| 摘要 |
A rib-shaped elevator pit support structure is provided to reduce the time and cost for construction by shaping a pit lower end unit arch to be form. A rib-shaped elevator pit support structure comprises an arch pit bottom unit(100), a floor installation unit(200), a pit support bottom unit(300) and a pit supporting-wall(400). The arch pit bottom unit has an arch-shaped lower part and an inner space with an opened top. The floor installation unit has the arch pit bottom unit. The pit support bottom unit forms the floor of a building, by pouring the concrete on the floor, while surrounding the lower part of the pit support bottom unit. The pit supporting-wall supports while surrounding the movement space of the elevator by being extended upward from the pit support bottom unit.
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