Lightweight high-strength ceramsite concrete mixture and preparation method thereof

The invention relates to the technical field of concrete, and discloses a lightweight high-strength ceramsite concrete mixture and a preparation method thereof.The preparation method comprises the following steps that 1, materials are prepared, specifically, Portland cement, ceramsite, fine sand, waste fiber lines, a polymer modifier, a water reducing agent and a reinforcing agent are correspondingly prepared from raw materials according to the proportion; step 2, material mixing: putting the Portland cement, the ceramsite and the fine sand into a concrete mixer, gradually adding the waste fiber lines, and uniformly mixing; step 3, adding a polymer modifier; step 4, adding a water reducing agent and a reinforcing agent: according to the proportion, gradually adding the water reducing agent and the reinforcing agent, and continuously stirring; step five, mixing: fully stirring the mixture to ensure that all the components are fully mixed; and step 6, detecting and packaging: detecting that the moisture content