@鋼板側材 一面せん断
■終局強度比(ru)、靭性係数(jKr)の値
単位接合部の降伏モード |
ru |
jKr |
T |
1.1 |
0.75 |
V |
1.1 |
0.9 |
W |
1.1 |
1.0 |
鋼板側材 一面せん断 ラグスクリュー接合の検討
<参考>
ラグスクリュー1列の許容耐力=この表の値×1列に並ぶ本数×ラグスクリューの本数に基づく耐力の低減係数(jKn)
■鋼板側材 一面せん断 ラグスクリュー1本あたりの許容耐力(kN)
繊維方向加力 樹種 J1:べいまつ・からまつ J2:ひのき J3:すぎ
ボルト径 |
LG長さ |
J1 |
J2 |
J3 |
長期 |
短期 |
終局 |
長期 |
短期 |
終局 |
長期 |
短期 |
終局 |
12 |
100 |
3.66 |
6.66 |
9.99 |
3.44 |
6.26 |
9.38 |
3.20 |
5.82 |
8.73 |
16 |
130 |
6.51 |
11.84 |
17.76 |
6.12 |
11.12 |
16.68 |
5.69 |
10.35 |
15.52 |
20 |
160 |
10.18 |
18.50 |
27.76 |
9.56 |
17.38 |
26.07 |
8.89 |
16.17 |
24.26 |
繊維直交方向加力 樹種 J1:べいまつ・からまつ J2:ひのき J3:すぎ
ボルト径 |
LG長さ |
J1 |
J2 |
J3 |
長期 |
短期 |
終局 |
長期 |
短期 |
終局 |
長期 |
短期 |
終局 |
12 |
100 |
2.59 |
4.71 |
7.07 |
2.43 |
4.42 |
6.64 |
2.26 |
4.12 |
6.17 |
16 |
130 |
4.61 |
8.37 |
12.56 |
4.33 |
7.86 |
11.80 |
4.03 |
7.32 |
10.98 |
20 |
160 |
7.20 |
13.08 |
19.63 |
6.76 |
12.29 |
18.43 |
6.29 |
11.43 |
17.15 |
※J3 、M20のみLG長さを170以上とする。
ラグスクリューの本数に基づく耐力の低減係数 jKn
1列の本数 |
ラグスクリューの 本数に基づく 耐力の低減係数 jKn |
鋼材 |
1〜2本 |
1.0 |
3〜4本 |
0.9 |
5〜6本 |
0.75 |
7〜8本 |
0.65 |
9〜10本 |
0.55 |
11〜12本 |
0.5 |
木質材料 |
1〜2本 |
1.0 |
3〜4本 |
0.975 |
5〜6本 |
0.95 |
7〜8本 |
0.9 |
9〜10本 |
0.85 |
11〜12本 |
0.8 |
算定結果一覧表
繊維方向加力 樹種 J1:べいまつ・からまつ
ボルト径 |
LG長さ |
C |
py |
モード |
ru |
jKr |
長期 |
短期 |
終局 |
12 |
100 |
0.298025 |
9.08 |
W |
1.1 |
1 |
3.66 |
6.66 |
9.99 |
12 |
110 |
0.270932 |
9.08 |
W |
1.1 |
1 |
3.66 |
6.66 |
9.99 |
12 |
125 |
0.238420 |
9.08 |
W |
1.1 |
1 |
3.66 |
6.66 |
9.99 |
12 |
130 |
0.229250 |
9.08 |
W |
1.1 |
1 |
3.66 |
6.66 |
9.99 |
12 |
140 |
0.212875 |
9.08 |
W |
1.1 |
1 |
3.66 |
6.66 |
9.99 |
12 |
150 |
0.198683 |
9.08 |
W |
1.1 |
1 |
3.66 |
6.66 |
9.99 |
16 |
130 |
0.305667 |
16.15 |
W |
1.1 |
1 |
6.51 |
11.84 |
17.76 |
16 |
140 |
0.283833 |
16.15 |
W |
1.1 |
1 |
6.51 |
11.84 |
17.76 |
16 |
150 |
0.264911 |
16.15 |
W |
1.1 |
1 |
6.51 |
11.84 |
17.76 |
16 |
160 |
0.248354 |
16.15 |
W |
1.1 |
1 |
6.51 |
11.84 |
17.76 |
16 |
170 |
0.233745 |
16.15 |
W |
1.1 |
1 |
6.51 |
11.84 |
17.76 |
