Results 271 to 280 of about 1,974,215 (337)

Study on the drying shrinkage of alkali-activated coal gangue-slag mortar and its mechanisms

Construction and Building Materials, 2019
This study mainly explores the impacts of slag content, modulus of alkali activator and alkali-activator solid content on the setting time, strength and drying shrinkage of alkali-activated coal gangue-slag (AACGS) mortar.
Ma Hongqiang, Chen Hongyu, Zhu Hongguang, Shi Yangyang, Ni Yadong, Huo Qingjie, Hang Zetao   +6 more
semanticscholar   +3 more sources

Drying shrinkage in alkali-activated binders – A critical review

Construction and Building Materials, 2018
Alkali-activated binders have been proposed and have emerged as an alternative to ordinary Portland cement (OPC) binders with acceptable mechanical and durability performances in addition to positive environmental impacts. These alternative binders use a
M. Mastali, P. Kinnunen, A. Dalvand, R. Firouz, M. Illikainen   +4 more
semanticscholar   +3 more sources

Shrinkage of Alkali Activated Slag:Chemical Shrinkage, Self-Drying Shrinkage and Drying Shrinkage

Social Science Research Network, 2023
Yongfeng Wei, Hui Dou, Tingting He, Kunkun Song, Qiangqiang Zhang   +4 more
semanticscholar   +2 more sources

Research on the Vegetable Shrinkage During Drying and Characterization and Control Based on LF-NMR

Food and Bioprocess Technology, 2022
Qing Sun, M. Zhang, A. Mujumdar, Dongxing Yu   +3 more
semanticscholar   +3 more sources

A review and comparison study on drying shrinkage prediction between alkali-activated fly ash/slag and ordinary Portland cement

Construction and Building Materials, 2021
Alkali-activated binder (AAB) concrete is regarded as a green building material due to its high strength, chemical corrosion resistance, and low carbon emission. However, the shrinkage of AAB is more significant than that of ordinary Portland cement (OPC)
Dunwen Huang, Peng Chen, Hui Peng, Yiwei Yang, Q. Yuan, Miao Su   +5 more
semanticscholar   +1 more source

Relation between drying shrinkage behavior and the microstructure of metakaolin-based geopolymer

Journal of Zhejiang University: Science A, 2021
The drying shrinkage of geopolymers poses significant limitations on their potential as constructive materials. In this study, the drying shrinkage of metakaolin-based geopolymer (MKG) with different initial water/solid ratios and pore structures was ...
Shi-kun Chen, C. Wu, Dong-ming Yan, Yu Ao, Shengqian Ruan, Wenbin Zheng, Xing Sun, Hao Lin   +7 more
semanticscholar   +1 more source

Mechanical property, nanopore structure and drying shrinkage of metakaolin-based geopolymer with waste glass powder

, 2020
This paper investigates the mechanical properties, nanopore structure and drying shrinkage behavior of the metakaolin-based geopolymer mixtures containing 0%–20% waste glass powder.
Ruizhe Si, Qingli Dai, Shuaicheng Guo, Jiaqing Wang   +3 more
semanticscholar   +1 more source

Drying shrinkage and creep properties of prepacked aggregate concrete reinforced with waste polypropylene fibers

Journal of Building Engineering, 2020
Prepacked aggregate concrete (PAC) is a particular form of concrete that is manufactured by placing and packing aggregates with different sizes in a formwork, and the spaces between the aggregates are then filled through the injection of cement grout ...
Fahed Alrshoudi, Hossein Mohammadhosseini, M. Tahir, Rayed Alyousef, Hussam Alghamdi, Y. Alharbi, Abdulaziz S. Alsaif   +6 more
semanticscholar   +1 more source

Influence of coarse coal gangue aggregates on elastic modulus and drying shrinkage behaviour of concrete

, 2020
The elastic modulus and drying shrinkage are the fundamental mechanical behaviour of concrete in structural design. To date, no model has been proposed for predicting the mechanical properties of concrete using coal gangue aggregates (CGAs), including ...
Qinghe Wang, Qinghe Wang, Zhe Li, Yuzhuo Zhang, Yuzhuo Zhang, Haifeng Zhang, Mei-Li Zhou, Fan Yanfeng   +7 more
semanticscholar   +1 more source

Experiments on drying shrinkage and creep of high performance hybrid-fiber-reinforced concrete

, 2020
Drying shrinkage can cause high performance concrete (HPC) to crack, resulting in a reduction of its overall strength and durability. Creep behavior is also an important property of HPC and it should also be considered in applications.
Vahid Afroughsabet, S. Teng
semanticscholar   +1 more source