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There are a large number of interfacial zones of new–old concrete in precast concrete structures, and the wall effect causes the reduction of coarse aggregate in the interfacial zones, which leads to the weaker physical, mechanical and durability properties of this part. In the present paper, some new–old concrete specimens with different chiseled depths at the interfaces were made to simulate the...
The large number of interfacial zones of precast and cast‐in‐place concrete weakens the durability and resistance to chloride penetration of fabricated structures. This study investigated the chloride transport behavior in the interfacial zone of precast and cast‐in‐place concrete through long‐term wet–dry cycle experiments. The two influencing factors of compressive stress and distance to the interface...
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