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The IUP Journal of Structural Engineering
ISSN: 0974-6528
A ‘peer reviewed’ journal distributed by EBSCO and Proquest Database

Jul'16



Previous Issues

Structural engineering is usually considered as a specialty discipline within civil engineering, but can also be studied in its own right. It is the science and art of designing and making buildings, bridges, frameworks and other similar structures. It has taken a completely different path since the middle of the 20th century. It involves understanding the load-resisting properties of components such as beams, columns, walls, slabs, plates, arches, shells, catenaries, etc., and selecting, proportioning, and connecting different components of a structure to resist the forces and displacements without affecting the safety of the structure. Structural Engineers are responsible for using funds, structural elements and materials creatively and efficiently. In recognition of the growing importance of this branch of engineering, IUP has come up with a quarterly journal, The IUP Journal of Structural Engineering.

 

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Focus Areas
  • Reinforced Concrete Structures
  • Steel Structures
  • Cable Structures
  • Nonlinear Structures
  • Nuclear Containment Structures
  • Structural Dynamics and Earthquake Engineering
  • Structural Analysis and Mechanics
  • Structural Condition/Health Monitoring of Bridge Structures
  • Analysis and Control of Vibrations
  • Properties and Strength of Materials
  • Construction Engineering
 
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Postbuckling of Heated Columns: A Comparative Study of Three Finite Element Formulations
The Effect of Raft and Piled Raft Foundations on Tall Structures with Outrigger and Belt Truss System
Performance-Based Seismic Evaluation of RCMRFs
An Experimental Investigation on Concrete Produced by Replacing Cement with Industrial Red Mud with Addition of Steel Fibers Subjected to Chloride Attack
Properties of SCC with Manufactured Sand
Strengthening of Intermediate Length Cold-Formed Steel Rack Columns Using Lateral Stiffeners: An Experimental Investigation
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Contents
(July 2016)

Postbuckling of Heated Columns: A Comparative Study of Three Finite Element Formulations

-- G Venkateswara Rao, K Sanjay Anandrao, K Durga Rao and R K Gupta

A number of versatile finite element formulations are widely used to accurately predict the relatively complex postbuckling behavior of heated structural members existing in the aerospace, automobile, nuclear engineering, etc. These structural systems are designed to withstand high compressive loads that are induced due to high temperatures. The thermal postbuckling analysis of these structural members are of paramount importance to obtain the competitive designs. Further, the prediction of the thermal postbuckling loads can be used advantageously by the structural designer, as these are higher than thermal buckling loads. In this paper, a comparative study of different finite element formulations to predict thermal postbuckling loads of the commonly used structural members, like columns, is presented. The numerical results, in terms of the ratio of thermal postbuckling to buckling loads, obtained by using different finite element formulations are presented, highlighting their relative advantages.

The Effect of Raft and Piled Raft Foundations on Tall Structures with Outrigger and Belt Truss System

-- Azad Shankar Ambli and Hemant L Sonawadekar

The recent advancement in the design of tall structure has been a challenge to the engineers to ensure stability of the structures subjected to wind and seismic forces. In the modern world, the lateral forces subjected on the structure are resisted by different combinations of shear walls and different bracing systems. The outrigger-belt truss system is commonly used as one of the structural lateral load resisting systems to effectively control the excessive drift. The paper presents the results of an investigation made on the behavior of outrigger structures for raft and piled raft foundation systems of 160 m height by performing the lateral load analysis for different soils. The main objective is to study the performance of tall structures for raft and piled raft for different outrigger locations subjected to wind loads. The parameters considered are displacement, storey drift, axial forces and bending moments of the structure. The standard codes for wind analysis are as per the clauses in IS - 875 Part 3 (1987) and the load combinations are as per IS - 875 Part 5 (1987). The model is analyzed using STAAD Pro V8i software.

Performance-Based Seismic Evaluation of RCMRFs

-- Mohd. Zameeruddin, R B Somwanshi and Keshav K Sangle

The main objective of this paper is to evaluate the performance of Reinforced Concrete Moment Resisting Frames (RCMRFs) subjected to lateral loads using nonlinear static procedure. For this purpose, nonlinear static analyses are performed to study RCMRFs representing low-rise, medium height, and high-rise structures. In nonlinear static procedure, ATC-40 (CSM), FEMA 356 (DCM), ASCE-41 (MDCM) and FEMA 440 (MCSM) methods were employed. Nonlinear responses corresponding to performance point were determined and used to evaluate the performance of RCMRFs. A damage criterion has been introduced which accounts for strength degradation. The methods provide rapid assessment of seismic damage evaluation for RC frames.

An Experimental Investigation on Concrete Produced by Replacing Cement with Industrial Red Mud with Addition of Steel Fibers Subjected to Chloride Attack

-- Anand H Hosamani and Swapnil B Cholekar

Red mud is a waste material, generated by the Bayer process, widely used to produce alumina from bauxite throughout the world. The aim of the paper is to investigate the possibility of replacing the portland cement with red mud. The main objective of the study is to experimentally investigate the characteristic properties of red mud concrete with fixed percentage and added with steel fibers in it, with and without chloride attack during 45 days. The fixed percentage of red mud (15%) partially replaced with cement and adding different percentages of steel fibers (0 to 3%) was studied. The strength characteristics such as compressive strength, tensile strength, flexural strength and shear strength were investigated and also compared with concrete with and without chloride attack.

