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Abstract: Thermal cracking is an inevitable phenomenon in concrete dam construction. In this study, we develop a set of control technologies for concrete dam construction that mitigates thermal cracking. The key technological innovations include: (1) material production tech-nology that improves the crack resistance of hydraulic concrete; (2) progress-temperature-behavior coupling control with the time interval as the key variable; (3) spatiotemporal temperature closed-loop intelligent control with pipe cooling as the core; (4) thermal anti-cracking safety systematic control based on five factors (homogeneity, continuity, proportionality, integrity, and durability; HCPID); (5) an intelligent construction management and control platform based on dynamic perception, analysis, and control. A comprehensive technical system for thermal anti-cracking safety control in concrete dams is established, with concrete quality func-tioning as the basis, construction process as the timeline, temperature control technology as the core driver, and the intelligent man-agement and control platform functioning as a tool. The developed technologies were implemented in construction of the Xiluodu, Wudongde, and Baihetan concrete dams in China. Subsequently, thermal cracking was not observed in post-construction investiga-tions. Our results provide a reference for design and construction for similar projects.