초록

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Abstract ▼ AI-Helper

Concrete structure is recognized as the universal structuring material for its outstanding formability, economic efficiency, and strength development. However, as the ageing of field workers and the deficiency of skilled workers due to evasions from 3D business have recently become the major issues ...

Concrete structure is recognized as the universal structuring material for its outstanding formability, economic efficiency, and strength development. However, as the ageing of field workers and the deficiency of skilled workers due to evasions from 3D business have recently become the major issues of the industry in Korea and as the materials are becoming more diversified and complicated for today's concrete structures are becoming higher, larger, and specialized, the need for practicality of construction work based on new technology and new method has greatly increased. Therefore, the overall condition of today's construction business requires researches and developments on the high fluidity concrete for higher construction efficiency and quality improvements. With this reason, this study investigated study development tendency and development situation of the high fluidity concrete, arranged experiment performance, and domestic or international specification used in performance valuation of the high fluidity concrete.