Publications

Found 57 results

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2021
A OA, N MJ, A B. "Behavior of Sisal Fiber-Reinforced Concrete in Exterior Beam-Column Joint Under Monotonic Loading." Asian Journal of Civil Engineering. 2021;Vol 22:627-636.
P MO, N MJ, O AS, N MG. "Correlation of Tensile Strength and Corrosion Initiation Period of Reinforced Concrete." Cogent Engineering. 2021;Vol 8.
D S, O OR, O OW, N MJ. "Effect of Waste Clay Brick Powder on Physical and Mechanical Properties of Cement Paste." Open Civil Engineering Journal. 2021;Vol 15.
A R, N MJ, K RE. "Performance Evaluation of Compressed Laterite Blocks Stabilised with Cement and Gum Arabic." International Journal of Advanced Technology and Engineering Exploration (IJATEE). 2021;Vol 8(83).
P MO, N MJ, O AS, N MG. "The Relationship Between Bond Strength and Critical Penetration Depth of Rust in Reinforced Concrete Structures." Journal of Materials Science Research. 2021;Vol 10(2).
2020
Munyua M M, W MS, N MJ, SK M, Kyalo G. "Academia & Practise: A Case Study of Retrofitting reinforced Concrete Columns with Carbon Fiber reinforced Polymer Wrap.". In: 27th IEK Conference. Pride Inn Paradise Beach Resort Mombasa, Kenya; 2020.
Munyua M M, W MS, N MJ. "Effect of Carbon Fiber Reinforced Polymer Strengthening on the Axial Capacity and Ductility of Non-Slender Square Concrete Columns.". In: UoN Architecture & Engineering Conference. Nairobi Kenya; 2020.
P M, N MJ, O AS, Mang'uriu GN. "A Corrosion Model for Prediction of Service Life of Reinforced Concrete Water Structures." International Journal of Scientific and Research Publications. 2020;Vol 10(2).
P M, O AS, N MJ, Mang'uriu GN. "A Corrosion Model for Prediction of the Service Life of Reinforced Concrete Water Conveyancing Structures." British Journal of Civil and Architecture Engineering. 2020;Vol 02(6):153-181.
O OD, N MJ, K KC. "The Effect of Cassava Starch on the Durability Characteristic of Concrete." The Open Civil Engineering Journal. 2020;Vol 14:289-301.
P M, O AS, N MJ, Mang'uriu GN. "Effect of Selected Commercially Available Corrosion Inhibitors in Kenya on Bond Strength of Reinforced Concrete." British Journal of Civil and Architecture Engineering. 2020;Vol 02(1):133-152.
O OT, O. KD, N. MJ. "Evaluating Superplasticizer Compatibility in the Production of High Performance Concrete using Portland Pozzolana Cement CEM II/B-P." SSRG International Journal of Civil Engineering. 2020;Vol. 7(6):92-100.
N. MJ. "Evaluation of Stiffnesss of Concrete Beams Reinforced with Dry and Green Bamboo." International Journal of Scientific and Research Publications. 2020;Vol 10(4):676-687.
N MJ, N OV. "Experimental Study on Behavoir of Lightweight Concrete with Partial Replacement of Coarse Aggregates with Expanded Polystyrene." The Open Journal of Scientific and Research Publication. 2020;Vol 10(2):351-362.
K SG, Abuodha SO, N MJ. "Investigating The Potential Use of Tuff Aggregates to Produce Lightweight Concrete." International Journal of Scientific and Research Publications. 2020;Vol 10(9):458-478.
N MJ. "Mechanical Properties, Column Buckling Behavior, and Concrete Beam and Slab Reinforcement Behavior of Bamboo." International Journal of Scientific and Research Publications. 2020;Vol 10(3):836-848.
F EA, N MJ, K KC. "Openings Effects on the Performance of Reinforced Concrete Beams Loaded in Bending and Shear." Engineering, Technology & Applied Science Research. 2020;Vol 10(2):5352-5360.
C O, K KC, N MJ. "Rice Straw and Egg Shell as Partial Replacements of Cement in Concrete." Engineering, Technology & Applied Science Research. 2020;Vol 10(6):6481-6487.
N. MJ. "A Simple Computer Model for the Prediction of Chemical Shrinkage and Heat of Hydration of Sugarcane Waste Fiber Ash (SWFA)-Cement Paste." International Journal of Scientific and Research Publications. 2020;Vol 10(4):597-615.
2019
N NB, O OT, O KD, N MJ. "Exploring the Possible Use of EN 197 CEM II/B-P and CEM IV/B-P in the Production of High-Performance Concrete.". In: IEK-EBK Conference. Diani, Kenya; 2019.
Onikeku O, Shitote SM, Mwero JN, Adedeji AA. "Comparative Analysis of Compressive Strength of Bamboo Leaf Ash and Bagasse Ash Concretes.". In: Machakos University 2nd Annual International Conference. Machakos, Kenya; 2019.
N MJ, Bukachi PR. "Building Information Modelling Adoption in Structural Design in Kenya – A Case Study of Nairobi." International Journal of Research and Publications. 2019;Vol 9(6):272-285.
O O, M SS, N MJ, A AA, C K. "Compressive Strength and Slump Prediction of Two Blended Agro Waste Materials Concretes." The Open Civil Engneering Journal. 2019;Vol 13:118-128.
N MJ, K LC. "Detection of Voids on Concrete Surface Using Deep Learning Model." International Journal of Research and Publications. 2019;Vol 9(6):401-421.
Osore CK, Mwero JN. "The Effect of Partial Replacement of Cement with Ground and Unground Sugarcane Bagasse Ash (SCBA) on Mechanical Properties of Concrete." International Journal of Scientific Research Publications. 2019;Vol 9(1):349-365.
N MJ, Aduda VO. "End Users’ Perspective on Green Buildings: A Study in Nairobi." International Journal of Research and Publications. 2019;Vol 9(4):649-669.
Onikeku OJ, Shitote SM, Mwero JN, Adedeji AA. "Evaluation of Characteristics of Concrete Mixed with Bamboo Leaf Ash." The Open Construction & Building Technology Journal. 2019;Vol 13:03-16.
O OD, N MJ, C K. "Experimental Investigation of the Physical and Mechanical Properties of Starch Modified Concrete." The Open Construction and Building Technology Journal. 2019;Vol 13:331-343.
2018
P M, Abuodha SO, N MJ, N MG. "The Effect of Selected Cement Brands in Kenya on the Critical Penetration depth of Rust in Reinforced Concrete Water Conveyancing Structures." International Journal of Scientific Research Publication. 2018;Vol 8(11):276-285.
F. NJ, N MJ, T N, K DV. "Effect of Sodium Hydroxide Concentration on the Surface and Mechanical Properties of Borassus Aethiopium Mart Fibre." International Journal of Science and Research Publications (IJSRP). 2018;Vol. 7(11):774-779.
A. OA, Abuodha SO, Mwero JN. "The Effect of Specimen Shape on the Mechanical Properties of Sisal Fiber-Reinforced Concrete." The Open Civil Engineering Journal.. 2018;Vol 12:368-382.
Mogire PO, Abuodha SO, Mwero JN, Manguriu GN. "The Effect of Using Ordinary Cement Brands, in Kenya on Corrosion Rate of Reinforced Concrete Water Conveyance Structures." International Journal of Scientific and Research Publications. 2018;Vol 8(4):465-473.
A. OA, Abuodha SO, Mwero JN. "Experimental Investigation of the Physical and Mechanical Properties of Sisal Fiber-Reinforced Concrete." Recent Advancement in Fiber Reinforced Concrete and Its Appications. 2018;Vol 6(3):53-60.
Mwero JN, Abuodha SO. "Heat of Hydration and Chemical Shrinkage Characteristics of Sugarcane-Waste-Fiber-Ash (SWFA), Blended Cement." Journal of Scientific and Research Publications. 2018;Vol 8(6):77-88.
Mwero JN, Abuodha SO. "Residual Strength of Reworked Steel Reinforcement Bars." International Journal of Scientific and Research Publications. 2018;Vol 8(6):66-76.
Manyara PO, Mwero JN, Mutua H. "Workability, Compressive, and Tensile Split Strength Behavior of Blue Gum Ash Glass Concrete." International Journal of Science and Research Publications (IJSRP). 2018;Vol 8(4).
2017
S PE, Mutuku RN, N MJ. "Effects of Palm Kernel Shell and Rice Husk Ash as Partial Replacements of Normal Weight Aggregate and ordinary Portland Cement in Concrete." European international Journal of Science and Technology. 2017;Vol 6(8):42-54.
Loonturot PS, Mwero JN, Kabubo CK. "Laterized Quarry Dust and Crushed Bricks as Alternative Concrete Making Materials." Journal of Civil Engineering. 2017;Vol 3(1):1-14.
