B.Eng, M.Eng, PhD
Email: N/A
Lawrence Ogbonnia Ettu is currently a Professor of Civil Engineering at the Federal University of Technology, Owerri (FUTO). Born on October 10, 1960, he commenced secondary education in Nigeria at Madonna High School, Ihitte (1976-1980) and finished with a Distinction at Government Secondary School, Afikpo (1980-1981). He holds a B.Sc. in Civil Engineering with First Class Hons from Unife, now Obafemi Awolowo University, OAU (1986); an M.Sc. in Civil Engineering from Unilag (1990); PGD in Computer Science from OAU (1992); and Ph.D. in Civil Engineering (Structures) from FUTO (2013). He is also a member of the Nigeria Society of Engineers (1992) and a COREN-registered Engineer (1992). Rev. Engr. Prof. L. O. Ettu started his academic career as a Graduate Assistant at OAU in 1989, where he rose to the rank of Lecturer II in 1992 and later joined the services of FUTO still as Lecturer II in 1994. He was promoted to the ranks of Lecturer I in 1997, Senior Lecturer in 2013, Reader in 2016, and Professor in 2019. Besides teaching and supervising undergraduate and postgraduate students of Civil Engineering, Rev. Engr. Prof. L. O. Ettu has served in different capacities in university administration, community development, and Civil Engineering consultancy from 1986 till date. He successfully served as Class Adviser to two sets of Civil Engineering students, the 1995-2000 and 2000-2005 sets; Chairman of Laboratory Committee and Final Year Project Coordinator for a number of years; and Head of Department of Civil Engineering, 2020-2022. He has authored/co-authored four standard university textbooks in Civil Engineering and has published over sixty papers in reputable journals. Rev. Engr. Prof. L. O. Ettu is also an ordained Minister of the Gospel (1998) and holds a Doctorate in Christian Apologetics from Southern Evangelical Seminary, Charlotte, USA (2010). He is happily married to Dr. Mrs. T. U. Ettu, the current Director of Owerri Study Center of National Open University of Nigeria (NOUN) and has four children and three grandchildren (As at April 2022). |
Academic Qualification
B.Sc. Civil Engineering; M.Sc. Civil Engineering; Ph.D. Civil Engineering (Structures); PGD Computer Science; DMin in Christian Apologetics.
Honours/Awards
Affiliations
COREN, Reg. No. R.4991, 1992.
Courses Assigned to Teach
Research Interest
Determining the effects of varying key factors on the performance of structural concrete; Improving concrete quality using different combinations of pozzolans and admixtures; Investigating the effects of different combinations of pozzolans and admixtures on the qualities of structural concrete; Optimization of qualities of concrete produced with different types of main components; Development of models for predicting concrete qualities.
Publications
Published Textbooks: 1. Ettu, Lawrence O. (2001). Design of Reinforced Concrete Elements to BS 8110 (1997). Owerri: Charismatic Forum Publications Ltd. 2. Ettu, Lawrence O. (2010). An Illustrated Guide to Thesis Writing. Owerri: Charismatic Forum Publications Ltd. 3. Ibearugbulem, O. M., Ezeh, J. C., & Ettu, L. O. (2014). Energy Methods in Theory of Rectangular Plates (Use of Polynomial Shape Functions). Owerri: Liu House of Excellence Ventures. 4. Ettu, L. O., Ibearugbulem, O. M., & Arimanwa, M. C. (2015). Foundational Structural Theory & Analysis. Owerri: Liu House of Excellence Ventures.
Published Papers:
1. Ezeh, J.C., Onodagu, P. D., Ibearugbulem, O.M., and Ettu, L.O. (2019). Application of Weak-Form Variational Method in Nonlinear Free Vibration Analysis of Highly Clamped Rectangular Plates. Saudi Journal of Engineering and Technology, 4(8): 310-319. 2. Anyaogu, L, Ezeh, J.C., Ibearugbulem, O.M., Ettu, L.O, and Okoroafor, S. U. (2018). Determination of Effectiveness of Inclined Stiffeners of Thin Cylindrical Shell under Uniform Bending. International Journal of Scientific & Engineering Research, 9(5): 1489-1497. 3. Ibearugbulem, O. M., Ezeh, J. C., Ettu, L. O., and Gwarah, L. S. (2018). Bending Analysis of Rectangular Thick Plate Using Polynomial Shear Deformation Theory. IOSR Journal of Engineering (IOSRJEN), 8(9): 53-61. 4. Ezeh, J. C., Ibearugbulem, O. M., Ettu, L. O., Gwarah, L. S., and Onyechere, I. C. (2018). Application of Shear Deformation Theory for Analysis of CCCS and SSFS Rectangular Isotropic Thick Plates. IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE), 15(5): 33-42. Published Sept-Oct. 5. Ezeh, J. C., Anyaogu, L., Ibearugbulem, O. M., Ettu, L. O., and Okoroafor, S. U. (2018). Buckling Analysis of Thin Cylindrical Shell Reinforced with Inclined Stiffeners under Uniform Axial Compression using Direct Variational Principle. International Journal of Scientific & Engineering Research, 9(5): 1480-1488. 6. Ettu, L. O., Amadi, S. O., Onyezewe, E., Awodiji, C. T. G., and Iwu, U. (2016). Flexural Strengths of Concretes Containing Rice Husk Ash from Different Calcination Methods. International Journal of Innovative Science, Engineering & Technology (IJISET), 3(12): 12-19. 7. Ettu, L. O., Onyezewe, E., Njoku, F. C., Amanze, A. P. C., and Iwuoha, S. E. (2016). Flexural Strength of Concretes Containing Saw Dust Ash from Different Calcination Methods. International Journal of Modern Sciences and Engineering Technology (IJMSET), 3(11): 21-27. 8. Ettu, L. O., Awodiji, C. T. G., Opara, H. E., Onyema, K. N., and Ejiogu, E. K. (2016). Compressive Strength of Ternary Blended Cement Sandcrete Incorporating Saw Dust Ash and Oil Palm Bunch Ash. International Journal of Current Trends in Engineering & Research (IJCTER), 2(10): 5-11. 9. Ettu, L. O., Amadi, H. U., Amatobi, D. A., Onyezewe, E., and Ajah, C. U. (2016). Compressive Strength of Ternary Blended Cement Sandcrete Incorporating Rice Husk Ash And Oil Palm Bunch Ash. International Journal of Engineering Research and Allied Sciences (IJERAS), 1(7): 21-24. 10. Ettu, L. O., Ezenkwa, C. S., Amatobi, D. A., Onyezewe, E., and Ogbonnaya, P. (2016). Tensile Strengths of Concrete Containing Rice Husk Ash from Different Calcination Methods. International Research Journal of Engineering and Technology (IRJET), 3(7): 50-55. 11. Ettu, L. O., Ibearugbulem, O. M., Ezenkwa, C. S., Amatobi, D. A., and Onyezewe, E. (2016). Split Tensile Strengths of Concrete Incorporating Rice Husk Ash and Saw Dust Ash. Journal of Multidisciplinary Engineering Science and Technology (JMEST), 3(7): 5194-5198. 12. Ettu, L. O., Ezenkwa, C. S., Awodiji, C. T. G., Njoku, F. C., and Opara, H. E. (2016). Tensile Strengths of Concrete Containing Sawdust Ash from Different Calcination Methods. International Journal of Scientific Research in Science, Engineering and Technology (IJSRSET), (2)4: 349-355. 