Results 1 to 10 of about 12,044 (252)
Energy Science & Engineering, 2023 Aiming at the application of hydraulic punching technology in soft, low permeability, and high gas coal seams in Changping Coal Mine, there are problems such as large workload, poor permeability enhancement effect, and the formation of “blank zones” in ...
Rui Min +4 more
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Progressive Collapse Analysis Of Flat Slab Buildings With Post-Punching Effect [PDF]
مهندسی عمران شریف, 2021 The reinforced concrete flat slab is one of the types of floor systems used to construct residential, office and parking buildings. Because of the direct transfer of floor loads to columns, flat slabs are susceptible to punching failure in slab-column ...
E. Mousapoor, V. Ghiasi, R. Madandoust
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Manufacturing 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
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Reliability of internal column-slab connection under punching according to NBR 6118:2014
Revista 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
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Fabrication of Dish-Shaped Micro Parts by Laser Indirect Shocking Compound Process
Micromachines, 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
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Damage evaluation of quartz woven fabrics during needle punching process
Journal of Industrial Textiles, 2022 This paper reports an experimental study on the damage evaluation of quartz woven fabrics during needle punching process under different needle punching densities. The straight fiber bundles begin appearing in Z direction at 50 punches · cm −2 and the “U-
Peijian Du +5 more
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Reliability and Practical Use of a Commercial Device for Measuring Punch and Kick Impact Kinetics
Sports, 2022 Martial arts, boxing and combat sports such as mixed martial arts participation have gained popularity in recent years internationally. One common aspect to these sports is the training and skill in maximizing strike impact of punches and kicks, referred
Luke Del Vecchio +4 more
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Punching shear strength under static and dynamic loads [PDF]
E3S 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
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Comparison of Punching Shear Design in Finland According to the Current and the Former Method
Nordic Concrete Research, 2019 In the beginning of 2017 the design method for punching shear in Finland was changed. The method presented in Eurocode 2 was adopted with some nationally determined parameters and rules.
Lehtonen Tuomas +2 more
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Post punching shear pattern and progressive collapse of flat slab building [PDF]
Revista 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
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