1 General Principles 1.0.1 The cde was published national technical and policies for the design of concrete sructures,and to ensure structures to be economical,reasonable,reliable,applica- ble,with high quality and using advanced technology. 1.0.2 The code is applicable to the design of reinforcedcone,prestressone and plain concrete load-bearing structures used in industrial and civil buildings,as well as normally constructed structures,but it is not applicable to the design of lightweight aggregate concrete structures,or struc tures using special concrete. 1.0.3 In design besides cmying with the stipulations in the cde the de- sgners shall also confom to the stipulations in relevant current mandatory national standards. 1