hydration heat 中文意思是什麼

hydration heat 解釋
水合熱。

  • hydration : n. 【化學】水合（作用）。
  • heat : n 1 熱；熱力；熱度；熱量。2 體溫；發燒。3 （氣候的）高溫，暑氣。4 【冶金】熔煉的爐次；裝爐量；一...
  1. At the same time, the problem from the concrete cracking is effectively solved through the measures such as enhancing the quality of the excavated surface, adjusting the admixing ratio of fly - ash in the concrete, and lowering the temperature rise of the hydration heat

    同時通過提高開挖表面質量，以及調整粉煤灰摻量以降低水化熱溫升等措施，有效地解決了混凝土裂縫問題。
  2. 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。
  3. Analysis of hydration heat and crack - resistance of high micro - slag in mass concrete

    微礦粉在大體積混凝土中水化熱及抗裂分析
  4. Experimental study on low hydration heat high strength and high performance concrete and its application

    低水化熱高強高性能混凝土試驗與應用
  5. The analysis on the models of cement hydration indicated that the compound exponent model is the appropriate one compared with other models of cement hydration heat

    對混凝土水化熱的計算模型分析表明，復合指數式較為合理。
  6. At first the finite element theory for temperature analysis is introduced, and then mainly discussed the calculation models of cement hydration heat and the boundary condition under sun radiation

    首先對這一方法的基本原理進行了簡要的介紹，著重探討了計算中的水化熱計算模型、日照邊界條件處理等。
  7. By means of analyzing the measured data of deformation and temperature inside the structure, the laws of deformation and temperature of the sfrc structure under the influences of early hydration heat and outside temperature were found

    通過實測結構內部溫度及其變形，給出了鋼纖維混凝土在早期水化熱及外界溫度影響下的溫度及變形規律。
  8. 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。
  9. 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。
  10. The temperature rise at the center of a massive concrete wall is calculated by using the adiabatic rise of temperature and heat conduction equations of concrete based on the equivalent time, and considering effects of temperature on the hydration heat reaction ratio and creep characteristics of early - age concrete

    摘要基於等效時間的混凝土絕熱溫升、熱傳導方程，考慮溫度對早期混凝土水化熱化學反應速率和徐變特性的影響，計算了大體積混凝土墻中心的溫升。
  11. This paper establishes a model simulating dam actual placing process and considering the non - continuity of initial temperature on the boundary of new and old concrete, daily air temperature change, concrete - placing temperature, hydration heat, heat insulation on boundary, water - storing process, placing intermission and curing with water. the calculation of stress field considers the concrete weight, static water pressure, thermal stress, different autogenous volume change between rcc and normal concrete, change of elastic modulus of concrete with age and creep action

    考慮了乞今最為全面的初始條件和邊界條件，包括模擬壩體的實際升程過程，考慮了新老混凝土接觸面上的初始溫度不連續，逐日的氣溫變化，混凝土的入倉溫度，水化熱溫升，邊界保溫，水庫蓄水過程，澆築間歇以及灑水養生等因素；應力場的計算考慮了混凝土的自重，靜水壓力，溫度應力，常態混凝土與碾壓混凝土不同的自生體積變形，混凝土的彈性模量隨齡期的變化以及徐變的作用。
  12. 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。
  13. In order to simulate the construction process and the effect of concrete pouring temperature and outside temperature on temperature field and thermal stress field in the dam, temperature field and thermal stress field are calculated layer by layer. the calculation step during construction is 0. 25 day, and during operation the diffusion of hydration heat of concrete is over and elastic modulus is basically stable, changeable step is used

    為了研究施工進度、混凝土澆築溫度、外界溫度對壩體溫度場和應力場的影響，按碾壓混凝土施工方法每澆築一層（層厚0 . 3m ，澆築時間6小時）計算一次溫度場和應力場，這樣，施工期計算步長為0 . 25天，運行期因混凝土水化發熱已結束，且彈模基本穩定，故採用變步長計算。
  14. Abstract : during construction of the capital international airport ' s garage building project, the c50 and over c60 high performance concrete has been adopted for its construction. for the aim of 1, to get a maximum reduction of cement comsumption 2, to lower the concrete ' s hydration heat 3, to reduce concrete ' s shrinkage and cracks, and 4, to promote concrete ' s performance, a high quality chilled blast furnace superfine slag has been adopted as an admixture. furthermore, the adoption of some other minerals as the admixtures to get a high performance concrete has been carried out. as a result, these procedures and operations would have developed considerably the potential activity of concrete, and eventually the multiple performance and multiple function of concrete would have been improved and promoted. in conclusion a good result has been achieved in practice

