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Articles 61 - 90 of 467
Full-Text Articles in Civil Engineering
Efficient Precast/Prestressed Floor System For Building Construction, Eliya E. A. Henin
Efficient Precast/Prestressed Floor System For Building Construction, Eliya E. A. Henin
Department of Construction Engineering and Management: Dissertations, Theses, and Student Research
Precast floor systems provide a rapidly constructed solution to multi-story buildings that is economical, high quality, fire-resistant, and with excellent deflection and vibration characteristics. Conventional precast concrete floor system cannot compete with cast-in-place post tensioning flat slab floor systems when high span-to-depth ratio and flat soffit are required. This is due to the significant depth of standard precast beams, and use of column corbels and beam ledges. This research presents the development of a new precast concrete floor system that eliminates the limitations of conventional precast floor system and provides a competitive precast alternative to cast-in-place flat slab floor systems. …
Optimisation Of Cold-Formed Steel Purlin Cross-Sections, Matt Clifford
Optimisation Of Cold-Formed Steel Purlin Cross-Sections, Matt Clifford
Theses
The subject of buckling of steel members is introduced and the critical nature of local buckling in slender members is highlighted.
The main thrust of work this semester is an investigation into the following buckling modes:
Flexural buckling;
Lateral torsional buckling;
Torsional buckling;
Shear buckling;
Web buckling;
Distortional buckling;
Local buckling.
This investigation has three main components:
1. Review of theory, books and appropriate published work;
2. Investigation into the relevant parts of Eurocode 3;
3. Finite element analysis using the LUSAS FE program to illustrate the various buckling modes.
Finally, the areas to be covered in the Realisation Stage …
Super Flex Wall - New Frame System For High Rise Buildings, Purdue Ect Team
Super Flex Wall - New Frame System For High Rise Buildings, Purdue Ect Team
ECT Fact Sheets Archive
The "Super Flex Wall" is a structural frame method newly developed by the Takenaka Corporation, used in combination with a core wall (the earthquake-resistant reinforced concrete wall penetrating through the center of the building from the lower part to the top floor) and a structural control method or with a base-isolation method. Part of the structure is cantilevered from the central core along the periphery of the building.