简介:摘要:为实现土石坝塑性混凝土防渗墙耐久性技术要求,研究了不同橡胶粉掺量对混凝土防渗墙弹性模量影响,构建了混凝土28d龄期的弹性模量与橡胶粉掺量之间的关系;研究了协同调控橡胶粉掺量和水胶比对塑性混凝土的弹性模量和渗透系数的变化趋势。结果表明,塑性橡胶混凝土防渗墙28d龄期的弹性模量与橡胶粉掺量之间的关系为y=-846.8e-0.021x,其中y为弹性模量,x为橡胶粉掺量;橡胶粉掺量为30kg/m3,可配制渗透系数K≤0.10×10-7cm/s且弹性模量E28d≤1000MPa的塑性混凝土。运用协同调控橡胶粉掺量和水胶比技术,可制备出低弹性模量、高抗渗的土石坝塑性混凝土防渗墙。
简介:摘要本文介绍了可控高抗的分类,详细介绍了目前超高压变电站和特高压变电站中主要应用的磁控式可控高抗和分级式可控高抗的原理,并对变电站中可控高抗的选型进行了分析,力求为今后变电站设计提供参考
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