Title:
Partially Composite Concrete Sandwich Wall Panels
Author(s):
Marc Maguire and Fray F. Pozo-Lora
Publication:
Concrete International
Volume:
42
Issue:
10
Appears on pages(s):
47-52
Keywords:
connector, wythe, design, stiffness
DOI:
10.14359/51728201
Date:
10/1/2020
Abstract:
Design of insulated concrete wall panels (ICWPs) resides outside of the current building code provisions. The behavior of an ICWP is largely a function of the wythe connector stiffness and strength. Using the percent composite analogy, designers of partially composite ICWPs can follow the design process for a solid wall. However, they must be aware of the limitations of this approach and the various factors that affect the panel deflections and stresses when subjected to service and design loadings.
Related References:
1. Sorensen, T.J.; Thomas, R.J.; Dorafshan, S.; and Maguire, M., “Thermal Bridging in Concrete Sandwich Walls,” Concrete International, V. 40, No. 10, Oct. 2018, pp. 45-49.
2. ACI Committee 318, “Building Code Requirements for Structural Concrete (ACI 318-14) and Commentary (ACI 318R-14),” American Concrete Institute, Farmington Hills, MI, 2014, 519 pp.
3. PCI Committee on Precast Sandwich Wall Panels, “State-of-the-Art of Precast/Prestressed Sandwich Wall Panels,” PCI Journal, V. 42, No. 2, Mar.-Apr. 1997, pp. 93-134.
4. PCI Committee on Precast Sandwich Wall Panels, “State of the Art of Precast/Prestressed Concrete Sandwich Wall Panels,” second edition, Precast/Prestressed Concrete Institute, Chicago, IL, 2011, 63 pp.
5. Rubenstone, J., “E-Commerce Logistics Test Limits of Tilt-Up Construction,” Engineering News-Record, Jan. 19, 2019, www.enr.com/articles/46198-e-commerce-logistics-test-limits-of-tilt-up-construction.
6. Collins, F.T., “Precast Concrete Sandwich Panels for Tilt-Up Construction,” ACI Journal Proceedings, V. 51, No. 10, Oct. 1954, pp. 149-164.
7. Al-Rubaye, S.; Sorensen, T.; Thomas, R.J.; and Maguire, M., “Generalized Beam-Spring Model for Predicting Elastic Behavior of Partially Composite Concrete Sandwich Wall Panels,” Engineering Structures, V. 198, Nov. 2019, Article 109533.
8. Gombeda, M.J.; Trasborg, P.; Naito, C.J.; and Quiel, S.E., “Simplified Model for Partially-Composite Precast Concrete Insulated Wall Panels Subjected to Lateral Loading,” Engineering Structures, V. 138, May 2017, pp. 367-380.
9. Tomlinson, D., and Fam, A., “Axial Load-Bending Moment-Interaction Diagram of Partially Composite Precast Concrete Sandwich Panels,” ACI Structural Journal, V. 115, No. 6, Nov. 2018, pp. 1515-1528.
10. Holmberg, Å., and Plem, E., “Behaviour of Load-Bearing Sandwich-Type Structures,” Byggforskningen, Issue 49, Sweden, 1965, 96 pp.