1964_BUILDING_(CONSTRUCTION)_REGULATIONS — Page 58

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B 58

[Subsidiary]

CAP. 123]

Building (Construction) Regulations

1

Part of structure and kind of stress

[1985 Ed.

Mild steel complying with the appropriate provisions of BS 4360/1972

High yield stress

structural steel complying with the appropriate provisions of BS 4360: 1972

3

For material

not exceeding 25 mm in thickness or diameter

For material exceeding 25 mm in thickness or diameter

2.

The parts in compression--

(a) flexural stress in extreme fibres of slab bases

185

185

185

(b) flexural stress in extreme fibres of-

(i) beams and girders (other than plate girders)

150

210

190

or

or

or

14 200

14 200

14 200

Pkyr

lker

is the lesser

(ii) plate girders

OT

14 200

They

whichever

whichever

145

is the lesser

200

or

14 200

lkee

ko

whichever

whichever

is the lesser

is the lesser

whichever

is the lesser

185

or

14 200

1 km

whichever

is the lesser

3.

For parts in shear-

(a) on webs

100

or

140

120

or

or

700

[700]

[209]

whichever

whichever

| whichever

2

[700]

2

is the lesser

is the lesser

is the lesser

Webs of beams shall possess or be provided with adequate stiffness to prevent buckling.

(b) on shop rivets and turned bolts

(c) on field rivets

(d) on black bolts

90

130

115

80

110

110

60

The strength of rivets and bolts in double shear may be taken as 2 times that for single shear.

(e) other than on webs, rivets and bolts

100

140

120

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2026-05-04 08:16:24 · NVIDIA / meta/llama-4-maverick-17b-128e-instruct
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B 58 [Subsidiary] CAP. 123] Building (Construction) Regulations 1 Part of structure and kind of stress [1985 Ed. Mild steel complying with the appropriate provisions of BS 4360/1972 High yield stress structural steel complying with the appropriate provisions of BS 4360: 1972 3 For material not exceeding 25 mm in thickness or diameter For material exceeding 25 mm in thickness or diameter 2. The parts in compression-- (a) flexural stress in extreme fibres of slab bases 185 185 185 (b) flexural stress in extreme fibres of- (i) beams and girders (other than plate girders) 150 210 190 or or or 14 200 14 200 14 200 Pkyr lker is the lesser (ii) plate girders OT 14 200 They whichever whichever 145 is the lesser 200 or 14 200 lkee ko whichever whichever is the lesser is the lesser whichever is the lesser 185 or 14 200 1 km whichever is the lesser 3. For parts in shear- (a) on webs 100 or 140 120 or or 700 [700] [209] whichever whichever | whichever 2 [700] 2 is the lesser is the lesser is the lesser Webs of beams shall possess or be provided with adequate stiffness to prevent buckling. (b) on shop rivets and turned bolts (c) on field rivets (d) on black bolts 90 130 115 80 110 110 60 The strength of rivets and bolts in double shear may be taken as 2 times that for single shear. (e) other than on webs, rivets and bolts 100 140 120
Baseline (Original)
B 58 [Subsidiary] CAP. 123] Building (Construction) Regulations 1 Part of structure and kind of stress [1985 Ed. Mild steel complying with the appropriate provisions of BS 4360/1972 High yield stress structural steel complying with the appropriate provisions of BS 4360: 1972 3 For material not exceeding 25 mm in thickness or diameter For material exceeding 25 mm in thickness or diameter 2. The parts in compression-- (a) flexural stress in extreme fibres of slab bases 185 185 185 (b) flexural stress in extreme fibres off- (i) beams and girders (other/than plate girders) 150 210 190 or or or 14 200 14 200 14.200 Pkyr lker is the lesser (ii) plate girders OT 14 200 They whichever whichever 145 is the lesser 200 or 14 200 lkee ko whichever whichever is the lesser is the lesser whichever is the lesser 185 or 14 200 1 km whichever is the lesser 3. For parts in shear- (a) on webs 100 or 140 120 or or 700 [700] [209] whichever whichever | whichever 2 [700] 2 is the lesser is the lesser is the lesser Webs of beams shaft possess or be provided with adequate stiffness to prevent buckling. (b) on shop rivets and turned bolts (c) on field rivets (d) on black bolts 90 130 115 80 110 110 60 The strength of rivets and bolts in double shear may be taken as 2 times that for single shear. (e) other than on webs, rivets and bolts 100 140 120
2026-05-04 08:16:24 · Baseline
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B 58

[Subsidiary]

CAP. 123]

Building (Construction) Regulations

1

Part of structure and kind of stress

[1985 Ed.

Mild steel complying with the appropriate provisions of BS 4360/1972

High yield stress

structural steel complying with the appropriate provisions of BS 4360: 1972

3

For material

not exceeding 25 mm in thickness or diameter

For material exceeding 25 mm in thickness or diameter

2.

The parts in compression--

(a) flexural stress in extreme fibres of slab

bases

185

185

185

(b) flexural stress in extreme fibres off-

(i) beams and girders (other/than plate girders)

150

210

190

or

or

or

14 200

14 200

14.200

Pkyr

lker

is the lesser

(ii) plate girders

OT

14 200

They

whichever whichever

145

is the lesser

200

or

14 200

lkee

ko

whichever whichever

is the

lesser

is the lesser

whichever

is the lesser

185

or

14 200

1 km

whichever

is the lesser

3.

For parts in shear-

(a) on webs

100

or

140

120

or

or

700

[700] [209]

whichever whichever | whichever

2

[700]

2

is the lesser

is the lesser

is the lesser

Webs of beams shaft possess or be provided with adequate stiffness to prevent

buckling.

(b) on shop rivets and turned bolts

(c) on field rivets

(d) on black bolts

90

130

115

80

110

110

60

The strength of rivets and bolts in double shear may be taken as 2 times that for

single shear.

(e) other than on webs, rivets and bolts

100

140

120

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