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Volume 39 Issue z2
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SU Zhi-peng, LIANG Yong-hui. Application of PU grouting in settlements of structures induced by excavation[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(z2): 103-106. DOI: 10.11779/CJGE2017S2026
Citation: SU Zhi-peng, LIANG Yong-hui. Application of PU grouting in settlements of structures induced by excavation[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(z2): 103-106. DOI: 10.11779/CJGE2017S2026
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Application of PU grouting in settlements of structures induced by excavation

  • 1. Arch plus PLC Underground Space Engineering Design& Research Institute, Shanghai 200011, China;
    2. Ground Improvement Department, Shanghai Shenyuan Geotechnical Engineering Co., Ltd., Shanghai 200011, China

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  • Received Date: August 01, 2017
  • Published Date: December 19, 2017
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    • Abstract
  • It is of essence to solve, in short time and with the minimum effort, the problem of settlements of shallow foundations of the existing buildings/structures caused by the adjacent foundation excavation. A patent-pending methodology for reduce building settlements caused by foundation excavation is illustrated along with a case study. The PU grouting is adopted to minimize the negative impact on a historic building caused by foundation excavation, which is just 1.3 m away from the building. The PU grouting is conducted during different stages of construction, including the construction of diaphragm wall, the first and second layer bracing. The settlements of the neighboring building is minimized and controlled by the PU grouting.
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    • References (6)
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