Study and application of the heavy concrete of pump sending;
泵送重混凝土的研究与应用
Design method of mix proportion for heavy concrete
重混凝土的配合比设计方法的探讨
Analyzing the main influential factors of the creep of RCC, combining the used research results, analyzing the reasons of the creep difference between dam RCC and conventional concrete, we will know that the creep of dam RCC may be smaller than that of conventional concrete.
根据碾压混凝土徐变的影响因素,结合已有的研究成果,分析我国坝体碾压混凝土与常态混凝土的徐变存在差距的原因,得知实际坝体碾压混凝土的徐变不一定比常态混凝土的小,并列出几个工程的实验资料,得出更深一步的结论。
In combination with the progress on construction technology in RCC dam and conventional concrete dam in China in recent years, a new concept RCC dam is further discussed.
结合我国近年来在碾压混凝土坝和常态混凝土坝的进展,再论新概念碾压混凝土坝。
The prototype monitoring data and an understanding on temperature rise of hydration, self volumetric deformation and deformation of joint face between RCC and conventional concrete have been proposed.
对三峡一期纵向围堰碾压混凝土现场施工试验的内部观测仪器埋设方法进行了总结,同时介绍了对碾压混凝土的水化热温升、自生体积变形、与常态混凝土胶结面的变形等原型观测成果。
At intake dam section of Longtan Hydropower Station normal concrete is placed mainly by cable crane and tower crane,with spout,tyre-belt conveyer and backhoe as auxiliary means to accelerate the process so as to complete the placement on schedule.
龙滩水电站进水口坝段常态混凝土施工主要采用缆机、塔机入仓浇筑,为满足施工工期要求,同时采用溜管、胎带机、反铲等辅助入仓手段以提高混凝土入仓强度,为尽量避免混凝土在运输过程中造成温升,通过在混凝土生产、运输、浇筑和通水冷却等过程中合理控制混凝土温度,并细化各环节温度控制措施,使坝体混凝土温度得以良好控制。
It is indicated that the crack resistance of RCC is better than that of normal concrete.
对国内外试验研究资料的整理分析后得出碾压混凝土具有比常态混凝土更优越的抗裂性能。
Discussion on the steel slag heavy concrete construction of Beijing Hua'neng edifice
北京华能大厦钢渣重混凝土施工浅谈
concreting boom
浇注混凝土起重机臂
pipe concrete coating thickness
管子混凝土加重层厚度
Study on Application of the Concrete Face Wall in Roller Compaction Concrete Gravity Dam;
混凝土面墙在碾压混凝土重力坝中的应用研究
Key words: reinforced concrete、 concrete、 high performance concrete、 cement concrete、 pozzolanic effect、 mass concrete.
关键词:钢筋混凝土、混凝土、性能混凝土、高强混凝土、泥混凝土、生骨料混凝土、体积混凝土。
The depth of concrete carbonization is a vital index for evaluating the durability of the reinforced concrete.
混凝土碳化深度值是评价钢筋混凝土结构耐久性的一个重要指标。
New Concrete / Cure ? when bleed water is gone and will withstand the weight of a man.
用于新混凝土养护:当混凝土不再渗水,且可以承载人体重量时。
Construction of concrete faced rockfill dam on an existing concrete gravity dam--introduction of New Yesa Dam in Spain
利用旧混凝土重力坝改建混凝土面板堆石坝——西班牙的新耶撒坝
gin pole type concrete spouting plant
起重桅杆式混凝土灌注设备
concrete chuting cable crane
滑槽运送混凝土用死起重设备
Specification for quality control of ready mixed concrete for Chongqing
重庆市预拌混凝土质量控制规程
Prestressed Concrete Pipe
预应力混凝土管(俗名重装石屎垌)
Study of RCC gravity dam temperature creeping stress
碾压混凝土重力坝温度徐变应力研究
Design of RCC Gravity Dam of Suofengyin Hydropower Station
索风营水电站碾压混凝土重力坝设计
Freezing-thawing Durability of Carbonized Concretes Subjected to Multiple Damage Factors;
多重因素作用下碳化混凝土的抗冻性
Research on the Simulation of RCC Dam Construction Process;
碾压混凝土重力坝施工过程仿真研究
Simulating Analysis on Seepage Field of Fengman Concrete Gravity Dam;
丰满混凝土重力坝的渗流场仿真分析
Study on Temperature Control and Crack Prevention of High RCC Gravity Dams;
高碾压混凝土重力坝的温控防裂研究
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