Poster PresentationAbstract
The goal of the Green Lane Field Hall Design Project is to design a sustainable dormitory that addresses TCNJ’s need for housing an additional 600 students. By completing this design, TCNJ will be able to accommodate the anticipated population growth while maintaining a sustainable and energy efficient campus. The structural design included developing a detailed floor plan and steel frame outline along with designing and analyzing the structural components of the dormitory building. The overall structural design process included the concrete slab, metal deck, roof and floor beams, girders, and columns. The moments, deflections, flexural and shear strengths of the structural elements were analyzed to confirm the designs were sufficient to withstand the designated live and dead loads. The hydrologic design included a storm water basin and green roof that accounts for the runoff caused by the dormitory. Computer software was used to design the hydrologic structures. The storm water basin design includes an outlet structure configuration that accounts for 2-, 10-, and 100-year storm events. The extensive green roof layers were determined. The drainage system was designed using a Siphonic roof drain sizing software to accommodate a 100-year storm event. Design and Methods Structural •AutoCAD was utilized to develop a site plan, floor plan, and frame. •An elaborate Excel spreadsheet was completely outlined and developed to perform all necessary calculations and analyses required for a structural steel building design. •Derived all applicable loading values. •All structural elements were designed including the metal deck, beams, girders, and columns. Hydrological Green Roof Design •Determined type of green roof and necessary layers. •Determined the first guess of pipe diameter and drain size using the post-construction peak flow of a 100-yr storm obtained from HEC-HMS through hydraulic analysis. •Using structural design restrictions, a preliminary design was simulated using the software Siphonitec. •Underwent an iterative process to finalize a green roof drainage system. Basin Design •Determined size and outlet structure configuration. •Used the 100-yr storm hydrograph from HEC-HMS to determine the required volume of the basin. •Chose a basin depth of 7 feet and used the calculated volume for stage-storage relationship. •Iterative process to ensure that the routing hydrograph peak was less than the pre-development peak for each storm event. •Circular orifice, rectangular orifice, and grate inlet were designed for their respective storm events. •A final routing hydrograph for the basin was outputted that attenuates the post and pre-peak flows for the 100-year storm. Conclusion The structural design of the dormitory was confirmed adequate and sufficient to resist the factored dead and live loads. A detention basin with a bottom diameter of 10 feet and top diameter of 40 feet will be able to accommodate the runoff created by the dormitory building. A green roof design was created for the full square footage of and height of the dormitory, providing a sustainable solution for the drainage of the site. Acknowledgments The design team for the Green Lane Field Hall Design Senior Project would like to thoroughly thank our technical advisors, Dr. Michael Horst and Dr. Andrew Bechtel, as well as our industry advisor Dr. Joseph Strafaci.
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April 2023
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