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i-manager's Journal on Structural Engineering (JSTE)

Current Issue Vol. 12 Issue 4

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Volume 5 Issue 4 December - February 2017

Research Paper

Analysis of Transmission Towers for Optimal BracingConfiguration

Siddam Srihitha* , B.D.V. Chandra Mohan Rao**

* PG Student, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.

** Professor, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.

Srihitha, S., and Rao, B.D.V.C.M. (2017). Analysis of Transmission Towers for Optimal Bracing Configuration. i-manager’s Journal on Structural Engineering, 5(4), 1-8. https://doi.org/10.26634/jste.5.4.10383

Abstract

Transmission line towers are designed to meet the increasing demand for electrical energy. In this paper, a selfsupporting transmission line tower with three different types of bracing patterns (W, Y, and XB) is analyzed to obtain an optimal bracing configuration. The transmission tower is modelled and analyzed as a three-dimensional structure in STAAD. Pro V8i. The bracing system is the vital component in transmission line towers which provides lateral load resistance in steel towers. The base width of the tower is taken as one-sixth of the total height of the tower. All the towers considered in this work are of constant height and base width, but of different types of bracing configurations. The tower configuration has been determined by taking into account of all structural and electrical requirements of a tower. The sag, tension for both conductor and ground wire and the wind load at each panel are evaluated. The various loads acting on the tower such as transverse loads, vertical loads, longitudinal loads, and panel loads for various bracing configurations are calculated. The various parameters, such as joint displacements, and the total weight of steel required are evaluated and an optimal bracing configuration has been suggested.

References

[1]. Jesumi, A., and Rajendran, M.G., (2013). “Optimal Bracing System for Steel Towers”. International Journal of Engineering Research and Applications, Vol.3, No.2, pp.729-732.

[2]. Sk. Musthafa, and Sk. Yusuf Basha, (2016). “Dynamic Analysis of Transmission Tower”. International Journal & Magazine of Engineering, Technology, Management and Research, Vol.3, No.4, pp.506-511.

[3]. Preeti, C., and Jagan Mohan, K. (2013). “Analysis of Transmission Towers with different Configurations”. Jordan Journal of Civil Engineering, Vol.7, No.4, pp.450-460.

[4]. Sudheer, Ch., Rajashekar, K., Padmanaba Reddy, P., and Bhargava Gopi Krishna, Y. (2013). “Analysis And Design of 220 kv Transmission Line Tower in different Zones I & V with different Base Widths – A Comparative Study”. International Journal of Technology Enhancements and Emerging Engineering Research, Vol.1, No.4, pp.1-9.

[5]. Gopi Sudam Punse, (2014). “Analysis and Design of Transmission Tower”. International Journal of Modern Engineering Research, Vol.4, No.1, pp.116-138.

[6]. Keshav. Kr. Sharma, Duggal, S.K., Deepak Kumar Singh., and Sachan, A.K., (2015). “Comparative Analysis of Steel Telecommunication Tower subjected to Seismic & Wind Loading”. Civil Engineering and Urban Planning: An International Journal, Vol.2, No.3, pp.15-33.

[7]. Mr. Raghavendra, T. (2012). “Computer aided Analysis and Structural Optimization of Transmission Line Tower”. International Journal of Advanced Engineering Technology, Vol.3, No.3, pp.44-50.

[8]. Indian Standards, (1995). Code of Practice for use of Structural Steel in Overhead Transmission Line Towers - Materials and Loads (IS. 802: Part 1: Sec: 1). Bureau of Indian Standards, New Delhi, India.

[9]. Indian Standards, (1987). Code of Practice for Design Loads (other than Earthquake) for Buildings and Structures: Wind Loads (IS. 875: Part 3). Bureau of Indian Standards, New Delhi, India.

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Research Paper

Intercomparison of Probability Distributions using Goodness-of-Fit and Diagnostic Tests for Extreme Value Analysis of Rainfall

Vivekanandan N.*

*Scientist - B, Central Water and Power Research Station, Pune, Maharashtra, India.

