{"id":4450,"date":"2021-03-02T10:48:46","date_gmt":"2021-03-02T08:48:57","guid":{"rendered":"http:\/\/150.140.135.22\/wordpress\/?post_type=product&p=4450"},"modified":"2022-06-27T11:50:05","modified_gmt":"2022-06-27T09:50:05","slug":"soil-dynamics-and-seismic-design-of-foundations","status":"publish","type":"product","link":"https:\/\/www.civil.upatras.gr\/index.php\/product\/soil-dynamics-and-seismic-design-of-foundations\/?lang=en","title":{"rendered":"Soil Dynamics and Seismic Design of Foundations"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"
    \n
  1. INTRODUCTION<\/strong><\/li>\n<\/ol>\n

    Definition of dynamic soil loading, types of dynamic soil loadings, special characteristics of dynamic soil loadings, methodology for analyzing and designing geotechnical systems under dynamic loading<\/p>\n

      \n
    1. ELEMENTS OF THEORY OF VIBRATION<\/strong><\/li>\n<\/ol>\n

      Time-dependent motion of soil element, mathematical description, non-periodic, periodic and harmonic motion.\u00a0 Fourier Analysis.\u00a0 The single degree of freedom system, natured frequency, damping, free and forced vibrations.\u00a0 Measurement of vibrations, resonance tests.\u00a0 Two degree of freedom systems, coupled vibrations<\/p>\n

        \n
      1. WAVE PROPAGATION IN SOILS<\/strong><\/li>\n<\/ol>\n

        The wave concept, wave propagation in homogeneous elastic half-space, longitudinal and shear body waves, surface waves (Rayleigh and Love), wave length, natural frequencies and normal modes of vibration of soil systems.\u00a0 Layered half-space, reflection and refraction of waves at soil interfaces, wave propagation in porous soil media, effect of water table.<\/p>\n

          \n
        1. EVALUATION OF DYNAMIC SOIL PROPERTIES<\/strong><\/li>\n<\/ol>\n

          Field methods (Direct wave propagation, wave reflection and refraction methods, surface wave methods-SASW, MASW , Cross-hole method).\u00a0 Laboratory methods (Resonant column method, cyclic triaxial, simple shear and torsional hollow cylinder test methods) Indirect methods (Hardin equation, correlations with NSPT, CPT and shear strength, \u03c4max )<\/p>\n

            \n
          1. DYNAMIC BEHAVIOR OF SOIL ELEMENT<\/strong><\/li>\n<\/ol>\n

            Identification of shear modulus and damping ratio as the most important dynamic soil properties.\u00a0 The effects of: confining stresses, duration of loading, void ratio, amplitude of vibration, number of cycles of loading and loading history on modulus and damping.\u00a0 Analytical models of Hardin-Drnevich and Ramberg-Osgood for describing the stress-strain behavior of soil element.<\/p>\n

              \n
            1. VIBRATIONS OF SHALLOW RIGID FOUNDATIONS<\/strong><\/li>\n<\/ol>\n

              Identification of the six degrees of freedom of a rigid foundation.\u00a0 Evaluation of equivalent spring constants, vertical and horizontal vibrations, coupled horizontal and rocking vibrations, torsional vibrations in homogeneous and layered half-space.<\/p>\n

                \n
              1. ISOLATION AGAINST GROUND VIBRATIONS<\/strong><\/li>\n<\/ol>\n

                Methods for isolation of man-made ground vibrations.\u00a0 Use of soil trenches, pile-rows and wave impedance (WIB) techniques.\u00a0 Active and passive isolation.\u00a0 Isolation efficiency<\/p>\n

                  \n
                1. FAILURE CRITERIA <\/strong><\/li>\n<\/ol>\n

                  Review of available failure criteria and permissible values of vibration (displacement, velocity, acceleration) for different categories of structures and processes.<\/p>\n","protected":false},"featured_media":5977,"template":"","meta":[],"product_brand":[],"product_cat":[518,530,524],"product_tag":[],"class_list":["post-4450","product","type-product","status-publish","has-post-thumbnail","product_cat-postgraduate-en","product_cat-resilient-materials-structures-and-geotechnical-infrastructures","product_cat-winter","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.civil.upatras.gr\/index.php\/wp-json\/wp\/v2\/product\/4450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.civil.upatras.gr\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.civil.upatras.gr\/index.php\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.civil.upatras.gr\/index.php\/wp-json\/wp\/v2\/media\/5977"}],"wp:attachment":[{"href":"https:\/\/www.civil.upatras.gr\/index.php\/wp-json\/wp\/v2\/media?parent=4450"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.civil.upatras.gr\/index.php\/wp-json\/wp\/v2\/product_brand?post=4450"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.civil.upatras.gr\/index.php\/wp-json\/wp\/v2\/product_cat?post=4450"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.civil.upatras.gr\/index.php\/wp-json\/wp\/v2\/product_tag?post=4450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}