Experimental Study on Non-autoclaved PHC Pile Concrete Applying Polycarboxylate Superplasticizer

来源 :The 10th International Symposium on High Performance Concret | 被引量 : 0次 | 上传用户:fly19791013fly
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  Traditional PHC pile production adopts two-step curing with the disadvantages of high energy consumption, considerable carbon emissions, and easy cracking during construction.On the other hand, non-autoclaved pipe pile studies involve problems such as adoption of naphthalene based superplasticizer and lengthy coated curing duration, thus leading to their few applications.In order to solve the problems, the study on non-autoclaved PHC pile was conducted to systematically study the impacts of curing system, water-binder ratio, and admixture composition on concrete strength, tension-compression ratio, and chloride ion resistance at different ages.
其他文献
Quality of concrete cover is a key factor for concrete durability.In fact, the quality of concrete cover has close relationship with mixture design and curing condition.Present study adopted transient
High performance concrete (HPC) consisting of low water-binder (w/b) ratio and supplementary cementitious materials (SCM) is more prone to shrinkage cracking if subjected to external deformation restr
The traditional mix proportion for concrete used in building field could not meet the requirements for industrialization production any more, and the optimization needs developing to obtain an ideal m
The synergy of hybrid fibers allows for an enhanced concrete composite performance at a lower fiber volume fraction as compared to other types of fiber-reinforced concrete.This paper outlines the deve
After being subjected to different elevated temperatures, ranging between 200 ℃ and 800 ℃, the flexural strength, matrix mass loss rate and water absorption of polypropylene(PP) macro-fiber reinforced
High performance concrete (hereafter, HPC) is well known by its high compressive strength,strong resistance to deformation and excellent durability.Whereas, HPC is prone to spall when exposed to high
Heat-exposed High-Performance Concrete (HPC) has been the subject of relatively few studies focused on the relationship between the chemo-physical processes occurring in concrete constituents (microsc
Concrete consists of many kinds of raw materials, the safety and quality of construction are greatly influenced by the stability of concrete.Thus, how to improve the performance of concrete and constr
Chloride resistant HPC and protective cover are two basic measurements to improve the durability of concrete in chloride environment.Though it provides crucial cover for concrete to resist chloride io
Properties of cement paste were affected significently by fineness of cement which is one of the most important influence factors.Effect of fineness on the rheology properties, strength,hydration and