Static Load Test Calculation of Single Beam Based on Equivalent Stress Method

Shaoping Liu; Peng Qu; Xingxing Wang

doi:doi:10.11648/j.sd.20231106.14

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Static Load Test Calculation of Single Beam Based on Equivalent Stress Method

Shaoping Liu, Peng Qu^*, Xingxing Wang

Published in Science Discovery (Volume 11, Issue 6)

Received: 22 November 2023 Accepted: 22 November 2023 Published: 29 November 2023

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Abstract

Prefabricated beams are mass-produced in the beam yard. In order to grasp the mechanical properties and deformation status of prefabricated beams, static load testing is usually the most direct and effective detection method. We are accustomed to using the equivalent bending moment method for loading calculation of bridges, but the wet joints and concrete leveling layer have not yet been poured before the installation of prefabricated beams. If this part of the load is directly equivalent to the loading load, it may cause damage to the beam due to excessive loading, and even cause safety accidents during the loading process. In view of this, taking the Zhongjiawan Bridge as the engineering background, the loading load can be reduced by 37% to 50% by calculating the stress at the bottom of the beam based on the completed state of the bridge. The beam has reasonable stress and simple loading, and the static load test can be completed by using the beam back pressure. It has certain guiding significance for single beam load tests of similar bridges.

Published in	Science Discovery (Volume 11, Issue 6)
DOI	10.11648/j.sd.20231106.14
Page(s)	215-220
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2023. Published by Science Publishing Group

Keywords

Equivalent Stress, Single Beam, Static Load Test

References

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[4]	江京翼, 谭锋, 鞠玉财. 基于单梁静载试验的预制PC小箱梁承载能力分析方法 [J]. 西部交通科技. 2022 (10), 127-130.
[5]	蒋国富, 卓小丽, 江京翼, 等. 应力等效法在单梁静载试验中的应用研究 [J]. 兰州理工大学学报. 2022 (4), 138-143.
[6]	周叶飞, 曾明杰. 预制小箱梁单梁静载试验及承载能力评定分析 [J]. 中外公路. 2015 (2), 142-146.
[7]	关良勇, 黄应征, 张永平, 等. 30m预应力混凝土T梁单梁静载试验 [J]. 《公路交通科技: 应用技术版》. 2018 (11), 155-156.
[8]	周长青. 小箱梁承载能力检测评定技术应用 [J]. 《公路交通科技: 应用技术版》. 2017 (01), 141-143.
[9]	陆振盛. PC简支转连续T梁桥单梁静载试验研究 [J]. 《西部交通科技》. 2022 (1), 135-137.
[10]	张智博. PC简支转连续小箱梁桥单梁静载试验研究 [J]. 《华东公路》. 2022 (1), 5-6.
[11]	叶青. 简支变连续小箱梁桥单梁静载试验研究 [J]. 《北方交通》. 2017 (10), 15-18.
[12]	陈耀辉. 装配式小箱梁缺陷修复后单梁静载试验及承载能力分析 [J]. 《北方交通》. 2021 (3), 10-14.
[13]	韦宗志, 王希瑞, 唐洪泉, 等. 简支转连续小箱梁单梁静载试验方法研究 [J]. 《西部交通科技》. 2021 (6), 104-107.
[14]	张志强, 董丽娜. 既有缺陷预制T梁单梁承载能力静载试验全过程分析 [J]. 《北方交通》. 2021 (11), 22-26.

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APA Style

Liu, S., Qu, P., Wang, X. (2023). Static Load Test Calculation of Single Beam Based on Equivalent Stress Method. Science Discovery, 11(6), 215-220. https://doi.org/10.11648/j.sd.20231106.14

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ACS Style

Liu, S.; Qu, P.; Wang, X. Static Load Test Calculation of Single Beam Based on Equivalent Stress Method. Sci. Discov. 2023, 11(6), 215-220. doi: 10.11648/j.sd.20231106.14

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AMA Style

Liu S, Qu P, Wang X. Static Load Test Calculation of Single Beam Based on Equivalent Stress Method. Sci Discov. 2023;11(6):215-220. doi: 10.11648/j.sd.20231106.14

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@article{10.11648/j.sd.20231106.14,
  author = {Shaoping Liu and Peng Qu and Xingxing Wang},
  title = {Static Load Test Calculation of Single Beam Based on Equivalent Stress Method},
  journal = {Science Discovery},
  volume = {11},
  number = {6},
  pages = {215-220},
  doi = {10.11648/j.sd.20231106.14},
  url = {https://doi.org/10.11648/j.sd.20231106.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sd.20231106.14},
  abstract = {Prefabricated beams are mass-produced in the beam yard. In order to grasp the mechanical properties and deformation status of prefabricated beams, static load testing is usually the most direct and effective detection method. We are accustomed to using the equivalent bending moment method for loading calculation of bridges, but the wet joints and concrete leveling layer have not yet been poured before the installation of prefabricated beams. If this part of the load is directly equivalent to the loading load, it may cause damage to the beam due to excessive loading, and even cause safety accidents during the loading process. In view of this, taking the Zhongjiawan Bridge as the engineering background, the loading load can be reduced by 37% to 50% by calculating the stress at the bottom of the beam based on the completed state of the bridge. The beam has reasonable stress and simple loading, and the static load test can be completed by using the beam back pressure. It has certain guiding significance for single beam load tests of similar bridges.
},
 year = {2023}
}