13. Oguaghamba, O. A., Ezeh, J. C., Ibearugbulem, M. O., Ettu, L. O. (2015). Buckling and Postbuckling Loads Characteristics of all Edges Clamped Thin Rectangular Plate. International Journal of Engineering And Science (IJES), 4(11): 55-61. 14. Ezeh, J. C., Ibearugbulem, M. O., Ettu, L. O., and Oguaghamba, O. A. (2015). Work Principle Method for Elastic Buckling and Postbuckling Behaviour of all Edges Simply Supported Thin Rectangular Plate. Elixir Civil Engg., 88(2015): 36132-36136. 15. Ibearugbulem, M. O., Ezeh, J. C., Ettu, L. O., and Oguaghamba, O. A. (2015). Buckling and Postbuckling Strength of CSCS Thin Rectangular Plate. International Journal of Innovative Research & Development (IJIRD), 4(11): 206-212. 16. Ettu, L. O., Njoku, F. C., Arimanwa, J. I., Nwachukwu, K. C., and Opara, H. E. (2013). Variation of OPC-Rice Husk Ash Composites Strength with Mix Proportion. International Journal of Scientific & Engineering Research (IJSER), 4 (9): 929-933. 17. Ettu, L. O., Ajoku, C. A., Nwachukwu, K. C., Awodiji, C. T. G., and Eziefula, U. G. (2013). Strength Variation of OPC-Rice Husk Ash Composites with Percentage Rice Husk Ash. Int. Journal of Applied Sciences and Engineering Research (IJASER), 2(4): 420-424. 18. Ettu, L. O., Anya, U. C., Nwachukwu, K. C., Arimanwa, J. I., and Opara, H. E. (2013). Variation of OPC-Rice Husk Ash-Saw Dust Ash Composites Strength under Prolonged Curing. International Journal of Scientific & Engineering Research (IJSER), 4 (9): 562-566. 19. Ettu, L. O., Njoku, F. C., Anya, U. C., Amanze, A. P. C., and Arimanwa, M. C. (2013). Variation of OPC-Saw Dust Ash Composites Strength with Mix Proportion. International Journal of Advancements in Research & Technology (IJOART), 2 (8): 171-177. 20. Ettu, L. O., Mbajiorgu, M. S. W., Njoku, F. C., Arimanwa, J. I., and Amanze, A. P. C. (2013). Prospects of Nigerian Agricultural by-Product Ashes for Blended Cement Making. International Journal of Civil Engineering Research & Applications (IJCERA), 1(4): 1-9. 21. Ettu, L. O., Anya, U. C., Nwachukwu, K. C., Arimanwa, J. I., and Awodiji, C. T. G. (2013). Variation of OPC-Saw Dust Ash Composites Strength under Prolonged Curing. International Journal of Advancements in Research & Technology (IJOART), 2 (8): 67-71. 22. Ettu, L. O., Mbajiorgu, M. S. W., Njoku, F. C., Ajoku, C. A., and Nwachukwu, K. C. (2013). Strength Variation of OPC-Saw Dust Ash Composites with Percentage Saw Dust Ash. Civil and Environmental Research (CER), 3(9): 53-58. 23. Ettu, L. O., Njoku, F. C., Awodiji, C. T. G., Amanze, A. P. C., and Arimanwa, M. C. (2013). Variation of OPC-Rice Husk Ash-Saw Dust Ash Composites Strength with Mix Proportion. International Journal of Engineering Sciences & Research Technology (IJESRT), 2(8): 1964-1969. 24. Ettu, L. O., Mbajiorgu, M. S. W., Anya, U. C., Arimanwa, J. I., and Nwachukwu, K. C. (2013). Strength Variation of OPC-Rice Husk Ash-Saw Dust Ash Composites with Percentage Rice Husk Ash-Saw Dust Ash. International Journal of Advanced Research in Civil Engineering (IJOARCE), 1(7): 14-21. 25. Ettu, L. O., Anya, U. C., Arimanwa, J. I., Nwachukwu, K. C., and Okpara, S. O. (2013). Variation of OPC-Rice Husk Ash-Saw Dust Ash Composites Strength with Water-Cement Ratio. International Journal of Engineering Research and Development (IJERD), 8(3) (August 2013): 26-30. 26. Njoku, K. O., Ezeh, J. C., Ibearugbulem, O. M., Ettu, L. O., and Anyaogu, L. (2013). Free Vibration Analysis of Thin Rectangular Isotropic CCCC Plate Using Taylor Series Formulated Shape Function in Galerkin’s Method. Academic Research International, 4(4): 126-132. 27. Ettu, L. O., Mbajiorgu, M. S. W., Nwachukwu, K. C., and Arimanwa, J. I. (2013). Variation of Strength of OPC-Rice Husk Ash Cement Composites with Water-Cement Ratio. International Journal of Engineering Sciences & Research Technology (IJESRT), 2(7): 1868-1872. 28. Ibearugbulem, O. M., Ettu, L. O., Ezeh, J. C., and Anya, U. C. (2013). A New Regression Model for Optimizing Concrete Mixes. International Journal of Engineering Sciences & Research Technology (IJESRT), 2(7): 1735-1742. 29. Ettu, L. O., Nwachukwu, K. C., Arimanwa, J. I., Awodiji, C. T. G., and Opara, H. E. (2013). Variation of Strength of OPC-Saw Dust Ash Cement Composites with Water-Cement Ratio. International Refereed Journal of Engineering and Science (IRJES), 2 (7): 09-13. 30. Ettu, L. O., Mbajiorgu, M. S. W., and Nwachukwu, K. C. (2013). Variation of OPC-Rice Husk Ash Composites Strength under Prolonged Curing. International Journal of Engineering Research & Technology (IJERT), 2 (7): 2276-2283. 31. Ibearugbulem, O.M., Ezeh, J. C, and Ettu, L.O. (2013). Pure bending analysis of thin rectangular SSSS plate using Taylor-Mclaurin series. International Journal of Civil and Structural Engineering, 3(4): 685-691. 32. Ezeh, J. C., Ibearugbulem, O. M., Njoku, K. O., and Ettu, L. O. (2013). Dynamic Analysis of Isotropic SSSS Plate Using Taylor Series Shape Function in Galerkin’s Functional. International Journal of Emerging Technology and Advanced Engineering (IJETAE), 3 (5): 372-375. 33. Ettu, L. O., Mbajiorgu, M. S. W., and Arimanwa, J. I. (2013). Strength of Blended Cement Sandcrete & Soilcrete Blocks Containing Cassava Waste Ash and Plantain Leaf Ash. American Journal of Engineering Research (AJER), 2 (5): 55-60. 34. Ettu, L. O., Ezeh, J. C., and Mbajiorgu, M. S. W. (2013). Strength of Binary Blended Cement Composites Containing Pawpaw Leaf Ash. International Journal of Advancements in Research & Technology (IJOART), 2 (5): 236-240. 35. Ettu, L. O., Nwachukwu, K. C., Arimanwa, J. I., Anyanwu, T. U., and Okpara, S. O. (2013). Strength of Blended Cement Sandcrete & Soilcrete Blocks Containing Afikpo Rice Husk Ash and Corn Cob Ash. International Journal of Modern Engineering Research (IJMER), 3 (3): 1366-1371. 36. Ettu, L. O., Mbajiorgu, M. S. W., and Njoku, F. C. (2013). Strength of Ternary Blended Cement Sandcrete Containing Coconut Husk Ash and Plantain Leaf Ash. International Journal of Emerging Technology and Advanced Engineering (IJETAE), 3 (5): 10-14. 37. Ettu, L. O., Ibearugbulem, O. M., Ezeh, J. C., and Anya, U. C. (2013). The Suitability of Using Laterite as Sole Fine Aggregate in Structural Concrete. International Journal of Scientific & Engineering Research (IJSER), 4 (5): 502-507. 