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Evaluation of Structural Behavior and Moment of Inertia on Modular Slabs Subjected to Cyclic Loading
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 Title & Authors
Evaluation of Structural Behavior and Moment of Inertia on Modular Slabs Subjected to Cyclic Loading
Park, Jongho; Choi, Jinwoong; Lee, Hong-Myung; Park, Sun-Kyu; Hong, Sungnam;
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 Abstract
Recently, the maintenance activity for aging of bridge structures was difficult because of traffic jam, environment pollution and increasing cost. And to solve these problems, modular bridge research has been studied. After static and cyclic loading test was conducted for serviceability and bending performance with one way slab, effective moment of inertia of modular specimen was analyzed to estimate the deflection by KCI(2012). To conduct the test, one integral slab and three modular slabs were made for static loading and one integral and modular slab were made for cyclic. As a result of the test, the modular slab had the similar bending performance of the integral. But the ultimate deflection showed the insufficient which was smaller than 20%. In the cyclic loading test, the modular slab has different behavior of deflection with the integral, so it was evaluated difficult for serviceability. In addition, effective moment of inertia by KCI(2012) was not estimated for modular slab with connection. The new value of m which was ratio between moments is 4.53 based on result of test for predicting deflection of modular.
 Keywords
Modular bridge;Modular slab;Deflection;Moment of inertia;Cyclic loading;
 Language
Korean
 Cited by
1.
A Study on the Design of the Top Flange of a Modular T-Girder Bridge Using the Limit State Design Method, Applied Sciences, 2016, 6, 12, 381  crossref(new windwow)
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