high temperature concrete 中文意思是什麼

high temperature concrete 解釋
高溫混凝土
  • high : adj 1 高的〈指物，形容人的身高用 tall〉；高處的；高地的。2 高級的，高等的，高位的，重要的。3 高尚...
  • temperature : n. 1. 溫度，氣溫。2. 體溫。3. 〈口語〉發燒，高燒。
  • concrete : adj 1 具體的，有形的；實在的，實際的。2 固結成的，混凝土製的。3 圖案詩歌的（參閱concrete poetry）...
  1. It focuses on the theory of the mineral functional materials " improving the anti - chloride permeability and the chloride binding. the main achievements of this article include : 1 ) use the technology of xrd, sem, bet, laser particle size distributor etc to test the component, the construction, particle size distributor, specific surface etc of micro - silica, ultra - fined slag, high quality fly ash, meta - kaolin clay, four types of the mineral functional material, theoretically analysis the functions which the four mineral functional minerals act on cement concrete, namely pozzolanicity effect, filling effect, micro - aggregate effect, surface adsorption effect and so bring into play the affect of plastification, lowing of temperature, reinforcement, improvement of durability. base on this analysis we can conclude that the proper diameter of the mineral functional material is 5 m - 15 m, that is blain fineness 4500cm2 / g - 7500cm2 / g

    本論文的主要成果包括以下幾個方面： （ 1 ）採用xrd 、 sem 、 bet 、激光粒度分析儀等多種測試手段，探明了以硅灰，超細磨粒化高爐礦渣，優質粉煤灰及偏高嶺土超細粉等4種超細礦物功能材料的組成、結構、粒度分佈、比表面積等基本性質；從理論上分析了礦物功能材料在混凝土中的4種效應，即火山灰效應、填充密實效應、微集料效應、表面吸附效應，並由此發揮出增塑、溫峰削減（降熱） ，增強及耐久性改善等作用；通過相關理論分析，推導出礦物功能材料的合理粒徑范圍在5 m 15 m ，即勃氏比表面積為4500cm ~ 2 g 7500cm ~ 2 g 。
  2. Based on the simulation model theory of temperature and stress fields presented in this article, a large simulating program for high rccd has been developed, which can numerically simulate all kinds of temperature control measures, including water pipe cooling, heat insulating in winter, reducing place temperature of concrete, spraying water brume, and long interval over - watering surfaces overflowing in flood season.

    基於本文提出的溫度場和徐變應力場模擬模型理論，編制了高碾壓混凝土壩的三維有限元模擬計算程序，在程序中考慮了各種溫控措施的數值模擬，包括：水管冷卻、冬季保溫、降低混凝土的澆築溫度、夏季混凝土表面噴水霧、施工汛期壩頂面過水等。
  3. This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway

    負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異，因此表現為比普通混凝土更為較高的耐久性要求；負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能，才能夠滿足工程實際應用的要求，這也是負溫混凝土必須解決的兩大技術關鍵；通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討，採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線，通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ；並在此基礎上配製不同等級負溫高性能混凝土，開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究；通過對fd - 1組分和摻量的調整，優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。
  4. Abstract : based on the fundamental principle of hypothesis strain equivalence, itwas investigated a physical concept of high strength concrete at minus temperature ( hscmt ) freezing damage parameter, the elastic modulus of frost concrete with anti freeziug admixture and without antifreezing admixture built and it was analyzed their variate process and the condition adaptated. it is purpose to judge hscmt frost failure process

    文摘:從應變等效性假說的基本原理出發，研究了負溫混凝土凍結損傷參數? ?彈性模量法中受凍后測試的損傷混凝土彈性模量的物理概念，從而分析了摻防凍劑混凝土及不摻防凍劑混凝土受凍后的彈性模量變化過程及其選用該參數的適應性條件，為判斷負溫高強混凝土材料凍結失效過程提供保證。
  5. The main content is : splitting tensile experiments were carried out about the standardized cube bonding specimens ( 150x 150x 150mm3 ) of the new - old concrete after high temperature. the temperature is divided into 9 groups from normal atmospheric temperature to 900, the cooling styles are natural cooling and spraying water cooling ; different interfacial treating methods : brushed with steel - wire brush, man - made chiseling ( not evenly ), man - made chiseling ( quite evenly ) ; different interfacial agents : no interfacial agent, neat cement paste, cement paste mixed with 10 % expanding agent

