Number of Hits:

Elastic Buckling Calculator for Columns in Framed Systems, a Generalization to The Alignment Charts

Analyst's Name
Project's Name
Company's Name

Select the Unit: US Customary Units SI Units

To simulate traditional boundary conditions, kindly use a rotational stiffness of zero for pinned/roller support and 10^6 times the stiffness of the column for fixed/fixed-roller support. To ignore a supporting beam, simply set its modulus of elasticity or moment of inertia to zero.

1	Modulus of Elasticity of Column	ksi

2	Moment of Inertia of Column	in^4

3	Length of Column	in

4	Inputting Parameters of Supporting Beams?

5	Modulus of Elasticity of Lower Right Beam	ksi

6	Moment of Inertia of Lower Right Beam	in^4

7	Length of Lower Right Beam	in

8	Support Condition of Far End of Lower Right Beam

9	Modulus of Elasticity of Lower Left Beam	ksi

10	Moment of Inertia of Lower Left Beam	in^4

11	Length of Lower Left Beam	in

12	Support Condition of Far End of Lower Left Beam

13	Modulus of Elasticity of Upper Right Beam	ksi

14	Moment of Inertia of Upper Right Beam	in^4

15	Length of Upper Right Beam	in

16	Support Condition of Far End of Upper Right Beam

17	Modulus of Elasticity of Upper Left Beam	ksi

18	Moment of Inertia of Upper Left Beam	in^4

19	Length of Upper Left Beam	in

20	Support Condition of Far End of Upper Left Beam

21	Stiffness of Lower Rotational Spring	kip.in

22	Stiffness of Upper Rotational Spring	kip.in

23	Is Sway Permitted?

24	Number of Buckling Loads/Modes

Buckling Mode

Buckling Load (kip)

Effective Length Factor