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TY  - JOUR
T1  - Static Load Test Calculation of Single Beam Based on Equivalent Stress Method
AU  - Shaoping Liu
AU  - Peng Qu
AU  - Xingxing Wang
Y1  - 2023/11/29
PY  - 2023
N1  - https://doi.org/10.11648/j.sd.20231106.14
DO  - 10.11648/j.sd.20231106.14
T2  - Science Discovery
JF  - Science Discovery
JO  - Science Discovery
SP  - 215
EP  - 220
PB  - Science Publishing Group
SN  - 2331-0650
UR  - https://doi.org/10.11648/j.sd.20231106.14
AB  - Prefabricated beams are mass-produced in the beam yard. In order to grasp the mechanical properties and deformation status of prefabricated beams, static load testing is usually the most direct and effective detection method. We are accustomed to using the equivalent bending moment method for loading calculation of bridges, but the wet joints and concrete leveling layer have not yet been poured before the installation of prefabricated beams. If this part of the load is directly equivalent to the loading load, it may cause damage to the beam due to excessive loading, and even cause safety accidents during the loading process. In view of this, taking the Zhongjiawan Bridge as the engineering background, the loading load can be reduced by 37% to 50% by calculating the stress at the bottom of the beam based on the completed state of the bridge. The beam has reasonable stress and simple loading, and the static load test can be completed by using the beam back pressure. It has certain guiding significance for single beam load tests of similar bridges.

VL  - 11
IS  - 6
ER  -

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Author Information

Shaoping Liu

China Merchants Chongqing Highway Engineering Testing Center Co., Ltd, Chongqing, China

Contact Email
Peng Qu

China Merchants Chongqing Highway Engineering Testing Center Co., Ltd, Chongqing, China

Contact Email
Xingxing Wang

China Merchants Chongqing Highway Engineering Testing Center Co., Ltd, Chongqing, China

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Plain Text BibTeX RIS

APA Style

Liu, S., Qu, P., Wang, X. (2023). Static Load Test Calculation of Single Beam Based on Equivalent Stress Method. Science Discovery, 11(6), 215-220. https://doi.org/10.11648/j.sd.20231106.14

Copy | Download

ACS Style

Liu, S.; Qu, P.; Wang, X. Static Load Test Calculation of Single Beam Based on Equivalent Stress Method. Sci. Discov. 2023, 11(6), 215-220. doi: 10.11648/j.sd.20231106.14

Copy | Download

AMA Style

Liu S, Qu P, Wang X. Static Load Test Calculation of Single Beam Based on Equivalent Stress Method. Sci Discov. 2023;11(6):215-220. doi: 10.11648/j.sd.20231106.14

Copy | Download

@article{10.11648/j.sd.20231106.14,
  author = {Shaoping Liu and Peng Qu and Xingxing Wang},
  title = {Static Load Test Calculation of Single Beam Based on Equivalent Stress Method},
  journal = {Science Discovery},
  volume = {11},
  number = {6},
  pages = {215-220},
  doi = {10.11648/j.sd.20231106.14},
  url = {https://doi.org/10.11648/j.sd.20231106.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sd.20231106.14},
  abstract = {Prefabricated beams are mass-produced in the beam yard. In order to grasp the mechanical properties and deformation status of prefabricated beams, static load testing is usually the most direct and effective detection method. We are accustomed to using the equivalent bending moment method for loading calculation of bridges, but the wet joints and concrete leveling layer have not yet been poured before the installation of prefabricated beams. If this part of the load is directly equivalent to the loading load, it may cause damage to the beam due to excessive loading, and even cause safety accidents during the loading process. In view of this, taking the Zhongjiawan Bridge as the engineering background, the loading load can be reduced by 37% to 50% by calculating the stress at the bottom of the beam based on the completed state of the bridge. The beam has reasonable stress and simple loading, and the static load test can be completed by using the beam back pressure. It has certain guiding significance for single beam load tests of similar bridges.
},
 year = {2023}
}

Copy | Download

TY  - JOUR
T1  - Static Load Test Calculation of Single Beam Based on Equivalent Stress Method
AU  - Shaoping Liu
AU  - Peng Qu
AU  - Xingxing Wang
Y1  - 2023/11/29
PY  - 2023
N1  - https://doi.org/10.11648/j.sd.20231106.14
DO  - 10.11648/j.sd.20231106.14
T2  - Science Discovery
JF  - Science Discovery
JO  - Science Discovery
SP  - 215
EP  - 220
PB  - Science Publishing Group
SN  - 2331-0650
UR  - https://doi.org/10.11648/j.sd.20231106.14
AB  - Prefabricated beams are mass-produced in the beam yard. In order to grasp the mechanical properties and deformation status of prefabricated beams, static load testing is usually the most direct and effective detection method. We are accustomed to using the equivalent bending moment method for loading calculation of bridges, but the wet joints and concrete leveling layer have not yet been poured before the installation of prefabricated beams. If this part of the load is directly equivalent to the loading load, it may cause damage to the beam due to excessive loading, and even cause safety accidents during the loading process. In view of this, taking the Zhongjiawan Bridge as the engineering background, the loading load can be reduced by 37% to 50% by calculating the stress at the bottom of the beam based on the completed state of the bridge. The beam has reasonable stress and simple loading, and the static load test can be completed by using the beam back pressure. It has certain guiding significance for single beam load tests of similar bridges.

VL  - 11
IS  - 6
ER  -

Copy | Download