20.500.12556/RUL-129902 Razvoj orodja za vpetje plezalne vrvi pri nateznem preizkusu in vrednotenje eksperimentalnih rezultatov Development of a tool for fastening a climbing rope in a tensile strength test and evaluation of experimental results Plezalne vrvi se med uporabo obrabljajo, s tem izgubljajo na svoji nosilnosti in posledično skozi čas zagotavljajo vedno slabšo varnost plezalcev. Ker najpogosteje ta obraba po dolžini vrvi ni enakomerna, smo se odločili, da bomo ugotovili, kakšne so razlike med silami pretrga posameznih delov ene plezalne vrvi. Naredili smo preizkuševališče, preko katerega smo lahko vpeli vrv v hidravlični stroj in jo raztegovali do njene porušitve. Sile potrebne za porušitev se po vrvi spreminjajo skladno z vidno obrabljenostjo plašča vrvi, razlike med največjimi in najmanjšimi pa so lahko tudi za faktor velikosti 2. Climbing ropes wear out during use, thus losing their load-bearing capacity and consequently providing ever lower safety for climbers. Since most often this wear is not uniform along the length of the rope, we decided to find out what are the differences between the forces of rupture of individual parts of one climbing rope. We made test parts through which we could insert the rope into the hydraulic machine and stretch it until it collapsed. The forces required for failure vary along the rope in accordance with the visible wear of the rope sheath, and the differences between the largest and smallest can be up to a factor of 2. plezalna vrv natezni preizkus sila pretrga hidravlični stroj preizkuševališče Weibullova porazdelitev climbing rope tensile strength test rupture force hydraulic machine experiment setup Weibull distribution true false false [D. Peterlin] Slovenski jezik Angleški jezik Zaključna naloga 2021-09-09 08:30:49 2021-09-09 08:30:50 2023-12-22 09:44:28 0000-00-00 00:00:00 2021 0 Ljubljana 0 XIII, 33 str., [2] str. pril. 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 1970-01-01 620.172:679.72:621.22(043.2) 233143 82343427 10503.pdf 10503.pdf 1 2C1136A451D5406422DD6B4C8518FF4A b03887687f1599930559b2cd7c3cf443a5d7ac74cd544e8a92736352ca0b86c1 3a8393da-1137-11ec-a523-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=146948 10504.pdf 10504.pdf 1 B80BB99C95A28B1F93D00EB5508EF952 338633a1d86ca94818e0c9cdbd3bb61b168dba59bf54983eb8b5a3c093090e06 3a83e7fd-1137-11ec-a523-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=146949 10505.pdf 10505.pdf 1 EEC7F09A46A658DE024051AE552CB651 d6feaebe1359406942231a782223b600824b7de7cb685d5512afcaed52870b23 3a840fa8-1137-11ec-a523-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=146950 Fakulteta za strojništvo 0 0 0