    文摘:首都國際機場停車樓工程中，採用c50及c60以上高性能混凝土，為最大限度減少水泥用量，降低水化熱，減少收縮與裂縫，提高混凝土的性能，優選了有效成分含量高、質量好的水淬高爐礦渣磨細后單獨摻用，或再與其他礦物組分復合作為高性能混凝土的摻合料，以充分發揮礦渣的潛在活性，從而使混凝土的多項性能得到極大的改善和提高，並在實際應用中取得了良好的效果。
  15. During construction of the capital international airport ' s garage building project, the c50 and over c60 high performance concrete has been adopted for its construction. for the aim of 1, to get a maximum reduction of cement comsumption 2, to lower the concrete ' s hydration heat 3, to reduce concrete ' s shrinkage and cracks, and 4, to promote concrete ' s performance, a high quality chilled blast furnace superfine slag has been adopted as an admixture. furthermore, the adoption of some other minerals as the admixtures to get a high performance concrete has been carried out. as a result, these procedures and operations would have developed considerably the potential activity of concrete, and eventually the multiple performance and multiple function of concrete would have been improved and promoted. in conclusion a good result has been achieved in practice

    首都國際機場停車樓工程中，採用c50及c60以上高性能混凝土，為最大限度減少水泥用量，降低水化熱，減少收縮與裂縫，提高混凝土的性能，優選了有效成分含量高、質量好的水淬高爐礦渣磨細后單獨摻用，或再與其他礦物組分復合作為高性能混凝土的摻合料，以充分發揮礦渣的潛在活性，從而使混凝土的多項性能得到極大的改善和提高，並在實際應用中取得了良好的效果。
  16. So it is quite important for sfrc to be used in those essential parts, such as the vicinity of frame column or shear wall in basement. the sfrc greatly improves the punching shear carrying capacity in raft foundation, or reduces the thickness of raft foundation in the same load. this in turn offers convenience in construction, reduces hydration heat in concrete and saves investments

    因此，將鋼纖維混凝土用於特別需要的那些部位顯得尤為重要，比如用於筏形基礎的框架柱或剪力墻附近，大大提高基礎的抗沖切承載力，在荷載一定的條件下可減小筏板的厚度，將會給施工帶來方便，減少水化熱，節約建設投資。
  17. 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。
  18. 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。
  19. Under the influences of random variabilities, during both construction period and operation period, the temperature field within a gravity dam body could be regarded as a random one. in this paper, stochastic finite element methods are suggested to deal with the random temperature field. by use of the suggested methods, the influences of random environmental and random hydration heat of concrete and the initial temperature of concrete as well as the thermal parameters of both concrete and rock foundation are all taken into account. according to a scheduled time table of construction, random temperature fields of a typical concrete gravity dam within both the construction period and the operation period are calculated by emulation the layer constructing of the dam. some useful conclusions are obtained from the computational results

    由於施工期和運行期各種隨機因素的影響，使重力壩溫度場成為隨機.本文綜合考慮了環境溫度（包括氣溫和庫水溫度） 、混凝土絕熱溫升、入倉溫度以及混凝土和基巖的熱學參數隨機性的影響，基於隨機有限元法，給出了重力壩隨機溫度場的計算方法，對一典型重力壩按給定的施工進度模擬分層澆築施工過程，對施工期及運行期前期的隨機溫度場進行了計算，並得出了一些有益的結論
  20. In this paper, a 3d finite element analysis software ( fzfx3d ) was compiled to simulate the construction process of mass concrete structures constructed with sequence method. based on the practical project xiluodu arch dam, the dam ' s construction process was simulated by a small time step size, 0. 5 or 1 days. the environmental temperature change, hydration heat rise, artificial cooling, creep, volume deformatio

    運用laplace變換方法將溫度的求解表示為只與空間坐標及澆築時間有關的函數，從而避免了用隱式差分法、有限元法求解時需求解聯立方程的因而對測點選擇的依賴，也避免了顯式差分法求解穩定性受時間步長，測點間距大小限制的缺點，因而具有測點布置靈活的特點。
分享友人
分享到 Line

分享到臉書