Post on 17-Jan-2016
description
Daca clasa de beton este mai mare de C40/50, proiectarea nu face obiectul documentului EN 1998-1
5400
490000
0.3723
6800
86400
Trasarea curbei de interactiune prin metoda simplificata la
PERETI
8450
4562
9124
8042
22.67
300
300
26.67
3140000
2160000
400
700
6.1
4320
16
40
257.14
๐ ๐ก๐๐๐
๐ด๐๐ ๐ก๐๐๐= ๐๐2
๐ด๐ ๐ = 2 โ ๐ด๐ ๐ ๐ก๐๐๐
๐ด๐ ๐ =
๐ด๐ ๐ ๐ก๐๐๐= ๐๐2
๐ด๐ ๐ ๐ก๐๐๐= ๐ด๐ 1 + ๐ด๐ 2 + ๐ด๐ 3 + ๐ด๐ 4
๐๐2
๐ด๐ ๐ค = ๐๐2
๐1 = ๐๐๐๐
๐ด๐ ๐ค = ๐๐ ๐ค โ๐ โ โ 12
4
โ 1 = ๐๐
๐ด๐ = 2 โ ๐ด๐ + ๐ด๐๐
๐ด๐ = ๐๐2
๐ด๐ = ๐๐2
๐ด๐๐ = ๐ก๐ค๐ โ ๐๐ค๐
๐ด๐๐ = ๐๐2
๐ก๐ค๐ = ๐๐
๐๐ค๐ = ๐๐
๐๐ค๐ = ๐ฟ โ ๐๐
๐๐ = ๐๐
๐ฟ = ๐
๐โฒ๐๐ = N/๐๐2
๐๐ฆ๐,๐ = N/๐๐2
๐๐ฆ๐ = N/๐๐2
๐๐๐ = N/๐๐2
โ๐ = ๐๐
โ๐ = ๐๐ค๐ + 2 โ ๐๐
๐ด๐ ๐ค,๐๐๐ = ๐๐2
๐ ๐ ๐ค = ๐๐
๐ด๐ ๐ค,๐๐๐ฅ = ๐๐2
๐ด๐ ๐ค,๐๐๐ = 0.002 โ ๐ด๐๐
๐ด๐ ๐ค,๐๐๐ฅ = 0.04 โ ๐ด๐๐
๐๐๐๐ = ๐ด๐ ๐ค โ 100 ๐ด๐๐
๐๐๐๐ = %
๐ ๐ ๐ค = ๐๐ค๐ (๐1 2 + 1)
Calculul zonei potential plastice a peretilor
Zona A = zona plastica
Zona B = zona elastica
Mom. inc. din รฎncarcarile seismice de calcul, la baza per.
se va alege si ultimul nivel in zona plastica daca acesta va fi mai
mare de 0.2*hetaj
31046
6.35
31046
6.6
72.6
6.8
3.3
3.3
21
-18027
8695.46
117812.6
16900
101770.8
35591.12
062486.78
81503.49
81503.49
๐๐ด = 2 โ ๐ด๐๐ โ ๐๐ฆ๐,๐ + 2 โ ๐ด๐ ๐ โ ๐๐ฆ๐ + ๐ด๐ ๐ค โ ๐๐ฆ๐ + ๐ด๐ โ ๐๐๐
๐ด๐๐ = 2 โ ๐ด๐๐ ๐ก๐๐๐
๐ด๐๐ =
๐๐
๐
๐๐ด =
๐๐
๐๐น = โ(๐๐ด โ ๐ด๐ โ ๐๐๐)
๐๐ ๐๐น =
๐๐ต = ๐ด๐ โ ๐โฒ๐๐ โ ๐ด๐ ๐ค โ ๐๐ฆ๐
๐๐ ๐๐ต =
๐๐ต = (๐ด๐ โ ๐โฒ๐๐ + 2 โ ๐ด๐๐ โ ๐๐ฆ๐,๐ + 2 โ ๐ด๐ ๐ โ ๐๐ฆ๐)
โ๐๐ค๐ + ๐๐2
๐๐๐ ๐๐ต =
๐๐ถ = ๐ด๐๐ + ๐ด๐ โ ๐โฒ๐๐ + ๐ด๐ ๐ค โ ๐๐ฆ๐
๐๐ ๐๐ถ =
๐๐๐ ๐๐ถ =
๐๐ถ = ๐๐ต
๐๐๐
๐โฒ๐ง๐๐ =
๐๐ท =
๐โฒ๐ง๐๐ = 0.4 โ โ + 0.05 โ ๐ป
๐
โ =
โ๐ = ๐
๐
๐ป = ๐
๐ป = โ๐ + ๐๐ โ โ๐
๐๐ = ๐
โ๐ = ๐
โ๐ = ๐ฟ
๐๐ง๐๐ = ๐
