cement water ratio 中文意思是什麼
cement water ratio
解釋
灰水比-
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。 -
Electroosmosis technology can solve the problem of high water cement ratio during construction and low water cement ratio during solidification effectively so that have expansive application prospect
結論電滲濾水混凝土技術能有效地解決混凝土的大水灰質量比施工、小水灰質量比固化的矛盾，有重要學術價值和廣闊的應用前景。 -
Utilizing the electric double layer produced by hydration of cement to gather in superfluous water at negative electrode and reduce the water cement ratio of solidification by using electroosmosis technology
方法採用電滲技術，利用水泥水化產生的雙電層的導電性能，使混凝土中的多餘水分向陰極聚集，以減少混凝土的凝結水灰質量比。 -
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。 -
The paper analyzes its performance with the range of the content of gas former, expanding pearlite and water - cement ratio
文中對引氣劑用量、珍珠巖用量及水灰比對材料吸聲性能影響進行了研究與分析。 -
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。 -
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 -
Through direct pullout test, we examine the effect of the water to cement ratio, contend of steel fiber and silica fume on the bond behavior ; compare the bond behavior of two types of cfrp bars with difference surface treatment ( r1 bars and g1 bars ), and reprocess the one of inferior bond strength ; investigate the bond stress distribution along the bond length of cfrp bars, and assess the adequacy of some exist analytical models of bond - slip behavior to reproduce the experimental bond behavior
本文主要通過直接拉拔試驗，考察水膠比、鋼纖維摻量、硅灰摻量以及cfrp筋的表面處理類型等材料參數對粘結性能的影響，並對粘結效果較差的cfrp筋研究了表面處理方法，以提高cfrp筋與rpc的粘結性能;通過在cfrp筋表面粘貼應變片，測定了粘結應力沿cfrp筋埋長的分佈情況，並對現有的粘結滑移本構模型與試驗結果的擬合效果進行了比較。 -
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。 -
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。 -
( 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 。 -
Research on portland cement hydration and mechanical properties of prc low water cement ratio system
低水膠比體系硅酸鹽水泥水化特性與力學性能研究 -
Finally, by analyzing experiment data, the most suitable mix design was gained, and a experience expression about material strength and cement / water ratio was found
最後通過對試驗數據的分析，給出了最優配合方案，並推薦了超高強水泥基材料強度與膠水比的經驗公式。 -
Finally, use spss analyzing experiment data, the most suitable mix design was gained, and an experience expression about material strength and cement / water ratio was found
通過對試驗數據的分析，給出了最優配合方案，利用spss驗證經驗公式，給出了高強水泥基材料強度與膠水比的經驗公式以及抗折強度與抗壓強度之間的線性關系。 -
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。 -
4 when keeping the cement quantity and water ratio changeless, it will increase the slump constant for at least 10cm to mix into fnj l, and the concrete strength after hardening is equal to the reference concrete
2用於夏秋季節施工和大面積滑模施工。調節摻量，可有效地控制砼的凝結時間，摻量可調范圍大，塌落度損失小。 -
According to analyzing experiment data and the comprehensive - equilibration theory, the most suitable mix design was gained, and an experience expression about material performance and cement / water ratio was found. at the same time, the performance of lac is analyzed by less data and neural networks
通過對試驗數據的分析，根據綜合平衡法，給出了最優配合方案，推薦了高強輕骨料混凝土材料強度、強質比與膠水比的經驗公式。 -
In this dissertation, the engineering properties of the nano - al2o3 and nano - tio2 reinforced cement - stabilized soil are respectively studied through the laboratory experiments. based on testing data, the unconfined compressive strength ( ucs ) of nanometerial - al2o3 reinforced cement - stabilized soil ( narcss ) is firstly analyzed in different nanomaterial mixing ratio, cement mixing ratio, curing - period, water content, w / c ratio, etc., and then the stress - strain relationship of narcss is given. the variation of the ucs of nanometerial - tio2 reinforced cement - stabilized soil ( ntrcss ) is also given in different nanometerial mixing ratio and curing period
根據試驗結果，首先分析了納米材料al _ 2o _ 3摻入比、齡期、土樣含水量、水灰比等對摻納米材料al _ 2o _ 3水泥土強度的影響，並給出其應力應變關系（本構關系）和一定條件下的最佳配比；其次，分析了納米材料tio _ 2摻入比、齡期等對摻納米材料tio _ 2水泥土強度的影響；最後，通過比較前人的研究成果，對分別摻入納米材料al _ 2o _ 3 、納米材料tio _ 2及納米材料sio _ （ 2 - x ）的水泥土強度進行了對比分析。 -
According to the results of other researchers, the strength of cement - stabilized soil reinforced with different nanometerial are compared. the studies shows that the ucs of narcss increases with the increase of curing period, increases firstly and then falls with nano - al2o3 mixing ratio, and increases with cement mixing ratio. according to the influencing degree, the main factors can be rated as following : cement mixing ratio, water content, nano - al2o3 mixing ratio, the w / c ratio
研究表明：摻納米材料al _ 2o _ 3水泥土強度隨齡期的增加而增長；隨納米鋁摻入比增加呈先增大后減小的趨勢，峰值出現在納米鋁摻入比為5左右；隨水泥摻入比的增加而增加；在影響納米鋁水泥土強度的各因素中，水泥摻入比的影響最為顯著，土樣含水量影響次之，納米鋁摻入比的影響再次之，而水灰比的影響較小。 -
In order to establish the non - destructive detecting standard, transverse wave speed is chose as the non - destructive detecting parameter, which strongly correlated with the compressive strength basing on lots of room experiments, and finds the relation between transverse wave speed of cement - soil and its contributory factors. the forecast model of the non - destructive detecting parameter is established by neutral - network toolbox of the matlab. by this model, transverse wave speed and compressive strength are got by putting the soil style, cement - soil ratio, water - cement ratio, maintain condition and the time
由於水泥土的力學性能通常用抗壓強度來衡量，因此，我們通過大量的水泥土室內試驗建立了剪切波速與抗壓強度以及影響因素之間的對應關系，並利用matlab神經網路工具箱建立了防滲墻施工質量無損檢測指標的預測模型，即通過輸入土類、灰土比、水灰比、養護條件及齡期獲得相應的剪切波速和抗壓強度。
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