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0 6mH

The document provides design specifications for a retaining wall including a wall height of 0.6m, post spacing of 2m, footing diameter of 450mm, and undermining of 0.6m. Soil properties and additional loading are specified for load calculations. Brom's method is used to calculate a footing depth of 1.3m. The summary lists the wall type, height, post spacing, pier diameter, and pier depth.

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Terry Cheuk
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118 views1 page

0 6mH

The document provides design specifications for a retaining wall including a wall height of 0.6m, post spacing of 2m, footing diameter of 450mm, and undermining of 0.6m. Soil properties and additional loading are specified for load calculations. Brom's method is used to calculate a footing depth of 1.3m. The summary lists the wall type, height, post spacing, pier diameter, and pier depth.

Uploaded by

Terry Cheuk
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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RETAINING WALLS JOB NO.

: JAC230087
DATE: 6/02/2023

RW1 600 WALL, 1800 FENCE DESIGN: HC

Wall Geometry
Wall Height, h 0.6 m
Post Spacing, s 2.0 m
Footing Diameter, d 450 mm
Undermining, u 0.6 m

Soil Loading
Ka 0.39
gsoil 18 kN/m3
Surcharge, q 2.5 kPa
Undrained shear, cu 42 kPa (reduced by F)

Additional Load above Wall


Load Height, ha 0.90 m (above upper surface)
Load, Pa 1.5 kN
Ultimate Factor 1.0 (wind load 1.0, live load 1.5)

Load Calculation
wsoil = 8.4 kN/m triangular
wq = 2.0 kN/m rectangular
V*base = 6.4 kN
M*base = 7.3 kNm

Footing Depth Calculation (Brom's Method)


e= 1.13 m
f= 0.04 m
M*max = 11.7 kNm
g= 0.52 m
L= 1.24 m

Summary
Wall Type 600 WALL, 1800 FENCE
Wall height 0.6 m
Post Spacing 2.00 m
Pier Diameter 450 mm
Pier Depth 1.30 m

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