高速道路での重量車の ... - library.jsce.or.jp

1 14 2009 12 203 1 2 2 3 114-0003 4 17-33 E-mail 2 194-8508 1 4-1 3 006-8585 7 15 JIS D 1012 Key Words concrete pavement, asphalt pavement, fuel consumption, coast down test, drag forces on rolling vehicle, rolling drag, road gradient 2 84 2006 1998 2003 NRC National Research Council Canada IRI 1,2) JIS D 1012 JIS 2 3,4)

2 JIS JIS JIS 204 JIS (1) IC IC 21km A B A B -1 IRI -1 IRI A B IRI -2 Jianxiong IRI Ride Quality 5) A good B Ve r y G o o d B A B -2 A 10m B (2) a) 2m3 6 1) 17 8 2) PK-FR1 EXGW 3) E13C 4) FR1 EXW-13160 5) 12 6) 6) 326,000km 7)

3 10,540kg 8) 24,640kg 9) 3 1 2 10) 11) M880 275/80R22 12) b) -1 IRI 1 ( 80) 2 A 900m B 800m 1 NEXCO 248 OWP 2 NEXCO 222 100m OWP -1 25cm ( )5cm 25 40cm ( )5cm As 8cm 17cm -2 A B A B 205 (3) a) 85km/h 45 5 C b) JIS 85km/h 5km/h 85-5km/h 1 3 (4)

4 FWD FWD FWD KUAB A 10 10 1 B 10m 9 A 98kN B 49kN 85km/h 75km/h -3 -3 -4 -3 A 85-45km/h 2 -4 B 1km/h -2 IRI ( 80km/h)5) Ride Quality Very good < Good Fair Mediocre Poor > -3 85-45km/h 45-5km/h A 85-80km/h 80-75km/h 75-55km/h 55-45km/h 45-5km/h B 55-50km/h 50-45km/h 45-40km/h -3 A 84-45km/h 010203040506040 50 60 70 80 90 km/h s A(1) A(2) -4 B 50-45km/h R = 45 46 47 48 49 50 51 km/h s B 50-45km/h2 206 2 (1) (1) sinsinmgmgFFFjdjuj+= = (1) jF Vj (N) juF jV tan jujuTVF + =)

5 Mm( (N) jdF Vj tan jdjdTVF + =)mm( (N) (deg) tan m (kg) rm (kg) 7 6) V (km/h) juT V (km/h) (s) jdT V (km/h) (s) -2 A -5 tan B (2) JIS 85km/h 75km/h 10km/h (2) j=80 jjTVF + =)mm( (2) V 10(km/h) jT V 10(km/h) (s) jV =80 70 10 jF 2 F V 2210 VfVffF + += (3) 0f N 1f V 1 (N/(km/h)) 2f V 2 (N/(km/h)2) -6 (2) (3) -6 JIS B F= + + 1174R2 = F= + + 1089R2 = ,0001,5002,0002,5003,0003,5000 20406080100 V km/h F N A Con B As 01,0002,0003,0004,0005,0006,0007,0008,00 074 76 78 80 82 84 86 km/h N tan tan -5 A 207 30km/h A B 3) -7 -6 A 7)

6 A B 45-5km/h 10km/h -8 5km/h A B (1) 0km/h A 1,019N B 1,128N 109N B JIS -5 V=0km/h F = A 1,089N B 1,178N B 10km/h (3) FWD FWD -9 A B A 1/2 A B A IRI -2 A B -7 3) C B D B E -8 02004006008001,0001,2001,400024681012 km/h N A B D F = + + E F = + + 1125 C F = + + ,0001,5002,00001020304050 V (km/h) F (N) C D E -9 FWD 500 1000 1500 2000 2500 mm (mm)

7 A 98kN A 98kN B 49kN 208 8) L/km 80km/h -10 -11 2 -30 30 -4 A B B (a) (b) JIS 45-5km/h (c) (d)

8 -4 10 A 10 B kg 8,590 6,640 kg 11,250 12,000 kg 19,950 18,750 2 2 - - m DI, NA DI, TI L kW/rpm 294/2,200 221/2,150 Nm/rpm 1,392/1,400 1,078/1,100 -10 020406080100050010001500200025003000 (s) (km/h)-6-4-20246 (%) -11 80km/h -10-50510-40 -2002040 (%) (%) A/ B/ 209 1) Effect of Pavement Structure Type on Fuel Consumption Phase II: Seasonal Test, National Research Council Canada, Canada, 2000 2) Effects of Pavement Structure on Vehicle Fuel Consumption Phase III, National Research Council Canada, Canada, 2006 3) JSAE SYMPOSIUM pp40-44 2008 4) CO2 2009 5) J.

9 Yu, E. Y. J. Chou and J. -T. Yau Development of Speed-Related Ride Quality Thresholds Using International Roughness Index Journal Transportation Research Record: Journal of the Transportation Research Board 2006 6) 2005 7) 0 200 100 , 1987 8) 25 4 2003 A STUDY OF ROLLING FORCE MEASUREMENT AND EFFECT ON TRUCK FUEL CONSUMPTION ON EXPRESSWAY Toru YOSHIMOTO, Takayuki KAZATO, Kazuhiko KUMADA and Atsushi KASAHARA The objective of this study is to research the influence of truck fuel consumption for concrete pavement and asphalt pavementrespectively, and then drag forces on the rolling vehicle tests are done by real truck coast down tests on an test method of drag forces on the rolling vehicle test (JIS D 1012) is unrealistic when it is applied for real roads.

10 TheJIS test method has some problems because the test distances are always short due to grade and curve on actual road report suggests rolling drag calculation method, which can evaluate road surface among drag fo