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Found 31 items.
594 (Abstract)
257 (Download)Abstract: This paper focuses on methodological issues relevant to corrosion risk prediction models. A model was developed for the prediction of corrosion rates associated with hot-dip galvanised reinforcement bar material in concrete exposed to carbonation and chlorides in outdoor environment. One-year follow-up experiments, over five years, were conducted at various carbonation depths and chloride contents. The... More
692 (Abstract)
328 (Download)Abstract: The manufacturing of ordinary Portland cement is an energy-intensive process that results in pollution and CO2 emissions, among other issues. There is a need for an environmentally friendly green concrete substitute. Waste products from a variety of sectors can be recycled and used as a green concrete substitute. This decreases the environmental effects of concrete... More
196 (Abstract)
117 (Download)Abstract: The aim of this study is to assess the mechanical properties of different types of fibre-reinforced self-compacting concrete (FRSCC) such as steel fibre (SFSCC), glass fibre (GFSCC), polypropylene fibre (PFSCC) and plain self-compacting concrete (SCC). This will involve the evaluation of various fibres’ influences on the key strength parameters including compressive, split tensile, flexural and... More
551 (Abstract)
302 (Download)Abstract: Concrete is one of the key component in the construction field. The importance of concrete is because of its strength and long lasting properties. The incorporation of nano materials in concrete helps to improve the characteristics of conventional concrete. Titanium dioxide (TiO2) is one such nanomaterial that helps to increase the performance of concrete by... More
1832 (Abstract)
349 (Download)Abstract: A superplasticizer is a type of chemical admixture used to alter the workability (viscosity) of fresh concrete. The workability of fresh concrete is often of particular importance when the water-to-cement (w/c) ratio is low and a particular workability is desired. Reactive Powder Concrete (RPC) is a high-strength concrete formulated to provide compressive strengths exceeding... More
2645 (Abstract)
1187 (Download)Abstract: Concrete is one of the most important building material and day by day the utilization of concrete is increasing to meet the infrastructure development requirement. On one hand it is unavoidable but some alternative to be explored to reduce the global environmental impact caused by the concrete.To overcome this from the last decade the world... More
209 (Abstract)
103 (Download)Abstract: Concrete blocks are widely used for wall construction in Thailand, and reliable Carbon Footprint of Product (CFP) data for these blocks is essential for accurately estimating the embodied carbon of buildings—a crucial consideration in sustainable building design. This research evaluates the CFP of concrete blocks produced by a Thai factory, using a functional unit of... More
493 (Abstract)
299 (Download)Abstract: This research was carried out to evaluate the relationship between the incorporation of calcite precipitation bacteria, sporosarcina pasteurii using calcium lactate as nutrient source and the properties of calcined clay and limestone powder blended self-compacting concrete. Ten mixes were designed and designated S0 to S9 with S0 the control (without bacteria and nutrient) and S1... More
1112 (Abstract)
338 (Download)Abstract: Plastic is used in many forms in day-to-day life. Since Plastic is non-biodegradable, landfills do not provide an environment friendly solution. Hence, there is strong need to utilize waste plastic. This creates a large quantity of garbage every day which is unhealthy and pollutes the... More
250 (Abstract)
202 (Download)Abstract: Fiber reinforcement significantly enhances the strength, toughness, and durability of concrete by reducing the propagation of microcracks in the concrete matrix. With the rising demand for high-performance concrete (HPC), this study investigates the mechanical properties of HPC with varying proportions of polypropylene (PP) and steel (ST) fibers. Supplementary cementitious materials (SCMs) toward partial replacement of... More
517 (Abstract)
359 (Download)Abstract: Curing methods are one of the most important factors in determining the quality and compactness of cover concrete. The effect of curing methods on the water absorption and sorptivity coefficient of cover concrete with the substitution ratio of fly ash (FA) and ground granulated blast slag (GGBS) for cement between 30 wt% and 40 wt%... More
240 (Abstract)
107 (Download)Abstract: The study is motivated from the perspective of developing an eco-friendly and effective alternative to cement-based materials. One of the contributions of this research lies in the assessment of three different concentrations of sodium hydroxide (8M, 12M, and 16M) along with the use of Activated Low-Calcium Fly Ash (ALF) as a supplementary cementitious material. Another... More
315 (Abstract)
89 (Download)Abstract: Geopolymer composites are remarkable binding materials due to their sustainability and recyclability. This study investigates the behaviour of Self-Compacting Geopolymer Concrete (SCGC) as a viable alternative to conventional concrete. It examines the effects of adding Lightweight Coarse Aggregate (LWCA) and Steel Fibre (SF) under different curing environments on the fresh and hardened properties of SCGC.... More
