過期水泥 的英文怎麼說

中文拼音 [guòqīshuǐní]
過期水泥 英文
aged cement
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 泥 : 泥名詞1 （含水的半固體狀的土） mud; mire 2 （像泥的東西） any paste like matter; mashed vegetable...
  • 過期 : exceed the time limit; be overdue; overdue; expire
  • 水泥 : cement; -lith
  1. The expansion agents can only make up the shrinkage to some extent, and the compensation effects would be reduced when the retardener and fly - ash are used. the expansion agents are not panaceas to avoid the shrinkage cracking as expansion can also reduce the concrete soundness. under bad curing condition, the polypropylene fibrillated film fiber can improve concrete ' s anti - crarking property, while the nominal steels have very unobvious effects. to reduce the concrete shrinkage thus avoid the cracking, the former factors must all be taken into account in concrete proportion design to develop sound concrete

    研究結果表明，水泥的品種和用量是影響混凝土收縮值的主要因素之一，當混凝土中水泥用量超過470kg / m ~ 3時，混凝土的收縮值超過400 10 ~ （ - 6 ） ，在約束狀態下存在高開裂風險；採用細砂使混凝土單位用水量顯著提高，收縮值也大幅增加；優質粉煤灰總體上能抑制混凝土的收縮，以超量方式摻入其抑制作用更加明顯，但粉煤灰混凝土早期的粘聚性較差，應注意養護，以免失水產生龜裂；早強減水劑和緩凝減水劑都會使混凝土收縮值增加；膨脹劑只能補償混凝土部分收縮，同時受緩凝劑和粉煤灰的抑制，而且膨脹使混凝土的體積安定性增加了不確定因素，膨脹劑不是解決混凝土收縮裂縫的良方。
  2. Factors which can accelerate the early hydration of cement, the setting in particular, such as excessively high c3a content, too low so3 content, high alkali content and the blending of pozzolana with large inner specific surface area, etc., will result in poor compatibility of the superplasticizer with cement

    凡是加速水泥初期水化的因素，特別是使水泥凝結加速的因素如c3a含量過高、 so3摻量過少、堿含量高以及摻入內比表面積大的火山灰質混合材等均使水泥與超塑化劑的相適應性變差。
  3. In this paper, the early hydration processes of cement pastes including various contents of coal stone were studied by alternating current impedance spectroscopy

    摘要採用交流阻抗譜方法對摻加不同量煤矸石的水泥漿體的早期水化過程進行了研究。
  4. 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。
  5. 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。
  6. In line with the theories of the present pavement designs, the cement concrete pavement, with normal performance in the structure of every layer, ideal interlayer contact as well as good designs and construction, will usually not break until a long time of use or the time designed

    按照現行路面設計理論，路面結構各層性能正常、層間界面接觸理想、設計和施工質量良好的水泥混凝土路面，一般要經過長期使用且達到其設計使用年限后才會開裂破壞。
  7. The pore of schsc is smaller and more homogeneous than that of nhsc. fourth, the contribution to concrete microstructure of the expanding agent is very little at early ages ; however it is obvious at late ages to a certain extent. fifth, for the contribution of the mixing content of fly ash is that the contribution to the degree of early age concrete hydration is obvious to some extent, and that the contribution to the shape of hydrate of concrete is obvious

    實驗研究表明:自密實混凝土由於粉煤灰的摻量較高，其早期的水化程度較低，但後期其細觀結構較普通混凝土好；自密實混凝土的骨料界面過渡區與水泥石的差別始終較普通混凝土小，其孔隙較普通混凝土小而均勻；膨脹劑對自密實混凝土早期的細觀結構影響不大，但對後期的細觀結構有一定影響；粉煤灰摻量對自密實混凝土的早期水化程度有一定影響，且其對自密實混凝土水化物的形態影響較大。
  8. By a great number of tests indoors, the theoretic analysis of microstructure and fracture mechanics, tests on the test - road, after the analysis of road - related performances of cement - bound crushed stones base and the study for improvement, the conclusion is put forward, that applying the cement fa - bound crushed stones base can obviously minish the maximal stress of asphalt pavement, lighten and stay cracks in the asphalt pavement effectively and economically so as to improve long - term performances of the structure of pavement

