Author(s)

Wu Huabei ¹, Yao Kangkai ¹, Liu Jian ¹, Wang Li ¹, Hao Shiyu ¹

Affiliation(s)

¹ Sinohydro Sixth Engineering Bureau Co., Ltd., Shenyang, Liaoning, 110000, China

Corresponding Author

Wu Huabei

ABSTRACT

With the increase of the geometric scale of the caisson, the resistance ratio of the side friction resistance and the end resistance in the sinking process of the caisson will change, which may lead to uneven sinking, displacement, tilt and other phenomena. According to the monitoring results of sinking process of a certain caisson, the paper discusses that the displacement, inclination and relative inclination of sinking process meet the requirements of the standard. In addition, it is found that the evolution of the relative inclination is similar to the decay evolution. The discussion also shows that the rate curves of sinking of caisson at different stages show that with the increase of the size of caisson, the probability of sudden sinking phenomenon in the construction process also increases gradually. Therefore, the relevant measures should be paid attention to and put forward in the construction process.

KEYWORDS

Multi-grid caisson, settlement, informatization

CITE THIS PAPER

Wu Huabei, Yao Kangkai, Liu Jian, Wang Li, Hao Shiyu, Quality Control Index of Sinking Caisson Based on Trigonometric Function Transformation. Journal of Civil Engineering and Urban Planning (2023) Vol. 5: 43-49. DOI: http://dx.doi.org/10.23977/jceup.2023.051007.

REFERENCES

[1] Zhang Qi. Treatment of oversettling and tilting of caisson by high-pressure rotary jet grouting [J]. Anhui Architecture, 2011, 18(01):90-91. 
[2] Fan Xinfa, Luo Hongbing, Fan Cong. Case study on correction of caisson in soft soil foundation [J]. Geotechnical Foundation, 2014, 28(04):8-10. 
[3] Li Ming, Xie Weishi, Chen Guo et al. Analysis of Structural internal force change law in the sinking of large caisson [C]// Construction Technology Magazine, Asia-Pacific Institute of Construction Technology Information Co. , LTD. Proceedings of 2020 National Civil Engineering Construction Technology Exchange Conference (Volume). Construction Technology Magazine
[4] Hu Yuanyuan, Liu Junsheng, Chen Changshi. Experimental analysis of vertical displacement monitoring accuracy of the revised national standard "Technical Code for Construction Foundation Pit Engineering Monitoring" [J]. Urban Survey, 2019(06):133-136+140. 
[5] GB/T 51130-2016, Construction code for Caisson and pneumatic caisson [S].

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