This paper is focused on hybrid busbar joints with a twofold objective of understanding the differences in electrical resistance under service conditions and evaluating their performance when subjecte.
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[pdf] A cold joint occurs when concrete is placed against hardened concrete. Proper surface preparation, adequate bonding agents, and timely placement. This discontinuity occurs because the older material has passed its initial setting time, preventing a true chemical bond with the fresh mix. Instead of forming a monolithic (single, unified) structure, the two layers fail to bond properly.
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