Vol. 72013 7 Loading Tests of Traditional Aged Wooden Joints Compared with New Ones Hideaki Tanahashi,Yu Ooka, Mariko Yamasaki and Yasutoshi Sasaki 525-8577 1-1-1 Visiting Researcher, Ritsumeikan University, Kinugasa Research Organization 525-8577 1-1-1 Research Fellow, Ritsumeikan University/JSPS, Research Organization of Science and Engineering 3 464-8601 Associate Professor, Nagoya University, Graduate School of Bioagricultural Sciences 4 464-8601 Professor, Nagoya University, Graduate School of Bioagricultural Sciences The restoring force characteristics of aged exsiting wooden joints should be estimated accurately for seismic evaluation and reuse of exsiting traditional wooden buildings. The authors carried out loading tests of column-beam joints in a built-up state removed from two demoshing buildings, comparing with the same joints with new memers for the restoring force characteristics. Some aged joints showed very poor stiffness and resistance depending on the looseness of joints. These results will contribute accumulation of structural databases of aged wooden joints for the seismic evaluation, reuse and conservation of tradidional wooden buildings. 1) 118 60-70 1
27 118 4 20 60-70 11 1 2 3 4 T 1 N F U 11 U N 6 2 H B h d b D W 2
1 140 90 112 112 88 29 130 140 190 120 120 100 30 200 140 170 112 112 88 29 45 140 190 120 120 100 45 200 150 200 120 120 70 30 215 150 200 105 105 70 30 76 150 203 110 110 72 30 75 150 200 120 120 70 30 215 150 200 105 105 70 30 68 232 228 110 110 72 29 70 198 203 113 104 71 30 78 1/450, 1/300, 1/200, 1/150, 1/100, 1/75, 1/50, 1/30, 1/10 rad 3 200mm/min (SFL-100kN 100kN) (DP-1000E 1000 mm 10 10-6 /mm CDP-50 50 mm 200 10-6 /mm)(cdp-100 100 mm 100 10-6 /mm) (knm)(rad) 34 (+)(-) 3 NU 4 FU 59 NU2, 4, FU3, 6 2) 5 NU1, 3, FU4, 5, 7, 8, 9 3
6 5 NU1NU3 6 NU2NU4 7 FU3FU6 8 FU4FU5 9 FU7FU8FU9 5 FU3 6 FU5 11 2 4 6 10 11 T ( AE-80,THK 4
800 )(TCLM-20kNB 20kN) - DP-1000E 1000 mm) CDP-50M 50 mm) 1/240,1/120,1/60,1/30,1/20,1/15,1/10,1/5 8 3 30mm/min 90mm/min TCLM-20kNB 400 1000 10 () 400 100 100 50 1150 11 7 12 FU3/FN3FU6/FN6 12-400 400 1000 150 NN2 0.04rad NU2 0.045rad 0.15rad 0.1rad NU2 NN2 2 NU2 NN2 2.2 13 NN2NU2 5
NU2 NN2 NU2 NN4 NN2 NN4 0.04rad 0.07rad NU4 0.1 rad Mmax=4.2kNm 2.3kNm 0.07rad NU4 NN4 2.6 NN4:NU4 FU3 FN3 FN3 0.03rad 0.12rad 0.05rad FU3 0.05 rad 0.08rad 0.04rad FU3 FN3 1.8 FN4 FU4 FU4 0.1rad FN4 FN4 0.035rad FN4FU4 FU6 0.05rad FN6 FN6 0.035rad FU6 0.08rad FU6 FN6 1.7 14 NN4NU4 15 FN3FU3 16 FN4FU4 17 FN6FU6 6
FU6 FN6 FU7 0.05rad FN7 0.1rad 0.18rad FN7 FN7 0.04rad 0.19rad FU7 FN7 2.0 18 FN7FU7 1.4 2 19 (+) Mmax Mu My Mmax Mu My 19 118 60-70 T 7
2 max (knm) (rad) 120 (Nm) 2/3 max ( knm) (knm) (rad) (knm) (rad) (rad) (knm/rad) NN2 1.45 0.190 0.098 0.97 0.907 0.034 1.19 0.125 0.044 26.7 2.75 0.47 NU2+ 1.60 0.137 0.100 1.07 0.936 0.045 1.37 0.148 0.073 18.7 2.01 0.57 NU2-1.15 0.097 0.049 0.77 0.650 0.037 1.01 0.110 0.062 16.2 1.77 0.63 NN4 2.87 0.076 0.894 1.91 1.614 0.020 2.59 0.100 0.032 81.5 3.73 0.39 NU4+ 2.34 0.054 0.471 1.56 - - - - - - - - NU4-4.31 0.099 0.328 2.88 2.647 0.037 3.83 0.100 0.057 67.7 1.77 0.63 FN3 1.14 0.101 0.160 0.76 0.673 0.027 0.99 0.125 0.040 24.7 3.10 0.44 FU3+ 2.25 0.080 0.109 1.50 1.581 0.048 1.72 0.080 0.056 30.9 1.43 0.73 FU3-1.36 0.036 0.214 0.91 - - - - - - - - FN4 0.63 0.196 0.213 0.42 0.418 0.023 0.56 0.125 0.031 18.3 4.05 0.38 FU4 0.33 0.178 0.064 0.22 - - - - - - - - FN6 1.03 0.039 0.088 0.69 0.664 0.025 0.76 0.100 0.028 26.8 3.54 0.41 FU6+ 1.68 0.082 0.163 1.12 - - - - - - - - FU6-1.35 0.062 0.047 0.90 - - - - - - - - FN7 0.46 0.189 0.018 0.31 0.300 0.043 0.39 0.125 0.055 7.03 2.27 0.53 FU7 0.63 0.180 0.011 0.42 0.438 0.097 0.45 0.185 0.102 4.45 1.82 0.62 24 1) Vol.6, pp.45-52, 2012. 2) Vol.671,pp.45-54,2012. 8