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stainless steel elevator panels,
stainless steel canopy
Custom Stainless Steel Canopy Platform Awning Rainshed For Building
Benefits of stainless steel canopy rainshed installation
Stainless steel structure canopy rainshed
Stainless steel structure canopy rainshed type
The top of the steel structure glass canopy is tempered glass, or laminated safety glass, both of which are safety glass.
The main structure of the steel aluminium plate canopy is mainly steel structure, the top is made of aluminum plate, the advantage of the aluminum plate canopy: the aluminum alloy will never rust, no deformation, and there is no need to worry about falling objects falling from the high-altitude aluminum canopy, steel The structural aluminum panel canopy is the most cost-effective, longest life canopy, suitable for airports, banks, large supermarkets, government projects, schools, hotels, villas.
PC board canopy can be divided (endurance board canopy, sun board canopy) This rain is characterized by light weight, with a warranty of more than ten years, especially suitable for greenhouse sheds, vegetable sheds, when it rains, the sound is noisy, This is his big weakness.
Color steel tiles are available in a variety of colors. The commonly used colors are grass green and white, and their light weight can reduce the risk of collapse due to snowstorm weather. The installation is spliced to avoid rain.
Stainless steel awning canopy rainshed design
The awning panel is a suspension panel fixed to the awning beam, and its bearing capacity is calculated according to the bending member. The calculated span of the awning takes the length of the picking of the board. The calculation unit takes a 1 m strip and calculates the root of the section taken. The height of the awning plate, that is, the thickness of the awning plate, can be taken from l/12 to l/10 of the length, and ≥ 80 mm. If a variable thickness plate is used, the thickness of the cantilever end of the plate should be not less than 50 mm.
The calculation is based on the following two combinations of loads:
(1) The larger of the uniform live load and the snow load combined with the constant load.
(2) Constant load plus construction or maintenance concentrated load
The canopy beam is subjected to the following loads and produces various internal forces within the beam:
(1) The awning beam doubles as the door lintel and bears the weight of the masonry on the door lintel. Due to the arching function of the masonry, part of the weight is directly transmitted to the pedestal, and only part of the masonry weight acts on the lintel. (See "Masonry Structure Design Code" for details), from which the bending moment and shear force can be calculated.
(2) The self-weight of the canopy beam acts as a uniform load on the beam causing bending moments and shear forces.
(3) The load transmitted from the awning can be calculated according to the concentrated load at the end of the awning and the uniform load on the awning surface, and the larger uniform load on the awning beam is calculated. The distribution of torque and torque is the largest at the ends of the beam and the smallest at the cross.
According to the force characteristics of the awning beam, the section design can be carried out according to the bending, shearing and torsion members to determine the cross-sectional area of the required longitudinal steel bars and stirrups, and meet the relevant structural requirements.
The requirements for anti-overturning verification are met: Mov ≤ Mr
In the formula, Mov is the overturning moment generated by the load design value of the awning plate on the overturning point.
Mr ——The design value of the awning against the overturning moment, and Mr = 0.8 Gr(l2-x0)
Gr - the anti-overturning load of the awning. It is the sum of the constant load standard values of the masonry and floor of the layer and the self-weight of the beam within the 45° diffusion angle of the upper end of the awning beam. The horizontal length l3=ln/2 in the range of 45° diffusion angle, the distance from the point of action of Gr to the outer edge of the wall is l2=l1/2.
The longer the awning beam is buried in the masonry, the more weight the masonry is pressed on the beam, the stronger the ability to resist the overturning. Therefore, when the formula is not satisfied, the awning can be extended at both ends, or other ties can be used. Measures. Generally, when the net span length of the beam is ln<1.5 m, the length a of the beam embedded in the masonry should be a≥300 mm. When ln≥1.5 m, a≥500 mm should be taken.
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