これまでのe-pile nextは、優れた掘削性能(貫入性)とα=295という高支持力を特徴とした商品であるが故に、杭1本が負担できる鉛直荷重は大きいものの、同時に水平荷重も作用するため、曲げ耐力を考慮すると、杭の板厚および本数の増加が課題となっておりました。
そこで、水平荷重を大きく受ける杭頭上部に拡頭構造を取り入れることで、断面性能の向上から、従来もつ高支持力を最大限活かすことを実現し、より経済性と安全性を高めることができました。
人に、地球に、やさしい
再生可能な「循環型杭工法」
これまでのe-pile nextは、優れた掘削性能(貫入性)とα=295という高支持力を特徴とした商品であるが故に、杭1本が負担できる鉛直荷重は大きいものの、同時に水平荷重も作用するため、曲げ耐力を考慮すると、杭の板厚および本数の増加が課題となっておりました。
そこで、水平荷重を大きく受ける杭頭上部に拡頭構造を取り入れることで、断面性能の向上から、従来もつ高支持力を最大限活かすことを実現し、より経済性と安全性を高めることができました。
JIS G3106 | 溶接構造用 圧延鋼板 |
SM490A (φ114.3~φ508.0) |
---|---|---|
JIS G3136 | 建築構造用 圧延鋼板 |
SN490B (φ114.3~φ508.0) |
JIS G3444 | 建築構造用 炭素鋼鋼管 |
STK400、STK490 (φ139.8~φ812.8) |
---|---|---|
JIS G3475 | 建築構造用 炭素鋼鋼管 |
STKN490B (φ139.8~φ812.8) |
JIS A5525 | 鋼管ぐい | SKK400、SKK490 (φ318.5~φ812.8) |
下軸径 D2 mm |
上軸径 D1 mm |
高さ H1 mm |
---|---|---|
114.3 | 139.8 | 101 |
165.2 | 201 | |
139.8 | 165.2 | 101 |
190.7 | 201 | |
165.2 | 190.7 | 101 |
216.3 | 201 | |
190.7 | 216.3 | 101 |
267.4 | 304 | |
216.3 | 267.4 | 202 |
318.5 | 404 | |
267.4 | 318.5 | 202 |
355.6 | 349 | |
406.4 | 550 |
下軸径 D2 mm |
上軸径 D1 mm |
高さ H1 mm |
---|---|---|
318.5 | 355.6 | 147 |
406.4 | 348 | |
457.2 | 549 | |
355.6 | 406.4 | 201 |
457.2 | 402 | |
508.0 | 603 | |
558.8 | 804 | |
406.4 | 508.0 | 402 |
558.8 | 603 | |
609.6 | 804 | |
660.4 | 1,005 |
下軸径 D2 mm |
上軸径 D1 mm |
高さ H1 mm |
---|---|---|
457.2 | 558.8 | 402 |
609.6 | 603 | |
660.4 | 804 | |
711.2 | 1,005 | |
508.0 | 609.6 | 402 |
660.4 | 603 | |
711.2 | 804 | |
762.0 | 1,005 | |
812.8 | 1,206 |
(腐食しろとして外周1mmを考慮した場合)
外径 φ(mm) |
厚さ (mm) |
杭軸有効 断面積 (mm²) |
低減率 Rc |
STK400・SKK400 | STK490・SKK490 | ||
---|---|---|---|---|---|---|---|
長期許容 圧縮強さ (kN) |
短期許容 圧縮強さ (kN) |
長期許容 圧縮強さ (kN) |
短期許容 圧縮強さ (kN) |
||||
139.8 | 4.5 | 1,476 | 0.925 | 214 | 321 | 296 | 444 |
6.0 | 2,085 | 0.978 | 320 | 480 | 442 | 663 | |
6.6 | 2,325 | 1.000 | 364 | 547 | 504 | 756 | |
165.2 | 4.5 | 1,756 | 0.905 | 249 | 374 | 345 | 517 |
5.0 | 2,000 | 0.921 | 289 | 433 | 399 | 599 | |
7.1 | 3,010 | 0.984 | 464 | 696 | 642 | 963 | |
190.7 | 5.3 | 2,490 | 0.912 | 356 | 534 | 492 | 739 |
7.0 | 3,443 | 0.957 | 516 | 775 | 714 | 1,071 | |
