价值工程
價值工程
개치공정
VALUE ENGINEERING
2015年
6期
95-95,96
,共2页
预应力混凝土%预制梁%连续梁%强度%弹模%张拉
預應力混凝土%預製樑%連續樑%彊度%彈模%張拉
예응력혼응토%예제량%련속량%강도%탄모%장랍
prestressed concrete%precast beams%continuous beam%strength%elastic modulus%tension
本文介绍了水泥掺减水剂、减水剂和水泥双掺粉煤灰与减水剂和水泥双掺磨细矿碴的三个配合比设计方案，比较了52.5MPa水泥和42.5MPa的配制效果，同时也比较了各种掺合料在不同掺量时的配制强度，配制出了3天达设计等级强度90%，可同时满足预制梁和连续梁施工技术要求的高强、超早强预应力混凝土配合比设计方案。
本文介紹瞭水泥摻減水劑、減水劑和水泥雙摻粉煤灰與減水劑和水泥雙摻磨細礦碴的三箇配閤比設計方案，比較瞭52.5MPa水泥和42.5MPa的配製效果，同時也比較瞭各種摻閤料在不同摻量時的配製彊度，配製齣瞭3天達設計等級彊度90%，可同時滿足預製樑和連續樑施工技術要求的高彊、超早彊預應力混凝土配閤比設計方案。
본문개소료수니참감수제、감수제화수니쌍참분매회여감수제화수니쌍참마세광사적삼개배합비설계방안，비교료52.5MPa수니화42.5MPa적배제효과，동시야비교료각충참합료재불동참량시적배제강도，배제출료3천체설계등급강도90%，가동시만족예제량화련속량시공기술요구적고강、초조강예응력혼응토배합비설계방안。
This paper introduces three mix design programs of cement mixing water reducer, water reducer and cement double mixing fly ash, water reducer and cement double mixing finely ground ore ballast, compares the preparation effect of 52.5MPa and 42.5MPa cement, also compares the preparation strength of various admixtures at different dosage, and prepares the super-high early-strength concrete mix design program which can reach the design intensity 90% in three days and can meet the requirements of precast beam and continuous beam construction technology.
