Completed Structure
WHAT HAVE BEEN ACCOMPLISHED:
JMEC was part of the design team for 3 sections of the Cypress Viaduct Replacement Project (Sections B, C & F), and have completed the analysis, design/check of PS&E under various contracts as described below. The bridge structures were designed following the Caltrans I880 Cypress Viaduct Replacement Project design criteria.
Section C included a $15 million viaduct section constructed of CIP post-tensioning box girder. JMEC was responsible for the independent check of PS&E (plans, specifications and estimates), and have completed the seismic analysis taking into considerations the structure interaction resulting from the steel frames of adjacent Contract D and the foundation flexibility. JMEC assisted in the coordination of interface details between Contracts C and D, and developed Standard Hinge Details for the concrete and steel girder interface.
To control the geometry of the viaduct due to time dependent displacement at the expansion joint, tie-downs were installed at the hinge locations until the adjacent steel girders were constructed.
JMEC was part of the design team for 3 sections of the Cypress Viaduct Replacement Project (Sections B, C & F), and have completed the analysis, design/check of PS&E under various contracts as described below. The bridge structures were designed following the Caltrans I880 Cypress Viaduct Replacement Project design criteria.
Section C included a $15 million viaduct section constructed of CIP post-tensioning box girder. JMEC was responsible for the independent check of PS&E (plans, specifications and estimates), and have completed the seismic analysis taking into considerations the structure interaction resulting from the steel frames of adjacent Contract D and the foundation flexibility. JMEC assisted in the coordination of interface details between Contracts C and D, and developed Standard Hinge Details for the concrete and steel girder interface.
To control the geometry of the viaduct due to time dependent displacement at the expansion joint, tie-downs were installed at the hinge locations until the adjacent steel girders were constructed.
Project Role: Subconsultant for Bridge Design
Clients: California Department of Transportation
Dokken Engineering
Clients: California Department of Transportation
Dokken Engineering
Schedule: Construction was completed in 1996
Structure with Tie-Downs during Construction
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165 Lennon Lane, Suite 106, Walnut Creek, CA 94598
Tel: (925) 944-8999 Fax: (925) 944-9998
165 Lennon Lane, Suite 106, Walnut Creek, CA 94598
Tel: (925) 944-8999 Fax: (925) 944-9998
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