38. Ettu, L. O., Arimanwa, J. I., Njoku, F. C., Amanze, A. P. C., and Eziefula, U. G. (2013). Strength of Blended Cement Sandcrete & Soilcrete Blocks Containing Sawdust Ash and Pawpaw Leaf Ash. International Journal of Engineering Inventions (IJEI), 2 (8): 35-40. 39. Ettu, L. O., Anya, U. C., Awodiji, C. T. G., Njoku, K. O., and Chima, A. C. (2013). Strength Of Ternary Blended Cement Sandcrete Containing Corn Cob Ash And Pawpaw Leaf Ash. International Journal of Engineering Research and Applications (IJERA), 3 (3): 731-735. 40. Ettu, L. O., Ibearugbulem, O. M., Anya, U. C., Nwachukwu, K. C., and Awodiji, C. T. G. (2013). Strength of Blended Cement Soilcrete Containing Afikpo Rice Husk Ash and Saw Dust Ash. International Journal of Engineering Research and Development (IJERD), 7 (2): 52-57. 41. Ettu, L. O., Nwachukwu, K. C., Arimanwa, J. I., Awodiji, C. T. G., and Opara, H. E. (2013). Strength of Ternary Blended Cement Concrete Containing Oil Palm Bunch Ash and Plantain Leaf Ash. International Journal of Computational Engineering Research (IJCER), 3 (5): 64-68. 42. Ettu, L. O., Arimanwa, J. I., Nwachukwu, K. C., Awodiji, C. T. G., and Amanze, A. P. C. (2013). Strength of Ternary Blended Cement Concrete Containing Corn Cob Ash and Pawpaw Leaf Ash. The International Journal Of Engineering And Science (IJES), 2 (5): 84-89. 43. Ettu, L. O., Arimanwa, J. I., Nwachukwu, K. C., Awodiji, C. T. G., and Eziefula, U. G. (2013). Strength Of Ternary Blended Cement Concrete Containing Cassava Waste Ash And Coconut Husk Ash. Research Inventy: International Journal Of Engineering And Science, 2 (12): 10-15. 44. Ettu, L. O., Arimanwa, J. I., Nwachukwu, K. C., Njoku, F. C., and Opara, H. E. (2013). Strength Of Blended Cement Sandcrete & Soilcrete blocks Containing Coconut Husk Ash And Oil Palm Bunch Ash. International Journal of Engineering Research & Technology (IJERT), 2 (5): 386-394. 45. Ettu, L. O., Ezeh, J. C., and Mbajiorgu, M. S. W. (2013). Strength of Ternary Blended Cement Sandcrete Containing Cassava Waste Ash and Oil Palm Bunch Ash. IOSR Journal of Engineering (IOSRJEN), 3 (4): 47-51. 46. Ettu, L. O., Ibearugbulem, O. M., Njoku, K. O., Anyaogu, L., and Agbo, S. I. (2013). Strength of Ternary Blended Cement Sandcrete Containing Afikpo Rice Husk Ash and Saw Dust Ash. American Journal of Engineering Research (AJER), 2 (4): 133-137. 47. Ettu, L. O., Mbajiorgu, M. S. W., and Njoku, F. C. (2013). Strength of Binary Blended Cement Composites Containing Oil Palm Bunch Ash. International Journal of Engineering Science Invention (IJESI), 2 (4): 52-57. 48. Ettu, L. O., Ezeh, J. C., Anya, U. C., Arimanwa, J. I., and Nwachukwu, K. C. (2013). Strength of Binary Blended Cement Composites Containing Plantain Leaf Ash. IOSR Journal of Engineering (IOSRJEN), 3 (4): 54-59. 49. Ettu, L. O., Ezeh, J. C., Anya, U. C., Nwachukwu, K. C., and Njoku, K. O. (2013). Strength of Ternary Blended Cement Concrete Containing Afikpo Rice Husk Ash and Saw Dust Ash. International Journal of Engineering Science Invention (IJESI), 2 (4): 38-42. 50. Ettu, L. O., Osadebe, N. N., and Mbajiorgu, M. S. W. (2013). Suitability of Nigerian Agricultural By-Products as Cement Replacement for Concrete Making. International Journal of Modern Engineering Research (IJMER), 3 (2): 1180-1185. 