๐๐ถ๐ด = ๐๐ธ๐
โ
๐๐ถ๐ด = ๐๐๐
๐๐ ๐๐ท =
๐๐ธ๐โ = ๐๐๐
Mom. inc. din รฎncarcarile seismice de calcul
zona B zona A infrastructura
coeficient de corectie a eforturilor de รฎncovoiere din pereti
momentul capabil la baza montantului i
2937.6 3280
w - raportul dintre valoarea momentului capabil de
rasturnare, calculat la baza suprastructurii (la baza
zonei A), asociat mecanismului de plastificare a
peretelui structural, individual sau cuplat, si
valoarea momentului de rasturnare, corespunzator
รฎncarcarilor seismice de calcul
efortul axial din montantul i, produs de fortele orizontale
corespunzatoare formarii mecanismului de plastificare al peretelui
6.1
distantele de la axa montantului i pรขna la un punct, convenabil ales, รฎn
raport cu care se calc. momentele fortelor axiale Ni
9917.621
1.2
2081
919.7
5.4
45
1983.524
7934.097
4675.2
8293.593
376.9815
1116
3.9715
118000
113517.7
1.3 1 1.25
21987
123299.1
31800
๐๐ถ๐ต = ๐๐ โ ๐ โ ๐๐ธ๐ โค ๐ โ ๐๐ธ๐
โ =
๐๐ถ๐ต = ๐๐๐
๐๐ =
๐ = min(4.8; ๐๐,๐๐๐ + ๐๐,๐๐ โ ๐ฟ๐
๐๐ ,0)
๐ =
๐๐๐
๐๐ ,0 = ๐๐๐
๐๐ ,0 = ๐๐ธ๐โ + ๐ โ ๐ฟ๐
๐๐,๐๐๐ =
๐๐,๐๐๐ =
๐๐๐ ๐๐,๐๐ =
๐๐,๐๐ = ยฑ ๐๐๐ ,๐ ๐
๐๐๐ ,๐ ๐ =๐๐ ๐,๐ ๐+ +๐๐ ๐,๐ ๐
โ
๐๐
๐๐๐ ,๐ ๐ = ๐๐
๐๐ ๐,๐ ๐+ = ๐๐๐
๐๐ ๐,๐ ๐โ = ๐๐๐
๐๐ = ๐ฟ โ ๐๐ = ๐๐ค๐
๐ ๐๐ =
๐๐ธ๐ = ๐๐ โ ๐ โ ๐๐ธ๐โ
๐๐ธ๐ = ๐๐
๐๐ =
๐๐ธ๐โ = ๐๐
๐๐ธ๐ = ๐๐๐
๐ฟ๐ = ๐ฟ
๐ ๐ฟ๐ =
๐๐ = 0.2 โ ๐๐ธ๐
๐๐ = ๐๐
๐๐ = 0.8 โ ๐๐ธ๐ โค 2 โ ๐ โ โ โ ๐๐๐ก๐
๐๐ = ๐๐
๐ด๐ ๐ =๐๐
2 โ ๐๐ฆ๐ โ cos ๐
๐ด๐ ๐ = ๐๐2
๐ = ยฐ
๐ด๐ ๐1 = ๐๐2 โ ๐๐๐200 = ๐๐2
๐ ๐1
N M
A 101771 0
C 62486.8 81503.5
D 35591.1 117813
B 8695.46 81503.5
F -18027 0
0, 101770.8
81503.49, 62486.78
117812.63, 35591.115
81503.49, 8695.46
0, -18027
-40000
-20000
0
20000
40000
60000
80000
100000
120000
0 50000 100000 150000
N
M
N-M
N-M