粉煤灰对混凝土抗硫酸盐侵蚀性能影响的试验研究

来源 :公路 | 被引量 : 0次 | 上传用户:jimmyeccic
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
将不同配合比混凝土在不同侵蚀条件下进行抗硫酸盐侵蚀试验,试验结果表明:粉煤灰取代部分水泥可以改善混凝土抗硫酸盐侵蚀能力;粉煤灰取代水泥量越大,混凝土抗硫酸盐侵蚀能力越强,尤其对于高浓度硫酸盐溶液更是这样;粉煤灰混凝土抗侵蚀能力,随侵蚀介质浓度增加,下降的程度较基准混凝土小.
其他文献
英语阅读理解考查的是学生包括词汇、句型、写作技巧等方面的熟练程度,是一种综合性的题型,在英语测试中占有较大的比例.那么,如何提高阅读理解的能力呢?结合教育实践,进行了
本文通过对荣华二采区10
From thermodynamics and kinetics principles,the reason of accelerated decarburization and temperature rising of Fe-C melt in a reactor in which gas is pressured
Recent results of JT-60U towards establishment of physics basis for ITER and advanced tokamak operation are presented. Progress in high integrated performance i
In this paper, taking the 2+1-dimensional sine-Gordon equation as an example, we present the concatenating method to construct the multisymplectic schemes. The
Solving large scale linear systems efficiently plays an important role in a petroleum reservoir simulator, and the key part is how to choose an effective parall
The calculating method of Self-Adaptive Forecasting Method (SAFM) is stated in this paper, which is also used in forecasting Total Telecommunication Service Tra
The Internet Accessible Mathematical Computation (IAMC) framework aims to make it easy to supply mathematical computing powers over the Internet/Web. The protoc
There are well coherences between annual averaged air temperatures at every meteorological station along the Qinghai-Xizang railway, and its 10-year moving aver
当金融时间序列具有分布的厚尾性、波动的集聚性等特征时,传统的方法将难以胜任对风险的准确度量.除了讨论在厚尾分布下如何应用条件极值与无条件极值来度量风险外,还利用历