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1. Initial state
1.1 Definition
In its initial state, before undergoing displacement, the soil has a configuration that reflects its geological history.
This phase is referred to as "resting earth thrust", meaning that there is no horizontal ground movement. The relationship between the effective horizontal stress and the effective vertical stress is established by the resting earth coefficient, denoted .
This gives the relationship :
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Initial state
Mobilization of thrust and stop balances
Bibliography
Standards and norms
- Geotechnical calculations – Retaining structures – Screens - NF P94-282 - Mars 2009
- Justification of geotechnical structures – Eurocode 7 national application standards – Surface foundations - NF P94-261 - Juin 2013
- Eurocode 7: geotechnical design – Part 1: General rules - NF EN 1997-1/A1 - Avril 2014
- Geotechnical calculations – Retaining structures – Reinforced earthworks and nailed soil - NF...
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