This paper reviews the recent advance of MEA in cement and concrete, including the hydration kinetics, expansion mechanism, MgO reactivity, soundness, compound MgO expansive agent, MEA in self-healing cement, and applications. The MEA has broad application prospects in cement and concrete, and the perspectives …
The present manuscript is based on relevant studies published in Cement and Concrete Research, Cement and Concrete Composites, Materials and Structures, Journal of the American Ceramic Society, and Advances in Cement Research between 2007 and 2010. ... Recent advances in studying these systems are considered in Section 6. 2.
In concrete engineering, structural design is used to create buildings and infrastructures. Integrated materials and structural design is one type of design philosophy that takes an interdisciplinary and holistic approach. The accumulated data in concrete industry is big enough to train artificial intelligence-based models to predict properties ...
Recent research has actively focused on the development of cementless UHPC using alkali-activated materials. The term 'ultra high performance geopolymer', which actually indicates UHP-AAC, was coined in 2014 [8], with the initial version utilizing GGBFS and SF as precursors [5].Table 1 provides a summary of the mix proportions for UHP …
Recent advances in cementless ultra-high-performance concrete using alkali-activated materials and industrial byproducts: A review. / Yoo, Doo Yeol; Banthia, Nemkumar; You, Ilhwan et al. In: Cement and Concrete Composites, Vol. 148, 105470, 04.2024. Research output: Contribution to journal › Article › peer-review
Therefore, the major problem is confined to steel-reinforced concrete, which is estimated to consume only approximately 25% of world cement production and < 35% in countries with the highest consumption rate (Fig. 15). Therefore, the majority of cement used in construction does not need to protect
The aim of this Special Issues is to gather recent scientific progress on cement and concrete, particularly dedicated to cutting-edge techniques used for cement and concrete research that unveil new phenomena in those materials and possibly accommodate sustainability and extension of the service life of concrete structures.
The Special Issue (SI), "New Advances in Cement and Concrete Research", highlights the latest breakthroughs in cement and concrete research. These advances …
Thus, this Special Issue focuses on the recent advances in cement and concrete composites. Original research papers, communications, and reviews are welcome. Topics of interest include but are not limited to the following: Design, fabrication, and practical applications of advanced cement-based materials;
This review provides valuable insights into recent advances and future perspectives on the application of accelerated carbonation in the concrete industry. ... Concrete slurry waste is one of the cement-based wastes generated during the mixing and construction of concrete. Cement-based wastes are firstly washed out by water to …
In essence, this synthesis offers a panoramic view of recent advances in building materials and technologies, contributing to a holistic understanding of sustainable and resilient construction practices. ... to determine the various possibilities of incorporating an additive into cement in order to produce a ready-mixed cement concrete that ...
Flax-reinforced composites (i.e., cement, concrete, and polymer) exhibit better performance (crack development, impact, flexural, and tensile) compared to composites reinforced with some commonly used natural fibers. 5. Natural fibers can be used as an alternative sustainable solution to conventional synthetic fibers for affordable …
The development of low-carbon binders has been recognized as a means of reducing the carbon footprint of the Portland cement industry, in response to growing global concerns over CO 2 emissions from the construction sector. This paper reviews recent progress in the three most attractive low-carbon binders: alkali-activated, carbonate, and …
In this Review, we shed light on the available solutions that can be implemented within the next decade and beyond to reduce greenhouse gas emissions …
Recent advances in the use of inhibitors to prevent chloride-induced corrosion in reinforced concrete. Author links open overlay panel ... (dosage 3.86% by cement weight) in concrete samples cast with Ordinary Portland Cement, with a W/C ratio 0.55. To induce corrosion, samples were wetted with a 5% NaCl solution. They found …
Reducing cement CO2 footprint is a societal need. This is being achieved mainly by replacing an increasing amount of Portland clinker by supplementary cementitious materials. However, this comes …
Supplementary cementitious materials (SCMs) are commonly used in concrete mixtures as a replacement of a portion of clinker in cement or as a replacement of a portion of cement in concrete. This practice is favorable to the industry, generally resulting in concrete with lower cost, lower environmental impact, higher long-term …
Where cement and concrete industries are responsible for no less than 5-10% of human-made CO2 emissions, the development and application of low carbon concrete on a global scale is ever more urgent.
