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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加固應用的一種主要方式,目前研究重點(diǎn)主要針對梁和柱;
- In this experiment,the abrasion resistance of concrete mixed with expansive compound mineral admixture is studied. 試驗研究了添加膨脹組分的復合礦物摻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、摻合料、引氣劑對混凝土抗凍性能的影響。
- 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. 結論對于混凝土冬季施工更合適未用自然變低溫養護的方法，摻入適量的摻合料能使混凝土孔隙率顯著(zhù)降低，使混凝土更加密實(shí)，提高混凝土的抗凍性。
- The two silanes improve acid rain resistance of concrete greatly and prolong its service life of concrete greatly in acid rain environment. 兩種硅烷可有效提高混凝土耐酸雨性能，有效延長(cháng)混凝土在酸雨環(huán)境下的服役壽命。
- The high ductility and cracking resistance of Engineered Cementitious Composites(ECC)may greatly enhance the durability of concrete structures. 而工程復合材料ECC的高延展性和抗裂性將大大改善混凝土結構的耐久性。
- There are two criteria,the change of relative dynamic elastic modulus(RDM)and the mass of scaling,for evaluating the resistance of concrete. 采用快速凍融法,以剝落量和相對動(dòng)彈性模量作為混凝土抗鹽凍性能的評定指標,研究了混凝土在3。
- The machine rests on a bed of concrete. 機器安裝在混凝土基座上。
- There are two criteria,the change of relative dynamic elastic modulus(RDM) and the mass change,for evaluating the frost resistance of concrete. 采用快速凍融法,以質(zhì)量變化和相對動(dòng)彈性模量作為混凝土抗凍性能的評定指標,研究了聚丙烯腈纖維在三個(gè)體積摻量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. 通過(guò)混凝土的抗硫酸鹽浸泡試驗,系統研究了礦渣、膨脹劑等礦物摻合料對混凝土抗硫酸鹽侵蝕性能的影響。
- The statue rests on a bed of concrete. 這座雕像立在混凝土的基座上。
- Grouting technology to enchance seepage resistance of bare rock mass 裸露巖體防滲加固的灌漿技術(shù)
- These buildings are made of concrete and steel. 這些房屋是用鋼筋混凝土建成的。
- 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的摻高活性稻殼灰混凝土的抗凍融特性,分析了氣泡及空氣量對高活性稻殼灰混凝土的抗凍融特性的影響。
- It can be used to improve the concrete cracking resistance and seepage resistance. 具有改善混凝土抗裂能力、抗沖擊抗磨耗能力等作用。
- The gravel ingredient of concrete. 石碴組成混凝土的砂料
- 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. 為了確定含氯混凝土中鋼筋的宏電池腐蝕的特性，研究了鋼筋腐蝕速度與混凝土電阻間的關(guān)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. 文中簡(jiǎn)介了大摻量礦渣微粉抗海水腐蝕混凝土在一些工程中的應用情況。
- 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. 從混凝土的早期凍害及機理入手，得出了硬化初期混凝土的抵抗凍害與水泥石微觀(guān)結構形成有密切關(guān)系。
- The light bulb has a resistance of 120 ohms. 燈泡有120歐姆的電阻。
