The mechanics and drying shrinkage properties of high C3S cement and popular cement systems were studied.
研究了高c3s水泥系统和普通水泥系统的力学性能及干缩性能。
The holes of anchor bolts will be grouted with normal (Portland, non - shrinkage) cement mortar.
这些地脚螺孔将灌入普通(波特兰，无收缩)水泥砂浆。
The holes of anchor bolts will be grouted with normal (Portland , non-shrinkage) cement mortar.
这些地脚螺孔将灌入普通（波特兰，无收缩）水泥砂浆。
The holes of anchor bolts will be grouted with normal (Portland, non-shrinkage) cement mortar.
这些地脚螺孔将灌入普通(波特兰，无收缩)水泥砂浆。
The research results show that the steel fiber can improve remarkably the strength of the phosphate cement mortar, reduce its shrinkage and enhance its abrasiveness.
研究结果表明，掺入钢纤维可显著提高磷酸镁水泥砂浆的强度，降低砂浆的收缩率及提高砂浆的耐磨性能；
The holes of anchor bolts will be more grouted with normal (Portland , non-shrinkage) cement mortar.
这些地脚螺孔将灌入普遍（波特兰，无缩小）水泥砂浆。
The results indicated that high C3S cement had higher strength and less drying shrinkage and can largely utilize fly ash (up to 40% of fly ash may be added).
结果表明，高c3s水泥具有较高的强度和较小的干缩，可大量利用粉煤灰(掺量可达40%)。
A new method of volumetric deformation measurement is proposed, which can measure the shrinkage of cement paste from initial setting.
提出了密封试样细管排液的体积变形测定方法，该方法可测定水泥石自初凝起的收缩。
Besides cement dose, mud content and construction control, aggregate grade is one of the important factors which affect the shrinkage properties of cement stabilized material bases.
除了水泥剂量、含泥量和施工控制等因素外，集料级配是影响水泥稳定粒料基层收缩特性的重要因素。
This paper showed the results of experimental study on the effects of different types and adding amount of alkali on the loss rate of water and the drying shrinkage of cement paste.
通过测量不同品种和掺量的碱对水泥基材料的水分损失量和自由收缩率，研究了在干燥条件下不同的碱对水泥基材料收缩性能的影响规律。
It shows that the shrinkage caused by the large content of cement can reduce by partial filling prewetting haydite in the high-strength and lightweight aggregate concrete.
结果表明，通过在高强混凝土中掺加部分提前用水浸泡过陶粒的办法，可以减少高强混凝土因水泥用量过大而引起的较大收缩。
The gel cement has better embrittlement resistance and little shrinkage, and can provide long time supporting for the liner, thus it is an ideal select for multi-lateral cementing.
乳胶水泥具有较好的抗脆裂性及较小的收缩性，能对尾管提供长期支撑，是多底井固井理想的水泥浆体系。
In this paper, the effects of polypropylene fibers on the plastic shrinkage stresses of the cement mortars were investigated by use of self-designed plastic shrinkage stresses measuring device.
采用自行设计的水泥砂浆塑性收缩应力测试装置研究了低掺量下聚丙烯纤维对水泥砂浆塑性收缩应力影响。
In order to prevent such shrinkage, a delayed-expansion cement was studied and produced.
为了防止这种收缩，研制了延迟性膨胀水泥。
The laws of influences from usage amount of cement, mineral admixtures and concrete age on shrinkage and creep of high performance concrete are studied through tests.
试验研究了水泥用量、矿物掺合料、龄期对高性能混凝土收缩、徐变的影响规律。
A new CGM fast-aid repair material was developed by changing the kind of cement and adding hardening accelerator based on the CGM High Strength Non-Shrinkage Grouting material.
在CGM高强无收缩灌浆料的基础上，通过改变水泥品种和添加早强剂研制出CGM抢修料。
The results show that: the alter of volumetric shrinkage decreases with the increase of fiber content added in cement, the maximum relative volumetric shrinkage decreases by 38.3%.
研究结果表明，随着纤维产量的增加，水泥石的体积收缩率减少，最大相对体积收缩率下降了38.3% ；
It has been shown that limestone can reduce drying shrinkage, standard consistency and setting time of high zeolite cement.
结果表明：石灰石的加入，提高了高沸石水泥的早期强度，降低了水泥的标准稠度、凝结时间及干缩率。
The early cracking of concrete is usually caused by dry shrinkage, autogenous shrinkage of cement hydration and thermal-strain by hydration heat of cement.
混凝土的早期开裂主要是由于混凝土失水所产生的干燥收缩、水泥水化所产生的混凝土自收缩以及水泥水化热所产生的温度应变所引起。
The chemical shrinkage caused by cement hydration may bring out the volume change of mortar and concrete, and the appearance of cracking.
水泥水化反应引起的化学收缩会引起砂浆及混凝土的体积变化，可能会导致收缩裂缝的产生。
Test investigation on the chemical shrinkage or expansion of alkali-activated cementing materials and water-cement were carried out in this paper, in which water-cement was as control sample.
本文对碱激胶凝材料与水-水泥体系的化学收缩或膨胀进行了试验研究，其中以水-水泥体系为对比样。
The influence of different superplasticizers on drying shrinkage of mortar with the same water cement ratio and same sand cement ratio was investigated in this article.
通过试验研究了几种类型的高效减水剂在同样水灰比和砂灰比的情况下对砂浆干燥收缩性能的影响。
This paper has made a thorough study on its properties and delved further into its mechanism of compensation on cement concrete shrinkage by adding concrete expansive agent.
本文通过在普通混凝土中掺加膨胀剂对补偿收缩混凝土的性质进行了研究，并就膨胀剂对混凝土补偿收缩的机理进行了探讨。
The reaction mechanism, method of synthesis and property testing of polyoxypropylene series compounds as shrinkage reducing agents in cement concrete are introduced in this paper.
介绍了聚环氧丙烷类高抗收缩剂的收缩机理和制备方法，并且对其进行了抗压强度及抗拉强度的性能测试。
The results show that AS cement possesses high early strength, low hydration heat and durability, but its shrinkage rate is higher than that of portland cement.
结果表明，碱-矿渣水泥具有早强、高强、低水化热和高耐久性等优良性能，但是干缩较大；
Early age cracking caused by shrinkage is an important reason for the deteriorations of cement-based materials and reduction of volume stability.
早期收缩开裂是导致水泥基材料劣化及体积稳定性不良的重要原因。
Fracture energy, strength, shrinkage and expansion properties of cement mortar are studied under different moisture content and surface tension solutions.
以水泥砂浆为研究对象，对不同水分含量及不同表面张力溶液下砂浆的断裂能、强度及收缩膨胀性能进行了研究。
The addition of calcined kaolin to cement increased the chemical shrinkage of cement stone, but it had no distinct impact on the self-shrinkage of cement stone.
煅烧高岭土掺入水泥中，增加了水泥石的化学收缩，对水泥石的自收缩的影响并不明显。
The addition of calcined kaolin to cement increased the chemical shrinkage of cement stone, but it had no distinct impact on the self-shrinkage of cement stone.
煅烧高岭土掺入水泥中，增加了水泥石的化学收缩，对水泥石的自收缩的影响并不明显。
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