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- Title
Experimental study on preparation of non-fired brick by reservoir sediment.
- Authors
LIU Dezhi; WANG Xiaolei; LI Jun; LI Yancang; LIU Libo
- Abstract
With the passage of time, a large amount of sediment was deposited in the reservoir, which caused great harm to the reservoir environment. The reservoir sediment, lime, fly ash, river sand and sodium silicate were mixed in a certain proportion to prepare the non-fired brick. The compressive strength, water absorption, anti-lime burst and anti-freeze-thaw cycle of the non-fired brick were systematically studied to determine the optimal content of the material. The results showed that when 3 % sodium silicate was added, the compressive strength of the non-fired brick prepared with the ratio of reservoir sediment: lime:fly ash=40:36:24 can reach 19.04 MPa. The water absorption rate and the mass loss rate and strength loss rate after 15 freeze-thaw cycles are the smallest, which are 11.50%,0.73% and 3.41%, respectively.
- Subjects
BRICKS; FLY ash; SEDIMENTS; COMPRESSIVE strength; FREEZE-thaw cycles
- Publication
New Building Materials / Xinxing Jianzhu Cailiao, 2022, Issue 6, p37
- ISSN
1001-702X
- Publication type
Article