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ASTM E503/E503M-88(2000)
Standard Test Methods for Measurement of Skid Resistance on Paved Surfaces Using a Passenger Vehicle Diagonal Braking Technique
Automaticky preložený názov:
Štandardné testovacie metódy na meranie Skid Resistance na spevneného povrchu pomocou osobného vozidla Diagonal techniku brzdenia
NORMA vydaná dňa 10.7.2000
Informácie o norme:
Označenie normy: ASTM E503/E503M-88(2000)
Poznámka: NEPLATNÁ
Dátum vydania normy: 10.7.2000
Kód tovaru: NS-47008
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Anotácia textu normy ASTM E503/E503M-88(2000) :
Keywords:
Braking force/torque (on pavement surfaces), Diagonal braking technique, Pavement surfaces, Resistance-skid, Stopping distance, Tires, Vehicles (automotive), skid resistance on paved surfaces, using passenger vehicle diagonal, braking technique, test, ICS Number Code 93.080.20 (Road construction materials)
Doplňujúce informácie
| 1. Scope | ||||||||||
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1.1 These test methods cover the measurement of skid resistance on paved surfaces with a passenger vehicle equipped with specified full-scale vehicle tires and using the diagonal braking mode. These test methods include the following: 1.1.1 Full-Stop Method --This represents the nonsteady-state skid resistance on two diagonally locked wheels, as the vehicle decelerates over a wetted pavement surface under specified limits of static wheel load and from a desired speed. The vehicle shall remain essentially parallel to its original direction of motion. 1.1.2 Pulse-Braking Method -The deceleration resulting from momentary diagonal wheel lockup (pulse braking) is measured. The vehicle decelerates over a wetted pavement surface under specified limits of static wheel load and at a desired speed. The vehicle shall remain essentially parallel to its original direction of motion. 1.2 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents:therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. |
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