16 |
180 |
0.220759 |
16.15 |
W |
1.1 |
1 |
6.51 |
11.84 |
17.76 |
16 |
190 |
0.209140 |
16.15 |
W |
1.1 |
1 |
6.51 |
11.84 |
17.76 |
16 |
200 |
0.198683 |
16.15 |
W |
1.1 |
1 |
6.51 |
11.84 |
17.76 |
20 |
160 |
0.310443 |
25.23 |
W |
1.1 |
1 |
10.18 |
18.50 |
27.76 |
20 |
170 |
0.292181 |
25.23 |
W |
1.1 |
1 |
10.18 |
18.50 |
27.76 |
20 |
180 |
0.275949 |
25.23 |
W |
1.1 |
1 |
10.18 |
18.50 |
27.76 |
20 |
190 |
0.261425 |
25.23 |
W |
1.1 |
1 |
10.18 |
18.50 |
27.76 |
20 |
200 |
0.248354 |
25.23 |
W |
1.1 |
1 |
10.18 |
18.50 |
27.76 |
20 |
210 |
0.236528 |
25.23 |
W |
1.1 |
1 |
10.18 |
18.50 |
27.76 |
20 |
220 |
0.225777 |
25.23 |
W |
1.1 |
1 |
10.18 |
18.50 |
27.76 |
繊維方向加力 樹種 J2:ひのき
ボルト径 |
LG長さ |
C |
py |
モード |
ru |
jKr |
長期 |
短期 |
終局 |
12 |
100 |
0.317355 |
8.53 |
W |
1.1 |
1 |
3.44 |
6.26 |
9.38 |
12 |
110 |
0.288505 |
8.53 |
W |
1.1 |
1 |
3.44 |
6.26 |
9.38 |
12 |
125 |
0.253884 |
8.53 |
W |
1.1 |
1 |
3.44 |
6.26 |
9.38 |
12 |
130 |
0.244119 |
8.53 |
W |
1.1 |
1 |
3.44 |
6.26 |
9.38 |
12 |
140 |
0.226682 |
8.53 |
W |
1.1 |
1 |
3.44 |
6.26 |
9.38 |
12 |
150 |
0.211570 |
8.53 |
W |
1.1 |
1 |
3.44 |
6.26 |
9.38 |
16 |
130 |
0.325492 |
15.17 |
W |
1.1 |
1 |
6.12 |
11.12 |
16.68 |
16 |
140 |
0.302243 |
15.17 |
W |
1.1 |
1 |
6.12 |
11.12 |
16.68 |
16 |
150 |
0.282093 |
15.17 |
W |
1.1 |
1 |
6.12 |
11.12 |
16.68 |
16 |
160 |
0.264463 |
15.17 |
W |
1.1 |
1 |
6.12 |
11.12 |
16.68 |
16 |
170 |
0.248906 |
15.17 |
W |
1.1 |
1 |
6.12 |
11.12 |
16.68 |
16 |
180 |
0.235078 |
15.17 |
W |
1.1 |
1 |
6.12 |
11.12 |
16.68 |
16 |
190 |
0.222705 |
15.17 |
W |
1.1 |
1 |
6.12 |
11.12 |
16.68 |
16 |
200 |
0.21157 |
15.17 |
W |
1.1 |
1 |
6.12 |
11.12 |
16.68 |
20 |
160 |
0.330578 |
23.70 |
W |
1.1 |
1 |
9.56 |
17.38 |
26.07 |
20 |
170 |
0.311132 |
23.70 |
W |
1.1 |
1 |
9.56 |
17.38 |
26.07 |
20 |
180 |
0.293847 |
23.70 |
W |
1.1 |
1 |
9.56 |
17.38 |
26.07 |
20 |
190 |
0.278382 |
23.70 |
W |
1.1 |
1 |
9.56 |
17.38 |
26.07 |
20 |
200 |
0.264463 |
23.70 |
W |
1.1 |
1 |
9.56 |