216.3 | 5.8 | 3,158 | 0.911 | 451 | 676 | 623 | 935 |
8.2 | 4,683 | 0.966 | 709 | 1,064 | 981 | 1,471 | |
10.3 | 5,987 | 1.000 | 938 | 1,407 | 1,297 | 1,946 | |
12.7 | 7,444 | 1.000 | 1,166 | 1,749 | 1,613 | 2,419 | |
267.4 | 5.8 | 3,928 | 0.889 | 548 | 821 | 757 | 1,136 |
6.0 | 4,089 | 0.893 | 572 | 859 | 792 | 1,187 | |
6.6 | 4,569 | 0.904 | 648 | 971 | 896 | 1,343 | |
8.0 | 5,680 | 0.930 | 828 | 1,243 | 1,146 | 1,718 | |
9.3 | 6,701 | 0.955 | 1,003 | 1,504 | 1,387 | 2,080 | |
12.7 | 9,321 | 1.000 | 1,460 | 2,190 | 2,020 | 3,029 | |
15.1 | 11,127 | 1.000 | 1,743 | 2,615 | 2,411 | 3,616 | |
318.5 | 6.0 | 4,891 | 0.878 | 672 | 1,009 | 930 | 1,396 |
6.9 | 5,754 | 0.892 | 804 | 1,206 | 1,112 | 1,668 | |
7.9 | 6,708 | 0.908 | 954 | 1,431 | 1,319 | 1,979 | |
10.3 | 8,971 | 0.946 | 1,329 | 1,994 | 1,838 | 2,758 | |
12.7 | 11,198 | 0.983 | 1,724 | 2,587 | 2,384 | 3,577 | |
14.3 | 12,662 | 1.000 | 1,983 | 2,976 | 2,743 | 4,115 | |
17.4 | 15,454 | 1.000 | 2,420 | 3,632 | 3,347 | 5,023 | |
355.6 | 6.4 | 5,904 | 0.875 | 809 | 1,214 | 1,119 | 1,679 |
7.9 | 7,512 | 0.897 | 1,055 | 1,583 | 1,459 | 2,190 | |
9.5 | 9,211 | 0.919 | 1,326 | 1,989 | 1,833 | 2,751 | |
11.1 | 10,894 | 0.942 | 1,607 | 2,412 | 2,223 | 3,335 | |
12.7 | 12,561 | 0.964 | 1,896 | 2,846 | 2,623 | 3,935 | |
16.0 | 15,948 | 1.000 | 2,497 | 3,748 | 3,454 | 5,183 | |
19.0 | 18,968 | 1.000 | 2,970 | 4,458 | 4,108 | 6,165 | |
406.4 | 6.4 | 6,765 | 0.866 | 917 | 1,377 | 1,269 | 1,904 |
7.9 | 8,612 | 0.884 | 1,192 | 1,789 | 1,649 | 2,472 | |
9.5 | 10,567 | 0.904 | 1,496 | 2,245 | 2,069 | 3,104 | |
12.7 | 14,427 | 0.943 | 2,130 | 3,197 | 2,947 | 4,422 | |
16.0 | 18,341 | 0.984 | 2,826 | 4,241 | 3,909 | 5,865 | |
19.0 | 21,839 | 1.000 | 3,420 | 5,132 | 4,730 | 7,098 | |
457.2 | 6.4 | 7,627 | 0.859 | 1,026 | 1,540 | 1,419 | 2,129 |
7.9 | 9,713 | 0.875 | 1,331 | 1,997 | 1,841 | 2,762 | |
9.5 | 11,922 | 0.893 | 1,667 | 2,502 | 2,306 | 3,460 | |
12.7 | 16,293 | 0.928 | 2,368 | 3,553 | 3,275 | 4,914 | |
14.3 | 18,455 | 0.948 | 2,786 | 4,181 | 3,853 | 5,782 | |
16.0 | 20,733 | 0.964 | 3,130 | 4,697 | 4,329 | 6,496 | |
