ASTM C1858/C1858M-24
承受地震地面运动区域用石膏板产品的直接悬挂悬挂T型天花板系统的设计、施工和材料要求的标准实施规程
Standard Practice for Design, Construction, and Material Requirements for Direct Hung Suspended T-bar Type Ceiling Systems Intended to Receive Gypsum Panel Products in Areas Subject to Earthquake Grou