Civil Engineering: Recent submissions

Now showing items 221-240 of 289

Shaking Table Tests Of ¼ Small Scaled Masonry Models Retrofitted With Pp-Band Meshes

Meguro, k.; Mayorca, P.; Sathiparan, N.; Guragain, R.; Nesheli, N. (New Technologies for Urban Safety of Mega Cities in Asia, 2005)

Retrofitting of low earthquake-resistant masonry structures is the key issue for earthquake disaster mitigation in developing countries as only that can reduce the probable casualty significantly. Promotion of retrofitting ...
The use of polyurethane for structural and infrastructural engineering applications: A state-of-the-art review

Somarathna, H.M.C.C.; Raman, S,N.; Mohotti, D.; Mutalib, A.A.; Badri, K.H. (Elsevier, 2018)

Polyurethane (PU) is one of the largest polymer products in the plastic family. Structural and non- structural applications of PU and its variants have become a common and effective method for repair, strengthening, ...
Quasi-Static Behavior of Palm-Based Elastomeric Polyurethane: For Strengthening Application of Structures under Impulsive Loadings

Somarathna, H.M.C.C.; Raman, S,N.; Badri, K.H.; Mutalib, A.A.; Mohotti, D.; Ravana, S.D. (2016)

In recent years, attention has been focused on elastomeric polymers as a potential retrofitting material considering their capability in contributing towards the impact resistance of various structural elements. A comprehensive ...
Elastomeric Polymers For Blast And Ballistic Retrofitting Of Structures

Somarathna, H.M.C.C.; Raman, S.N.; Mutalib, A.A.; Badri, K.H. (2015)

In many parts of the world, terrorism has become a major threat to nations, and terrorist activities and accidental explosions have been directed towards the destruction of buildings and critical infrastructures. As a ...
Mechanical Characterization of Polyurethane Elastomers: For Retrofitting Application against Blast Effects

Somarathna, H.M.C.C.; Raman, S,N.; Badri, K.H.; Mutalib, A.A. (2015)

In recent years, structural and materials engineers have focused their attention to develop feasible, constructible and cost effective retrofitting techniques to enhance the structural capacity and to minimize the damage ...
Tensile Behaviour of Polyurethane under Varying Strain Rates

Somarathna, H.M.C.C.; Raman, S,N.; Badri, K.H.; Mutalib, A.A. (THE 7TH ASIA PACIFIC YOUNG RESEARCHERS AND GRADUATES SYMPOSIUM, 2015)

The elastomeric polymers are gaining the interest of structural and material engineers as a retrofitting material in numerous applications, such as to enhance the survivability of several types of structures under dynamic ...
Elastomeric Polyurethane For Retrofitting Application Of Concrete Structures Under Dynamic Loadings

Somarathna, H.M.C.C.; Raman, S,N.; Mutalib, A.A.; Badri, K.H. (Proceedings of International Conference, Chennai,, 2017)

Failures and damages of concrete structures along with losses of lives due to extreme dynamic events such as blast, high impact and high intensity earthquake are predominant threat, since the most existing concrete structures ...
Effect of web holes on the web crippling capacity of cold-formed LiteSteel beams under End-Two-Flange load case

Elilarasi, K.; Janarthanan, B. (ELSEVIER, 2020)

LiteSteel (LSB) beams are made of two rectangular hollow flanges and a slender web. Although the flexural capacity and bending stiffness are enhanced due to hollow flanges, they are vulnerable to the web crippling failure ...
Analysis of Strain Rate Dependent Tensile Behaviour of Palm-Based Elastomeric Polyurethanes

Somarathna, H.M.C.C.; Raman, S.N.; Badri, K.H.; Mutalib, A.A. (2015)

The stress-strain behaviour of elastomeric polymers, such as polyurethane (PU), exhibit high rate dependency, stress–strain non-linearity, and high pressure dependency when compared to other construction materials. Since ...
Response of reinforced concrete panels Retrofitted with elastomeric polyurethane coatings under blast loads

