1964_BUILDING_(CONSTRUCTION)_REGULATIONS — Page 99

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1985 Ed.]

Building (Construction) Regulations

[CAP. 123

B 99

DIAGRAM 7

Critical section for shearing stress in flat slabs without drop

40mm

CRITICAL SECTION FOR SHEAR

D

STEPP

DIAGRAM 8

Critical sections for shearing stresses in flat slabs with drop

悭

CRITICAL SECTIONS FOR SHEAR

40 mm

[Subsidiary]

L.N. 294/76.

151. (1) An opening shall not encroach on a column head or a drop.

(2) Except where the aggregate length or width of openings does not exceed any of the following--

(a) in the area common to 2 middle strips, 0.4L measured parallel to the centre line;

(b) in the area common to a middle strip and a column strip, the width of the strip;

Openings in panels in flat slab construction.

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2026-05-04 08:21:54 · NVIDIA / meta/llama-4-maverick-17b-128e-instruct
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1985 Ed.] Building (Construction) Regulations [CAP. 123 B 99 DIAGRAM 7 Critical section for shearing stress in flat slabs without drop 40mm CRITICAL SECTION FOR SHEAR D STEPP DIAGRAM 8 Critical sections for shearing stresses in flat slabs with drop 悭 CRITICAL SECTIONS FOR SHEAR 40 mm [Subsidiary] L.N. 294/76. 151. (1) An opening shall not encroach on a column head or a drop. (2) Except where the aggregate length or width of openings does not exceed any of the following-- (a) in the area common to 2 middle strips, 0.4L measured parallel to the centre line; (b) in the area common to a middle strip and a column strip, the width of the strip; Openings in panels in flat slab construction.
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1985 Ed.] Building (Construction) Regulations [CAP. 123 B 99 DIAGRAM 7 Critical section for shearing stress in flat slabs without drop 40mm CRITICAL SECTION FOR SHEAR D STEPP DIAGRAM 8 Critical sections for shearing stresses in flat slabs with drop 悭 CRITICAL SECTIONS FOR SHEAR 40 mm mm [Subsidiary] L.N. 294/76. 151. (1) An opening shall not encroach on a column head or a drop. (2) Except where the aggregate length or width of openings does not exceed any of the following-- (a) in the area common to 2 middle strips, 0.4L measured parallel to the centre line; (b) in the area common to a middle strip and a column strip, the width of the strip; Openings in panels in flab slab construction.
2026-05-04 08:21:54 · Baseline
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1985 Ed.]

Building (Construction) Regulations

[CAP. 123

B 99

DIAGRAM 7

Critical section for shearing stress in flat

slabs without drop

40mm

CRITICAL SECTION

FOR SHEAR

D

STEPP

DIAGRAM 8

Critical sections for shearing stresses in flat slabs with drop

悭

CRITICAL SECTIONS

FOR SHEAR

40 mm

mm

[Subsidiary]

L.N. 294/76.

151. (1) An opening shall not encroach on a column head or a drop.

(2) Except where the aggregate length or width of openings does not exceed any of the following--

(a) in the area common to 2 middle strips, 0.4L measured

parallel to the centre line;

(b) in the area common to a middle strip and a column strip,

the width of the strip;

Openings in panels in flab slab construction.

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