Aims and scope Advances in Cement Research highlights the scientific ideas and innovations within the cutting-edge cement manufacture industry. It is a global journal with a scope encompassing cement manufacture …
1. Introduction. In the pursuit of sustainable development in construction industry, there is a pressing need to find alternative aggregates for the production of concrete since approximately three-quarters volume of concrete is occupied by aggregates (Behera et al., 2014), and especially when the extraction of natural …
Recent advances of chemical admixtures and their influence on the concrete properties are summarized. In the area of PCEs, apart from the chemical structure and synthesis methods, more research has been devoted to understand the action mechanism of PCE in the cementitious materials, and to establish the relationship …
Under the strategies of low-carbon and environmental protection, promoting green technology innovation to achieve carbon neutrality in the construction field has become a universal goal. As the building material with the highest consumption, concrete has gradually begun to transform into a multi-functional and intelligent product. …
Recent advances and prospects on retarder application in oilwell cement: A review ... This could be attributed to the lack of data on cement retarders. But, with the recent surge in research on retarders (Fig. 1), available data necessitates a ... chemical engineering, building materials, construction, cement, concrete, drilling, and well ...
Recent advances in the use of natural fibers in civil engineering structures. Author links open overlay panel Kusum Saini a, Vasant A. Matsagar a, Venkatesh R ... cement, concrete, and polymer composites, for several applications in structures. Various ways of using biodegradable fibers as an alternative to conventional building materials …
The scope of the review encompasses recent advancements in sustainable materials, such as green concrete and supplementary cementitious materials, as well …
However, with a further increase of fly ash replacement of cement, a decrease of slump value may occur in HVFA mixtures [11, 15, 18 – 23].Figure 2 summarizes the effect of the fly ash replacement ratio on the slump value of HVFA mixtures from relevant references. In general, replacing cement with fly ash in the range of 40% …
According to the recent investigation of Turner and Collins (2013), OPC is the critical component which contributes around 76% of the total CO 2 emissions from Portland cement-based concrete production, and alkali solutions contribute around 59% of the total emissions from fly ash-based geopolymer concrete production (Table 1).
In recent years, in-situ polymerization has emerged as a promising technique for enhancing cementitious composites. This review examines the progress and advancements in in-situ polymerization modified cementitious composites (iPMCC), including the in-situ polymerization system, manufacturing, workability, mechanical …
1. Introduction. Concrete, a heterogeneous, porous, rough-surfaced, and highly permeable hydrophilic material with micro-crack structure, is the most important and extensively employed artificial construction material [[1], [2], [3], [4]].Current estimates suggest that the yearly consumption of concrete approaches 30 billion tonnes, and it is …
The partial replacement of cement in concrete with other building materials has come to light because of research on industrial waste and sustainable building practices.
Recent advances in TiO 2-based photocatalytic concrete: Synthesis strategies, structure characteristics, multifunctional applications, ... Moreover, C-S-H gel hydrates are generated when the cement in the concrete pavement eco-block is more tightly attached to photocatalysts when the water–glass binder is present, resulting in an increase in ...
The risks of soil erosion and landslides in tropical regions are severe. They are triggered mainly by excessive rainfall, which leads to a pore water pressure spike and a lower shear strength of earth materials. In recent years, there has been a growing interest in the application of durable, economical, and sustainable slope stabilization …
Recent discoveries by a team at MIT have revealed that introducing new materials into existing concrete manufacturing processes could significantly reduce this carbon footprint, without altering concrete's bulk mechanical properties.
Recent advances in nano-modified concrete: Enhancing durability, strength, and sustainability through nano silica (nS) and nano titanium (nT) incorporation ... Brzozowski et al. (2022) studied the influence of nanosilica on cement concrete's response to high temperatures (200–800 °C). Despite increased total porosity with higher …
200 gms cement with 600 gms sand were mixed and the mix was added with water as per IS: 4031 Fig. 1 (b). Now, for Superplasticizers/Melamine Formaldehyde(MF) a water reduction of 18%, and for High Performing Superplasticizers/Poly Carboxylate Ether(PCE) a water reduction of 30% was employed as shown in Fig. 1 (a) after adding …
A recent study by Usraoglu et al. (2020) showed that the use of expanded vermiculite as lightweight aggregate in concrete resulted in about 5.6 kWh/m 2 in heat …
The quest for high-performance construction materials is led by the development and application of new reinforcement materials for cement composites. Concrete reinforcement with fibers has a long history. Nowadays, many new fibers associated with high performance and possessing eco-environmental characteristics, …
This study envisage some of the latest smart development of concrete ranging from the typical concrete that is considered brittle, reduced tensile strength and …
Adding particles such as sand and/or coarse aggregates to a cement paste to produce a mortar or a concrete can conceptually be considered as adding rigid inert non-Brownian non-colloidal particles into a yield stress fluid as long as the typical size of the constitutive elements of the paste (i.e. cement grains of average size of 10 μm) can be …
In Sarasota, Florida, a street was built using cement as a stabilizer in 1915 (ACI 1997), and lime was first used in 1924 when roads were widened to accommodate the increase in vehicle traffic [35], [36], [37]. The current review presents an in-depth review of recent advances in expansive soil stabilization using different admixtures.
