Lifting Hook For Precast Segment

 

Project

Contract T207 Thomson-East Coast Line

Client Location

LTA

SHIMIZU Corporation

Made by JEB Checked CSK

Date 6/14/2018 Revision -

Page 1 Job No. Reference

Design of Lifting Hook Precast Properties

40 25 2.3 2.3 0.25 2.3 0.3 0.25 1.32 0.35

Concrete Design Strength, fcu = einforced Concrete Density, ρrc = Base Slab width, bs = Base Slab Length, ls = Base Slab Thickness, ts = Wall Length, lw = Wall Height, hw = Wall Thickness, tw = Slab Volume, vs = Wall Volume, vw =

N/mm² kN/m³ m m m m m m m³ m³

bslsts 2lwhwtw

Extended Reinforcement

Reinforcement Density, ρs = Reinforcement Extended Length, Le = Reinforcementt Spacing, s = Reinforcemen No. of Row, Nr = Bar Diameter, d = Area, A = No. of Rebar per Row, N =

78.5 0.8 0.15 4 16 201.06 15

Total Weight, wt =

42.45

kN/m³ m m mm mm²

kN

π/4d² lw/s ρc(vs+vw)+ρsALeNrN

Lifting Hook Properties

Yield Strength, fy =

460

N/mm²

Bar Diameter, db = Achorage, L = No. of Lifting Hook, n = Load Factor, LF = Inclination,, ɸ = Inclination

16 600 4 2 45

mm mm

84.89 30 .0 .0 1

kN kN

LFwt Pc/nsinφ

30.01 180.96 49.94

kN mm² kN

P 0.9π/4db² 0.6Asfy

degree

Design of Lifting Hook

wt of precast to be lift, Pp = Forc Force ep per er L iifftin ting H Ho oo okk , P =

BS5950-1

Shear Capacity Check

Shear Force, F = Shear Area, As = Shear Capacity, Fc =

>F

OK

4.2.3 4.2.3

>T

OK

6.3.4.2 6.3.4.2