Simulation Analysis and Experimental Study on the Working State of Sinking Headframe in the Large Underground Shaft

Table 1

Parameters of the members.

Types of member bar	l/mm	μ	I/mm^4	A/mm^2	λ	Member bar type
Class I	8228.0	1.0	1.86 × 10^8	1.55 × 10^4	75.2	Corner columns 01, 02, 04, 05, 07, 11
Class II	6171.0	1.0	1.86 × 10^8	1.55 × 10^4	56.4	Corner columns 03, 06, 09, 12
Class III	10157.8	0.9	1.86 × 10^8	1.55 × 10^4	83.6	Supporting bars F01, F03, F16, F18
Class IV	8114.8	0.9	1.86 × 10^8	1.55 × 10^4	66.8	Supporting bars 02 and 17
Class V	8962.1	0.9	1.86 × 10^8	1.55 × 10^4	73.7	Supporting bars 06 and 21
Class VI	8436.1	0.9	1.86 × 10^8	1.55 × 10^4	69.4	Supporting bars 07, F22
Class VII	7608.0	0.9	1.86 × 10^8	1.55 × 10^4	62.6	Supporting bars 08, 13, 23, F28
Class VIII	6721.6	0.9	1.86 × 10^8	1.55 × 10^4	55.3	Supporting bars 09, 10, 14, 15, 24, 25, 29, F30

Note. l is the length of the member; μ is the calculated length; I is the moment of inertia of the section; A is the area of the section; λ is the flexibility of the member.