Prefabricated stair with steps capable of being spliced for use and construction method for splicing steps

Abstract

The invention provides a prefabricated stair with steps capable of being spliced for use and a construction method for splicing the steps. The prefabricated stair with the steps capable of being spliced for use comprises a prefabricated stair bottom plate, a plurality of prefabricated steps, a plurality of steel plates, a plurality of high-strength bolts and a plurality of embedded internal thread sleeves. Wherein a plurality of rectangular bosses are arranged on the prefabricated stair bottom plate, and internal thread sleeves are embedded in the two sides of the prefabricated stair bottom plate. Grooves and embedded internal thread sleeves are arranged on the prefabricated steps, and the embedded internal thread sleeves on the prefabricated stair bottom plate and the embedded internal thread sleeves on the steps are connected through steel plates and bolts. The installation method comprises the steps that firstly, the steps are placed through the hooks, the bolt rods and the threaded sleeves according to the corresponding relation of the structures, and secondly, the steps are fixed through the steel plates and the bolts. The method is characterized in that the step is flexible to replace, when the step is damaged, the damaged step is replaced by the same prefabricated step, and the situation that normal use is affected due to the fact that the concrete curing period is long and the curing condition is harsh during maintenance is avoided.

Description

Technical field: [0001] The invention belongs to the technical field of prefabrication and construction of prefabricated concrete structures, and specifically relates to a prefabricated staircase with assembled steps and a construction method for assembled steps. Background technique: [0002] In traditional building construction, the stairs are usually set up on site, then the steel bars are bound, and the concrete is poured. After continuous watering and curing for at least 14 days, the concrete strength can reach the target strength before it can be put into use. The construction process of this method is cumbersome, and a large amount of construction waste and construction sewage will be generated during the construction process. At the same time, once the traditional stair treads are damaged, they can only be rebuilt or simply repaired. The problem seriously affects the normal use. [0003] With the vigorous promotion and development of prefabricated concrete structur...

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems of time waste and inconvenient use caused by the long concrete curing time and complicated process when the current stairs are damaged, the purpose of the present invention is to provide a prefabricated staircase with steps that can be assembled and a construction method for assembling steps

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