There are many styles of plastic steel windows, their design performance characteristics are not the same.When you choose, you should better match your needs according to your needs, which is also the main part of cost saving.

           Casement window: it is a conservative type of window, the most widely used, there are two types of open and outdoor.The inner seal is easy to clean the window, but when it is opened, it takes up room space and makes mistakes. It will leak in rainy days.The window leaf waterproof function opens, the indoor space is closed, but the rain damage hardware strength skyeast, higher requirements.The biggest characteristic of casement window is good sealing performance, the window sash can be fully opened, easy to leak and simple structure; the disadvantage is that the high profit hardware is expensive.

           Sliding window: external, high and low push-pull type.The advantages of the sliding window are that it does not occupy the indoor space, beautiful appearance, low price and good sealing performance.High slide rail, micro push, closed type sensitive.The large glass not only increases the indoor writing, but also improves the overall shape of the building.Good shape, not easy to protect, but must be limited by ventilation area.

           Shooting window: a lens window has a structure similar to a flat window, but the position of the hinge (hinge) is opposite and is mounted at the top.The utility model is suitable for small windows such as kitchens, clean rooms, etc., and also suitable for local air conditioners and hotels downstairs.Sometimes it is used with casement and sliding windows.

In the whole process of steel structure design, we should pay attention to conceptual design.It is particularly important in the stage of structure selection and layout.Some of them are difficult to make accurate and reasonable analysis, or based on unclear specifications and mechanical relations, from the overall system structure and system damage mechanism, damage design, test phenomenon and engineering experience, from the overall layout and the detailed measures to determine the control structure.The use of conceptual design can be quickly and effectively conceived, compared and selected in the early stage.The calculation of the structure is simple and accurate, avoiding unnecessary operation in the structural analysis stage.At the same time, it is also the main basis to judge whether the output data of computer internal force analysis is reliable.

Steel structure usually has frame, wood (wood) frame, net frame (shell), cable membrane, light steel, tower mast and other structural types.Its theory and technology are mostly mature.Some problems have not been solved, and there is no simple and practical design method, such as the stability of reticulated shell structure.