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The Measurement Of Pore Water Pressure Deficiency And A Study Of Its Effects On The Shear Strength Of Soils
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Book Synopsis The Measurement of Pore Water Pressure Deficiency and a Study of Its Effects on the Shear Strength of Soils by : Roland Wynne Lewis
Download or read book The Measurement of Pore Water Pressure Deficiency and a Study of Its Effects on the Shear Strength of Soils written by Roland Wynne Lewis and published by . This book was released on 1965 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Measurement of Pore Water Pressure Deficiency and a Study of Its Effects on the Shear Strengths of Soils by : R. W. Lewis
Download or read book The Measurement of Pore Water Pressure Deficiency and a Study of Its Effects on the Shear Strengths of Soils written by R. W. Lewis and published by . This book was released on 1965 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis General Research Laboratory Report by :
Download or read book General Research Laboratory Report written by and published by . This book was released on 1975 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Negavitive Pore Pressure of Unsaturated Soil Shear and Pore Pressure Research by : P. C. Knodel
Download or read book Measurement of Negavitive Pore Pressure of Unsaturated Soil Shear and Pore Pressure Research written by P. C. Knodel and published by . This book was released on 1966 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pore Pressure and Suction in Soils by :
Download or read book Pore Pressure and Suction in Soils written by and published by . This book was released on 1961 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Conference on Shear Strength of Cohesive Soils; Sponsored by the Soil Mechanics and Foundations Division, ASCE. [Papers and Reports by :
Download or read book Research Conference on Shear Strength of Cohesive Soils; Sponsored by the Soil Mechanics and Foundations Division, ASCE. [Papers and Reports written by and published by . This book was released on 1961 with total page 1190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pore Pressure and Suction in Soils by :
Download or read book Pore Pressure and Suction in Soils written by and published by . This book was released on 1961 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index to Theses Accepted for Higher Degrees in the Universities of Great Britain and Ireland by :
Download or read book Index to Theses Accepted for Higher Degrees in the Universities of Great Britain and Ireland written by and published by . This book was released on 1966 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Water Resources Technical Publication by : United States. Bureau of Reclamation
Download or read book A Water Resources Technical Publication written by United States. Bureau of Reclamation and published by . This book was released on 1969 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Civil Engineering and Public Works Review by :
Download or read book Civil Engineering and Public Works Review written by and published by . This book was released on 1966 with total page 1208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Civil Engineering written by and published by . This book was released on 1966 with total page 920 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pore Water Pressure Response of a Soil Subjected to Traffic Loading Under Saturated and Unsaturated Conditions by : Carlos Cary
Download or read book Pore Water Pressure Response of a Soil Subjected to Traffic Loading Under Saturated and Unsaturated Conditions written by Carlos Cary and published by . This book was released on 2011 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study presents the results of one of the first attempts to characterize the pore water pressure response of soils subjected to traffic loading under saturated and unsaturated conditions. It is widely known that pore water pressure develops within the soil pores as a response to external stimulus. Also, it has been recognized that the development of pores water pressure contributes to the degradation of the resilient modulus of unbound materials. In the last decades several efforts have been directed to model the effect of air and water pore pressures upon resilient modulus. However, none of them consider dynamic variations in pressures but rather are based on equilibrium values corresponding to initial conditions. The measurement of this response is challenging especially in soils under unsaturated conditions. Models are needed not only to overcome testing limitations but also to understand the dynamic behavior of internal pore pressures that under critical conditions may even lead to failure. A testing program was conducted to characterize the pore water pressure response of a low plasticity fine clayey sand subjected to dynamic loading. The bulk stress, initial matric suction and dwelling time parameters were controlled and their effects were analyzed. The results were used to attempt models capable of predicting the accumulated excess pore pressure at any given time during the traffic loading and unloading phases. Important findings regarding the influence of the controlled variables challenge common beliefs. The accumulated excess pore water pressure was found to be higher for unsaturated soil specimens than for saturated soil specimens. The maximum pore water pressure always increased when the high bulk stress level was applied. Higher dwelling time was found to decelerate the accumulation of pore water pressure. In addition, it was found that the higher the dwelling time, the lower the maximum pore water pressure. It was concluded that upon further research, the proposed models may become a powerful tool not only to overcome testing limitations but also to enhance current design practices and to prevent soil failure due to excessive development of pore water pressure.
Book Synopsis Proceedings of the Symposium on Strength and Deformation Behaviour of Soils, Bangalore, 25-27 February 1972 by :
Download or read book Proceedings of the Symposium on Strength and Deformation Behaviour of Soils, Bangalore, 25-27 February 1972 written by and published by . This book was released on 1972 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings written by and published by . This book was released on 1962 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measuring Pore-water Pressures in Partially Frozen Soils by : Mohammadali Kia
Download or read book Measuring Pore-water Pressures in Partially Frozen Soils written by Mohammadali Kia and published by . This book was released on 2014 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Knowledge of pore-water pressure is essential to predict the 'effective stress' that controls the 'resistance and deformation' of a soil and to assess the 'flow' of water through it. Flow of water towards the freezing fringe controls the amount of frost heave in freezing soils. Drainage of this excess water controls subsequent thaw settlements as the frozen soil thaws. Further, the rate of dissipation of pore-water pressures control the thaw-instability in warming permafrost slopes. Not all of the water in a soil is ice at subzero temperatures; therefore, these soils are 'partially frozen'. Hence, the challenges associated with measuring pore-water pressure distribution in freezing, thawing, and frozen soils can all be considered as one category: measuring pore-water pressures within a 'partially frozen soil'. Therefore, measurement of pore-water pressures in partially frozen soils and having methods for estimating the pore-water pressure response to the applied loads are desirable. In this research, first a new instrument was developed to accurately conduct these measurements. Then, the measured pore-water pressures were used to study stress transmission within a partially frozen soil under applied loads, as well as under warming conditions. It was shown that if a sufficient amount of unfrozen water exists in a soil at subfreezing temperatures, it provides a continuous liquid phase that transfers pressures independent from the solid phase. Therefore, effective stress material properties and analysis should be used to evaluate the resistance and deformation of these partially frozen soils. This is of practical significance in analyzing stability and in modeling constitutive behavior of soil masses in warm and warming permafrost, especially for assessing geohazards associated with climate change. It is also of practical significance in analyzing and designing foundations, retaining structures, underground facilities, and frozen-core dams in cold regions. For the first time, measurements of Skempton's B-bar coefficient in a partially frozen soil at various initial void ratios were presented and compared to that of the unfrozen soil. Thus, by assuming superposition, stress distribution between the soil matrix, pore-ice, and pore-water was evaluated. Further, decrease in load bearing of the ice matrix with increasing temperature was evaluated via measuring pore-water pressure distribution within a partially frozen soil during undrained warming. It was also found that in both the partially frozen and unfrozen states, the pore-water pressure response of overconsolidated sand is bilinear with a well-defined inflection point. Further, it was shown that the change in effective stress under undrained loading is not zero in overconsolidated sand specimens; hence, frictional resistance is not zero under undrained loading due to the stiffer solid phase.
Book Synopsis Soil as an Engineering Material by : Wesley G. Holtz
Download or read book Soil as an Engineering Material written by Wesley G. Holtz and published by . This book was released on 1969 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1989 with total page 1296 pages. Available in PDF, EPUB and Kindle. Book excerpt: