Measured properties are slab position, edge profile, slab width (in multiple points) and slabedge thickness.
测量内容包括：板坯位置、边部轮廓、板坯宽度(多点测量)、板坯边缘厚度。
2
First, find an edge of a table or preferably a slab of wood, the advantage of this is portability.
首先，找一个桌边，或者一块厚木板的边缘，厚木板的好处在于轻便易携带。
3
Based on the investigation conducted in China and other counties, a review of the apparent strength of the edge high strength concrete column-normal strength concrete slab joints was presented.