chemical admixture 中文意思是什麼
chemical admixture
解釋
化學摻合料-
Chemical admixtures have become the indispensable ingredient of modern concrete and gained wide uses in the fields of civil engineering, water conservancy constructions, road and bridge, underground structures, oil well platforms and marine constructions, etc. as the most important kind of chemical admixture, the fabrication and application technology of superplasticizers, to some extend determine the development of production technology of concrete
混凝土外加劑已經成為現代混凝土材料的基本組份，正在建築工程、水利水電、道路橋梁、地下結構、石油鉆井及海工結構等中獲得越來越廣泛的應用。高效減水劑是混凝土外加劑中最重要的化學外加劑，其生產和應用技術水平很大程度上決定著當今混凝土材料生產技術和施工應用水平。 -
Their effects on the chemical shrinkage, self - shrinkage, hole structure of cement stone and on the shrinkage of mortar and concrete were also studied thoroughly, and a concrete admixture with high performance of crack - resistant and water - repellent was prepared
通過它們對水泥石的化學收縮和自收縮、孔結構以及對砂漿及混凝土的收縮性能的深入研究配製出了一種性能優良的混凝土抗裂防水外加劑。 -
This paper analyses the problem of concrete cracking and leakage, and set up the model of the middle or low - strength steel slag anti - cracking and impermeable concrete ( acic ) on the base of the analysis. the four principles of water permeable resistance character, volume stability character, toughness and anti - chemical corroded character have been put forward for raw materials selection and durability design of acic, acic is designed by the theory of composite material and the theory of fiber - reinforced, and two series of acic, such as fly ash series and steel slag series, have been manufactured by means of mineral admixture, hybrid fiber and chemical admixture. hydrating heat, macro - mechanics quality, durability and microstructure of the acic have been researched
本文對中低標號大體積混凝土滲透開裂問題進行了研究，從混凝土自身結構形成與經濟角度指出大摻量粉煤灰與膨脹劑復合配製大體積混凝土的問題所在，提出採用鋼渣微細礦粉配製中低標號防滲抗裂混凝土的思路，運用復合材料理論設計中低標號防滲抗裂混凝土，提出了低水化熱、抗滲性能、體積穩定性、韌性和抗沖磨性能是中低標號防滲抗裂混凝土材料選擇和耐久性設計的主要原則，採用鋼渣微細粉復合混雜纖維、化學外加劑的技術路線，配製了適合於深水等特殊環境中的大體積中低標號鋼渣系列防滲抗裂混凝土，對其進行水化特性、宏觀物理力學性能、耐久性和微觀結構研究。 -
Formula s founded on factors of water - binder and fly ash content is feasible. at the same time ， the effects of fly ash quality ( grade ， fly ash from huaneng fuzhou power plant ), content of chemical admixture etc al, are investigated
本文利用環境掃描電子顯微鏡（ esem ）技術，研究粉煤灰對各齡期（ 3d 、 7d 、 28d 、 60d ）混凝土細觀結構的影響和不同品質粉煤灰對混凝土細觀結構的影響。 -
In this paper, in term of low water - binder ratio, high - volume fly ash concrete with chemical admixture is produced
本文採用雙摻（摻粉煤灰和高效減水劑） 、低水膠比的技術路線，配製高摻量粉煤灰混凝土。 -
On the base of studying the compatible of chemical admixture and mineral admixture with cement, according to heat of hydration, chemical shrinkage and environment condition in the course of concreting and restrained cracking sensitivity indicates different quantity of mineral admixtures lead to different effect to the stability of concrete, such as 30 % fly ash and 40 % ~ 60 % micro - slag can improve the stability, but silica fume deteriorates the stability
在研究了化學外加劑、礦物摻合料與水泥兼容匹配關系的基礎上，指出不同礦物摻合料對混凝土的體積穩定性（熱穩定性、化學收縮、干縮、開裂敏感性）的影響不同，粉煤灰摻量達到30 ，礦粉在40 60改善體積穩定性，硅灰惡化了體積穩定性。 -
Analyzing the factors of concrete workability, mechanics quality, durability, cost, the key of mamufacturing lc - hpc are compatible of chemical admixture, stability of volume durability are pointed out, at the same time the principle and the technique route of lc - hpc is put forward
通過對影響混凝土工作性、力學性能、耐久性、生產成本的因素分析，指出混凝土化學外加劑的兼容性、體積穩定性、耐侵蝕能力是lc - hpc配製的關鍵，提出了lc - hpc配製原則和技術路線。
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