S PE, Mutuku RN, N MJ. "Palm Kernel Shell as Partial Replacement for Normal Weight Aggregagte in Concrete." Civil and Environmental Research. 2017;Vol 9(11):40-47.
Hidaya N, Mutuku RN, Mwero JN. "Physical and Mechanical Experimental Investigation of Concrete incorporated with Polyethylene Terephthalate (PET) Fibers." European international Journal of Science and Technology. 2017;Vol 6(8):31-41.
2016
Mwero JN, Abuodha SO. "Chemical Reaction Characteristics of Sugarcane Waste Fiber Ash Blended Cement: Heat of Hydration and Chemical Shrinkage.". In: 2nd Knowledge Exchange for Young Scientists (KEYS), Conference. Accra, Ghana; 2016.
Mwero JN, Abuodha SO. "Partial Replacement of Cement with Baggase Ash from Electricity Co-Generation in Concrete.". In: RICH Africa Conference. UDSM, Dar Es Salaam; 2016.
Mwero JN, Abuodha SO. "Coconut Shell and Fiber Ashes, and Coconut Fiber Reinforced Concrete.". In: RICH Africa Workshop. BAM, Berlin; 2016.
2015
Mwero JN, Abuodha SO, O RG, Mumenya SW, Kavishe FP. "Durability characteristics of concrete containing sugarcane waste fibre ash.". In: Knowledge Exchange for Young Scientists (KEYS), symposium. Dar Es Salaam, Tanzania; 2015.
2014
Mwero JN, O. AS, Mumenya SW, Rading GO, Kavishe FPL. "Durability Characteristics of Concrete Containing Sugarcane Waste Fiber Ash (SWFA) ." ICASTOR Journal of Engineering. 2014;Vol. 7(2):95-114.
2013
J.N.Mwero, S.O.Abuodha, S.W.Mumenya, G.O.Rading, F.P.L.Kavihe. "The Effect of Partial Replacement of Portland Cement with Sugarcane Waste Fibre Ash (SWFA) on Mechanical Properties of Concrete." ICASTOR Journal of Engineering. 2013;6(3):97-114.
2012
Mwero JN, Abuodha SO, O. RG, Mumenya SW, Kavishe FP. "Heat of Hydration and Chemical Shrinkage Characteristics of Sugarcane Waste Fiber Ash Blended Cement.". In: 2nd AMSEN Workshop. Silver Springs Hotel, Nairobi, Kenya; 2012.
2011
2010
Mwero JN, Abuodha SO, O RG, Mumenya SW, Kavishe FP. "Strength Characteristics of Concrete Mixes Containing Sugarcane Waste Fiber Ash (SWFA) as a Cementing Material.". In: The V Workshop on Diverse Uses of Concrete. Eldoret, Kenya; 2010.
Mwero JN, Abuodha SO, O. RG, Mumenya SW, Kavishe FP. "Behavior of Sugarcane Waste Fiber Ash as a Cementing Material.". In: International Symposium on: Modernizing Local Sustainable Technologies as the Engine for Sustainable Development. Nairobi, Kenya; 2010.
Mwero JN, Abuodha SO, O. RG, Mumenya SW, Kavishe FP. "The Behavior of Sugarcane Waste Fiber Ash as a Cementing Material.". In: 1st African Material Science and Engineering Network (AMSEN) Conference. Windhoek, Namibia); 2010.
2009
Manguriu GN, Mwero JN, Abuodha SO. "Behavior of Reworked Steel Reinforcement Bars in Reinforced Concrete.". 2009. AbstractWebsite

Steel reinforcement bars are a key component in reinforced concrete and are mainly employed to carry tensile stresses since concrete on its own is weak in tension. Sometimes these bars are wrongly bent, straightened and re bent, resulting in the altering of their original characteristics. Some of such steel has been used and some condemned as unfit for reinforcing purposes. This paper reports on the behavior of these reworked bars in reinforced concrete. In the investigation, test concrete beams built using reworked bars were built, cured and tested in bending to ultimate failure. Load-deflection relationship, beam side strains, cracking patterns and ultimate loads were investigated. Some tensile tests were also carried out on the reinforcement bars to give an indication of the behavior of the reinforcement steel, both normal and reworked. Beams built using reworked bars were found to be stiffer in the plastic range of the tensile reinforcement bars. From these results it was found that reworked reinforcement bars could be used for reinforcing concrete if the design formulae provided in the design codes were modified to cater for the slight changes in the properties of such steel.

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