19.0 | 24,711 | 0.996 | 3,854 | 5,784 | 5,331 | 7,999 | |
22.0 | 28,631 | 1.000 | 4,484 | 6,728 | 6,202 | 9,305 | |
508.0 | 6.4 | 8,488 | 0.853 | 1,134 | 1,701 | 1,568 | 2,353 |
7.9 | 10,814 | 0.867 | 1,468 | 2,203 | 2,031 | 3,047 | |
9.5 | 13,278 | 0.883 | 1,836 | 2,755 | 2,540 | 3,811 | |
12.7 | 18,160 | 0.915 | 2,602 | 3,905 | 3,599 | 5,400 | |
16.0 | 23,126 | 0.947 | 3,430 | 5,147 | 4,744 | 7,118 | |
19.0 | 27,582 | 0.977 | 4,220 | 6,333 | 5,837 | 8,758 | |
20.6 | 29,935 | 0.992 | 4,650 | 3,978 | 6,432 | 9,651 | |
22.0 | 31,981 | 1.000 | 5,008 | 7,516 | 6,927 | 10,394 | |
555.8 | 6.4 | 9,299 | 0.848 | 1,235 | 1,853 | 1,708 | 2,563 |
7.9 | 11,849 | 0.861 | 1,598 | 2,397 | 2,210 | 3,316 | |
9.5 | 14,554 | 0.876 | 1,997 | 2,996 | 2,762 | 4,144 | |
12.7 | 19,916 | 0.904 | 2,819 | 4,231 | 3,900 | 5,851 | |
16.0 | 25,377 | 0.934 | 3,712 | 5,570 | 5,134 | 7,703 | |
19.0 | 30,283 | 0.961 | 4,557 | 6,839 | 6,304 | 9,458 | |
22.0 | 35,133 | 0.987 | 5,430 | 8,149 | 7,511 | 11,270 | |
609.6 | 6.4 | 10,211 | 0.844 | 1,350 | 2,025 | 1,867 | 2,801 |
7.9 | 13,015 | 0.856 | 1,745 | 2,618 | 2,413 | 3,621 | |
9.5 | 15,990 | 0.869 | 2,176 | 3,265 | 3,010 | 4,516 | |
12.7 | 21,892 | 0.896 | 3,072 | 4,610 | 4,249 | 6,375 | |
16.0 | 27,911 | 0.923 | 4,034 | 6,054 | 5,580 | 8,373 | |
19.0 | 33,324 | 0.947 | 4,942 | 7,416 | 6,835 | 10,256 | |
22.0 | 38,680 | 0.972 | 5,888 | 8,835 | 8,144 | 12,219 | |
660.4 | 6.4 | 11,072 | 0.840 | 1,456 | 2,186 | 2,015 | 3,023 |
7.9 | 14,115 | 0.852 | 1,883 | 2,826 | 2,605 | 3,909 | |
9.5 | 17,346 | 0.864 | 2,347 | 3,522 | 3,246 | 4,871 | |
12.7 | 23,758 | 0.888 | 3,304 | 4,985 | 4,570 | 6,857 | |
16.0 | 30,304 | 0.913 | 4,333 | 6,502 | 5,993 | 8,992 | |
19.0 | 36,195 | 0.936 | 5,305 | 7,962 | 7,338 | 11,011 | |
711.2 | 6.4 | 11,934 | 0.838 | 1,566 | 2,350 | 2,166 | 3,250 |
7.9 | 15,216 | 0.848 | 2,021 | 3,032 | 2,795 | 4,194 | |
9.5 | 18,702 | 0.859 | 2,516 | 3,775 | 3,480 | 5,221 | |
12.7 | 25,625 | 0.882 | 3,539 | 5,311 | 4,895 | 7,345 | |
16.0 | 32,697 | 0.905 | 4,634 | 6,954 | 6,409 | 9,617 | |
22.0 | 45,380 | 0.947 | 6,730 | 10,099 | 9,308 | 13,967 | |
