Test Study On Mechanical Properties Of RC Beam Connected By Inorganic Embedded-bar In Concrete

The application of planting bars technology in engineering strengthening and rebuilding is more extensive, and RC beams, columns and shear walls connected by inorganic embedded-bars in concrete have been used,but the related researches are few, and the researches are main in single strand drawing of embedded-bars with organic matter. The test could not simulate the performance of embedded-bars under complex stress state. And the inorganic anchoring material have been used extensively by virtue of cost and performance. So tests on the RC beams connected by inorganic embedded-bars in concrete are necessary, which could help to design and construction.In the first place an experimental study was carried out on bearing capacity of post-installed anchor group with different quantity. And then the test group experimented on five RC beams (the one conventional beam and the four beams connected by inorganic embedded-bars in concrete) under static load and analyzed the mechanical properties and compared them with conventional beam’s. The mechanical properties, failure mechanism and anchorage behavior of the specimens are analyzed.The main works as fellow:1. An experimental study was carried out on bearing capacity of post-installed anchor group with different quantity and the reduction coefficient was obtained.2. An experiment of RC beams connected by inorganic embedded-bars in concrete was made, the results was good. The results were analyzed in detail.3. Analyze the failure characteristics, failure mechanism, ultimate bearing capacity, stiffness and ductility, and compare them with conventional beam’s.4. Base on the analysis of experimental phenomena and data, the bearing capacity formula of RC beams connected by inorganic embedded-bars in concrete was put forward, which had enough stirrup or other effective measures had taken to prevent the concrete from splitting failure.