Download or read book Shear Stress Measurements in Situ of Soils Subjected to Vibratory Loads written by Rudolf Karl Bernhard and published by . This book was released on 1963 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Direct measurements of shear and normal stresses were made, the compatibility of the resulting shear stress distribution and the corresponding normal stress pattern was studied, and the experimental findings were correlated with the existing theories for biaxial systems. A miniaturized shear cell was employed and the results of measurements in situ with this shear cell are compared with those of pressure cells. Vibratory (sinusoidal) loads were generated by a mechanical oscillator on the soil surface and transmitted to both types of cells buried beneath the oscillator. A predominantly homogeneous and noncohesive soil (dry beach sand) was used, so that the theory for biaxial stress distribution could be applied as a first approximation in the analysis. The standard deviation of the experimentally obtained shear stress vectors from values computed for a biaxial system did not exceed 4.75%, and for normal stresses it did not exceed 5.22%. (Author).

Download or read book Shear Stress Measurements Iin Situ of Soils Subjected to Vibratory Loads written by Rudolf Karl Bernhard and published by . This book was released on 1963 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Biaxial Stress Fields in Noncohesive Soils Subjected to Vibratory Loads written by R. K. Bernhard and published by . This book was released on 1962 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Normal stress measurements in situ for noncohesive soils subjected to vibratory loads are described. A discussion on instrumentation and measuring technique follows. Biaxial stress fields could be plotted for the soil investigated by averaging readings from pressure cell records. Results of the experiments are compared with the elastic stress theory indicating a standard deviation of approximately 5.2 per cent.

Download or read book An Investigation of the Effects of Dynamic Loads on the Shear Strength of Soils written by George Willis Barnes and published by . This book was released on 1965 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soils supporting the foundations of structures subjected to vibrating loads often exhibit strength and elastic properties which are considerably different from the properties of the same soil under static conditions. The purpose of this investigation was to develop an apparatus which could be used for laboratory investigations of the effects of dynamic stress conditions on the shear strength of a soil. An attempt was also made to determine the effects of static shear stresses, confining pressure, and the amplitude of vibration on the velocity of stress wave propagation in a soil sample.

Download or read book A Direct Shear Apparatus With Vibrational Loading written by Karén A. Taslagyan and published by . This book was released on 2014 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: For some geotechnical design projects where soils are exposed to dynamic loads (vibrations), it becomes necessary to evaluate the strength and deformation characteristics of the soil under existing and/or anticipated vibrations. In order to investigate the effect of the vibrations on the strength and deformation properties of soils, representative samples should be collected and tested in laboratories and subjected to vibration of expected magnitudes. In this case, it is important that the laboratory equipment used is able to simulate field conditions as close as possible to provide the necessary parameters that can successfully be used in the design. A vibrational direct shear apparatus has been developed based on the conventional direct shear apparatus to evaluate the strength and deformation characteristics of soils (granular and cohesive) under a wide range of vibrational accelerations and frequencies. The apparatus makes it possible to test soils in both stress and displacement controlled modes. The design of the apparatus is such that it allows modification of the most commonly used direct shear apparatuses into the vibrational ones. The new apparatus was built and tested to prove its performance and reliability.

Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1961 with total page 1274 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1970 with total page 772 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Monthly Catalog of United States Government Publications Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1979 with total page 1250 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book USA CRREL Technical Publications written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1972 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Special Report Corps of Engineers U S Army Cold Regions Research and Engineering Laboratory written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1972 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book SIPRE Report written by and published by . This book was released on with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Bibliography on Soil Dynamics written by Rudolf Karl Bernhard and published by . This book was released on 1969 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: 532 BOOKS, PAPERS, BIBLIOGRAPHIES AND SYMPOSIUM PROCEEDINGS CONCERNING SOIL DYNAMICS ARE LISTED, EACH WITH AN ACCOMPANYING ANNOTATION DESCRIBING ITS CONTENTS. The items listed were published from 1961 to 1965. (Author).

Download or read book Experimental Mechanics written by and published by . This book was released on 1963 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 1572 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Symposium on Soil Dynamics written by and published by ASTM International. This book was released on 1962 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book ASTM Special Technical Publication written by and published by . This book was released on 1962 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book U S Government Research Reports written by and published by . This book was released on 1964 with total page 2180 pages. Available in PDF, EPUB and Kindle. Book excerpt: