Verilen cıvatalı bağlantıda; a) Cıvatadaki kayma gerilmesini, b) Levhadaki ve çataldaki normal gerilmeleri hesaplayınız. 100 kN CIVATA M12 250mm 5mm ÇATAL 5mm 100 kN
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We need to calculate the shear stress in the bolt (a) and the normal stresses in the plate and the fork (b). Show more…
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Sri K.
Figure 1 shows a pinned base plate connection for the steel column of 310UC96.8 (Grade 300), which is subjected to axial tensile force (Nt* = 100 kN) and shear forces (Vx* = 25 kN) and (Vy* = 20 kN). The end of the steel column is cold sawn. 6 mm SP fillet weld was used along column section profile. The steel column is supported by a concrete foundation. Design information of the base plate is given below: Design Information: - The compressive strength of concrete, fc' = 25MPa - The cross-sectional area of base plate, A1 = 400 mm x 400 mm - The cross-sectional area of concrete foundation, A2 = 800 mm x 800 mm - Four M16 bolts (Grade 8.8/s) are used for the connection - Tensile strength of bolt (fuf) = 830MPa - M16 bolt axial tension capacity (ΦNtf) =104 kN - M16 bolt (Thread excluded from shear plane) shear capacity (ΦVvf) =82.7 kN - Gauge of anchor bolts, Sg= 100 mm - Pitch of anchor bolts, Sp= 200 mm - Yield strength of base plate, fyi= 250 MPa - Thickness of base plate, ti= 16 mm - Friction co-efficient, μ= 0.55 - Weld capacity (ΦVw)= 0.835 kN/mm Figure 1: Pinned base plate connection Check whether the bolt satisfies the requirement for combined tension and shear.
Madhur L.
Adi S.
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