SAMARQAND SHAHRI AVTOTRANSPORT SHOVQIN DARAJASINING EKOLOGIK TAHLILI
Keywords:
Kalit so‘zlar: avtotransport shovqini, ekvivalent shovqin darajasi (Leq), maksimal shovqin (Max), yengil va og‘ir avtomobillar, Samarqand, akustik ifloslanish.Abstract
ANNOTATSIYA
Ushbu tadqiqotda Samarqand shahrining 11 ta asosiy nuqtasida (Universitet
xiyoboni, Registon maydoni, Rudakiy ko‘chasi, Mirzo Ulug‘bek ko‘chasi va
boshqalar) avtotransport vositalarining soni (yengil va og‘ir) va ular hosil qilgan
shovqin darajasi (Max dBA va Leq dBA) uch marta takroriy o‘lchash asosida
baholandi.
Natijalarga ko‘ra, eng yuqori shovqin darajasi Rudakiy ko‘chasi (Siyob
bozori) da qayd etilgan – Max 88,0 dBA va Leq 74,8 dBA. Bu hududda og‘ir transport
vositalarining soni 34 tagacha, yengil avtomobillar esa 308 tagacha yetgan. Mirzo
Ulug‘bek ko‘chasi (GUM) da ham yuqori ko‘rsatkichlar kuzatilgan: Max 87,1 dBA
va Leq 72,0 dBA. Eng past shovqin darajasi Bo‘stonsaroy ko‘chasi (Max 67,8 dBA)
va Registon maydoni oldida (Leq 61,0 dBA) aniqlandi.
Og‘ir transport vositalarining soni bilan ekvivalent shovqin darajasi (Leq)
o‘rtasida to‘g‘ri korrelyatsiya kuzatildi. Rudakiy ko‘chasi va Mirzo Ulug‘bek ko‘chasi
akustik ifloslanish jihatidan eng xavfli hududlar sifatida belgilandi. Tadqiqot natijalari
shahar transport oqimini optimallashtirish va shovqinni kamaytirish choralarini ishlab
chiqish uchun asos bo‘lib xizmat qiladi.
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