老师您好,在针对日本规范AIJ 05,执行分析之后,我想要判断是否所有杆件符合挠跨比250,但是并没有在output里找到DFF这一值的output,另外想请问图1 红框里的Ratio指代的是什么呢?谢谢
以下附上我的command file
STAAD SPACE DXF IMPORT OF BF2.DXFSTART JOB INFORMATIONENGINEER DATE 23-Nov-21END JOB INFORMATIONSET Z UPINPUT WIDTH 79UNIT METER KNJOINT COORDINATES1 13508.6 -13508.6 -13450; 2 13508.6 -13508.6 -13437.5;3 13507.4 -13507.4 -13435.9; 4 13508.6 -13517.7 -13450;5 13508.6 -13517.7 -13437.5; 6 13507.4 -13518.9 -13435.9;7 13518.9 -13518.9 -13435.9; 8 13517.7 -13517.7 -13437.5;9 13517.7 -13517.7 -13450; 10 13517.7 -13508.6 -13450;11 13517.7 -13508.6 -13437.5; 12 13518.9 -13507.4 -13435.9;13 13507.4 -13513.2 -13435.9; 14 13513.2 -13507.4 -13435.9;15 13518.9 -13513.2 -13435.9; 16 13513.2 -13518.9 -13435.9;17 13504.1 -13504.1 -13436.1; 18 13502.2 -13502.2 -13436.3;19 13504.1 -13522.2 -13436.1; 20 13502.2 -13524.1 -13436.3;21 13522.2 -13522.2 -13436.1; 22 13524.1 -13524.1 -13436.3;23 13522.2 -13504.1 -13436.1; 24 13524.1 -13502.2 -13436.3;25 13504.1 -13507.4 -13436.1; 26 13502.2 -13507.4 -13436.3;27 13504.1 -13513.2 -13436.1; 28 13502.2 -13513.2 -13436.3;29 13504.1 -13518.9 -13436.1; 30 13502.2 -13518.9 -13436.3;31 13522.2 -13507.4 -13436.1; 32 13524.1 -13507.4 -13436.3;33 13522.2 -13513.2 -13436.1; 34 13524.1 -13513.2 -13436.3;35 13522.2 -13518.9 -13436.1; 36 13524.1 -13518.9 -13436.3;37 13518.9 -13504.1 -13436.1; 38 13518.9 -13502.2 -13436.3;39 13513.2 -13504.1 -13436.1; 40 13513.2 -13502.2 -13436.3;41 13507.4 -13504.1 -13436.1; 42 13507.4 -13502.2 -13436.3;43 13518.9 -13522.2 -13436.1; 44 13518.9 -13524.1 -13436.3;45 13513.2 -13522.2 -13436.1; 46 13513.2 -13524.1 -13436.3;47 13507.4 -13522.2 -13436.1; 48 13507.4 -13524.1 -13436.3;49 13504.1 -13504.1 -13437.3; 50 13507.9 -13504.1 -13437.3;51 13504.1 -13507.9 -13437.3; 52 13522.2 -13504.1 -13437.3;53 13522.2 -13507.9 -13437.3; 54 13518.4 -13504.1 -13437.3;55 13522.2 -13522.2 -13437.3; 56 13518.4 -13522.2 -13437.3;57 13522.2 -13518.4 -13437.3; 58 13504.1 -13522.2 -13437.3;59 13504.1 -13518.4 -13437.3; 60 13507.9 -13522.2 -13437.3;61 13507.4 -13513.2 -13438.6; 62 13513.2 -13518.9 -13438.6;63 13518.9 -13513.2 -13438.6; 64 13513.2 -13507.4 -13438.6;MEMBER INCIDENCES1 1 2; 2 2 3; 3 4 5; 4 5 6; 5 7 8; 6 8 9; 7 10 11; 8 11 12; 9 3 13; 10 6 13;11 12 14; 12 3 14; 13 7 15; 14 12 15; 15 6 16; 16 7 16; 17 3 17; 18 17 18;19 19 20; 20 6 19; 21 21 22; 22 7 21; 23 23 24; 24 12 23; 25 25 26; 26 3 25;27 27 28; 28 13 27; 29 29 30; 30 6 29; 31 31 32; 32 12 31; 33 33 34; 34 15 33;35 35 36; 36 7 35; 37 37 38; 38 12 37; 39 39 40; 40 14 39; 41 41 42; 42 3 41;43 43 44; 44 7 43; 45 45 46; 46 16 45; 47 47 48; 48 6 47; 49 18 26; 50 26 28;51 28 30; 52 20 30; 53 24 38; 54 38 40; 55 40 42; 56 18 42; 57 22 36; 58 34 36;59 32 34; 60 24 32; 61 20 48; 62 46 48; 63 44 46; 64 22 44; 65 