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1 PDF PDF PDF 21 PDF 21 PDF JIS C PDF 25 10 71 ==21321 IRnVAVQ 2 1 .. Q sm3 A 2m 2sin81D A)( = rad D m V sm n R m A/P P m DP21= I n 2001 n n D h A P 72 WPCF ASCE WPCF n 4 7 5 9

2 81% 93% 73 h/D h D 1 2 2 1 1 2 200mm 250mm 200mm 250mm 150mm 100mm 1 2 100mm 150mm 150mm 100mm 150mm 75 (1) rWrPMCC +=.

3 ( ) 2rwrPMCC += CM : (kN m/m) CP : (kN/m) r : (m) W : (kN/m) w : (kN/m/m) rWrPMBB += ..( ) 2rwrPMBB += BM : (kN m/m) BP : (kN/m) (2) 2rpkM = .. ( ) M : (kN m/m) k : p : (kN/m2) r : (m) rPB r Pc 76 (3) MMC= 2rkrWrPP += .. ( ) P : (kN/m2) CP : (kN/m) r : (m) W : (kN/m) k : (4) (a) k q q (a) (b) 77 () sinsin cos cossin sin cos 221213112232183 k ++=.

4 ( ) : (rad) : (rad) 0 0 k k 60 90 120 180 (b) k k 120 180 ()()()()() 2223212121316521163sincossincossinsincos coscos sin + + =k ()() sin221163 + ..( ) k 78 1 3 3rwkM = ..(1) + ++= 26144831258cossinsincossink ..(2) w kN/m3 (3) rWkrwkMd 22== ..(3) + ++= sinsincoscossin2231434652k ..(4) dw : (kN/m/m) W.

5 (kN/m) 2 2 1 2 Wd 79 k 60 90 k k 90 120 k k 120 180 k k Bc Bc 15~20cm ~ Bc 180 Bc 15~20cm ~ 90 Bc 90 Bc 15~20cm ~ 180 Bc 120 80 k 60 60 k k 90 90 k k 120 120 k k Bc+60cm Bc+60cm Bc 15~20cm ~ 90 H Bc+90cm Bc 15~20cm ~ 90 HBd = Bc+70cm Bc 15~20cm ~ H120 Bc Bc+20cm H120 Bc+90cm Bc 15~20cm ~ 120 HBd = Bc+70cm Bc+90cm Bc 15cm 120 HBd = Bc+70cm (40cm ) 81 M 2 ( ) 0 2 30 2 60 2 90 2 2 120 2 2 180 2 0 3 30 3 60 3 90 3 3 120 3 3 180 3 0 30 W 60 W 90 W W 120 W W 180 W + 1 2 : (kN m/m) : (kN/m2) : (m) : ( ) W : (kN/m) 1, 2 : (kN/m2) C : p W p r 2 2 r 2 r 2 r 2 r 2 r W 1 2 r p1 2 82 45 I lp l = (1+ i).

6 ( ) l (kN/m2) ( 100kN) (m) i (m) i 0 1m 4m =45 ( +2 ) 83 kN/m2 (m) 100kN (kN) (m) (kN) 1 2 1 b2 C (m) d (m) a (m) K K12B (14ton) CS125 1) C d 2 =30 d H 1 P =30 a 84 .. 2) ..( ) 3) .. ( ) l1 (kN/m2) ( ) =30 a C b1 d b 1+2 tan 1+2 tan l1 1 ( 1+2 tan )( +2 tan ) l2 l1 2 =30 P2 b2 H l3 2 ( 2+2 tan )( +2 tan ) C +2 tan l4 l2 + l3 85 BD2 JII BD3C D5G D65 12E D85A 21E D155AX 5 (kN) (mm) 300 405 510 510 560 560 (m) (m) (kPa) D65-12E H H.

7 ( ) H l (kN/m2) (kN) i : : l : 2 : b 2 a a l 2 =30 =30 l ( + )( + ) (1+i) l ( + )( + ) 2 (1+i) 86 24 11 87 (1) cddeBBCp2 =.

8 ( ) 'KeCH'd 21 = dB'K' 2= ++ +=1122K ep : (kN/m2) : (kN/m3) dB : (m) cB : (m) ' : 'tan = : tan= =' K : H : (m) e : (2) BcCcpe = ..( ) HeH KeCcH21 = HeH> HeHeeBcHeBcHKeCc + =21 BcK 2= He Bc Bd HH Bc Hep'Bc88 1'22+= pKBcHeKeHe ..( ) He : (m) : 'p : ~ 70.'p= 50.'p= 30 K He Cc He Cc HeH HeH> 70.'p= 50.'p= = = = ( ) 0 89 (3) BcB Cpdne2 =.

9 ( ) HeH KeCHn21 = .. ( ) HeH> HeddHeneBHeBHKeC + =21 .. ( ) dBK 2= He + KB'HeB'HeB'HB'HeKeKB'HeB'Hdddd'Hedd21212 121 + = 'Hedd'HeeB'HeB'HKe'p 2132 ..( ) dB'pH'H = dB'pHe'He = nC p H H H He nC K Bd=Bc+ (m) Bc H HeH'He'Bd p'Bd90 H nC p H nC > += > += > += > += 91 H (m) tan21cdBBH = (m) , tan2cbBBBH = (m) bB (m) CB (m) dB (m) eB (m) , 3~1eB =24501 tan lBe ,(){}22/2/452 tan + = BBBcde,()()22/4513 tancos ++ = BBBB cbde 0l (m) 1 2 ( ) ( ) B Bc B Bc H H H H H HB HB H H H H H H H H B Bc Be Bd Bb HB H H H H H HB Bd Bb Be Bd Bc HB H H H H H HB HB H H H H H HB Be Bd Bc H H H H B Bc Be Bd Bc Be Bd Bc H H H H Be Bd Bc H H H H Be Bd Bc H H H H.

10 (1),1) ..(1),2), ..(1),2), ..(2),1), ..(2),1), (2),2), (2),2), (2),2), 92 (1) 1) 1HH BCD'D'C'B w ()(){}312111 tan ddHdCdHdCBCCHBCBBw ++= ..( ) tan 21 CdBBH = KBHKCdd2)2exp(1 = KBHKCddH22exp111 = ()sin tan CBKHAA011222+= ()cos ++=121022gCEBKA D D H H1 C C Bd Bc A A B B 93 =sin cBEK =tan HEK ()()sin CcdBKBBAA01333 += ()cos ++=121023gCEBKA =sin CBEK 430023030 =. w (kN/m2) H (m) dB (m) CB (m) ( ) 21( ) ( ) (kN/m3) K ( tan2(45 )) ( tan ) ( ) gE 30cm (kN/m2) 0E 30cm (kN/m2) 32 , 01K (kN/m3) 02K (kN/m3) 2 94 2) CbBB w 1 HHHB () ()(){}[]11 CBdHBdBCdHBdCHHBcCCHBCBBw tan tan ++ ++=.