The Shear Behavior of Precast Concrete Sandwich Panels with W-shaped SGFRP Shear Connectors

2018 ◽  
Vol 22 (10) ◽  
pp. 3961-3971 ◽  
Author(s):  
Huanzhi Jiang ◽  
Zhengxing Guo ◽  
Jiabin Liu ◽  
Hui Liu
Keyword(s):  
Precast Concrete ◽  
Sandwich Panels ◽  
Shear Behavior ◽  
Shear Connectors

In-plane shear behavior of insulated precast concrete sandwich panels reinforced with corrugated GFRP shear connectors

2015 ◽  
Vol 79 ◽  
pp. 419-429 ◽  
Author(s):  
Ki-Bong Choi ◽  
Won-Chang Choi ◽  
Luciano Feo ◽  
Seok-Joon Jang ◽  
Hyun-Do Yun
Keyword(s):  
Precast Concrete ◽  
Sandwich Panels ◽  
Shear Behavior ◽  
Plane Shear ◽  
Shear Connectors

scholarly journals Thermal Resistance of Insulated Precast Concrete Sandwich Panels

2021 ◽  
Vol 15 (1) ◽  
Author(s):  
Sani Mohammed Bida ◽  
Farah Nora Aznieta Abdul Aziz ◽  
Mohd Saleh Jaafar ◽  
Farzad Hejazi ◽  
Nabilah Abu Bakar
Keyword(s):  
Thermal Resistance ◽  
Alternative Energy ◽  
Precast Concrete ◽  
Sandwich Panels ◽  
Green Building ◽  
Control Panel ◽  
Shear Connectors ◽  
Shear Connection ◽  
Concrete Layer ◽  
Structural Applications

AbstractMany nations are already working toward full implementation of energy efficiency in buildings known as Green Building. In line with this perspective, this paper aims to develop a thermally efficient precast concrete sandwich panels (PCSP) for structural applications. Therefore, an experimental investigation was carried out to determine the thermal resistance of the proposed PCSP using Hotbox method and the results were validated using finite element method (FEM) in COMSOL Multiphysics Software. The PCSP were designed with staggered shear connectors to avoid thermal bridges between the successive layers. The staggered connectors are spaced at 200 mm, 300 mm and 400 mm on each concrete layer, while the control panel is designed with 200 mm direct shear connection. In the experimental test, four (4) panels of 500 mm × 500 mm and 150 mm thick were subjected to Hotbox Test to determine the thermal resistance. The result shows that thermal resistance of the PCSP with staggered shear connection increases with increase in spacing. The PCSP with 400 mm staggered shear connectors indicates the best thermal efficiency with a thermal resistance (R value) of 2.48 m2K/W. The thermal performance was verified by FEA which shows less than 5% error coupled with a precise prediction of surface temperature gradient. This indicates that, with conventional materials, thermal path approach can be used to develop a precast concrete building with better thermal resistant properties. Hopefully, stakeholders in the green building industry would find this proposed PCSP as an alternative energy efficient load bearing panel towards sustainable and greener buildings.

Effect of GFRP Shear Ties on Shear Behavior of Interfaces between Precast Concrete Panel and Extruded Polystyrene Special Insulation

2013 ◽  
Vol 658 ◽  
pp. 46-49 ◽  
Author(s):  
Seok Joon Jang ◽  
Young Chan You ◽  
Hyun Do Yun
Keyword(s):  
Precast Concrete ◽  
Shear Behavior ◽  
Shear Connector ◽  
Test Results ◽  
Composite Action ◽  
Shear Connectors ◽  
Concrete Panels ◽  
Glass Fiber Reinforced ◽  
Shear Performance ◽  
Embedment Length

This paper describes the test results on the direct shear behavior of glass-fiber reinforced polymer (GFRP) shear tie reinforced interfaces between precast concrete sandwich panels (PCSP) and extruded polystyrene (XPS) insulations. The insulated PCSP consists of two concrete panels with 100mm or 80mm thick insulation between inner/outer concrete panel layers. In order to achieve composite action concrete panels are connected by corrugated GFRP shear connector. In this study, three types of couple replicate insulated PCSP with different embedment length of GFRP shear connector were made and loaded in push-out. The test results indicated that the reinforcement of GFRP shear ties for interface between PCSP and XPS insulation improves initial and post-peak shear performance of insulated PCSPs. These phenomena are remarkable for XPS insulated PCSPs with larger embedment length of GFRP shear connectors.

State-of-the-Art of Precast Concrete Sandwich Panels

PCI Journal ◽  
1991 ◽  
Vol 36 (6) ◽  
pp. 78-98 ◽  
Author(s):  
Amin Einea ◽  
David C. Salmon ◽  
Gyula J. Fogarasi ◽  
Todd D. Culp ◽  
Maher K. Tadros
Keyword(s):  
State Of The Art ◽  
Precast Concrete ◽  
Sandwich Panels

Theoretical Study on the Influence of Welding Collar on the Shear Behavior of Stud Shear Connectors

2021 ◽  
Vol 25 (4) ◽  
pp. 1353-1368
Author(s):  
Yulin Zhan ◽  
Siji Lu ◽  
Yuanbiao Zheng ◽  
Haijun Jiang ◽  
Shaohui Xiong
Keyword(s):  
Theoretical Study ◽  
Shear Behavior ◽  
Shear Connectors
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