Maitiro eFRP Inosimudza Pole Vaulting kuenda kuNew Heights

Iyo fizikisi kuseri kwechiitiko che pole vault inosanganisira kupindirana kwakaoma kwemumhanyi simba uye pole recoil. Sezvo jumper inomhanya ichidzika nerumhanyi rwekumhanya kwazvo, dzinodyara danda rinochinjika mubhokisi, richinangisazve kuchinjika velocity kumusoro apo danda rinokotama. Kutora nguva iyi "kusimuka" nenzira kwayo kwakakosha - kare kare, uye danda harizopi kusimudza kwakakwana; kunonoka, uye yakachengetwa elastic simba rinoparara pane kufungidzira mutambi mudenga.

Sezvo mainjiniya anoyedza kutyora zvipingamupinyi zvekushanda, vanonyura zvakadzika muzvinhu zvinogoneka senge kuoma kwepango, kudzoreredza nguva, uye kudzoka kwesimba. Kudyidzana pakati pehunyanzvi hwemumhanyi negiya ravo kunopa dambudziko reinjiniya rinonakidza. Tsvagiridzo yakadzama yesainzi uye kuyedzwa kunoenda mukugadzirisa matanda ekusvetuka epamusoro kuendesa simba nemazvo sezvinobvira.

Mainjiniya anoyedza kuwana chiyero chakakodzera chesimba, kuchinjika, kusimba, uye kureruka kwezvinhu zvemapango. Fiberglass reinforced plastic (FRP) mukwikwidzi akanakisa, achizadzisa izvi zvinodiwa nemazvo. Iyi composite inosanganisa girazi fiber yekusimba uye kuomarara nepurasitiki polymer matrix, inounza shanduko. Mhedzisiro yacho chinhu chakasimba asi chakasimba chakaibva kuti chiwedzere kukwenenzverwa.

FRP inopa akanyanya kusimba-ku-huremu zviyero pane zvakamboitika sehuni, bamboo, uye yekutanga fiberglass akasiyana. Iyo macrostructure girazi tambo inopa simba, nepo epurasitiki polymer matrix inogovera zvakaenzana masimba emutoro pavari. FRP inogona kukotama uye kutambanudza kuchengetedza simba rakakura risati radzoka nekukurumidza zvakaringana kuti simba rakawanda ridzoke.

Kugara kune imwe mukana-FRP matanda anochengetedza kushanda kwakasimba pamusoro pezviuru zvemabhendi ekutenderera. Ivo vanochengeta zvirinani kuchinjika uye kuomarara kwakagadzirirwa kune chaivo vatambi mumakore ekudzidziswa nemakwikwi. Kunatsiridza kuri kuenderera mberi kunosanganisira epamberi epurasitiki resins uye chaiyo faibha orientation.

Iko kugona kuripo kweFRP kuendesa mapango ane kusati kwamboitika musanganiswa wesimba, elasticity, kusimba, uye kureruka. Iyi chiyero inogona kupa ekuchengetedza marangi anoshuvira mainjiniya pamwe chete neyakajairwa kupindura iyo inobvumira elite vaulters kukwira zvakanyanya. Kufambira mberi mune zvesainzi uye nano-engineering yemhando yepamusoro matiriki anoumba ramangwana rinonakidza refiberglass-yakasimbiswa plastiki mu pole vault arena.