Abstract：Research purposes: The high － speed railway has high request for its foundation settlement and it requests the post － construction settlement of the foundation to be controlled below 15mm in order to ensure the track regularity．The red clay of 100km is spread along the railway． As a special soil，the engineering characteristics of red clay is very different from the normal soil． To find out the settlement characteristics of the red clay and the settlement calculation method can provide the basis for taking the reasonable measures to control the foundation settlement in the standard range，with an important engineering value．
Research conclusions: ( 1 ) The modified layer － wise summation method applicable to calculation of the red clay foundation settlement was offered by modifying the calculation formula of the layer － wise summation method on consideration of the influencing factors of the settlement correction coefficient，excavation disturbance and settlement completion rate． ( 2) This methods was approved reliable by comparing the settlement calculated value obtained by this method with the settlement monitoring data． ( 3) It showed this method was suitable for calculation of the foundation settlement of Wuhan － Guangzhou Passenger Dedicated Line and may provide a useful reference to the similar engineering．
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ZHANG Zhan － rong. Research on Computation Method for Settlement of Red Clay Foundation of Wuhan － Guangzhou Passenger Dedicated Line. 铁道工程学报, 2011, 28(4): 9-14.
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2011, Vol. 28 
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