Comparison of the Improvement in Liquefaction Safety and Decrease in Settlements for a Severe Earthquake Following Three Soil Improvement Methods in a Sandy Soil in Chimbote, Peru

Leonardo Javier Peñaherrera Suito; Paolo Alejandro Parra Alvarez

doi:10.4028/p-gpi6a6

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 942Comparison of the Improvement in Liquefaction...

Comparison of the Improvement in Liquefaction Safety and Decrease in Settlements for a Severe Earthquake Following Three Soil Improvement Methods in a Sandy Soil in Chimbote, Peru

Abstract:

This research compares the increase in the liquefaction safety factor and the decrease in the settlements produced by liquefaction after applying soil improvement methods that mitigate the soil liquefaction phenomenon. The methods or improvement treatments analyzed are as follows: gravel columns; Rammed Aggregate Pier; and compaction injections. The scenario in which this evaluation was conducted is a sandy soil in the city of Chimbote, Peru, which has all of the necessary characteristics for this phenomenon to occur, namely sandy soil, low relative density, high water table and seismic zone. In addition, there was soil liquefaction in this city in 1970.

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Periodical:

Key Engineering Materials (Volume 942)

Pages:

213-218

DOI:

https://doi.org/10.4028/p-gpi6a6

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Online since:

March 2023

Authors:

Leonardo Javier Peñaherrera Suito*, Paolo Alejandro Parra Alvarez

Keywords:

Chimbote, Compaction Injection, Geotechnics, Granular Soils, Gravel Columns, Liquefaction, Mitigation, Rammed Aggregate Pier, Soil Improvement

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* - Corresponding Author

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