... cementitious materials mechanical properties microstructure nano-TiO₂ photocatalytic degradation of NO_x UN SDG 11: Sustainable cities and communities UN SDG 13: Climate action National Natural Science Foundation of China 52368034 Natural Science Foundation...

... cracks & cracking engineered cementitious composites fibre-reinforced concrete microstructure self-healing sustainable development Natural Science Foundation of Shandong Province ZR2021QE250 This work was financially supported by the Natural Science Foundation of Shandong Province...

... were used as cement and sand replacements, respectively. Nine ECC mixtures were produced and evaluated through tests for fresh properties, compressive and flexural strength, mid-span beam deflection and ultrasonic pulse velocity, along with microstructural analyses (Fourier transform infrared...

...Abdul Basit Bhat; Shashi Kant Sharma; Mudasir Nazeer; Aijaz Hussain Bhat This study investigates the influence of supplementary cementitious materials (SCMs), namely fly ash ( FA ) and silica fume ( SF ), on the fresh, mechanical, durability and microstructural properties of pervious concrete...

.... The characteristics of different UHPC mixes were assessed through tests for slump flow, mini-slump flow, compressive strength and splitting tensile strength, microstructural analyses (scanning electron microscopy coupled with energy dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy...

...-based cementitious material ( LCM ) was used as a representative system to investigate the synergistic effects of SS and SDS on the strength development and the microstructural evolution of LCM . The results indicated optimal dosages of 1.5% SS and 1% SDS (mix LCM-N1.5S1...

...Tabasum Ali; Mushtaq Ahmad Rather; Asif H. Shah The service life of concrete structures depends on the durability characteristics of the concrete composite, which in turn is highly affected by the weather conditions. This paper provides a comprehensive overview of the microstructural properties...

... interests or personal relationships that could have appeared to influence the work reported in this paper. 03 04 2025 30 07 2025 © 2025 Emerald Publishing Limited 2025 Emerald Publishing Limited Licensed re-use rights only fresh concrete microstructure relative plastic...

..., the contrasting roles of magnesium oxide (MgO) and calcium oxide (CaO) activators in GGBS binders were investigated, providing insights into durability, microstructural performance and deterioration mechanisms over a year in different salt solutions. The results indicated that GGBS activated with magnesium oxide...

...-activated cements alkali compounds ambient curing ecological effects engineering properties geopolymers material properties microstructure mortar one-part geopolymer mortar weakly alkaline composites Since the beginning of the twenty first century, cement production in China has seen...

... depth by 46–72%. alkali-activated slag cementitious material composite materials compressive strength high-temperature resistance microstructure nanosilica b cross-section width of the specimen f c,30 compressive strength at 30°C (room temperature...

... levels (Bentz et al., 1995 ; Collins and Sanjayan, 2000 ; Garci Juenger and Jennings, 2002 ; Jennings, 2004 ; Tennis and Jennings, 2000 ; Thomas and Jennings, 2002). However, incorporating FPA into UHPC alters both the evolution of IRH and the microstructural development, creating...

...Mehdi Esfandi Sarafraz; Motahareh Nezafat Tabalvandani The effects of two different bacteria species on the strength, durability, and microstructure of self-healing concrete were compared. A new wild-type calcifying strain, extracted from agricultural soil of Gilan province, Iran, was used...

..., abrasion resistance, fire resistance and acid attack resistance. The microstructural characteristics of the GPPC were examined using scanning electron microscopy and energy dispersive X-ray spectroscopy. The substitution of NA by RCA up to 50% led to enhanced strength and durability properties of the GPPC...

...Hui Rong; Qi Meng; Junbo Huang; Xiaomin Liu; Jixin Fei; Zhihua Liu; Keqi Huang Barnacles and oysters (B&O) can quickly adhere to marine concrete structures, but there is no consensus on their effects. The properties and microstructure of concrete specimens with and without B&O adhered...

... fibre-reinforced concrete mechanical properties microstructure steel fibre ultra-high-performance concrete wollastonite fibre Owing to its outstanding compressive strength and excellent durability, ultra-high-performance concrete (UHPC) is widely used in many structures such as high-rise...

... spectroscopy, which showed the changes in the microstructure of the specimens subjected to acidic environments. Overall, the fibre reinforcements improved the mechanical and durability properties of AACs. 05 03 2024 14 06 2024 Emerald Publishing Limited: All rights reserved 2024 acid...

... Limited: All rights reserved 2024 geopolymer concrete geopolymerisation geopolymers microstructure morphology oxide content/ sustainability The production of Portland cement accounts for 8–9% of global carbon dioxide emissions (Monteiro et al., 2017), and increasing carbon...

... in the vertical section of the L-box, the value of which is denoted PL hereinafter. 26 04 2024 30 05 2024 Emerald Publishing Limited: All rights reserved 2024 cement cementitious materials concrete technology & manufacture heavy-weight concrete iron sand microstructure passing...

... 2024 lightweight concrete microstructure pore structure Lightweight concrete with excellent thermal insulation and seismic performance has been widely used in the field of architecture, for example, in the construction of super tall structures or long-span bridges (Chindaprasirt et...