【摘要】 混凝土作为重要的建筑材料之一,它的强度高低直接影响着建筑物的安全使用。因此,应从混凝土的原材料、配合比、施工工艺等多方面加以分析和控制,以确保混凝土的强度。更多还原

【Abstract】 Concrete is one of the important building materials, the concrete strength directly influences the safe uses of the buildings.So, the concrete strength should be analyzed and controlled from the raw materials, the burden rate, construction technology and other factors to make sure of it.更多还原