[請益] 混凝土28天強度
小弟不才請問一些問題
混凝土廠所出廠配比的混凝土
上面明明寫fc'=210kg/cm^2
不過28天抗壓時 有些混凝土強度甚至到428左右
實在太誇張,
想請問到底混凝土廠到底加油添醋了什麼
導致強度高得嚇人
這樣的品管算是合格嗎?
混凝土一定要強度高才好嗎?
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