Cov bollards yog ib qho tseem ceeb ntawm cov qauv vaj tse niaj hnub hauv nroog, muab ntau yam kev nyab xeeb thiab kev ruaj ntseg. Txij li kev tiv thaiv tsheb nkag mus rau thaj chaw taug kev mus rau kev tiv thaiv cov tsev los ntawm kev puas tsuaj tsis tau xav txog, bollards ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj kev nyab xeeb rau pej xeem.
Muaj ntau hom bollards muaj nyob rau hauv kev ua lag luam, txhua tus muaj nws tus kheej cov yam ntxwv thiab cov txiaj ntsig tshwj xeeb. Qee cov hom bollards nrov tshaj plaws suav nrogtsis siv neeg nqa bollards, semi-automatic lifting bollards, cov bollards ruaj khov, thiabcov bollards uas quav tau.
Tsis siv neeg nqa bollardsyog cov bollards uas muaj lub cev muaj zog uas tuaj yeem tsa thiab txo qis los ntawm kev siv lub kaw lus tswj. Cov bollards no feem ntau yog siv rau hauv cov chaw muaj kev ruaj ntseg siab xws li cov tsev tsoomfwv, tshav dav hlau, thiab cov chaw sawv cev. Lawv muab kev thaiv zoo tiv thaiv kev nkag mus tsis raug cai thiab tuaj yeem hloov kho kom ua tau raws li cov kev cai ruaj ntseg tshwj xeeb.
Cov bollards nqa semi-automatic zoo ib yam li cov bollards nqa tsis siv neeg, tab sis lawv xav tau kev pab los ntawm tes kom tsa thiab txo qis. Cov bollards no feem ntau siv rau hauv chaw nres tsheb, thaj chaw taug kev, thiab lwm qhov chaw uas yuav tsum tswj kev nkag mus rau hauv tsheb.
Cov bollards ruaj khov, raws li lub npe qhia, yog cov khoom ruaj khov thiab muab ib qho thaiv mus tas li tiv thaiv kev nkag mus rau hauv tsheb. Lawv feem ntau siv los tiv thaiv cov tsev, cov chaw pej xeem, thiab lwm qhov chaw rhiab heev los ntawm kev puas tsuaj los ntawm kev sib tsoo lossis kev puas tsuaj uas cov tsheb ua.
Cov bollards uas quav tau, ntawm qhov tod tes, lawv yooj yim khoov thiab tuaj yeem yooj yim khoov thaum tsis siv. Cov bollards no feem ntau siv rau hauv thaj chaw uas yuav tsum tau tswj kom nkag mus rau cov neeg taug kev thaum tso cai rau tsheb nkag mus rau kev xa khoom lossis kev pabcuam thaum muaj xwm txheej ceev.
Ntxiv rau plaub hom no, kuj tseem muaj lwm cov bollards tshwj xeeb muaj nyob rau hauv kev ua lag luam, xws li cov bollards tshem tau thiab cov bollards rub tau. Cov bollards tshem tau tuaj yeem tshem tawm thiab rov nruab dua raws li qhov xav tau, thaum cov bollards rub tau tuaj yeem tsa thiab txo qis rau hauv av thaum tsis siv.
Zuag qhia tag nrho, cov bollards yog ib qho tseem ceeb ntawm cov qauv vaj tse niaj hnub hauv nroog thiab muab ntau yam kev nyab xeeb thiab kev ruaj ntseg. Los ntawm kev xaiv hom bollard zoo rau ib daim ntawv thov tshwj xeeb, cov tswv cuab vaj tse thiab cov neeg npaj nroog tuaj yeem ua kom ntseeg tau tias lawv muab kev tiv thaiv tsim nyog tiv thaiv kev nkag tsis raug cai, kev puas tsuaj tsis tau xav txog, thiab lwm yam kev phom sij.
Thovnug pebyog tias koj muaj lus nug txog peb cov khoom.
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Lub sijhawm tshaj tawm: Plaub Hlis-26-2023
