Qingdao KXD Steel Structure Co., Ltd
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Pre-engineered buildings are defined by the following geometrical parameters: Building width, Length, Eave height, Roof slope, Sidewall bay spacing, end wall bay spacing and main frame module space. Also design loads are the basic parameter.
Building Length and width are defined by the distance between steel lines. Extreme surface edges of girts and purlins are treated as steel line. Sum of side wall bay spaces will be equal to the building length.
Eave height is the distance from Finished floor level to inter section point of roof and sidewall steel line.
Roof Slope is defined as the ratio between vertical distance and horizontal distance of the roof surface. Standard roof slopes are 0.5:10 and 1.0:10
To describe the side wall bay spacing, main frame column spacing to be referred start from back end wall steel line to right end wall steel line. Same way back end wall and front end wall bay spacing to be given from left side wall steel line to right side wall steel line.
Pre-engineered buildings offer complete freedom of design to accommodate customers need. KXD has particularly developed several types to offer optimized economical configuration for customers to choose from according to space, span, crane and architectural requirements.
When building width is less than 25m, clear span frame will provide un-interrupted clear work space in the building. When building width is more than 25m, it will not be an economical choice to the customer.
The width of the buildings may vary from 30m to 90m depending upon the number and type of aircraft. Hangers up to 60m clear span are economically built using pre-engineering building system; however, for span exceeding 60m, a structural truss-column system becomes more economical.
The introduction of interior columns allows for greater spans without internal gutters and rainwater pipes. This type of design optimizes bay spacing, building weight and therefore cost.
Single Slope buildings are offered with single or multi-span modular options. Straight or tapered columns are available.
Multi Gable Buildings are maintaining a low ridge height for very wide buildings.