<
From version < 24.1 >
edited by IwonaBudny
on 2018/12/04 15:16
To version < 25.1 >
edited by IwonaBudny
on 2018/12/04 15:16
>
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6 6  FEM-Design performs design calculations for reinforced concrete-, steel- and timber structures according to Eurocode. The following design considers EC2 (standard) and the National Annex (NA) for Denmark, Finland, Germany, Hungary, Romania, Norway, Sweden, Poland and United Kingdom.
7 7  
8 8  
9 -= {{id name="Design forces"/}}Design forces =
9 += {{id name="Design forces"/}}{{id name="Design forces"/}}Design forces =
10 10  
11 11  
12 12  The design forces are the forces that the reinforcements should be designed for in the reinforcement directions. The term design forces have meaning only in surface structures like plate, wall or 3D plate. In beam structures the design forces are equivalent to the internal forces. The necessary reinforcement calculations are based on the design forces.
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131 131  == Ultimate limit state ==
132 132  
133 133  (% style="text-align: justify;" %)
134 -The design of the slab is performed with respect to the design moments described in Design forces.
134 +The design of the slab is performed with respect to the design moments described in [[Design forces>>doc:||anchor="Design forces"]].
135 135  
136 136  (% style="text-align: justify;" %)
137 137  In order to minimize cracking in the slab a good way is to reinforce according to the elastic moments which normally also leads to good reinforcement economy. The required bending reinforcement is designed according to EC2 3.1.7, where a rectangular stress distribution as shown below has been assumed.
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181 181  
182 182  == Longitudinal reinforcement ==
183 183  
184 -(% lang="EN-US" style="font-size: 11pt; font-family: ~"Calibri~", ~"sans-serif~"; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt" %)**Analysi**(% lang="EN-US" style="font-size: 11pt; font-family: ~"Calibri~", ~"sans-serif~"; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"" %)**s **(% lang="EN-US" style="font-size: 11pt; font-family: ~"Calibri~", ~"sans-serif~"; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt" %)**o**(% lang="EN-US" style="font-size: 11pt; font-family: ~"Calibri~", ~"sans-serif~"; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"" %)**f **(% lang="EN-US" style="font-size: 11pt; font-family: ~"Calibri~", ~"sans-serif~"; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; letter-spacing: -0.05pt" %)**secon**(% lang="EN-US" style="font-size: 11pt; font-family: ~"Calibri~", ~"sans-serif~"; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"" %)**d **(% lang="EN-US" style="font-size: 11pt; font-family: ~"Calibri~", ~"sans-serif~"; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; letter-spacing: -0.05pt; letter-spacing: -0.05pt" %)**orde**(% lang="EN-US" style="font-size: 11pt; font-family: ~"Calibri~", ~"sans-serif~"; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"" %)**r **(% lang="EN-US" style="font-size: 11pt; font-family: ~"Calibri~", ~"sans-serif~"; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; letter-spacing: -0.05pt; letter-spacing: -0.05pt; letter-spacing: -0.05pt" %)**effect**(% lang="EN-US" style="font-size: 11pt; font-family: ~"Calibri~", ~"sans-serif~"; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"" %)**s **(% lang="EN-US" style="font-size: 11pt; font-family: ~"Calibri~", ~"sans-serif~"; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; letter-spacing: -0.05pt; letter-spacing: -0.05pt; letter-spacing: -0.05pt; letter-spacing: -0.05pt" %)**wit**(% lang="EN-US" style="font-size: 11pt; font-family: ~"Calibri~", ~"sans-serif~"; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"" %)**h **(% lang="EN-US" style="font-size: 11pt; font-family: ~"Calibri~", ~"sans-serif~"; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; letter-spacing: -0.05pt; letter-spacing: -0.05pt; letter-spacing: -0.05pt; letter-spacing: -0.05pt; letter-spacing: -0.05pt" %)**axia**(% lang="EN-US" style="font-size: 11pt; font-family: ~"Calibri~", ~"sans-serif~"; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"" %)**l **(% lang="EN-US" style="font-size: 11pt; font-family: ~"Calibri~", ~"sans-serif~"; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; font-size: 12pt; font-family: ~"Times New Roman~", ~"serif~"; letter-spacing: -0.05pt; letter-spacing: -0.05pt; letter-spacing: -0.05pt; letter-spacing: -0.05pt; letter-spacing: -0.05pt; letter-spacing: -0.05pt; letter-spacing: -0.05pt" %)**load**
184 +(% lang="EN-US" style="font-family:~"Times New Roman~",~"serif~"; font-size:12pt; letter-spacing:-0.05pt" %)**Analysis of second order effects with axial load**
185 185  
186 186  
187 187  == Stirrups ==
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