determination (R 2 ...

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[PDF] Determination of resilient behavior of crushed waste rock using cyclic load CBR …

Open-pit mining operations can generate large volumes of waste rocks, which are usually disposed of in piles that can be difficult to manage and reclaim. Crushed waste rock (CWR) is commonly used for the construction of mine haul roads because of the low cost and high strength. Resilient modulus is the primary parameter for flexible roads design, and it can be measured …

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Estimation of resilient behavior of crushed waste rocks using repeated load CBR …

Crushed waste rocks (CWR), generated from mining operations, have been widely used for the construction of mine haul roads because of their low-cost, high-strength, and availability. Resilient modulus is a necessary input to mechanistic design for mine haul roads, but its determination usually requires advanced and complex equipment such as repeated load …

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Evaluation of resilient moduli for recycled crushed-rock-soil …

 · The objective of the paper is to develop a resilient modulus prediction model for load-bearing compaction fills of crushed-rock-soil-mixtures which start being recycled from adjacent cutting and tunneling in the recent construction of highways and high-speed railways in mountainous sites in Korea. Often, the mixture is scarcely engineered except for controlling …

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Estimation of resilient behavior of crushed waste rocks using …

 · In comparison, the resilient modulus of crushed rock increased significantly as the density increased by around 66% . Some laboratory investigations also found that the effect of density on resilient modulus was limited and much lesser for fully crushed than for partially crushed (i.e. mixing both crushed and non-crushed materials) aggregates [34] .

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Evaluation of Subgrade Resilient Modulus from Unsaturated CBR …

 · The CBR result shows that NCS 1 recorded a CBR value of 17.26% on the dry side of the optimum (DOP) compared to NCS 2 and 3 with CBR values of 20.14% and 25.3%. At optimum moisture content (OPT), the CBR values of NCS 1, 2 and 3 yielded CBR value of 10.23%, 19.38% and 20.11% respectively.

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Prediction of CBR and resilient modulus of crushed waste rocks …

 · California bearing ratio (CBR) and resilient modulus are critical factors for designing pavements. However, the measurement of CBR and resilient modulus of crushed waste rocks that are widely used for the construction of mine haul roads can be costly and time-consuming which is often prohibitive, especially since service lifetime of haul roads is relatively short. The …

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Resilient Modulus Testing

Resilient Modulus (Mr) is a fundamental material property used to characterize unbound pavement materials. It is a measure of material stiffness and provides a mean to analyze stiffness of materials under different conditions, such as moisture, density and stress level. It is also a required input parameter to mechanistic-empirical pavement ...

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(PDF) Geotechnical characteristics of crushed waste excavation rock …

Geotechnical characteristics of crushed waste excavation rock in pavement sub-bases Academia uses cookies to personalize content, tailor ads and improve the user experience. By using our site, you agree to our collection of information through the use of ...

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California Bearing Ratio (CBR), Plate Load Test (PLT), Modulus of Elasticity (E), Modulus …

 · Journal of Civil Engineering Research 2012, 2(1): 34-40 DOI: 10.5923/j.jce.20120201.05 Evaluation of Modulus of Elasticity and Modulus of Subgrade Reaction of Soils Using CBR Test Elsa Eka Putri *, N. S.V Kameswara Rao, M. A. …

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Estimation of resilient behavior of crushed waste rocks using …

Crushed waste rocks (CWR), generated from mining operations, have been widely used for the construction of mine haul roads because of their low-cost, high-strength, and availability. Resilient modulus is a necessary input to mechanistic design for mine haul roads, but its determination usually requires advanced and complex equipment such as repeated load …

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