Properties of SCC with Manufactured Sand

--B K Tuljaramsa, V D Gundakalle and K S Kulkarni

Innovation of Self-Compacting Concrete (SCC) became a revolution in construction industry and presently it is one of the most trending concretes used all over the world. SCC has good fresh properties such as self-flowing, self-levelling and self-compacting properties. The flowability and viscosity to SCC are imparted by paste phase volume which may be obtained by increasing powder content or deploying Viscosity Modifying Agent (VMA) in SCC (Okamura, 2003). To make concrete more flowable, the quantity of fine aggregate is increased a bit higher than coarse aggregate. Thus to produce SCC, high content of fine aggregate is required, and in the present investigation, due to scarcity of natural sand, manufactured sand (M sand) has become a new generation fine aggregate as replacement for natural fine aggregate. M sand is produced by crushing rocks and due to this reason, high fines are present in M sand, which when used in concrete, will reduce workability. Thus in the present study, an effort has been made to investigate the potential usage of M sand in SCC and to carry out partial replacement by M sand for natural sand till the flowability and passing ability of SCC are in favorable limits. And it was observed that as the percentage of replacement by M sand increased up to 30%, the flowability and passing ability decreased continuously. But the hardened properties such as early age compressive strength at 1 day, 3 days, 7 days, 28 days split tensile strength, flexural strength and durability against acid and chloride ingress increased with increase in percentage of M sand up to 30%.

Article Price : Rs.50

Strengthening of Intermediate Length Cold-Formed Steel Rack Columns Using Lateral Stiffeners: An Experimental Investigation

-- M Anbarasu

In this paper, an experimental study on the ultimate load behavior of web stiffened intermediate length cold-formed steel rack column with lateral stiffener is described. An approach of transforming the open-rack column section to a partially closed section is used with lateral stiffener as a means to increase the axial stiffness and compressive strength. A total of 4 rack column sections, with and without lateral stiffener, were tested under axial compression. The length of the columns is selected by performing elastic buckling analysis using CUFSM software. The failure behavior of cold-formed steel rack column sections is closely studied for different intervals of lateral stiffeners. The results indicate that a significant increase in axial stiffness and ultimate strength of cold-formed steel rack column sections is observed when appropriate numbers of lateral stiffeners are used.

Article Price : Rs.50

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Automated Teller Machines (ATMs): The Changing Face of Banking in India

Bank Management
Information and communication technology has changed the way in which banks provide services to its customers. These days the customers are able to perform their routine banking transactions without even entering the bank premises. ATM is one such development in recent years, which provides remote banking services all over the world, including India. This paper analyzes the development of this self-service banking in India based on the secondary data.

The Information and Communication Technology (ICT) is playing a very important role in the progress and advancement in almost all walks of life. The deregulated environment has provided an opportunity to restructure the means and methods of delivery of services in many areas, including the banking sector. The ICT has been a focused issue in the past two decades in Indian banking. In fact, ICTs are enabling the banks to change the way in which they are functioning. Improved customer service has become very important for the very survival and growth of banking sector in the reforms era. The technological advancements, deregulations, and intense competition due to the entry of private sector and foreign banks have altered the face of banking from one of mere intermediation to one of provider of quick, efficient and customer-friendly services. With the introduction and adoption of ICT in the banking sector, the customers are fast moving away from the traditional branch banking system to the convenient and comfort of virtual banking. The most important virtual banking services are phone banking, mobile banking, Internet banking and ATM banking. These electronic channels have enhanced the delivery of banking services accurately and efficiently to the customers. The ATMs are an important part of a bank’s alternative channel to reach the customers, to showcase products and services and to create brand awareness. This is reflected in the increase in the number of ATMs all over the world. ATM is one of the most widely used remote banking services all over the world, including India. This paper analyzes the growth of ATMs of different bank groups in India.
International Scenario

If ATMs are largely available over geographically dispersed areas, the benefit from using an ATM will increase as customers will be able to access their bank accounts from any geographic location. This would imply that the value of an ATM network increases with the number of available ATM locations, and the value of a bank network to a customer will be determined in part by the final network size of the banking system. The statistical information on the growth of branches and ATM network in select countries.

Indian Scenario

The financial services industry in India has witnessed a phenomenal growth, diversification and specialization since the initiation of financial sector reforms in 1991. Greater customer orientation is the only way to retain customer loyalty and withstand competition in the liberalized world. In a market-driven strategy of development, customer preference is of paramount importance in any economy. Gone are the days when customers used to come to the doorsteps of banks. Now the banks are required to chase the customers; only those banks which are customercentric and extremely focused on the needs of their clients can succeed in their business today.

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