Vivekanandan, N. (2017). Intercomparison of Probability Distributions using Goodness-of-Fit and Diagnostic Tests for Extreme Value Analysis of Rainfall. i-manager’s Journal on Structural Engineering, 5(4), 9-16. https://doi.org/10.26634/jste.5.4.10389

Abstract

Estimation of extreme rainfall for a desired return period is a prerequisite for planning, design and operation of various hydraulic structures, such as dams, bridges, barrages, and storm water drainage systems. Depending on the size and the design-life of the structure, the estimated extreme rainfall corresponding to particular return period is used. This can be computed through Extreme Value Analysis (EVA) of rainfall by fitting probability distributions to the recorded values of annual 1-day maximum rainfall. This paper illustrates the adoption of Extreme Value Type-1, Extreme Value Type-2, 2- parameter Log Normal and Log Pearson Type-3 (LP3) probability distributions in EVA of rainfall for Hissar and Tohana. Based on the applicability, standard parameter estimation procedures, viz., Method of Moments (MoM), Maximum Likelihood Method (MLM), and Order Statistics Approach are used for determination of parameters of distributions. The adequacy on the fitting of probability distributions used in EVA of rainfall is evaluated by applying Goodness-of-Fit (GoF) tests, viz., Anderson-Darling and Kolmogorov-Smirnov. In addition to GoF tests, D-index is employed to evaluate the best suitable probability distribution for estimation of extreme rainfall. The study suggests the LP3 (using MLM) is better suited amongst four probability distributions adopted in EVA for estimation of extreme rainfall for Hissar and Tohana.

References

[1]. AERB, (2008). Extreme Values of Meteorological Parameters, Atomic Energy Regulatory Board (AERB) Safety Guide. AERB/ NF/ SG/ S-3.

[2]. AlHassoun, S.A., (2011). “Developing an empirical formulae to estimate rainfall intensity in Riyadh region”. Journal of King Saud University – Engineering Sciences, Vol.23, No.1, pp. 81–88.

[3]. Baratti, E., Montanari, A., Castellarin, A., Salinas, J.L., Viglione, A., and Bezzi, A., (2012). “Estimating the flood frequency distribution at seasonal and annual time scales”. Hydrological Earth System Science, Vol.16, No.12, pp.4651–4660.

[4]. Bhakar, S.R., Bansal, A.K., Chhajed, N., and Purohit, R.C., (2006). “Frequency analysis of consecutive days maximum rainfall at Banswara, Rajasthan, India”. ARPN Journal of Engineering and Applied Sciences, Vol.1, No.1, pp.64-67.

[5]. Bobee, B., and Askhar, F., (1991). The Gamma Family and Derived Distributions applied in Hydrology. Water Resources Publications, Littleton Colo.

[6]. Charles Annis, P.E., (2009). Goodness-of-Fit Tests for Statistical Distributions. Retrieved from http://www. statisticalengineering.com/goodness.htm

[7]. Esteves, L.S. (2013). “Consequences to flood management of using different probability distributions to estimate extreme rainfall”. Journal of Environmental Management, Vol.115, No.1, pp. 98-105.

[8]. Lee, B.H., Ahn, D.J., Kim, H.G., and Ha, Y.C., (2012). “An estimation of the extreme wind speed using the Korea wind map”. Renewable Energy, Vol. 42, No.1, pp. 4–10.

[9]. Olumide, B.A., Saidu, M., and Oluwasesan, A., (2013). “Evaluation of best fit probability distribution models for the prediction of rainfall and runoff volume (Case Study Tagwai Dam, Minna-Nigeria)”. Journal of Engineering and Technology, Vol. 3, No.2, pp.94-98.

[10]. Rao, A.R., and Hameed, K.H., (2000). Flood Frequency Analysis. CRC Publications, Washington, New York.

[11]. Rasel, M., and Hossain, S.M., (2015). “Development of rainfall intensity duration frequency equations and curves for seven divisions in Bangladesh”. International Journal of Scientific and Engineering Research, Vol.6, No.5, pp. 96-101.

