The concrete is often made with foam, fly-ash or other waste materials to make it lighter as well as cheaper.
混凝块是用泡沫、尘土和其它废料制成的，以使它更轻和更便宜。Concrete floors during hydration of cement shed considerable heat, the internal temperature rise, pull stress caused on the surface.
后期在降温过程中，由于受到基础或老混凝上的约束，又会在混凝土内部出现拉应力。A coagulation-anaerobic hydrolysis-biological aerated filter process used for washing and bleaching effluent advanced treatment was studied.
采用混凝水解曝气生物滤池工艺对制浆造纸中段废水进行了深度处理。Football fans around the world have been known to make replicas of the World Cup trophy out of papier-mache.
大家都知道世界各地的足球迷会使用混凝纸浆来制作世足赛奖盃复制品。By means of coagulation, the experiment analyzed factors affecting functions of activated diatomite in processing low concentration sewage.
采用混凝搅拌试验，对影响活化硅藻精土处理低浓度污水的各项因素进行分析。Researches on improvement of coagulants and flocculent efficiency, process optimization and on-line monitoring and controlling as well.
混凝和絮凝方法在废水处理中的净化效率的提高、条件优化和在线监控等。So it indicates that aluminum sulfate coagulation is one of the effective methods for the tertiary treatment.
则硫酸铝混凝是一种有效的深度处理方法。It shows that the potassium permanganate composite (PPC) has a very good effect on coagulation treatment in the result of the experiment.
实验结果表明：高锰酸盐复合药剂对混凝处理具有较好的强化作用；On the static loading test, to obtain a more precise result, the HJ series of concrete sensor was used to measure concrete crack width.
在静载试验中对混凝土裂缝宽度的量测采用HJ系列混凝应变计，获得了较精确的试验结果。