marshrutda ishlovchi transport vositalari ish hisobi

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8-mavzu: marshrutda ishlovchi transport vositalari ish hisobi reja 8.1. bir tomonlama yukli qatnovchi marshrut ish hisobi. 8.2. ikki tomonlama yukli qatnovchi mayatnikli marshrut ish hisobi. 8.3. orqa yo’nalishda qisman yukli qatnovchi marshrut ish hisobi 8.4. xalqasimon marshrut ish hisobi 8.1. bir tomonlama yukli qatnovchi marshrut ish hisobi mayatnikli marshrutda orqaga bo’sh qatnovchi transport vositalarining (14.1-rasm)ish qisobini bajarish uchun quydagilarni ko’rib chiqamiz: 8.1-rasm. orqaga bo’sh qatnaydigan mayatnikli marshrut. yukli masofasi ℓеg=10 km-, nolinchi qatnovlar ℓn1=10 km, ℓ n2=10 km, tashiluvchi yuk 1-sinifga mansub, donali (γst=1 ). yukning umumiy qajmi q=30660 t.tashish man avtomobilida 30 kun davomida quydagi ishlatish ko’rsatkichlar bilan bajariladi: vt=24 km/soat, t o-t= 0,7 soat, ishdagi vaqt tn = 14 soat, аe, lkunva βе larni aniqlash zarur 1.avtomobillarningmarshrutda bo’lish vaqtini topamiz. ayni misolda βm = 0,5 bo’lgani uchun: tm = tn – tо = tn – (ℓn1 + ℓn2)/ vt = 14 – (4+ 8)/ 24 = 13,5 soat …

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ni hisoblashda quydagi birlamchi ko’rsatkichlarni olamiz. 8.2 -rasm. orqaga yuk bilan qatnaydigan mayatnikli marshrut yukli qatnov ℓеg= 10 km, nulinchi qatnovlar ℓn1=ℓn2=4 km, transport vositasining ishda bo’lish vaqti tn= 16 soat, a nuqta dan b nuqtqgacha tashiluvchi yuklar hajmi qаb= 20000t, b nuqtadan а nuqtagacha tashiluvchi yuklar hajmi qbа= 20000t, ikkala tomonga ham tashiluvchi yuklar 1sinifga mansub,yaniy γst= 1,0 teng. tashish muddati 20 kun.ishlovchi avtomobil isuzu (qn= 4t) harakat tezligi 25 km/ soat, har bir yukli qatnovda ortish-tushirishda turish vaqti to-t= 0,6 soat. hisoblash tartibi 1. marshrut ichki yo’ldan foydalanish koeffitsenti βm=1,ekanligini nazarda tutib, avtomobilning marshrutda ishlash vaqtini aniqlaymiz : tm = tn – tо = tn – (ℓn1+ℓn2)/ vt = 16 – ( 4+4)/ 25 =16,68 soat. 2. avtomobilning bir kundagi yukli qatnovlarini hisoblaymiz: zgе = tm* β*vt / ℓеg + βе*vt* to-t = 16,68 * 1,0*25 / 10 + 1,0* 25* 0,6 = 16,68 ~ 16 (qat) qatnovlarni …

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inch sinifda yuk (γab= 1,0) marshrutning teskari yo’nalishidagi bv bo’lganida tashiluvchi yuk lar hajmi qdv= 180000 t bo’lib yuk ko’taruvchanlikdan foydalanish koeffitsenti γbа=0,9 tashiluvchi yuklar uyilib tashiluvchi va sochiluvchan bo’lganligi uchun ularni yuk ko’taruvchanligi qsm= 4,5t li man samosvali mo’ljallangan. yukni ortish uchun zarur vaqt tp=0,16 soat–tushirish vaqti tr= 0,1 soat. tashish muddati 120 kun. avtomobilning harakat tezligi vt = 24 km/soat hisoblash tartibi: 1.avtomobilning marshrutda ishlash vaqtini topamiz: tm = tn – tо = tn – (ℓ n1+ℓ n2)/ vt = 12 – (5+5)/ 24 =11,5 8 soat. avtomobilning marshrutdagi bir aylanish vaqti: tо=∑tdv +∑t o-t = t tа+ txarаb+ ttb+ t tb+ txarbv+ t tv+ txarvа tо= ttа+ ℓеgаb/ vt + ttb+ ttb+ ℓеgbv/ vt + ttv+ ℓ еgvа/ vt = 0,16+ 12/24+0,1 + 0,16+8/24 + 0,1 + 4/24= 1,5 soat 2. avtomobilning marshrutdagi bir kunlik aylanishlari soni: zay = tm / tо = 11,5 8 /1,5 = …

