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This study focused on the structural behavior of double barrel precast concrete (PC) box culverts where the width of each barrel may vary from that of the other. In lieu of using the elastic foundation beam method, current design codes specify use of reaction method to evaluate the internal force distribution between the two culvert segments. On the basis of a parametric study, a modification of reaction...
The proper assembly of underground precast concrete structures is often critical in the construction of underground structures. In particular, interfacial waterproofing between precast concrete segments is a key factor influencing use, safety, and life span. Current practice is to incorporate waterproofing rubber strips in the design. During the installation process, compressive stress is applied...
Multidisciplinary design optimization (MDO) is a methodology for the design of complex engineering systems and subsystems that coherently exploits the synergism of mutually interacting phenomena. Because of the complex design space of the large-scale system MDO design problem and the serious conflicts between the different design objectives, there is the necessary to seek an objective, flexible, effective...
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