Practice for Evaluating Material Property Characteristic Values for Polymeric Composites for Civil Engineering Structural Applications

2006 ◽  
Author(s):  
Keyword(s):  
Material Property ◽  
Civil Engineering ◽  
Polymeric Composites ◽  
Structural Applications ◽  
Characteristic Values ◽  
Property Characteristic

Strength Evaluation of Bolted Connection in PFRP Structural Member

2010 ◽  
Vol 654-656 ◽  
pp. 2640-2643 ◽  
Author(s):  
Young Geun Lee ◽  
Seung Sik Lee ◽  
Jeong Hun Nam ◽  
Hong Taek Kim ◽  
Soon Jong Yoon
Keyword(s):  
Civil Engineering ◽  
Failure Load ◽  
Structural Member ◽  
Fiber Reinforced ◽  
Engineering Applications ◽  
Bolted Connection ◽  
Fiber Reinforced Plastic ◽  
Reinforced Plastic ◽  
Structural Applications ◽  
Bolt Holes

Fiber reinforced plastic structural shapes are readily available in civil engineering applications. Especially, pultruded fiber reinforced plastic is an attractive construction material for structural applications because it can be produced in mass production, and it has good mechanical and chemical properties compared with existing conventional structural materials. To be used in the construction field, connection of the pultruded structural member is unavoidable. Bolted connections may be the most suitable option for civil engineering applications compared with bonded connection. However, bolted connection has disadvantages such as reduction of strength due to bolt holes in the connection. Experimental and analytical studies on the bolted connection of PFRP plated member have been carried out. Four different types of connection distinguished by number and arrangement of bolt holes are investigated. Geometrical test parameters are edge distance, width, and longitudinal and transverse spacing. The effects of the parameters are evaluated and quantified based on the observations, such as failure load and failure mode, obtained from the experiment. In addition to the experimental investigation, analytical study is also conducted to predict the failure load of the member with bolted connection.

Thermal Analysis of Sisal/Epoxy Composite Processed by RTM

2015 ◽  
Vol 719-720 ◽  
pp. 50-54
Author(s):  
Andressa Cecília Milanese ◽  
Kelly Cristina Coelho de Carvalho Benini ◽  
Maria Odila Hilário Cioffi ◽  
Herman Jacobus Cornelis Voorwald
Keyword(s):  
Epoxy Resin ◽  
Epoxy Composite ◽  
Low Cost ◽  
Natural Fibers ◽  
Polymeric Composites ◽  
Sisal Fiber ◽  
Processing Temperature ◽  
Scanning Calorimetry ◽  
Structural Applications ◽  
Sisal Fibers

Nowadays, polymeric composites reinforced with natural fibers are being considered in the civil engineering area. The use of polymeric composites to reinforce degraded timber structures can improve its behavior. Fibers with larger structural applications are glass and carbon but the use of natural fibers is an economical alternative and posses many advantages such as biodegradability, low cost and is derived from natural and renewable sources. Epoxy composite reinforced with sisal fabric was processed by resin transfer molding (RTM) at room temperature and this work studies thermal behavior and its respective mechanism of thermal decomposition. Samples of sisal fiber, epoxy resin and sisal/epoxy composite were characterized by Thermogravimetric Analysis (TGA) and Differential Scanning Calorimetry (DSC). Thermogravimetric curves showed that sisal fibers can be used in manufacturing process where the processing temperature does not exceed 177°C and shown that the epoxy resin has the greatest stability material followed by sisal/epoxy composite.

Experimental and Numerical Researches on Aluminium Alloy Systems for Structural Applications in Civil Engineering Fields

2016 ◽  
Vol 710 ◽  
pp. 256-261 ◽  
Author(s):  
Antonio Formisano ◽  
Gianfranco De Matteis ◽  
Federico M. Mazzolani
Keyword(s):  
Aluminium Alloy ◽  
Structural Engineering ◽  
Civil Engineering ◽  
Structural Behaviour ◽  
Aesthetic Quality ◽  
Research Activities ◽  
Low Weight ◽  
Structural Applications ◽  
Protection Devices ◽  
Structural Research

Structural research and applications of aluminium structures in civil engineering field have grown extensively in the last decades. Low weight, corrosion resistance, production of special profiles by extrusion and aesthetic quality of the aluminium material, together with the availability of specific and detailed design codes at both Italian (CNR-DT 208/2011) and European (Eurocode 9) level, have furthered such a development.On the other hand, in recent years, several experimental and numerical researches have been developed in order to improve the comprehension of the structural behaviour of aluminium elements, such as extruded and welded members, connections and joints, special devices, giving an important contribution to the present structural codes.This paper gives an overview of some of the researches developed recently by the authors which are strictly connected to the design and innovation of aluminium alloy structures. In particular, the behaviour of aluminium alloy members, joints and seismic protection devices is analysed, illustrating the results obtained by the above research programs. They put into evidence interesting aspects that deserve further research activities for improving the present codes on aluminium structures, as well as the high potentiality of the aluminium material to be used as alternative to steel for interesting and convenient applications in structural engineering.

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