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A new empirical approach to estimate temperature effects on strut loads in braced excavation
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Wu, Ming, Du, Chenhui, Yang, Kai, Geng, Xueyu , Liu, Xin and Tangdai, Xia (2019) A new empirical approach to estimate temperature effects on strut loads in braced excavation. Tunnelling and Underground Space Technology, 94 . 103115. doi:10.1016/j.tust.2019.103115 ISSN 0886-7798.
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WRAP-novel-approach-estimate-temperatures-strut-loads-excavation-2020.pdf - Accepted Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. Download (2706Kb) | Preview |
Official URL: https://doi.org/10.1016/j.tust.2019.103115
Abstract
In deep excavation designs, strut loads play a key role to ensure excavation safety. During the construction, temperature fluctuation inevitably leads to a variation in strut loads. Therefore, how to quantitatively estimate the effects of temperature on strut loads is a matter of concern. In this study, the incremental changes in wall deflection due to temperature fluctuation were assumed to be piecewise linear. Based on the beam-on-elastic-foundation (BEF) model, an empirical approach accounting for the variation in temperature-induced strut loads at all levels was established. This model was further calibrated against a reported case study for a more precise predictive performance.
Item Type: | Journal Article | |||||||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | |||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | |||||||||
Library of Congress Subject Headings (LCSH): | Excavation, Struts (Engineering) , Loads (Mechanics), Retaining walls , Retaining walls -- Design and construction -- Mathematical models | |||||||||
Journal or Publication Title: | Tunnelling and Underground Space Technology | |||||||||
Publisher: | Elsevier | |||||||||
ISSN: | 0886-7798 | |||||||||
Official Date: | December 2019 | |||||||||
Dates: |
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Volume: | 94 | |||||||||
Article Number: | 103115 | |||||||||
DOI: | 10.1016/j.tust.2019.103115 | |||||||||
Status: | Peer Reviewed | |||||||||
Date of first compliant deposit: | 3 March 2021 | |||||||||
Date of first compliant Open Access: | 5 March 2021 | |||||||||
RIOXX Funder/Project Grant: |
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