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A Laboratory Investigation Of The Use Of Geotextiles To Mitigate Frost Heave And A Case Study Of Potential Causes Of Frost Heave
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Book Synopsis A Laboratory Investigation of the Use of Geotextiles to Mitigate Frost Heave and a Case Study of Potential Causes of Frost Heave by : Karen Sue Henry
Download or read book A Laboratory Investigation of the Use of Geotextiles to Mitigate Frost Heave and a Case Study of Potential Causes of Frost Heave written by Karen Sue Henry and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Case Study of Potential Causes of Frost Heave by : Karen S. Henry
Download or read book A Case Study of Potential Causes of Frost Heave written by Karen S. Henry and published by . This book was released on 1990 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laboratory Investigation of the Use of Geotextiles to Mitigate Frost Heave by : Karen S. Henry
Download or read book Laboratory Investigation of the Use of Geotextiles to Mitigate Frost Heave written by Karen S. Henry and published by . This book was released on 1990 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Geosynthetics written by Ian D. Peggs and published by ASTM International. This book was released on 1990 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thirteen papers from the ASTM Symposium on Microstructure and Performance of Geosynthetics, held in Orlando, Florida, January 1989, on the effects of structural parameters of fibers, geotextiles, and geomembranes on the short and long term performance of finished geosynthetic products. Price to memb
Book Synopsis Glaciological Data by : World Data Center A for Glaciology
Download or read book Glaciological Data written by World Data Center A for Glaciology and published by . This book was released on 1977 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Permafrost Bibliography Update, 1988-1992 by :
Download or read book Permafrost Bibliography Update, 1988-1992 written by and published by . This book was released on 1993 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book CRREL Report written by and published by . This book was released on 1990 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laboratory Investigation of the Use of Geotextiles to Mitigate Frost Heave by : Karen S. Henry
Download or read book Laboratory Investigation of the Use of Geotextiles to Mitigate Frost Heave written by Karen S. Henry and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Frost action beneath pavements can lead to several problems, including thaw weakening, which leads to cracking and subsequent pumping of fine soil particles onto the surface, as well as hazardous conditions caused by differential heaving. This study used data and frost-susceptible soil collected at Ravalli County Airport, Hamilton, Montana, to study the use of geotextiles to mitigate frost heave. The ability of geotextiles to reduce frost heave in subgrade material by creating a capillary break was assessed by inserting disks of fabric in soil samples and subjecting them to laboratory frost heave tests. Frost heave tests were also conducted to classify the frost-susceptibilities of soils at the airport. Soil moisture characteristics and unsaturated hydraulic conductivities were determined for soils tested as well as for one of the geotextiles used. Results of the laboratory investigation indicate that certain geotextiles show promise for use as capillary breaks. In laboratory tests, the presence of geotextiles led to the reduction of frost heave by amounts up to about 60%. It is speculated that the capillary break action provided by the geotextile is attributable to the pore size and structure of the material and the surface properties of the fibers.
Download or read book Benchnotes written by and published by . This book was released on 1991 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book CRREL Benchnotes written by and published by . This book was released on 1991 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Special Report written by and published by . This book was released on 1990 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Permafrost written by Kaare Senneset and published by . This book was released on 1988 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers on climate change and geothermal regime, regional permafrost, physics and chemistry of frozen ground, frost heave mechanism, periglacial phenomena, geocryology, site investigations, subsea permafrost, geotechnical engineering and pipeline construction.
Book Synopsis A Case Study of Potential Causes of Frost Heave by : Karen S. Henry
Download or read book A Case Study of Potential Causes of Frost Heave written by Karen S. Henry and published by . This book was released on 1990 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: Frost action beneath pavements can lead to several problems, including thaw weakening, which causes cracking and subsequent pumping of fine soil particles onto the surface, as well as hazardous conditions caused by differential heaving. This study examined data and frost-susceptible soil collected during the winter of 1985-86 at Ravalli County Airport, Hamilton, Montana, to determine potential causes of frost heave. Variables analyzed were depth to water table, depth of frost penetration, maximum frost heave and soil moisture tension and soil temperature with depth. Analysis of the field data revealed the possibility that hydraulic conductivity of subgrade soils and rates of heat loss in the soil may be limiting frost heave rates. Soil density and depth to water table may also be factors affecting amounts of frost heave. Furthermore, the base course 'gravel' used at the airport contained considerable amounts of fines and did heave somewhat in laboratory tests. Recommendations for design changes to reduce frost heave at Ravalli County Airport were made. Keywords: Airport pavements; Field studies; Geotextiles; Pavement drainage. (edc).
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1991 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Canadian Geotechnical Journal by : National Research Council Canada
Download or read book Canadian Geotechnical Journal written by National Research Council Canada and published by . This book was released on 2001 with total page 758 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Freezing on the Microstructure of Geotextiles by : KS. Henry
Download or read book Effects of Freezing on the Microstructure of Geotextiles written by KS. Henry and published by . This book was released on 1990 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examination with a scanning electron microscope (SEM) revealed that a single freeze-thaw cycle in distilled water did not damage the fibers of a needle-punched or a heat-bonded geotextile; however, significant soil particle contamination occurred in the needle-punched fabric after being frozen in soil in laboratory tests. (The heat-bonded fabric was not tested in this manner.) The presence of soil particles both in fabric pores and on fabric fibers suggests that the fabric's ability to reduce frost heave is degraded. Laboratory frost heaving tests showed that a fabric's ability to mitigate frost heave decreased after having been exposed to vertical water flow in soil prior to freezing. The flow is thought to have introduced soil fines into the fabric, but this idea was not confirmed by inspection before freezing. A pumping test conducted with soil in a triaxial cell, designed to simulate stresses on a pavement subgrade during thawing, did not noticeably contaminate the needle-punched fabric tested. Furthermore, fabrics subjected to the triaxial cell pumping performed as well as new fabrics in mitigating frost heave in laboratory soil freezing tests. Whether the triaxial cell pumping test and/or the vertical water flow procedures simulate field conditions has yet to be determined.
Book Synopsis Experimental and Theoretical Studies of the Mechanism of Frost Heaving by : Bruce Chalmers
Download or read book Experimental and Theoretical Studies of the Mechanism of Frost Heaving written by Bruce Chalmers and published by . This book was released on 1970 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
