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<div style="margin:0px">Dear NHERI GSC Members,</div>
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<div style="margin:0px">Please see the following opportunity below:</div>
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<div style="margin:0px"><span style="margin:0px"><span style="font-family:Calibri, Helvetica, Arial, sans-serif;margin:0px;color:black">TECHNICAL COMMITTEE ON<span class="Apple-converted-space"> </span></span></span>
<div style="margin:0px"><span style="font-family:Calibri, Helvetica, Arial, sans-serif;margin:0px;color:black">BARRIER SYSTEMS (TC-B)</span></div>
<div style="margin:0px"><span style="font-family:Calibri, Helvetica, Arial, sans-serif;font-size:20px;margin:0px;color:rgb(0, 126, 184)">Live Webinar</span></div>
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<div style="margin:0px"><span style="font-family:Calibri, Helvetica, Arial, sans-serif;font-size:24px;font-weight:bold;margin:0px;color:black;text-decoration:underline">About the webinar:</span></div>
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<div align="justify" style="margin:0px;text-align:justify"><span style="font-family:"Segoe UI", "Lucida Grande", Tahoma, sans-serif;font-size:13px;margin:0px;color:rgb(33, 33, 33)">Stress cracking resistance is a major topic for HDPE geomembranes. For three
decades the single point NCTL test is the method of choice to distinguish between stress cracking resistant products and products sensitive to stress cracking. The failure times increased over the years as the products showed also better performance due to
new formulations. Nowadays the testing times increased to several weeks or even months and on the other side the wetting agent is forbidden to be used – at least in Europe, because IGEPAL CO-630 has been identified as Substance of Very High Concern (SVHC).
A new method EN 17096 was developed by CEN TC189 to determine the resistance against slow crack growth by a tensile test performed at 80°C. The slope of such a tensile curve above its natural draw ratio (e.g. strain hardening modulus) correlates with the measured
failure times determined by SP-NCTL tests. Very good correlation between strain hardening modulus and failure times in single-point NCTL tests were found. This webinar goes through the background of EN 17096 and discuss the test method and the details.</span></div>
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<div style="margin:0px"><span style="font-family:Calibri, Helvetica, Arial, sans-serif;font-size:24px;font-weight:bold;margin:0px;color:black;text-decoration:underline">About the speaker: </span></div>
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<div align="justify" style="margin:0px;text-align:justify"><span style="font-family:Calibri, Helvetica, Arial, sans-serif;margin:0px;color:black"></span><span style="font-family:"Segoe UI", "Lucida Grande", Tahoma, sans-serif;font-size:13px;margin:0px;color:rgb(33, 33, 33)">Helmut
Zanzinger is a geotechnical engineer. He has been active in the field of geoenvironmental and geosynthetics testing for more than 30 years. His activities over the years include development of new testing devices and new test methods, third party quality assurance
on landfill lining systems and manufacturing auditing for CE certification worldwide. He currently serves the position as the Head of the Inspection Body of SKZ an independent third party geosynthetics testing and research company in Germany. Since 2020 Mr.
Zanzinger is a Council member of the International Geosynthetics Society. He serves as expert at several German and International committees like DGGT, BAM, DIBt, FGSV and the Group of European Notified Bodies for CE marking of geosynthetics. Much of his career
he has dedicated to the standardization of geosynthetic measurements serving as active member of DIN, CEN and ISO committees on geosynthetics. He has received several awards including the Beuth Memorial Coin by DIN.</span></div>
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<div align="left" style="margin:0px;text-align:left"><span style="font-size:16px;margin:0px;color:black">Time zone 1:<span class="Apple-converted-space"> </span></span></div>
<div align="left" style="margin:0px;text-align:left"><span style="font-size:14px;font-weight:normal;margin:0px;color:black">August 17, 2022 3:00 PM CEST/ 8:00 AM CDT/ 1:00 PM UTC/ 11:00 PM AEST</span></div>
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<div align="left" style="margin:0px;text-align:left"><span style="font-size:16px;margin:0px;color:black">Time zone 2 - repeat session:</span></div>
<div align="left" style="margin:0px;text-align:left"><span style="font-size:14px;font-weight:normal;margin:0px;color:black">23 August 12:00 PM AEST/ 4:00 AM CEST/ 2:00 AM UTC/ August 22, 9:00pm CDT<span class="Apple-converted-space"> </span></span><a href="https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fr20.rs6.net%2Ftn.jsp%3Ff%3D0013mVXQOL1PR9_MuUBp6gVawTHXp3j1IhqyVfxDBTBRZprASP17m4jWjPzwT05UADvAmammG0cG-C97HR5tGp_vh1WWxnIZZFOLs72_J_dy5qtOp8g1OGtCRKnVCATzywnDiyGXXh--Wp7G6qY2UXj4eNBXb8XvUHPr6ewfBlugnwfE2RhLVuFTkRq25ACdh5s3TlVz60rUr4%3D%26c%3DqE-qqzL4EzqMU-9RRLhfogvGnH8zr7wETA5aiU0Q6ccOlCsMe-82OQ%3D%3D%26ch%3DXhNi58f5fFRLTiL4bh3Tb9EK2eI_2MzmBq6mfminjEyVrt6BlLPbUA%3D%3D&data=05%7C01%7Crobin.nelson%40utsa.edu%7Cd5baaa628e634b6e0ce508da7c5b0659%7C3a228dfbc64744cb88357b20617fc906%7C0%7C0%7C637959027670494066%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=Kye9XcziJHw11yNwycOVL7eWDPCId2hlvgVqhIBf5%2Fg%3D&reserved=0" target="_blank" rel="noopener noreferrer" data-auth="VerificationFailed" originalsrc="https://r20.rs6.net/tn.jsp?f=0013mVXQOL1PR9_MuUBp6gVawTHXp3j1IhqyVfxDBTBRZprASP17m4jWjPzwT05UADvAmammG0cG-C97HR5tGp_vh1WWxnIZZFOLs72_J_dy5qtOp8g1OGtCRKnVCATzywnDiyGXXh--Wp7G6qY2UXj4eNBXb8XvUHPr6ewfBlugnwfE2RhLVuFTkRq25ACdh5s3TlVz60rUr4=&c=qE-qqzL4EzqMU-9RRLhfogvGnH8zr7wETA5aiU0Q6ccOlCsMe-82OQ==&ch=XhNi58f5fFRLTiL4bh3Tb9EK2eI_2MzmBq6mfminjEyVrt6BlLPbUA==" shash="iDiKY6EXNI9dWTTgigO2tcmLbsRrWzvP8ENHO4kgKuoS/+FH5wxzXNnptUNWpFZshc258/iezSGdXIpVzJ9Lagk5MPD71vA4FQmHzzz/IFGKTkGl7d8HP3pjtYU/rYht+f8fjOWkeNvFIg05HxrNf9fh2U9qiqzEsS+pr+EuLB8=" title="" data-linkindex="3" style="font-family:Calibri, Helvetica, Arial, sans-serif;font-size:15px;margin:0px;color:rgb(22, 77, 255);text-decoration:underline">https://us06web.zoom.us/webinar/register/WN_Pt8l2xEqSZSQtPfcklgpHw</a></div>
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