A steel-wood composite I-beam

Abstract

The invention discloses a steel and wood combined I-beam which comprises two pieces of back-to-back C-type steel and battens. Batten connection plates and vertical reinforcing plates are horizontally arranged between the double pieces of C-type steel at certain intervals. The battens are embedded between the two pieces of C-type steel and fixed to the batten connection plates through screws. The reinforcing plates are fixedly connected to the double pieces of C-type steel. The two ends of the double pieces of C-type steel are provided with end fixing elements. The I-beam has the advantages of being unique in design, reasonable in section, quick to process, low in production cost and the like. When the I-beam serves as a formwork to support a distributive girder, the embedded battens can be fixed to the formwork easily. Compared with a batten, the I-beam is longer in service life, stable in material performance, reliable in quality, large in number of reuse times and capable of being used for construction of multiple projects. Later maintenance cost is low, the weight is low, the I-beam is convenient to lay, can be manually operated easily and is high in construction efficiency, and mechanical assistance is not needed.

Description

technical field [0001] The invention relates to a composite support beam for construction, in particular to a steel-wood composite I-beam. Background technique [0002] Formwork support beam is an important tool for concrete structure engineering construction. In cast-in-place concrete structure engineering, formwork engineering occupies a considerable proportion in the cost of concrete structure engineering, engineering labor and construction period. Formwork technology directly affects the quality of engineering construction. Therefore, it is an important content to promote construction technology, and the formwork support beam is its top priority. At present, the commonly used support beams mainly include wooden beams, steel beams, aluminum beams, etc. With the development of the construction industry, there are more requirements for the mechanical properties, production efficiency, maintenance costs, and economic benefits of the support beams. As a traditional support b...

AI Technical Summary

Problems solved by technology

As a traditional support beam, wooden beams have a low reuse rate, and inherent defects of wood such as knots, twists and splits greatly reduce the production efficiency and economic effect of wooden beams, and their mechanical properties are also poor; steel beams have a large weight; Although the aluminum beam has the advantages of light weight and high strength, but the production cost is high, the economy is poor, and the versatility is poor

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