CFD-DEM study on the effect of coarse aggregate characteristics on pipe blockage in concrete pumping

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成果类型：

期刊论文

作者：

Rong Deng*;Zhiwei Ye;Sizhong Li

通讯作者：

Rong Deng

作者机构：

[Rong Deng; Zhiwei Ye] School of Mechanical Engineering, University of South China, No. 28, Changsheng West Road, Hengyang, Hunan 421000, China

[Sizhong Li] Hunan Hergelix intelligent Technology Co., LTD, No. 858, Purui West Road, Changsha, Hunan 410000, China

通讯机构：

[Rong Deng] S

School of Mechanical Engineering, University of South China, No. 28, Changsheng West Road, Hengyang, Hunan 421000, China

语种：

英文

期刊：

Powder Technology

ISSN：

0032-5910

年：

2025

页码：

120920

DOI：

10.1016/j.powtec.2025.120920

基金类别：

CRediT authorship contribution statement Rong Deng: Writing – review & editing, Methodology, Investigation, acquisition. Zhiwei Ye: Writing – review & editing, Writing – original draft, Validation, Software, Investigation. Sizhong Li: Resources, Data curation.

机构署名：

本校为第一且通讯机构

院系归属：

机械工程学院

摘要：

Concrete pumping technology is widely applied in the construction industry, especially in high-rise buildings and large-span bridges. However, during the actual pumping, concrete may bleed or get segregated, leading to the blockage of a pipe. In order to improve the pumping efficiency and reduce the blockage risk, the flow of fresh concrete with a single-size coarse aggregate(CA) in pipe was simulated, and the effects of size and shape, and volume fraction of CA on the pipe blockage were studied using a Computational Fluid Dynamics-Discrete Ele...

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CFD-DEM study on the effect of coarse aggregate characteristics on pipe blockage in concrete pumping

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