762.0 | 6.4 | 12,795 | 0.835 | 1,673 | 2,511 | 2,314 | 3,472 |
7.9 | 16,317 | 0.845 | 2,159 | 3,240 | 2,986 | 4,481 | |
9.5 | 20,058 | 0.856 | 2,689 | 4,035 | 3,719 | 5,580 | |
12.7 | 27,419 | 0.877 | 3,776 | 5,666 | 5,222 | 7,836 | |
16.0 | 35,090 | 0.898 | 4,935 | 7,405 | 6,825 | 10,241 | |
812.8 | 6.4 | 13,656 | 0.833 | 1,781 | 2,673 | 2,464 | 3,697 |
7.9 | 17,417 | 0.842 | 2,297 | 3,446 | 3,177 | 4,766 | |
9.5 | 21,413 | 0.852 | 2,857 | 4,287 | 3,952 | 5,929 | |
12.7 | 29,357 | 0.872 | 4,009 | 6,016 | 5,545 | 8,320 | |
16.0 | 37,482 | 0.892 | 5,236 | 7,857 | 7,242 | 10,866 | |
19.0 | 44,809 | 0.911 | 6,393 | 9,593 | 8,842 | 13,267 |
(腐食しろとして外周1mmを考慮した場合)
外径 φ(mm) |
厚さ (mm) |
杭軸有効 断面積 (mm²) |
低減率 Rc |
STK400・SKK400 | STK490・SKK490 | ||
---|---|---|---|---|---|---|---|
長期許容 圧縮強さ (kN) |
短期許容 圧縮強さ (kN) |
長期許容 圧縮強さ (kN) |
短期許容 圧縮強さ (kN) |
||||
139.8 | 4.5 | 48.3 | 0.925 | 7.0 | 10.5 | 10.0 | 15.0 |
6.0 | 66.8 | 0.978 | 10.2 | 15.4 | 14.0 | 21.0 | |
6.6 | 73.8 | 1.000 | 11.6 | 17.4 | 16.0 | 24.0 | |
165.2 | 4.5 | 68.6 | 0.905 | 9.7 | 14.6 | 13.0 | 20.0 |
5.0 | 77.7 | 0.921 | 11.2 | 16.8 | 16.0 | 23.0 | |
7.1 | 113.9 | 0.984 | 17.6 | 26.4 | 24.0 | 36.0 | |
190.7 | 5.3 | 112.2 | 0.912 | 16.0 | 24.1 | 22.0 | 33.0 |
7.0 | 152.4 | 0.957 | 22.9 | 34.3 | 32.0 | 47.0 | |
216.3 | 5.8 | 161.8 | 0.911 | 23.0 | 35.0 | 32.0 | 48.0 |
8.2 | 234.6 | 0.966 | 36.0 | 53.0 | 49.0 | 74.0 | |
10.3 | 294.1 | 1.000 | 46.0 | 69.0 | 64.0 | 96.0 | |
12.7 | 357.6 | 1.000 | 56.0 | 84.0 | 77.0 | 116.0 | |
267.4 | 5.8 | 251.4 | 0.889 | 35.0 | 53.0 | 48.0 | 73.0 |
6.0 | 261.2 | 0.893 | 37.0 | 55.0 | 51.0 | 76.0 | |
6.6 | 290.6 | 0.904 | 41.0 | 62.0 | 57.0 | 85.0 | |
8.0 | 357.5 | 0.930 | 52.0 | 78.0 | 72.0 | 108.0 | |
9.3 | 417.6 | 0.955 | 62.0 | 94.0 | 86.0 | 130.0 | |
12.7 | 566.3 | 1.000 | 89.0 | 133.0 | 123.0 | 184.0 | |
15.1 | 663.9 | 1.000 | 104.0 | 156.0 | 144.0 | 216.0 | |
318.5 | 6.0 | 374.9 | 0.878 | 51.6 | 77.4 | 71.3 | 107.0 |
6.9 | 438.6 | 0.892 | 61.3 | 91.9 | 84.7 | 127.2 | |
7.9 | 508.1 | 0.908 | 72.3 | 108.4 | 99.9 | 149.9 | |
10.3 | 669.3 | 0.946 | 99.2 | 148.8 | 137.1 | 205.8 | |
