نتایج جستجو برای: compacting
تعداد نتایج: 1919 فیلتر نتایج به سال:
Abstract Induction furnace slag (IFS) and quarry dust (QD) were reported as good materials in making ordinary concrete. Studies not done on utilizing IFS QD constituents of high-performance-self-compacting-concrete (HPSCC). This study aims at assessing the effects induction strength durability high-performance self-compacting Strength tests including compressive, flexural, split tensile, reboun...
The basic physics and technological aspects of application of the electromagnetic impulses for the obtaining of permanent connections from pipes, for compacting of powders and for shaping of details from metallic and nonmetallic materials are analyzed. The recommendations on choice of parameters of the equipment (pulsed electromagnetic fields generator) and of the tool (magnetic coil) for the a...
Mechanistic details of DNA compaction is essential blue print for gene regulation in living organisms.Many in vitro studies have been implemented using several compaction agents. However, these compacting agents may have some kinds of cytotoxic effects to the cells. To minimize this aspect, several research works had been performed, but people have never focused green solvent, i.e. room tempera...
Aluminum-based metal matrix composite (MMC) materials are used in the design of ground transportation vehicles and aircraft. Compared with conventional, unreinforced alloys, composite materials usually exhibit higher strength, both at ambient and elevated temperatures, as well as good fatigue strength and wear resistance. MMCs could be produced by variety of methods such as Stir cast, Liquid In...
This study investigates the engineering performance and CO₂ footprint of mortar mixers by replacing Portland cement with 10%, 20%, 40% and 60% fly ash, a common industrial waste material. Samples of self-compacting mortar (SCM) were prepared with four different water/binder ratios and varying dosages of superplasticizer to give three ranges of workability, i.e., normal, high and self-compacting...
In order to obtain high output powers from transversely excited pulsed lasers it is important to have a very uniform energy loading of the active gas medium. That is why there is a need for specially contoured electrodes which produce a very uniform field strength over a certain amount o f surface. A number o f authors have given solutions to this problem. Up to now, Rogowski profiles [ 1] are ...
At highly congested reinforcement regions, which is common at beam-column joint area, clear spacing between parallel bars becomes less than maximum normal aggregate size (20mm) which has not been addressed in any design code and specifications. Limited clear spacing between parallel bars (herein after thin cover) is one of the causes which affect anchorage performance. In this study, an experim...
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