431 (Abstract)
265 (Download)Abstract: Liquid polymers (LP) have become an important structural material used in the construction industry in the last decade. This paper investigates the viability of using commercially available LPs as a coating material to improve the flexural strength of fiber-modified concrete beams. The scope included preparing rectangular prism concrete beams with a concrete mixture including fly... More
, Suleiman Ibrahim Mohammad
, Asokan Vasudevan
, Shaman Raj Sagai Rajan
, Shiney John
, Naomi Yang, Mahirah Saidah Marzuki
40 (Abstract)
9 (Download)Abstract: The advent of low-carbon construction has made geopolymer concrete (GPC) a sustainable material for construction. However, the supply uncertainty of the raw materials needed for GPC production makes this a challenge. This research aims to develop and design an integrated digital twin-reinforcement learning framework for optimizing geopolymer concrete production processes. The problem statement concerns the... More
551 (Abstract)
173 (Download)Abstract: The use of artificial lighting, particularly in urban areas, contributes to global warming and carbon footprints. Urban expansion is unregulated and unplanned in emerging nations. In the case of India, the urban community is the major consumer of electric power. The invention of Light-transmitting concrete (LTC) lets light pass through opaque concrete and lowers the... More
1569 (Abstract)
271 (Download)Abstract: The fatigue life of asphalt concrete is often related to environmental condition, loading condition, ageing, material composition and properties. This work investigates the influence of short and long term ageing of laboratory beam specimens, asphalt content, and testing temperature on fatigue life of asphalt concrete wearing course. Slab samples of (30 x 40x 6) cm... More
314 (Abstract)
163 (Download)Abstract: In order to improve the damage resistance of concrete, a cement-based self-healing additive (abbreviate as CS) was prepared. To investigate the influence of CS on the self-healing performance of cementitious material, X-ray diffraction (XRD) and thermal analysis were used to investigate the effects of different dosages of CS on the hydration process and hydration products... More
597 (Abstract)
463 (Download)Abstract: Reusing recycled waste materials in buildings is gaining more and more attention for what it offers economic, environmental, and energy benefits; and many researchers are nowadays working on producing new sustainable construction materials incorporating recycled wastes. In this scope, this work uses an experimental approach aiming at understanding the effect of incorporating Expanded Polystyrene (EPS)... More
155 (Abstract)
80 (Download)Abstract: The rapid change in CO2 concentration levels, due to climate change, will lead to a significant reduction in the durability and safety of the vital reinforced concrete (RC) structures. Utilizing supplementary cementitious materials, such as low calcium fly ash (LCFA) or slag, etc., with larger percentages in concrete mixes, would lead to an increase in the... More
458 (Abstract)
207 (Download)Abstract: Ultrahigh-performance concrete (UHPC) is a groundbreaking kind of concrete that distinguishes itself from conventional concrete through its unique material properties. Understanding and managing the time-dependent characteristics of these materials is essential for their effective use in various construction applications. This study presents an experimental evaluation of the compressive and bending properties of the UHPC incorporating polypropylene,... More
1874 (Abstract)
412 (Download)Abstract: In this digital era, usage of electric and electronic devices has become the need of people. Evolution of technology triggers the adoption of new devices over old and discarded appliances turned into the electronic wastes also termed as e-waste/s. E-waste from any source has become a major concern to the society. The disposal of these... More
941 (Abstract)
771 (Download)Abstract: This work examined the structural properties of concrete obtained by partially replacing cement with sawdust ash. The sawdust ash which is a pozzolan was obtained by burning sawdust which is a waste product from processing of timber in an open air. The burnt ash was passed through a 150 µm metric sieve to obtain the... More
261 (Abstract)
239 (Download)Abstract: The transition toward low-carbon concrete (LCC) represents a critical pathway for decarbonizing the construction sector and achieving global net-zero targets. This study provides a comprehensive and analytical review of material innovations, digital enablers, and policy mechanisms shaping the evolution of LCC technologies. A systematic PRISMA-based review combined with bibliometric mapping (VOS viewer) was conducted across... More
972 (Abstract)
451 (Download)Abstract: Exploring alternative aggregates or recycled aggregates to substitute traditional concrete aggregates, particularly sand aggregates, which are becoming more limited and must comply with environmental protection standards, is essential. Research has explored various alternative materials to sand in concrete, including concrete from demolished buildings, and broken glass from projects, among others. Investigating the use of recycled... More