[12]. Saf, B., Dikbas, F., and Yasar, M., (2007). “Determination of regional frequency distributions of floods in West Mediterranean River Basins in Turkey”. Fresenius Environment Bulletin, Vol.16, No.10, pp.1300–1308.

[13]. USWRC, (1981). Guidelines for determining Flood Flow Frequency. United States Water Resources Council (USWRC) Bulletin No. 17B.

[14]. Vivekanandan, N. (2016). “Statistical analysis of rainfall data and estimation of peak flood discharge for ungauged catchments”. International Journal of Research in Engineering and Technology, Vol.5, No.2, pp. 27-31.

[15]. Varathan, N, Perera, K, and Nalin. (2010). Statistical Modeling Of Extreme Daily Rainfall in Colombo. (M.Sc Thesis). Board of Study in Statistics and Computer Science of the Postgraduate Institute of Science, University of Peradeniya, Sri Lanka.

[16]. Zhang, J., (2002). “Powerful goodness-of-fit tests based on the likelihood ratio”. Journal of Royal Statistical Society Series B, Vol.64, No.2, pp.281-294.

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Research Paper

Improvement of Bearing Capacity of Soil using Bamboo and Geosynthetics

M. Mamatha* , Suresh Kommu**

* PG Student, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.

** Assistant Professor, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.

Mamatha, M., and Kommu, S. (2017). Improvement of Bearing Capacity of Soil using Bamboo and Geosynthetics. i-manager’s Journal on Structural Engineering, 5(4), 17-22. https://doi.org/10.26634/jste.5.4.10390

Abstract

When structures have to be constructed on challenging ground conditions, soil reinforcement can be an adaptable technique to improve ground. This paper deals with the experimental and analytical studies carried out to understand the possibility of using naturally available bamboo to increase the bearing capacity of the soft soil. Already existing soil at site may not be always suitable for supporting structures, such as dams, embankment, bridges, and dams. An attempt was made in this project to investigate the mechanism of naturally available bamboo and artificially available geosynthetics placed over soft soil at different depths by performing the CBR test. Thus, in order to predict the settlement accurately underneath the foundation rest on the soil, analysis that are more realistic are necessary, and a comparison can be made between the settlement for reinforced and unreinforced soil conditions. In granular soil deposits, the in situ soil may be very loose and indicate a large elastic settlement and UCS test was conducted to know the shear strength of the soil taken for conducting experiments. This study proposes a cost effective ground improvement technique in soft soils, an alternative to geotextile and geogrids.

References

[1]. Alhaji Mohammed Mustapha, (2008). “Bamboo as soil reinforcement: A Laboratory Trail”. Leonardo Journal of Sciences, Vol.13, pp.69-77.

[2]. Datye, K.R. (1982). “Simpler technique for ground improvements”. Fourth IGS Annual Lectures, IGJ 12, New Delhi, pp.1-82.

[3]. Verma, B.P., and Char, A.N.R., (1986). “Bearing capacity tests on reinforced sand subgrade”. Journal of Geotechnical Engineering, ASCE, Vol.112, No.1, pp.701-706.

[4]. Verma, B.P., and Jha, J.N. (1992). “Three dimensional model footing tests for improving subgrades below existing footings”. Proceedings, International Symposium on Earth Reinforcement Practice, Fukuoka, pp.707-711.

[5]. Mahmoud, M.A., and Abdrabbo, F.M. (1989). “Bearing capacity tests on strip footing resting on reinforced sand subgrades”. Candian Geotechnical Journal, Vol.26, No.1, pp.154-159.

[6]. Swami Saran, (2005). Reinforced Soil and its Engineering Applications: I. K International Pvt. Ltd.

[7]. Raja J., and G.L. Siva Kumar Babu, (2013). “Bamboo as a subgrade Reinforcement for low volume Roads on soft soils”. IRC, ISSN: 0376- 7256, Vol.4, No.6, pp.29-38.

