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Special Steel Structures

Special Steel Structures
Major Structural Engineering - in English
Faculty Faculty of Structural Engineering
Department Steel, Timber and Plastic Structures
Lead Lecturer Prof. Dr. Eng. Borislav Belev

Publications

KOSTADINOV J. K., L. A. ZDRAVKOV, Inspection and technical diagnosis of steel vertical cylindrical tanks, mag. "Строителство", 1, 2002

ZDRAVKOV L. A., Determination of the efforts and define necessary section of the intermediate wind girders in the cylindrical vertical tanks, mag. "Строителство", 4, 2002

ZDRAVKOV L. A., Steel vertical cylindrical tanks for oil and oil products storage with double bottom, mag. "Строителство", 1, 2003

ZDRAVKOV L. A., Increase of the security of the steel tanks in exploitation, mag. "Строителство", 5, 2003

ZDRAVKOV L. A., Influence of the intermediate stiffening girders upon the efforts in top angle, mag. "Строителство", 2, 2004

RUSEV Sv. A., L. A. ZDRAVKOV,The repairing works of vertical joints which are executed as lap joints, conference of IASS, Varna, 2004

ZDRAVKOV L. A., Contemporary trends in the steel tank construction, science conference of UACG, 2006

ZDRAVKOV L. A., Technical inspection of Aboveground Steel Tanks, conference of VSU, 2006

RUSEV Sv. A., L. A. ZDRAVKOV, Additional constructive solutions for single deck floating roofs in Aboveground Cylindrical Steel Tanks with large diameter, conference of IASS, Varna, 2006

ZDRAVKOV L. A., Determination of type of fixed roof, mag. "Строителство", 4, 2006

ZDRAVKOV L. A., Dome roof of Aboveground Steel Tank with 70000 m3 capacity, conference of VSU, 2007

ZDRAVKOV L. A., Reinforcing of temporary opening in shell of cylindrical tank, conference of VSU, 2007

ZDRAVKOV L. A., Research of the behaviour of roof single welded lap joints, mag. "Строителство", 3, 2007

ZDRAVKOV L. A., Z. A. MINCHEVA, Measuring of the building structures with SAP 2000, mag. "Строителство", 5, 2007

ZDRAVKOV L. A., Stress in joint between shell and bottom in steel tanks with catching basin, Jubilee conference of VSU, 2008

ZDRAVKOV L. A., Width of annular bottom plates, mag. "Строителство", 4, 2008

ZDRAVKOV L. A., Repairing works in riveted steel tank with 5000 m3 capacity, science conference of UACG, 2008

ZDRAVKOV L. A., T. D. DINCHEVA, Necessary section of intermediate stiffening rings on shell of aboveground steel tanks, science conference of UACG, 2008

DAKOV D. V., L. A. ZDRAVKOV, Investigation of structure of gasholder with 5000 m3 capacity, damaged during exploitation, science conference of UACG, 2008

ZDRAVKOV L. A., Check of shell of cylindrical aboveground steel tanks for loss of stability, conference of VSU, 2009

ZDRAVKOV L. A., Increasing of seismic responsibility of steel tanks for "CCR" in NPP "Kozloduy", science conference of UACG, 2009

ZDRAVKOV L. A., Analytical and FEA design of steel domes with radial girders and circular elements, conference of VSU, 2010

ZDRAVKOV L. A., Design of self-supporting dome with with radial girders and circular elements, roof of tank T016, La Reunion, France, conference of VSU, 2010

ZDRAVKOV L. A., Design problems of anchoring of aboveground steel tanks, science conference of UACEG, 2010

ZDRAVKOV L. A., Analytical research of behavior of aboveground steel tanks with capacity V=500m3 and V=2000m3 during earthquake, science conference of UACEG, 2010

New contemporary structural decisions for gasholders, 11th international scientific conference VSU'2011
ZDRAVKOV L. A.

Design of self-supporting dome roofs
ZDRAVKOV L. A.. T. D. Dincheva

Specific features in design of footbridges, located between roofs of aboveground steel tanks, 12th international scientific conference VSU'2012
ZDRAVKOV L. A.

Conditions of the tanks in exploitation in which will be mounted aluminium floating roofs
ZDRAVKOV L. A.

ZDRAVKOV L. A.
Using of General Method of Standard EN 1993-1-1 to Design of Self-Supporting Cone Roofs

Self-supporting Dome Roof on Tank with V = 70 000 m3 capacity. New approaches to design
ZDRAVKOV L. A.

Effective buckling lengths of compressed elements, determined by SAP 2000 and Robot Structural Analysis, 15th international science conference VSU' 2015
ZDRAVKOV L. A.

Use of LBA-MNA methodology for determination of bearing capacity of compressed shells
Use of LBA-MNA methodology for determination of bearing capacity of compressed shells

Using of General Method for determining bearing capacity of domes wirth radial girders and circular elements on circular base, with different stiffeneing
ZDRAVKOV L. A.

Vertical stiffeners and internal pressure - influencing factors on distribution of meridional stresses in steel silos on discrete supports
Zdravkov L. A/

Influence of anchor bolts on stresses in base plates
Zdravkov L. A.

Some specific features of design of steel silo with capacity v = 110 м3
Zdravkov L. A.

Influence of intermediate rings and height of skirt on effective width of compression zone in junction column - cylindrical shell of steel silo
Zdravkov L. A.

Influencing factors on effective width of compressed zone in joint column - cylindrical shell of steel silo
Zdravkov L. A.

Place of load’s application on the cylindrical body – does it have an influence on distribution of normal stresses within it
Zdravkov L. A.

Necessary height of the vertical stiffeners in steel silos on discrete supports
Zdravkov L. A.

Arch effec in silos on discrete supports. Is it a myth or reality?
Zdravkov L. A.

Steel domes with radial girders and circular elements on circular base. How to design them
Zdravkov L.A.

Numerical Analysis of Vertical Steel Storage Tanks on ANSYS Workbench and ANSYS Mechanical APDL
Pantusheva, M., Zdravkov, L.A.

Typical damage in steel storage tanks in operation
Zdravkov, L., Pantusheva, M.

Anchoring of the Steel Vertical Cylindrical Tanks. Possibility of Increasing of the Bearing Capacity
Zdravkov, L.A.

Influence of Columns of Supported Cone Roofs on Natural Frequencies of Stored Liquid
Zdravkov, L.A.

Necessary height of the ring beams in the steel silos on discrete supports. Another approach for its determination.
Zdravkov, L. A.

Influence of the geometrical imperfections in the cylindrical steel shells, loaded by axial compression
Zdravkov, L. A.

Influence of the Roof Structure on the Forces in Top Angle Under Wind Loading
Zdravkov, L. A.

Calculation of the buoyancy of external single deck floating roofs
Zdravkov, L. A.

Necessary height of the vertical stiffeners in steel silos on discrete supports with accounting of imperfections
Zdravkov, L. A.

Constructive measures to preserve the bearing capacity of steel vertical tanks in service for a long time
Zdravkov, L.A.

Influence of the distance between vertical cylinders positioned in a row on the wind load on them
Zdravkov, L.A.

Books

Introduction in design of aboveground cylindrical steel tanks
ZDRAVKOV L. A.

Study materials

General plan of Aboveground Steel Tank
Zdravkov L. A.

Bottom of Aboveground Steel Tank
Zdravkov L. A.

Shell of Aboveground Steel Tank
Zdravkov L. A.

Roof of Aboveground Steel Tank
Zdravkov L. A.

Central ring of roof of Aboveground Steel Tank
Zdravkov L. A.

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