Experimental research on hydration of cement, sunlight temperature field and temperature effect of railway concrete box girder is studied in this paper.
运用试验方法,对铁路混凝土箱形梁的水泥水化、日照温度场及温度效应进行研究。
2
Although it is said that the weight is not light, but in order to prevent the impact of bad weather on the advertising light box, or to build a cement square pier is good.
虽然说广告灯箱的的重量不轻,但为了防止恶劣天气对广告灯箱的影响,还是先砌一水泥方墩为好。
3
The cable saddle is a structure with its HDPE sleeves installed in a rectangular steel box and with the high-grade cement mortar grouted outside the sleeves.