cement concrete 中文意思是什麼

cement concrete 解釋
水泥混凝土
  • cement : n 1 水泥。2 膠泥;膠合劑,接合劑,膠;【醫學】(牙科等用的)黏固粉。3 【解剖學】(牙齒的)白堊質...
  • 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. The result of experiment shows that und er the conditions of proper ai r - entraining, concrete with 20 % fly ash has excellent frost - resistance. the frost - resistance of concrete with 55 % fly - ash which is admixed with united expansive agent ( uea ) has been improved greatly. the frost - resistance of sulfate aluminate cement concrete with high volume of fly - ash is dramatically lower than that of silicate cement concrete with the same volume of fly - ash

    試驗結果表明:粉煤灰摻量為20的混凝土在適量引氣的條件下具有良好的抗鹽凍性能;粉煤灰摻量為55的混凝土在摻加uea膨脹劑后其抗鹽凍性能有明顯改善;大摻量粉煤灰硫鋁酸鹽水泥混凝土的抗鹽凍性大大低於同摻量的硅酸鹽水泥混凝土。
  2. If magnitude of expansive stress caused by adscititious magnesia is too large, or its distribution is not uniform, it trends to damage the structure of cement concrete, and then affect seriously dam durability

    如果氧化鎂混凝土膨脹量過大或不均,都將破壞水泥混凝土結構,影響耐久性,甚至局部崩裂造成安全事故。
  3. The separate addition of micro - silica, ultra - fined slag, high quality fly ash can improve the cement concrete ' s anti - chloride permeability. the result is micro - silica grater than slag grater than fly ash, and the greater the amount that added the greater the improvement is

    5 x而水化產物對氯離于的固化主要為水化氯鋁酸鈣( friedel鹽)生成及c s h凝膠體的層間物理化學吸附作用。
  4. 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 。
  5. Specially, the axial tensile strength of the interface of the new and old concrete has reached above 2. 40mpa, greatly surpassing the preconcert goal ( > 1. 0mpa ), and its flexural strength also above 5. 80mpa, having surpassed the preconcert target and the standard request ( 4. 50mpa ). ( 2 ) after hardening 4h and 8h the compressive strength of the patched concrete is bigger than 20 mpa, which can satisfy the request of fast patching. ( 3 ) the ych color material, which is mixed into rapid sulfoaluminate cement - concrete patching material, can take better effect and avoid chromatism on the appearance of new - old concrete

    特別是新老混凝土界面的軸向抗拉強度已達2 . 40mpa以上,大大超過原定目標(大於1 . 0mpa ) ,其界面抗折強度也在5 . 80mpa以上,也已超過原定指標及規范要求(大於或等於4 . 50mpa ) ; ( 2 )修補混凝土硬化后4h 、 8h抗壓強度大於20mpa ,能滿足快速修補的要求; ( 3 )在快硬硫鋁酸鹽水泥混凝土修補材料中摻入自配的ych調色材料,能較好地起到調色作用,避免新老混凝土表面色差。
  6. The paper is based on the construction of the express - highway between yiyang and changde in hunan province, aiming at enhancing the serviceability of cement concrete pavement, probing into the structural assemblage of the cement concrete pavement, the roadway drainage system, contraction joint with the dowel bar and precaution of bumping at the end of the abutment. it presents some achievements of the research, including more reasonable structural assemblage and roadway drainage system, the method of setting dowelled bar in contraction joint, putting forward the concept of stage - transition from rigid to flexile behind abutment

    本文以湖南省益陽至常德高速公路項目為依託,以提高水泥混凝土路面使用性能為目標,就水泥混凝土路面結構組合、路面排水系統、縮縫設置傳力桿、橋頭跳車問題的防治等方面開展研究和工程實踐,取得了豐富的研究成果,如研究採用了更合理的路面結構組合,設置了較完善的路面排水系統,在國內高速公路上率先全面採用縮縫加傳力桿技術,對所有橋涵構造物臺背全部採用剛柔過渡技術處理橋頭跳車問題等。
  7. The frequency curve of transverse distribution of the wheel track on divided ways reveals that the frazzled damage of highly channelizing expressway cement concrete pavement largely occurs in the peak range of distribution curve of the wheel track

    摘要分車道行駛輪跡橫向分佈頻率曲線顯示,渠化程度較高的高速公路水泥混凝土路面磨損破壞主要集中在行車道輪跡峰值范圍。
  8. Technology of old cement concrete pavement broken and stable in motorway ' s heavy repair

    高速公路大修工程中舊水泥混凝土路面破碎穩固技術的應用
  9. To comply with monitor and inspection of the quarterly, half yearly, and yearly inspection and remedy of rooftop, roof space, deck, ground, basement, down pipe, sanitary pipe, air vent, cement & concrete, structural, foundation, beams, ironmongery and all related

