Stair connection joint device

Abstract

The invention discloses a stair connection joint device, which belongs to the field of concrete prefabricated stair. Prefabricated stair slab-surface reinforcement and prefabricated stair slab-bottom reinforcement which are preserved outside the left side of the prefabricated stair are in anchor connection with concrete in a laminate cast-in-place layer, so that the left joints of the prefabricated stair are connected into a whole; and the right side of the prefabricated stair is provided with the prefabricated stair slab-surface reinforcement and slab-bottom reinforcement at the folded slab of the prefabricated stair. Reserved slab-bottom reinforcement of a prefabricated wall plate and the slab-bottom reinforcement at the folded slab of the prefabricated stair are in lap joint in cast-in-place concrete, and reserved slab-surface reinforcement of the prefabricated wall plate and the slab-surface reinforcement of the prefabricated stair are in lap joint in cast-in-place concrete, so that the right joints of the prefabricated stair are connected into a whole. The stair connection joint device has the advantages of saving great man power, and shortening construction period along with environmental protection and energy conservation.

Description

technical field [0001] The invention relates to a staircase, in particular to a connection node device for a concrete prefabricated staircase. Background technique [0002] The components used for inter-floor communication in buildings are composed of continuous steps, platforms and enclosure structures. Stairs must also be set in high-rise buildings with elevators, and the ladders are divided into two categories: ordinary stairs and special stairs. Ordinary stairs include reinforced concrete stairs, steel stairs and wooden stairs, etc. Generally, the construction of stairs adopts the method of cast-in-place concrete, and it is difficult to pour the cast-in-place concrete. Good control. In the actual construction environment, the noise pollution is large, the investment period is long, and the construction speed is slow, which causes pollution to the site environment and high cost. Contents of the invention [0003] The technical problem to be solved by the present inve...

AI Technical Summary

Problems solved by technology

Ordinary stairs include reinforced concrete stairs, steel stairs and wooden stairs, etc. Generally, the construction of stairs adopts the method of cast-in-place concrete, and it is difficult to pour the cast-in-place concrete. good control

In the actual construction environment, the noise pollution is large, the investment period is long, and the construction speed is slow, which causes pollution to the site environment and high cost

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