Durability Performance of Concrete with Ternary Blends of Glass Powder, Rice Husk Ash, and Metakaolin for Offshore Oil and Gas Infrastructure
Abstract
Concrete structures in offshore oil and gas infrastructure are increasingly exposed to aggressive environments containing chlorides, sulfates, and acidic media, resulting in significant durability challenges. This study investigates the mechanical and durability performance of concrete incorporating ternary blends of Glass Powder (GP), Rice Husk Ash (RHA), and Metakaolin (MK) as supplementary cementitious materials (SCMs). Six concrete mixtures with 0–30% total SCM replacement were evaluated for compressive strength and durability properties, including water absorption, acid and sulfate resistance, rapid chloride penetration (RCPT), and sorptivity, at curing ages of 7, 28, 56, and 90 days. The mixture containing a 20% ternary replacement (6.6% each of GP, RHA, and MK) exhibited optimal performance, achieving a compressive strength of 38.2 MPa at 90 days while significantly reducing permeability and degradation under aggressive exposure conditions. Response Surface Methodology (RSM) based on Central Composite Design (CCD) was employed not only to model performance responses but also to identify an optimized durability-oriented binder composition, with regression models showing strong predictive accuracy (R² ≥ 0.93) and a high desirability index of 0.945.Unlike existing studies that predominantly focus on binary SCM systems or isolated durability indicators, this research presents a comprehensive experimental and statistical evaluation of a ternary GP-RHA-MK concrete system under multiple aggressive offshore exposure conditions. The combined application of systematic durability testing and multi-objective RSM optimization establishes a novel durability-driven framework for proportioning ternary SCM concretes tailored to offshore oil and gas infrastructure. The findings demonstrate that such optimized ternary systems can simultaneously enhance performance, durability, and sustainability while promoting the effective reuse of agro-industrial and glass waste.
Keywords
References
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Details
Primary Language
English
Subjects
Reinforced Concrete Buildings, Steel Structures , Civil Geotechnical Engineering, Civil Construction Engineering, Water Resources and Water Structures, Construction Materials, Structural Engineering
Journal Section
Research Article
Authors
Auwal Abdullahi Umar
*
Nigeria
Muhammad Abdulmalik Affa
This is me
Nigeria
Salisu Adamu Salihu
This is me
Nigeria
Muhammad Nazifi Yahaya
This is me
Nigeria
Publication Date
March 6, 2026
Submission Date
July 31, 2025
Acceptance Date
February 20, 2026
Published in Issue
Year 2026 Volume: 6 Number: 2