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                <dct:description xml:lang="kr">골재의 입도 분포는 체분석에 의하여 무게비로 산출하며, 잔골재의 체분석에 사용되는 표준체는 ASTM C 33에서 규정하는 No.3/8, No.4, No.16, No.30, No.50 및 No.100 체이다. 입도 분포 시험은 ASTM C 136과 KS F 2502에 따라 수행함, 입도 분포 한계와 최대 골재 입경(maximum aggregate size)은 콘크리트의 시멘트와 물의 필요량, workability, 공기량, 수축 및 경제성에 영향을 미치는 요인들을 감안하여 결정됨, 입도 분포의 변화에 따라 콘크리트의 배합비를 조절할 필요성 여부와 몇 개의 다른 골재원이 있을 때 가장 적합한 골재원을 선택하는데 활용할 수 있음</dct:description>
                <dct:description xml:lang="en">The particle size distribution of aggregate is calculated as a weight ratio by sieve analysis, and the standard sieves used for sieve analysis of fine aggregate are No. 3/8, No. 4, No. 16, No. 30, No. 50, and No. 100 sieves specified in ASTM C 33. The particle size distribution test is performed according to ASTM C 136 and KS F 2502. The particle size distribution limits and maximum aggregate size are determined by considering factors affecting the cement and water requirements, workability, air content, shrinkage, and economy of concrete. It can be used to determine whether it is necessary to adjust the mixing ratio of concrete according to the change in particle size distribution, and to select the most appropriate aggregate source when there are several different aggregate sources.</dct:description>
                <dct:title xml:lang="kr">국토교통부_골재자원조사_입도분석결과</dct:title>
                <dct:title xml:lang="en">Ministry of Land, Infrastructure and Transport_Aggregate Resources Survey_Particle Size Analysis Results</dct:title>
                <dct:issued rdf:datatype="http://www.w3.org/2001/XMLSchema#date">2025-08-11</dct:issued>
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                <dcat:theme>산업·통상·중소기업 - 에너지및자원개발</dcat:theme>
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                        <dct:issued rdf:datatype="http://www.w3.org/2001/XMLSchema#date">2025-08-13</dct:issued>
                        <dcat:title>국토교통부_골재자원조사_입도분석결과_20250811</dcat:title>
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                <dct:title>국토교통부_골재자원조사_입도분석결과</dct:title>
                <dct:issued rdf:datatype="http://www.w3.org/2001/XMLSchema#date">2025-08-11</dct:issued>
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