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Small and medium- span stone arch bearing capacity reliability study

Author: ZhouZhiShi
Tutor: HuDaLin
School: Chang'an University
Course: Bridge and Tunnel Engineering
Keywords: Stone arch bridge Four hinge damage Sectional resistance Plastic hinge JC France System failure probability
CLC: U441
Type: Master's thesis
Year: 2005
Downloads: 209
Quote: 6
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Abstract


Our stone arch bridge on the road , mostly built in the 20th century, 70 years ago . These early stone arch built in the lower capacity due to the design , environmental corrosion and other reasons, the gradual emergence of some of the damage, such as leaking arch , mortar weathering, cracking arch of the foot . With the development of transport , a large low-grade highway renovation and expansion being , which makes their security problem has become particularly prominent. This thesis abroad and Stone Arch Bridge of destruction test model , based on the study of the stone arch bridge limit state , failure modes identified four hinges and made a plastic hinge method to judge . This approach facilitates the stone arch bridge reliability calculations. Masonry materials from the stress - strain curve departure and assuming masonry material does not resist tensile stress resistance deduced expressions section and in accordance with the existing experimental data statistics, the normal distribution assumption resistance , the statistics of distribution parameters . Finally, JC method to calculate a reliable indicator of cross-section , according to the load increment method to find the main failure modes and calculate the main arch system failure probability .

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CLC: > Transportation > Road transport > Bridges and Culverts > Structural principles, structural mechanics
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