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Effect of Heavy Shoring Shapes on Loading Capacities
This research mainly investigates the loading capacities of improved heavy-duty shoring, the effects of shoring shapes on loading capacities, and the economic assessment. Both numerical analysis and experiments were carried out and compared with each other to study the relations of above-mentioned subjects.
In the aspect of numerical analysis, simulation analyses were proceeded from one level to 20 levels for shoring models of MC-43, MC-44 and MC-46. In the aspect of experiments, tests of one level to three levels for MC-43 model, tests of one level to three levels for MC-44 model and a two-level test for MC-46 model were performed in this study.
The results of the study show that if the height of one-level shoring is smaller, it would fail in yielding failure pattern and its loading capacity would be relatively larger; if the height of one-level shoring is larger, it would fail in buckling failure pattern and its loading capacity would be relatively smaller. In regard to the shoring with buckling failure pattern, because all of the buckling occur in the bottom level, the loading capacities do not obviously reduce as the number of levels increases. The results of the study also show that a shorter one-level shoring has relatively higher economic benefits. Finally, basically speaking, the numerical analysis results and the test results quite match each other in both loading capacities and failure patterns.
|Appears in Collections:||土木工程學系所|
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