water cement ratio of concrete 中文意思是什麼

water cement ratio of concrete 解釋
混凝土水灰比
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  • 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...
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  • of : OF ＝Old French 古法語。
  • 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. High water - cement ratio during construction and low water - cement ratio during solidification are realized by using electroosmosis technology to change the process of concrete construction

    採用電滲濾水施工技術，滿足了混凝土大水灰比施工、小水灰比固化的要求。
  2. In this paper, the effects of fly ash, cement, lime, fine sands, foam agent, w / c ratio and additional agent on foamed concrete were studied by experiments, the best combination ratio of fly ash foamed concrete whose density varies from 551kg / m3 to 650kg / m3 was obtained through orthogonal test design, the foam agent quantity and the fly ash quantity effect the fly ash foamed concrete greatly, so the author selected them as independents to establish duality linear regression equations, the equations were quite ideal through the test of model summary r. moreover, the author also did some experiments about the water resistance of magnesium oxychloride cement fly ash foamed concrete, the outcome showed that phosphoric acid has good effect on water resistance, and its appropriate quantity was found

    本文通過試驗研究了粉煤灰、水泥、石灰、細砂、發泡液、水灰比及外加劑對粉煤灰發泡混凝土性能的影響，採用正交設計試驗方法得出了600級粉煤灰發泡混凝土的最佳配合比，同時發現發泡液和粉煤灰摻量對發泡混凝土的影響最為顯著，因此，以二者為自變量建立了二元線性回歸方程，通過全相關系數的檢驗發現方程較為理想。此外，還對氯氧鎂水泥基粉煤灰發泡混凝土的耐水性進行了相關實驗，發現磷酸有較好的耐水性效果，同時找到了其合適的摻量范圍。
  3. Here the hsc of sompa is achieved through adding super - effective water reducer, fined slag and silicon fume, and decreasing the water / cement ratio. by varying the area ( spacing ) of tension bars, compressive bars, vertical links and distribution steel and embedding steel fiber and polypropylene fiber we try to improve the behaviors of reinforced high performance concrete one - way spanning slabs in bending, so that its ductility be greater than 5. with the same arrangement of steel the width of bending member is varied to observe the effect of the width / depth ratio on the ultimate compressive strain of concrete

    通過變化受拉筋含筋率和受壓筋、箍筋（鉤筋、分佈筋）含量，或摻加纖維使之成為鋼纖維高強混凝土（ sfrhsc ）和聚丙烯纖維高強混凝土（ pfrhsc ） ，對高強混凝土雙筋截面梁、板的受彎性能進行了試驗研究，試圖改善高強混凝土受彎構件的延性，使其延性比大於5 ；並在相同配筋情況下，通過變化截面寬度，研究了高強混凝土受彎構件的寬高比對壓區混凝土極限應變的影響；並對試驗構件的裂縫發展情況進行了觀測。
  4. Inorganic anti - cracking reinforced chemical additive, called wj, generates some tittle expansive crystals in hydration process in concrete to reduce the porosity and improve the distribution of pore size. the expansive power is process in common to tumefaction that petty crystalloid aft suck water and pressure to concrete pores that aft crystal gather volume. its adding weight was 8 % - - 12 % in cement, its restrained expansive ratio was about 0. 02 % - - 0. 06 %, and relevantil brought self - stress 0. 2mpa ?. 6mpa

    無機增強抗裂材料wj摻入普通混凝土中，在水化硬化過程中生成一定量的微膨脹結晶體，降低空隙率，改善混凝土中孔結構分佈。其膨脹驅動力是凝膠尺寸的晶體鈣礬石吸水腫脹和結晶狀鈣礬石對孔隙產生膨脹壓的共同作用。當wj摻量為8一12兒在鋼筋和鄰位的限制下，使混凝土產生0
  5. Abstract : because the water - binder ratio of both high strength concrete and high performance concrete are very low, it bring about the following consequences such as : 1, the grade of cement strength would be a negligible symbol 2, the effectiveness of mineral admixture would be considerably improved 3, the high cohesion of the mixture and concrete " s shrinkage and creep would be changed etc. all these consequences should be well deliberated by the construction circles