17.38 |
26.07 |
20 |
210 |
0.251869 |
23.70 |
W |
1.1 |
1 |
9.56 |
17.38 |
26.07 |
20 |
220 |
0.240421 |
23.70 |
W |
1.1 |
1 |
9.56 |
17.38 |
26.07 |
繊維方向加力 樹種 J3:すぎ
ボルト径 |
LG長さ |
C |
py |
モード |
ru |
jKr |
長期 |
短期 |
終局 |
12 |
100 |
0.341011 |
7.94 |
W |
1.1 |
1 |
3.20 |
5.82 |
8.73 |
12 |
110 |
0.310010 |
7.94 |
W |
1.1 |
1 |
3.20 |
5.82 |
8.73 |
12 |
125 |
0.272809 |
7.94 |
W |
1.1 |
1 |
3.20 |
5.82 |
8.73 |
12 |
130 |
0.262316 |
7.94 |
W |
1.1 |
1 |
3.20 |
5.82 |
8.73 |
12 |
140 |
0.243579 |
7.94 |
W |
1.1 |
1 |
3.20 |
5.82 |
8.73 |
12 |
150 |
0.227341 |
7.94 |
W |
1.1 |
1 |
3.20 |
5.82 |
8.73 |
16 |
130 |
0.349755 |
14.11 |
W |
1.1 |
1 |
5.69 |
10.35 |
15.52 |
16 |
140 |
0.324773 |
14.11 |
W |
1.1 |
1 |
5.69 |
10.35 |
15.52 |
16 |
150 |
0.303121 |
14.11 |
W |
1.1 |
1 |
5.69 |
10.35 |
15.52 |
16 |
160 |
0.284176 |
14.11 |
W |
1.1 |
1 |
5.69 |
10.35 |
15.52 |
16 |
170 |
0.267460 |
14.11 |
W |
1.1 |
1 |
5.69 |
10.35 |
15.52 |
16 |
180 |
0.252601 |
14.11 |
W |
1.1 |
1 |
5.69 |
10.35 |
15.52 |
16 |
190 |
0.239306 |
14.11 |
W |
1.1 |
1 |
5.69 |
10.35 |
15.52 |
16 |
200 |
0.227341 |
14.11 |
W |
1.1 |
1 |
5.69 |
10.35 |
15.52 |
20 |
160 |
0.355220 |
22.05 |
W |
1.1 |
1 |
8.89 |
16.17 |
24.26 |
20 |
170 |
0.334325 |
22.05 |
W |
1.1 |
1 |
8.89 |
16.17 |
24.26 |
20 |
180 |
0.315751 |
22.05 |
W |
1.1 |
1 |
8.89 |
16.17 |
24.26 |
20 |
190 |
0.299133 |
22.05 |
W |
1.1 |
1 |
8.89 |
16.17 |
24.26 |
20 |
200 |
0.284176 |
22.05 |
W |
1.1 |
1 |
8.89 |
16.17 |
24.26 |
20 |
210 |
0.270644 |
22.05 |
W |
1.1 |
1 |
8.89 |
16.17 |
24.26 |
20 |
220 |
0.258342 |
22.05 |
W |
1.1 |
1 |
8.89 |
16.17 |
24.26 |
繊維直交方向加力 樹種 J1:べいまつ・からまつ
ボルト径 |
LG長さ |
C |
py |
モード |
ru |
jKr |
長期 |
短期 |
終局 |
12 |
100 |
0.421471 |
6.42 |
W |
1.1 |
1 |
2.59 |
4.71 |
7.07 |
12 |
110 |
0.383155 |
6.42 |
W |
1.1 |
1 |
2.59 |
4.71 |
7.07 |
12 |
125 |
0.337177 |
6.42 |
W |
1.1 |
1 |
2.59 |
4.71 |
7.07 |
12 |
130 |
0.324208 |
6.42 |
W |
1.1 |
1 |
2.59 |
4.71 |
7.07 |
12 |
140 |
0.301051 |
6.42 |
W |
1.1 |
1 |
2.59 |