[8]. Md. Asaduzzaman, and Muhammad Iftiarul Islam, (2014). “ Soil improvement by using Bamboo reinforcement”. AJER, Vol.3, No.8, pp.362-368.

[9]. Khan, S.A. (2005). “Stabilization of Soil using Bamboo Industry Waste”. Coimbra, Portugal, Vol.32, pp.357-362.

[10]. Das, B.M., (1988). “Shallow Foundation on Sand Underlain by Soft Clay with Geotextile Interface”. Geosynthetics for Soil Improvement ASCE, National Convention, Nashville, USA. pp.112-126.

[11]. Puri, V.K., Hsiao, J.K., and Chai, J.A., (2005). “Effect of vertical reinforcement on ultimate bearing capacity of sand subgrades”. EJGE, Vol.10.

[12]. Choudhary, A.K., and Verma, B.P., (2005). “Behaviour of reinforced fly ash sub grade”. Journal of Institution of Engineers (I), Vol.86, pp.19-21.

[13]. Charan, H.D., (1995). Probabilistic Analysis of Randomly Distributed Fiber-reinforced Soil. (Ph. D. Thesis). IIT Roorkee, Roorkee, India.

[14]. Singh, H.P., (2012). “Improvement in CBR value of soil reinforced with Jute geotextile sheets”. International Journal of Earth Sciences and Engineering, Vol.5, No.2, pp.1438-1442.

[15]. Indian Standards, (1980). Determination of Water Content-dry Density Relation using Light Compaction (IS 2720- Part 7 ).

[16]. Indian Standards, (1986). Direct Shear Test (IS 2720- Part 13). Bureau of Indian Standards, New Delhi, India.

[17]. Indian Standards, (1991). Determination of Unconfined Compressive Strength (IS 2720- Part 10). Bureau of Indian Standards, New Delhi, India.

[18]. Indian Standards, (1980). Determination of specific gravity (IS: 2720- Part 3). Bureau of Indian Standards, New Delhi, India.

[19]. Indian Standards, (1985). Grain Size Analysis ( IS: 2720- Part 4). Bureau of Indian Standards, New Delhi, India.

[20]. Indian Standards, (1985). Determination of Liquid and Plastic Limit (IS: 2720- Part 5). Bureau of Indian Standards, New Delhi, India.

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Research Paper

Effect of Mass of Moving Load on Dynamic Response of a Simply Supported Railway Bridge

Rohit Kumar Mittal* , Vutukuru Krishna Sai, Pabitra Ranjan Maiti*

- PG Scholar, Department of Civil Engineering, Indian Institute of Technology (BHU), Varanasi, India.

Associate Professor, Department of Civil Engineering, Indian Institute of Technology (BHU), Varanasi, India.

Mittal, R.K., Sai, V.K., and Maiti, P.R. (2017). Effect of Mass of Moving Load on Dynamic Response of a Simply Supported Railway Bridge. i-manager’s Journal on Structural Engineering, 5(4), 23-29. https://doi.org/10.26634/jste.5.4.10391

Abstract

Moving loads have great impact on structures. On one side, concentrated load moving with high speed induces dynamic impact on structures, influencing their working state and service life. On the other side, these vibrations of the bridge caused due to moving load in turn affect the running stability and safety of moving load.Only in case of short span bridges when mass of moving load is comparable to mass of the bridge, moving load is also taken into account to perform dynamic analysis of the bridge. Displacement response to variation in speed of moving load at different damping of the bridge are plotted and compared when deflection is to be considered at different locations on the bridge. It is observed that when concentrated load moves with critical speed, maximum deflection takes place at mid span of the bridge. When damping is taken into account, a point of singularity occurs below which derived governing equation holds good. The effect of mass of moving load on the dynamic response of the bridge is studied and it is concluded that governing equation in both cases, i.e. without considering the mass of moving load and with consideration of mass of moving load, overlap each other.

References

[1]. R. Willis, (1849). Appendix to the Report of the Commissioners Appointed to Inquire into the Application of Iron to Railway Structures. H.M. Stationary Office, London, UK.

