Prefabricated foundation pit for additionally installing elevator and construction method

Abstract

The invention relates to a prefabricated foundation pit for additionally installing an elevator and a construction method. According to the technical scheme, the prefabricated foundation pit comprisesa foundation pit main body, slope surfaces, a steel bar frame, a concrete cushion layer, a lifting ring, a grounding connecting plate and a column foot anchor bolt. According to the prefabricated foundation pit, the whole foundation pit is used as a prefabricated part, modular design and manufacturing are formed outside a construction site, and quality control is facilitated; the two slope surfaces are arranged on the foundation pit main body, on one hand, concrete pouring during foundation pit main body manufacturing is facilitated, and on the other hand, the effects of flow guiding and drainage can be achieved in the later period; the whole prefabricated foundation pit is simple in structure, construction is conducted in a hoisting installation mode, construction is facilitated, and thetrouble of carrying out a large amount of concrete pouring work on the construction site is omitted; and the time for waiting for concrete curing is not needed, the construction time is saved, the construction cost is reduced, butt joint is rapid, safe and reliable, and the influence of site construction on the site environment and surrounding residents can be effectively reduced.

Description

technical field [0001] The invention belongs to the technical field of elevator shafts, and relates to a prefabricated foundation pit for adding an elevator and a construction method. Background technique [0002] With the improvement of people's living standards, the demand for elevators in people's daily life continues to increase. The hoistway is an important part of the elevator equipment. It can provide a closed space, play the role of sound insulation and shock absorption and protect the safe operation of the elevator. Generally, the shaft of the elevator is a concrete structure. With the development of the elevator, it is impossible to directly install the elevator inside the apartment due to the lack of supporting facilities in the early apartment buildings. When using it, the elevator needs to be installed outdoors through civil engineering or existing steel parts. Build the well. Before the elevator is installed, the well layout must be completed first. The const...

AI Technical Summary

Problems solved by technology

Before the elevator is installed, the well layout must be completed first. The construction of the pit is the most important link in the well layout. The traditional pit construction has the disadvantage of a long construction period, and the workload of concrete pouring on site is large. Rainy weather not only affects the construction period but also affects the construction quality of the pit

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