The simplest framing system supports the dead weight of the mold and concentrates it on a few load points. 最简单的支架系统将承受模具的静载荷,且将这些载荷集中在一些载荷点上。
Because the cradle system does not require strands to be grouted, they can be individually removed, inspected, and replaced, even when there is traffic on the bridge. 因为支架系统不要求用水泥浆添塞绳股,所以即使是在桥上有车辆和行人的情况下它们可以被单独地移除,检查和替换。
The system includes a backup auxiliary system. 此系统还有一个后备的辅助系统。