    主要內容有：本文對75個高溫作用后的標準立方體新老混凝土粘結試件進行了劈拉試驗，溫度從常溫到900c分9個溫度段，降溫方式分自然冷卻和噴水冷卻兩種。著重考察了溫度、降溫方式、界面粗糙度及界面劑對新老混凝土粘結劈拉強度的影響規律，闡述了高溫后粘結強度下降的機理。
  6. The cement concrete pavement, as one of the high - grade pavement structures, has been widely used because of such advantages as high strength, good stability, great durability, high temperature stability, abrasive hardness and low cost of maintenance

    水泥混凝土路面作為一種高級路面結構形式，以其強度高、穩定性和耐久性好、耐高溫、耐磨耗以及養護費用少等優點而得到了廣泛的應用。
  7. The parameters in the study included the fire duration time, the axial load level, the section type and the strengthen method. the ultimate lateral strength, flexural stiffness, dissipated energy and ductility of the columns were compared and analyzed. ( 2 ) based on the stress - strain relations for steel and concrete after high temperature and the temperature field in the structural member, fiber - based model was developed to calculate the hysteretic moment ( m ) versus curvature ( ) relations and the lateral load ( p ) versus lateral displacement ( ? )

    （ 2 ）在確定高溫后鋼材和混凝土在往復荷載作用下的應力-應變關系以及構件截面溫度場的基礎上，考慮力-溫度-時間作用路徑，建立了火災后鋼管混凝土壓彎構件滯回性能的理論分析模型，對火災后鋼管混凝土構件的彎矩-曲率（ m - ） 、荷載-變形（ p - ）滯回關系曲線進行了分析，計算結果與實驗結果總體上吻合較好。
  8. By the research on the raw materials, the mix proportion, the concrete temperature control in outlet, in transport and in placement, the cure and the post - cooling water, the synthetic measures for rcc dam construction in high temperature and the enforcement methods on basis of the computation and experience of jinghong hydropower station are presented in this paper

    本文通過對原材料及配合比、混凝土出機口溫度控制、運輸過程溫度控制、澆築過程的溫度控制以及混凝土澆筑後的養護和冷卻通水等一系列研究，提出景洪電站高氣溫條件下大壩碾壓混凝土連續施工的綜合措施，並在計算和已有經驗的基礎上給出具體實施方法。
  9. The crux of the reinforcement of the concrete structure is the bond behavior of the cohering face of the new - old concrete. the bond behavior of the cohering face under normal atmospheric temperature has been studied deeply and has more conclusions. what will happen about the bond behavior of the cohering face of the new - old concrete after high temperature ( e. g

    利用混凝土進行補強加固的關鍵在於新老混凝土粘結面的粘結性能，粘結面在常溫下的粘結性能已有較多較深入的研究和結論，而對于補強加固的混凝土建築物在受到高溫（例如火災）后其新老混凝土粘結面的粘結性能有何變化
  10. Abstract : the relationships between the residual strength of the tunnellining damage due to high temperature and ultrasonic velocity were studied on the basis of the experiments on the concrete and members of the tunnel the tunnel damaged by fire were discussed

    文摘:在對隧道襯砌混凝土和構件進行實際燒損試驗基礎上，探討了襯砌在高溫作用后殘余強度與超聲波速之間的關系，以及超聲檢測技術用於測試隧道火災損傷的適用性和和可靠性。
  11. In this thesis, the experimental research of the behavior of high strength concrete axial compression columns and eccentric compression columns under non - uniform temperature field are conducted. from the experimental analysis, the variational regularity of ultimate load capacity and deformation of high strength concrete compression - flexure members under non - uniform temperature field is obtained. the influences of different factors including temperature, stirrup contents, strength grade of concrete, pre - loading level, eccentricity and different loading - temperature paths to refractory capability of members are investigated

