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	<title>tunnel linings &#8211; BIOENGINEER.ORG</title>
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		<title>Century of Data Reveals Weak Spot in Italy&#8217;s Aging Bridges and Tunnels</title>
		<link>https://bioengineer.org/century-of-data-reveals-weak-spot-in-italys-aging-bridges-and-tunnels/</link>
		
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		<pubDate>Thu, 15 Oct 2026 03:49:55 +0000</pubDate>
				<category><![CDATA[Technology]]></category>
		<category><![CDATA[aging infrastructure]]></category>
		<category><![CDATA[bridges]]></category>
		<category><![CDATA[cement chemistry]]></category>
		<category><![CDATA[compressive strength]]></category>
		<category><![CDATA[concrete strength]]></category>
		<category><![CDATA[core testing]]></category>
		<category><![CDATA[infrastructure assessment]]></category>
		<category><![CDATA[Italian motorways]]></category>
		<category><![CDATA[Politecnico di Torino]]></category>
		<category><![CDATA[strength-for-age curves]]></category>
		<category><![CDATA[structural safety]]></category>
		<category><![CDATA[tunnel linings]]></category>
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					<description><![CDATA[By mining over 500,000 historical concrete tests and thousands of cores from Italian motorway bridges and tunnels, researchers have built strength-for-age curves that reveal unexpectedly weak concrete in structures built in the early 1970s.]]></description>
		
		
		
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