| 摘要 |
A prefabricated staircase module (10, 11) comprises a first step and a secon d step, each step (14) having a tread member (13) and a riser member (15). The staircase module further has fixing means (31) for fixing the module to a sloping surface on which it is laid. The steps in a module may be connected to each other by a rigid or flexible bridging member (19), and the tread member (13) may be curved. Different designs and configurations of the prefabricated modules may be combined into a staircase assembly, the modules which can be chosen according to the gradient of the underlying surface on which the staircase is to be constructed.
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