Yes, concrete can continue to gain strength over years due to the prolonged process of hydration, where cement particles react with water to form binding compounds. While most strength development occurs in the first 28 days, the process can continue slowly for decades under favorable conditions (e.g., adequate moisture and temperature). However, environmental factors like drying, freeze-thaw cycles, or chemical exposure may eventually counteract this long-term strength gain.

In applications involving concrete pump pipes, the long-term durability of concrete is critical. These pipes are used to transport fresh concrete under high pressure, requiring both the concrete mix and the pump pipe material to withstand abrasion and mechanical stress. Over time, the gradual strength increase of hardened concrete around pump pipe systems (e.g., in foundations or structures) can enhance load-bearing capacity, but the pipes themselves must resist wear from repeated use with abrasive concrete mixtures.

In summary, while concrete’s strength may improve slightly over years, the focus for concrete pump pipes lies in their immediate durability and resistance to abrasion during pumping operations. Proper maintenance of pump pipes and optimized concrete mix designs are essential to balance both short-term performance and long-term structural integrity.