A Study on the Mechanisms of Interaction between Deep Foundation Pits and the Pile Foundations of Adjacent Skewed Arches as well as Methods for Deformation Control

Table 1

Material attributes and sectional characteristics of the structural elements.

Parameter	1st- and 2nd-row concrete supports	3rd- and 4th-row steel supports	Tension piles at the bottom of the pit	Lattice columns	Tie-rods	Units
Elastic modulus	32500	206,000	30000	206000	206000	MPa
Poisson’s ratio	0.20	0.26	0.20	0.26	0.26	—
Moment of inertia in the -axis,	0.0427	0.00131	0.102	0.00299	0.00035	m^4
Moment of inertia in the -axis,	0.0667	0.00131	0.102	0.00089	0.0017	m^4
Polar moment of inertia,	0.1094	0.00262	0.204	0.00388	0.00205	m^4
Cross-sectional area, A	0.80	0.0298	1.131	0.0636	0.0168	m^2