2.2.2 mpingerea lateral a pmntului

mpingerea pamantului n timpul executarii excavatiei si a lucrarilor de infrastructur ct i n timpul exploatrii n conditii normale a fost determinata pe baza impingerii pmntului n stare de repaus i a mpingerii determinate de apa subteran.

Valorile impingerii laterale a pamantului sunt prezentate in calculul de mai jos, iar diagramele impingerii laterale sunt prezentate in figura 1.

Pentru calculul mpingerii laterale a pmntului, vom considera urmtoarea stratificaie de calcul:

STRATUL I .................................. Umplutur

STRATUL I..................................Praf Argilos, SUBMERS

STRATUL II .............................Nisip fin, mediu

STRATUL III .............................Nisip fin, mediu

STRATUL IV ..............................Argil prfoas

STRATUL V ................................Nisip fin

Strat

Umplutur20180

Praf Argilos191530

Nisip fin, mediu19.5 / 10280

Argil prfoas201535

Nisip fin20.0 / 10300

Observaie: Pentru calculele efectuate dup nivelul apei subterane, se adaug i mpingerea apei =

STAREA ACTIV

STRAT I

STRAT II

STRAT III

kN/m2

kN/m2

STRAT IV

STRAT V

kN/m2

kN/m2

STRAT VI

DIAGRAMA DE CALCUL:

STAREA PASIV

STRAT I

STRAT II

STRAT III

kN/m2

kN/m2STRAT IV

STRAT V

kN/m2

kN/m2

STRAT VI

DIAGRAMA DE CALCUL:

STAREA DE REPAOSSTRAT I-necoeziv

STRAT II-coeziv

STRAT III-necoeziv

kN/m2

kN/m2STRAT IV-coeziv

STRAT V-necoeziv

kN/m2

kN/m2STRAT VI-coeziv

DIAGRAMA DE CALCUL:

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