    文摘:高強混凝土和高性能混凝土因其水膠比都很低，給配製與施工帶來如下現象：水泥標號的「標志」作用淡化，礦物摻合料的作用顯著改善，拌合物的高粘聚性、混凝土的收縮和徐變性能的變化等，這些現象都值得施工人員注意。
  6. According to relative criteria, the performance of ash - jd such as ratio of water - reducing, ratio of compressive strength, effect of enhancing strength, ratio of bleeding, air entrainment content, effect of keeping slump value, compatibility with cement, resistance to concrete shrinkage and damage by freezing and thawing and impermeability to water etc are all equal to the traditional aminosulfonic - based superplasticizers, and the ratio of performance to price is better than naphthalene series superplasticizers

    按照相關標準，對產品進行了測試，所開發的低成本改性氨基磺酸鹽高效減水劑ash - jd的各項性能如減水率、抗壓強度比、增強效果、引氣性、坍落度保持效果、與水泥適應性、收縮性能、抗凍融性能、抗滲性能等相當于傳統氨基磺酸鹽高效減水劑，性能價格比優于萘系高效減水劑。
  7. ( 2 ) interfacial agents this experiment adopts three types of interfacial agents : no interfacial agent, neat cement paste which has the same water - cement ratio with the new concrete, cement paste mixed with 10 % expanding agent which has the same ratio with the new concrete ( which is called cement paste mixed with expanding agent for short ). the thickness of the interfacial agent is 2 ~ 3mm

    （ 2 ）粘結劑本試驗採用三種粘結劑：無粘結劑、同新混凝土相同水灰比的水泥凈漿、摻10 u型膨脹劑的同新混凝土相同水灰比的水泥凈漿（以下簡稱水泥膨漿） 。界面劑的厚度一般為2 3mm 。
  8. Under different sand ratio, the relationship between water cement ratio and 28 day compressive strength is researched and the coefficient of recycled concrete is induced

    在不同砂率下，分析了再生混凝土28天齡期抗壓強度與水灰比之間的關系，並回歸分析得出了再生骨料系數。
  9. 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。
  10. Firstly, this paper analyzes the influence of some factors ( such as the water / cement ratio, types of cement, curing time etc. ) on the carbonization properties of high performance concrete as well as that of common concrete

    首先，對諸多因素（如水膠比、水泥品種、養護齡期等）對于高性能混凝土及普通混凝土的抗碳化能力影響程度進行定性和定量分析。
  11. The result of experiment states hpc which initial slump is more than 230mm, after 120min is still above 190mm ; the 7d and 28d hydration, the compression strength of concrete is more than vompa and 90mpa can be made from the ground high - ti bfs instead of 10 - 30 percent of equal p. o. 525r, with the aid of superplasticizer and additive on the water cement ratio is 0. 26

    利用磨細的高鈦礦渣等量取代10 - 30的硅酸鹽水泥，並摻入高效減水劑b和外加劑ua ，在水灰比為0 . 26時，可以配置出初始塌落度大於230mm ， 120min后，塌落度仍大於190mm ， 7天強度大於70mpa ， 28天強度大於80mpa的高性能混凝土。
  12. Water cement ratio and mixing fly ash or slag into concrete effect on ability of resisting chloride penetrating that are considered in the model. the effect of environment that include temperature, relative humidity and cumulating of surface chloride concentration of concrete are also considered. moreover, chloride diffusion changing with time is included in this model as well as

    模型中考慮水灰比和混凝土配合比（摻入不同量的粉煤灰和礦渣）變化對混凝土抵抗氯離子侵蝕能力的影響，同時考慮溫度、相對濕度和表面氯離子濃度累積變化等環境因素對氯離子侵入混凝土過程的影響，以及氯離子擴散系數隨時間的變化。
  13. This paper deals with high fluid concrete in which high strength ceramsite made from shale was used as coarse aggregate. effects of cement content, water - cement ratio, sand percentage, mineral admixture, grading and pretreatment of lightweight aggregate on compressive strength and workability of high fluid structural lightweight aggregate concrete have been studied. the rules of water absorption of high strength lightweight aggregate under different pressure and effects on uniformity of high fluid structural lightweight aggregate concrete have been studied too

