• n. 碎石；碎石路面
• n. (MacAdam)人名；(英)麥克亞當

來自19世紀蘇格蘭土建工程師John McAdam,字面意思即son of Adam.其于1822年設計了一種用顆粒大小一致的碎石子鋪路的在當時領先的筑路技術。后這一技術被進一步改良，使用柏油和碎石攪拌以使路面更堅固耐用。

macadam (n.)

1824, named for inventor, Scottish civil engineer John L. McAdam (1756-1836), who developed a method of leveling roads and paving them with gravel and outlined the process in his pamphlet "Remarks on the Present System of Road-Making" (1822). Originally the word meant road material consisting of a solid mass of stones of nearly uniform size laid down in layers (McAdam did not approve of the use of binding materials or rollers). The idea of mixing tar with the gravel began 1880s.

1. In this research lime - fly - ash bound macadam was joined with glass fibers in lab tests.

玻璃纖維摻入到二灰碎石基層中,對其強度和剛度進行試驗.

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2. After experiment , we made a lot initial clinical applications and got ideal macadam effect.

并在此基礎上進行了初步的臨床應用,獲得了理想的碎石效果.

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3. By means of high - temperature curing, the curing period of lime - fly ash stabilized bound macadam is shortened.

通過高溫養生手段縮短二灰穩定碎石的養生齡期.

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4. Macadam type bases involving successive layers of crushed rock bound with rock dust were also used.

人們曾經使用“石結”基層——幾層由石粉黏結在一起連續的碎石層.

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5. The construction techniques of cement treated macadam base are always paid more attention by highway constructors.

水泥穩定碎石基層的施工技術歷來被公路施工單位所重視.

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