12.7 | 822.9 | 0.983 | 126.7 | 190.1 | 175.2 | 262.9 | |
14.3 | 921.2 | 1.000 | 144.3 | 216.5 | 199.5 | 299.4 | |
17.4 | 1,102.60 | 1.000 | 172.7 | 259.1 | 238.8 | 358.4 | |
355.6 | 6.4 | 506.2 | 0.875 | 69.4 | 104.1 | 95.9 | 144.0 |
7.9 | 638.6 | 0.897 | 89.7 | 134.6 | 124.1 | 186.2 | |
9.5 | 776 | 0.919 | 111.7 | 167.6 | 154.5 | 231.8 | |
11.1 | 909.5 | 0.942 | 134.2 | 201.4 | 185.6 | 278.5 | |
12.7 | 1,039.30 | 0.964 | 156.9 | 235.4 | 217.0 | 325.6 | |
16.0 | 1,295.20 | 1.000 | 202.8 | 304.4 | 280.6 | 421.0 | |
19.0 | 1,514.70 | 1.000 | 237.2 | 356.0 | 328.1 | 492.3 | |
406.4 | 6.4 | 665.9 | 0.866 | 90.3 | 135.5 | 124.9 | 187.4 |
7.9 | 841.4 | 0.884 | 116.5 | 174.8 | 161.1 | 241.8 | |
9.5 | 1,024.30 | 0.904 | 145.0 | 217.6 | 200.6 | 300.9 | |
12.7 | 1,376.60 | 0.943 | 203.3 | 305.1 | 281.2 | 421.9 | |
16.0 | 1,721.70 | 0.984 | 265.3 | 398.1 | 367.0 | 550.6 | |
19.0 | 2,020.10 | 1.000 | 316.4 | 474.7 | 437.6 | 656.5 | |
457.2 | 6.4 | 847.5 | 0.859 | 114.0 | 171.1 | 157.7 | 236.6 |
7.9 | 1,072.30 | 0.875 | 146.9 | 220.5 | 203.2 | 304.9 | |
9.5 | 1,307.00 | 0.893 | 182.8 | 274.3 | 252.8 | 379.3 | |
12.7 | 1,761.30 | 0.928 | 256.0 | 384.1 | 354.0 | 531.2 | |
14.3 | 1,980.90 | 0.948 | 299.1 | 448.8 | 413.6 | 620.6 | |
16.0 | 2,209.00 | 0.964 | 333.5 | 500.4 | 461.3 | 692.1 | |
19.0 | 2,598.40 | 0.996 | 405.3 | 608.2 | 560.6 | 841.1 | |
22.0 | 2,971.40 | 1.000 | 465.3 | 698.3 | 643.6 | 965.7 | |
508.0 | 6.4 | 1,051.00 | 0.853 | 140.4 | 210.7 | 194.2 | 291.4 |
7.9 | 1,331.10 | 0.867 | 180.7 | 271.2 | 250.0 | 375.1 | |
9.5 | 1,624.20 | 0.883 | 224.6 | 337.0 | 310.6 | 466.1 | |
12.7 | 2,193.40 | 0.915 | 314.3 | 471.6 | 434.7 | 652.3 | |
16.0 | 2,757.10 | 0.947 | 408.9 | 613.6 | 565.5 | 848.6 | |
19.0 | 3,249.60 | 0.977 | 497.2 | 746.1 | 687.7 | 1,031.9 | |
20.6 | 3,504.70 | 0.992 | 544.5 | 817.0 | 753.1 | 1,129.9 | |
22.0 | 3,723.70 | 1.000 | 583.1 | 875.1 | 806.6 | 1,210.2 | |
555.8 | 6.4 | 1,262.50 | 0.848 | 167.9 | 251.9 | 232.2 | 348.4 |
7.9 | 1,600.10 | 0.861 | 216.0 | 324.1 | 298.8 | 448.3 | |
9.5 | 1,954.10 | 0.876 | 268.1 | 402.3 | 370.8 | 556.3 | |
