Abstract:
Modern infrastructure heavily relies on concrete, the most widely utilized building material
globally, owing to its versatility and affordability. Extensive research in concrete technology has
resulted in a diverse array of concrete types suitable for applications ranging from constructing
skyscrapers to paving highways. There is a growing demand for concrete composites that can
meet stringent criteria for functionality, including high compressive strength, durability, and
superior thermal properties.
Over the past century, concrete technology has seen significant advancements, with high strength concrete evolving from 30 MPa to over 100 MPa. Ultra-high-performance concrete
(UHPC) has emerged as a versatile material with numerous applications in construction. Its
exceptional durability suggests the potential for reinforced structural elements that exceed
current economic feasibility limits, while also offering low maintenance costs, particularly in
challenging and demanding concrete environments.
The objective of this research was to create Ultra-High-Performance Concrete (UHPC) utilizing
locally sourced materials. The compressible packing model technique was employed to enhance
particle arrangement within ternary materials. Different quantities of materials such as silica
fume, limestone, recycled brick powder and glass powder were experimented with in multiple
smaller mortar mixtures. Both fresh properties and hardened mix compressive strength were
assessed to achieve a blend with superior strength and exceptional workability.
The research findings indicate that achieving an ideal mixture is challenging due to the inherent
need for compromises in recipe construction, where satisfying all criteria fully is rarely possible.
The finalized concrete mix featured a water-to-binder ratio of 0.18 percent, a superplasticizer
solid content of 1.25 percent by weight, and a maximum fine aggregate size of 600μm.
Consequently, the resulting concretes exhibited compressive strengths surpassing 120 MPa
without the addition of fiber reinforcement, while also displaying self-consolidating properties
