1) Minus-temperature concrete science and technology
负温混凝土科学技术
2) negative temperature concrete construction technology
负温混凝土施工技术
3) minus temperature concrete
负温混凝土
1.
Early demage degree of construction in minus temperature concrete;
负温混凝土早期结构损伤程度研究
2.
It is shown that all the shrinkage of minus temperature concrete is smaller than that of the standard cured concrete.
研究了负温混凝土在经历了-5℃、-10℃、-15℃及自然变负温(+1℃～-6℃)养护7d,转为正温后的收缩率发展趋势,并与标准养护混凝土的收缩率进行了对比。
4) negative temperature concrete
负温混凝土
1.
Engineering application of negative temperature concrete in cold places;
寒冷地区负温混凝土的工程应用
2.
Strength testing of negative temperature concrete with supersonic rebounding method;
超声回弹综合法检测负温混凝土强度
3.
The paper focus on studying the influence of temperature and time to negative temperature concrete.
着重阐述了度时积对负温混凝土的影响。
5) concrete at subzero temperature
负温混凝土
1.
Study on early-age frozen-heave stress and the compressive strength rule of the concrete at subzero temperature;
负温混凝土早期冻胀应力与强度发展规律的研究
2.
Nondestructive monitoring for development of internal structure of concrete at subzero temperature
负温混凝土内部结构发展的无损监测
3.
The(R、Δf、P)28/(R、Δf、P)028,(R、Δf、P)-7+28/(R、Δf、P)028 and(R、Δf、P)-7+28/(R、Δf、P)28 are chose to evaluate structure damage of concrete at subzero temperature.
参照防冻剂标准JC475,提出以(R、Δf、P)28/(R、Δf、P)028,(R、Δf、P)-7+28/(R、Δf、P)028和(R、Δf、P)-7+28/(R、Δf、P)作为负温混凝土结构损伤评价参数。
6) concrete technology
混凝土技术
1.
This article elaborated the status of concrete material in proje ct con struction and the development tendency of concrete technology, analyzed main exi stent problems in the concrete technology and the project development in Chongqi ng and put forward the interrelated proposal.
本文论述了混凝土材料在工程建设中的地位及混凝土技术的发展趋势,分析了重庆市混凝土技术与工程发展存在的主要问题并提出了相关建议。
补充资料：国防科学技术先期技术开发(见国防科学技术预先研究)
国防科学技术先期技术开发(见国防科学技术预先研究)
advanced technology development of national defense science and technology
guomng kexue listiu Xlanqi lishu切ifa国防科学技术元期仪不井汉哗u-vanced teehnology develoPment ofnationalde-fense seienee and teehnology)见国防科学技术预先研究。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条