娣峰嚌鍦熻瘯鍧楁姌绠椾负
28
澶╁己搴?/p>
鐮煎悇榫勬湡寮哄害鐨勫闀垮�?/p>
榫勬湡
搴﹀搴斿�?/p>
7
澶?/p>
28
澶?/p>
3
鏈?/p>
1.25
6
鏈?/p>
1.5
1
骞?/p>
1.75
2
骞?/p>
2
5
骞?/p>
2.25
20
骞?/p>
3
涓?/p>
28
澶╁己
0.6-0.75 1
鐮煎己搴︾殑鍙戝睍
,
澶ц嚧涓庡叾榫勬湡鐨勫鏁版垚姝ｆ瘮鍏崇郴
Rn=R28*lgn/lg28
寮忎腑锛?/p>
Rn鈥曗�昻
澶╅緞鏈熺殑鎶楀帇寮哄害锛堝叕鏂わ紡鍘樼背
2
锛?/p>
R28鈥曗�?8
澶╅緞鏈熺殑鎶楀帇寮哄害锛堝叕
鏂わ紡鍘樼背
2
锛?/p>
Lgn
銆?/p>
lg28
锛?/p>
n(n
鈮?/p>
3)
鍜?/p>
28
澶╃殑甯哥敤瀵规暟銆?/p>
娉細姝ゅ叕寮忎粎閫傜敤浜庢櫘閫氭按娉ュ埗鎴愮殑鐮煎湪鏍囧噯鏉′欢涓嬪吇鎶わ紝涓旈緞鏈熶笉灏忎簬
3
澶╃殑
鎯呭喌锛屽洜鐮煎己搴︾殑褰卞搷鍥犵礌寰堝锛屽己搴︾殑澧為暱涓嶅彲鑳戒竴鑷达紝鏁呮鍏紡鍙兘浣滀负鍙?/p>
鑰冦�?/p>
鎺ㄧ畻
28
澶╁己搴︽暟鍊?/p>
Rn=R28*lgn/lg28
锛?/p>
25
鈩?/p>
卤
5
鈩冿級
澶╂暟
3 4 5 6 7 8 9
lgn/lg28
鍊?/p>
澶╂暟
0
锛?/p>
329 0
锛?/p>
416 0
锛?/p>
483 0
锛?/p>
539 0
锛?/p>
584 0
锛?/p>
624 0
锛?/p>
66
10 11 12 13 14 15 16
lgn/lg28
鍊?/p>
澶╂暟
0
锛?/p>
693 0
锛?/p>
72 0
锛?/p>
746 0
锛?/p>
77 0
锛?/p>
791 0
锛?/p>
813 0
锛?/p>
832
17 18 19 20 21 22 23
lgn/lg28
鍊?/p>
澶╂暟
0
锛?/p>
851 0
锛?/p>
867 0
锛?/p>
883 0
锛?/p>
899 0
锛?/p>
914 0
锛?/p>
928 0
锛?/p>
941
24 25 26 27 28 29 30
lgn/lg28
鍊?/p>
0
锛?/p>
954 0
锛?/p>
966 0
锛?/p>
978 0
锛?/p>
989 1 1
锛?/p>
011 1
锛?/p>
021
娓╁害鍗庢皬涓庢憚姘忕殑鎹㈢畻锛?/p>
F
锛?/p>
C*5
锛?/p>
9
锛?/p>
32
钂稿吇蹇�熸帹寮哄叕寮?/p>
R28
鎶楀帇锛?/p>
14.591
锛?/p>
1.862* R3
鎶楀帇
R28
鎶楁姌
=2.918+1.728* R3
鎶楁姌
鐮煎彈鍘嬪脊鎬фā閲?/p>
鐮兼爣鍙?/p>
15
20 2.7
25 2.9