Vorm-actieve constructies. Vrije Universiteit Brussel, Afdeling ...
Vorm-actieve constructies. Vrije Universiteit Brussel, Afdeling ...
Vorm-actieve constructies. Vrije Universiteit Brussel, Afdeling ...
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<strong>Vrije</strong> <strong>Universiteit</strong> <strong>Brussel</strong> <strong>Vorm</strong>-<strong>actieve</strong> <strong>constructies</strong>. 03/01/09<br />
Langste spankabel:<br />
Fig. 403. Krachten onder windlast [kN].<br />
FROM TO FORCE STRESSED FORCE STIFFNESS ELEVATION UNSTRESSED<br />
(Tsmax) LENGTH DENSITY ANGLE(α) LENGTH<br />
41073101 41073102 7.6118 1.1296 6.7386 2000.00 29.9216 1.1253<br />
41073102 41073103 7.5203 1.1098 6.7765 2000.00 26.1414 1.1056<br />
41073103 41073104 7.4419 1.0800 6.8906 2000.00 20.2771 1.0760<br />
41073104 41073105 7.3980 1.0515 7.0359 2000.00 15.2869 1.0476<br />
41073105 41073106 7.3784 1.0304 7.1608 2000.00 9.1921 1.0266<br />
41073106 41073107 7.3626 1.0192 7.2236 2000.00 3.3561 1.0155<br />
41073107 41073108 7.3640 1.0183 7.2314 2000.00 -2.5409 1.0146<br />
41073108 41073109 7.3832 1.0280 7.1822 2000.00 -7.7118 1.0242<br />
41073109 41073110 7.4053 1.0475 7.0698 2000.00 -14.3676 1.0436<br />
41073110 41073111 7.4412 1.0751 6.9215 2000.00 -19.8171 1.0711<br />
41073111 41073112 7.5117 1.1050 6.7977 2000.00 -25.2740 1.1009<br />
41073112 41073113 7.6132 1.1299 6.7381 2000.00 -29.5615 1.1256<br />
=> Hbsmax = 6.622 kN<br />
Langste draagkabel:<br />
FROM TO FORCE STRESSED FORCE STIFFNESS ELEVATION UNSTRESSED<br />
(Tbd) LENGTH DENSITY ANGLE(α) LENGTH<br />
41013107 41023107 2.4114 1.1255 2.1425 1000.00 -26.2826 1.1228<br />
41023107 41033107 2.3071 1.1056 2.0866 1000.00 -25.5778 1.1031<br />
41033107 41043107 2.1376 1.0760 1.9867 1000.00 -23.5031 1.0737<br />
41043107 41053107 1.9449 1.0474 1.8568 1000.00 -16.9414 1.0454<br />
41053107 41063107 1.7956 1.0263 1.7495 1000.00 -11.1114 1.0245<br />
41063107 41073107 1.7193 1.0151 1.6936 1000.00 -4.7341 1.0134<br />
41073107 41083107 1.7090 1.0143 1.6848 1000.00 3.3404 1.0126<br />
41083107 41093107 1.7682 1.0239 1.7269 1000.00 10.1204 1.0221<br />
41093107 41103107 1.8916 1.0435 1.8128 1000.00 16.6969 1.0415<br />
41103107 41113107 2.0712 1.0710 1.9339 1000.00 22.3654 1.0688<br />
41113107 41123107 2.2548 1.1010 2.0480 1000.00 24.7869 1.0985<br />
41123107 41133107 2.3840 1.1257 2.1178 1000.00 26.3578 1.1230<br />
=> Hbd = 2.136 kN<br />
Centraal knooppunt:<br />
NODES COORDINATES COORDINATE CHANGES APPLIED FORCES RESIDUAL FORCES<br />
POINTNO. X Y Z DX DY DZ RX RY RZ U V W<br />
41073107 4.999 4.884 2.492 -0.000 0.000 -0.007 0.00 0.00 0.52 0.00 0.00 0.00<br />
=> fs = 2.492 m !!!!<br />
fd = 2.508 m !!!!<br />
Uit de volgende figuur blijkt dat het punt in het midden zich<br />
nauwelijks verplaatst.<br />
Fig. 404. Grafische voorstelling van de verplaatsingen onder windzuiging.<br />
Vaste knooppunten, met hun coördinaten en de reactiekrachten:<br />
NODES COORDINATES COORDINATE CHANGES APPLIED FORCES RESIDUAL FORCES<br />
POINTNO. X Y Z DX DY DZ RX RY RZ U V W<br />
99000001 0.00 0.00 5.00 0.00 0.00 0.00 0.035 0.035 0.087 60.23 60.24 -46.23<br />
99000002 0.00 10.00 0.00 0.00 0.00 0.00 -0.040 0.040 0.100 77.21 -77.19 64.41<br />
99000003 10.00 10.00 5.00 0.00 0.00 0.00 -0.040 -0.040 0.100 -60.27 -60.26 -46.25<br />
99000004 10.00 0.00 0.00 0.00 0.00 0.00 0.035 -0.035 0.087 -77.19 77.21 64.41<br />
Prof. M. Mollaert 218
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