Laserfiche WebLink
to 5 rence, Salt Lake City,December 2001 8 <br /> 24okP8 After 12 years in service measurements show only <br /> small deformations 6 cm(1,3%of the EPS <br /> acm �1ao�a height)in the EPS embankment.Most of the <br /> EPS s <br /> 6,2crr4 deformation occurred during the construction <br /> o=tookPa period and only minor creep effects have been <br /> s.7om measured.Creep deformations as an average and <br /> -------------------------- --- --wnd -- creep deformations for the lowest EPS layer(6,5 <br /> Gravel/sand %of the layer thickness)are shown in fig. 13 for a <br /> day period of 10 years. <br /> Figure 12.Deformations in EPS embankment at Lokkeberg. Observed deformations after 10 years in <br /> operation are plotted in fig. 14 together with data <br /> Time from the laboratory test and theoretical values <br /> according to Magnan&Serratrice calculated for <br /> 1989 1991 1993 1995 1997 1999 various stress levels <br /> 0 <br /> The figure clearly shows that the average <br /> 5 deformation at the Lokkeberg bridge is small and <br /> 10 —TOS somme1t slightly over 1 %of the total fill height.Also <br /> ,a --U-.seW in ciay observed creep effects are almost negligible for <br /> M 15 Ddwmfflm M 4,5 m� the total fill although deformations in the bottom <br /> block layer was 4%initially and later creep <br /> 20 -°�"`�°""' eas�' effects amount to further 2.5%.Creep - <br /> deformations in the bottom layer correspond with <br /> v, 25 the theoretical values the first 5 years but has later <br /> 30 <br /> slowed down to almost zero. <br /> Two similar structures, a 3 span bridge at <br /> Yy7 '' t 1a AT? - ff �,'"' _, frit <br /> Hjelmungen and a 3 span pedestrian bridge <br /> �� �r has been built in 1994 and 1995 with <br /> Fi � � uqq <br /> "'� abutments founded on EPS fills. <br /> gam ,rWOW <br /> � Observations from these bridges <br /> Y 2. <br /> ', x correspond with the measurements at <br /> 0_55 � s + gg Lokkeberg and shows that this can be a <br /> j promising method for supporting bridge <br /> � � abutments. <br /> r <br /> �Wk A, <br /> ,.0 <br /> z <br /> 3 <br /> 00, <br /> !� <br /> re � <br /> x � <br /> ...3x3 ��' Y <br /> " RA <br /> r 3� <br /> r � F <br /> WF` y X51 = af3yIi` Y <br /> y #� 3 Awl, <br /> � ' <br /> a din_ <br /> Figure 14.Creep deformations in EPS. <br /> Long term performance and durability of EPS as a lightweight filling material <br />