The Allocation of Internal Force of Concrete Beam Strengthened with Steel Plate
The test beams were overloaded 20 times repeatedly with different amplitude, and they damaged to different extent to simulate actual cracking. Strengthening the pre-damaged beams with steel plates, working situation of structure strengthened is analyzed. For the test beams strengthened, steel plates and the original structure deform harmoniously, internal force is allocated to the steel plates and the original structure with a certain proportion. In the serviceability limit state, the method of allocation of internal force is studied, and the impact of the overload amplitude, reinforcement ratio on the allocation proportion is analyzed.
Chaohe Chen, Yong Huang and Guangfan Li
W. L. Song et al., "The Allocation of Internal Force of Concrete Beam Strengthened with Steel Plate", Advanced Materials Research, Vols. 243-249, pp. 1625-1628, 2011