Transcription of 鉄筋コンクリート構造資料集 - Kanagawa U
1 2019 1 2 3 4 5 FcEc (N/mm2) SR235 155 155 235 235 SR295 155 195 295 295 SD295A B 195 195 295 295 SD345 215 *195 195 345 345 SD390 215 *195 195 390 390 SD490 215 *195 195 490 490 195 195 **295 295 *D29 ** (N/mm2) (2010) cF31 cF301 2 cF N/mm2 cF151 cF101 cF1004 cF1006 1) 300mm (N/mm2)
2 Fb cF 1 300mm 2 Fc N/mm2 3 6 1. 1(a) 0 1(b)
3 C T 2 b d at xn c s n=Es/Ec nnscxdx cccE nncsxxd nnccsssxxdnEE ( ) C T 22nccncxbExbC tnncctsstsaxxdnEaEaT ( ) T=C tnnccnccaxxdnExbE 2 pt=at/bd xn 02222 dnpdxnpxtntn ( ) ttttttnnpnpnpddnpdnpdnpx2)(2)(222 ( ) xn pt n C T j( ) 3nxdj ( ) j d pt 3 7/8d 1 (a) D b t c s (b)
4 C D b CTts 2 at b d' d nnscxdx xn nncsxxd d-xn sssE TCcccE xn 1 ( d)n=10n=157/8d 3 7 2. (ft) 4 T=at ft j=d-xn/3 Ma 3nttxdfajTMa ( ) pt=at/bd xn 212232)(1bdKbdnpnpnpfpMattttt ( ) 32)(121tttttnpnpnpfpK ( ) (fc) 5 C= fc b xn/2 Ma 32nncxdxfbjCMa ( )
5 22bdKMa ( ) 32)(122)(222ttttttcnpnpnpnpnpnpfK ( ) 2 KbdMa ( ) K K1 K2 K n=10, ft=345N/mm2, fc=16N/mm2 pt 6 K1 pt K2 pt K1 K2 K pt pt K1 K2 pt ptb K1=K2 pt=ptb 22)(2 tbtbtbcttbnpnpnpffp ( ) tbtbtbcttbnpnpnpffp 2)(22 nptb tbtbtbcttbnpnpnpffp2)
6 (222 0 1 6 K pt 5 at b d' d cccEf/ xn d-xn sssE T2ncbxfC ccf xn nncsxxd 4 at b d' d nnscxdx xn stsEf/ d-xn tsf ttfaT CcccE xn 8 112 ctcttbnffffp ctcttbnffffp121 ( ) pt ptb 6 K1 pt Ma=T j= at ft j j 3 j=(7/8)d dfajfajTMatttt)8/7( ( ))
7 3 7 8(b) 7(a) - 90 8(b) y y (b) 7 - (a) - B 3/2B 3/B staT bxkCnB B 9 ysssE 8 at b d' d c xn nnsxxa d-xn ysssE TCxn (a) (b) (c)
8 K1 xn ACI k1 k1 B 28N/mm2 k1 28 B 56N/mm2 k1 B 56N/mm2 psi SI 9 C T xn 9 B k1 xn k1 B=24N/mm2 C= B k1 xn b y T a y T a y = B k1 xn b = C baxkBytn ( ) xn Mu badaxkdajTMuBytytnyt ( ) 8 nnsxxd ( ) nnssssxxdEE tsnnstaExxdaT tsnnnBaExxdxbk daExaEbxktsntsnB xn xn Mu ( )
9 , , pt ptbu y= y / Es xn dxyn ( ) ys ytaT ytnBaxbk ynBtxbka ( ) ptbu=at/bd yyBtbukp ( ) T j 10 j=d-k1 xn/2 j pt j pt 1% Mu Mu = at y j = at y ( ) 10 ( d)
10 Y/ B=5 y/ B=15 y/ B=1010 M 1 D d at ac dc dt xn j s t c ft fc a s t c c 2 a pt ptb b
