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《Journal of Beijing Institute of Civil Engineering and Architecture》 2002-03
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Measurement and Analysis of 3-Lane Carriageway Tunnel

Lui Qingren (Research Department of Beijing General Municipal Engineering Design & Research Institute, Beijing 100035)  
In connection with the construction of Tanyugou Tunnel of Badaling Freeway, some typical sections are selected for measuring the stress of steel grid reinforcement and preliminary supporting concrete. The variation pattern and stabilization time of the internal supporting forces of various kinds of wall rocks are obtained from the measurement results are timely returned to the designer and constructor for necessary readjustment of supporting parameters and ways of construction. This measure has ensured the safe, cost-saving and speedy construction of this project. This paper also proposes herein the parameters of shotcrete-with-anchor rod supports for 3-lane highway tunne.
【CateGory Index】: U451
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