GB/T 2992—1998表一直形砖砖号尺寸mm 规格mm一块直形砖半径增大量体积cm3bac配砌尺寸为aT-117211465172× 114× 656575114150T-223011432230× 114× 32T-323011465230× 114× 65T-423017265230× 172× 65T-517211475172× 114× 75T-623011475230× 114× 75T-723015075230× 150× 75T-823017275230× 172× 75T-930015065300× 150× 65T-1030015075300× 150× 75T-1130022575300× 225× 75T-1234511465345× 114× 65T-1334515075345× 150× 75T-1438015065380× 150× 65T-1538015075380× 150× 75T-1638022575380× 225× 75T-1746015065460× 150× 65T-1846015075460× 150× 75T-1946022575460× 225× 75注1 对与竖厚楔形砖或侧厚楔形砖配砌的直形砖而言，配砌尺寸a 等于其厚度c；对与竖宽楔形砖配砌直形砖而言，配砌尺寸a 等于其宽度a2 对于不大于345mm 长的砖而言，砖缝厚度δ 取 1mm ；对于不小于380mm 长的砖而言，砖缝厚度取2mm.GB/T 2992—1998表 2 侧厚楔形砖砖号尺寸mm规格mm外半径mm每环极限块数倾斜角体积cm3ba 大 /a小cT-2111465/35230114× (65/35) × 230T- 2211465/45230114× (65/45) × 230T-2311465/55230230114× (65/55) × 230T-2411475/45230114× (75/45) × 230T-2511475/55230114× (75/55) × 230T-2611475/65230114× (75/65) × 230T-2715065/35300150× (65/35) × 300T-2815065/45300150× (65/45) × 300T-2915065/55300150× (65/55) × 300T-3015075/45300150× (75/45) × 300T-3115075/55300150× (75/55) × 300T-3215075/65300150× (75/65) × 300注：外半经 R0 计算式中，砖缝厚度δ 取 1mm.表 3 竖厚楔形砖砖号尺寸mm规格mm外半径mm每环极限块数倾斜角体积cm3ba 大 /a小cT-4123065/35114230× (65/35) × 114T-4223065/45114230× (65/45) × 114T-4323065/55114230× (65/55) × 114T-4423065/60114230× (65/60) × 114T-4523065/35172230× (65/35) × 172T-4623065/45172230× (65/45) × 172T-4723065/55172230× (65/55) × 172T-4823075/45114230× (75/45) × 114T-4923075/55114230× (75/55) × 114T-5023075/65114230× (75/65) × 114T-5123075/70114230× (75/70) × 114T-5223075/45172230× (75/45) × 172T-5323075/55172230...
