Prevention of foundation settlement of steel structure building

How to avoid the settlement of steel structure building foundation, we must first start from the foundation platform. When the steel structure house is more than 25kg per square meter, the basic platform should reach 1kg high, 1m wide and 1m deep, and the settlement of the steel structure house per square meter is more than 35kg, and the round beam and 1.2m foundation should be made according to the site itself.

After the construction of steel structure houses, the early investment is not done well. How to prevent steel structure building foundation from sinking? In simple terms, all steel structures are formed with I-steel or channel steel reinforcement. The invention can prevent the settlement of steel structure building foundation.

In recent years, steel structure houses have been widely used in coal engineering because of their light weight, good seismic performance, flexible structure layout and fast processing and installation speed. In this paper, only one story factory is discussed, namely door rigid light steel structure and steel frame structure, in which door rigid light steel structure is a common structural form. For steel structure houses with large lifting tonnage, the foundation weight is too light, the axial force of column bottom is small, the bending moment is large, and the eccentric distance is too large, which brings some difficulties to the foundation design.

1. Basic bearing characteristics of steel structure plant.

Steel foundation generally adopts single-layer foundation, biased design.

Door rigid frame steel structure house height is not high, no crane. The connection between the column foot and the foundation is generally hinged. The vertical pressure of the superstructure and the horizontal force of the wind load affect only the top surface of the foundation. When the horizontal wind load is loaded, the eccentric bending moment is small and the foundation design is simple.

In order to effectively improve the anti-lateral stiffness of the structure and control the lateral displacement, the lateral stiffness and longitudinal articulation are generally used to effectively improve the anti-lateral stiffness of the structure and control the lateral displacement. The factory is a treat.

Horizontal loads are transferred to the top surface of the foundation through the intercolumn supports. However, in the horizontal aspect, due to the light weight of the steel structure, long natural vibration period, the horizontal seismic effect is relatively small, the control horizontal load is generally the air form of the horizontal brake load of the crane, and the axial force of the two rods is not equal. The formula is based on elastic stability theory.