Scholarlink

<p>Cross-laminated timber (CLT) is a mass timber product initially developed in Europe as a substitute for concrete slabs and tilt-up walls. Over the past decade, it has been increasingly used in constructing record-breaking tall wood buildings worldwide, primarily as load-bearing wall and floor systems. However, research and applications of CLT in basement construction remain limited, leading to a knowledge gap in in-situ performance monitoring. This paper presents a methodological approach to a monitoring system designed to quantify the engineering performance of CLT panels used as basement walls in a field experiment. The basement, measuring 3&#xa0;m by 6&#xa0;m in plan and 2&#xa0;m deep, was constructed in a cohesive soil site in Edmonton, Canada. A comprehensive monitoring system was developed to measure various parameters, including panel temperature, relative humidity, strain and deflection, soil lateral earth pressure, soil temperature, and water content. Field data were collected from June 2022 to June&#xa0;2024. The insights gained from this health monitoring system are valuable for future research and practical applications in measuring the mechanical and hygrothermal properties of mass timber materials in large-scale boundary conditions. Results indicate that the moisture content in wood can be estimated using relative humidity and temperature data and that strain gages and linear variable differential transformers effectively capture CLT panels' swelling and shrinking phases under varying humidity conditions. One of the key challenges in monitoring large-scale experiments is selecting the most suitable sensors and determining the optimal locations for their installation.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Methodological approach to the in-situ monitoring system of cross-laminated timber basement walls

  • 期刊论文

  • 发表日期：

    2025年8月27日

查看全文
  • Fernanda Bezerra Tomaduci Imamura,
  • Yuxiang Chen,
  • Lijun Deng,
  • Ying Hei Chui

摘要

Cross-laminated timber (CLT) is a mass timber product initially developed in Europe as a substitute for concrete slabs and tilt-up walls. Over the past decade, it has been increasingly used in constructing record-breaking tall wood buildings worldwide, primarily as load-bearing wall and floor systems. However, research and applications of CLT in basement construction remain limited, leading to a knowledge gap in in-situ performance monitoring. This paper presents a methodological approach to a monitoring system designed to quantify the engineering performance of CLT panels used as basement walls in a field experiment. The basement, measuring 3 m by 6 m in plan and 2 m deep, was constructed in a cohesive soil site in Edmonton, Canada. A comprehensive monitoring system was developed to measure various parameters, including panel temperature, relative humidity, strain and deflection, soil lateral earth pressure, soil temperature, and water content. Field data were collected from June 2022 to June 2024. The insights gained from this health monitoring system are valuable for future research and practical applications in measuring the mechanical and hygrothermal properties of mass timber materials in large-scale boundary conditions. Results indicate that the moisture content in wood can be estimated using relative humidity and temperature data and that strain gages and linear variable differential transformers effectively capture CLT panels' swelling and shrinking phases under varying humidity conditions. One of the key challenges in monitoring large-scale experiments is selecting the most suitable sensors and determining the optimal locations for their installation.