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- Retrofit and repairmentnt of concrete structure by FRP for resistance of shear force is a main application. FRP抗剪加固是FRP加固应用的一种主要方式,目前研究重点主要针对梁和柱;
- In this experiment,the abrasion resistance of concrete mixed with expansive compound mineral admixture is studied. 试验研究了添加膨胀组分的复合矿物掺合料的混凝土耐磨性能。
- The effects of Water-cement(w/c) ratio and mineral admixture on the frost resistance of concrete were studied. 研究了水灰比、掺合料、引气剂对混凝土抗冻性能的影响。
- The conclusion shows the method fits and the mineral admixture can reduce the pore porosity of concrete and improve the compactibility and freezing resistance of concrete. 结论对于混凝土冬季施工更合适未用自然变低温养护的方法,掺入适量的掺合料能使混凝土孔隙率显著降低,使混凝土更加密实,提高混凝土的抗冻性。
- The two silanes improve acid rain resistance of concrete greatly and prolong its service life of concrete greatly in acid rain environment. 两种硅烷可有效提高混凝土耐酸雨性能,有效延长混凝土在酸雨环境下的服役寿命。
- The high ductility and cracking resistance of Engineered Cementitious Composites(ECC)may greatly enhance the durability of concrete structures. 而工程复合材料ECC的高延展性和抗裂性将大大改善混凝土结构的耐久性。
- There are two criteria,the change of relative dynamic elastic modulus(RDM)and the mass of scaling,for evaluating the resistance of concrete. 采用快速冻融法,以剥落量和相对动弹性模量作为混凝土抗盐冻性能的评定指标,研究了混凝土在3。
- The machine rests on a bed of concrete. 机器安装在混凝土基座上。
- There are two criteria,the change of relative dynamic elastic modulus(RDM) and the mass change,for evaluating the frost resistance of concrete. 采用快速冻融法,以质量变化和相对动弹性模量作为混凝土抗冻性能的评定指标,研究了聚丙烯腈纤维在三个体积掺量0。
- 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. 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。
- The statue rests on a bed of concrete. 这座雕像立在混凝土的基座上。
- Grouting technology to enchance seepage resistance of bare rock mass 裸露岩体防渗加固的灌浆技术
- These buildings are made of concrete and steel. 这些房屋是用钢筋混凝土建成的。
- The freezing and thawing resistance of concrete mixture was investigated with the addition of such highly active RHA at ratios of water to binder in mass of 0. 65的掺高活性稻壳灰混凝土的抗冻融特性,分析了气泡及空气量对高活性稻壳灰混凝土的抗冻融特性的影响。
- It can be used to improve the concrete cracking resistance and seepage resistance. 具有改善混凝土抗裂能力、抗冲击抗磨耗能力等作用。
- The gravel ingredient of concrete. 石碴组成混凝土的砂料
- The relationship of the corrosion rate of steel and the resistance of concrete was studied to characterize the macro-cell corrosion of reinforcement in the concrete containing chloride. 为了确定含氯混凝土中钢筋的宏电池腐蚀的特性,研究了钢筋腐蚀速度与混凝土电阻间的关系。
- Experimental study shows the corrosion resistance of this kind of concrete is about3-4 times of the ordinary concrete since the osmosis ability of chloride ions in this concrete was greatly reduced. 文中简介了大掺量矿渣微粉抗海水腐蚀混凝土在一些工程中的应用情况。
- With the early frostbiting and its principle, it is concluded that freezing resistance of concrete during early setting process has much relevance to the formed microstructure of cement stone. 从混凝土的早期冻害及机理入手,得出了硬化初期混凝土的抵抗冻害与水泥石微观结构形成有密切关系。
- The light bulb has a resistance of 120 ohms. 灯泡有120欧姆的电阻。