What is the theoretical value of effective length if the degree of end restraint of compression members is 'effectively held in position and restrained against rotation at one end, and at the other restrained against rotation but not held in position'?
1
1.00 times unsupported length of column
2
0.70 times unsupported length of column
3
0.80 times unsupported length of column
4
0.65 times unsupported length of column