酸雨有可能造成硫酸盐侵蚀和酸侵蚀双重的危害。
Acid rain may possibly cause the double harm for the sulfuric attack and the sulfate attack.
研究了粉煤灰对混凝土抗硫酸盐侵蚀性能的影响。
The paper aims to study the effect of fly ash on concrete to sulphate attack.
石膏的形成导致硫酸盐侵蚀水泥基材料产生膨胀开裂。
The gypsum formation causes the expansion of materials based on cement exposed to sulfate bearing solutions.
偏高岭石混凝土的抗硫酸盐侵蚀能力不低于掺硅灰的混凝土。
And concrete prepared with Metakoalin will be just as good as concrete prepared with silica fume in terms of resistance to sulphate attack.
因此，对掺合料混凝土抗硫酸盐侵蚀性能研究有重要的实际意义。
Therefore, it has a strong scientific and practical significance of studying the concrete with admixture for anti-sulfate corrosion performance.
矿物掺和料的掺入不能改善混凝土的抗干湿循环-硫酸盐侵蚀性能。
It also indicates that the addition of mineral admixtures in concrete might not improve the cyclic sulfate resistance of concrete.
采用经加工处理的石英集料，可以提高水泥砂浆的抗硫酸盐侵蚀性能。
The mortar made with treated quartz sand can improve the function of the sulfate attack resistance of the interface structure of mortar.
多元矿物掺合料复掺措施有利于改善混凝土的抗硫酸盐侵蚀及抗干湿循环性能。
The measure of multi-elements mineral admixtures mixing is propitious to improving the performance of resistance to concrete sulfate attack and concrete dry-wet cycles.
矿物掺和料通过密实填充效应明显改善混凝土抗氯离子渗透性、耐硫酸盐侵蚀性。
Mineral composite could greatly improve the chlorion penetration resistance and the sulphate corrosion resistance by filling up the pores in concrete.
阐述了混凝土抗硫酸盐侵蚀专家系统的系统设计、总体设计、功能模块及其特点。
The system and general design, functional models and characteristic of a concrete resist reinforcing sulfate corrosion expert system are described.
研究结果表明，与标准养护相比，蒸养可导致混凝土抗硫酸盐侵蚀性能明显劣化；
The results indicate that the sulfate resistance performance of steam-cured high strength concrete is worse compared with that cured in standard conditions;
多元灰预测模型呈现出较高的精度以预测硫酸盐侵蚀环境下混凝土的强度劣化规律和服役寿命。
Multivariate grey prediction model shows enough precision to predict the strength development and service life of concrete subjected to sulfate environment.
该胶凝材料浆体具有高强、较低孔隙率、较少的有害孔、抗硫酸盐侵蚀和耐辐照性能好的特点。
RAAASCM cementitious materials pastes exhibit high strength, low porosity, fewer harmful pore, and high resistance to sulphate corrosion as well as gamma irradiation.
该胶凝材料浆体具有高强、较低孔隙率、较少的有害孔、抗硫酸盐侵蚀和耐辐照性能好的特点。
RAAASCM cementitious materials pastes exhibit high strength, low porosity, fewer harmful pore, high resistance to sulphate corrosion and to gamma irradiation.
研究了水灰比、胶砂比、试件尺寸、预养方式、溶液浓度及温度对混凝土硫酸盐侵蚀速度的影响。
The effects of water cement ratio, cement sand ratio, specimen size, pre-storage method, solution concentration and temperature on the rate of concrete sulfate attack were investigated.
引起混凝土结构耐久性损伤的因素很多，硫酸盐侵蚀是引起混凝土耐久性损伤失效的重要环境因素之一。
There are many factors which can cause concrete structure durability damage. Sulfate attack is one of the important environmental factors that causes the damage of concrete durability.
由于地下水位高，造成地下水对渠道混凝土板的渗透破坏、冻胀破坏、硫酸盐侵蚀破坏和膨胀土膨胀破坏。
The high level underground water causes damages on the concrete board of the canal such as seep, freezing, sulfate erosion and swelling by swelled ground.
通过混凝土的抗硫酸盐浸泡试验，系统研究了矿渣、膨胀剂等矿物掺合料对混凝土抗硫酸盐侵蚀性能的影响。
To systematically study the effects of mineral admixtures such as slag, expanding agent on sulfate resistance of concrete, a series of concrete immersion test was carried out.
笔者对水泥混凝土硫酸盐侵蚀的机理、影响因素进行了分析与探讨，并提出了防止混凝土硫酸盐侵蚀的一些方法措施。
The mechanism and influential factor of sulfate attack of concrete are analyzed and investigated, and some avoiding measures are proposed.
设计了一个BP神经网络网络模型来分析解决这一问题，研究处于硫酸盐侵蚀下混凝土结构使用寿命与环境侵蚀介质间的关系。
BP neural network model is designed to analyze and solve the problem, the relationship of operational life of concrete construction and environmental corrosion mediator.
试验结果表明，添加了40%以上粉煤灰的混凝土仍有较好的强度，较好的抗氯离子渗透、抗硫酸盐侵蚀等性能，且具有较小的体积收缩率。
The results show that concrete with 40 percent fly ash has good properties of strength, resistance permeating of Cl-and resistance erosion of sulfate. Besides, it has a small shrinkage ratio.
研究了激发剂对化工废石膏—粉煤灰新型道路建筑材料的强度和自由线膨胀率等性能的影响，以及减水剂的作用和新型道路建筑材料的抗硫酸盐侵蚀性能等。
The influence of activator on strength and free linear dilatability and sulfate resistance of chemical waste gypsum - fly ash new road building material as well as action of water reducer are studied.
研究了中性钠盐碱矿渣水泥在酸性溶液、硫酸盐溶液和海水中的抗化学侵蚀性能。
The resistance to chemical attack of NSAAS cement in acid solution, sulfate solution, sea water was studied.
结果表明，少量亚硫酸盐的加入使显影后的银颗粒从紧密结构变成粗银丝结构，并且发现有生成侵蚀坑的现象。
The results show that in the presence of small amount of sulphite, the structure of developed grain changes from compact to filamentary and etch pit can be found.
硫酸盐对混凝土的侵蚀作用主要与土壤中硫酸盐的含量以及其饱水程度有关。
The erosion of sulfate to concrete is mainly related to the content of sulfate in soil and the saturation level.
硫酸盐对混凝土的侵蚀作用主要与土壤中硫酸盐的含量以及其饱水程度有关。
The erosion of sulfate to concrete is mainly related to the content of sulfate in soil and the saturation level.
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