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The economic feasibility of taking into account the joint work of load-bearing and enclosing elements in large-span wooden spatial structures
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 6, Pp 664-678 (2021) (2021)
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| 2 |
Experimental study of elastic-plastic deformation of a cylindrical shell made of steel 45
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 5, Pp 519-527 (2021) (2021)
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Structural analysis of high-rise building using ETABS and RSA software
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 2, Pp 133-139 (2021) (2021)
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| 4 |
The influence of mounted assembly process on the stress-strain state of the lattice dome frame
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 5, Pp 443-454 (2021) (2021)
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| 5 |
Determination of natural vibration frequencies of reinforced cylindrical shell
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 6, Pp 628-638 (2021) (2021)
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| 6 |
Geometry of the normal ruled surfaces
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 6, Pp 562-575 (2021) (2021)
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| 7 |
Stress state analysis of an equal slope shell under uniformly distributed tangential load by different methods
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 1, Pp 51-62 (2021) (2021)
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| 8 |
Viktor A. Bazhenov (1941-2021)
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 3, Pp 308-309 (2021) (2021)
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| 9 |
Evaluation of seismic forces under modified structural schemes in the process of vibrations
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 4, Pp 391-403 (2021) (2021)
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| 10 |
Seismic stability of vibration-insulated turbine foundations depending on the frequency composition of seismic impact
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 1, Pp 30-41 (2021) (2021)
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| 11 |
Theoretical foundations for calculating bridges for endurance using the kinetic theory of durability of structural materials
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 3, Pp 219-227 (2021) (2021)
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| 12 |
Innovation structures of very lean roller compacted concrete dams
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 3, Pp 248-260 (2021) (2021)
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Abstract:
Over the past 20 years, rolled compacted concrete (RCC) dams have continued to be built in many countries because of their technical and economic advantages over conventional dams of vibrating concrete and embankment dams. The aim of this study is the development of new structural and technological solutions in RCC dams in order to reduce the consumption of cement and expand their use on non-rock foundations, which will allow them to successfully compete with concrete face rockfill dams. The numerical analyses of static and seismic stress-strain state (SST) of gravitational dams in roller compacted very lean concrete dams have been made, as well as their stability, strength and cost have been assessed. For rock and dense sandy-gravel foundations the most economical is the concrete face rockfill dam and symmetrical RCC dam of very lean concrete with bases (0.5-0.7) of both slopes and outer zones of conventional concrete and central zone of rockfill strengthened by cement-ash mortar. Taking into account that the cost of diversion and spillway tunnels for very lean RCC dam will be less and the construction period - shorter than for the concrete face rockfill dam, it can be concluded that variant of symmetrical RCC dam of very lean concrete is the technically and economically effective. Symmetrical RCC dams of very lean concrete with 1V/(0.5-0.7)H slopes have more seismic resistance and technical and economic efficiency as compared with conventional gravitational RCC dams and other types of dams. These dams up to 200 m high can be built on rock foundations and up to 100 m high - on dense sandy gravel foundations.
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Keyword:
Architectural engineering. Structural engineering of buildings; dams; geomembrane; strengthened by cement rockfill; stress-strain state; TH845-895; very lean roller compacted concrete
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URL: https://doi.org/10.22363/1815-5235-2021-17-3-248-260
https://doaj.org/article/09ff2fd45c1f4c93946f59c301bea578
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| 13 |
Pavel M. Salamakhin (1930-2021)
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 3 (2021) (2021)
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| 14 |
Inverted pyramid Azores - an eternal hybrid structure
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 3, Pp 261-269 (2021) (2021)
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| 15 |
A new direction for calculating the strength of bent reinforced concrete elements along inclined sections with an example of calculating an experimental beam
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 5, Pp 479-499 (2021) (2021)
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| 16 |
Numerical analysis of cylindrical shell stability interacting with inhomogeneous soil
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 6, Pp 608-616 (2021) (2021)
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| 17 |
Optimization of channels and I-shaped bended closed profiles with tubular shelves from sheets of different thicknesses
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 2, Pp 140-164 (2021) (2021)
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| 18 |
Modeling and visualizing of the formation of a snub dodecahedron in the AutoCAD system
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 1, Pp 42-50 (2021) (2021)
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| 19 |
Mathematical modeling of bending stress waves in an aboveground oil pipeline under unsteady seismic action
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 6, Pp 639-650 (2021) (2021)
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| 20 |
Stress-strain state of reinforced concrete structures of the LN-1 and LN-2 retaining walls of Zagorskaya PSPP taking into account the opening of interblock joints and the formation of secondary cracks
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In: Structural Mechanics of Engineering Constructions and Buildings, Vol 17, Iss 4, Pp 324-334 (2021) (2021)
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