Analysis

Analysis by computer, assuming simple supports and including 15% redistribution at <BS EN 1990 A1.2.2 & NA, supports (with, in this instance, consequent redistribution in span moments). 5.3.1 (6)>

Table 4.2

Elastic and redistributed moments kNm

Table 4.2

Elastic and redistributed moments kNm

Span number

1

2

Elastic M

1168

745

Redistributed M

1148

684

S

0.98

0.92

2000 1500 1000 500 0

1394kNm

195kNm

lOƔkNm

\ J '

w

114&kNm

Redistributed envelope, kNm

** Note: 350 x 350 is a minimum for columns requiring a fire resistance of 120 minutes

<BS EN 13670 Table 5.2a>

Figure 4.8

Redistributed shears, kN

Figure 4.8

Redistributed shears, kN

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