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a 2- sinifga mansuf ( γst=0,8) qbg= 160000t, va gd bo’lagida 3- sinifga mansuf ( γst=0,6) hajmi qgd= 120000 t tashish muddati 360kun. yuk tashishda zil-130-66 (qsm= 5t)dan foydalaniladi.yuk ortish vaqti tp=0,5soat, tushirish vaqti tr= 0,3soat harakat tezligi vtаb i vd=20km/soat, vtbv i vg=22km/soat hisoblash tartibi: 1 avtomobilning marshrutda ishlash vaqtini topamiz.: tm = tn – tо = tn – (ℓn1+ℓn2)/ vt = 16 – (6+6)/ 20 =16,4 soat. avtomobilning marshrutdagi bir aylanish vaqti: tо=∑tdv +∑tp-r ; tdv = tdvаb+ tdvbv + tdvvg+ tdvgd+ tdvdа= ℓеgаb/ vtаb + ℓеgbv/ vt bv + ℓеgvg/ vtvg + ℓеggd/ vt gd+ ℓеgdа/ vtdа = 10/24+ 4/22+14/22+ 12/24+6/20= 2,04 soat tp-r= tpа +trb+ tpv+ trg+ tpg+ trd= 0,5+ 0,3 + 0,5+ 0,3+ 0,5+ 0,3=2,4 soat tо=2,04+2,4=4,44 soat 2. avtomobilning marshrutdagi bir kunlik aylanishlari soni: zay= tm / tо = 16,4/4,44 = 3,4 ~ 3 (qat) aylanishlari soni 8 ,vaqtlarni qayta hisoblaymiz: marshrutdagisi: tm1 = …

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rganiladi? 7. turli yo`nalishlarni o`ziga xos xususiyatlari. ? 8. yo`nalish holatini baxolovchi ko`rsatkich turlarini tushuntiring? 9. kunlik probеg bir aylanishdagi umumiy vaqt qanday aniqlanadi? 10. ishlatishga kеrakli avtomobillar soni qanday topiladi?

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8-mavzu: marshrutda ishlovchi transport vositalari ish hisobi reja 8.1. bir tomonlama yukli qatnovchi marshrut ish hisobi. 8.2. ikki tomonlama yukli qatnovchi mayatnikli marshrut ish hisobi. 8.3. orqa yo’nalishda qisman yukli qatnovchi marshrut ish hisobi 8.4. xalqasimon marshrut ish hisobi 8.1. bir tomonlama yukli qatnovchi marshrut ish hisobi mayatnikli marshrutda orqaga bo’sh qatnovchi transport vositalarining (14.1-rasm)ish qisobini bajarish uchun quydagilarni ko’rib chiqamiz: 8.1-rasm. orqaga bo’sh qatnaydigan mayatnikli marshrut. yukli masofasi ℓеg=10 km-, nolinchi qatnovlar ℓn1=10 km, ℓ n2=10 km, tashiluvchi yuk 1-sinifga mansub, donali (γst=1 ). yukning umumiy qajmi q=30660 t.tashish man avtomobilida 30 kun davomida quydagi ishlatish ko’rsatkichlar bilan bajariladi: vt=24 km/soat, ...

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