【摘 要】
：
Based on non-Darcian flow law described by exponent and threshold gradient within a double-layered soil,the classic theory of one-dimensional consolidation of d
【机 构】
：
Department of Civil Engineering,Key Laboratory of Soft Soils and Geoenvironmental Engineering of Min
论文部分内容阅读
Based on non-Darcian flow law described by exponent and threshold gradient within a double-layered soil,the classic theory of one-dimensional consolidation of double-layered soil was modified to consider the change of vertical total stress with depth and time together.Because of the complexity of governing equations,the numerical solutions were obtained in detail by finite difference method.Then,the numerical solutions were compared with the analytical solutions in condition that non-Darcian flow law was degenerated to Dary's law,and the comparison results show that numerical solutions are reliable.Finally,consolidation behavior of double-layered soil with different parameters was analyzed,and the results show that the consolidation rate of double-layered soil decreases with increasing the value of exponent and threshold of non-Darcian flow,and the exponent and threshold gradient of the first soil layer greatly influence the consolidation rate of double-layered soil.The larger the ratio of the equivalent water head of external load to the total thickness of double-layered soil,the larger the rate of the consolidation,and the similitude relationship in classical consolidation theory of double-layered soil is not satisfied.The other consolidation behavior of double-layered soil with non-Darcian flow is the same as that with Darcy's law.
其他文献
An adaptive fuzzy sliding mode control (AFSMC) approach is proposed for a robotic airship.First,the mathematical model of an airship is derived in the form of a
Based on an auditory model,the zero-crossings with maximal Teager energy operator (ZCMT) feature extraction approach was described,and then applied to speech an
Consider the design and implementation of an electro-hydraulic control system for a robotic excavator,namely the Lancaster University computerized and intellige
Laser assisted machining (LAM) has difficulties in estimating temperature after applying a LAM process due to its very small heat input area,large energy and mo
A stratum grouting-soil-structure interaction model which simplified the grouted zone into a series of spherical grout bulbs was established using FLAC3D progra
The flow between a grooved and a flat plate was presented to investigate the effects of groove on the behavior of hydro-viscous drive.The flow was solved by usi
The laboratory tests on the post-liquefaction deformation of saturated sand-gravel composites were performed to investigate the characteristics of stress-strain
渔人不识岷峨雪，闲歌自倚潇湘碣。秦王昔奏银鞭子，漫溅青山入江沚。九江风色回天宇，凭空招作黄鹤舞。黄鹤仙杯莫能渡，哀哀失堕五里雾。我欲独泛不系舟，何须更抱玉兔游。隔海空闻环
Luminescent material Ba3Gd(BO3)3 doped with Eu3+ ion was prepared by high temperature solid-state method. The preparing conditions, luminescent properties, and