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87 Cards in this Set
- Front
- Back
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Domestic imposed load |
1.5 |
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Hotel room imposed load |
2 |
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Typical office imposed load |
2.5 above ground level, 3 at or below |
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Communal areas with tables imposed load |
2 |
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Classroom imposed load |
3 |
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Museum and art gallery imposed load |
4 |
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Shopping area imposed load |
4 |
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Timber floor SDL |
0.5 |
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Timber flat roof SDL |
0.8 |
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Timber pitched roof SDL |
1.0 |
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Internal RC SDL |
3 not including slab |
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External RC slab SDL |
2.75 |
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Metal deck roof SDL |
0.5 not including primary steel |
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Steel clad steel frame all up load |
5-10 |
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Masonry clad timber frame all up load |
10-15 |
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Masonry walls and precast concrete slab all up load |
15-20 |
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Masonry clad steel frame all up load |
15-20 |
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Masonry clad concrete frame all up load |
20-25 |
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One way slab s/d and span |
L/22-30, 5-6m |
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Two way span concrete s/d and span |
L/24-35 and 6-11 |
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Flat slab concrete s/d and span |
L/27 and 4-8 |
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Close centre ribbed slab s/d and span |
L/23 and 6-14 |
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Coffered slab s/d and span |
L/15-20 and 8-14 |
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Post tensioned flat slab s/d and span |
L/35-40 and 9-10 |
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Rectangular concrete beam s/d and span |
L/12 and 3-10 |
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Flanged concrete beam s/d and span |
L/10 and 5-15 |
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Concrete column s/d and span |
H/10-20 and 2.5-8 |
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Concrete wall s/d and span |
H/30-35 and 2-4 |
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Retaining concrete wall s/d and span |
H/10-14 (cantilever) and 2-8 |
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Rule for concrete beam shear stress |
Less than 2MPa |
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Shear stress in ribbed concrete slabs |
0.6MPa |
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Stocky concrete column check |
Minimum column dimension = Clear column height/17.5 |
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Allowance for moment in concrete columns |
Loads from floor immediately above multiplied by 1.25, 1.5, 2 for interior, edge and corner column |
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Concrete column area estimate for stocky columns |
Ac= N/15, N/18, N/21 för C28/35 concrete containing 1,2,3% reinforcement |
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Slab reinforcement estimate |
80-110 kg/m3 |
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RC pad footing reinforcement estimate |
70-90kg/m3 |
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Transfer slab reinforcement estimate |
150kg/m3 |
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Pile cap/raft reinforcement estimate |
115kg/m3 |
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Column reinforcement estimate |
150-450kg/m3 |
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Ground beam reinforcement estimate |
230kg/m3 |
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Beam reinforcement estimate |
220kg/m3 |
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Retaining wall reinforcement estimate |
110kg/m3 |
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Stair reinforcement estimate |
135kg/m3 |
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Wall reinforcement estimate |
65kg/m3 |
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Heavy industrial building all up reinforcement estimate |
125kg/m3 |
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Commercial building all up reinforcement estimate |
95kg/m3 |
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Institutional building all up reinforcement estimate |
85kg/m3 |
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Steel primary beam/truss s/d and span |
L/10-15, 4-12 |
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Steel secondary beam/truss s/d and span |
L/15-25, 4-20 |
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Steel transfer beam/truss s/d and span |
L/10, 16-30 |
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Steel castellated beam s/d and span |
L/10-15, 4-12 |
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Steel plate girder s/d and span |
L/10-12, 10-30 |
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Steel vierendeel girders s/d and span |
L/8-10, 6-18 |
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Steel roof truss s/d and span |
L/12-20, 10-100 |
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Steel pitched roof truss s/d and span |
L/5-10, 8-20 |
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Steel light roof beam s/d and span |
L/18-30, 6-60 |
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Steel lattice roof girder s/d and span |
L/12-15, 5-20 |
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Steel space frame s/d and span |
L/15-30, 10-100 |
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Steel uc s/d and span |
Single-storey: L/20-25, 2-8 Multi-storey: L/7-18, 2-4 |
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Steel hollow section column s/d and span |
Single-storey: L/20-35, 2-8 Multi-storey: L/7-28, 2-4 |
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Steel columns in buildings 2-3 storeys with Max 7m spans |
203 UC |
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Steel columns in buildings up to 5 storeys high |
254 UC |
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Steel columns in buildings up to 8 storeys high (or low rise with long spans) |
305 UC |
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Steel columns in buildings 8 to 12 storeys high |
354 UC |
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Steel column load enhancement for moments |
Top storey: 4x z-diff + 2x y-diff Intermediate storey: z-diff + y-diff Where 'diff' is the difference between span loads |
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I value of truss |
I= Ac * d^2 / 2 |
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Composite UB s/d and span |
Primary: L/19, 6-10 Secondary: L/23, 8-18 |
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Composite UC s/d and span |
Primary: L/22, 6-10 Secondary: L/29, 8-18 |
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Composite girder s/d and span |
Primary: L/15, >12 Secondary: L/25, >12 |
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Timber domestic floor (50 wide joists at 400) s/d |
L/24 +25 to 50 |
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Timber office floor (50 wide joists at 400) s/d |
L/15 |
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Timber rafters (50 wide joists at 400) s/d |
L/24 |
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Timber beams/purlins s/d |
L/10-15 |
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Timber independent posts s/d |
Minimum 100mm2 |
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Timber triangular truss s/d |
L/5-8 |
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Timber rectangular truss s/d |
L/10-15 |
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Timber plywood stress skin panels s/d |
L/30-40 |
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Typical brick size |
215x102x65 +10mm for mortar |
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Typical block size |
440x215x(75-215) +10mm for mortar |
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Masonry fire resistance |
Typical 100mm wall: 2h structural, 4h non-structural |
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Geotechnical FoS for scheme design |
2-3 |
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Geotechnical design and abp usually controlled by |
25mm settlement allowance |
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Geotechnical frost action typically negligible below |
450mm below ground level |
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Max depth of pad and strip foundations |
3m |
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Small and short piles are typically... While wide, long piles are typically... |
Bored, cast in-situ and driven steel piles respectively |
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Pile max and min dimensions |
75-2000mm diameter, 5-100m Long |
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Types of retaining structures |
Cantilever r.w., gravity r.w., piling r.w., anchored r.w., king post, sheet pile, contiguous piled wall, diagram wall, secant bored piled wall |
