BEHAVIOR OF PRESTRESSED GEOGRID-REINFORCED SAND BED

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Sadeghi Saman; SIAVOSHNIA MEHDI; Astaneh Seyed Mohammad Farid

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Seminar Paper

Paper Information

Seminar: INTERNATIONAL CONFERENCE ON MODERN RESEARCH IN CIVIL ENGINEERING, ARCHITECTURAL, AND URBAN DEVELOPMENT
Year:2016 | Issue:2

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Title

BEHAVIOR OF PRESTRESSED GEOGRID-REINFORCED SAND BED

Author(s)

Sadeghi Saman | SIAVOSHNIA MEHDI | Astaneh Seyed Mohammad Farid | Issue Writer Certificate

Keywords

FINITE-ELEMENT

PRESTRESSED REINFORCED SOIL

BEARING CAPACITY

Abstract

THIS PAPER PRESENTS NUMERICAL INVESTIGATIONS ON AN INNOVATIVE CONSTRUCTION METHOD FOR REINFORCED SOIL STRUCTURES BY GEOSYNTHETICS CALLED PRESTRESSED REINFORCED SOIL. THEREFORE, FINITE-ELEMENT ANALYSES ARE CONDUCTED TO STUDY THE BEHAVIOR OF PRESTRESSED GEOGRID REINFORCED SAND BED SUPPORTING A SQUARE FOOTING. MODEL SIMULATION IS DONE IN ABAQUS SOFTWARE WITH DIMENSIONS OF 12*12*6 M TO CONSTRUCT 3D MEDIA. THE PARAMETERS INVESTIGATED ARE PRESTRESSING FORCES AND TYPE OF GRANULAR SOILS. INFLUENCE OF ALL THESE PARAMETERS ON BEARING CAPACITY IMPROVEMENT OF SQUARE FOOTING AND ITS SETTLEMENT IS STUDIED BY COMPARING WITH MODEL OF UNREINFORCED SAND. APPLYING OF PRESTRESS TO THE GEOGRID REINFORCEMENT, RESULTS IN SIGNIFICANT IMPROVEMENT TO THE SETTLEMENT RESPONSE AND THE LOAD-BEARING CAPACITY OF THE FOUNDATION. THE BENEFICIAL EFFECTS OF PRESTRESSED GEOGRID CONFIGURATION WERE EVIDENT, IN COMPARISON WITH UNREINFORCED SAND BED AND REINFORCED WITH GEOGRID (WITHOUT PRESTRESS) COUNTERPARTS. BASED ON THE FINITE-ELEMENT ANALYSIS, OPTIMUM VALUES OF PRESTRESSING FORCE FOR TWO TYPES OF GRANULAR SOIL ARE DISCUSSED AND SUGGESTED.

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APA: Copy

Sadeghi, Saman, SIAVOSHNIA, MEHDI, & Astaneh, Seyed Mohammad Farid. (2016). BEHAVIOR OF PRESTRESSED GEOGRID-REINFORCED SAND BED. INTERNATIONAL CONFERENCE ON MODERN RESEARCH IN CIVIL ENGINEERING, ARCHITECTURAL, AND URBAN DEVELOPME. SID. https://sid.ir/paper/927689/en

Vancouver: Copy

Sadeghi Saman, SIAVOSHNIA MEHDI, Astaneh Seyed Mohammad Farid. BEHAVIOR OF PRESTRESSED GEOGRID-REINFORCED SAND BED. 2016. Available from: https://sid.ir/paper/927689/en

IEEE: Copy

Saman Sadeghi, MEHDI SIAVOSHNIA, and Seyed Mohammad Farid Astaneh, “BEHAVIOR OF PRESTRESSED GEOGRID-REINFORCED SAND BED,” presented at the INTERNATIONAL CONFERENCE ON MODERN RESEARCH IN CIVIL ENGINEERING, ARCHITECTURAL, AND URBAN DEVELOPME. 2016, [Online]. Available: https://sid.ir/paper/927689/en

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