Reliability Assessment of Natural Aggregate Pulverized Glass Powder Concrete Beam Subjected to Shearing Forces

Document Type : Original Article

Authors

1 Ph.D., School of Infrastructure, Process Engineering and Technology, Federal University of Technology, Minna, Nigeria

2 Student, School of Infrastructure, Process Engineering and Technology, Federal University of Technology, Minna, Nigeria

Abstract

Cement is the most expensive ingredient in the process of making concrete. Reducing the quantity of cement used in the production of concrete with Pulverized glass powder (PGP) will reduce the cost of concrete production and help tackle environmental, disposal and CO2 emission challenges. The results of structural reliability assessment performed on Pulverized glass powder concrete produced using locally sourced Natural aggregate (NA) as coarse aggregate. Concrete cubes measuring 150 × 150 ×150 mm were cast, cured for 28 days and tested using the universal compressive testing machine. First order reliability method (FORM) was employed to determine the level of safety of the reinforced concrete beam. Result of sensitivity analysis under shearing forces shows the beam is structurally safe at a span of 3250 mm with Probability of failure (Pf) of 1.14 × 10-3, Effective depth of 459 mm and corresponding Probability of failure (Pf) of 5.77 × 10-8 and an Area of Shear reinforcement (Asv) of 201 mm2 with Probability of failure (Pf) of 5.01 × 10-5.

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History

  • Receive Date: 01 October 2023
  • Revise Date: 23 December 2023
  • Accept Date: 31 December 2023

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