Dry type connection system of a prefabricated type wood-concrete composite structure

Abstract

The invention discloses a dry type connection system of a prefabricated type wood-concrete composite structure. The dry type connection system includes wooden beams, concrete slabs and dry type shearconnection pieces. Each dry type shear connection piece includes an embedded steel plate and assembling screws. In-plate steel bars of the concrete slabs pass through pre-opened holes of the embeddedsteel plates, the embedded steel plates are positioned when concrete is poured, and strengthening and anchoring are carried out; the wooden beams are arranged between the two embedded steel plates, grooves with the depth equal to the thickness of the embedded steel plates are formed in the positions, in contact with the steel plates, of the wooden beams, exposed parts of the embedded steel platesare inserted into the grooves of the wooden beams during field assembly, the screws are used for connecting the concrete slabs where the steel plates are embedded and the wooden beams, and assemblingof the wood-concrete composite structure is realized. By means of the dry type connection system, the wooden beams and the concrete slabs are prefabricated in a plant and spliced on a construction site, the on-site form erecting processes are reduced, and the concrete curing time is shortened.

Description

technical field [0001] The invention relates to a new connection system of a prefabricated wood-concrete composite structure, which can realize the "dry method" assembly construction of the wood-concrete composite structure, and can be used in the construction of structural fields such as building roofs and bridge superstructures. It can also be used for reinforcement of dilapidated buildings with concrete structures. Background technique [0002] Wood is a renewable resource and a green and environmentally friendly building material. It also has the characteristics of high strength-to-weight ratio and strong affinity. During the growth process, plants absorb a large amount of carbon dioxide, thus realizing the function of carbon sequestration. The use of structural wood helps to promote the planned felling, planting and growth of structural trees, and realizes a virtuous cycle of carbon sequestration performance of trees. [0003] In terms of mechanical properties, engine...

AI Technical Summary

Problems solved by technology

Because of wet joints, semi-prefabricated "wet" connections mainly have problems such as low construction efficiency and slow formation of a complete stress system.

Images