tailieunhanh - Summary of doctor thesis of engineerin: Research of earth embankment stability on natural ground

Purposes of the research Building a new method (method directly applicable limit theorem) evaluate soil stabilization in accordance with the actual working of the soil environment, the study contributes to the development of stable subgrade; applying the above method to build a computer program, set the tables and nomogram helps engineers quickly determine the height and slope of embankment limited. | MINISTRY OF EDUCATION TRAINING UNIVERSITY OF TRANSPORT AND COMMUNICATIONS Do Thang RESEARCH OF EARTH EMBANKMENT STABILITY ON NATURAL GROUND Major Highway Engineering Code SUMMARY OF DOCTOR THESIS OF ENGINEERING Hanoi - 2014 WORK TO BE COMPLETED IN UNIVERSITY OF TRANSPORT AND COMMUNICATIONS SUPERVISORS 1 Prof. Dr Ha Huy Cuong Military University of Science and Technology 2 PhD Vu Due Sy University of Transport and Communications Reviewers 1 Prof. Dr Nguyen Xuan True National University of Civil Engineering Reviewers 2 Prof. Dr Nguyen Van Quang Hanoi Architectural University Reviewers 3 Prof. PhD Nguyen Truong Tien Vietnam Society Soil Mechnical and Geotechnical Engineering The thesis is defended to the Council assessing doctoral dissertation at the case level University of Transport and Communications at .h. . 2014. Thesis can be found in the library 1. National Library VietNam 2. University Library of Transport and Communications LIST OF PUBLISHED WORKS 1. Do Thang 2013 . Stress field in soil is obtained by using the theory of elastic and the theory of min rmax . Vietnam Bridge and RoadMagazine. 10 2013. pp. 30 - 33. 2. Do Thang 2013 . Research of stability for vertical slope by limit analysis method . Review of Ministry of Construction ofVietNam. 11 2013. pp. 103 - 104. 3. Do Thang 2014 . New method research earth embankment stability on natural ground . Review of Ministry of Construction of VietNam. 6 2014. 1 INTRODUCTION 1. The reason of selecting project Subgrade is an important part of highway. To ensure the stability of subgrade is a prerequisite to ensure the stability of the pavement structure. Research methodology stable subgrade is widely used in today s designs is limited equilibrium methods. Basic equations of this method consists of two balance equations plane stress problem and Mohr-Coulomb yield condition. However the limit equilibrium method is not consider the phenomenon volume change of soil when using the yield condition .

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