Author(s)

Zhengxu Chen ¹, Baoping Wang ¹, Tong Wang ¹, Zongxing Jiang ¹

Affiliation(s)

¹ Gansu CSCEC Municipal Engineering Investigation and Design Institute Co., Ltd, Lanzhou, 730000, China

Corresponding Author

Zhengxu Chen

ABSTRACT

On the basis of previous studies, this paper explains the working stress characteristics of micro steel pipe pile supporting structure, and puts forward a deformation calculation method considering anchor cable prestress. The working mechanism and mechanical properties of micro steel pipe pile supporting structure are expounded. A double stiffness calculation model considering anchor cable prestress is established, and the deformation calculation method of micro steel pipe pile supporting structure based on double stiffness model is deduced. The stiffness of the anchor cable obtained by this calculation method is smaller than that obtained by the current specification, thus increasing the size of the designed supporting structure and making the actual project safer.

KEYWORDS

Foundation Pit Engineering, Micro Steel Tube Pile, Internal Force and Deformation

CITE THIS PAPER

Zhengxu Chen, Baoping Wang, Tong Wang, Zongxing Jiang, Deformation Analysis of Micro Steel Pipe Pile Supporting Structure Considering Double Stiffness Model. Journal of Engineering Mechanics and Machinery (2023) Vol. 8: 12-24. DOI: http://dx.doi.org/10.23977/jemm.2023.080202.

REFERENCES

[1] Thompson M J. Experimental load transfer of piles subject to lateral movement. Transportation Scholars Conference, Iowa: Iowa State University, 2004.
[2] Richards T D, Rothbauer M J. Lateral loads on pin piles (micropiles). Geosupport Conference, 2004: 158-174.
[3] Aomar B. Dynamic behavior of micropiles systems subjected to sinusoidal ground motion. Urbana: Polyteehnie University, 2000.
[4] Lianwei Ren, Jian Xu, Gang-qiang Kong. Field Tests on Thermal Response Characteristics of Micro-Steel-Pipe Pile under Multiple Temperature Cycles. Renewable Energy, 2020, 147(1): 1098-1106.
[5] Mintae Kim, Liang Li, Hoyoung Seo. Effect of a Constrictor Plate on Behavior of a Model Steel Pipe Pile Driven in Dense Sand. Ocean Engineering, 2023, 267(1): 113210.
[6] Liu Y, Jun Y L, Liu T. Simplified Method for Estimating the Inner Support and Internal Force through Stand Column Uplift of Foundation Pit in Soft Soil. Applied Mechanics and Materials, 2014, 580-583, 474-480. 
[7] Ma C, Wang X G, Hu B. Numerical Simulation Analysis of Isolation Pile-Steel Shotcrete combined Support of Deep Foundation Pit Excavation. Applied Mechanics and Materials, 2014, 638-640, 507-511. 
[8] Hai X S, Zhang K, Chen S L. Monitoring and Analysis on the Supporting Structure for Deep Foundation Pit. Applied Mechanics and Materials, 2014, 580-583, 787-790. 
[9] Deng Z Y. Research of Manually Excavated Pile Support for Large Foundation Pit. Applied Mechanics and Materials, 2012, 238, 799. 
[10] Zhang C M. Applications of Soil Nailed Wall in Foundation Pit Support. Applied Mechanics and Materials, 2013, 353-356, 969.
[11] Wang Xiaoyong, Wang Yonghua, Zhang Jiwen. Experimental Study on Prestressed Anchor Cables for Deep Foundation Pits in Loess Layers. Geotechnical Engineering Technology, 2019, 33(2): 121-125.
[12] Wang Hongxin, Zhousong. Several Issues and Research Suggestions on Load Value, Deformation and Stability Analysis of the Rod Load Spring Model in Foundation Pit Design. Chinese Journal of Rock Mechanics and Engineering, 2013, 32(11): 2349-2358.
[13] Zhang Haoshuang. Testing and Research on the Stress and Deformation Behavior of Anchor Pulled Pile Foundation Pit Support. Xi'an: Xi'an University of Architecture and Technology, 2019.
[14] Wei Shenghua. Research on the Interaction between Prestressed Anchor Cables of Row Piles and Soil. Lanzhou: Lanzhou University of Technology, 2009.
[15] Zhu Yanpeng, Wei Shenghua. Research on the Interaction between Deep Foundation Pit Support Piles and Soil. Rock and Soil Mechanics, 2010, 31(9): 2840-2844.
[16] Hu Hesong. Study on the Stability and Deformation Characteristics of Structural Stability Supported by Pile Anchor in Deep Foundation Pit. Changsha: Central South University, 2009.

Sponsors, Associates, and Links

---

• Cybernetics and Mechatronics
  
  
• Digital Manufacturing and Process Management
  
  
• Ultra-Precision Machining Process
  
  
• Journal of Robotics and Biomimetics
  
  
• Prognostics, Diagnostics and Health Management
  
  
• Micro-Electro-Mechanical Systems
  
  
• Journal of Precision Instrument and Machinery
  
  
• Engineering and Solid Mechanics
  
  
• Fracture and Damage Mechanics
  
  
• Frontiers in Tribology
  
  
• Fluid and Power Machinery
  
  
• Chemical Process Equipment
  
  
• Journal of Assembly and Manufacturing
  
  
• Mechanical Vibration and Noise