Computer Software

Limitations of Using Skid Number in Accident Analysis and Pavement Management

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Trr No. 1311 Pavement Design, Management And Performance, pp. 43-50
Pavement frictional characteristics are commonly determined by conducting skid tests in accordance with ASTM Standard E274. The results of these tests (skid number/SN) are used in ranking roads to establish construction priorities and to estimate tire-pavement friction in accident analysis. The role of SN in these two applications is addressed. There are serious limitations constraining the use of SN in accident analysis as well as in pavement management. Use of SN-based estimates of coefficient of friction may lead to large errors in estimating the breaking distance or initial speed of a vehicle involved in an accident. In pavement management, SN is an important factor in evaluating traffic savety; however, other factors must also be considered, such as accident history data, driving dificulty, road geometry, and traffic characteristics. A wet pavement index, incorporating all factors relevant for traffic safety under wet weather conditions, should be developed to provide a basis for pavement management decisions related to highway safety.

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Ketersediaan

Informasi Detail

Judul Seri

Trr No. 1311 Pavement Design, Management And Performance

No. Panggil

-

Penerbit

: TRB., 1991

Deskripsi Fisik

p. 43-50

Bahasa

English

ISBN/ISSN

-

Klasifikasi

006:656.021

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

-

Subjek

PAVEMENT MANAGEMENT

Info Detail Spesifik

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Pernyataan Tanggungjawab

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Versi lain/terkait

Lampiran Berkas

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