[2]. G.G. Stokes, (1849). “Discussion of a differential equation relating to the braking of railway bridges”. Transactions of the Cambridge Philosophical Society, Vol.8, No.5, pp.707–735.

[3]. C.E. Inglis, (1934). A Mathematical Treatise on Vibration in Railway Bridges. Cambridge University Press, Cambridge, UK.

[4]. S.P. Timoshenko, (1922). “On the forced vibrations of bridges”. Philosophical Magazine Series, Vol.6, No.43, pp.1018–1019.

[5]. J.M. Biggs, (1964). Introduction to Structural Dynamics. McGraw-Hill, New York.

[6]. Esmailzadeh E., and Ghorashi M. (1997). “Vibration analysis of beams traversed byuniform partially distributed moving masses”. J. of Sound and Vibration, Vol.184, No.1, pp.9- 17.

[7]. Fryba, L. (2001). “A rough assessment of railway bridges for high speed trains”. Eng. Struct., Vol.23, No.5, pp.548-556.

[8]. B. Lena, (2004). Dynamic Analysis of a Railway Bridge subjected to High Speed Trains. (Master Thesis). Royal Institute of Technology, Stockholm.

[9]. Majka, M., and Hartnett, M., (2008). “Effects of speed, load and damping on the dynamic response of railway bridge and vehicles”. Comput. Struct., Vol.86, No.6, pp.556-572.

[10]. Liu K., Roeck G. De, and Lombaert G., (2009). “The effect of dynamic train bridge interaction on the bridge response during a train passage”. J. Sound and Vibration, Vol. 325, No.1, pp.240-251.

[11]. Mao Lei, and Lu Yang, (2013). “Critical speed and resonance criteria of Railway Bridge response to moving trains”. Journal of Bridge Engg., Vol.18, No.2, pp.131-141.

[12]. Domenech A. Museros P., and Martinez Rodrigo M.D., (2014). “Influence of the vehicle model on the prediction of the maximum bending response of simply supported bridges under high speed railway traffic”. Engineering Structures, Vol.72, pp.123-139.

[13]. Ruiz A.C. Alonso T.R., and Perez C.I., (2014). “Dynamic response of high speed railway bridge decks with beams transverse to the direction of track”. J. of Bridge Engineering, Vol.19, No.11, pp.1- 12.

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Research Paper

Dynamic Analysis of RC Chimneys

T. Sharvani* , B.D.V. Chandra Mohan Rao**

* PG Student, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.

** Professor, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.

Sharvani, T., and Rao, B.D.V.C.M (2017). Dynamic Analysis of RC Chimneys. i-manager’s Journal on Structural Engineering, 5(4), 30-37. https://doi.org/10.26634/jste.5.4.11389

Abstract

Reinforced Concrete chimneys are commonly used in major industries and power plants .Chimneys are slender structures, and loads acting on the chimney are self weight, wind loads, earthquake loads, and temperature loads. The designs of chimneys are normally governed by wind or earthquake loads. The dynamic characteristics of the RC chimney will vary in a wider range with respect to the aspect ratio (ratio of height to longitudinal section). In this paper, Dynamic analysis of an RC chimney in zone III is carried out by Response spectrum analysis as per IS 1893:2005 for different top and bottom diameters of the chimney and varying thickness of the shell using software SAP2000 version 18.0.1. Grade of concrete used is M25. The influence of various geometric parameters H/D and D/T ratios on the modal parameters and dynamic response of the structure, i.e., top displacement, fundamental frequencies, and Base shear are investigated.

References

[1]. Amit Nagar, Shiva Shankar. M., and T. Soumya, (2015). “Non Liner Dynamic Analysis of RCC Chimney ”. International Journal of Engineering Research & Technology (IJERT), Vol.4, No.7, pp.530-535.

