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Title: Инженерно-строительный журнал: специализированный научный журнал. – № 3 (87). – 2019.
Imprint: Санкт-Петербург: Изд-во Политехн. ун-та, 2019
Collection: Общая коллекция
Subjects: Строительство; Сопротивление материалов; Строительная механика; Строительные материалы
UDC: 624.04(051); 69(051); 539.3/.6(051)
Document type: Issue
File type: PDF
Language: Russian; English
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Table of Contents

  • title87
  • реклама1
  • index
    • Содержание
    • E-mail: mce@spbstu.ru
    • Web: http://www.engstroy.spbstu.ru
    • Contents
  • 01
    • The geometric shape effect of steel slit dampers in their behavior
      • 1. Introduction
      • 2. Method
        • 2.1. Analytical Relations
          • 2.1.1. Elastic Stiffness
          • 2.1.2. Yield Force and Displacement
          • 2.1.3. Slit Damper Analysis Mechanism
        • 2.2. Specimen Details
        • 2.3. Material Specifications
        • 2.4. The Arrangement and Laboratory Equipment
        • 2.5. Test Plan and Layout
      • 3. Results and Discussion
        • 3.1. The Cyclic Behavior of the Specimens
        • 3.2. Effective Stiffness
        • 3.3. Dissipated Energy and Equivalent Viscous Damping
        • 3.4. Ductility
        • 3.5. Damage Index
        • 3.6. Buckling and the Optimal h/b ratio
      • 4. Conclusion
  • 02
    • The effect of perforations on the deformability of welded beam with corrugated webs
      • 1. Introduction
      • 2. Methods
    • The web corrugations of triangular shape with roundings in the peaks had a wave length Lr = 50 mm and a wave height fr = 54 mm. Material of the web and flanges was taken steel S245 in accordance with Russian State Standard GOST 27772 [28] with the fol...
      • 2.1. Parametric study of the corrugated beam with different diameter, type and pitch of perforations in the corrugated web
      • 3. Results and Discussion
      • 4. Conclusions
  • 03
    • Bearing capacity of fastener steel tube full hall scaffolds
      • 1. Introduction
      • 2. Methods
        • 2.1. Experimental Investigation
        • 2.2. Numerical Investigation
      • 3. Results and Discussion
      • 4. Conclusions
  • 04
    • Aggregate concrete factor (λ) for burnt clay brick aggregate concrete
      • 1. Introduction
      • 2. Experimental Methods
        • 2.1. Materials
          • 2.1.1 Coarse aggregate (CA), Fine aggregate (FA), and Cement (C):
        • 2.2. Mix proportion:
          • 2.2.1 Sample Preparation, mixing, casting, and curing of concrete:
        • 2.3. Experimental plan
          • 2.3.1 Test setup
      • 3. Results and Discussion
        • 3.1. Hardened concrete properties
          • 3.1.1 Compressive strength
          • 3.1.2 Tensile strength
          • 3.1.3. Bond strength
          • 3.1.4. Comparison of experimental bond strength with different mathematical model
          • 3.1.5. Lightweight aggregate concrete factor (λ) by the equation of ACI-318 (2001)
          • 3.1.6. Proposed analytical equation for lightweight brick aggregate concrete factor (λ)
          • 3.1.7. Fracture surface:
      • 4. Conclusions
      • 5. Acknowledgments
  • 05
    • Mechanical properties of magnesium potassium phosphate cement
      • 1. Introduction
      • 2. Methods
        • 2.1. Materials and reagents
          • 2.1.1. Cementitious material
          • 2.1.2. Sand, stone and concrete mix ratio
          • 2.1.3. Glass fibre sheet and epoxy resin
        • 2.2. Mix design and preparation of magnesium potassium phosphate cement
        • 2.3. Characterisation
          • 2.3.1. Compressive strength test
          • 2.3.2. Effect of different cementitious materials on the bonding properties of glass fibre sheets and concrete
      • 3. Results and Discussion
        • 3.1. Influence of different water-cement ratios and retarder dosage on the strength of MKPC
        • 3.2. Influence of different cementitious materials on the bonding properties of the glass fibre sheet-concrete interface
      • 4. Conclusions
      • 5. Acknowledgements
  • 06
    • The semi-shear theory of V.I. Slivker for the stability problems of thin-walled bars
      • 1. Introduction
      • 2. Methods
      • 3. Results and Discussion
      • 4. Conclusions
    • Полусдвиговая теория В.И. Сливкера в задачах устойчивости тонкостенных стержней
  • 07
    • Numerical modeling of nonlinear hydrodynamics of the coastal areas
      • 1. Introduction
      • 2. Methods
      • The boundary conditions when performing mathematical modeling were defined according to the simulated tasks.
      • So, for modeling of tides, on open borders of computational grid, in the sea of Kars the conditions of change of level were asked. Tidal wave parameters were made from the global Tide Model TPXO 7.2, which assimilates the data of the satellite altimet...
      • River runoff was set on the river borders in the places of confluence of OB, Pur and Taz rivers on the average annual hydrograph of river runoff from the site http://www.r-arcticnet.sr.unh.edu/v4.0/. At the borders of the grid adjacent to the land, th...
      • To calculate the mode of waves in the port area was chosen wave model ARTEMIS, open source, which is part of the software system TELEMAC. The model describes the reflection of the waves from the obstacles, the diffraction of the waves behind the obsta...
      • Wave pattern for each calculated storm is stationary, so the parameters obtained for the key points of excitement fully represent the time series of waves.
      • The results of calculations, obtained, with the help of models SWAN and COASTOX, adapted for the calculation of waves and currents in Ob lip, in comparison with the data of measurements in the region are presented. and results of prediction of wave fi...
      • 3. Results and Discussion
      • 4. Conclusions
    • References
    • Численное моделирование нелинейных гидродинамических процессов береговой зоны
    • Литература
  • 08
    • The compatibility of deformation of the hollow-core slab with beams
      • 1. Introduction
      • 2. Methods
      • 3. Results and Discussion
      • 4. Conclusions
    • Совместность деформирования пустотной плиты с ригелем
  • 09
    • Efficacy of digital elevation and Nash models in runoff forecast
      • 1. Introduction
      • 2. Methods
        • 2.1. Study area
        • 2.2. Geomorphologic database
        • 2.3. Development of the GIUH-Nash Model
          • 2.3.1. Nash model
          • 2.3.2. GIUH-Nash model
          • 2.3.3. Direct surface runoff computation
          • 2.3.4. Model evaluation
      • 3. Results and Discussions
      • 4. Conclusions
    • Эффективность цифровых моделей рельефа и моделей Нэша в прогнозировании стока
  • 10
    • Numerical studies of long-wave processes in the reaches of hydrosystems and reservoirs
      • 1. Introduction
      • 2. Methods
      • 3. Results and Discussion
      • 4. Conclusions
    • Численные исследования длинноволновых процессов в бьефах гидроузлов и водохранилищ
  • реклама2
  • оборот

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