The Joining Method for Permanent Formwork

Title: The joining method for permanent formwork
Author(s): Q. Jin, C.K.Y. Leung, and W.L. Chung
Paper category : conference
Book title: International RILEM Conference on Advances in Construction Materials Through Science and Engineering
Editor(s): Christopher Leung and K.T. WAN
ISBN: 978-2-35158-116-2
e-ISBN: 978-2-35158-117-9
Publisher: RILEM Publications SARL
Publication year: 2011
Pages: 810 - 817
Total Pages: 8
Nb references: 8
Language: English

Abstract: In this paper, the combined use of Fiber Reinforced Cementitious Composite (FRCC) and Fiber Reinforced Plastic (FRP) has been studied for the application related to the development of permanent formwork for durable concrete structures. Formwork elements, fabricated with pseudo-ductile cementitious composites (PDCC) and embedded glass fiber reinforced polymer (GFRP) reinforcement, need to be effectively joined together in practice. A novel jointing method, involving the embedment of GFRP in high-strength fiber reinforced cementitious composites (HSFRCC), is thus proposed. To find the joint width, it is necessary to obtain the interfacial parameters governing the bond capacity between HSFRCC and GFRP bars. Direct pull-out test is carried out to investigate the bonding capacity between the HSFRCC and GFRP reinforcement. From the experimental data, interfacial parameters are extracted for calculating the required embedded length of GFRP bars to ensure sufficient bonding capacity. According to the test results, the required embedded length of GFRP bars is about 21d (where d is the diameter of GFRP bar).

Online publication: 2011-10-31
Publication type : full_text
Public price (Euros): 0.00