[2]. Aneet Khombe, Anand Bagali, Md Imran G, Irayya R, and Sachin R Kulkarni, (2016). “Seismic Analysis and Design of RCC Chimney”. International Journal of Advance Engineering and Research Development, Vol.3, No.5, pp.903-913.

[3]. Indian Standards, (2002). Criteria for Earthquake Resistant Design of Structures - Part 1 General Provisions and Buildings (Fifth Revision) (IS 1893 -Part 1). Bureau of Indian Standards, New Delhi, India.

[4]. K. Anil Pradeep, and C.V. Siva Rama Prasad, (2014). “Governing Loads for Design of a 60 m Industrial RCC Chimney”. International Journal of Innovative Research in Science, Engineering and Technology. Vol.3, No.8, pp.15151-15159.

[5]. Rajkumar, Vishwanath, and B. Patil, (2013). “Analysis of Self-Supporting Chimney ”. International Journal of Innovative Technology and Exploring Engineering (IJITEE), Vol.3, No.5, pp.85-91.

[6]. Sagar S, and Basavarj Gudadappanavar, (2015). “Performance Based Seismic Evaluation of Industrial Chimneys by Static and Dynamic Analysis”. International Research Journal of Engineering and Technology (IRJET) Vol.2, No.4, pp.1670-1674.

[7]. Yoganantham. C, and Helen Santhi. M., (2013). “Modal Analysis of RCC Chimney”. International Journal of Research in Civil Engineering, Architecture & Design, Vol.1, No.2, pp. 20-23.

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Research Paper

Assessment of Resonance Effects on Railway Bridges under Moving Loads

Anand* , R. S. Sonparote**

* Assistant Professor, Department of Civil Engineering, Shri Ramdeobaba College of Engineering and Management, Nagpur.

** Associate Professor, Department of Applied Mechanics, Visvesvaraya National Institute of Technology, Nagpur.

Gharad, A.M., and Sonparote, R.S. (2017). Assessment of Resonance Effects on Railway Bridges under Moving Loads. i-manager’s Journal on Structural Engineering, 5(4), 38-47. https://doi.org/10.26634/jste.5.4.11390

Abstract

In this work, a Finite Element (FE) approach to assess the dynamic response of simply supported railway bridges subjected to loads moving with a constant velocity was studied. Euler-Bernoulli beam was used to simulate the bridge. Verification of the dynamic response using the Finite Element Method was done with respect to the available analytical solutions. Post-validation, a two-span continuous beam was analyzed using FE approach. A three-dimensional model, both for simply supported and two-span continuous bridges, formulated in the time domain to study the dynamic response due to passage of moving loads was carried out. 8 noded solid (brick) elements were used to simulate the sleepers, ballast and bridge; whereas the rails were modeled using frame elements. A parametric study to evaluate the resonance response of the 3D railway bridge structure was conducted.

References

[1]. Biondi, B., Muscolino, G., and Sofi, A., (2005). “A substructure approach for the dynamic analysis of traintrack- bridge system”. Computers & Structures, Vol.83, No.28-30, pp.2271-2281.

[2]. Cheng, Y.S., Au, F.T.K., and Cheung, Y.K., (2001). “Vibration of railway bridges under a moving train by using bridge-track-vehicle element”. Engineering Structures, Vol.23, No.12, pp.1597-1606.

[3]. Cheung Y.K., Au F.T.K., Zheng D.Y., and Cheng Y.S., (1999). “Vibration of multi-span non-uniform bridges under moving vehicles and trains by using modified beam vibration functions.” Journal of Sound and Vibration, Vol.228, No.3, pp.611–628.

[4]. Chopra, A.K., (2008). Dynamics of Structures Theory and Applications to Earthquake Engineering. New Delhi: Third Edition Prentice-Hall of India.

[5]. Delgado, R.M., and Cruz, S., (1997). “Modelling of railway bridge-vehicle interaction on high speed tracks.” Computers & Structures, Vol.63, No.3, pp.511-523.

[6]. European Committee for Standardisation (CEN), (2008). Eurocode1: Actions on Structures—Part 2: Traffic Loads on Bridges.

