low heat of hydration 中文意思是什麼
low heat of hydration
解釋
低熱-
With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion
研究結果表明：通過對rpc各組分摻量變化的研究，可以找到rpc的最優配合比；試件成型后的熱養護制度對rpc的性能影響巨大； rpc的抗壓應力?應變曲線可以反映出試件受破壞時微裂紋的擴展情況，剛纖維的摻入可以大幅改善rpc的韌性； rpc在成型后存在較大的收縮，而其中的化學收縮要遠遠大於乾燥收縮； rpc具有很強的抗氯離子滲透性能，漿體的密實度很高；通過x射線衍射實驗，可以發現rpc的膠凝體中ch晶體已經幾乎不存在，膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成；在抗溶液侵蝕的實驗中，摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件，酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用，但是機理各有不同。 -
The shrinkage characteristics of hsc and normal concrete at short term and long term are researched. based on the above research, high performance expansive c50 - c80 concrete, which posses good expansive properties, excellent flow ability, low slump loss and hydration heat. in order to improve the anti - cracking of some important projects, such as cutting wall, the workability and bulk stability of fiber - reinforced micro expensive concrete are researched
針對高強混凝土的收縮特性以及性能特點，本文提出將膨脹劑引入高強混凝土內進行補償收縮，研究了粉煤灰、礦渣、硅灰等摻和料對混凝土工作、力學耐久性能的影響和c50 c80高強微膨脹補償收縮混凝土的力學與工作性能，配製出具有很好的可泵性能和耐久性能的混凝土。
分享友人