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Techniques and Performance of Post-Prestressed Tunnel Liner
Publisher: American Society of Civil Engineers
Abstract: This research examined a new type of tunnel liner–concrete liner postprestressed with double-looped unbonded tendons. The performance of the liner was investigated by full-scale model tests and field instrumentations ...
Experimental Investigation of Flexural Behavior of Steel–UHPC Composite Beam with Waffle-Slab System
Publisher: ASCE
Abstract: The flexural behavior of steel-ultrahigh performance concrete (UHPC) composite beams with waffle slabs (SUCBWS) was investigated through experiments. The effects of design parameters, including the ratio of rib height to ...
Damage Detection of Epoxied Joint Model in Precast Concrete Segmental Bridges Using PZT Technology
Publisher: ASCE
Abstract: The feasibility of integrating the wave propagation (WP) method with the electromechanical impedance (EMI) method in damage diagnosis of joints in precast concrete segments under shear load was experimentally studied. The ...