Academic literature on the topic 'AASHTO soil classifications'

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Journal articles on the topic "AASHTO soil classifications"

1

Soltani, Amin, and Brendan C. O’Kelly. "Reappraisal of the ASTM/AASHTO Standard Rolling Device Method for Plastic Limit Determination of Fine-Grained Soils." Geosciences 11, no. 6 (2021): 247. http://dx.doi.org/10.3390/geosciences11060247.

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Given its apparent limitations, various attempts have been made to develop alternative testing approaches to the standardized rolling-thread plastic limit (PLRT) method (for fine-grained soils), targeting higher degrees of repeatability and reproducibility. Among these, device-rolling techniques, including the method described in ASTM D4318/AASHTO T90 standards, based on original work by Bobrowski and Griekspoor (BG) and which follows the same basic principles as the standard thread-rolling (by hand) test, have been highly underrated by some researchers. To better understand the true potential
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Ji, Richard, Nayyarzia Siddiki, Tommy Nantung, and Daehyeon Kim. "Evaluation of Resilient Modulus of Subgrade and Base Materials in Indiana and Its Implementation in MEPDG." Scientific World Journal 2014 (2014): 1–14. http://dx.doi.org/10.1155/2014/372838.

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In order to implement MEPDG hierarchical inputs for unbound and subgrade soil, a database containing subgradeMR, index properties, standard proctor, and laboratoryMRfor 140 undisturbed roadbed soil samples from six different districts in Indiana was created. TheMRdata were categorized in accordance with the AASHTO soil classifications and divided into several groups. Based on each group, this study develops statistical analysis and evaluation datasets to validate these models. Stress-based regression models were evaluated using a statistical tool (analysis of variance (ANOVA)) andZ-test, and p
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3

Hryciw, Roman D., and Yongsub Jung. "Three-Point Imaging Test for AASHTO Soil Classification." Transportation Research Record: Journal of the Transportation Research Board 2101, no. 1 (2009): 27–33. http://dx.doi.org/10.3141/2101-04.

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4

Hidayat, Muhammad Nurjati. "Studi Material Tanah Longsor Akibat Gempa Lombok 2018." TERAS JURNAL 10, no. 2 (2020): 235. http://dx.doi.org/10.29103/tj.v10i2.330.

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<p align="center"><strong>Abstrak</strong></p><p> </p><p class="11daftarpustaka">Pada umumnya, tanah longsor terjadi dengan skala yang kecil dan dampak yang dihasilkan tidak parah sebagaimana letusan gunung berapi, gempa atau tsunami. Namun, perhatian terhadap bencana ini seringkali diabaikan oleh masyarakat dan perencanaan pembangunan kota. Ada beberapa faktor yang perlu diperhatikan dalam meneliti tanah longor, salah satunya adalah mineral tanah. Dalam studi ini, sampel tanah diambil dari Lombok Utara akibat dari gempa Lombok 2018. Penelitian ini dil
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Brohi, Imad Ali, Muzafar Ali Kalwar, Muhammad Hassan Agheem, Shafique Ahmad Junejo, and Ali Ghulam Sahito. "Study of Geotechnical Assessments for The Foundation and Construction of Civil Work at Tharparkar District, Sindh, Pakistan." International Journal of Economic and Environmental Geology 11, no. 4 (2021): 18–21. http://dx.doi.org/10.46660/ijeeg.vol11.iss4.2020.510.

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This study evaluates engineering properties of soils for the foundation in Tharparkar district. Three boreholes were investigated in the study area at the depths of 8m, 9m and 9m respectively. The area is mainly divided into three zones, i.e. BH-01, BH-02 and BH-03. Groundwater was not encountered in any borehole. The soil profile of all three boreholes are low dense to medium dense at 2.0m to 6.0m and the 7.0m to 9.0m depths respectively. Overburden depth was very dense (N-values ranges from 8 to 17 and 33 to more than 50 numbers). Laboratory results reveal that moisture content goes 4.8 to 6
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6

Landa-Ruiz, Laura, Sabino Márquez-Montero, Griselda Santiago-Hurtado, Victor Moreno-Landeros, José Manuel Mendoza-Rangel, and Miguel Angel Baltazar-Zamora. "Effect of the Addition of Sugar Cane Bagasse Ash on the Compaction Properties of a Granular Material Type Hydraulic Base." European Journal of Engineering and Technology Research 6, no. 1 (2021): 76–79. http://dx.doi.org/10.24018/ejers.2021.6.1.2335.