    通過大量室內試驗、微觀結構和斷裂力學理論分析，鋪築試驗路段現場檢測，分析水泥穩定級配碎石基層的路用結構性能，並研究其路用性能的改善措施，得出水泥粉煤灰穩定級配碎石基層可明顯減小瀝青面層的最大應力，經濟有效的減輕和延緩瀝青路面開裂，改善路面結構長期使用性能。
  9. Through the research and analysis on the three aspects concerning the base interface of the pavement panel, crack accumulation, expansion in the pavement panel and interaction between spring plates on the road surface as well as its damage on the road fatigue, it is first brought forth that the process of fissures and breakage in the cement concrete pavement can be divided into three stages, i. e. stage of initial crack formation and damage in the bottom of the pavement slab, stage of accumulation, intensifying & expansion in ruptures from load during the time of use and stage of fissures & breakage in the pavement

    通過對路面板底界面開裂、路面板中裂縫積聚、擴展和路面表面車板相互作用及其對路面疲勞破壞的影響等三個層面的研究和分析，首次提出水泥混凝土路面的開裂和破壞過程可以分為三個階段，即路面板底初始損傷西南交通大學博士研究生學位論文第11頁和早期裂縫的形成階段、使用期間荷載作用對路面造成的開裂損傷累計、加劇和裂縫擴展階段以及路面斷裂破壞階段。
  10. By means of comparative experiments, this paper illustrates the influences of different cements, admixtures of flash - setting agents, water cement ratios, curing temperatures and raw materials on the performances of sprayed concrete, such as the setting time, strength and shrinkage ratio, on different conditions of efflorescence and hydration, so as to present references with regularity for the practical application of sprayed concrete

    摘要通過對比試驗，闡明了不同水泥、不同速凝劑摻量、水灰比、養護溫度以及原材料在不同風化和水化程度條件下，對噴射混凝土凝結時間、強度、收縮率等性能的影響，以期為噴射混凝土的實際應用提供規律性的參考資料。
  11. By means of inquisition, the paper analyzes the causes of cement concrete pavement damage in earlier period, divides its damage into stages and analyzes the damage mechanism in theory, then puts forward relevant countermeasure for all stages. on base of these, by studying large quantity of experiments indoors combined testing road, the technique of pressing mortar under cement concrete plank and changing pavement plank, the material used to quickly repair pavement and system for draining off water are analyzed and researched in detail from principle to craft. at same tune, all kinds of repairing material and technique adaptable to cement concrete pavement are put forward

    本文通過對水泥混凝土路面破損的調查，分析了造成水泥混凝土路面早期破損的原因；劃分了水泥混凝土破壞階段，對不同階段的破壞機理進行了理論分析，並相應的提出了各階段的維修養護對策；在此基礎上，通過大量的室內試驗並結合試驗路的研究，重點對水泥混凝土板底壓漿技術、水泥混凝土路面的換板技術、水泥混凝土路面的快速修補材料以及對水泥混凝土路面的排水系統從技術、原理到材料工藝進行了詳細研究和理論分析，提出了適應各種水泥混凝土路面破壞的修補材料和修補技術；最後本文還對修築水泥混凝土路面提出了具有指導性的建議。
  12. 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。
  13. Some respects of self - compacting high - strength concrete ( schsc ) made of fujian province ' s local material have been studied in this thesis as follows : 1. studies on microstructure of the schsc. three different mixed schsc and one normal high - strength concrete ( nhsc ) were observed by the scanning electron microscope at different sites and different ages of 1 day, 3 days, 7 days, 28 days and 60 days. from the test, the effects due to no vibrating and admixture on the microstructure of schsc were studied

    通過四組強度等級相當，分別為普通混凝土、兩組不摻膨脹劑的自密實混凝土（其粉煤灰的摻量不同）和摻有膨脹劑的自密實混凝土，在同一養護齡期的條件下（ 1天、 3天、 7天、 28天和60天） ，分別選擇粗骨料過渡區、細骨料過渡區、水泥石和砂坑作為觀測點，採用sem進行細觀掃描對比實驗，以研究自密實混凝土因免振搗的特性及摻合料對其骨料界面和水泥石結構的影響。
  14. In the light of its special property being not easy to gain strength, through mechanics researches on different methods to stabilize this kind of low _ liquid _ limit silty soil as subbase material, evaluated both technically and economically, we have got a cement lime stabilization plan to meet the index requirements for non _ side _ limit strength of compression of subbase of class2 road stipulated in the specification ; by means of improving the workmanship, thickening the loose layer of soil, adding soil on covering weave fabric before compaction, such problems can be solved as very poor compaction, loose surface during compaction, roughness and unevenness, coats of layer and shear damages

