The mechanism of sulfate attack on alkali-activated materials, particularly the self-consolidating concrete (AASCC), is complex and contradictory. This could be due to wide range precursor activator materials used in production AASCC mixtures, which has called into question reliability validity existing evaluation procedures practices. paper presents a systematic research effort based granulate...

The concrete of numerous buildings and structures is at increased risk due to various kinds aggressive pollutants. In this regard, it necessary implement take additional actions, among which the so-called technological methods for structure property modification are promising. These comprise improvement modernization existing technologies produce most effective building before introduction stee...

Reinforced concrete (RC) structures may suffer from serious durability problems during long-term service. To investigate the deterioration of RC subjected to dual attacks chlorides and sulfates, this study proposes a coupled model for external sulfate attack (ESA) its effect on chloride binding diffusion. account influence binding, reduction function is proposed. The sulfate-induced damage diff...

Sulfate-resisting cement is used in construction works when a sulfate attack probable. This type of withstands sulfates due to its low C3A content. On the other hand, decrease quantity leads reduction rate early strength development. To overcome this problem, hardening accelerator was added mix. estimate effect on some properties hardened cement, compressive and flexural strength, drying shrink...

Marine environments are extremely challenging for the long-term durability of concrete. Prior validation concrete is therefore a prerequisite to guarantee its adequate performance under marine environmental conditions. In this study, Self-Compacting Concrete (SCC) with variable contents coarse Recycled Precast-Concrete Aggregate (RPCA) and two different cement assessed in terms capillary water ...