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later strength
相关语句
  后期强度
     The activity of the compound admixtures is of importance for the later strength of concrete,especially for the 60d and 28d strength.
     大掺量复合掺合料混凝土强度试验中,该复合掺合料活性对混凝土后期强度的提高很重要,尤其60d、28d强度增长较大,但180d比 60d增长幅度较小。
短句来源
     The experiment results indicated that these measures could effectively increase early and later strength of cement.
     实验结果表明,该措施可有效地提高水泥的早期和后期强度
短句来源
     The influence of fly ash upon physical performance of the high performance concrete is re-saerched,and the test tell us,that high performance concrete mixed with fly ash can improve the fluidity of concrete,reduce the lose of slump and enhance the later strength and degree of compaction of concrete.
     研究了粉煤灰对高性能混凝土的物理性能影响,试验结果表明,高性能混凝土中掺入粉煤灰,可改善混凝土的流动性,减缓坍落度损失,提高混凝土的后期强度及密实性。
短句来源
     The specimens with water slurry ratio of 0.1 and 0.3 have an accelerating tendency in compressive strengthes development and their later strengthes reach or even exceed that of the specimen with water slurry ratio of 0.2. Specimen cured at 83℃ has higher compressive strength than that at 53℃ and its later strength increases smoothly.
     水浆质量比为0 1和0 3的油基水泥浆在53℃下后期强度发展有加速趋势,接近和超过了水浆质量比为0 2的油基水泥浆,83℃下油基水泥浆水化后强度比53℃下高,后期强度发展平稳。
短句来源
     By grinding fly ash and adding high-efficient water reducer, when the dosage of cement clinker is only 25% and the dosage of fly ash is 70%, concrete with a good workability that 3 day and 28 day strength are bigger than 20 MPa and 50 MPa respectively can be achieved, which later strength develop very well.
     通过采用对粉煤灰进行磨细处理+高效减水剂的方法,当水泥熟料仅用25%左右,粉煤灰掺量为70%时,可配制得到工作性好,3d强度大于20MPa,28d强度在50MPa以上,其后期强度有极好发展的混凝土。
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  “later strength”译为未确定词的双语例句
     γ-C2S contributed to the later strength of cement because of its activity at later hydration stage.
     γ-C2S在后期则具有一定的水硬性,它对水泥石的长期强度发展是有益的;
短句来源
     For hardening yield damage,the later strength depends on the increase of density and sectional area of the sample.
     硬化屈服损伤破坏后期的强度增长是靠材料的挤压导致的密度提高和截面积的增长来共同维持的,并稳定在一个水平上。
短句来源
     For pure cement slurry when the temperatures exceed 110℃ there are decreasing tendency on the later strength development curve. And for slurries containing silicasand there are increasing tendency for 110~150℃ in form of two stage and for exceeding 150℃ in only one stage form.
     原浆水泥110℃后随养护时间增长强度下降,加砂水泥110~150℃范围内存在二级台阶式强度发育特点及在150℃后强度有突变增长等变化规律;
短句来源
     At the same time, fineness and content of slag also have different effect on the early strength (3 d and 7 d)and the later strength (28 d) of cement mortar. Water demand changes with the fineness of slag.
     同时,细度、掺量对早期(3 d、7 d)强度和后期(28 d)强度的影响也有差别。
短句来源
     Increasing amount of MgO lead to f-CaO increasing and later strength decreasing.
     随着原料中MgO含量的增加,熟料f-CaO含量增加,水泥后期力学性能降低;
短句来源
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  相似匹配句对
     Later ,M.
     随后,M.
短句来源
     Study on the Reason for the Lower Later-strength of Clinker and It's Measurement
     熟料后期强度低的原因分析及其对策
短句来源
     METALLIC STRENGTH
     金属力量
短句来源
     And the main is the later.
     研究重点主要在后者。
短句来源
     The increasing speed of later strength is slow and the hydration speed is decreased.
     浆体后期水化速度减慢,表现为后期强度增长不大;
短句来源
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  later strength
The SEM analysis shows that it is the uneven distribution of hydration products caused by elevated curing temperature that leads to the later strength reduction of concrete.
      
Comparatively, incorporation of silica fume is the most efficient means to decrease the later strength reduction.
      
The later strength decreses significantly compared to that under normal curing condition.
      


Have researched these cases in question and analysed the concrete design standard, the utilization of concrete later strength and the character of stress redistribution. Finally, this paper provides the rational choice of concrete design or arch dams and the rationalization of the safty factor for compression reduction in sereral part of Arch Darn, in order to serve as a basis for more economical and safer concrete arch Dam.

本文对砼设计标准,利用砼后期强度以及拱坝应力重分布的特点等方面的综合分析,探 讨了拱坝砼标号的合理选择以及降低拱坝砼个别部位抗压安全系数的合理性,以期获得更经济安 全的拱坝.

After the lab test, site test and application with the shotcrete mixing of No. 425 to 524 regular portland cement, sand, breaking stone, other common material, silicon powder and other additives , the Id and 28d strengthen of the shoterete are two times higher than a shoterete with no additive. The rebound material from the shotcrete operation has been reduced by 50%. By using the shoterete,the roadway support cost can reduce RMB 30 to 70 per a meter of roadway. From the funcion mechanism of the additives it...

After the lab test, site test and application with the shotcrete mixing of No. 425 to 524 regular portland cement, sand, breaking stone, other common material, silicon powder and other additives , the Id and 28d strengthen of the shoterete are two times higher than a shoterete with no additive. The rebound material from the shotcrete operation has been reduced by 50%. By using the shoterete,the roadway support cost can reduce RMB 30 to 70 per a meter of roadway. From the funcion mechanism of the additives it is known that the added additive will have a quick setting function which could make a quick setting between the quick setting agent and the gypsuim in cement slurry. But the quick setting agent has a certain failure function to aluminale. Adding with a good active silicon powder can greatly increase the later strength of the shoteret which can cover the -(?)ailure due to the using of quick setting agent. Adding water reduction agent.it can increase the plastiity and reduce the water and cement requirements of the shotcrete. All those will increase the initial and final strength of the shotcrete.

通过用普通水泥和砂、石等建材掺入速凝剂、减水剂和硅粉等外加剂的混凝土的室内、现场试验和应用以及机理研究,说明这种混凝土1d至28d强度比不掺的高出1倍左右,回弹率降低一半,每米巷道节约支护费用30~70元。

In this paper,the high-strangth composite cement for shotcrete is presented. This cement issuited to moist jet technology without accelerator,and also improves the later strength of concrete. Duringproduction of the cement,the clay and partial coal are replaced with coal-mine waste or its slag from flu-idized bed boiler and multifunctional mixture.

本文介绍了利用煤研石及其沸腾炉灰渣代替粘土和部分煤配料,辅之于多功能混合剂,成功地研制了一种在施工时不需加速凝剂适用于潮喷工艺,并能提高混凝土后期强度的高标号喷射混凝土专用复合水泥。

 
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