NDLI: Experimental study and numerical analysis on bearing characteristics of large diameter ultra long bored piles with post grouting on the tip and side

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Experimental study and numerical analysis on bearing characteristics of large diameter ultra long bored piles with post grouting on the tip and side

Content Provider	Scilit
Author	Zhai, Dezhi Zhou, Feng Zhou, Jinfeng Zhu, Rui
Copyright Year	2018
Description	Journal: Iop Conference Series: Earth and Environmental Science To research the bearing characteristics of post grouting large diameter ultra long piles under post grouting on the tip and side, the load test of three test piles of a super high rise project was carried out, and the numerical analysis method was used to research the load transfer law of post-grouting large diameter ultra long bored piles. Based on this, the differences and advantages of the post-grouting on the tip and side pile versus the non grouting pile and the pile end grouting pile are analyzed. The analytical results show as follows: post grouting on the tip and side will significantly change the performance and distribution of side friction of the piles, and improve mechanical properties of soil and pile-soil interface around piles. The ultimate bearing capacity of the post grouting on the tip and side pile foundation has increased 100% and 52% more than the non grouting and pile end grouting pile foundations. The side friction of post-grouting on the tip and side pile plays a significant difference from the non grouting piles.
Related Links	http://iopscience.iop.org/article/10.1088/1755-1315/189/2/022024/pdf
ISSN	17551307
e-ISSN	17551315
DOI	10.1088/1755-1315/189/2/022024
Journal	Iop Conference Series: Earth and Environmental Science
Issue Number	2
Volume Number	189
Language	English
Publisher	IOP Publishing
Publisher Date	2018-11-06
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Earth and Environmental Science Geological Engineering Post Grouting Tip and Side
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Physics and Astronomy Environmental Science

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