51. Ettu, L. O., Onyeyili, I. O., Anya, U. C., Awodiji, C. T. G., and Amanze, A. P. C. (2013). Strength of Binary Blended Cement Composites Containing Afikpo Rice Husk Ash. International Journal of Computational Engineering Research (IJCER), 3 (4): 72-77. 52. Ettu, L. O., Anya, U. C., Arimanwa, J. I., Anyaogu, L., and Nwachukwu, K. C. (2013). Strength of Binary Blended Cement Composites Containing Corn Cob Ash. International Journal of Engineering Research and Development (IJERD), 6(10): 77-82. 53. Ettu, L. O., Ibearugbulem, O. M., Anya, U. C., Awodiji, C. T. G., and Njoku, F. C. (2013). Strength of Binary Blended Cement Composites Containing Saw Dust Ash. The International Journal of Engineering and Science (IJES), 2 (4): 51-56. 54. Ettu, L. O., Ezeh, J. C., Anya, U. C., Anyaogu, L., and Nwachukwu, K. C. (2013). Suitability of Nigerian Agricultural By-Products as Cement Replacement for Sandcrete Making. International Journal of Engineering Research & Technology (IJERT), 2 (4): 1592-1599. 55. Ettu, L. O., Ezeh, J. C., Ibearugbulem, O. M., Anya, U. C., and Njoku, K. O. (2013). Strength of Binary Blended Cement Composites Containing Cassava Waste Ash. International Journal of Emerging Technology and Advanced Engineering (IJETAE), 3(4): 15-20. 56. Ettu, L. O., Ezeh, J. C., Ibearugbulem, O. M., Anya, U. C., and Njoku, K. O. (2013). Strength of Binary Blended Cement Composites Containing Coconut Husk Ash. International Journal of Science and Research (IJSR), 2 (4): 282-286. 57. Ibearugbulem, O. M., Ettu, L. O., Ezeh, J. C., and Anya, U. C. (2013). Application of Matrix Iterative-Inversion in Solving Eigenvalue Problems in Structural Engineering. International Journal of Computational Engineering Research (IJCER), 3 (4): 17-22. 58. Ibearugbulem, O. M., Ettu, L. O., Ezeh, J. C., and Anya, U. C. (2013). New Stiffness Matrices for Stability and Dynamic Analyses of Line Continuum. International Journal of Engineering Research and Development (IJERD), 6 (7): 92-95. 59. Ettu, L. O., Ibearugbulem, O. M., Ezeh, J. C., and Anya, U. C. (2013). A reinvestigation of the prospects of using periwinkle shell as partial replacement for granite in concrete. International Journal of Engineering Science Invention (IJESI), 2 (3): 54-59. 60. Ibearugbulem, O. M., L. O. Ettu, J. C. Ezeh, and U. C. Anya (2013). A New Shape Function for Analysis of Line Continuum by Direct Variational Calculus. The International Journal of Engineering and Science (The IJES), 2 (3): 66-71. 61. Ibearugbulem, O. M., L. O. Ettu, and J. C. Ezeh (2013). Direct Integration and Work Principle as New Approach in Bending Analyses of Isotropic Rectangular Plates. The International Journal of Engineering and Science (The IJES), 2(3): 28-36. 62. Ibearugbulem, O. M., L. O. Ettu, and J. C. Ezeh (2013). A New Stiffness Matrix for Analysis of Flexural Line Continuum. The International Journal of Engineering and Science (The IJES), 2(2): 57-62.
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Research/Publication Links
ORCID: https://orcid.org/0000-0001-6006-6501
Research Gate Profile URL: https://www.researchgate.net/profile/Lawrence-Ettu
Google Scholar Page: https://scholar.google.com/citations?hl=en&user=KyhI3K4AAAAJ