7/25/2019 columnas a flexocompresin.xlsx
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Columna con 4 barras (1 en cada esquina)
Dimensiones (m) Base b= 0.25 m
Altura h= 0.25 m
recubrimiento r= 0.025 m
resis concreto (Mpa) f'c= 21 Mparesis acero (Mpa) fy= 420
Mpa
Acero a compresin As'= 4.02 cm2
Acero a traccion As= 4.02 cm2
Diam! Barra D= 16 mm
"ensin acero a compresin= f's(inicial)= 444.88Mpa
f's= 420Mpa
#ncremento de c c= 0.03 m
c a fs' (inicial) f's
0.008 0.0065 -1989.2 -1989.2
0.038 0.032 74.1 74.1
0.068 0.0575 307.3 307.3
0.098 0.083 397.2 397.2
cb= 0.128 0.1085 444.9 420.00.158 0.134 474.4 420.0
0.188 0.1595 494.5 420.0
0.218 0.185 509.0 420.0
0.248 0.2105 520.0 420.0
0.278 0.236 528.7 420.0
0.308 0.2615 535.6 420.0
0.338 0.287 541.4 420.0
0.368 0.3125 546.1 420.0
0.398 0.338 550.2 420.0
0.428 0.3635 553.7 420.0
0.458 0.389 556.7 420.0
0.488 0.4145 559.4 420.0
0.518 0.44 561.8 420.0
7/25/2019 columnas a flexocompresin.xlsx
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As min= 0.000625 m2
6.25 cm2
%s= 200000Mpaeu= 0.003
0.000402m2 d= 0.217 m
0.000402m2 cb= 0.128 m
ab= 0.1085 m
&nb= 484181 "
Mnb= 65322.383 ".m
fs(inicial) fs #n Mn M #
16426.2 420.0 -939504.5 -54504.92 -30522.76 -526122.53
2858.4 420.0 3733.1 33837.608 18949.06 2090.55
1324.7 420.0 211290.1 51595.772 28893.633 118322.455
733.4 420.0 361233.5 61151.75 34244.98 202290.773
420.0 420.0 484181.3 65322.383 36580.535 271141.5 (n$m%&o
%225.9 225.9 676005.0 58570.35 32799.396 378562.8
93.9 93.9 842878.7 51211.979 28678.708 472012.082
-1.8 -1.8 995119.6 42298.09 23686.93 557266.965
-74.3 -74.3 1138045.5 31339.438 17550.085 637305.461
-131.1 -131.1 1274675.8 18058.232 10112.61 713818.475
-176.8 -176.8 1406852.4 2285.0348 1279.6195 787837.361
-214.4 -214.4 1535762.4 -16089.37 -9010.049 860026.932
-245.9 -245.9 1662205.4 -37138.56 -20797.59 930835
-272.6 -272.6 1786739.7 -60913.9 -34111.78 1000574.25
-295.5 -295.5 1909767.2 -87452.33 -48973.31 1069469.61
-315.5 -315.5 2031584.0 -116781.1 -65397.44 1137687
-333.0 -333.0 2152413.7 -148920.9 -83395.68 1205351.67
-348.5 -348.5 2272427.9 -183887.3 -102976.9 1272559.6
1500000
