1.0Ingeoexpert ENhttps://ingeoexpert.com/enIngeoexperthttps://ingeoexpert.com/en/author/expert/rich600338<blockquote class="wp-embedded-content" data-secret="mUAriG5vqb"><a href="https://ingeoexpert.com/en/profesor/professor-ian-smith/">Ian Smith</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://ingeoexpert.com/en/profesor/professor-ian-smith/embed/#?secret=mUAriG5vqb" width="600" height="338" title="“Ian Smith” — Ingeoexpert EN" data-secret="mUAriG5vqb" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://ingeoexpert.com/en/wp-includes/js/wp-embed.min.js </script> https://ingeoexpert.com/en/wp-content/uploads/sites/2/2020/11/Prof-Ian-Smith-scaled.jpg19232560Professor Ian Smith is a freelance geotechnical and educational consultant with over 25 years experience teaching geotechnical engineering. Based in the UK, he is internationally recognised and has taught at universities across Europe and in China, Myanmar, Hong Kong and Qatar. He is the author of the leading textbook, Smith’s Elements of Soil Mechanics – now in its […]