[7]. Frýba, L., (2001). “A rough assessment of railway bridges for high speed trains”. Engineering Structures, Vol.23, No.5, pp.548-56.

[8]. Henriques, J., (2007). Dynamic Behaviour and Vibration Control of High-Speed Railway Bridges through Tuned Mass Dampers. (Master Thesis). Instituto Superior Tecnico (IST), TULisbon.

[9]. Ju, S.H., and Lin, H.T., (2003). “Resonance characteristics of high-speed trains passing simply supported bridges”. Journal of Sound and Vibration, Vol.267, No.5, pp.1127-1141.

[10]. Kwark J.W., Choi E.S., Kim Y.J., Kim B.S., and Kim S.I., (2004). “Dynamic behavior of two-span continuous concrete bridges under moving high-speed train.” Computers and Structures, Vol.82, No.4-5, pp.463–474.

[11]. Liu, K., Roeck, G.D., and Lombaert, G., (2009). “The effect of dynamic train–bridge interaction on the bridge response during a train passage”. Journal of Sound and Vibration, Vol.325, No.1–2, pp.240–251.

[12]. Martínez-Rodrigo, M.D. and Museros, P., (2011). “Optimal design of passive viscous dampers for controlling the resonant response of orthotropic plates under highspeed moving loads”. Journal of Sound and Vibration, Vol.330, No.7, pp.1328–1351.

[13]. Museros, P., and Alarcón, E., (2005). “Influence of the second bending mode on the response of high-speed bridges at resonance”. Journal of Structural Engineering, Vol.131, No.3, pp.405–15.

[14]. Museros, P., and Martínez-Rodrigo, M.D., (2007). “Vibration control of simply supported beams under moving loads using fluid viscous dampers.” Journal of Sound and Vibration, Vol.300, No.1–2, pp.292–315.

[15]. Pesterev, A.V., Bergman, L.A., Tan, C.A., Tsao, T.C., and Yang B., (2003). “On asymptotics of the solution of the moving oscillator problem.” Journal of Sound and Vibration, Vol.260, No.3, pp.519–536.

[16]. Romero, A., Solís, M., Domínguez, J., and Galvín, P., (2013). “Soil–structure interaction in resonant railway bridges”. Soil Dynamics and Earthquake Engineering, Vol.47, pp.108-116.

[17]. SAP2000 v14.2.4., (2014). Integrated Software for Structural Analysis & Design-User's Manual. Retrieved from http://www.csiberkeley.com/products_SAP.html

[18]. Song, M.K., Noh, H.C., and Choi, C.K. (2003). “A new three-dimensional finite element analysis model of highspeed train-bridge interactions”. Engineering Structures, Vol.25, No.13, pp.1611-1626.

[19]. Teng, Y.F., Teng, N.G. and Kou, X.J. (2008). “Vibration analysis of continuous maglev guideway considering the magnetic levitation system”. Journal of Shanghai Jiaotong University (Science), Vol.13, No.2, pp.211–215.

[20]. Wang, Y., Wei, Q. C., Shi, J., and Long X., (2010). “Resonance characteristics of two-span continuous beam under moving high speed trains”. Latin American Journal of Solids and Structures, Vol.7, No.2, pp.185-199.

[21]. Wu, Y.S., Yang, Y.B., and Yau, J.D., (2001). “Three- Dimensional Analysis of Train-Rail-Bridge Interaction Problems”. Vehicle System Dynamics, Vol.36, No.1, pp.1-35.

[22]. Xia, H., De Roeck, G., Zhang, N., and Maeck, J., (2003). “Experimental analysis of a high-speed railway bridge under THALYS trains”. Journal of Sound and Vibration, Vol.268, No.1, pp.103-113.

[23]. Xia, H., Zhang, N., and Gao, R., (2005). “Experimental analysis of railway bridge under high-speed trains”. Journal of Sound and Vibration, Vol.282, No.1-2, pp.517-528.

