First, the floor boards
Also known as steel plate, construction steel sheeting, galvanized steel sheet by roll roll forming, a V-shaped cross-section, U-shaped, trapezoidal or similar shape these types of waveforms, mainly used as permanent formwork, but also It was chosen for other purposes.
During use as floor boards concrete slab tensile reinforcement also improves the stiffness of the floor, saving the amount of steel and concrete.
Pressure plate embossed surface between the floor boards to make concrete and have the greatest binding force, so that the two form a whole, with stiffening ribs, so the floor plate system with high-strength bearing capacity.
Pressure plate combination plate (floor boards, steel plate) is a very reasonable structure, it can according to its various components and characteristics of the location, full of steel and concrete tensile compressive performance advantages and it has a good seismic performance, construction performance. This structure is widely used in many domestic and foreign high-rise buildings.
 
Floor boards and a reinforced concrete slab Compare
1. The floor boards can be used as a permanent template situ concrete, eliminating the need for installation and removal of the template construction process;
2. After installing the floor boards can be used as construction platforms, while not having to use a temporary support, nor under the influence of a plane layer of the construction work;
3. The floor boards can be used as the bottom floor muscle use, reducing the workload of installation Ligament;
4. The pressure plate shape just different interfaces, up to 30% reduction in the amount of concrete floor, floor to reduce weight but also can reduce the corresponding beams, columns and foundation size, improve the overall performance of the structure;

Second, steel workers
Said steel beam, the cross-section of the strip-shaped steel. The specifications to waist high (h) * leg width (b) * waist thick (d) the number of millimeters, such as "work 160 * 88 * 6", it means that the waist height 160 mm, leg width of 88 mm, waist thickness 6 mm steel workers. I-beam sub-ordinary beam, light beam and H-beam three.
Ordinary workers steel and light steel workers to the edge of the wing root cause gradual thinning, there is a certain angle. Because of their relatively high cross-sectional dimension, narrow, so the cross-sectional moment of inertia of the two main sleeve quite different, therefore, generally used only for members subjected to bending in the plane of the web or its constituent lattice force member . For axial compression members or perpendicular to the plane of the web as well as curved components are not adopted, which is its has great limitations on the scope of application.
Beam widely used in various building structures, bridges, vehicles, support, machinery and so on.

Three, C-shaped steel
Are hot-cold-formed coil processing, and processing by the C-shaped steel forming machine it is automatically made.
Thin wall, light weight, excellent performance cross-section, high strength, compared with the traditional channel, the same material strength can save 30%.
C purlin divided according to different heights 80,100,120,140,160 five sizes, length can be determined according to the project design, but taking into account the conditions of transportation and installation, length is generally not more than 12 meters.
C steel is widely used in steel building purlin, wall beams, can also be combined into its own lightweight roof trusses, brackets and other building components. In addition, it can also be used in other mechanical light manufacturing columns, beams and arms.

Four, H-beam
Is a cross-section by the mechanical properties of steel to optimize the word evolved more excellent economic-section steel sections, especially with the English letter "H" the same name. H-beam into, wide flange beam (HW), the H-beam flange (HM), the narrow flange H beam (HN), thin-walled steel H (HT), H-beam (HU).