SELF-CONSOLIDATING CONCRETE FOR SLIP FORM CONSTRUCTION: MIX DESIGN METHOD AND APPLICATION
Recent research has demonstrated that the concept of self-consolidating concrete (SCC) can be used to design a special concrete that not only can self-consolidate but also hold its shape right after casting. Such a special concrete is of a great potential for slip form (SF) construction, and it is therefore called SF SCC. In this paper, the relationships among the flow ability, self-consolidating ability, and shape-holding ability of various concrete mixtures are examined. The mix design procedure for SF SCC is developed, and the performance criteria for designing SF SCC are established. The proposed method has been applied for designing SF SCC mix proportions using materials from different field sites. The results from a lab simulation of a field slip form paving process and a field paving construction trial have approved that the proposed SF SCC mix design method is applicable and reliable.
self-consolidating concrete slip form construction miz design
K.Wang S.Shah G.Lu J.Grove
National CP Tech Center, Iowa State University, USA ACBM Center, Northwestern University, USA SHAW GROUP, USA FHWA, USA
国际会议
长沙
英文
734-744
2009-06-05（万方平台首次上网日期，不代表论文的发表时间）