Results 241 to 250 of about 2,453 (294)

Bone Preservation in Femoral Intercondylar Box Cut - A Comparative Study between Older and Newer Generation Implants. [PDF]

J Orthop Case Rep
Pandian H, Kumar NUS, Kumar KVA, Uvaraj NR, Sheik M.   +4 more
europepmc   +1 more source

Noise Annoyance Among College Students: A Qualitative Analysis of Complaint Emails in a Chinese University.

Noise Health
Fan J, Chen Y, Smith AP, Liu Y.
europepmc   +1 more source

Identification of hammering signal for construction of hammering test system [PDF]

The Proceedings of The Computational Mechanics Conference, 2017
Eiki Matsuoka, Yoichi Hirose, Takahiko Kurahashi, Yuki Murakami, Shigehiro Toyama, Fujio Ikeda, Tetsuro Iyama, Ikuo Ihara   +7 more
openaire   +2 more sources

Development of Technology to Improve Hammering Test [PDF]

Concrete Journal, 2017
N. Utagawa, M. Yasunaga, T. Sugimoto
openaire   +2 more sources

Numerical simulation for hammering signal identification in non-destructive hammering test [PDF]

The Proceedings of Conference of Hokuriku-Shinetsu Branch, 2017
Eiki MATSUOKA, Takahiko KURAHASHI, Yuki MURAKAMI, Shigehiro TOYAMA, Fujio IKEDA, Tetsuro IYAMA, Yoshihiro TAWARA   +6 more
openaire   +2 more sources

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Rock Drilling Test with a Rotary Hammer

Geotechnical Testing Journal, 2022
ABSTRACT Various test methods have been proposed for obtaining rock strength; however, further research is needed on estimation methods of hard rock strength in situ. In this study, rock drilling tests were conducted with small handheld rotary hammers in a laboratory with four rocks and in situ at two sites. In spite of the fact that the
K. Hashiba, K. Fukui
openaire   +1 more source

Bench Tests for Chipping Hammers

Russian Engineering Research, 2021
The basic test systems for hand-held impact tools such as chipping hammers are reviewed. The subsequent discussion considers the possibility of developing bench tests for chipping hammers that better reproduce the manual process in terms of the hammer position with respect to the workpiece.
openaire   +1 more source

A Study on Hammering Test using Deep Learning

2020 IEEE 15th International Conference of System of Systems Engineering (SoSE), 2020
Technical infrastructure such as bridges and tunnels are critical in economic activities, but in recent years, aging of them has progressed, and demand for checking the soundness of them is expanding. There are several technologies to inspect the aging process of the structures to find cracks on a wall or flacking inside of concrete.
Tsubasa Fukumura, Hayato Aratame, Atsushi Ito, Masafumi Koike, Katsuhiko Hibino, Yoshihisa Kawamura   +5 more
openaire   +1 more source

Test stand for pneumatic hammers

Journal of Mining Science, 2007
The impact energy damping stand is designed to test pneumatic hammers. The choice of material to be a damping material is reasoned. Deformation is established for the damping material under an impact impulse effect. The calculation method is proposed to evaluate the basic damper parameters for the stand.
V. V. Chervov, A. S. Smolentsev
openaire   +1 more source

Impact test hammer

The Journal of the Acoustical Society of America, 1992
An impact test hammer includes a cylindrical handle having opposite first and second end portions and a hollow interior, a sensor portion fixed to the first end portion of the handle, and a grip portion fixed to the second end portion of the handle. An elastic striking portion is fixed to an outer periphery of the sensor storage portion, and an impact ...
Kiyoshi Umemura, Teruo Irie
openaire   +1 more source