1989 The load code used is GBJ9-87 Load Code for Building Structures, and the standard value of uniformly distributed load of dining room and canteen in the floor live load table is 2.5KN/m? , the combined value coefficient is 0.7; The standard value of uniform load in restaurant kitchen is 4.0KN/m? The combined value coefficient is 0.7.

The standard load value of canteen floor stipulated in Load Code has not changed in three versions: 1987, 200 1 and 20 12.