Standard Test Methods For Measurement Of Hydraulic Conductivity Of Saturated Porous Materials Using A Flexible Wall Permeameter
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Standard Test Methods for Measurement of Hydraulic Conductivity of Saturated Porous Materials Using a Flexible Wall Permeameter
Author | : ASTM Committee D-18 on Soil and Rock |
Publisher | : |
Total Pages | : 46 |
Release | : 2010 |
Genre | : Porous materials |
ISBN | : |
Hydraulic Conductivity and Waste Contaminant Transport in Soil
Author | : David Edwin Daniel |
Publisher | : ASTM International |
Total Pages | : 617 |
Release | : 1994 |
Genre | : Bentonite |
ISBN | : 0803114427 |
Variability of Saturated Hydraulic Conductivity Measurements Made Using a Flexible-Wall Permeameter
Author | : C. H. Benson |
Publisher | : |
Total Pages | : 16 |
Release | : 2016 |
Genre | : Flexible-wall permeameter |
ISBN | : |
A study was conducted following the procedures in ASTM E691-14 (Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method) to develop a precision statement for hydraulic conductivity measurement of fine-grained soils using Method C (falling head, rising tailwater elevation) of ASTM D5084-10 (Standard Test Methods for Measurement of Hydraulic Conductivity of Saturated Porous Materials Using a Flexible Wall Permeameter). Twelve laboratories conducted tests on three replicate specimens of three fine-grained soils (9 specimens total per laboratory) from the ASTM Reference Soils Program: Soil ML (silt), Soil CL (low plasticity clay), and Soil CH (high plasticity clay). The data indicated that the measurement variability for hydraulic conductivity is modest but not negligible, and probably contributes to the spatial variability reported in past studies of hydraulic conductivity. No systematic relationships were observed between variability in hydraulic conductivity and testing time (consolidation, permeation), backpressure, B-coefficient achieved at end of consolidation, compliance with the termination criteria, or specimen compaction conditions. Many laboratories did not comply with the test standard or the supplemental instructions, which may indicate that greater oversight of geotechnical laboratories is needed via accreditation and auditing programs. Analysis of the data indicate that hydraulic conductivity can be measured using Method C of ASTM D5084 within a factor of 2 for the 10-6 cm/s range, a factor of 1.5 for the 10-8 cm/s range, and a factor of 4 for the 10-9 cm/s range.
Laboratory Tests for Unsaturated Soils
Author | : Eng-Choon Leong |
Publisher | : CRC Press |
Total Pages | : 436 |
Release | : 2023-02-16 |
Genre | : Technology & Engineering |
ISBN | : 1351600249 |
The testing of unsaturated soils requires greater care and effort than that of saturated soils. Although unsaturated soil mechanics has been embraced by geotechnical engineering, engineering practice has not yet caught up as the characterization of unsaturated soils is difficult and time-consuming, and made harder still by a lack of standards. Laboratory Tests for Unsaturated Soils collates test procedures to cover all laboratory tests for characterising unsaturated soils. It covers the background, theory, test procedures, and interpretation of test results. Each test procedure is broken down into simple stages and described in detail. The pitfalls of each test and the interpretation of the test results are explained. Test data and calculation methods are given, along with many numerical examples to illustrate the methods of interpretation and to offer the presentation of typical results. The book is especially useful for students and researchers who are new to the field and provides a practical handbook for engineering applications.
Transportation Infrastructure Engineering, Materials, Behavior and Performance
Author | : Wynand JvdM Steyn |
Publisher | : Springer Nature |
Total Pages | : 209 |
Release | : 2021-07-10 |
Genre | : Technology & Engineering |
ISBN | : 3030798577 |
Society needs to travel to engage in productive and effective commerce, social, educational and related activities. Efficient travel is founded on an operational transport infrastructure system that is well-designed, engineering, constructed and maintained. This volume shares some of the latest innovations and thoughts in the areas of pavement infrastructure materials, behavior and performance. Access to this volume should enable the reader to gain an understanding of such novel information that should support improvements in the provision of an effective road transportation system for the benefit of the greater society served by the road network. The content is based on the contributions to the 6th GeoChina International Conference on Civil & Transportation Infrastructures: From Engineering to Smart & Green Life Cycle Solutions -- Nanchang, China, 2021.
Geologic, Hydrologic, and Water-quality Data from Multiple-well Monitoring Sites in the Central and West Coast Basins, Los Angeles County, California, 1995-2000
Author | : Michael Land |
Publisher | : |
Total Pages | : 188 |
Release | : 2002 |
Genre | : Groundwater flow |
ISBN | : |
Frontiers in Offshore Geotechnics III
Author | : Vaughan Meyer |
Publisher | : CRC Press |
Total Pages | : 1422 |
Release | : 2015-05-15 |
Genre | : Technology & Engineering |
ISBN | : 131567551X |
Frontiers in Offshore Geotechnics III comprises the contributions presented at the Third International Symposium on Frontiers in Offshore Geotechnics (ISFOG, Oslo, Norway, 10-12 June 2015), organised by the Norwegian Geotechnical Institute (NGI). The papers address current and emerging geotechnical engineering challenges facing those working in off
Innovations in Controlled Low-strength Material (flowable Fill)
Author | : Jennifer L. Hitch |
Publisher | : ASTM International |
Total Pages | : 163 |
Release | : 2004 |
Genre | : Controlled low-strength materials |
ISBN | : 0803134819 |