20 《地基》第一～四章课件.pdf

   ω   ω= / 100%   ! ω #$  L %()*+,-./0+,12$345#$6 ω *$  P %(7,-.)*+,12$345*$6 *89I : P I =ω -ω ( 13% 13 P L P :;=? @ A #89I : L I =(ω-ω )/( ω -ω )= (ω-ω )/ I L P L P P P e BCD  e= / 100% BC E  ! E F GHIJKLGH 1 2 3 4 5 6 MNO MNOPQ MRPSQ MNOPRQ MNOPSQ MNO PRPSQ TUVWX 13 YZ[\]^_`abcd 0.05mm 1!550%e ω=39.0%e#$ω =28.9%e*$ω =18.9%efghCDe=1.056 L P ijek_`almnopqr4s5tuv Aewx Bew Ceyzw Deyzw% { І =ω -ω =28.9%-18.9%=10 P L P bcd 0.05mm 1!550%e|b}d0.075mm 1!~ g€50%6 (‚_`ƒ4.1.11 )„ …†RQ‡ˆ6 ‰Š(‚_`ƒ4.1.12 )„ ω=39.0%#$ω =28.9% L 1.0BCDe=1.051.5 …†NOPQ‡ˆ‹ C ŒŽ eyzw6 , ‘’“NOPRQ NOP”QMNOPRP”Q•–—˜™š‹ C ›œžŸ ¡¢£¤¥¦§¨© ª«¬­®¯°±²  D ³ ´µ¶·¸¹º»¼½´µ¾¿ÀÁÂÃÄ0.25-0.50 ¶ÅÆÇÈÉÊËÌ s s ÍÇÎÏÐÑÒÓÔÕÖ×ØÕÙ ÚÛÜÝÙ ÚÞßÙà Û ÞßÚáâ¿ ãäÖ×ÈÕÑåæçè ´µ¶·¸¹º»éê 1 p-s a P 2P ¿ë ÞßÓì