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i-manager's Journal on Structural Engineering (JSTE)

Current Issue Vol. 12 Issue 4

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Volume 5 Issue 4 December - February 2017

Analysis of Transmission Towers for Optimal BracingConfiguration

Siddam Srihitha* , B.D.V. Chandra Mohan Rao**

* PG Student, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India. ** Professor, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.

Srihitha, S., and Rao, B.D.V.C.M. (2017). Analysis of Transmission Towers for Optimal Bracing Configuration. i-manager’s Journal on Structural Engineering, 5(4), 1-8. https://doi.org/10.26634/jste.5.4.10383

Abstract

References

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Intercomparison of Probability Distributions using Goodness-of-Fit and Diagnostic Tests for Extreme Value Analysis of Rainfall

Vivekanandan N.*

*Scientist - B, Central Water and Power Research Station, Pune, Maharashtra, India.

Vivekanandan, N. (2017). Intercomparison of Probability Distributions using Goodness-of-Fit and Diagnostic Tests for Extreme Value Analysis of Rainfall. i-manager’s Journal on Structural Engineering, 5(4), 9-16. https://doi.org/10.26634/jste.5.4.10389

Abstract

References

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Improvement of Bearing Capacity of Soil using Bamboo and Geosynthetics

M. Mamatha* , Suresh Kommu**

* PG Student, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India. ** Assistant Professor, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.

Mamatha, M., and Kommu, S. (2017). Improvement of Bearing Capacity of Soil using Bamboo and Geosynthetics. i-manager’s Journal on Structural Engineering, 5(4), 17-22. https://doi.org/10.26634/jste.5.4.10390

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Effect of Mass of Moving Load on Dynamic Response of a Simply Supported Railway Bridge

Rohit Kumar Mittal* , Vutukuru Krishna Sai**, Pabitra Ranjan Maiti***

*-** PG Scholar, Department of Civil Engineering, Indian Institute of Technology (BHU), Varanasi, India. *** Associate Professor, Department of Civil Engineering, Indian Institute of Technology (BHU), Varanasi, India.

Mittal, R.K., Sai, V.K., and Maiti, P.R. (2017). Effect of Mass of Moving Load on Dynamic Response of a Simply Supported Railway Bridge. i-manager’s Journal on Structural Engineering, 5(4), 23-29. https://doi.org/10.26634/jste.5.4.10391

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Dynamic Analysis of RC Chimneys

T. Sharvani* , B.D.V. Chandra Mohan Rao**

* PG Student, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India. ** Professor, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.

Sharvani, T., and Rao, B.D.V.C.M (2017). Dynamic Analysis of RC Chimneys. i-manager’s Journal on Structural Engineering, 5(4), 30-37. https://doi.org/10.26634/jste.5.4.11389

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Assessment of Resonance Effects on Railway Bridges under Moving Loads

Anand* , R. S. Sonparote**

* Assistant Professor, Department of Civil Engineering, Shri Ramdeobaba College of Engineering and Management, Nagpur. ** Associate Professor, Department of Applied Mechanics, Visvesvaraya National Institute of Technology, Nagpur.

Gharad, A.M., and Sonparote, R.S. (2017). Assessment of Resonance Effects on Railway Bridges under Moving Loads. i-manager’s Journal on Structural Engineering, 5(4), 38-47. https://doi.org/10.26634/jste.5.4.11390

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* PG Student, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.

** Professor, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.

* PG Student, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.

** Assistant Professor, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.

Rohit Kumar Mittal* , Vutukuru Krishna Sai, Pabitra Ranjan Maiti*

- PG Scholar, Department of Civil Engineering, Indian Institute of Technology (BHU), Varanasi, India.

Associate Professor, Department of Civil Engineering, Indian Institute of Technology (BHU), Varanasi, India.

* PG Student, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.

** Professor, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.

* Assistant Professor, Department of Civil Engineering, Shri Ramdeobaba College of Engineering and Management, Nagpur.

** Associate Professor, Department of Applied Mechanics, Visvesvaraya National Institute of Technology, Nagpur.