4.71 |
7.07 |
12 |
150 |
0.280981 |
6.42 |
W |
1.1 |
1 |
2.59 |
4.71 |
7.07 |
16 |
130 |
0.432278 |
11.42 |
W |
1.1 |
1 |
4.61 |
8.37 |
12.56 |
16 |
140 |
0.401401 |
11.42 |
W |
1.1 |
1 |
4.61 |
8.37 |
12.56 |
16 |
150 |
0.374641 |
11.42 |
W |
1.1 |
1 |
4.61 |
8.37 |
12.56 |
16 |
160 |
0.351226 |
11.42 |
W |
1.1 |
1 |
4.61 |
8.37 |
12.56 |
16 |
170 |
0.330565 |
11.42 |
W |
1.1 |
1 |
4.61 |
8.37 |
12.56 |
16 |
180 |
0.312201 |
11.42 |
W |
1.1 |
1 |
4.61 |
8.37 |
12.56 |
16 |
190 |
0.295769 |
11.42 |
W |
1.1 |
1 |
4.61 |
8.37 |
12.56 |
16 |
200 |
0.280981 |
11.42 |
W |
1.1 |
1 |
4.61 |
8.37 |
12.56 |
20 |
160 |
0.439032 |
17.84 |
W |
1.1 |
1 |
7.20 |
13.08 |
19.63 |
20 |
170 |
0.413207 |
17.84 |
W |
1.1 |
1 |
7.20 |
13.08 |
19.63 |
20 |
180 |
0.390251 |
17.84 |
W |
1.1 |
1 |
7.20 |
13.08 |
19.63 |
20 |
190 |
0.369711 |
17.84 |
W |
1.1 |
1 |
7.20 |
13.08 |
19.63 |
20 |
200 |
0.351226 |
17.84 |
W |
1.1 |
1 |
7.20 |
13.08 |
19.63 |
20 |
210 |
0.334501 |
17.84 |
W |
1.1 |
1 |
7.20 |
13.08 |
19.63 |
20 |
220 |
0.319296 |
17.84 |
W |
1.1 |
1 |
7.20 |
13.08 |
19.63 |
繊維直交方向加力 樹種 J2:ひのき
ボルト径 |
LG長さ |
C |
py |
モード |
ru |
jKr |
長期 |
短期 |
終局 |
12 |
100 |
0.448808 |
6.03 |
W |
1.1 |
1 |
2.43 |
4.42 |
6.64 |
12 |
110 |
0.408007 |
6.03 |
W |
1.1 |
1 |
2.43 |
4.42 |
6.64 |
12 |
125 |
0.359046 |
6.03 |
W |
1.1 |
1 |
2.43 |
4.42 |
6.64 |
12 |
130 |
0.345237 |
6.03 |
W |
1.1 |
1 |
2.43 |
4.42 |
6.64 |
12 |
140 |
0.320577 |
6.03 |
W |
1.1 |
1 |
2.43 |
4.42 |
6.64 |
12 |
150 |
0.299205 |
6.03 |
W |
1.1 |
1 |
2.43 |
4.42 |
6.64 |
16 |
130 |
0.460316 |
10.72 |
W |
1.1 |
1 |
4.33 |
7.86 |
11.80 |
16 |
140 |
0.427436 |
10.72 |
W |
1.1 |
1 |
4.33 |
7.86 |
11.80 |
16 |
150 |
0.398940 |
10.72 |
W |
1.1 |
1 |
4.33 |
7.86 |
11.80 |
16 |
160 |
0.374007 |
10.72 |
W |
1.1 |
1 |
4.33 |
7.86 |
11.80 |
16 |
170 |
0.352006 |
10.72 |
W |
1.1 |
1 |
4.33 |
7.86 |
11.80 |
16 |
180 |
0.332450 |
10.72 |
W |
1.1 |
1 |
4.33 |
7.86 |
11.80 |
16 |
190 |
0.314953 |
10.72 |
W |
1.1 |
1 |
4.33 |
7.86 |
