上海地区多含水层系统深部承压层降水诱发地层响应规律

彭晨鑫, 李明广, 甄亮, 李耀良, 张哲彬

Strata Responses Due to Pumping from Deep Confined Aquifers of Multi-Aquifer-Aquitard System in Shanghai

PENG Chenxin, LI Mingguang, ZHEN Liang, LI Yaoliang, ZHANG Zhebin

表2 土层参数取值

Tab.2 Soil layers and parameters used in analysis

土层编号 γ/ (kN·m-3) c'/ kPa φ'/ (°) ψ/ (°) e E 50 r e f/ MPa E o e d r e f/ MPa E u r r e f/ MPa G 0 r e f /MPa γ0.7 kh/ (cm·s-1) kv/ (cm·s-1) Aq0 ②1 18.5 6 26.5 0 0.93 5.31 4.43 31.00 124.0 2.7×10-4 1.19×10-6 7.76×10-7 ③ 17.5 2 29.6 0 1.18 3.61 3.01 21.04 84.2 2.7×10-4 1.04×10-6 6.78×10-7 AdI ④ 17.0 3 27.9 0 1.34 2.90 2.41 16.88 67.5 2.7×10-4 1.94×10-7 1.41×10-7 ⑤1 17.6 4 30.5 0 1.13 4.05 3.38 23.623 94.5 2.7×10-4 3.77×10-7 3.12×10-7 ⑤3 17.9 5 31.6 0 1.01 5.55 4.62 32.38 129.5 2.7×10-4 2.42×10-6 1.47×10-6 AdII ⑧1 18.0 8 32.4 0 1.01 5.70 4.75 33.26 133.1 2.7×10-4 1.15×10-6 7.32×10-7 ⑧2 18.7 8 33.1 0 0.85 6.75 5.63 39.38 157.5 2.7×10-4 3.72×10-6 2.31×10-6 AqII ⑨1 19.6 0 31.5 1.5 0.66 14.66 14.66 58.64 293.2 2.7×10-4 3.01×10-4 2.03×10-4 ⑨2-1 20.4 0 37.5 7.5 0.53 15.69 15.69 62.76 313.8 2.7×10-4 1.00×10-4 9.61×10-5 ⑨2-2 20.4 0 36.5 6.5 0.52 17.21 17.21 68.84 344.2 2.7×10-4 4.98×10-4 2.04×10-4 AdIII ⑩ 20.0 19 31.6 0 0.64 12.51 10.42 72.95 291.8 2.7×10-4 2.05×10-7 8.59×10-8 ⑩夹 19.5 0 32.0 0 0.71 9.25 7.70 53.93 215.7 2.7×10-4 2.31×10-5 3.47×10-6 ⑩A 19.5 0 37.0 7.0 0.69 12.37 12.37 49.48 247.4 2.7×10-4 3.47×10-4 7.98×10-5 AqIII 11 19.5 0 36.0 6.0 0.69 15.40 15.40 61.60 308.0 2.7×10-4 8.45×10-4 1.74×10-4 11T 19.2 0 36.0 0 0.76 10.78 8.98 62.87 251.5 2.7×10-4 8.43×10-6 4.68×10-6 AdIV 12 20.1 15 30.0 0 0.62 12.20 10.17 71.19 284.8 2.7×10-4 2.01×10-7 1.18×10-7