Experimental Research on Mechanical Properties and Durability Performances of Recycled Aggregate Concrete Stand-Plates of National Speed Skating Oval

SU Zhenhua; LI Shaohua; CAI Yaning; CHEN Limin; PENG Liyang; ZHAO Wei

doi:10.13204/j.gyjzG22041410

Volume 53 Issue 7

Jul. 2023

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SU Zhenhua, LI Shaohua, CAI Yaning, CHEN Limin, PENG Liyang, ZHAO Wei. Experimental Research on Mechanical Properties and Durability Performances of Recycled Aggregate Concrete Stand-Plates of National Speed Skating Oval[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(7): 209-216. doi: 10.13204/j.gyjzG22041410

Citation:

SU Zhenhua, LI Shaohua, CAI Yaning, CHEN Limin, PENG Liyang, ZHAO Wei. Experimental Research on Mechanical Properties and Durability Performances of Recycled Aggregate Concrete Stand-Plates of National Speed Skating Oval[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(7): 209-216. doi: 10.13204/j.gyjzG22041410

Citation:

SU Zhenhua, LI Shaohua, CAI Yaning, CHEN Limin, PENG Liyang, ZHAO Wei. Experimental Research on Mechanical Properties and Durability Performances of Recycled Aggregate Concrete Stand-Plates of National Speed Skating Oval[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(7): 209-216. doi: 10.13204/j.gyjzG22041410

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Experimental Research on Mechanical Properties and Durability Performances of Recycled Aggregate Concrete Stand-Plates of National Speed Skating Oval

doi: 10.13204/j.gyjzG22041410

1. Beijing Urban Construction Group Co., Ltd., Beijing 100088, China;
2. Beijing National Speed Skating Oval Operation Co., Ltd., Beijing 100192, China

Received Date: 2022-04-14

Abstract

Abstract

The National Speed Skating Oval is a large building. In order to implement the concept of sustainable development and economy in the Winter Olympics, the project of the National Speed Skating Oval has a good use of a large amount of demolished concrete of the pile head to produce recycled aggregate which is used in the precast stand-plates. In the light of the durability requirements of recycled aggregate concrete (RAC), recycled aggregate concrete and fair-faced normal aggregate concrete (NAC) with the same strength were designed according to a specific concrete ratio and were tested in the experiments of mechanics, carbonation and freeze-thaw cycles.In addition, the microscopic mechanism analysis was conducted based on CT scanning technology. The results showed that the failure modes of NAC specimens and RAC specimens were the same at the microscopic level, and the CT scanning showed that RAC specimens would lead to the increase of mass loss with the increase of the number of cycles,which fairly faster than NAC.
- National Speed Skating Oval,
- recycled aggregate,
- fair-faced concrete,
- precast stand-plate,
- durability

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References(25)

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