    對屋頂,地板,地下室,下水道,排水管,排氣口,水泥和混凝土,地基等相關的結構設備進行每季度,每半年,每年的檢查和修理。
  10. The paper is based on innumerable practical heavy - load road data, deliberate heavy - load standard in detail through theoretical arithmetic, and bring heavy - load standard about cement concrete pavement and asphalt concrete pavement separately ; in the meantime, through a large quantity of cement concrete pavement stress calculation, the paper puts forward relation expression between load on concrete board and stress level under board ; meanwhile, the paper puts forward traffic classification about cement concrete pavement and asphalt concrete pavement ; through bearing board testing on each structure sheaf the paper finds the material modulus gets modified ; through comparing position equivalent rebound modulus to theoretical equivalent rebound modulus, the paper points out limitation of nomograph in course of cement concrete pavement design, whereby, puts forward modifier formulas about theoretical equivalent modulus

    本文以大量的重載道路資料為主,從實際出發,結合理論計算,對重載標準進行了詳細的討論,分別給出了水泥混凝土路面與瀝青混凝土路面的重載標準了;同時,通過大量的水泥混凝土板底應力計算,推導出了混凝土面板荷載與板底應力水平的關系式;給出了水泥混凝土路面與瀝青混凝土路面的交通分級;通過對試驗路各結構層進行承載板測試,發現現有材料模量較以前有了明顯的提高;對比現場實測的當量回彈模量與理論當量回彈模量,指出現有水泥路面設計中的諾謨圖不能完全符合現有道路材料,從而提出了對理論模量的修正公式。
  11. Construction techniques of track - paver for cement concrete road

    水泥混凝土路面軌道式攤鋪機施工技術
  12. The cement - concrete road paver and it ' s craft work of the construction

    滑模式水泥混凝土攤鋪機及其施工工藝
  13. Lastly, with the fatigue equation, the paper establishes the fatigue stress coefficient which is used in the load stress calculation for lean concrete as undersurface of cement concrete pavement, and the structure coefficient of flexural tensile strength which is used in the flexural stress check for lean concrete as base of asphalt pavement

    利用得出的疲勞方程,建立貧混凝土作為水泥混凝土路面下面層荷載應力計算的疲勞應力系數,以及作為瀝青路面基層時,進行層底彎拉應力驗算的彎拉強度結構系數。
  14. Abstract : the result of experiment shows that und er the conditions of proper ai r - entraining, concrete with 20 % fly ash has excellent frost - resistance. the frost - resistance of concrete with 55 % fly - ash which is admixed with united expansive agent ( uea ) has been improved greatly. the frost - resistance of sulfate aluminate cement concrete with high volume of fly - ash is dramatically lower than that of silicate cement concrete with the same volume of fly - ash

    文摘:試驗結果表明:粉煤灰摻量為20的混凝土在適量引氣的條件下具有良好的抗鹽凍性能;粉煤灰摻量為55的混凝土在摻加uea膨脹劑后其抗鹽凍性能有明顯改善;大摻量粉煤灰硫鋁酸鹽水泥混凝土的抗鹽凍性大大低於同摻量的硅酸鹽水泥混凝土。
  15. Standard specification for backer material for use with cold - and hot - applied joint sealants in portland - cement concrete and asphalt joints

    硅酸鹽水泥混凝土和地瀝青接頭加熱和製冷接縫密封膠襯墊材料的標準規范
  16. According to the pavement structure dynamical analyze theory, the principle and process of the pavement modulus back - calculation have been discussed. the appliance ideas of the dynamical modulus among the pavement evaluation, the dynamical characteristic and correlative dynamical parameters of the cement concrete pavement surface, basement and subsoil have been investigated, and the contrast relationships between dynamical and static modulus of the cement concrete pavement have been established, and the evaluation standard of the structure layers " dynamical modulus of the cement concrete pavement has also been presented

    根據路面結構動力分析理論,對路面模量反算的原理及實現過程進行論述,研討了動態模量在路面評價中的應用思想及水泥混凝土路面面層、基層、土基的動態特性和相關的動力參數,建立了水泥混凝土路面動態模量與靜態模量的對比關系,提出了水泥混凝土路面各結構層動態模量的評價標準。
  17. Abstract : based on the indoor test results of the base bedding course materials for cement concrete pavement and prevalent actural calculation approach of the prevalent norms, and according to the different compositions in changtan expressway and in consideration of the experiences gained in the central and southern region, a typical structure legend for cement concrete pavement which is suitable for areas damp and with plenty of rainfall the typical structure and guideline for the use of the typical structure legend are presented in this paper

    文摘:通過對南方多雨地區目前常用的水泥混凝土路面基墊層材料的室內試驗,依據現行規范的結構計算方法,進行不同結構組合驗算與長潭高速公路試驗路段現場檢測,並參考中南地區使用經驗,提出了適應多雨潮濕地區水泥混凝土路面典型結構圖例,論述了運用典型結構圖例的原則及指南。
  18. Through analyzing the 324 highway ' s partial cement concrete road surface, sloping slurry, escapes spatial, bridge head jumps off, roadbed subsidence and so on, the grouting technology is proposed

    摘要分析某國道路段部分水泥混凝土路面斷板、唧泥、脫空、破碎及橋頭跳車、路基沉降等主要病害,提出採用灌漿技術來解決。
  19. Quality control during cement concrete curb construction for common highway

    普通公路水泥混凝土路緣石施工質量控制
  20. Consequence analysis of smoothness to cement concrete pavement ' s fatigue failure

    平整度對水泥砼路面疲勞壽命的影響分析
分享友人