Results 11 to 20 of about 19,869 (147)

Reliability of internal column-slab connection under punching according to NBR 6118:2014

open access: yesRevista IBRACON de Estruturas e Materiais, 2018
This article presents a study on the reliability of internal column-slab connection under punching, designed according to the Brazilian Standard NBR 6118:2014.
G. R. SILVA, A. CAMPOS FILHO, M. V. REAL
doaj   +2 more sources

Science with a punch [PDF]

open access: yesCurrent Biology, 1997
There are changes afoot in the way that US granting agencies, most notably the NIH, evaluate proposals. Change can be a good thing, and it is probably high time that the NIH reassessed how grants are evaluated. Frankly, I was becoming blase about the entire granting process.
openaire   +2 more sources

The damaging punch. [PDF]

open access: yesBMJ, 1985
The mechanical properties of a boxing punch have been determined using several techniques. The results are consistent with the medical consequences of boxing discussed in the report of the Board of Science and Education Working Party on boxing. Data were gathered from a world ranked British professional heavyweight, Frank Bruno, as he punched an ...
Maurice R. Yeadon   +3 more
openaire   +3 more sources

Fabrication of Dish-Shaped Micro Parts by Laser Indirect Shocking Compound Process

open access: yesMicromachines, 2016
Compound process technology has been investigated for many years on a macro scale, but only a few studies can be found on a micro scale due to the difficulties in tool manufacturing, parts transporting and punch-die alignment.
Huixia Liu   +7 more
doaj   +1 more source

Joint strength of GFRP / A6061 Al alloy joint made by punching rivet method

open access: yesNihon Kikai Gakkai ronbunshu, 2022
To reduce weigh of the transportation machines, joining of the FRP and the light metal is considered as important technique. In this study, the punching rivet method was applied to make joints between a GFRP sheet and an aluminum alloy A6061 sheet and ...
Koichi KAIZU   +4 more
doaj   +1 more source

Hot semi-punching and cold scrap removing processes for hot stamping of ultra-high strength steel parts

open access: yesManufacturing Review, 2015
Hot semi-punching and cold scrap removing processes for hot stamping of ultra-high strength steel parts were developed to eliminate laser cutting having low productivity after hot stamping.
Mori Ken-ichiro   +2 more
doaj   +1 more source

Optimization of high-pressure air jet parameters and analysis of erosion characteristics for similar materials in coal bodies

open access: yesMeikuang Anquan, 2023
In order to effectively avoid the possible drawbacks of water seal inhibiting gas resolution and reducing coal seam permeability, based on the existing air jet research foundation, theoretical analysis and laboratory experiments were used to analyze and ...
Heng MA, Zheng GONG, Ke GAO, Xin SONG
doaj   +1 more source

Effect of Shape, Number, and Location of Openings on Punching Shear Capacity of Flat Slabs

open access: yesBuildings, 2021
Experimental evidence have proved that punching shear capacity of flat slabs deteriorate with the presence of openings located within the critical perimeter around columns.
Ekkachai Yooprasertchai   +5 more
doaj   +1 more source

Punching shear strength under static and dynamic loads [PDF]

open access: yesE3S Web of Conferences, 2023
Modern domestic calculation methods and developed countries for determining the bearing capacity of monolithic reinforced concrete slabs for punching do not fully take into account all factors of design solutions and operating conditions.
Trekin Nikolai   +2 more
doaj   +1 more source

Post punching shear pattern and progressive collapse of flat slab building [PDF]

open access: yesRevista IBRACON de Estruturas e Materiais, 2023
The possibility of the occurrence of a second punching shear failure and of a Progressive Collapse after a punching shear failure had occurred in one flat slab column connection is investigated in two building structures, using Eberick and SAP2000 ...
Bernardo Cruz Pereira Galdino   +1 more
doaj   +1 more source

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