Coefficients m1, m2

Load type coefficient m₁ :

-	for service load	0.7
-	for extreme load	1.0

Shaft protection coefficient m₂ :

-	for concreting in a dry shaft or underwater	1.0
-	for concreting with bentonite slurry	0.9
-	for PVC sheet pile protection (thickness over 0.7 mm)	0.7
-	for sheet pile protection and B system mesh	0.5
-	for steel casing tube protection	0.15

Literature:

Masopust, J., Glisnikova, V.: Zakladani staveb Modul M01. 1^st edition, Brno, AN CERM, 2007, 182 p., ISBN 978-80-7204-538-9.

GEO5