Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Settlement Behavior of New Reinforced Earth Retaining Walls under Loading-Unloading Cycles
Three new types of reinforced earth structures were introduced including reinforced gabion retaining wall, green reinforced gabion retaining wall and flexible wall face geogrid reinforced earth retaining wall. In order to study settlement behavior of these three retaining walls, lab tests were carried out. Cyclic loading-unloading of different levels (0∼50 kPa, 0∼100 kPa, 0∼150 kPa, 0∼200 kPa, 0∼250 kPa, 0∼300 kPa, 0∼350 kPa) were imposed. The settlement behaviors of retaining walls were analyzed, and secant modulus when loading and unloading was obtained. Results show that retaining walls present great elastic and plastic deformation, and plastic deformation is greater than elastic deformation. Secant modulus decreases with the increase of loading-unloading cycles under the same loading level. Unloading secant modulus is bigger than loading secant modulus in the same cycle. With the increase of loading level, both elastic and plastic deformation increase, and plastic deformation increases more quickly than elastic deformation.
Settlement Behavior of New Reinforced Earth Retaining Walls under Loading-Unloading Cycles
Three new types of reinforced earth structures were introduced including reinforced gabion retaining wall, green reinforced gabion retaining wall and flexible wall face geogrid reinforced earth retaining wall. In order to study settlement behavior of these three retaining walls, lab tests were carried out. Cyclic loading-unloading of different levels (0∼50 kPa, 0∼100 kPa, 0∼150 kPa, 0∼200 kPa, 0∼250 kPa, 0∼300 kPa, 0∼350 kPa) were imposed. The settlement behaviors of retaining walls were analyzed, and secant modulus when loading and unloading was obtained. Results show that retaining walls present great elastic and plastic deformation, and plastic deformation is greater than elastic deformation. Secant modulus decreases with the increase of loading-unloading cycles under the same loading level. Unloading secant modulus is bigger than loading secant modulus in the same cycle. With the increase of loading level, both elastic and plastic deformation increase, and plastic deformation increases more quickly than elastic deformation.
Settlement Behavior of New Reinforced Earth Retaining Walls under Loading-Unloading Cycles
Lin, Yu-Liang (Autor:in) / Fang, Yi-He (Autor:in)
2012
5 Seiten
Aufsatz (Konferenz)
Englisch
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