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Số người truy cập: 33,352,937

 Numerical analysis of a piled foundation reinforced with geosynthetics to support construction of full-height bridge abutments

Tác giả hoặc Nhóm tác giả: Pham Anh Tuan - Do Huu Dao
Nơi đăng: International Journal of Scientific & Engineering Research, ISSN 2229-5518; Số: Volume 7, Issue 6, June-2016;Từ->đến trang: 370-377;Năm: 2016
Lĩnh vực: Kỹ thuật; Loại: Bài báo khoa học; Thể loại: Quốc tế
TÓM TẮT
ABSTRACT: The scope of this paper is the analysis of full-height embankment behind abutment on geosynthetic reinforced pile
supported (GRPS), with a commercially available finite element software. The analyses of fourteen cases of GRPS system
supported under embankment and two untreated foundations are presented in this paper. The factors considered include the
construction time, pile center to center spacing, region and length of piles DM (Deep-Mixing). The result presented in this paper
include the vertical and horizontal displacement, the maximum and differential settlement, the longitudinal gradient change, and
the distribution of stresses consist normal and shear stress in different zones, displacement contour and stress concentration
factor for all cases, since they are the most critical parameters of observation and design. The results of this study are intended to
provide some guidelines for designers, and to bring insight about the interacting mechanisms into the design process.
Keywords: Numerical analysis; piled bridge abutment; displacement; settlement; distribution of stresses

ABSTRACT
ABSTRACT: The scope of this paper is the analysis of full-height embankment behind abutment on geosynthetic reinforced pile
supported (GRPS), with a commercially available finite element software. The analyses of fourteen cases of GRPS system
supported under embankment and two untreated foundations are presented in this paper. The factors considered include the
construction time, pile center to center spacing, region and length of piles DM (Deep-Mixing). The result presented in this paper
include the vertical and horizontal displacement, the maximum and differential settlement, the longitudinal gradient change, and
the distribution of stresses consist normal and shear stress in different zones, displacement contour and stress concentration
factor for all cases, since they are the most critical parameters of observation and design. The results of this study are intended to
provide some guidelines for designers, and to bring insight about the interacting mechanisms into the design process.
Keywords: Numerical analysis; piled bridge abutment; displacement; settlement; distribution of stresses

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