Damage induced by atmospheric aerosol on ancient and modern building materials

1992 ◽  
Vol 23 ◽  
pp. 917-920 ◽  
Author(s):  
G. Zappia ◽  
C. Sabbioni ◽  
M.G. Pauri
2019 ◽  
Vol 16 (5) ◽  
pp. 618-634
Author(s):  
I. S. Pulyaev ◽  
S. M. Pulyaev

Introduction. The paper deals with the issues related to the implementation of the “quality” concept in the construction of reinforced concrete transport facilities linked with the scientific support during design and construction. Nowadays this problem particularly relevant in the context of the modern construction solutions, combined with the need to obtain the required properties of concrete structures and ensure the economic feasibility of construction. The aim of the research is to generalize and systematize the main methods and techniques of concrete works, which minimize the defects and cracks while the construction of transport infrastructure.Materials and methods. On the example of different technologies used in the Russian construction over last 10 years, the authors demonstrated the developed methods of obtaining high quality concrete products taking into account tested and proved modern building materials.Results. The results of the research formed the basis of the projects, technological regulations for the production, specifications and standards of organizations, guidelines. Moreover, the results also allowed implementing the concept of “quality” in transport construction based on obtaining defect-free reinforced concrete structures with specified properties, taking into account the use of modern building materials.Discussion and conclusions. The research allows carrying out construction of various massiveness and extent. The obtained results form the basis of construction technology of other industrial and civil construction objects with reinforced concrete application. The paper is interesting and useful for specialists in providing defect-free construction of reinforced concrete building structures, for engineering and technical staff. The authors dedicate the research to the memory of Professor and Doctor of Technical Sciences, A.R. Solovyanchik (1938-2019).


2014 ◽  
Vol 1022 ◽  
pp. 3-6 ◽  
Author(s):  
Valentina Ivanovna Loganina ◽  
Ludmila V. Makarova ◽  
Roman V. Tarasov ◽  
Ch.V. Zhegera

The effectiveness of the use of the synthesizable aluminosilicates in cement composites as the modifying additive, regulating the structurization and increasing the operational properties of cement systems is investigated. Nature of change of the index рН of a liquid phase of cement systems with the use of the synthesized aluminosilicates is studied. The information about a thermal emission kinetics at hardening cement composites are provided. One of the priorities of the modern building materials science is the development of efficient building materials with the high operational properties. The solution of this problem base on purposeful formation of the material structure as heterogeneous, multiphase system of the complex hierarchy. One of the directions of properties management of this system is the modification of their structure by nanosized particles [1, 2, 3].


2012 ◽  
Vol 174-177 ◽  
pp. 148-151
Author(s):  
Jian Feng Xu ◽  
Bing Li

As the most common material, concrete shows one of the most essential beauty, with the natural appearance of calm charm, innate, some heavy and elegant modern building materials can not be replicated and comparable. Material itself has a soft feel, rigid sense of warmth, cold and flu, and not only the spirit of the human impact on the senses, and can express the emotion building. So architects believe that this is a noble simplicity, seems to be simple, in fact, more than the magnificent artistic effect.


2020 ◽  
Vol 2 (4) ◽  
pp. 84-88 ◽  
Author(s):  
O. Subbotin

the questions of architectural and environmental solutions in the field of design and construction of low-rise residential buildings, including the distinctive properties of building materials due to the conditions of modern material culture, aesthetic features of the external and internal appearance of these buildings are considered. It is noted that the conceptual approach to the choice of technologies in the construction of these objects helps to determine the necessary organization and structure of work, as well as additional artistic methods of architectural expression. It is also indicated that along with the architectural expressiveness one of the main requirements for the comfort of living in a residential building becomes environmental safety. Considerable attention is paid to modern building materials and innovative technologies that form new creative challenges facing architects.


2020 ◽  
pp. 117-131
Author(s):  
Nicholas Mee

Filippo Brunelleschi was a pivotal figure in the Renaissance. He designed and constructed the dome of the cathedral in Florence whose size has only been surpassed using modern building materials. Even more influential was his invention of single-point perspective as a technique for producing geometrically realistic paintings. His methods were disseminated by Alberti and developed by painters such as Paolo Uccello and Piero della Francesca. Chapter 12 provides a simple explanation of how a perspective grid is constructed and discusses examples of its use, including Raphael’s School of Athens.


2018 ◽  
Vol 931 ◽  
pp. 883-888 ◽  
Author(s):  
Svetlana B. Yazyeva ◽  
Luiza A. Seferyan ◽  
Ludmila A. Oparina ◽  
Alina Yu. Golubeva

The article reveals the problem of green areas of the urban environment, which is becoming one of the most topical in Russian cities. The creation of comfortable housing is inextricably linked to the urban situation, the degree of urbanization of the living environment. With the increase in the size of cities, changes in the environmental situation the nature of the connection "housing – environment" is modifying. Activities for the improvement of areas, the organization of environmentally comfortable areas around the houses (the creation of parks, playgrounds in the yard, etc.) and the provision of standards of gardening in the absence of conditions for the usual long-term gardening can be carried out using mobile landscaping. The use of green recreational space in the city improvement allows solving the problem of green areas shortage, and will have a positive impact on the appearance of the city.


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