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Intelligent Parameter Back-calculation and Settlement Prediction of Highway Soft Ground

Author: FanZuo
Tutor: WangGuangYue
School: Shandong University
Course: Structural Engineering
Keywords: Soft ground Finite Element Parameter inversion Settlement Prediction
CLC: U416.1
Type: Master's thesis
Year: 2011
Downloads: 45
Quote: 0
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Abstract


Of pavement , expensive , high technical standards , subgrade deformation and stability are very stringent requirements , most of our coastal areas for soft ground , soft soil of low intensity , poor permeability, compressibility , high sensitivity , deformation stability a long time , its engineering properties brought many difficulties for road design and construction . Deformation of research soft ground subsidence law of development has important theoretical and practical significance for the control of the construction schedule , reasonable arrangements for road maintenance construction organizations and the late accurately predict soft ground subsidence . First explore the soft soil engineering properties and subsidence mechanism based on analysis of the constitutive model of soil posedness , combined with finite element software the ADINA analysis of the Mohr-Coulomb model parameters affected by the settlement of the sensitivity , the use of BP neural network and genetic algorithm inversion, the high sensitivity of the parameters and the parameters obtained by inversion and ADINA simulation model to calculate the different periods of subsidence and are compared to verify that the method is reasonable and measured settlement . Long deep line Qingzhou to Rusu highway sector Linqu Yishui sector to the Yinan JUXIAN sector segment engineering background based K87 138 settlement observations and preliminary validation of the use of finite element combined with artificial neural networks and genetic algorithm inversion method is reasonable forecast , the forecast based on the latter part of the settlement of this section of soft ground .

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CLC: > Transportation > Road transport > Road works > Roadbed, pavement engineering > Subgrade
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