价值工程
價值工程
개치공정
VALUE ENGINEERING
2015年
13期
98-100
,共3页
特细砂%配合比%高强度%高流动性%泵送
特細砂%配閤比%高彊度%高流動性%泵送
특세사%배합비%고강도%고류동성%빙송
extra-fine sand%mix proportion%high strength%high fluidity%pumping
本文通过试验分析特细砂粒径，不同材质的特细砂的基本物理材性，采用现代混凝土配合比设计理念，研究了特细砂混凝土配合比的设计原则。通过分析砂率含量、用水量、高效外加剂对特细砂高性能混凝土在工作性和力学性能上的影响，确定砂率含量的范围；通过对特细河砂和天然特细山砂混凝土性能的对比试验，结果表明细砂完全可以替代天然中粗砂配制高性能高强度、高流动性泵送混凝土。
本文通過試驗分析特細砂粒徑，不同材質的特細砂的基本物理材性，採用現代混凝土配閤比設計理唸，研究瞭特細砂混凝土配閤比的設計原則。通過分析砂率含量、用水量、高效外加劑對特細砂高性能混凝土在工作性和力學性能上的影響，確定砂率含量的範圍；通過對特細河砂和天然特細山砂混凝土性能的對比試驗，結果錶明細砂完全可以替代天然中粗砂配製高性能高彊度、高流動性泵送混凝土。
본문통과시험분석특세사립경，불동재질적특세사적기본물리재성，채용현대혼응토배합비설계이념，연구료특세사혼응토배합비적설계원칙。통과분석사솔함량、용수량、고효외가제대특세사고성능혼응토재공작성화역학성능상적영향，학정사솔함량적범위；통과대특세하사화천연특세산사혼응토성능적대비시험，결과표명세사완전가이체대천연중조사배제고성능고강도、고류동성빙송혼응토。
This paper analyzes the grain size of extra-fine sand, the basic physical material of extra-fine sand with different materials by experiment, and studies the design principles of concrete mix proportion of extra-fine sand by the design concept of modern concrete mix proportion. The scope of sand ratio content is determined by analyzing the influence of sand ratio content, water consumption, and efficient additive on the workability and mechanical properties of high performance concrete of extra-fine sand. Through the contrast test of concrete performance of extra-fine river sand and natural extra-fine hill sand, the result shows that extra-fine sand and replaces natural rough sand to prepare the pumping concrete with high performance, high strength and high liquidity.
