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Unsymmetrical bending in square reinforced concrete columnsMcCarthy, John Arnold 08 1900 (has links)
No description available.
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The behaviour and repair of reinforced concrete footings /Lai, David Ying Kit. January 1982 (has links)
No description available.
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Fully non-contact, air-coupled generation and detection of ultrasound in concrete for nondestructive testingSchempp, Fabian 13 January 2014 (has links)
It is well known that liquid coupling agents, which are commonly used in conventional ultrasonic testing to couple an ultrasonic transducer to a solid specimen, cause a number of problems including inconsistency in results and slowness of the inspection. This is especially true when the specimen surface is rough, such as those in field concrete structures; here the solution involves time-consuming surface preparation to polish every single point of inspection, making it impractical to inspect field structures with conventional, contact methods. To address this issue, this thesis proposes a new, fully non-contact, air-coupled measurement setup in the mid to high ultrasonic frequencies (50-150 kHz). This advanced setup and measurement technique is evaluated by calculating the signal to noise ratio for different numbers of signal averages. In addition, the effect of the lift-off distance of the transducer over the sample is also investigated. Ultrasonic waves are generated and detected in this frequency range with a sufficiently high signal to noise ratio (SNR), which enables performing a fast scan with a small number of signal averages. Using this setup, phase velocity and attenuation of Rayleigh surface waves in a concrete specimen are first measured. Then, the air coupled ultrasound technique is used to detect dicontinuities such as cracks at a concrete joint and reinforcement bars in a concrete block. Also, the capability of the proposed technique for measuring depths of surface-breaking cracks using air-coupled generated Rayleigh waves is demonstrated. Since this measurement setup directly generates Rayleigh waves, most of the disadvantages in the techniques based on the impact-echo method can be avoided and thus data processing is much simpler than that in the impact-echo based techniques. The results of the measurements show that this setup is highly promising and a big advancement towards the rapid ultrasonic nondestructive testing on large-scale field concrete structures.
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Combined bending, torsion and shear of reinforced concrete beams.Grimes, Melvin J. January 1973 (has links)
No description available.
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Performance of admixtures intended to resist corrosion in concrete exposed to a marine environmentCheng, Huiping January 2006 (has links)
Thesis (M.S.)--University of Hawaii at Manoa, 2006. / Includes bibliographical references (leaves 113-114). / xi, 132 leaves, bound ill. 29 cm
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Development of self-consolidating concrete for drilled shaft applications in HawaiʻiIshisaka, Renee January 2007 (has links)
Thesis (M.S.)--University of Hawaii at Manoa, 2007. / Includes bibliographical references (leaves 138-139). / x, 139 leaves, bound ill. (some col.) 29 cm
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Peeling of plates adhesively bonded to reinforced concrete beams / by M.S. Mohamed Ali Sahid.Mohamed Ali, M. S. January 2000 (has links)
Errata pasted onto front end-paper. / Includes bibliographical references. / xv, 593 p. : ill. ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Studies the peeling mechanism in plated beams and develops analytical procedures to quantify the shear peeling strength of steel plated beams.. / Thesis (Ph.D.)--University of Adelaide, Dept. of Civil and Environmental Engineering, 2000
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Flexure shear response in fatigue of fiber reinforced concrete beams with FRP tensile reinforcementDeYoung, Kenneth Lee. January 2007 (has links)
Thesis (M.S.)--University of Missouri-Columbia, 2007. / The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on March 24, 2008) Includes bibliographical references.
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389 |
Simulation of the permanent deformation of asphalt concrete mixtures using discrete element method (DEM)Zelelew, Habtamu Melese, January 2008 (has links) (PDF)
Thesis (Ph. D.)--Washington State University, May 2008. / Includes bibliographical references (p. 166-182).
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390 |
Development of a selective weakening approach for the seismic retrofit of reinforced concrete structural walls : a thesis submitted in partial fulfilment of the requirements for the degree of Master of Engineering at the University of Canterbury /Ireland, Matthew. January 2007 (has links)
Thesis (M.E.)--University of Canterbury, 2007. / Typescript (photocopy). Includes bibliographical references. Also available via the World Wide Web.
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