同步实施的相邻基坑相互作用机理

杨其润, 李明广, 陈锦剑, 吴航

Interaction Mechanisms of Synchronously Performed Adjacent Excavations

YANG Qirun, LI Mingguang, CHEN Jinjian, WU Hang

表1 HSS模型参数

Tab.1 Soil parameters for HSS model

土层编号	厚度/m	E_s/MPa	$E_{o e d}^{r e f}$ /MPa	$E_{50}^{r e f}$ /MPa	$E_{u r}^{r e f}$ /MPa	$G_{0}^{r e f}$ /Pa	γ_0.7×10⁴	c'/kPa	φ'/(°)	ψ/(°)	m	R_f
①	3.9	4.26	3.83	4.60	30.67	122.69	2.7	1	30	0	0.8	0.6
③	5.1	4.72	4.25	5.10	33.98	135.94	2.7	3	28	0	0.8	0.6
④	8.4	2.44	2.20	2.64	17.57	70.27	2.7	4	25	0	0.8	0.6
⑤_2-1	8.2	10.22	9.20	11.04	55.19	220.75	2.7	5	30	0	0.8	0.9
⑤_2-2	11.9	6.21	5.59	6.71	33.53	134.14	2.7	5	30	0	0.8	0.9
⑤_2-3	8	9.31	8.38	10.06	50.27	201.10	2.7	5	30	0	0.8	0.9
⑤_2-3t	8.9	5.28	4.75	5.70	28.51	114.05	2.7	5	30	0	0.8	0.9
⑦	9.8	14.31	12.88	15.46	90.15	360.61	2.7	6	32	2	0.5	0.9
⑨	35.8	12.74	11.47	13.76	80.26	321.05	2.7	6	32	2	0.5	0.9