The experimental results show that the mechanical strength is increased with increasing the polymer concentration and the freezing time.
结果表明，其机械强度随凝胶浓度和冷冻时间的增加而增强。
This article introduces an inorganic protective agent for concrete in cold climate, and the influence on impermeability, freezing resistance and compressive strength were analyzed.
介绍了寒区混凝土无机防护剂产品，并且通过实验研究测定了该防护剂产品对混凝土抗渗性、抗冻性以及抗压强度的影响。
Condense and harden fastly. freezing resistance. Applicable for project require fast condense, high initial strength and freeze-thaw cycle.
其凝结硬化快、耐冻性好，更适用于要求凝结快、早期强度高及受循环冻融的工程。
This agent early strength high, anti-freezing effect is good, its performance meet the domestic advanced level of the same products.
本剂早强高、防冻效果好，其性能达到国内同类产品的先进水平。
Effects of fly ash and pulverized blast furnace slag on resistance of permeability and resistance of freezing of high strength lightweight aggregate concrete (HSLWAC) were investigated.
研究了粉煤灰和磨细矿渣对高强轻骨料混凝土抗渗及抗冻性能的影响。
This paper expound overall the stability of strength about pfa brick, which indicates that pfa brick can be used for the position of freezing and thawing and for the general under ground engineering.
本文全面论证了粉煤灰砖的强度稳定性。认为粉煤灰砖可用于干湿冻融部位，宜用于地面以下的一般工程。
The characteristic curves of soil freezing and thawing reflect the strength, thermal properties and water and solute transport regularity.
土壤冻融特征曲线是反映土壤冻融过程中的水、热、盐迁移规律以及冻土强度、冻土的热性质的重要参数。
Mixture proportions, flowability, crack propagation at early ages, strength, shrinkage, carbonation and the freezing and thawing resistance of flowing concrete with high flowability were investigated.
研究了具有高流动性的流态混凝土的配比、流动性、早期裂纹扩展、强度、收缩、碳化和抗冻融性，这种混凝土无论在成本上还是性能上都是非常可行的。
The concrete precast unit during setting period in winter season, would be most likely damaged by freezing and eventually reduced in strength and durability.
冬季施工的混凝土构件，在硬化过程中有可能遭受冻害。
The slip of reinforcement corresponding to the ultimate bond strength changes slightly up to 15 freezing and thawing cycles and greatly more than 15 cycles.
当冻融次数少于15次时，钢筋极限粘结荷载时的滑移变化不大，而冻融次数多于15次时滑移变化明显增大。
The mechanism of generating freezing adhesive strength was analyzed, providing a new approach to the research of anti-freezing adhesive theory and techniques.
分析了材料的冻黏强度机理，为冻黏防治理论与技术研究提出了新的途径。
Due to its convenience and economical efficiency, the high-strength concrete shaft lining has been widely used in deep shaft sinking by freezing method.
深冻结井高强混凝土井壁作为一种施工方便、经济的井壁结构被广泛得到应用。
Because soft rocks have low strength and high porosity and contain large amount of expansive clay minerals, the freezing-thawing process of soft rock is complicated.
由于软岩为强度低、孔隙度大、胶结程度差、含有大量膨胀性粘土矿物的松散、软弱岩层。
The study shows that, the frost resistance of the LHFRC is the best, and its loss of flexural strength post freezing is least;
研究表明，层布式碳纤维-聚丙烯混杂纤维混凝土抗冻能力最强，并且冻后抗折强度损失最少；
The higher strength is, the better anti-freezing performance, but some concrete samples of high strength occurs sudden breaking in sulfate solution for freeze-thawing.
强度越高，混凝土的抗冰冻性能越好，但一些强度较高的混凝土试件在硫酸盐溶液中冻融时发生突然的中部断裂而破坏。
The result indicated that the resistance to freezing and thawing of normal low-strength concrete is very low. Freeze-thaw cycles have important affect to concrete strength.
结果表明普通低标号混凝土抗冻性能较差，冻融循环对混凝土强度影响较大。
The results indicated that air content and strength of the concrete had significant effects on the freezing and thawing durability of concrete with and without PFA.
结果表明，混凝土的引气量和强度是影响普通混凝土和粉煤灰混凝土抗冻性的决定因素，满足抗冻性要求的引气量取决于相应的混凝土强度等级。
According to the investigations on a series of experiments, we conclude that the mechanical strength, resistance to freezing-thaw and dry-wet are all in line with requirements for slope-pro…
实验研究表明 ，固化块的机械性能、抗冻 融性能、耐干 湿性能均满足护坡砖的要求 ，并且浸出液中重金属离子的浓度在国家允许的范围内。
According to the investigations on a series of experiments, we conclude that the mechanical strength, resistance to freezing-thaw and dry-wet are all in line with requirements for slope-pro…
实验研究表明 ，固化块的机械性能、抗冻 融性能、耐干 湿性能均满足护坡砖的要求 ，并且浸出液中重金属离子的浓度在国家允许的范围内。
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