1.0Ingeoexpert ENhttps://ingeoexpert.com/enIngeoexperthttps://ingeoexpert.com/en/author/expert/rich600338<blockquote class="wp-embedded-content" data-secret="xpXzKcnsFs"><a href="https://ingeoexpert.com/en/profesor/ahmed-khan/">Ahmed Khan</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://ingeoexpert.com/en/profesor/ahmed-khan/embed/#?secret=xpXzKcnsFs" width="600" height="338" title="“Ahmed Khan” — Ingeoexpert EN" data-secret="xpXzKcnsFs" 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/2/2019/07/Ahmed_Khan.jpg431431Ahmed Khan has over 40 years of university teaching, research and professional experience. He taught ground modification and soil improvement and other geotechnical engineering courses including Geology for Engineers, Subsurface Exploration, Geotechnical Engineering, Foundation Engineering, and Dam Design and Construction. He has published numerous research papers, technical reports and a textbook titled Geology for Engineers.