| 摘要 |
PURPOSE: A joint block is provided to extend the service life, and to equalize the intensity by preventing concrete from becoming damaged due to the cracks generated in a cutting process. CONSTITUTION: A joint block(100) comprises a base(110), a fixing unit(121), and an exposed portion(122). The base is made of concrete. The width of the base is narrow and the length is long. The fixing unit is inserted into the base in a longitudinal direction. The exposed portion is integrally formed with the fixing unit. The exposed portion is extended from the upper part of the fixing unit, and exposed to the upper part of the base.
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