11.80 |
16 |
200 |
0.299205 |
10.72 |
W |
1.1 |
1 |
4.33 |
7.86 |
11.80 |
20 |
160 |
0.467508 |
16.76 |
W |
1.1 |
1 |
6.76 |
12.29 |
18.43 |
20 |
170 |
0.440008 |
16.76 |
W |
1.1 |
1 |
6.76 |
12.29 |
18.43 |
20 |
180 |
0.415563 |
16.76 |
W |
1.1 |
1 |
6.76 |
12.29 |
18.43 |
20 |
190 |
0.393691 |
16.76 |
W |
1.1 |
1 |
6.76 |
12.29 |
18.43 |
20 |
200 |
0.374007 |
16.76 |
W |
1.1 |
1 |
6.76 |
12.29 |
18.43 |
20 |
210 |
0.356197 |
16.76 |
W |
1.1 |
1 |
6.76 |
12.29 |
18.43 |
20 |
220 |
0.340006 |
16.76 |
W |
1.1 |
1 |
6.76 |
12.29 |
18.43 |
繊維直交方向加力 樹種 J3:すぎ
ボルト径 |
LG長さ |
C |
py |
モード |
ru |
jKr |
長期 |
短期 |
終局 |
12 |
100 |
0.482263 |
5.61 |
W |
1.1 |
1 |
2.26 |
4.12 |
6.17 |
12 |
110 |
0.438421 |
5.61 |
W |
1.1 |
1 |
2.26 |
4.12 |
6.17 |
12 |
125 |
0.385810 |
5.61 |
W |
1.1 |
1 |
2.26 |
4.12 |
6.17 |
12 |
130 |
0.370971 |
5.61 |
W |
1.1 |
1 |
2.26 |
4.12 |
6.17 |
12 |
140 |
0.344473 |
5.61 |
W |
1.1 |
1 |
2.26 |
4.12 |
6.17 |
12 |
150 |
0.321508 |
5.61 |
W |
1.1 |
1 |
2.26 |
4.12 |
6.17 |
16 |
130 |
0.494628 |
9.98 |
W |
1.1 |
1 |
4.03 |
7.32 |
10.98 |
16 |
140 |
0.459298 |
9.98 |
W |
1.1 |
1 |
4.03 |
7.32 |
10.98 |
16 |
150 |
0.428678 |
9.98 |
W |
1.1 |
1 |
4.03 |
7.32 |
10.98 |
16 |
160 |
0.401886 |
9.98 |
W |
1.1 |
1 |
4.03 |
7.32 |
10.98 |
16 |
170 |
0.378245 |
9.98 |
W |
1.1 |
1 |
4.03 |
7.32 |
10.98 |
16 |
180 |
0.357232 |
9.98 |
W |
1.1 |
1 |
4.03 |
7.32 |
10.98 |
16 |
190 |
0.338430 |
9.98 |
W |
1.1 |
1 |
4.03 |
7.32 |
10.98 |
16 |
200 |
0.321508 |
9.98 |
W |
1.1 |
1 |
4.03 |
7.32 |
10.98 |
20 |
160 |
0.500787 |
15.54 |
V |
1.1 |
0.9 |
5.64 |
10.26 |
15.39 |
20 |
170 |
0.472807 |
15.59 |
W |
1.1 |
1 |
6.29 |
11.43 |
17.15 |
20 |
180 |
0.446540 |
15.59 |
W |
1.1 |
1 |
6.29 |
11.43 |
17.15 |
20 |
190 |
0.423037 |
15.59 |
W |
1.1 |
1 |
6.29 |
11.43 |
17.15 |
20 |
200 |
0.401886 |
15.59 |
W |
1.1 |
1 |
6.29 |
11.43 |
17.15 |
20 |
210 |
0.382748 |
15.59 |
W |
1.1 |
1 |
6.29 |
11.43 |
17.15 |
20 |
220 |
0.365351 |
15.59 |
W |
1.1 |
1 |
6.29 |
11.43 |
17.15 |