水泥水化熱 的英文怎麼說
中文拼音 [shuǐníshuǐhuàrè]
水泥水化熱
英文
hydration heat of ce-ment-
Construction of a mass concrete is in the construction process, because of cement let out in large quantity hydration heat and surface of a mass concrete let out heat, make its temperature, humidity cause to ascend and descend, and it causable constringency transform will be unavoidable
大體積混凝土結構在施工過程中，由於混凝土中水泥熟化時放出大量的水化熱及其隨后的表面散熱，使其溫度、濕度出現升降變化，並由此而引起的收縮變形將是無法避免的。Huida products are recommended as thermal insulation in stove, cave dwelling of steel mill, petrochemical, ceramics, glass, cement industries and power industries as well as other various ancillary heating equipment
該材料由於使用溫度高，適用於鋼鐵、石化、陶瓷、玻璃、水泥等各種爐窯的保溫，及電力、機械、電子、造船等行業的保溫隔熱。Test method for heat of hydration of cement adiabatic method
水泥水化熱試驗方法The experimental results show that these models can express precisely the isotherm hydration heat emission curve of portland cement and the autogenous shrinkage process of concrete prepared with portland cement
實測數據檢驗結果表明，這2個模型可以用於模擬硅酸鹽水泥的等溫水化放熱曲線，以及用硅酸鹽水泥配製的混凝土的自收縮發展過程。Utilization is of importance for hydraulic concrete. utilization of the industrial scrap such as fly ash for concrete not only saves cement and invest, but also produces and improvement of concrete performance, including the cracking of mass concrete due to hydration heat
利用粉煤灰等工業廢料生產混凝土不僅可節約大量水泥，減少投資，而且可以改善混凝土的某些性能，包括在大體積混凝土中防止水化熱引起的結構開裂。There is an old saying in our field - " no dam is not crackable ". the crack is mainly because of the bad dilation after " alkali - aggregate reaction ", the temperature traverse inside and outside the concrete with the happening of heat evolution and the shrink of volume due to the cooling of concrete
水電行業有句「無壩不裂」的俗話，產生裂縫的原因主要有「堿集料反應」造成的破壞性膨脹，水泥水化過程中放出的熱量出現的混凝土內外溫度梯度和水泥石硬化後由於後期降溫發生的體積收縮等造成。The compatibility and harmony among workability, mechanical grade and durability are optimized, with the ground of adjusting composition and dosage of fd - 1 ; after analyzing anti - freezing damage mechanism, it is concluded that temperature is main factor, which affects structure and property of concrete. after two processes of temperature - elevation of hydration heat and temperature - descent of cold - environment, there is original damage in concrete and its existence leads to temperature fields, as results in temperature damage on transition phase > aggregate and cement mortar of concrete
通過對負溫混凝土早期防凍分析研究認為，環境溫度對混凝土的結構形成及其性能的影響十分突出，水泥水化溫升和環境散熱降溫兩個過程導致混凝土結構內部產生不均勻溫度場，對過渡相、水泥砂漿以及骨料都能產生不同程度的溫度損傷，產生內部溫差應力裂紋，初始損傷也是不可避免的。Thermal insulating materials - finishing materials ; hard setting composition, self - setting cement and gypsum plaster
隔熱材料.第6部分:精整材料;硬結復合材料，自固化水泥和石膏粉飾材料Calculation of heat balance for mechanical cement shaft kilns
機械化水泥立窯熱工計算Nomex ( aramid ) : asphalt plants, chemical plants, cement plants, high resistance to heat, high wetness resisting temperature
諾美克斯（芳族聚酸胺） ：瀝青工廠，化工廠，水泥工廠；高抗熱性，高耐潮性。Effects of the addition of pvac on performance of hot pressed cement particleboard
添加量對熱壓法快速固化水泥刨花板性能的影響Effect of hot - pressing temperature and natural curing time on properties of fast - curing cement particle board
熱壓溫度和養護時間對快速固化水泥刨花板性能的影響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。Main products of huayao include ceramic roller kiln, tunnel kiln, glass furnace, metallurgical carbide furnace, baking furnace, coke oven, heat treatment furnace, cement kiln, brick kiln, boiler, crystallite glass kiln, high - temperature shuttle kiln, and etc
