CONCRETE FOR JOINTING AND METHOD OF JOINTING USING SAID CONCRETE

摘要

A concrete for jointing which exhibits not only good bonding to an existing concrete structure, but also satisfactory performance with respect to strength, durability, easiness in construction and the like, characterized in that it has a slump of 2 to 8 cm, comprise an AE water reducing agent or a high performance AE water reducing agent and has a water cement ratio of 35 to 45 % and a sand percentage of 36 to 42 %.