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Model proračuna kapaciteta manevra levog skretanja sa prioritetnog prilaza nesignalisane raskrsnice

Model for capacity calculation of left turn manoeuvre from priority approach at unsignalized intersections

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Author
Deretić, Nemanja
Mentor
Bogdanović, Vuk
Committee members
Tanackov, Ilija
Glavić, Draženko
Ruškić, Nenad
Basarić, Valentina
Bogdanović, Vuk
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Abstract
Pre obavljanja levog manevra, sa prioritetnog prilaza TWSC nesignalisane raskrsnice, vozač procenjuje interval koji se javlja u konfliktnom toku i bira onaj interval koji mu je najviše prihvatljiv. Vreme koje je potrebno za procenu prihvatljivog intervala je predstavljeno u vidu vremena čekanja u opsluzi vozila na raskrsnici. Sa pojavom prihvatljivog intervala, vreme čekanja u opsluzi vozila se završava, i tada počinje vreme za izvođenje manevra levog skretanja. Odluka o momentu početka izvođenja manevra levog skretanja je subjektivna i zasniva se na proceni vozača. Ispravna subjektivna procena uvek rezerviše bezbednosno vreme. U ovoj disertaciji je predstavljen razvoj detaljnog matematičkog postupka za proračun bezbednosnog vremena. Merenja na nesignalisanim raskrsnicama su dokazala primenjivost predloženog modela, mogućnost proračuna subjektivnog bezbednosnog vremena i visoko učešće bezbednosnog vremena u kritičnom intervalu (oko jedne trećine). Dobijeni rezultati su visoko saglasni ...sa HCM.

Before the left turn manoeuvre, from priority approach at TWSC unsignalized intersection, the driver estimates the interval occurring in the conflict flow and chooses the one which is most acceptable for him. The time required for evaluation of acceptable interval is presented by the service waiting time of vehicles at an intersection. With the appearance of an acceptable interval, service waiting time for vehicle ends, and then starts a time for performance of left turn manoeuvre. A decision about the moment of starting left turn manoeuvre is subjective and based on a driver’s estimate. Correct subjective evaluation always reserves the safety time. This dissertation presents development of a detailed mathematical procedure for calculation form of safety time. Measurements at unsignalized intersections are proven applicability of the proposed model, possibility of calculation subjective safety time and high participation of safety time in critical gap (about one-third). The obtained re...sults are highly consistent with HCM.

Faculty:
Универзитет у Новом Саду, Факултет техничких наука
Date:
26-09-2018
Keywords:
Kapacitet drumskih saobraćajnica / Capacity of road traffic / prioritet / standardna nesignalisana raskrsnica / interval sleđenja / konfliktni tok / nivo usluge / priority / standard unsignalized intersection / headway / conflict flow / level of service / Capacity / Kapacitet
[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_nardus_10018
URI
https://nardus.mpn.gov.rs/handle/123456789/10018
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