    本文採用高強頁巖陶粒，摻加高效減水劑配製大流動性結構輕集料混凝土，討論了水泥用量、水灰比、砂率、礦物摻料及輕集料的級配和預濕方式對大流動性結構輕集料混凝土強度和工作性的影響；系統研究了高強陶粒在常壓和壓力下的吸水規律；研究了影響大流動性結構輕集料混凝土勻質性的因素，提出了解決大流動性結構輕集料混凝土分層離析的具體措施。
  14. Effects of water - cement ratio on plastic shrinkage cracking of concrete

    水灰比對混凝土塑性收縮裂縫的影響
  15. Abstract : water - cement ratio is an important parameter in concrete proportioning design and has a great effect on the nature of concrete, such as its intensity and durability

    文摘:水灰比是砼配合比設計中一個重要參數，主要體現在其對砼性能（和易性、強度和耐久性等）的影響上。
  16. Water absorption rate of high strength ceramsite in concrete is lower than in water, and it is influenced by water - cement ratio, the higher w / c ratio, the bigger water absorption rate. and the lower w / c ratio in concrete is, the less obvious changes of water absorption rate by outer pressure and time are

    高強陶粒在混凝土中的吸水率低於其在水中的吸水率，且高強陶粒在混凝土中的吸水率要受到混凝土水灰比的影響，水灰比越大，吸水率越大；水灰比越低，吸水率隨壓力和受壓時間的變化越不明顯。
  17. The reduced minimum cement contents shall only be used when trial mixes have verified that concrete with a maximum free water / cement ratio not greater than that given for a particular condition can be consistently produced and it is suitable for the conditions of placing and compacting

    只有經過試拌證實，可以持續不斷地生產出最大水灰比不大於某一特定工況給定值的混凝土，而且這種混凝土適合於攤鋪與夯實，在這種情況下，才可以使用這一縮減的最低水泥用量。
  18. 6. the durability of concrete structures resisting chloride diffusion in different water cement ratio and different contents of fly ash and silica was analyzed and durable life was predicted based on the results of the test, which will be helpful to preparation of high performance concrete ( hpc ) as well as durability design and assessment of concrete structures

    系統地研究了低水膠比及摻加粉煤灰、硅灰的高性能混凝土的電滲透性和氯離子擴散系數，分析了水膠比以及粉煤灰和硅灰等活性集料對混凝土結構抵抗氯離子侵蝕的耐久性能的影響，並對高性能混凝土結構抗氯離子侵蝕的耐久壽命進行了預測，為氯鹽污染環境下高性能混凝土的配製以及混凝土結構耐久性評估與設計提供參考。
  19. By testing according to correlation criterions, the performances of jd such as ratio of water - reducing, ratio of compressive strcngth, effect of accelerating and enhancing strength, ratio of bleeding, air entrainment content, effect of keeping slump value, compatibility with cement, resistance to concrete shrinkage and damage by freezing and thawing and water - tightness etc are all better than that of the traditional melamine resin superplasticizer sm and naphthalene series superplasticizer fdn

    按照相關標準進行測試，所開發的改性密胺樹脂高效減水劑的各種性能如減水率、抗壓強度比、早強增強效果、泌水率、引氣性、坍落度保持效果、與水泥適應性、收縮性能、抗凍融性能、抗滲性能等都遠遠優于傳統的三聚氰胺高效減水劑sm ，也優于萘系高效減水劑fdn 。
  20. Statistic relationship between water / cement ratio and chloride diffusion coefficient was gained by experiment, based on which the influence of concrete cover, water / cement ratio and design reference period on structural reliability was discussed. 2. there are two models provided to predict remaining service life

    通過試驗確定了水灰比與氯離子擴散系數之間的統計關系，在此基礎上分析了海洋環境下混凝土保護層厚度、水灰比、設計基準期等與耐久性有關的非承載力因素對設計基準期內結構可靠性的影響。
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