1, the construction of bagging mode: The template is two-way board should be two-way camber, single board should check bagging, bagging height template center layer between 3 ~ 5 ‰, the second floor and the second floor above the Template Center from arch height between 2 ~ 3 ‰. 2, the hollow tube transport to reach the construction site after unloading may not throw directly to the ground, stacked neatly, not use heavy objects to hit the hollow tube and the pressure placed on the ground and reinforced to stabilize. Must be handled with care when installing hollow tube, construction personnel shall not walk in the hollow pipe installation directly on top of the hollow tube, hollow tube before walking should be laid on top of the wood, or place heavy objects and other jobs directly on top of the hollow tube. Lifting must be used to install a dedicated hanging blue lifting. Do not use a direct cable lashing lifting hollow tube, hollow tube was hanging to the floor after installation should be discharged, should not be re-stacked pile. Unidirectional reinforcement prestressed hollow plate unit schematically - thickness 800 prestressed hollow plate unit bidirectional reinforcement schematically - thickness of 7003, vibrating method: not buried in concrete poured on top of the hollow tube accumulation of more concrete thin tube, After release of the concrete should immediately spread vibrating, less water must adhere to ground shock, prevent exposed reinforced floor below the phenomenon. When the vibrating concrete easy to choose d = vibrating rod 30 may not be used vibrating plate [4]. 4, the hollow tube pitch control: Before pouring the concrete can be used to pull out the wooden post wooden thin tube 60 × 60 is inserted between the two hollow tubes, each rib until concrete poured to fill the initial setting, then concrete the hole filled by the wooden form [4]. 5, concrete pouring methods: a hollow tube sideways direction should be concreting thin tube, start pouring from the center of the plate, then pouring from the center to the periphery diffusion method, or with a fixed inner mold steel fork, fork live within a few rows of mold in pouring vibrated completed, out of steel fork fixed the next row, and so on. Great span prestressed hollow floor construction process EPS: EPS foam is a thermoplastic material, after heating through foam, per cubic meter volume containing 300 - 600 million independent sealed bubble, the volume of air containing 98% or more, Such a structure giving it a number of features. Because the density can be as low 10-30kg / m3 thin plastic tube, therefore EPS is currently the lightest packaging materials, at higher load, this material will be bent when subjected to shock or falling to the ground, he would cushion, shock effect; at the same time, due to the low thermal conductivity properties of the air and because they were closed in the foam can not be convection, so EPS is an insulation performance is excellent material. Yancheng Yingtian EPS Building Material Co., specializing in the production of lightweight stuff, filler rod. pp thin tube _ should be days of building materials (certified) _ Kunming thin tube is made of Yancheng Yingtian Materials Limited. Yancheng should be days of Building Materials Co. (ycytjc.com) (www.ycytjc.com) Jiangsu Yancheng, a leader in building materials processing, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . In the days of building materials should be leading the staff warmly welcome all inquiries negotiations to create the building materials should be days of a better future.