Nabin Kumar Ijam | Civil & Hydropower Engineer

MOMENT CONNECTION OUT OF A PLANE

Designed factored load(\(P\) in kN):
Eccentricity of load(\(x\) in mm):
Number of shear plane with threads intercepting the shear plane(\(n_n\)):
No. of rows of bolts (\(n_r\)):
Horizontal spacing of adjacent rows (\(x_p\)):
Can put any non-zero number for \(x_p\)

SIZE OF PLATES

Thickness of connected plate(\(t_1\) in mm):
Thickness of connecting plate(\(t_2\) in mm):

BOLTS SPECIFICATION

Choose a Bolt Grade:
Choose a Bolt Sub-Grade (e.g., 4.6, 4.8):

STEEL PLATE SPECIFICATION

Choose a Steel Grade:

PROVIDED DATA

First input some values like 50mm for both pitch and edge distance and then after calculation of maximum and minimum values of these parameters again input "pt" and "ed".

Pitch of bolts/holes(\(p_t\) in mm):
Edge distance of hole(\(e_d\) in mm):

DESIGN RESULT

1. BOLT SPECIFICATION

Ultimate strength of bolt (\(f_u\)):

Minimum Ultimate strength of bolt (\(f_u\)):

Yield strength of bolt (\(f_{yb}\)):

Diameter of bolt (\(D_b\)):

Diameter of hole (\(D_h\)):

2. PLATE SPECIFICATION

Ultimate strength of plate (\(f_{up}\)):

Yield strength of plate (\(f_y\)):

3. PITCH AND EDGE DISTANCE

3.1 Pitch distance

Maximum pitch distance (\(p_{max}\)):

Minimum pitch distance (\(p_{min}\)):

3.2 Edge distance

Maximum Edge distance (\(e_{max}\)):

Minimum Edge distance (\(e_{min}\)):

4. STRENGTH OF A BOLT

Shear Strength (\(V_{dsb}\)):

Bearing Strength (\(V_{dpb}\)):

Tensile Strength (\(T_{db}\)):

Strength of a bolt (\(V_{sb}\)):

5. NUMBER OF BOLTS

Total number of bolts (\(n_b\)):

6. SIZE OF CONNECTING PLATE

Width (\(B\)):

Width (\(H\)):

5. CHECK FOR SHEAR

Direct Shear (\(F_2\)):

Moment resisted by bolts in tension (\(M_r\)):

Distance of extreme bolt from NA :

\(∑y_i\) :

\(∑y_i^2\) :

Tension due to moment (\(T_b\)):

Check for shear strength:

Bolt No.	Y (mm)	Y² (mm²)