Application of 3D Digital Image Correlation to Capture the Impact Beahviour of UHPFRC Plate

被引：0

作者：

He, Yuanye ^{[1
,2
]}

Esmaeeli, Esmaeel ^{[3
]}

Soutsos, Marios N. ^{[1
]}

机构：

[1] Queens Univ Belfast, Sch Nat & Built Environm, Belfast, Antrim, North Ireland

[2] Xinjiang Univ, Coll Architecture Engn, Urumqi, Peoples R China

[3] Brunel Univ London, Dept Civil & Environm Engn, Uxbridge, Middx, England

来源：

FIBRE REINFORCED CONCRETE: IMPROVEMENTS AND INNOVATIONS II, BEFIB 2021 | 2022年 / 36卷

关键词：

UHPFRC plate; Impact behaviour; Fixed support; 3D digital image correlation; Full-field deformation measurements; FIBER-REINFORCED CONCRETE; RESISTANCE;

D O I：

10.1007/978-3-030-83719-8_79

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In this study, a repeated drop-weight test on a 50 mm thick four-side fixed UHPFRC plate was carried out. A high-speed 3D Digital Image Correlation technique (3D DIC) was employed to capture the full-field response of the plate during impact loading. The DIC results were validated against the measurements of physical accelerometer and strain sensors attached on the top surface of the plate. The DIC results in combination with a polynomial surface fitting method was used to obtain the mid-point deflection. Replicability of the plate's dynamic response indicated that only negligible damages occurred in the plate due to repeated drops from 0.5 m. During the subsequent impact from 2.0 m, the overall performance was governed by flexure. Lastly, the plate failed with local failure and flexure after impacted from 3.0 m.

引用

页码：925 / 935

页数：11

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