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shrinkage compensating
相关语句
  补偿收缩
     Use of New Shrinkage Compensating Fiber-Reinforced Fly Ash Concrete Technology in the Project of New Baiyun International Airport Passenger Terminal in Guangzhou
     粉煤灰补偿收缩纤维混凝土新技术在广州新白云国际机场航站楼工程的应用
短句来源
     Study on Shrinkage Compensating of Crushed Stone Mortar
     补偿收缩石屑砂浆研究
短句来源
     Analysis of Expansion effect of Shrinkage compensating Concrete in Dam Construction
     补偿收缩混凝土膨胀在筑坝中的作用分析
短句来源
     Results show that the final expanding quantity of shrinkage compensating crushed stone mortar in the water increased with the increase of UEA or gentle MgO;
     结果表明,补偿收缩石屑砂浆的水中养护最终膨胀量随着UEA或MgO掺量的增大而增大;
短句来源
     The phase composition and micro morphologies of hydration products of shrinkage compensating mortar were investigated under the simulated condition of the core of massive concrete using semi quantitative XRD and SEM EDS.
     利用半定量XRD和SEM EDS分析、观察了补偿收缩水泥砂浆在模拟大体积混凝土内部温湿度条件下的水化产物相组成和微观形貌 .
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     Suitable Compound ratio of making Shrinkage compensating complex portland cement for road by using ordinary portland cement clinder,steel slag, cinder,addition and gypsum.
     本文研究了利用普通硅酸盐水泥熟料、钢渣、炉渣、适量添加剂和石膏生产微收缩高耐磨道路水泥的适宜配方。
短句来源
  “shrinkage compensating”译为未确定词的双语例句
     Then, through the expansion ratio and strength experiments of cement mortar, which early expansive admixture and laterexpansive admixture mix each other by different compound proportion, and according the analysis of results, reasonable compound proportions are pick out as the double expansive sources admixture that are fit for temperature shrinkage compensating of hydraulic mass concrete.
     通过复掺实验,对比分析各种比例之间的膨胀特性和砂浆强度,选出适合补偿水工大体积混凝土温度收缩的比例,作为本次研究的双膨胀源膨胀剂。
短句来源
     The early expansion establishs the pressure stress that can delay the crack time in the concrete. And the steady later micro-expansion is very suit for the temperature shrinkage compensating of the hydraulic mass concrete.
     早期的膨胀能在混凝土中建立一定的压应力,延迟混凝土开裂,后期又能提供长期微量的膨胀,对补偿水工大体积混凝土后期温度收缩十分有利。
短句来源
     In the healthy concrete a small amount of SEF plays a role in strengthening , compacting and shrinkage compensating of concrete.
     在健康混凝土中 ,少量二次钙矾石形成对混凝土有增强、密实和补偿收缩的作用 ;
短句来源
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  shrinkage compensating
It can be seen that this shrinkage-compensating admixture can successfully compensate the autogenous shrinkage.
      
Based on mineral oxide engineering, slag reactivity and hydration can be simulated, and shrinkage-compensating additions developed.
      


In this paper a new method to determine the pre-compres-sive stress in the structure of shrinkage-compensated concrete is proposed. The constraint coefficient of the structure is first to be obtained by theoretical analysis, and then thepre-compressive stress is determined by laboratory tests using steel-reinforced concrete specimens with the same raw material and the same constraint coefficient of the concrete structure considered. This method relates the laboratory tests closely to the real structure...

In this paper a new method to determine the pre-compres-sive stress in the structure of shrinkage-compensated concrete is proposed. The constraint coefficient of the structure is first to be obtained by theoretical analysis, and then thepre-compressive stress is determined by laboratory tests using steel-reinforced concrete specimens with the same raw material and the same constraint coefficient of the concrete structure considered. This method relates the laboratory tests closely to the real structure and avoids some uncertainties introduced by pure analytical methods currently used to determine the pre compressive stress in the shrinkage-compensated concrete.

本文提出了确定补偿收缩混凝土结构预压应力的一个新方法:即从理论上求出补偿收缩混凝土结构的约束系数,再通过钢筋模拟约束试验测定预压应力,这样既把补偿收缩混凝土的预压应力试验与实验结构联系起来,又避免了纯理论计算带来的近似性。

This paper summarizes the research results of rapid dam construction with Portland Low-heat Expand Cement Concrete in our institute in last ten years.On the basis of a great deal of laboratory test results analysis, the general properties of shrinkage-compensated concrete and some concepts of shrinkage-compensation have been proffered. The possibility of rapid construction by using shrinkage-compensated concrete in hydraulic engineering are investigated in light of test results...

This paper summarizes the research results of rapid dam construction with Portland Low-heat Expand Cement Concrete in our institute in last ten years.On the basis of a great deal of laboratory test results analysis, the general properties of shrinkage-compensated concrete and some concepts of shrinkage-compensation have been proffered. The possibility of rapid construction by using shrinkage-compensated concrete in hydraulic engineering are investigated in light of test results of using shrin -kage compensated concrete in three dam construction practices. The third test is long block and full-face placement are used. The study results show that it is possible for rapid construction of dam to adopt the shrinkage compensated concrete in hydraulic engineering. Through many tests, a temperature control design formula for concrete dam has been provided. Therefore, it is suggested that the selfgrowth strain of concrete at its late age may be used as one of important Parameters of temperature control design for dam concrete.

本文总结了我院近十年来进行低热微膨胀水泥混凝土快速筑坝研究的成果,在分析了大量室内试验成果的基础上,提出了水工补偿收缩混凝土一般性质及补偿收缩特性的一些概念。在三次水工补偿收缩混凝土筑坝试验的基础上,探讨了采用水工补偿收缩混凝土进行快速施工的可能性,第三次通仓长块快速施工,研究成果表明采用水工补偿收缩混凝土有可能快速筑坝。在多次试验的基础上,文中提出了对混凝土大坝温度控制设计公式,建议把混凝土后期自生体积变形作为大坝混凝土温控设计重要参数之一。

This paper introduces a composite expansive agent consisting of lime and slunite, by which shrinkage compensating concrete/mortar can be made. The amount of composite expansive agent used is 8—10 wt% of the cement. This kind of concrete/mortar is characterized by its stability in expansion, high resistance to crack and permeation, and continuous increase in strength. It has a good effect in construction uses.Concrete containing this expansive agent is superior to the concrete containing expansive cement...

This paper introduces a composite expansive agent consisting of lime and slunite, by which shrinkage compensating concrete/mortar can be made. The amount of composite expansive agent used is 8—10 wt% of the cement. This kind of concrete/mortar is characterized by its stability in expansion, high resistance to crack and permeation, and continuous increase in strength. It has a good effect in construction uses.Concrete containing this expansive agent is superior to the concrete containing expansive cement or expansive agent made of calcium sulfoaluminate system in the following respects: low drying shrinkage, good frost resistance, abundant in resources and low production cost.

本文介绍一种含有CaO和明矾石的复合膨胀剂。将占水泥重量8—10%的复合膨胀剂同水泥一起制备成的补偿收缩混凝土或砂浆,其膨胀稳定,强度、抗渗性和抗裂性能良好。该混凝土与硫铝酸钙系的膨胀水泥或嘭胀剂制成的混凝土相比干缩小、抗冻性好、原料来源广且成本低。

 
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