Seismic response of a motorway bridge founded in an active landslide: a case study

被引：3

作者：

Mantakas, Antonios ^{[1
]}

Tsatsis, Angelos ^{[2
]}

Loli, Marianna ^{[2
]}

Kourkoulis, Rallis ^{[1
,2
]}

Gazetas, George ^{[1
]}

机构：

[1] Natl Tech Univ Athens, Dept Civil Engn, 9 Iroon Polytech Str, Athens, Greece

[2] Grid Engineers, Pampouki 3 N, Athens 15451, Greece

来源：

BULLETIN OF EARTHQUAKE ENGINEERING | 2023年 / 21卷 / 01期

关键词：

Landslides; Multi-hazard; Soil-structure interaction; Nailing piles; Caisson foundation; PLASTIC-DAMAGE MODEL; SOIL-STRUCTURE INTERACTION; FOUNDATION INPUT MOTION; FINITE-ELEMENT-ANALYSIS; RISK-ASSESSMENT; GROUND-MOTION; PILES; EVOLUTION; METHODOLOGY; PREDICTION;

D O I：

10.1007/s10518-022-01544-3

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

A twin girder 7-pier bridge, belonging to the "Egnatia" highway that has been facing numerous challenging geohazards, is built within an active landslide. Its seismic performance is investigated here through a comprehensive analysis of the interaction between bridge, foundation, and the precarious slope, which might affect 4 of the piers. The numerical 3D modeling considers in a realistic way the coupled effects of topography, soil nonlinearity, slope instability, and reinforced-concrete plasticity during seismic loading (kinematic and inertial). Alternative foundation schemes and slope stabilizing techniques are generically compared and evaluated. The aim is to develop a multi-hazard risk assessment platform that could facilitate the long-term management of motorways while shedding some light on the multi-hazard soil-structure interaction (MH-SSI).

引用

页码：605 / 632

页数：28

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