Titlebook: Nanotechnology in Construction for Circular Economy; Proceedings of NICOM Wenhui Duan,Lihai Zhang,Surendra P. Shah Conference proceedings‘‘

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,Composition of Alkali–Silica Reaction Products in Laboratory and Field Concrete,er, considering that the total alkali content (Na + K) in the ASR products was similar regardless of the ASR test method used, this suggests that the total alkali content has more influence on the rate of expansion than the type of alkali. The composition of the ASR products also notably varied depe

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Investigation of ASR Effects on the Load-Carrying Capacity of Reinforced Concrete Elements by Ultra showed that, at the expansion levels achieved, the flexural capacity of the reinforced concrete beams was not significantly affected. Shear resistance of the reinforced concrete beams, however, was found to increase compared with their 28-day counterparts, which could be attributed to the prestress

Exposition

Nanosilica-Modified Hydrogels Encapsulating Bacterial Spores for Self-healing Concrete,in the modified hydrogels was higher than that in plain hydrogels after submersion in saturated Ca(OH). solution or simulated concrete solution for 7 days. Therefore, it can be concluded that nanosilica holds promise for modifying hydrogels to improve the effectiveness of encapsulated bacterial spor

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先兆

Designing Waterborne Protective Coatings Through Manipulating the Nanostructure of Acrylic-Based Na uniformly distributed in the acrylic base. The coating film with this acrylic-TiO. nanocomposite showed significantly better UV absorption performance than the coating made by physical blending. The copolymerization of acrylic copolymers with an organic polymer (alkyd) created a worm-like nanostruc

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Analysis of Categories That Delay Global Construction Projects,ng countries affected by these delay factors were determined. The results revealed that the top five important factors are located under the following categories: orders and requirements; experience and productivity; financial problems; planning; and lastly both external and management categories. T

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Chloride Penetration in Low-Carbon Concrete with High Volume of SCM: A Review Study,sis of the available data regarding the relationship between the mix design and the performance of LCCs in various chloride environments, which helps find the possible correlation and fully appreciate the value of the short-term tests.

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A Compact Review on the Waste-Based Lightweight Concrete: Advancement and Possibilities,, coconut shells, palm oil fuel ash, palm kernel shells, fly ash, and rice husks, possess lower specific gravity than traditional concrete aggregates. Thus waste-based LWC can be a significant replacement for conventional raw materials (cementitious material and aggregates) as it requires less stren

罗盘

Influence of Reinforcement on the Loading Capacity of Geopolymer Concrete Pipe,fect of steel reinforcement area on the loading capacity of geopolymer concrete pipes was quantitatively analyzed, and they met the specified strength requirement for OPC concrete in the ASTM standard, with up to 20% reduction in the reinforcement area.