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

Jan'17



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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Application of Nanomaterials on Cement Mortar and Concrete: A Study
The Effect of Corrosion on Steel Fiber Reinforced Concrete
A Study on Partial Replacement of Coarse Aggregate with Shahabad Stone
A Comparative Study on Jute Fiber and Banana Fiber in Calcium Silicate Bricks
Numerical Modeling of Reinforced Concrete Exterior Beam-Column Joint Using ANSYS
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Contents
(October 2016)

Application of Nanomaterials on Cement Mortar and Concrete: A Study

--Mainak Ghosal and Arun Kr Chakraborty

Nanomaterials—a topic of contemporary research—has vast applications in all research areas starting from semiconductors to energy to textiles to construction. Recent investigations showed that small addition of nanoparticles, viz., Nanosilica (nS), Carbon Nanotubes (CNT) and Nano Titanium Dioxide (TiO2), have enhanced the 28-day strength of cement mortar when added in optimized quantities, and the same optimization when repeated for concrete produced good results. However, their long-term strength differs due to the poor control of the degree of freedom of their valence electron, i.e., nanomaterials tend to get oxidized in the long run. In this paper, a technical comparison of the 28-day and long-term mechanical strength of the nanoadditions to cement mortars is made with reference to ordinary controlled cement mortars and also when the same optimization is applied for nanoconcrete with reference to controlled concrete at 28 days.

The Effect of Corrosion on Steel Fiber Reinforced Concrete

-- B Vidya, D Manasa and C Nagendra Prasad

Ordinary cement concrete has very low tensile strength which leads to the failure of concrete. It has been found that different types of fibers added in specific percentage to concrete improves the mechanical properties, durability and serviceability of the structure. It is now established that one of the important properties of Steel Fiber Reinforced Concrete (SFRC) is its superior resistance to cracking and crack propagation. In this paper, the effect of fibers on the strength of concrete for M40 grade has been studied by varying the percentage of fibers in concrete. The fiber content was varied by 0.25%, 0.50%, 0.75% and 1% by volume of concrete. Cubes of size 150 mm ´ 150 mm ´ 150 mm were used to conduct the compressive strength before and after corrosion test. All the specimens were cured for a period of 3, 7 and 28 days before testing. A considerable reduction in corrosion potential was noticed. The results indicate that the strength degradation was marginal in the case of SFRC before and after accelerated corrosion test. The slump cone test results revealed that workability gets reduced with the increase in fiber content.

A Study on Partial Replacement of Coarse Aggregate with Shahabad Stone

-- J Saravanan and Suganya

With the increase in demand for construction materials, there is a strong need to utilize alternative materials for sustainable development. Advancements in technology not only get better human comforts but also harm the environment. Use of waste stone as an aggregate in construction industry has become popular and safe now. At present, construction industry is in need of finding cost-effective materials to enhance the strength of concrete. The effect of Shahabad stone (a variety of Cudappah) and the chemical admixture (superflo) on concrete was investigated. Natural aggregate had been replaced with the waste Shahabad stone in six different percentages, namely, 25, 30, 35, 40, 45 and 50%. A comparison was made between the specimens of partially replaced coarse and the same set of specimens admixed with superflo. The effect on compressive strength, split tensile strength and flexure was reported. The results indicate that the mechanical properties of concrete increase with 40% replacement of coarse aggregate with Shahabad stone.

A Comparative Study on Jute Fiber and Banana Fiber in Calcium Silicate Bricks

-- M Vijaya Sekhar Reddy and M Madhuri

The plane concrete possesses very low tensile strength, limited ductility and little resistance to cracking. The addition of small closely spaced and uniformly dispersed fibers to concrete would act as crack arrester and would substantially improve its static and dynamic properties. This paper presents the variation in strength characteristics of fly ash bricks by varying the percentage of fibers and class F fly ash. The percentage of fibers is varied from 0.25% to 0.5%. An effort for an alternate approach in the experimental manufacturing of brick was accomplished using various supplementary cementing materials like class F fly ash and hydrated lime and fibers such as jute and banana are used as key ingredients in the present investigation. Recycling such wastes by utilizing them in building materials is a moderate solution for the environmental pollution issues. Much emphasis is laid on energy-saving and economy. In this experimental study, an attempt has been made for such an alternate approach.

Numerical Modeling of Reinforced Concrete Exterior Beam-Column Joint Using ANSYS

-- A K Kaliluthin and S Kothandaraman

The paper presents the numerical modeling of Reinforced Concrete (RC) exterior beam-column joint with core reinforcement detailing using ANSYS. An experimental study was conducted on exterior RC beam-column joints detailed in three categories, viz., IS: 456 (2000) as Reference Joint (RJ), IS: 13920 (1993) as Ductile Joint (DJ) and core reinforcements as Core Joint (CJ). They were casted and tested under static loading and the results were evaluated in terms of strength, ductility and stiffness degradation. The experimental investigation is validated with the analytical studies carried out by finite element models using ANSYS. The results indicate that the use of core reinforcement at the joints exhibits a better seismic performance compared to other joint configuration.

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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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