If you want to make a staircase decoration in your home, you can first come to know our double-running stairs . How do we design our double-running stairs? What are the benefits, and what are some of the types of stairs? Is there a style of double-running staircase design that we can directly adopt? Especially what should be noticed during the double-running stairs. First, the design of the double-running stairs 1. Double-running stairs is a form of stairs and is the most widely used form. It is between two slab layers and includes two parallel and oppositely directed steps and an intermediate rest platform. Designers often make two steps equal in length, saving space. 2. Designed as a double-running staircase, the step size should be 150mm~300mm, adopt C25 concrete, the board adopts HPB235 steel bar, the beam longitudinal reinforcement adopts HPB335 steel bar, and the live load is 3.0KN/square. Due to the small span of the stairs, a slab staircase is used. Second, the type of double-running stairs 1. Reinforced concrete stairs: There are many advantages in structural rigidity, fire resistance, cost, construction and modeling, and the application is most common. The construction methods of reinforced concrete stairs are three types of integral cast, prefabricated, partially cast and partially prefabricated. 2, wooden stairs: because the fire can not be fired, the scope of application is limited. There are two types of dark step and clear step. Stepped in the groove of the stair beam (also known as the stair gangway) is a dark step; nailed to the oblique beam triangle is a clear step. The surface of the wooden staircase is protected with paint. 3. Steel stairs: used in factories and warehouses. In public buildings, it is often used as a fire evacuation staircase. The load-bearing members of steel stairs can be made of steel, and the joints of each member are generally bolted or welded. The surface of the component is rust-proof with paint. Steps and platform plates should be embossed with embossed or sheet steel. In order to reduce the noise and consider the finish effect, an elastic surface layer or a surface layer such as concrete or stone can be laid on the steel pedal; or a reinforced concrete or stone step can be laid directly on the steel beam, which is called a combined staircase. Third, the double-running stairs precautions 1. The empty living room is really stylish, but due to the restrictions of the venue, some people can only use the stairs to make a small stairwell. In fact, it is too narrow and is insulated from the style. It is nothing more than adding a mini "patio" to the living room. Its biggest role is to increase the operating expenses of the air conditioner. 2, the stairs have a very clear directivity, facing the stairs, who will involuntarily pick up the level. Therefore, the stairs at the entrance should not be directed to the corridor leading to the bedroom area to direct people's attention to the private space. The above is some of our design explanations for this double-running staircase. I hope that I can help my friends, and there are some kinds of differences when designing our double-running stairs. Everyone can choose a good one. As for our double-running stairs, we install them. When you have any precautions, please ask your friends to pay more attention. Our decoration home network has more decorative information and everyone to pay attention to thank you! More related wonderful reading: What are the design of the house stairs? House stairs design feng shui taboo What are the stairs of the jump stairs? Indoor staircase size standard, interior staircase design skills Stair step height introduction, stair step installation What are the renovation spiral staircases? Renovation of the spiral staircase case appreciation
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