第七回道路橋床版シンポジウム論文報告集 Experimental Study on Fatigue Resistance of RC Slab with UFC Panel for Wheel Running Fatique Test ************ Kazuhiko Minakuchi, Tadashi Abe, Tetsukazu Kida, Satoshi Tanaka and Yuuki Niiyama *()275-8575 1-2-1 **275-8575 1-2-1 ***() 285-8655 2-4-2 ****275-8575 1-2-1 The author conducted constant running load fatigue test using RC slab specimens prepared with an ordinary form and specimens of RC slab with two kind of UFC panel. The results of the constant running load fatigue test indicated that the number of running cycles during which RC slabs with UFC panel failed was about 5.29-58.67 times more than RC slabs. The dimpled surface of the UFC increased the adhesion between the UFC panel and the RC slab, which proved the effects of the composite structure. Therefore, the RC slabs with UFC panel increased the load-carrying capacity and fatigue durability performance and was evaluated as a practical structure. Key Words: RC slab with UFC panel, Fatigue resistance, Number of equivalent cycles UFC RC RC Ultra High Strength Fiber Reinforced ConcreteUFC 1, 2) UFC 200N/mm 2 3) RC UFC RC UFC UFC RC RC (UFC RC ) RC 2 UFC RC UFC UFC UFC RC - 169 -
1 C L 35 RC U.RC-P U.RC-C W/C S/a (kg/m 3 ) (cm) (%) (%) (%) C W S G Ad 8.0±2.5 2.0±1.0 39.2 40.0 403 158 726 1094 4.0 8.0±2.5 2.0±1.0 56.0 47.2 304 170 848 954 3.04 2 SD295A,D10 N/mm 2 N/mm 2 N/mm 2 kn/mm 2 RC 35 368 568 200 U.RC-P 35 385 520 200 U.RC-C 27 385 520 200 27 385 520 200 3 UFC (kg/m 3 ) W (FM) (SP) (DP) U.RC-P 180 158 29 2250 U.RC-C 180 157 24 2254 () RC () UFC RC 1 4 UFC N/mm 2 N/mm 2 kn/mm 2 U.RC-P 219.4 34.9 U.RC-C 213.2 32.0 55.0 213.2 32.0 UFC 20~30mm RC UFC RC RC 5mm 5mm~20mm SD295AD10 1 2 2 UFC (W) UFC UFC (SP)(DP 2.85g/cm 3 )(FM 7.85g/cm 3 ) 15mm 0.2mm 2.0% 2mm 240mm UFC 3UFC 4 4) RC 2000 1/2 RC 1470mm1200mm 130mm 100mm 1/2 105mm 95mm (1)P (2)C 2-170 -
1) 2) 3) (1) 1) 2) 3) (2) 1 UFC RC 1 UFC RC UFC 2 (P ) P 5, 6, 7) P 9mm 5mm UFC 46 UFC C C UFC 64 P 2(1)C 2(2) UFC 1470mm 150mm 5mm 20mm RC 2 UFC RC 24 90 48 UFC RC 1 UFC RC UFC ( 11)) UFC (12)) (13))UFC RC RC 2 UFC RC RC UFC RC 130mm 20mm UFC 105mm 95mm UFC RC 1 UFC RC () ±450mm( 900mm) 45 1 RC RC P UFC RC U.RC-P C U.RC-C C 100kN 1/2 100kN 1/2 50kN 1.2 60kN RC1,2 80kN 2 100kN U.RC-P1,2 60kN 2 80kN 2 100kN 2 100kN 2 10kN U.RC-C1,2,3-171 -
80kN 2 100kN 2 100kN 2 10kN 2 2 (1) RC UFC RC RC S-N S-N m RC UFC RC S-N 12.7 8) n m N eq ( Pi / P ) n i (1) i1 N eq ()P i (kn)p(=60kn)n i P i ()ms-n (=12.7) (1) RC UFC RC N eq 5 RC1,2 7,347, 504 8,529,870 7,938, 687 RC UFC RC U.RC-P1,2 35,727,812 48,276,900 42,002,356 RC P 5.29 U.RC-C1,2,3 505,594,259 332,737,029 558,845,801 465,725,696 RC C 58.67 UFC RC RC C P 11.09 UFC 64 5 U.RC/RC RC1 7,347,504 RC2 8,529,870 7,938,687 U.RC-P1 35,727,812 U.RC-P2 48,276,900 42,002,356 5.29 U.RC-C1 505,594,259 U.RC-C2 332,737,029 465,725,696 58.67 U.RC-C3 558,845,801 401,542,728 401,542,728 50.58 mm 10 9 RC1 RC2 8 U.RC-P1 7 U.RC-P2 6 U.RC-C1 5 U.RC-C2 4 U.RC-C3 3 2 1 0 1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 1.E+08 1.E+09 1.E+10 3 401,542,728 RC 50.58 C 86% 3 RC1,2 4.05 10 6 6.9mm7.3mm U.RC-P1,2 6.5mm6.9mm U.RC-C1,2,3 1.47 10 8 7.4mm9.7mm8.9mm RC UFC RC - 172 -
RC UFC RC C P 1.47 10 8 9.6mm U.RC-C 4(1) RC1,2 4.1 10 6 RC1,2 5940 10-6 5855 10-6 U.RC-P1,2 U.RC-P1,2 2480 10-6 2320 10-6 U.RC- C1,2,3 U.RC-P U.RC- C1,2,3 2090 10-6 2112 10-6 2157 10-6 RC UFC RC C P 2196 10-6 UFC 4(2) U.RC-P1,2 UFC 7.9 10 5 U.RC-P1,2 3010 10-6 2820 10-6 U.RC-C1,2,3 UFC U.RC-C1,2,3 1715 10-6 5000 4000 3000 2000 1000 0 1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 1.E+08 1.E+09 1.E+10 5000 4000 3000 2000 1000 RC1 RC2 U.RC-P1 U.RC-P2 U.RC-C1 U.RC-C2 U.RC-C3 (1) U.RC-P1 U.RC-P2 U.RC-C1 U.RC-C2 U.RC-C3 0 1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 1.E+08 1.E+09 1.E+10 (2) UFC 4 1647 10-6 1658 10-6 C P 50 1772 10-6 C 5 RC1 100 120mm 45 U.RC-P1 UFC - 173 -
(1) RC1 (2) U.RC-P1 (3) U.RC-C1 (4) 5 RC UFC U.RC-C1 45 45 UFC RC UFC U.RC-C1 RC UFC RC C UFC RC P 11.09 14% RC UFC RC UFC UFC UFC RC RC C UFC UFC RC C UFC RC 1)RPC RC Vol.27, No.1, pp.289-294, 2006 2) 2007 3)Y. Shimoyama and M.Uzawa, "Properties and application files of Ductal", Journal of research of the Taiheiyo cement corporation, No. 142, pp.55-62, 2002 4)2004 5) UFC RC pp.69-742008 6) UFC 53 pp.259-2602009 7) UFC RC 58 7 pp.619-626, 2009 8) 2007-174 -