The shoricomings of the traditional design approaches based on the
extreme fiber (in ter111s of si111plc bca111 thellry) direct wi1e stre"e' as the factor
controlling strand restrained bending fatigue perfor111ance. have been resolved. /\
new para.meter has been pn>pll,ed. which largely ovcrcll111es these li111it<itions <q1d
is capable of predicting free-bending fatigue life llf axially preloaded spiral strands
clamped at the end. The model explains so111e experimental observations. which
have found the initial wire fractures at the fixed emb being invariably located at
the so-called neu1ral axis rather than (as might he expected). at the extreme fiber
position. The theory all rihutes ,th.: occurrence of interwire-interlayer fr~ctures to
the fretting f;1tigue phenomenon. and takes interwire friction fully inw account.
The· new model i' found to give very encouraging correlations with available experimental
fatigue data on siunc sti11'tantial spiral strands. The theory abo dem-
011s1rales the possibility of suh~lanli~d ll'dt1rllt111.., in ~111:athc.:d ~pi1:d ~l1a11d free~
hcndin!,'. fitli!,'.uc life in dcq1-w;rtc1 ;rpplk;rtror". Irr tht· pa't. 'uch clfccb were invarfobly
ignored in the de"gn of lllllllring ')'stems in. "1y. deep-water guyed-tower
platfor111 applications. Ry employing practical sim.plifying assumpttons. a similar
parameter for estimating the frcc·hending fatigue life of multistrand ropes. in the
vicinity of end terminations. has alsll been proposed.
%0 Journal Article
%1 raooffreebending
%A Raoof, Mohammed
%D -
%K Bending ESTIMATION Fatigue LIFE
%T FREE-BENDING FATIGUE LIFE ESTIMATION OF
CABLES AT POINTS OF FIXITY
%X The shoricomings of the traditional design approaches based on the
extreme fiber (in ter111s of si111plc bca111 thellry) direct wi1e stre"e' as the factor
controlling strand restrained bending fatigue perfor111ance. have been resolved. /\
new para.meter has been pn>pll,ed. which largely ovcrcll111es these li111it<itions <q1d
is capable of predicting free-bending fatigue life llf axially preloaded spiral strands
clamped at the end. The model explains so111e experimental observations. which
have found the initial wire fractures at the fixed emb being invariably located at
the so-called neu1ral axis rather than (as might he expected). at the extreme fiber
position. The theory all rihutes ,th.: occurrence of interwire-interlayer fr~ctures to
the fretting f;1tigue phenomenon. and takes interwire friction fully inw account.
The· new model i' found to give very encouraging correlations with available experimental
fatigue data on siunc sti11'tantial spiral strands. The theory abo dem-
011s1rales the possibility of suh~lanli~d ll'dt1rllt111.., in ~111:athc.:d ~pi1:d ~l1a11d free~
hcndin!,'. fitli!,'.uc life in dcq1-w;rtc1 ;rpplk;rtror". Irr tht· pa't. 'uch clfccb were invarfobly
ignored in the de"gn of lllllllring ')'stems in. "1y. deep-water guyed-tower
platfor111 applications. Ry employing practical sim.plifying assumpttons. a similar
parameter for estimating the frcc·hending fatigue life of multistrand ropes. in the
vicinity of end terminations. has alsll been proposed.
@article{raooffreebending,
abstract = {The shoricomings of the traditional design approaches based on the
extreme fiber (in ter111s of si111plc bca111 thellry) direct wi1e stre"e' as the factor
controlling strand restrained bending fatigue perfor111ance. have been resolved. /\
new para.meter has been pn>pll,ed. which largely ovcrcll111es these li111it<itions <q1d
is capable of predicting free-bending fatigue life llf axially preloaded spiral strands
clamped at the end. The model explains so111e experimental observations. which
have found the initial wire fractures at the fixed emb being invariably located at
the so-called neu1ral axis rather than (as might he expected). at the extreme fiber
position. The theory all rihutes ,th.: occurrence of interwire-interlayer fr~ctures to
the fretting f;1tigue phenomenon. and takes interwire friction fully inw account.
The· new model i' found to give very encouraging correlations with available experimental
fatigue data on siunc sti11'tantial spiral strands. The theory abo dem-
011s1rales the possibility of suh~lanli~d ll'dt1rllt111.., in ~111:athc.:d ~pi1:d ~l1a11d free~
hcndin!,'. fitli!,'.uc life in dcq1-w;rtc1 ;rpplk;rtror". Irr tht· pa't. 'uch clfccb were invarfobly
ignored in the de"gn of lllllllring ')'stems in. "1y. deep-water guyed-tower
platfor111 applications. Ry employing practical sim.plifying assumpttons. a similar
parameter for estimating the frcc·hending fatigue life of multistrand ropes. in the
vicinity of end terminations. has alsll been proposed.},
added-at = {2021-03-19T17:16:18.000+0100},
author = {Raoof, Mohammed},
biburl = {https://www.bibsonomy.org/bibtex/2a80c2c5bf1a260a568ed3580b04cb3c8/ceps},
interhash = {0c8ed905387afe7b3325d13d8d33fb88},
intrahash = {a80c2c5bf1a260a568ed3580b04cb3c8},
keywords = {Bending ESTIMATION Fatigue LIFE},
timestamp = {2023-12-21T08:43:42.000+0100},
title = {FREE-BENDING FATIGUE LIFE ESTIMATION OF
CABLES AT POINTS OF FIXITY},
year = {-}
}