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In the present investigation 8 soil samples were studied, with additions of 5 and 7% of addition of sugar Cane Bagasse Ash (SCBA), Portland Cement (PC) and combinations of these in different proportions. The characterization and classification of the study soil was carried out, determining the Natural Humidity, Granulometric Curve, Consistency Limits, soil classification according to the Unified Soil Classification System (USCS) and AASHTO compaction. The results show that the use of the SCBA is viable to significantly improve the physical properties of the granular soil type Hydraulic Base, T
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7

P.O., Youdeowei,, Nwankwoala, H.O., and Ayibanimiworio, G.T. "SOIL STABILIZATION AND IMPROVEMENT OF MARINE CLAYS USING CEMENT AND LIME IN A MARSHLAND." Engineering Heritage Journal 4, no. 1 (2020): 08–14. http://dx.doi.org/10.26480/gwk.01.2020.08.14.

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This study assesses the stabilization of marine clay soil using cement and lime to improve on the subgrade material. The tests conducted include: the natural moisture content, specific gravity, sieve analysis, Atterberg limit, compaction and California Bearing Ratio (CBR). The types of stabilization used were mechanical and chemical. The results obtained were classified using AASHTO classification system and based on the results the soil corresponds to group A-6 soils. The highest CBR values of 33.24% and 424.35% were obtained at 20% cement content for unsoaked and soaked and for lime the high
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8

AKINWUMI, Isaac I., and Colin A. BOOTH. "EXPERIMENTAL INSIGHTS OF USING WASTE MARBLE FINES TO MODIFY THE GEOTECHNICAL PROPERTIES OF A LATERITIC SOIL." JOURNAL OF ENVIRONMENTAL ENGINEERING AND LANDSCAPE MANAGEMENT 23, no. 2 (2015): 121–28. http://dx.doi.org/10.3846/16486897.2014.1002843.

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Marble spoil waste is an environmental nuisance. The effects of adding waste marble fines (WMF) on the plasticity, strength and permeability of a lateritic clay have been investigated for its potential use as a soil modifier or stabilizer of road pavement layer materials or earth-building materials. The chemical compositions of the WMF and soil were determined using X-ray fluorescence and atomic absorption spectrometry, respectively. The specific gravity, Atterberg limits, compaction, strength and permeability characteristics of the soil were determined for varying proportions of the soil-WMF
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9

Guerrero, Cristian Camilo, and Lucio Gerardo Cruz Velasco. "Experimental study of Colombian volcanic ash soil classification in the Colombian southwest with SUCS, AASHTO method and a new classification method." Ingeniería y Desarrollo 36, no. 2 (2018): 378–97. http://dx.doi.org/10.14482/inde.36.2.10377.

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10

Karira, Hemu, Aneel Kumar, Anees Raja, and Ali Murtaza. "Correlation between Chemical and Index Properties of Soils of Hyderabad Region." Civil Engineering Journal 4, no. 12 (2018): 2821. http://dx.doi.org/10.28991/cej-03091201.

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Each soil has unique nature of the characteristics and its properties are beyond the control of the designer. Since the soil parameters varies from site to site or location to location, thus selecting the reliable properties of soil is always a challenge for the Geotechnical Engineers. One of the option is intense soil investigations. However, there are various soil properties whose determination is time consuming and expansive. Geotechnical Engineer usually tries to develop mathematical equations specific to a particular soil type. However, a mathematical formula that is more reliable for the
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