Volume B30.27, Material Placement Systems, includes provisions that apply to the construction, installation, operation, inspection, testing, and maintenance of trailer and truck-mounted material placement systems. Included in this are mechanical and hydraulic pea gravel systems, mobile telescoping boom conveyors, separate placing booms, and material placement accessories (see Figures 27-0.1-1 through 27-0.1-8). Truck-mounted material placement systems can be either with or without an integral placing boom.
This Volume does not apply to the conveyor parts of mobile telescoping boom conveyors, mortar conveying and spraying machines, or dry mix shotcreting machines. The conveyor section of these machines is covered byASME B20.1.
第B30.27卷,材料放置系统,包括适用于拖车和车载材料放置系统的建造、安装、操作、检查、测试和维护的规定。其中包括机械和液压豌豆砾石系统、移动伸缩臂输送机、单独的放置臂和材料放置附件(见图 27-0.1-1 至 27-0.1-8)。车载式物料贴装系统可以带或不带一体式贴装臂。
本卷不适用于移动伸缩臂输送机、砂浆输送和喷涂机或干混喷射混凝土机的输送机部件。这些机器的输送机部分由ASME B20.1覆盖。