Somarathna, H.M.C.C.; Raman, S.N.; Mutalib, A.A.; Badri, K.H. (2019)
Effects of Hydraulic / Organic shock / Transoent loads in anaerobic wastewater treatment: A Review

Ketheesan, B.; Stuckey, D.C. (Environmental Science And Technology, 2015)
Trace metal speciation and bioavailability in anaerobic digestion A review

Thanh, P.M.; Ketheesan, B.; Yan, Z.; Stuckey, D. (Elsevier, 2015)

Trace metals are essential for the growth of anaerobic microorganisms, however, in practice they are often added to anaerobic digesters in excessive amounts,which can lead to inhibition. The concept of bioavailability of ...
Fermentative biohydrogen production Evaluation of net energy gain

Perera, K.R.J.; Ketheesan, B.; Gadhamshetty, V.; Nirmalakhandan, N. (Elsevier, 2010)

Most dark fermentation (DF) studies had resorted to above-ambient temperatures to maximize hydrogen yield, without due consideration of the net energy gain. In this study, literature data on fermentative hydrogen production ...
Fermentative biohydrogen production II: Net energy gain from organic wastes

Perera, K.R.J.; Ketheesan, B.; Arudchelvam, Y.; Nirmalakhandan, N. (Elsevier, 2011)

Several reports have demonstrated the feasibility of hydrogen production by dark fermentation (DF). However, most reports had resorted to mesophilic or thermophilic conditions to increase hydrogen yield, overlooking the ...
Feasibility of microalgal cultivation in a pilot-scale airlift-driven raceway reactor

Ketheesan, B.; Nirmalakhandan, N. (Elsevier, 2012)

A Scenedesmus sp. was cultivated in a 23-L airlift-driven raceway reactor under artificial lighting and laboratory conditions, in batch and continuous modes. In batch mode, a maximum volumetric biomass productivity of 0.085 ...
Improving net enAergy gain in fermentative biohydrogen production from glucose

Ketheesan, B.; Nirmalakhandan, N. (Elsevier, 2011)

Our previous studies had demonstrated enhanced fermentative hydrogen production from sucrose in batch reactors with dairy manure as a supplement providing nutrients, buffering, and hydrogen-producing organisms. In this ...
Development of a new airlift-driven raceway reactor for algal cultivation

Ketheesan, B.; Nirmalakhandan, N. (Elsevier, 2010)

This paper presents the development and analysis of a new airlift-driven raceway reactor configuration for energy-efficient algal cultivation. A theoretical analysis of the energy requirements for traditional paddlewheel-driven ...
Bearing capacity of cold-formed unlipped channels with restrained flanges under EOF and IOF load cases

Janarthanan, B.; Mahendran, M.; Gunalan, S. (Ernst & Sohn Verlag für Architektur und technische Wissenschaften GmbH & Co. KG, Berlin, 2015)

Bearing failure is a form of localized failure that occurs when thin-walled cold-formed steel sections are subjected to concentrated loads or support reactions. To determine the bearing capacity of cold-formed channel ...
Web crippling behaviour and design of cold-formed steel sections

Janarthanan, B.; Sundararajah, L.; Mahendran, M.; Keerthan, P.; Gunalan, S. (2019)

Cold-formed steel sections are used in many different shapes based on their applications. Recently, a new Csection known as SupaCee was introduced in Australia with higher flexural capacities compared to traditional channel ...
Finite element analyses of cold-formed steel unlipped channel beam with web openings in web crippling

Selvarajasarma, K.; Vithurshan, S.; Janarthanan, B. (2020)

In recent years, the use of Cold-formed steel has increased as an economical replacement to hot-rolled steel sections due to its high strength to weight ratio. However, these sections are vulnerable to bearing failures due ...

Now showing items 221-240 of 289

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