简要介绍提高混凝土抗渗性的措施。
The measure of impermeable concrete construction is briefly introduced.
通过混凝土抗渗性试验、抗硫酸盐腐蚀试验和耐磨性试验，得出施工工艺和混凝土表面质量与混凝土耐久性的关系。
Through permeability resistance test, sulfate corrosion test and abrasion resistance test, the relationship of construction techniques, concrete surface quality and durability was reached.
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。
This article introduces an inorganic protective agent for concrete in cold climate, and the influence on impermeability, freezing resistance and compressive strength were analyzed.
提高混凝土抗渗性通常有两种技术路线，一种是通过第三介质隔断渗透物与混凝土的接触来提高混凝土的抗渗性，另一种是通过提高混凝土自身的密实性来提高混凝土的抗渗性。
To improve the anti-penetrating performance of concrete, there are two ways: one is to insulate concrete from penetrating by third mediums, the other is to promote the impaction of concrete.
针对防水混凝土特点，提出提高其抗渗性措施及施工技术。
This paper puts forward raising its impervious nature and the construction technology according to the waterproof concrete characteristic.
本文研究了石子和砂子的不同粘土含量、石粉含量对混凝土强度、抗渗性和收缩性能的影响。
Effect of clay content and rock powder of gravel and sand on concrete property is studied in this paper, include compressive strength, impermeability and dry shrinkage.
现场检测表明，混凝土未出现裂纹，且抗渗性良好，达到了预期效果。
The detecting results show that concrete has no cracks and has excellent impermeability.
混凝土的密实度是混凝土耐久性及抗渗性的一个重要指标。
The compactness of concrete is an important factor that affects concrete's durability and impermeability.
采用超细粉砂与机制砂复配制备预拌混凝土，研究了其工作性、力学性能和抗渗性。
This study deals with the research on the preparation and properties of premixing concrete with the ultrafine sand and machine-made sand.
黄壁庄水库副坝防渗心墙加固工程所需高性能混凝土，要求和易性好、早期强度低、后期强度高、抗渗性能好、低弹模和高抗拉强度。
The high performance concrete for core wall of earth dam must be good workability, low early strength, high final strength, high seepage resistance, low elasticity modulus and high tensile strength.
研究了聚丙烯纤维和微膨胀复合对混凝土抗折强度、抗渗性和收缩变形的影响。
The influence of compounding polypropylene fiber and expansion on flexure strength, impermeability and the shrinkage deformation is studied.
通过大量试验，系统研究了人工砂高性能混凝土的耐久性，对抗渗性、抗冻性、氯离子扩散系数等项目进行了测试。
Through a great deal of experiments, the durability of HPC with artificial sand are studied systematically. Impermeability, freezing resistance and chloride ion diffusion are tested.
石屑混凝土的抗冻性较天然河砂混凝土要好，抗渗性与天然河砂混凝土相当。
The freeze-resistance of crushed stone dust concrete was better than natural sand concrete. The impermeability of crushed stone dust and natural sand concrete is nearly.
苏通大桥部分桥面调平层超薄，决定采用高性能混凝土并掺入聚丙烯纤维的技术措施，解决超薄调平层混凝土易开裂、抗渗性差等技术难题。
Because of the ultrathin leveling course in Sutong Bridge, high performance concrete with polypropylene fiber is applied to solve some technique problems of easily cracking and worse impermeability.
苏通大桥部分桥面调平层超薄，决定采用高性能混凝土并掺入聚丙烯纤维的技术措施，解决超薄调平层混凝土易开裂、抗渗性差等技术难题。
Because of the ultrathin leveling course in Sutong Bridge, high performance concrete with polypropylene fiber is applied to solve some technique problems of easily cracking and worse impermeability.
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