Study on Mechanical Properties of Recycled Concrete Block Mixed with Coal Gangue and Plant Fiber | Zendy

Quanquan Hu | Zendy; Guangxiu Fang | Zendy

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Study on Mechanical Properties of Recycled Concrete Block Mixed with Coal Gangue and Plant Fiber

Author(s) -

Quanquan Hu,

Guangxiu Fang

Publication year - 2020

Publication title -

iop conference series earth and environmental science

Language(s) - English

Resource type - Journals

eISSN - 1755-1307

pISSN - 1755-1315

DOI - 10.1088/1755-1315/508/1/012179

Subject(s) - crusher , compressive strength , gangue , fiber , materials science , mixing (physics) , coal , waste management , composite material , metallurgy , engineering , physics , quantum mechanics

In this paper, the recycled aggregates of waste coal gangue and waste concrete crushed by a crusher are used as coarse aggregates, mixed with plant fibers. By changing the mixing rate of plant fibers and coal gangue, the mix design of plant fiber recycled concrete and experiment. According to the compressive strength values of 7d, 14d and 28d concrete, the optimal mix ratio is selected. Correct the calculated value of the compressive strength bearing capacity according to the specific strength value of the plant fiber concrete and ordinary concrete obtained by the test, and obtain the correction coefficient k . According to the best mix ratio, the plant fiber recycled concrete hollow block was designed, and its compressive strength was analyzed by ANSYS finite element. In this paper, the recycled aggregates of waste coal gangue and waste concrete crushed by a crusher are used as coarse aggregates, mixed with plant fibers.

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