2 49; 66 2 50;67 2 51; 68 11 52; 69 11 53; 70 11 54; 71 8 55; 72 8 56; 73 8 57; 74 5 58;75 5 59; 76 5 60; 77 58 59; 78 58 60; 79 55 56; 80 55 57; 81 52 53; 82 52 54;83 49 50; 84 49 51; 85 28 61; 86 26 61; 87 30 61; 88 46 62; 89 48 62; 90 44 62;91 34 63; 92 36 63; 93 32 63; 94 40 64; 95 38 64; 96 42 64; 97 11 64; 98 2 64;99 2 61; 100 5 61; 101 5 62; 102 8 62; 103 8 63; 104 11 63; 105 18 49;106 42 50; 107 26 51; 108 24 52; 109 32 53; 110 38 54; 111 22 55; 112 44 56;113 36 57; 114 20 58; 115 30 59; 116 48 60; 117 14 64; 118 15 63; 119 16 62;120 13 61; 121 11 15; 122 8 15; 123 15 32; 124 15 36; 125 11 14; 126 14 42;127 14 38; 128 2 14; 129 2 13; 130 5 13; 131 13 30; 132 13 26; 133 5 16;134 8 16; 135 16 44; 136 16 48; 137 12 52; 138 23 52; 139 7 55; 140 3 49;141 6 58; 142 19 58; 143 21 55; 144 17 49;START GROUP DEFINITIONMEMBER_FLOOR 9 TO 16 25 TO 44 47 TO 64JOINTFLOOR_FLOOR2 9 TO 16 25 TO 64_FLOOR5 9 TO 16END GROUP DEFINITIONDEFINE MATERIAL STARTISOTROPIC STEELE 1.99947e+08POISSON 0.3DENSITY 76.8191ALPHA 6.5e-06DAMP 0.03TYPE STEELSTRENGTH RY 1.5 RT 1.2END DEFINE MATERIALMEMBER PROPERTY CHINESE1 3 6 7 TABLE ST HW400X4002 4 5 8 TO 144 TABLE ST HW250X250CONSTANTSMATERIAL STEEL ALLSUPPORTS1 4 9 10 PINNEDDEFINE REFERENCE LOADSLOAD R1 LOADTYPE Mass TITLE MASSSELFWEIGHT Z 1 LOAD R2 LOADTYPE Dead TITLE DLFLOOR LOADZRANGE -13449 0 FLOAD -1 GZLOAD R3 LOADTYPE Live TITLE LLFLOOR LOADZRANGE -13449 0 FLOAD -1 GZLOAD R4 LOADTYPE Dead TITLE DL2FLOOR LOADZRANGE -13449 -1337 FLOAD -1 GZLOAD R5 LOADTYPE Dead TITLE DL5FLOOR LOAD_FLOOR2 FLOAD -1 GZ INCLINED_FLOOR5 FLOAD -1 GZ INCLINEDEND DEFINE REFERENCE LOADSLOAD 1 LOADTYPE Dead TITLE DLREFERENCE LOADR2 1.0 LOAD 2 LOADTYPE Live TITLE LLREFERENCE LOADR3 1.0 LOAD 3 LOADTYPE Dead TITLE DL2REFERENCE LOADR4 1.0 LOAD 4 LOADTYPE Dead TITLE DL4REFERENCE LOADR5 1.0 PERFORM ANALYSIS PRINT MODE SHAPESDEFINE ENVELOPE4 ENVELOPE 1 TYPE STRENGTH1 TO 3 ENVELOPE 2 TYPE SERVICEABILITYEND DEFINE ENVELOPELOAD LIST ENV 1PARAMETER 1CODE JAPANESE 2005DFF 250 ALLDJ1 22 MEMB 61 TO 64DJ2 20 MEMB 61 TO 64TRACK 2 ALLCHECK CODE ALLFINISH
您的问题已收到,明天上班时间我回复下。
您的这个模型执行并没有执行挠度检验,请您按照标准加法进行挠度添加:可以看下以下这三个帖子:
https://communities.bentley.com/communities/other_communities/chinafirst/w/chinawiki/35248/staad-deflection-check
https://communities.bentley.com/communities/other_communities/chinafirst/w/chinawiki/19814/staad
https://communities.bentley.com/communities/other_communities/chinafirst/w/chinawiki/27045/staad
您需要首先添加包络,然后在Design定义中定义上DFF ,DJ1和DJ2,然后后处理文件中才会有相应的挠度检验;
而您图片中的Ratio就是比例,ratio=γoS /R, (具体可以看下规范,S是承载能力效应值,R是承载能力设计值,ro是系数;这些都是最基本的规范概念,建议阅读规范)而您下图中Ratio=0.506,的验算条款是公式5.24,这个值取得是下图中框中所有比例中的最值,应该是最后一个Von Mises的比例值;这些也都是各国约定成俗的最基本的理念了。
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Answer Verified By: 尧 余