Concrete Structures and Urban Landscape

2016 ◽  
Vol 54 (10) ◽  
pp. 983-983
Author(s):  
H. Morikawa
Keyword(s):  
Urban Landscape ◽  
Concrete Structures

Design of precast reinforced concrete structures of frame buildings: a new set of rules

2019 ◽  
pp. 4-9 ◽  
Keyword(s):  
Reinforced Concrete ◽  
Concrete Structures ◽  
Reinforced Concrete Structures ◽  
Building Frames ◽  
Fine Grained ◽  
Rigid Frame ◽  
Floor Slabs ◽  
Frame Buildings ◽  
Spatial System ◽  
Precast Elements

Currently, prefabricated reinforced concrete structures are widely used for the construction of buildings of various functional purposes. In this regard, has been developed SP 356.1325800.2017 "Frame Reinforced Concrete Prefabricated Structures of Multi-Storey Buildings. Design Rules", which establishes requirements for the calculation and design of precast reinforced concrete structures of frame buildings of heavy, fine-grained and lightweight structural concrete for buildings with a height of not more than 75 m. The structure of the set of rules consists of eight sections and one annex. The document reviewed covers the design of multi-story framed beam structural systems, the elements of which are connected in a spatial system with rigid (partially compliant) or hinged joints and concreting of the joints between the surfaces of the abutting precast elements. The classification of structural schemes of building frames, which according to the method of accommodation of horizontal loads are divided into bracing, rigid frame bracing and framework, is presented. The list of structural elements, such as foundations, columns, crossbars, ribbed and hollow floor slabs and coatings, stiffness elements and external enclosing structures is given; detailed instructions for their design are provided. The scope of the developed set of rules includes all natural and climatic zones of the Russian Federation, except seismic areas with 7 or more points, as well as permafrost zones.

Improvement Of Curvilinear Diagrams Of Concrete Deformation

2019 ◽  
pp. 99-104
Keyword(s):  
Reinforced Concrete ◽  
Peak Load ◽  
Experimental Studies ◽  
Concrete Structures ◽  
Deformation Model ◽  
Reinforced Concrete Structures ◽  
Significant Difference ◽  
Deformation Diagrams

Problems when calculating reinforced concrete structures based on the concrete deformation under compression diagram, which is presented both in Russian and foreign regulatory documents on the design of concrete and reinforced concrete structures are considered. The correctness of their compliance for all classes of concrete remains very approximate, especially a significant difference occurs when using Euronorm due to the different shape and sizes of the samples. At present, there are no methodical recommendations for determining the ultimate relative deformations of concrete under axial compression and the construction of curvilinear deformation diagrams, which leads to limited experimental data and, as a result, does not make it possible to enter more detailed ultimate strain values into domestic standards. The results of experimental studies to determine the ultimate relative deformations of concrete under compression for different classes of concrete, which allowed to make analytical dependences for the evaluation of the ultimate relative deformations and description of curvilinear deformation diagrams, are presented. The article discusses various options for using the deformation model to assess the stress-strain state of the structure, it is concluded that it is necessary to use not only the finite values of the ultimate deformations, but also their intermediate values. This requires reliable diagrams "s–e” for all classes of concrete. The difficulties of measuring deformations in concrete subjected to peak load, corresponding to the prismatic strength, as well as main cracks that appeared under conditions of long-term step loading are highlighted. Variants of more accurate measurements are proposed. Development and implementation of the new standard GOST "Concretes. Methods for determination of complete diagrams" on the basis of the developed method for obtaining complete diagrams of concrete deformation under compression for the evaluation of ultimate deformability of concrete under compression are necessary.

Emplacing Berlin: Digital Itineraries and Short-term Study Abroad in the City

2018 ◽  
Vol 12 (1) ◽  
pp. 26-36 ◽  
Author(s):  
Richard B. Apgar
Keyword(s):  
Study Abroad ◽  
Urban Landscape ◽  
Physical Space ◽  
Short Term ◽  
Study Abroad Programs ◽  
Term Study ◽  
Digital Maps ◽  
Short Term Study ◽  
The City

As destination of choice for many short-term study abroad programs, Berlin offers students of German language, culture and history a number of sites richly layered with significance. The complexities of these sites and the competing narratives that surround them are difficult for students to grasp in a condensed period of time. Using approaches from the spatial humanities, this article offers a case study for enhancing student learning through the creation of digital maps and itineraries in a campus-based course for subsequent use during a three-week program in Berlin. In particular, the concept of deep mapping is discussed as a means of augmenting understanding of the city and its history from a narrative across time to a narrative across the physical space of the city. As itineraries, these course-based projects were replicated on site. In moving from the digital environment to the urban landscape, this article concludes by noting meanings uncovered and narratives formed as we moved through the physical space of the city.

Aquarelles parisiennes: Gautier, Baudelaire, and the Poetry of Urban Watercolours

2019 ◽  
Vol 58 (2) ◽  
pp. 170-182
Author(s):  
Karen F. Quandt
Keyword(s):  
Urban Landscape ◽  
Second Empire ◽  
Theophile Gautier ◽  
Avant Garde ◽  
Meeting Point ◽  
Mise En Scene ◽  
Bleed Through ◽  
Fleurs Du Mal

Baudelaire refers in his first essay on Théophile Gautier (1859) to the ‘fraîcheurs enchanteresses’ and ‘profondeurs fuyantes’ yielded by the medium of watercolour, which invites a reading of his unearthing of a romantic Gautier as a prescription for the ‘watercolouring’ of his own lyric. If Paris's environment was tinted black as a spiking population and industrial zeal made their marks on the metropolis, Baudelaire's washing over of the urban landscape allowed vivid colours to bleed through the ‘fange’. In his early urban poems from Albertus (1832), Gautier's overall tint of an ethereal atmosphere as well as absorption of chaos and din into a lulling, muted harmony establish the balmy ‘mise en scène’ that Baudelaire produces at the outset of the ‘Tableaux parisiens’ (Les Fleurs du mal, 1861). With a reading of Baudelaire's ‘Tableaux parisiens’ as at once a response and departure from Gautier, or a meeting point where nostalgia ironically informs an avant-garde poetics, I show in this paper how Baudelaire's luminescent and fluid traces of color in his urban poems, no matter how washed or pale, vividly resist the inky plumes of the Second Empire.

‘Otherwise in London’ or, the ‘Essence of Things’: Modernity and Estrangement in the Nineteenth-Century Cityscape

2015 ◽  
Vol 5 (1) ◽  
pp. 17-35
Author(s):  
Julian Wolfreys
Keyword(s):  
Nineteenth Century ◽  
William Wordsworth ◽  
Urban Landscape ◽  
Thomas De Quincey ◽  
Urban Centre ◽  
Early Nineteenth Century ◽  
Urban Representation ◽  
Robert Southey ◽  
The World ◽  
The City

Writers of the early nineteenth century sought to find new ways of writing about the urban landscape when first confronted with the phenomena of London. The very nature of London's rapid growth, its unprecedented scale, and its mere difference from any other urban centre throughout the world marked it out as demanding a different register in prose and poetry. The condition of writing the city, of inventing a new writing for a new experience is explored by familiar texts of urban representation such as by Thomas De Quincey and William Wordsworth, as well as through less widely read authors such as Sarah Green, Pierce Egan, and Robert Southey, particularly his fictional Letters from England.

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