Video: Dab tsi yog shear force hauv beam?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Shear quab yuam yog quab yuam hauv nqaj ua yeeb yam perpendicular rau nws qhov ntev (x) axis. Fordesign purposes, cov beam cov muaj peev xwm tiv taus shearforce yog qhov tseem ceeb tshaj nws lub peev xwm los tawm tsam axial quab yuam . Cov shear zog ntawm qhov kawg ntawm qhov nqaj yog sib npaug rau ntsug zog ntawm cov lus txhawb nqa.
Tsis tas li ntawd, dab tsi yog txhais los ntawm shear force?
A quab yuam ua nyob rau hauv ib qho kev taw qhia sib luag rau lub ntsej muag lossis rau ntu ntu ntu ntawm lub cev, piv txwv li kev ntsuas huab cua nyob ntawm xub ntiag ntawm lub dav hlau tis. Shearforces feem ntau ua rau txiav zog. Tsis kam ua li ntawd zog hauv cov kua dej txuas nrog nws qhov viscosity.
Tsis tas li ntawd, dab tsi yog qhov kev siv ntawm shear force diagram? Shear thiab khoov daim duab lub sijhawm yog analyticaltools siv ua ke nrog cov qauv kev txheeb xyuas los pab ua cov qauv tsim los ntawm kev txiav txim siab tus nqi ntawm shearforce thiab khoov lub sijhawm nyob rau hauv ib tug muab point ntawm ib tug structurallement xws li ib tug beam.
Ua raws li qhov xav tau, lub zog shear thiab dabtsi yog khoov lub sijhawm?
Shear quab yuam yog lub internal quab yuam ntawm amember thaum lub quab yuam tsis siv rau ntawm txoj kab. Shearing quab yuam yog quab yuam muab faib los ntawm qhov chaw hla ntu. Khoov lub sijhawm yog quab yuam sim tig tus tswv cuab. Sijhawm yog qhov perpendiculardistance los ntawm quab yuam rau lub axis sib npaug los ntawm quab yuam.
Dab tsi yog qhov zoo shear force?
Lub rooj sib tham ib txwm siv hauv feem ntau engineering thov yog sau daim ntawv zoo shear zog ib qho uas yog lub ntsiab lus raws lub moos raws (nyob ntawm sab laug, thiab nqes mus rau sab xis) zog shear yog rov qab xwb zoo shearforce i.e. nws nyhav thawb sab laug ntawm lub teeb.
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