Conference paper Open Access

Guidelines and codes for liquefaction mitigation by ground improvement

Giuseppe Modoni; Paolo Croce; Roberta Proia; Rose Line Spacagna


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    <subfield code="a">Liquefaction</subfield>
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    <subfield code="a">Assessment and mitigation of liquefaction potential across Europe: a holistic approach to protect structures / infrastructures for improved resilience to earthquake-induced liquefaction disasters</subfield>
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    <subfield code="a">&lt;p&gt;Ground improvement has become one of the most effective tools of geotechnical engineering, being&lt;br&gt;
adopted for an always larger variety of civil engineering applications. To reduce the role of&lt;br&gt;
subjective choices of operators, the use of different techniques tends to be codified by specific&lt;br&gt;
guidelines. In the European Union there is an ongoing effort to standardize execution and design&lt;br&gt;
within codes continuously reviewed by designated committees. A widespread and systematic&lt;br&gt;
standardisation on the ground improvement as a mean to mitigate the effects of liquefaction on&lt;br&gt;
buildings and infrastructures is missing. The paper presents and overview of traditional and new&lt;br&gt;
ground improvement technologies suitable for this application. The methods are firstly classified by&lt;br&gt;
considering their effects on the ground (e.g. densification, stabilization, drainage, desaturation,&lt;br&gt;
etc.). Design principles are then outlined for new or pre-existing buildings and infrastructures,&lt;br&gt;
considering the ongoing review process of the design Eurocodes.&lt;/p&gt;</subfield>
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