Application of initial value model in Circular Cylindrical Shell analysis

  Martin L Torres Rodriguez   Research Story To keep constant supply of portable water to Udokacha Estate posed quite pressing a c...

Global Journal of Research in Engineering
  Martin L Torres Rodriguez

  Research Story

To keep constant supply of portable water to Udokacha Estate posed quite pressing a challenge, at some time, to the owner, a private concern. Pipe borne water supply to the Estate persistently kept proving more a mirage than otherwise, at more time of each year. This prevailed overtime. Earlier on, borehole source supply had been embarked upon but to no avail as not less than three water borehole drilling companies had been engaged to explore the area for possible water supply system. Each time, each of the three companies reported not feasible an option adopting borehole water supply source at the area for the area. The Estate residents inevitably resorted to tanker truck source supply system that proved as near untenable as highly expensive due to quite far some distance the tankers have had to traverse to deliver water to the residents of the Estate.

Sequel to this scenario, there evolved the idea to bridge this acute water scarcity, and its attendant problems, with dependable central water storage facility for the Estate. Feasibility studies revealed:
  • There may be some of the periods of the year when the water storage facility can still stay dried as a result of ever persistent manner of acute scarcity of water supply to the Estate through water transmission mains from a somewhat far City.
  • a reinforced concrete water reservoir would better be underground to serve the purpose of containing cooler water for consumers;
  • within the area meant to locate the water reservoir should be provided with reasonable vegetation cover to appropriately shield the facility from excessive solar insolation impact.
Then, structural analysis of the water reservoir has got to be carried out, delivered amid having an underground reinforced concrete water storage facility that would structurally withstand inevitably two distinct situations of when dry and when full of water. The structural analysis got compelled to investigate structural survival possibility of the underground water reservoir at both conditions to which it may be exposed during its lifespan.

With results of relevant soil tests which established relevant soil characteristics and conditions, the author, with the research group, then set about investigating structurally for possible, credible solution. Gladly, the validity of the analysis got established through the use of two models, namely: initial value and classical models that led to identical results. In addition, investigation of stress effect resulting from the two conditions of the reservoir: when empty and when in full of water, revealed no loss of structural integrity for the water reservoir.

Meanwhile, at the point of having done some appreciable work on this research, there came unexpectedly, a letter from the Chief Author (Hon.) (Fellow of Association of Research in Engineering) Global Journals Incorporated, Dr. R. K. Dixit, inviting this author specifically and personally to submit this author’s upcoming research articles/papers for publication in the Global Journal of Researches in Engineering (GJRE). According to the letter, which was received on 6/12/2016, the Chief Author (Hon.), sent this letter of invitation after having come across this author’s previous research paper entitled: “Free Vibration Response of Double-Bay Multi-Storey Building Frames with Stiffened Joints.”
The link: http://dx.doi.org/10.18535/ijecs/v5i5.49
In addition, other link of this author’s previous work, in this field is: http://dx.doi.org/10.4314/njt.v34i1.11

Seeing the Chief Author’s letter of invitation got this author and the research group members to feel highly honored, tremendously elated and immensely high-spirited in a special way as to have to witness such an invitation from someone who had been unknown and unheard of before to the research group, and more so, from someone coming from other far part of the planet, earth. Chief Author’s invitation spurred this research group to work harder with enhanced zeal, zest and determination so as to beat the deadline of July 15, 2016 for submission of the research paper.

Fortunately, this research group succeeded in submitting the work within the specified deadline, though, at the ‘eleventh hour’, but at the nick of time. Eventually this research work got joined in a journey to get linked in the pdf format, courtesy of Global Journals Inc. (USA). The research work took barely two months to be completed.

Fundamentally, inspiration to research on this topic drew heavily from Professor N. N. Osadebe of the blessed memory, and Dr. A. Adamou, both of who trained this author in Dynamics of Structures and Soil- Structure Interaction courses, respectively, during this author’s Masters’ Degree program at University of Nigeria, Nsukka.

Stress effect assessed in this research work was only in respect of structural base stress that did not include some other forms of stresses. It would be suggested for additional work for this water tank be extended to other forms of stress effects such as those that may be emanating from weather elements such as temperature and terrestrial pressure stresses.

It is a uniquely fascinating, and immensely heart-warming an experience publishing in Global Journals Inc. (USA). Previous works of the author are associated with Academia Edu., and Research Gate. Author’s relatedness with such media links as You Tube or Wikipedia remains to be ascertained. However, no reference was made from those two media forums throughout the research work for the research work.