    文中還對高強混凝土軸心受壓柱和偏心受壓柱在不均勻溫度場下的力學性能進行了試驗研究，通過試驗分析了高強混凝土壓彎構件極限承載力和變形在不均勻溫度場下的變化規律，考察了不同升溫溫度、箍筋用量、混凝土強度等級、預加荷載水平、荷載偏心以及荷載?溫度途徑等對構件耐火性能的影響，通過試驗量測，得到了構件的截面溫度場。
  12. In this article, high performance concrete applied to some thin wall pilla structure was worked out successfully in the west of china with big temperature gap by a large number of experiments, in order to improve cracking resistence and optimize mix of concrete, which will be helpful in improving concrete construction

    通過大量試驗，以混凝土抗裂性能為評價指標，優化混凝土配合比組成，成功配製出了適用於西部大溫差地區某橋梁薄壁墩結構的高性能混凝土，為混凝土施工提供了有力的保障。
  13. Experimental research on bond splitting tensile strength of new - old concrete after high temperature

    混凝土高溫后進行粘結劈拉強度試驗研究
  14. The assumption about deformation character and constitutional relationship of high strength concrete and reinforcement under elevated temperature is proposed making use of the general regularity of high strength concrete compression - flexure member. the ultimate load capacity and deformation of high strength concrete compression - flexure members under elevated temperature are analyzed by means of full - range and non - linear analysis method. the computing results and test data are in good agreement

    根據高溫時高強混凝土壓彎構件的一般規律，給出了高溫時高強混凝土和鋼筋變形特徵的假設和本構關系，利用全過程非線性分析方法分析了高溫時高強混凝土壓彎構件的極限承載力和變形，計算結果與試驗結果吻合較好。
  15. The paper through making marshall and the wheel rut test sample joining the fiber in the asphalt concrete, carries on a series of experiments and studied the asphalt concrete to mix the textile fiber by the marshall stability, the water stability, the high temperature stability, the low temperature crack resistance energy, and carries on the contrast analysis to the ordinary dense gradation asphalt concrete of the performance

    摘要通過將纖維加人瀝青混凝土中製成馬歇爾和車轍試件，進行一系列的試驗，研究瀝青混凝土摻纖維后的馬歇爾穩定度、水穩定性、高溫穩定性、低溫抗裂性能，並與普通密級配瀝青混凝土進行路用性能的對比分析。
  16. Simplified calculation of reinforced concrete slab at high temperature

    火災影響下鋼筋混凝土單向板的計算方法
  17. The study aimed at the cohering face of concrete after high temperature is little. only did the da lian university of science and engineering carried out the study of the bond property of the new - old concrete after 200 in 1999. in this paper, we use the basic mechanical index - splitting tensile strength to judge the mechanical property of the cohering face of the new - old concrete

    本文的研究工作近年來國內外進行了大量高溫下混凝土材料受力性能的試驗研究和理論分析，但大都是針對混凝土本身，而對混凝土粘結面受高溫影響的研究甚少，只有大連理工大學在1999年作了200c后新老混凝土粘結性能的研究。
  18. As a result of water evaporation and moisture transfer, the heat transfer within reinforced concrete members subject to fire ( under high temperature ) will be affected, so as to induce the variation of local temperature distribution

    摘要火災（高溫）條件下，鋼筋混凝土構件中水分的英發遷移會改變構件內部的傳熱過程，導致溫升及局部溫度分佈發生變化。
  19. Research on reinforced concrete materials after high temperature

    高溫后鋼筋混凝土材料性能的研究
  20. For this reason, limiting the tightening times has been put forward, and concrete measures for preventing failure of high temperature bolts, such as ultrasonic detection and surface inspection etc., being strengthened

    對此，提出了限制運行周期和緊固次數，加強對螺栓超聲波探傷和表面探傷等防止高溫螺栓失效的具體措施。
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