5 کلمه ای که امروز قصد معرفی آن را داریم به ترتیب دارای معانی زیر است، شما می توانید معنی انگلیسی آن ها را نیز در ادامه مشاهده نمایید.
1.سایش
2.تکیه گاه
3.تندگیر کننده
4.چسبندگی
5.ماده ی افزودنی
ABRASION: The process of wearing away by friction
ABUTMENT: A concrete support wall constructed at both ends of a bridge or an arch, inorder to resist the horizontal force from the bridge or the arch, support the ends of the bridgespan and to prevent the bank from sliding under
ACCELERATOR: A substance such as calcium chloride (CaCl2), added in small quantities(max. 0.03% of the cement) to plain concrete to hasten its hardening rate, its set or both
ADHESION OR BOND: The sticking together of structural parts by mechanical or chemicalbonding using a cement or glue
ADMIXTURE OR ADDITIVE: A substance other than aggregate, cement or water, added insmall quantities to the concrete mix to alter its properties or those of the hard concrete. Themostimportantadmixtures for concrete are accelerators, air-entraining agents, plasticizersand retarders.
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