12.7 | 2,643.30 | 0.904 | 374.6 | 562.2 | 518.1 | 777.5 | |
16.0 | 3,328.30 | 0.934 | 487.3 | 731.3 | 674.1 | 1,011.4 | |
19.0 | 3,929.00 | 0.961 | 591.9 | 888.2 | 818.7 | 1,228.4 | |
22.0 | 4,509.20 | 0.987 | 698.4 | 1,048.0 | 966.0 | 1,449.4 | |
609.6 | 6.4 | 1,523.70 | 0.844 | 201.4 | 302.2 | 278.6 | 418.0 |
7.9 | 1,932.60 | 0.856 | 259.4 | 389.2 | 358.7 | 538.3 | |
9.5 | 2,361.90 | 0.869 | 321.8 | 482.9 | 445.1 | 667.8 | |
12.7 | 3,199.80 | 0.896 | 449.0 | 673.8 | 621.0 | 931.8 | |
16.0 | 4.035.60 | 0.923 | 583.3 | 875.3 | 806.8 | 1,210.6 | |
19.0 | 4,770.90 | 0.947 | 708.3 | 1,062.9 | 979.6 | 1,469.9 | |
22.0 | 5,483.40 | 0.972 | 834.7 | 1,252.5 | 1,154.5 | 1,732.3 | |
660.4 | 6.4 | 1,792.80 | 0.840 | 236.1 | 354.3 | 326.6 | 490.0 |
7.9 | 2,275.20 | 0.852 | 303.6 | 455.5 | 419.9 | 630.0 | |
9.5 | 2,782.40 | 0.864 | 376.5 | 564.9 | 520.7 | 781.3 | |
12.7 | 3,774.10 | 0.888 | 525.4 | 788.5 | 726.7 | 1,090.4 | |
16.0 | 4,766.00 | 0.913 | 682.2 | 1,023.7 | 943.5 | 1,415.7 | |
19.0 | 5,640.90 | 0.936 | 826.8 | 1,240.8 | 1,143.6 | 1,716.0 | |
711.2 | 6.4 | 2,083.90 | 0.838 | 273.5 | 410.4 | 378.2 | 567.5 |
7.9 | 2,465.80 | 0.848 | 351.8 | 527.9 | 486.5 | 730.0 | |
9.5 | 3,237.30 | 0.859 | 436.0 | 654.3 | 603.0 | 904.8 | |
12.7 | 4,395.80 | 0.882 | 607.2 | 911.1 | 839.8 | 1,260.1 | |
16.0 | 5,557.10 | 0.905 | 787.6 | 1,181.9 | 1,089.3 | 1,634.5 | |
22.0 | 7,538.50 | 0.947 | 1,125.8 | 1,689.4 | 1,557.2 | 2,336.5 | |
762.0 | 6.4 | 2,396.70 | 0.835 | 313.4 | 470.3 | 433.5 | 650.4 |
7.9 | 3,044.40 | 0.845 | 402.9 | 604.5 | 557.2 | 836.1 | |
9.5 | 3,726.60 | 0.856 | 499.6 | 749.7 | 691.0 | 1,036.8 | |
12.7 | 5,065.00 | 0.877 | 695.6 | 1,043.9 | 962.1 | 1,443.6 | |
16.0 | 6,409.00 | 0.898 | 901.3 | 1,352.5 | 1,246.6 | 1,870.5 | |
812.8 | 6.4 | 2,731.50 | 0.833 | 356.3 | 534.7 | 492.8 | 739.5 |
7.9 | 3,470.90 | 0.842 | 457.7 | 686.8 | 633.0 | 949.8 | |
9.5 | 4,250.40 | 0.852 | 567.1 | 851.0 | 784.4 | 1,176.9 | |
12.7 | 5,781.50 | 0.872 | 789.5 | 1,184.7 | 1,092.0 | 1,638.5 | |
16.0 | 7,321.70 | 0.892 | 1,022.8 | 1,534.8 | 1,414.6 | 2,122.6 | |
19.0 | 8,688.5 | 0.911 | 1,239.5 | 1,860.1 | 1,714.4 | 2,572.4 |