最小施工深さ(N<30)(砂質地盤・礫質地盤)

くい軸径D(mm) 先端翼径Dw(mm) Lt=17Dw(m) くい軸径D(mm) 先端翼径Dw(mm) Lt=17Dw(m)
101.6 200 3.4 318.5 600 10.2
101.6 250 4.3 318.5 650 11.1
101.6 300 5.1 318.5 700 11.9
114.3 250 4.3 318.5 750 12.8
114.3 300 5.1 318.5 800 13.6
114.3 350 6.0 355.6 650 11.1
139.8 300 5.1 355.6 700 11.9
139.8 350 6.0 355.6 750 12.8
139.8 400 6.8 355.6 800 13.6
165.2 350 6.0 355.6 850 14.5
165.2 400 6.8 355.6 900 15.3
165.2 450 7.7 406.4 700 11.9
165.2 500 8.5 406.4 750 12.8
190.7 400 6.8 406.4 800 13.6
190.7 450 7.7 406.4 850 14.5
190.7 500 8.5 406.4 900 15.3
190.7 550 9.4 406.4 950 16.2
216.3 450 7.7 406.4 1000 17.0
216.3 500 8.5 457.2 750 12.8
216.3 550 9.4 457.2 800 13.6
216.3 600 10.2 457.2 850 14.5
216.3 650 11.1 457.2 900 15.3
267.4 500 8.5 457.2 950 16.2
267.4 550 9.4 457.2 1000 17.0
267.4 600 10.2 457.2 1050 17.9
267.4 650 11.1 457.2 1100 18.7
267.4 700 11.9 457.2 1150 19.6
267.4 750 12.8      
267.4 800 13.6      

最小施工深さ(N≧30)(砂質地盤・礫質地盤)

くい軸径
D(mm)
先端翼径
Dw(mm)
Lt=9Dw
(m)
最小施工深さ
max(9Dw,3)
(m)
くい軸径
D(mm)
先端翼径
Dw(mm)
Lt=9Dw
(m)
最小施工深さ
max(9Dw,3)
(m)
101.6 200 1.8 3.0 318.5 600 5.4 5.4
101.6 250 2.3 3.0 318.5 650 5.9 5.9
101.6 300 2.7 3.0 318.5 700 6.3 6.3
114.3 250 2.3 3.0 318.5 750 6.8 6.8
114.3 300 2.7 3.0 318.5 800 7.2 7.2
114.3 350 3.2 3.2 355.6 650 5.9 5.9
139.8 300 2.7 3.0 355.6 700 6.3 6.3
139.8 350 3.2 3.2 355.6 750 6.8 6.8
139.8 400 3.6 3.6 355.6 800 7.2 7.2
165.2 350 3.2 3.2 355.6 850 7.7 7.7
165.2 400 3.6 3.6 355.6 900 8.1 8.1
165.2 450 4.1 4.1 406.4 700 6.3 6.3
165.2 500 4.5 4.5 406.4 750 6.8 6.8
190.7 400 3.6 3.6 406.4 800 7.2 7.2
190.7 450 4.1 4.1 406.4 850 7.7 7.7
190.7 500 4.5 4.5 406.4 900 8.1 8.1
190.7 550 5.0 5.0 406.4 950 8.6 8.6
216.3 450 4.1 4.1 406.4 1000 9.0 9.0
216.3 500 4.5 4.5 457.2 750 6.8 6.8
216.3 550 5.0 5.0 457.2 800 7.2 7.2
216.3 600 5.4 5.4 457.2 850 7.7 7.7
216.3 650 5.9 5.9 457.2 900 8.1 8.1
267.4 500 4.5 4.5 457.2 950 8.6 8.6
267.4 550 5.0 5.0 457.2 1000 9.0 9.0
267.4 600 5.4 5.4 457.2 1050 9.5 9.5
267.4 650 5.9 5.9 457.2 1100 9.9 9.9
267.4 700 6.3 6.3 457.2 1150 10.4 10.4
267.4 750 6.8 6.8        
267.4 800 7.2 7.2        

最小施工深さ(粘土質地盤)

くい軸径D(mm) 最小施工深さ(m)
101.6 2.0
114.3 2.0
139.8 2.0
165.2 2.0
190.7 6.0
216.3 6.0
267.4 6.0
318.5 6.0
355.6 6.0
406.4 6.0
457.2 6.0