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Dong Liu, Mengli Wu and Dimitri Donskoy
This study investigates the application of Ultrasonic Pulse Velocity (UPV) for crack depth estimation in cylindrical structures, focusing on two approaches: reference measurement and dual measurement. It addresses the challenge of applying UPV to curved ...
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Seonguk Hong, Sangki Yoon, Jonghyun Kim, Changjong Lee, Seunghun Kim and Yongtaeg Lee
The purpose of this study is to estimate the compressive strength according to the age of the concrete structure using ultrasonic pulse velocity method. If the correlation between the ultrasonic pulse velocity and the compressive strength according to th...
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Benny Suryanto,S.A. Wilson,W.J. McCarter
Pág. 187 - 194
The performance of an Engineered Cementitious Composite (ECC) to self-heal micro-cracks under a controlled laboratory environment is presented. Ten dog-bone shaped samples were prepared; five of them were preloaded to known strains and then left to heal...
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Johannes J. Bester, Deon Kruger
Pág. 6 bladsye
Concrete patch repairing is a fairly new field in the concrete industry, so that there is only a limited number of standards available. Consequently there is also limited application of quality assurance for patch repairs. Curing has a major effec...
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O. M. Pshinko,V. P. Lysniak,A. M. Zinkevych
Pág. 121 - 123
The comparison of non-destructive control results for concrete strength received by several methods and their statistical estimations are performed.
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Hasan Arman and Safwan Paramban
The ultrasonic pulse velocity test is a widely used, inexpensive, nondestructive, and modest test to define the dynamic properties of rocks in various geotechnical and mining engineering applications as well as in gas and oil explorations under various e...
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Matija Zvonaric, Mirta Ben?ic, Ivana Bari?ic and Tihomir Dok?anovic
The high stiffness of cement-bound aggregate (CBA) is recognized as its main drawback. The stiffness is described by the modulus of elasticity, which is difficult to determine precisely in CBA. Incorporating rubber in these mixtures reduces their stiffne...
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Violeta Migallón, Héctor Penadés, José Penadés and Antonio José Tenza-Abril
Lightweight aggregate concrete (LWAC) is an increasingly important material for modern construction. However, although it has several advantages compared with conventional concrete, it is susceptible to segregation due to the low density of the incorpora...
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Leandro Calegari,Darci Alberto Gatto,Diego Martins Stangerlin
Pág. DOI: 10.12 - 6830.v02n0
O uso do ultrassom para a caracterização das propriedades físicas e mecânicas é uma técnica bem definida para materiais homogêneos, como metais. Entretanto, sua aplicação em materiais heterogêneos e anisotrópicos, como a madeira, é mais problemática. Est...
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Muhammad Nawaz, Waqas Ahmed, Muhammad Yasir, Ihtisham Islam, Hammad Tariq Janjuhah, George Kontakiotis, Assimina Antonarakou and Christina Stouraiti
The utilization of dimension stone in construction has been prevalent since ancient times; however, its application in modern construction has gained significant attention over the last few decades. This research aimed to assess the physical and strength...
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Ilias K. Tragazikis, Alexia N. Koutrakou, Theodoti Z. Kordatou, Panagiota T. Dalla and Theodore E. Matikas
A challenge in the field of material science and concrete technology is to associate material properties and behavior with changes in internal microstructure. A fundamental issue for planning, implementation, and quality control of construction projects ...
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Abel Castañeda, Juan José Howland Albear, Francisco Corvo, Rigoberto Marrero
Pág. 374 - 387
AbstractA study on concrete quality assessment before building structures submitting to environmental exposure conditions was carried out. It was necessary to determine the ultrasonic velocity pulse, compressive strength and percentage of effective capil...
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Mucteba Uysal,Veysel Akyuncu,Harun Tanyildizi,Mansur Sumer,Hasan Yildirim
Pág. 364 - 382
In this study, optimization of durability properties of the concretes was performed by using Taguchi method and Anova analysis. The durability performance of the concretes was evaluated using measurements of rapid chloride ion permeability, freezing-thaw...
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Aylin Akyildiz and Ozer Durmaz
Electromagnetic (EM) shielding has become an essential element in the modern world alongside the increased use of electronic products and telecommunication equipment. We are surrounded by electromagnetic fields that have inevitably become formidable in o...
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Blas Cantero, Miguel Bravo, Jorge de Brito, Isabel Fuencisla Sáez del Bosque and César Medina
Concrete is the most widely used construction material in the world; as such, the best way to promote a more sustainable construction industry is to improve the environmental performance of this material. Since cement production is the main source of the...
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Angona Biswas,Sabrina Abedin,Md. Ahasan Kabir
Pág. 99 - 111
Background: In its early development, radar (radio detection and ranging) was primarily used by the navy, the military, and the aviation services, as well as space organizations for security and monitoring purposes. Nowadays, the demand of radar is expan...
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Luis Diego Méndez-Mejías,Róger Moya,Mariajosé Esquivel-Fuentes,Estephanía Salazar-Zeledón
Pág. 5 - 15
A composite between particles obtained residual pallets of Pinus sp and cement was manufactured. Also, three methods were performance for wood particles: hot water washed, unwashed and unwashed with calcium carbonate (CaCO3). Different concrete-wood part...
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Hugo Luis Chavez, Elia Alonso-Guzmán, Mario Graff, J. C. Arteaga-Arcos
The static modulus of elasticity (Es) is an important parameter in the analysis of hydraulic concrete structures, changes have been made to the regulation of construction; these changes require minimum values for the Es, so now, in addition to concrete c...
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Naganathan S.,Mustapha K.N.,Omar H.
Pág. 13 - 18
Use of recycled concrete aggregate (RCA) is getting importance as it minimizes the use of fresh materials and eliminates waste disposal. One of the uses of RCA is as aggregate in Controlled Low Strength Material (CLSM). This paper reports the results of ...
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Nuruddin M.F.,Bayuaji R.,Masilamani M.B.,Biyanto T.R.
Pág. 18 - 22
This paper presents an experimental and analytical research conducted to study the properties of mortar when treated Sidoarjo mud was added into the mix replacing partially the cement content. The replacements were done at 0, 5, 10, 15, and 20%. Compress...
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