作业帮英语翻译Good workability at construction site is essential for h
来源：学生作业帮 编辑：拍题作业网作业帮 分类：英语作业 时间：2024/05/22 08:00:53
英语翻译
Good workability at construction site is essential for high quality concrete since concretes of bad workability are prone to yield low strength and poor durability properties since placement and consolidation procedures cannot be performed properly.Nevertheless,this is what usually encountered in practice because slump loss is indispensable particularly when long delivery times are the case.This would be more pronounced when mineral additives are incorporated into the concretes.In this study,concretes of C25/30 class with fly ash and silica fume were produced and slumps were measured with time elapsed.At the end of each agitating period,the slumps of the mixtures were restored to the initial slumps using a superplasticizer and specimens were thereafter prepared for strength measurement.The effectiveness of using fly ash and silica fume in concrete in relation with slump loss was sought by determining the amount of superplasticizer used.Regardless of the mixture recipe,it can be concluded that as the total amount of cementitious materials increases in the concrete mix of the same initial slump,the slump loss
with the elapsed time decreases.
Good workability at construction site is essential for high quality concrete since concretes of bad workability are prone to yield low strength and poor durability properties since placement and consolidation procedures cannot be performed properly.Nevertheless,this is what usually encountered in practice because slump loss is indispensable particularly when long delivery times are the case.This would be more pronounced when mineral additives are incorporated into the concretes.In this study,concretes of C25/30 class with fly ash and silica fume were produced and slumps were measured with time elapsed.At the end of each agitating period,the slumps of the mixtures were restored to the initial slumps using a superplasticizer and specimens were thereafter prepared for strength measurement.The effectiveness of using fly ash and silica fume in concrete in relation with slump loss was sought by determining the amount of superplasticizer used.Regardless of the mixture recipe,it can be concluded that as the total amount of cementitious materials increases in the concrete mix of the same initial slump,the slump loss
with the elapsed time decreases.
在施工现场能够拥有良好的加工性能,是提高品质的重要条件,因为混凝土的和易性不好,容易产生混凝土强度低,在浇灌和凝固是容易出现差错.不过,通常在实践中遇到少量坍塌引起损失是必不可少的,尤其是当交货时间长的情况.这将更加明显,当矿物添加剂进入混凝土内.在这项研究中,混凝土,粉煤灰和硅粉的生产是经过时间与实测C25/30类.在每个搅拌期末,该混合物的减少是恢复到使用高效减水剂,并准备以后的强度测量试样的初始衰退.对利用粉煤灰和二氧化硅与混凝土坍落度损失的关系烟的有效性寻求通过确定高效减水剂的使用量.无论混合配方,可以得出结论,由于增加胶凝材料在相同的初始坍落度混凝土配合比,坍落度损失总额与所用的时间减少.
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