FACITLISTE
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20<br />
Statik og styrkelære · <strong>FACITLISTE</strong><br />
6. TRÆKONSTRUKTIONER<br />
151. σ t,0,d<br />
= 6,8 MPa < f t,0,d<br />
= 7,99 MPa<br />
152. a) 100 · 200 mm<br />
b) σ t,0,d<br />
= 5,5 MPa < f t,0,d<br />
= 6,21 MPa<br />
163. p max<br />
= 5,66 kN _____<br />
m<br />
164. a) V A<br />
= 20,625 kN V B<br />
= 12,375 kN<br />
b) x = 0,025 m (se figuren)<br />
153. a) F = 53846,5 N d) F = 80707 N<br />
b) F = 62799,5 N e) F = 98615 N<br />
c) F = 71753,5 N<br />
154. a) h = 175 mm (50 · 175 mm)<br />
b) σ t,0,d<br />
= 5,33 MPa < f t,0,d<br />
= 6,21 MPa<br />
155. σ t,0,d<br />
= 6,67 MPa > f t,0,d<br />
= 4,88 MPa<br />
Omdimensionering: 19 · 175 mm<br />
σ t,0,d<br />
= 2,86 MPa < f t,0,d<br />
= 4,88 MPa<br />
156. F max<br />
= 36685 N<br />
157. 150 · 150 mm, σ c,0,d<br />
= 1,87 MPa < k c<br />
· k d · f c,0,k<br />
= 3,44 MPa<br />
158. F max<br />
~ 58275 N<br />
159.<br />
c) 225 · 225 mm<br />
d) σ m.d<br />
= 8,07 MPa < f m,d<br />
= 10,65 MPa<br />
165. u max<br />
= 8,33 mm<br />
166. Deformation: 140 · 220 mm<br />
u = 7,66 mm < u max<br />
= 8 mm<br />
160. 200 · 200 mm<br />
σ c,0,d<br />
= 1,5 MPa < 3,04 MPa<br />
161. F max<br />
~ 39160 N<br />
162. a) 100 · 225 mm<br />
b) σ m,d<br />
= 5,92 MPa < f m,d<br />
= 7,99 MPa
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