陶瓷輥道窯、隧道窯，玻璃熔窯，冶金碳化爐、焙燒爐、焦爐、熱處理爐，建材水泥窯、磚瓦窯、鍋爐，微晶玻璃窯，高溫抽屜窯等均為拳頭產品。The results show that : the fillers of sio2 based investment consist of sio2, al2o3 and mgo, and the binder is nh4h2po4 for sio2 based investment, the bulk density and the compression strength decrease, the apparent porosity and the thermal expansion increase, when the specimens are heated to 900 ; the fillers of al2o3 based investment consist of al2o3 and mgo, and the binder is nh4h2po4 ; for al2o3 based investment, the bulk density decreases and the apparent porosity increases when the specimens are heated to 900 ; the fillers of mgo based investment consist of mgo and al2o3, and the binder is ca cement ; for mgo based investment, the compression strength decreases and the thermal expansion increases greatly when the specimens are heated to 900
結果表明：氧化硅系包埋料的骨料是氧化硅、氧化鋁、氧化鎂，結合劑為磷酸二氫銨，其900鍛燒后顯氣孔率增加，體積密度下降，耐壓強度降低，熱膨脹增大；氧化鋁系包埋料的骨料是氧化鋁和氧化鎂，結合劑為磷酸二氫銨，其900燒后顯氣孔率增加，體積密度下降，熱膨脹變化不大；氧化鎂系包埋料的骨料是氧化鎂和氧化鋁，結合劑是鋁酸鈣水泥，其900燒后耐壓強度明顯降低，熱膨脹明顯增大。The research of this text is about stopping " alkali - aggregate reaction ", reducing concretes exothermic peak, controling the internal concrete adiabatic storage and using the microexpansivity of magnesia to make up the shrinkage production in the later harden
本文從防止「堿集料反應」 、降低水泥水化放熱峰、控制混凝土內部絕熱溫升和利用mgo微膨脹補償水泥石硬化後期產生的收縮等方面進行研究與探討。It is indicated that the hydration process of cement - based materials with slag, fly ash and silica fume is different in some degree from that of neat cement because of the difference in mineral structure and hydration mechanism. the periods of accelerating, decelerating and terminating are prolonged and hydration reaction decelerates. the second peak of rate curve of the heat evolution could be divided into two small peaks, which are contributed to the hydration of clinkers and mineral mixtures at the temperature of 30 but when temperature comes to 50, the two small peaks combine into one and the reaction accelerates
結果表明，與硅酸鹽水泥相比，由於礦物摻合料與水泥熟料在活性和水化機理上的差異，水化歷程有較大的改變：多組分體系誘導期、加速期和衰減期延長，水化反應速率明顯降低；低溫時，水化放熱速率曲線上的第二放熱峰細化成分別對應于熟料和礦物摻合料水化的兩個小峰；高溫時，反應速率加快，雙峰合併；進一步研究發現，摻合料的種類與摻量對水化歷程也有較大的影響；建立了適用於多組分水泥基材料不同水化階段的水化動力學方程。As we all know, the hydration of concrete is a radiative process, which might lead to emergence of, cracks in the early age of concrete while the heat cumulated exhales. thus great disadvantage may be engendered as far as seepage prevention, erode resisting and the whole structure maintaining are concerned
因為水泥的水化作用是一個放熱的過程，它所產生的熱量在冷卻過程中可能導致早期混凝土中溫度裂縫的出現，這對水工結構的防滲、抗沖及保持結構的整體性是極為不利的。Methods for heat - measuring of mechanical cement shaft kilns
機械化水泥立窯熱工測量方法Mapping rheogram and analyzing thixotropy of fresh cement paste with different superplasticizers by measuring the rheologic parameters such as shearing stress 、 yield stress and plastic viscosity. using multi - channel isothermal calorimeter together with non - contacting electrical resistivity device, traditional hydration heat testingl and electrical resistivity testing were connected. using temperature - sensitive of traditional hydration heat model and structure - sensitive of structure formation model, instantaneous formation condition of paste structure was described exactly
`採用多通道等溫量熱儀以及無電極電阻率測定儀，將傳統的水化熱測試與電阻率測試結合起來，運用水化熱的熱敏感性與結構形成的結構敏感性，更加真實地描述了水泥漿體初始結構的瞬時形成狀態;系統全面地研究了高效減水劑對水泥水化過程的調控作用;運用微觀測試方法，深入探討了高效減水劑對水泥水化過程的影響。分享友人