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Full-scale experimental testing and finite element analysis of a totally prefabricated counterfort retaining wall system
| 题名： | Full-scale experimental testing and finite element analysis of a totally prefabricated counterfort retaining wall system |
| 正文语种： | 英文 |
| 作者： | Maen Farhat;Mohsen Issa;Mustapha Ibrahim,;Momenur Rahman |
| 作者单位： | University of Illinois at Chicago |
| 关键词： | Accelerated construction;assessment and monitoring;construction;creative/innovative solutions and structures;headedanchors;retaining wall |
| 摘要： | The overall structural behavior of a totally prefabricated counterfort retaining wall system was examined experimentally and analytically using nonlinear finite element analysis. A 20 ft 2 in. (6.09 m) high, 13 ft 10 in. (4.21 m) wide full-scale prototype was designed meeting the requirements of the AASHTO LRFD specifications, assembled, constructed, instrumented, and tested in a precast concrete plant. The design was optimized and validated using nonlinear finite element analysis. Five headed anchors extended from each counterfort and were grouted to the base slab using truncated conical shear pockets to ensure full connectivity between the precast concrete components. The results obtained from the experimental testing show that the wall experienced a deflection of 0.2 in. (5 mm) at its middle. Moreover, the anchors succeeded in maintaining serviceability and ultimate strength requirements. The totally prefabricated precast concrete counterfort retaining wall system has proven to be an innovative and effective solution for multiple requirements such as speed of construction, strength, durability, and safety. |
| 出版日期： | 2017.05-06 |
| 出版年： | 2017 |
| 期刊名称： | PCI-Prestressed Concrete Institute Journal |
| 卷： | Vol.61 |
| 期： | No.03 |
| 页码： | 72-88 |
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