The effect of TiO2 coating on pile penetration depth in clay

被引：0

作者：

Amalia N. ^{[1
]}

Asri A. ^{[1
]}

Rokhmat M. ^{[1
]}

Sutisna ^{[1
]}

Viridi S. ^{[1
]}

Abdullah M. ^{[1
,2
]}

机构：

[1] Department of Physics, Faculty of Mathematics and Natural Sciences, Bandung Institute of Technology, Jalan Ganesa 10, Bandung

[2] MIBE S&T Institute, Jalan Sembrani 19, Bandung

来源：

Journal of Engineering and Technological Sciences | 2017年 / 49卷 / 05期

关键词：

Coating; Concrete piles; Pile driving; Pore water; Superhydrophilic; Titanium dioxide;

D O I：

10.5614/j.eng.technol.sci.2017.49.5.6

中图分类号：

学科分类号：

摘要：

Pile driving tests were conducted using models of concrete piles with titanium dioxide (TiO2) coating and piles without coating. Pile surfaces coated with TiO2 become superhydrophilic, which enables water molecules in clay pores to be attracted to the pile during the pile driving process. The attraction suppresses the compression of the pore water in the clay soil, hence the result of the pile driving tests showed that piles with TiO2 coating could penetrate deeper than piles without coating with the same count of hammer strokes. An examination using FTIR confirmed the formation of bonds between water molecules for piles with coating and the absence of such bonding for piles without coating. Furthermore, it was successfully established that pile surface coating gives different results for pile driving in different clay soils. © 2017 Published by ITB Journal Publisher.

引用

页码：639 / 656

页数：17

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