    本文針對黃河沖積而成的低液限粉土其粘粒含量極低、土的不均勻系數很小、膠體活性差的工程特性，通過採用不同方法穩定該類土作底基層材料的力學性能研究，從技術、經濟角度綜合評價，得到滿足規范抗壓強度指標要求的水泥石灰穩定方案。通過對原材料、試驗配合比設計、施工、等方面進行優化，從而顯著減輕了基層的早期及長期縮裂程度，從而提高了路面的耐久性。
  15. The influences of the mixing amount of curing agent and curing age on the unconfined compression strength are discussed by determining the strength. by comparative study, it is concluded that the intensity of stabilized soil is the largest by using the stabilizer composed of 16 % cement mixing ratio and 40 % fly ash mixing amount, and it is reduced with growth of the water content of soft soil and is increased with growth of the cement mixing ratio and curing age

    通過測定水泥土及水泥-粉煤灰加固土的無側限抗壓強度，探討固化劑摻量、齡期對抗壓強度的影響；通過對比研究發現，當水泥摻入比為16 ，粉煤灰摻入量為水泥重的40時，加固土的強度最大，並且強度隨著軟土含水量的增加而降低，隨著水泥摻入比、養護齡期的增長，水泥土及水泥-粉煤灰加固土的抗壓強度也隨之增加。
  16. The author excogitated a kind of appropriative mud jacking material which is made up of cement, sand, fly ash, admixture and water. this material which was developed on the basis of large amount of tests has the proprieties of good self - flowing density, high earlier strength, non - segregation, non - weepage and non - contractility. especially, the author aim at dealing with pumping mud and earlier maintained developed a kind of high flow grade material which can meet the requirement of mud jacking

    本文研製了專用壓漿材料，採用水泥、砂、粉煤灰、外加劑和水混拌而成，通過大量實驗配製出的漿液具有自流淌密實性好、早期強度高、無離析、無泌水、無收縮的性能，特別是針對路面唧泥處理或預防性養護，板底脫空量較小，研製出高流動度材料，能滿足壓漿施工的需要。
  17. This text primarily discussed the test method that adapt to the specification and ability of cement - emulsified asphalt concrete, it recommended the test method and adding in proper order that the fit admixtrue corrects mstthus test furtherly, then, it brought up the best match of cement - emulsified asphalt concrete through the test, and explained the influence of heat stability with earlier period strength when adding a certain rate of cement into emulsified asphalt concrete, finally studied fisrt the strength of that material to become the principle with technique economy analysis

    本文主要是先討論了適合水泥乳化瀝青混凝土材料性能特點的實驗方法，推薦了合適混合料進一步修正馬歇爾實驗的測試方法及加料順序，然後，通過該實驗提出了水泥乳化瀝青的最佳配合比，並說明了在乳化瀝青混合料中加入一定比例水泥后對乳化瀝青混合料高溫穩定性和早期強度的影響，同時對一段舊路進行補強，摸索了該用材料施工路面的過程及方法，最後初步探討了該材料的強度形成機理和技術經濟分析。
  18. Through many project applications and long - term performance testing, it is proved that the polymer cement mortar is one kind of ideal concrete patching and shielding material

    經過多年工程應用和長期性能測試表明，聚合物水泥砂漿是一種理想的混凝土修補防護材料。
  19. Meanwhile, owing to its features such as high cost for maintenance, severe traffic interference during maintenance, and difficulty in maintenance of what is damaged, it is a problem deserving immediate solution in present - day projects to know the fissure mechanism and breaking process of the cement concrete and improve its anti - fissure performance

    同時，水泥混凝土路面的維修成本高，養生時間長，維修期間交通干擾嚴重，一旦破壞就很難修復。因而，認清水泥混凝土路面的開裂機理和破壞過程，提高其抗裂性能，是當今工程界迫切需要解決的問題。
  20. The action mechanism, construction technology of deep cement mixing pile and inspection for the project as well as the advantage of using deep cement mixing method to consolidate soft soil foundation were expounded in the paper by the actural example of the coal yard expended southward of no. 1 and no. 2 berths of the phase two project, beilun

    通過北侖港區二期1 、 2泊位煤炭堆場南延工程實例，闡述了深層水泥攪拌樁的作用機理、施工工藝、工程檢驗以及應用深層水泥攪拌樁加固軟土地基的優點。
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