On the Assessment of the In-place Concrete Quality: Rebound Hammer and Pull-off Tests Reliability
Procedia Structural IntegritySaid Debbakh +2 more
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A study on the effective utilization of ultrafine fly ash and silica fume content in high-performance concrete through an experimental approach. [PDF]
HeliyonLekhya A, Kumar NS.
europepmc +1 more source
Protection and parameter optimization of one-way surge tower for water conveyance pipelines under complex terrain conditions. [PDF]
Sci RepZhang X, Wang C, Li L, Bian S.
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Application of Refill, Recoil, Rebound (3R) as a Novel Chest Compression Technique in Cardiopulmonary Resuscitation; Report of Two Cases. [PDF]
Arch Acad Emerg MedTsoungani G, Nour S.
europepmc +1 more source
Investigating the influence of permeable formwork on the mechanical characteristics of glass fiber reinforced concrete. [PDF]
Sci RepKandasamy S +7 more
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Evaluation of schmidt rebound hammer testing: A critical approach
Bulletin of the International Association of Engineering Geology, 1993In the present paper, a critical approach to the evaluation of Schmidt hammer testing is attempted. Through a statistical analysis of field measurements on sandstone blocks from the archaeological site of Delphi (Greece), it was shown that there is an inconsistency in the correction method proposed by the manufacturer, in relation to the direction of ...
E Kolaiti
exaly +2 more sources
Rebound hammer test to estimate compressive strength of heat exposed concrete
Construction and Building Materials, 2018Abstract The residual concrete strength is required for evaluating the safety of reinforced concrete structures after fire. Based on the surface hardness of concrete, a rebound hammer test has been used to evaluate the compressive strength at the ambient temperature and after fire.
Danupon Tonnayopas
exaly +2 more sources
Abstract The spatial variability of the mechanical properties of concrete is an important characteristic, which plays an important role in the stochastic analysis of the concrete structures, especially in the reliability analysis. Two categories of experiments named non-destructive testing (NDT) and destructive testing (DT) are used for the ...
Taozhi Xu, Jie Li
exaly +2 more sources
High-strength concrete – NDT with rebound hammer: influence of aggregate on test results
Nondestructive Testing and Evaluation, 2014Rebound hammer is the most frequently used non-destructive method for estimation of concrete strength. Measurement results are influenced by various factors (components and composition of concrete, humidity or age), which are well known for normal-weight concrete. High-strength concrete (HSC) differs in quality and the question is to which extent these
Jiří Brozovsky
exaly +2 more sources
Testing of SFRC by the Schmidt Rebound Hammer
MRS Proceedings, 1990AbstractThe rebound number, its relationship to fundamental frequency and correlations with compressive strength and erosion - abrasion resistance are discussed. Nine mix proportions were used. The w/c ratios were varied from 0.30 to 0.65. The volumetric percentage of hooked steel fibres was varied from 0.25 to 2.0 vol.% at the w/c of 0.30; at the ...
Jakob Šušteršič +2 more
openaire +1 more source