Brief and relevant information regarding the author’s University/Research Institution can be accessed at the University Website:
http://www.unizik.edu.ng

Dr. peter Ogunoh holds a Bachelor of Science Degree in Tech Ed. Building Option, Post Graduate Diploma. Master of Science and Doctor of Philosophy Degrees in Consruction Management. His research interest lies in the development of Building Maintenance Management and Built Asset Management Systems through Research and developement. Currently, he is a lecturer in the department of building. Nmadi Azikiwe University Awaka. Dr Ogunoh can be contacted at peogunoh@unizik.edu.ng.orpeogunoh@gmail.com

GJRE: Global Journals Blog


Global Journal of Research in Engineering
Mbanusi, Echefuna C., first author of the research paper, entitled: “APPLICATION OF INITIAL VALUE MODEL IN CIRCULAR CYLINDRICAL SHELL ANALYSIS”, is a lecturer in the Department of Building at Nnamdi Azikiwe University, Awka, Anambra State, Nigeria. He is, at present, pursuing his doctoral degree in Structural Engineering in the Department of Civil Engineering at University of Nigeria, Nsukka; where he obtained his M.Eng., Structural Engineering from the same Department. Earlier on, he had, respectively, his M.Sc., Construction Technology, and B.Sc., Building of Universities of Lagos, and Jos, Nigeria. His research interest: Structural Engineering – Skeletal and Thin-Walled Structures, -Soil Mechanics, Foundations. His published papers and articles have featured in many peer reviewed international research journals. His contact:
cyril.mbanusi@yahoo.com
cyril.mbanusi@gmail.com


Obodoh Dominic A. is a lecturer in the Department of Building, Nnamdi Azikiwe University Awka, Nigeria. He hails from Eke in Udi Local Government Area of Enugu State, Nigeria. He had his First School Leaving Certificate (FSLC) at Niger Close Primary School, Uwani Enugu and West African School Certificate (WASC) at Neke Boys High School Udi. After his secondary education, he proceeded to Anambra State University of Technology (ASUTECH) Enugu, where he obtained his B.Sc in Building with Second Class Honours (Upper Division). He obtained a Master of Engineering (M.Eng) degree in Civil Engineering specializing in Structural Engineering from University of Nigeria, Nsukka. He also had a Master of Science (M.Sc) degree in Construction Management from Nnamdi Azikiwe UniversityAwka Nigeria. He is currently a PhD candidate in the Department of Project Management Technology, Federal University of Technology Owerri, Nigeria. He is happily married to Chikasi Obodoh and the marriage is blessed with four lovely children.


Global Journals Blog
Dr. John U. Ezeokonkwu
Nnamdi Azikiwe University
Awka, Anambra State, Nigeria
Dr. John U. Ezeokonkwo graduated from the University of Washington, Seattle, USA (Building Construction in 1980) and Seattle University also in USA (M.Sc. in Highway/Transportation Engineering in 1982). He obtained his Ph.D. in Construction Management from Nnamdi Azikiwe University, Awka, Nigeria. Dr Ezeokonkwo has over 30 years of teaching and professional experience. He has taught in the Department of Civil Engineering and currently in the Department of Building at Nnamdi Azikiwe University. He has published papers and articles in learned Journals, most of which are in Construction Technology and materials management. His area of interest is Concrete Technology, Construction and Materials management. Dr Ezeokonkwo can be contacted at:
ezeokonkwojohn@yahoo.com
ju.ezeokonkwo@unizik.edu.ng.


GJRE: Global Journals Blog
KEVIN C.OKOLIE (PhD).
Dr Kevin Chuks Okolie is an Associate Professor of Construction Management and Head of Department of Building at Nnamdi Azikiwe University, Awka, Anambra State, Nigeria. He holds a Doctor of Philosophy Degree in Construction Management from Nelson Mandela Metropolitan University, Port Elizabeth, South Africa. His research interest lies in the development of Building Performance Evaluation Methodology, Building Survey/ Structural Integrity, Health and Safety Management and Built Asset Management Systems. His published papers and articles on Building Construction and Facilities Management have appeared in many international conferences and peer reviewed journals.

Research article:
https://globaljournals.org/GJRE_Volume16/3-Application-of-Initial-Value.pdf

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Global Journals | Engineering Innovations & Stories Blog: Application of initial value model in Circular Cylindrical Shell analysis
Application of initial value model in Circular Cylindrical Shell analysis
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