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7. Settlement of surface foundations
In most cases, the absolute and differential settlements and rotations of a surface foundation must be verified using quasi-permanent ELS.
This check can be performed using several methods:
pressuremeter method based on Ménard pressuremeter tests, generally used for rigid footings (see appendix H of standard NF P94-261);
penetrometric method based on the use of the CPT generally applied to rigid footings (cf. appendix I of standard NF P94-261). Several other methods based on the CPT penetrometer exist worldwide;
slice method using odometric characteristics and applied to all footings (cf. appendix J of standard NF P94-261). It should be noted that this method is also used in conjunction with other laboratory and in-situ tests to obtain moduli correlating...
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Settlement of surface foundations
Surface foundation structure
Bibliography
Standards and norms
- AFNOR Eurocode 7: Geotechnical design – Part 1: General rules. - NF EN 1997-1 - juin 2005
- AFNOR Eurocode 7: Geotechnical design – Part 2: Site reconnaissance and testing. - NF EN 1997-2 - septembre 2007
- AFNOR Justification of geotechnical works – Eurocode 7 national application standard – Surface foundations. - NF P 94-261 - juin 2013
- AFNOR Justification of geotechnical works – Eurocode 7 national...
Regulations
Décret n° 2010-1254 du 22 octobre 2010 relatif à la prévention du risque sismique NOR : DEVP0910497D.
Décret n° 2010-1255 du 22 octobre 2010 portant délimitation des zones de sismicité du territoire français NOR : DEVP0823374D.
Arrêté du 22 octobre 2010 relatif à la classification et aux règles de construction parasismique applicables aux bâtiments de la classe dite " à risque...
Websites
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CFBR – French Committee for Dams and Reservoirs
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CFBG – French Committee for Large Dams
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