| 张家港细砂邓肯-张模型参数研究 |
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| 引用本文： | 何佳佳,王惠敏.张家港细砂邓肯-张模型参数研究[J].低温建筑技术,2011,33(7):82-84. |
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| 作者姓名： | 何佳佳 王惠敏 |
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| 作者单位： | 南京大学地球科学与工程学院,南京,210093 |
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| 摘 要： | 本文对张家港塘桥镇第Ⅱ承压含水层不同深度的细砂样的变形性质进行了初探,利用常规三轴排水剪切试验研究了这组细砂样的变形性质,并选择运用邓肯-张非线性弹性模型模拟其变形计算得到了10个模型参数,利用该模型对该组细砂应力-应变关系和泊松比进行了模拟计算,并将模拟结果和实际试验结果进行了对比,从而对于该地区的地面沉降模型参数获...
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| 关 键 词： | 细砂 第Ⅱ承压含水层 张家港 邓肯-张模型参数 |
EXPERIMENTAL STUDY ON DEFORMATION PROPERTIES AND PARAMETERS OF DUNCAN-CHANG MODEL OF FINE SAND IN ZHANG JIAGANG AREA |
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| HE Jia-jia,WANG Hui-min.EXPERIMENTAL STUDY ON DEFORMATION PROPERTIES AND PARAMETERS OF DUNCAN-CHANG MODEL OF FINE SAND IN ZHANG JIAGANG AREA[J].Low Temperature Architecture Technology,2011,33(7):82-84. |
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| Authors: | HE Jia-jia WANG Hui-min |
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| Affiliation: | HE Jia-jia,WANG Hui-min(School of Earth Sciences and Engineering,Nanjing University,Nanjing 210093,China) |
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| Abstract: | Based on a series of drained consolidated triaxial tests about fine sand of different depths in the 2nd confined aquifer in town of Tang Qiao of Zhangjiagang city,its deformation properties were studied in this paper firstly.It shows that fine sand behaves nonlinearly with strain softening and sheer reduction and dilatancy.Moreover,it obtained ten parameters of Duncan-Chang model to simulate fine sand's stress-strain relationship and Poisson's ratio and compared them with the results in the tests.So the res... |
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| Keywords: | fine sand the 2nd confined aquifer Zhang jiagang city Duncan-Chang model parameters |
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