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Research on Stability Evaluation and Treatment of Ground Collapse at the K73+200～K73+500 Section of Changping Highway
Author: PengWen
Tutor: ZuoLei
School: Jilin University
Course: Geological Engineering
Keywords: Goaf Geophysical survey Collapse mechanism Probability integration method Empirical Mode Decomposition Weighted least squares support vector machine Collapse prediction Control
CLC: U418.6
Type: Master's thesis
Year: 2011
Downloads: 85
Quote: 0
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Abstract
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Along with economic development , on the one hand, the demand for transportation rapid growth , China's construction gradually increase the size of the large number of high-grade highways , railways , on the one hand demand for energy increases , metal and coal mining , the inevitable encounter the road through gobs of problems . For the study of highway through the mined-out area , the main problem is as follows : (1) the the goaf occurrence of geological relatively complex environment , its understanding is still not clear enough ; ( 2 ) the impact goaf collapse factors diversity no obvious correlation between and complexity of the factors ; (3) goaf surface movement prediction model is no uniform understanding of the calculation to determine the parameters remains to be explored . Paper relies on the \characteristics of in-depth investigation ; the settlement curve analysis by ground subsidence , given the road through the mined section of ground subsidence patterns and trends ; probability integration method highway -depth analysis of the deformation and failure of law ; ground subsidence monitoring data based on , we propose a prediction model based on the collapse of the measured data of ground subsidence ; Finally, the goaf highway road to recovery and management methods . The research projects to provide useful lessons for the future similar engineering geological problems of research and engineering processing .
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CLC: > Transportation > Road transport > Road works > Road maintenance and repairs > Road maintenance and repair
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