High and Low Combination Wall Reinforced Earth Retaining Wall Engineering Application Example in Qingdao

Zhang Jiqing; Sun Tao; Shao Changhua

doi:10.3969/j.issn.1007-2993.2023.03.003

Volume 37 Issue 3

Jun. 2023

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Article Navigation > GEOTECHNICAL ENGINEERING TECHNIQUE > 2023 > 37(3): 268-274

Zhang Jiqing, Sun Tao, Shao Changhua. High and Low Combination Wall Reinforced Earth Retaining Wall Engineering Application Example in Qingdao[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2023, 37(3): 268-274. doi: 10.3969/j.issn.1007-2993.2023.03.003

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Zhang Jiqing, Sun Tao, Shao Changhua. High and Low Combination Wall Reinforced Earth Retaining Wall Engineering Application Example in Qingdao[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2023, 37(3): 268-274. doi: 10.3969/j.issn.1007-2993.2023.03.003

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High and Low Combination Wall Reinforced Earth Retaining Wall Engineering Application Example in Qingdao

doi: 10.3969/j.issn.1007-2993.2023.03.003

1.
Qingdao Ruiyuan Engineering Group Co., Ltd., Qingdao 266555, Shandong, China
2.
College of Earth Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, Shandong, China

Received Date: 2022-01-17
Accepted Date: 2022-08-25
Rev Recd Date: 2022-04-21

Available Online: 2023-06-08

Publish Date: 2023-06-08

Abstract

Abstract

The situation, design idea, construction scheme and monitoring results of a high and low combination wall reinforced earth retaining wall project in Qingdao were introduced. The concrete split surface module wall was used in the lower part of the composite reinforced earth retaining wall, and the cast-in-situ concrete panel with reinforced earth bag wall was used in the upper part. The monitoring data show that the larger the deformation of the lower splitting module towards the outer wall, the tighter the geogrid tension; the higher the load and earth pressure of the upper wall are, the denser the reinforced earth is, and the greater the tensile force of the backpacking geogrid and reinforced bolt is. The displacement of the soil and the deformation of the retaining wall have a certain lag with the loading time, and the deformation tends to be stable after the gap between the upper geobag and the retaining wall is fully crowded. The displacement direction of the retaining wall is different from that of the conventional retaining wall. The practice proves that the composite wall reinforced earth retaining wall has the characteristics of reasonable structure, convenient construction and safe and reliable, which can provide reference for the design of similar projects.
- reinforced earth retaining wall,
- composite wall,
- split module,
- concrete panel,
- geogrid

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References

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High and Low Combination Wall Reinforced Earth Retaining Wall Engineering Application Example in Qingdao

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High and Low Combination Wall Reinforced Earth Retaining Wall Engineering Application Example in Qingdao

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