Reinforced concrete slab specimens were subjected up to 70 cycles of wetting and drying by ponding 4.0% sodium chloride solution and drying in atmospheric air.
英
美
- 钢筋混凝土版试样以浓度4%25之氯化钠溶液浸置其表面再于空气中乾燥,反覆乾湿循环70次。