Contract T305 Construction of Katong Park Station and Tunnels For Thomson‐East Coast Line
Calculation
Designed by YZD
Noise barrier structure with 5.9m height
Ch Chec ecke ked d by T KW
Calculation
Ref
1
Output
Purpose
To Propose a noise barrier structure with 5.9m height 2
Design information
2.1 Design Basis or Reference (i) BS5950‐1: 2000, Structural Use of Steelwork in Building Part 1: Code of Practice for Design Rolled and Weld Sections 2.2 Sketch of the Structure
3
Loading
3.2 Wind Load Basic Wind Speed, v =
33.5
vs =
m/s v(s1)(s2)(s3)
Where S1: Multiplying Factor Relating to Topology S2: Multiplying Factor Relating to Height above Ground and Wind Braking S3: Multiplying Factor Relating to Lif of Structure
For flat island, s1= 1
For city centre, the topographical factor is (4) with the moximum structure height
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