砂箱内框尺寸为400mmx400mmx120mm填砂量共为30.72kg试计算型砂密度-X题卡

100mmx100mmx100mm 70.7mmx70.7mmx70.7mm 150mmx150mmx150mm 50.5mmx50.5mmx50.5mm

0.226m³ 0.227m³ 0.228m³ 0.229m³

100mmx100mmx100mm 150mmx150mmx150mm 50mmx50mmx50mm 200mmx200mmx200mm

50mmx50mmx50mm 100mmx100mmx100mm 150mmx150mmx150mm 200mmx200mmx200mm

1200mmx1000mm 1200mmx800mm 600mmx400mm 1100mmx1100mm

600mmx400mm 800mmx600mm 400mmx400mm 800mmx800mm

1200mmX760mm 900mmX700mm 1070mmX760mm 1160mmX800mm

390mmx240mmx240mm 390mmx240mmx190mm 390mmx190mmx190mm 390mmx240mmx120mm

1200mmx1000mm 1200mmx800mm 600mmx400mmm 1100mmx1100mm

180mmx180mm 240mmx180mm 120mmx180mm 240mmx240mm

可以从600mmx400mm按倍数系列推导出来可以从600mmx600mm按倍数系列推导出来可以在满足600mmx800mm的基础模数的前提下，从卡车或大型集装箱的分割系列推导出来可以在满足600mmx400mm的基础模数的前提下，从卡车或大型集装箱的分割系列推导出来

边长为150mmx150mmx450mm的棱柱体试件。边长为150mmx150mmx600mm的棱柱体试件。边长为100mmx100mmx300mm的棱柱体试件。边长为100mmx100mmx400mm的棱柱体试件。

100mmX100mm 200mmX200mm 150mmX150mm 120mmX120mm

1200mmX760mm 1500mmX700mm 1200mmX800mm 1800mmX800mm

承重独立砖柱，截面尺寸不应小于240mmx240mm 240mm厚承重砖墙上设6m跨大梁时，应在支撑处加壁柱毛料石柱截面尺寸不应小于400mmx400mm 毛石墙厚度不宜小于350mm

4.5mmx4.5mmx4.5mm 3.5mmx4mmx7mm 3mmx4.5mmx7.5mm 2.3mmx4.5mmx9.2mm

10mmX10mmX50mm 10mmX10mmX55mm 15mmX15mmX50mm 15mmX15mmX55mm

300mmx900mm 250mmx700mm 250mmx450mm 300mmx400mm

400mmx400mm 420mmx320mm 300mmx200mm 520mmx420mm

承重独立砖柱，截面尺寸不应小于240mmx240mm 240mm厚承重砖墙上设6m跨大梁时，应在支撑处加壁柱毛料石柱截面尺寸不应小于400mmx400mm 毛石墙厚度不宜小于350mm

砂箱内框尺寸为400mmx400mmx120mm，填砂量共为30.72kg，试计算型砂密度。