Results 31 to 40 of about 1,077 (167)
Comparison between Destructive and Non-Destructive Test on Concrete [PDF]
Eurasian Journal of Science and Engineering, 2017 Compression strength is the most important factor in concrete structures, and there are two methods to evaluate that compressive strength, destructive and non-destructive method.
Junaid Kameran Ahmed +1 more
doaj +1 more source
IOP Conference Series: Materials Science and Engineering, 2020 Abstract This research presents a comparative study to highlight the differences between the effect of using various contents of steel fibers on the ultrasonic pulse velocity (UPV) in two types of self-compacting concretes (SCC) which are identical in their constituent materials, the only difference between them is the coarse aggregate ...
Ahmed S. D. AL-Ridha +4 more
openaire +1 more source
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa, 2023 Salah satu upaya untuk mengurangi eksploitasi batuan alam sebagai bahan penyusun beton adalah memanfaatkan beton sisa pengujian. Beton sisa pengujian yang digunakan adalah beton sisa atau limbah dari hasil pengujian laboratorium sebagai pengganti agregat kasar dalam pembuatan beton baru.
null Azhar Darujati +2 more
openaire +1 more source
Applied Sciences, 2021 This work aims to study the relationship between the compression resistance and velocity from ultrasonic pulses in samples of mortars with 25% of pozzolanic content.
Leticia Presa +2 more
doaj +1 more source
The study of ultrasonic pulse velocity on plain and reinforced damaged concrete
MATEC Web of Conferences, 2018 An ultrasonic pulse velocity (UPV) test is often applied to determine the quality of concrete structures. It is well known that there are several factors which can influence the reading of ultrasonic velocity in concrete.
Kencanawati Ni Nyoman +4 more
doaj +1 more source
Ultrasonic Pulse Velocity – Strength Relationship for Concrete Subjected to Sulfate Attack
Iraqi Journal of Civil Engineering, 2012 This paper investigates the relationship between ultrasonic pulse velocity and the compressive and flexural strengths of hardened concrete subjected to different sulfate concentrations. Concrete specimens with different water-cement ratios were tested at
Feras L. Khlef
doaj +1 more source
Structural Concrete, EarlyView.Abstract Cold weather conditions impose substantial constraints upon the performance and long‐term resilience of concrete materials. Alkali‐activated slag (AAS) presents itself as a promising substitute, exhibiting sustained hydraulic activity even when exposed to ambient conditions characterized by low temperatures.
Zeynep Bahçeci +3 more
wiley +1 more source
Improving the mechanical characteristics of environmentally friendly concrete using fly ash and brick powder as partial sand replacements [PDF]
Građevinski Materijali i KonstrukcijeInfrastructure and urbanization drive the demand for concrete, which puts pressure on natural resources and jeopardizes the ecosystem. Incorporating recycled materials into concrete can fulfill this demand without sacrificing quality. This study examines
Filali Saloua +2 more
doaj +1 more source
Utilizing Polypropylene Fiber in Sustainable Structural Concrete Mixtures
CivilEng, 2022 Polypropylene fiber reinforced concrete (PFRC) is becoming more popular for structural purposes due to its durability, electrical resistivity, and mechanical properties. In this study, the influence of polypropylene fiber on the mechanical properties and
Saman Hedjazi, Daniel Castillo
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Bacterial healing of cracks in metakaolin‐based geopolymer concrete exposed to high temperatures
Structural Concrete, EarlyView.Abstract This study examined the bacterial healing of metakaolin‐based geopolymer concrete modified with colemanite (K) and red mud (RM) exposed to high temperatures. The metakaolin‐based geopolymer concrete samples modified with 4% K and 6% RM were prepared.
Harun Tanyildizi +3 more
wiley +1 more source