1. Construction technology1. Preparation before construction1.1 Technical preparation1.1.1 Drawing reviewReview the drawings according to the effect of each facade of the exterior wall and the plane d...

1. Construction technology1. Preparation before construction1.1 Technical preparation1.1.1 Drawing reviewReview the drawings according to the effect of each facade of the exterior wall and the plane d...

Preliminary requirements and handling methods1. Requirements for concrete floors:1) The concrete is required to be flat and dense, and the strength is not lower than C20;2) The ground flatness general...

Preliminary requirements and handling methods1. Requirements for concrete floors:1) The concrete is required to be flat and dense, and the strength is not lower than C20;2) The ground flatness general...

1. Preliminary requirements and handling methods1. Requirements for concrete floors:1) The concrete is required to be flat and dense, and the strength is not lower than C20;2) The ground flatness gene...