Assembly type adjustable positioning L-shaped steel pipe column and recycled concrete independent foundation connecting structure and construction method

Abstract

The invention discloses a fabricated adjustable positioning L-shaped steel pipe column and recycled concrete independent foundation connecting structure and a construction method, and relates to the technical field of fabricated steel-concrete composite structures. An L-shaped notch is prefabricated through upper cold-formed thin-walled section steel on an independent foundation, an adjustable bolt is installed at the bottom of an L-shaped steel pipe column, the position of the L-shaped steel pipe column in the independent foundation is adjusted by screwing the bolt, and adjustable positioning is achieved; when the L-shaped steel pipe column is connected with the recycled concrete independent foundation, a fine aggregate concrete post-pouring mode is adopted, and the bolts play a role in reinforcing anchoring. According to the novel connecting structure and method for the assembly type L-shaped steel pipe column and the assembly type independent foundation, positioning adjustability during assembly of the L-shaped steel pipe column is achieved, used materials are simple and easy to obtain, machining is convenient, and the connecting structure and method have the technical advantages of being environmentally friendly, easy to construct, low in manufacturing cost and reliable in connection.

Description

technical field [0001] The invention belongs to the field of prefabricated steel-concrete composite structures, in particular to a connection structure and method of an assembled L-shaped steel tube column with adjustable positioning and an independent foundation of recycled concrete. Background technique [0002] With the continuous improvement of the degree of mechanization in the construction industry, construction industrialization is an inevitable trend in the future development of the construction industry. At present, an important implementation way of building industrialization is the development of prefabricated buildings. The prefabricated steel structures and prefabricated concrete structures in the existing prefabricated building structures develop rapidly, but the prefabricated steel and concrete composite structures develop slowly. Due to the lack of research on the prefabricated steel and concrete composite structure system, the development of this steel and ...

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Problems solved by technology

[0003] In the traditional steel-concrete composite structure, the independent foundation often adopts the cast-in-place construction method, and the construction process is complicated and cumbersome. The foundation needs to be set up on the construction site, the steel bars are bound, and the concrete is poured, and the concrete needs to be cured to reach the design strength before installation. The upper structure, which leads to many disadvantages of the independent foundation under the cast-in-place reinforced concrete column: 1) The construction period is long, which is not conducive to the realization of industrialization of construction; 2) The construction process is easy to cause pollution to the environment, which is contrary to the concept of green construction; 3 ) It is difficult to control the quality of the concrete poured on site, so the quality of the foundation is not easy to guarantee

[0006] According to the structural requirements, the corner columns in residential buildings are L-shaped columns, but there is still a lack of research on the structure and practice of connecting L-shaped steel pipe columns with the corresponding assembled independent foundation in the fabricated steel-concrete composite structure. Therefore, it is necessary to develop a The structure and method of connecting the L-shaped steel pipe column with adjustable positioning and recycled concrete independent foundation has important research and development significance

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