6 methods to reinforce cross road billboard structure
6 methods to reinforce cross road billboard structure
In the past few years we can see that the development of outdoor advertising industry by leaps and bounds, and across the road across the road is a form of outdoor advertising billboards advertising industry high returns a new low cost, usually across the road was built, which is called cross road Longmen. However, any outdoor billboards installed, there may be security risks, then cross the road Longmen billboards, how can we strengthen the risk of hidden to the minimum?
(1) increasing the sectional area method of gantry steel structural members;
This method can not only increase the load carrying capacity of the steel structure members, but also increase the anti deformation ability of the section of the billboard. At the same time, it is widely used in the joints of gantry steel structures, steel plates, bars and reinforced columns. However, because this method is to increase the cross section, which will make the overall cost and its own weight upward trend, the use of occasional restrictions.
(two.Gantry billboard adhesive bonded steel reinforcement method
Stick steel reinforcement method is a method of using coated adhesive on gantry component reinforcement on the billboard plate, compared with other methods is simple, small occupied area, can not change the structure and the appearance of the case, enhance the load capacity across the road signs, but also does not affect the normal operation of the billboard.
(three).Gantry billboard chemical grouting reinforcement method
Chemical grouting is a kind of chemical grout can be filled with concrete cracks into structural cracks as a means to repair, this method can improve the billboard component integrity and durability, generally in the connecting plate and foundation reinforcement used in billboard.
(four).Gantry structure prestressed reinforcement method
The fixed structure method has a good application prospect, but the mechanical calculation is needed, and the rigidity of the steel structure of the billboard can be realized by the method of pre stress reinforcement. The operation method is to use the support bar or the external prestressed steel tie bar to reinforce the billboard steel structure, so as to enhance the component crack resistance and reduce the component deflection.
(five) change the structure, force system, reinforcement method.
This is a kind of structure of the force system to achieve the purpose of advertisement board structure of steel reinforcement can reduce the increase of gantry, the structure deformation and internal force, can improve the load force of steel structure and structure, is a kind of no increase in a solution of internal structure of billboards component is not reduced, with the use of billboards the function and increase advertising space transformation characteristics.
(six) increase the base reinforcement method of gantry billboard base
In the use of chemical expansion bolts or steel, there should be sufficient protection layer and safety factor, on the contrary, should increase the Longmen shelf billboards base, the number of chemical expansion bolts or steel reinforcement.
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