Introduction of the technology of the bamboo OSB composite slab beam

The finite element parameter analysis method is used to study the stress and displacement distribution. The effects of the rubber, I-beam structure, flange composition and OSB composite on various beam structure types are considered, and the bending test of the selected mode is adopted. The numerical results are compared and analyzed. Based on experimental research and mathematical analysis, the authors have introduced reasonable design specifications for this type of composite slab beam. When used as a structural beam or joist, bamboo can improve the flexibility of OSB; for example: OSB beam with a size of 30mm X 140mm for a given cross section, double layer (6.4mm thickness per layer) laminated bamboo flange can make OSB The maximum bending stress of the beam is increased by 60%-70%, and the stiffness is increased by 1 time; the total thickness of the flange, rather than the thickness of the single layer, controls the deformation of the beam. A flange with a thinner thickness (3.2 mm) layer results in higher bending stress (vertical bending stress and lateral bending stress) but lower plane shear stress. If a better reinforcement material is applied to the composite slab beam, the maximum bending stress can be reduced; however, the weight of the beam increases and the processing cost increases.

The author believes that a double-layer flange composite slab beam is superior to other structural types of ebony OSB composite slab beam products in terms of process and engineering performance.

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