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Initial excess pore water pressures induced by tunnelling in soft ground

Journal of Central South University 2015年第11期22卷 4300-4309页

作者：梁荣柱夏唐代林存刚俞峰吴世明 College of Civil Engineering and Architecture Zhejiang University Research Center of Coastal and Urban Geotechnical Engineering Zhejiang University College of Civil Construction and Environmental Engineering Ningbo University School of Civil Engineering and Architecture Zhejiang Sci-Tech University Insigma Group Co. Ltd.

Tunnelling-induced long-term consolidation settlement attracts a great interest of engineering practice. The distribution and magnitude of tunnelling-induced initial excess pore water pressure have significant effects on the long-term consolidation settlement. A simple and reliable method for predicting the tunnel-induced initial excess pore water pressure calculation in soft clay is proposed. This method is based on the theory of elasticity and SKEMPTON's excess pore water pressure theory. Compared with the previously published field measurements and the finite-element modelling results, it is found that the suggested initial excess pore water pressure theory is in a good agreement with the measurements and the FE results. A series of parametric analyses are also carried out to investigate the influences of different factors on the distribution and magnitude of the initial excess pore water pressure in soft ground.

关键词： initial excess pore water pressure geostress relie

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Speech by President Chen Haosu at Ceremony Held by CPAFFC on the National Mourning Day

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Voice of Friendship 2008年第4期 7-8页

May 19, 2008 Comrades, A week has passed since the grave Wenchuan earthquake of magnitude 8. Today on the first of the three days of national mourning, together with all the Chinese people, we are mourning for the more than 30,000 victims of the earthquake, and expressing our sincere sympathy and solicitude for our more than 200,000 wounded compatriots, and pay our highest respect to the officers and men of the PLA, the armed police and medical and health staff who are still working courageously on the frontline of disaster relief, as well as people of all walks of life of our country who have made persevering efforts to

关键词： disaster armed fight passed police magnitude relie

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