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Dab tsi yog qhov sib tsoo attenuators puv nrog?

Cov txheej txheem:

Dab tsi yog qhov sib tsoo attenuators puv nrog?
Dab tsi yog qhov sib tsoo attenuators puv nrog?

Video: Dab tsi yog qhov sib tsoo attenuators puv nrog?

Video: Dab tsi yog qhov sib tsoo attenuators puv nrog?
Video: Me koj txiv ntshe yog txoj hmoo 9/17/2017 2024, Tej zaum
Anonim

Lub tsheb-mounted attenuator, zoo li lub attenuator ruaj, yog tsim los coj cov kev cuam tshuam thiab crumples ua ke vim nws absorbs lub zog ntawm lub tsheb. … Zoo li lawv lub npe txhais tau hais tias, cov xuab zeb sib tsoo cushions tau ntim nrog sand, zoo li lub thoob thiab ua haujlwm los muab "lub ncoo" yog tias lub tsheb yuav tsoo rau ib qho.

Dab tsi yog qhov sib tsoo attenuators ua los ntawm?

Cov khoom siv TrafFix "Big Sandy" yog Impact Attenuator Sand Barrel uas yog tsim los ntawm UV stabilized high density polyethylene. Lub Big Sandy xuab zeb chim yog MASH kuaj, dhau thiab tsim nyog thiab ua tau raws li qhov kev sib tsoo tsim nyog ntawm NCHRP 350.

Dab tsi yog cov khoom sib tsoo puv nrog?

Ntau zaus, lub thoob lub thoob attenuators puv nrog sand, tab sis tsis ua kua. Thaum lub thoob ntim nrog xuab zeb, nws yog ib qho ua ke ntawm xuab zeb thiab ntsev. Cov ntsev khaws cov dej noo hauv cov xuab zeb kom tsis txhob khov. Qhov tseeb txaus siab, thawj tus attenuator nyob rau hauv kab ntawm ob peb ntawm lawv NW nyuam qhuav sau.

Lub tshuab hluav taws xob sib tsoo ua haujlwm li cas?

Kev ua haujlwm. Impact attenuators yog tsim los nqus lub tsheb sib tsoo lub zog kinetic kom coj nws mus rau qhov chaw nres tsheb yam tsis muaj kev cuam tshuamYog tias tsis muaj qhov cuam tshuam attenuator tam sim no, lub tsheb uas tsoo cov khoom sib tsoo ntawm txoj kev yuav nres tam sim ntawd. … Momentum pauv mus rau cov xuab zeb lossis dej, txo qhov ceev ntawm lub tsheb uas cuam tshuam.

Yuav ua li cas lub tshuab hluav taws xob sib tsoo kom peb nyab xeeb?

Los ntawm thaiv thiab nqus qhov cuam tshuam ntawm lub tsheb yuam kev, lub tsheb sib tsoo lub tsheb tiv thaiv cov neeg ua haujlwm nrog rau tus tsav tsheb. Nyob rau hauv rooj plaub ntawm lub tsheb sib tsoo nrog lub attenuator mounted ntawm lub tsheb, qhov kev sib tsoo yuav ua rau G-force tseem ceeb.

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