The study of the basics of modeling of technical processes and objects forms the scientific basis for substantiating theoretical conclusions and postulates, classifying and developing the structures of theoretical models and justifying practical methods of preparation and implementation of (construction) production, which, in turn, influence the adoption of legal and regulatory innovations and statements. The article analyzes the types of modeling and models, scientific, technical, legal and regulatory contexts of the use of the concepts of «information modeling» in construction, and compares them with classical methods and tasks of modeling technical systems in solving scientific and engineering problems. The classification of scientific methods of modeling and models of technical objects and systems in construction is carried out. Examples of analytical models from the point of view of their classification and purpose are considered. It is shown that in the absence of clear scientific definitions of the concepts of «information», «model» and «modeling», given in terms of the actual field of knowledge, or application, the concept of «information model» comes into conflict with scientific and engineering ideas about the properties and purpose of the model. An approach is proposed to avoid the misuse of the concepts of «model» and « modeling».
The organizational and technological solutions for high-rise buildings construction efficiency increase are considered, primarily – decrease of typical floor construction time and improvement of bearing structures concrete quality. The essence of offered technology is: a concrete mixing station and a polygon mainly for load-bearing wall panels with starter bars casting are located on the building site; for reinforced concrete components manufacturing and butt joints grouting the warmed-up concrete mixtures are used. The results of researches and elaborations carried out by the SPSUACE in area of a preliminary warming-up of concrete mixtures are presented. The possibility and feasibility of their usage in high-rise buildings and of excess height buildings construction including cast-in-place and precast execution are shown. The essence of heat-vibro treating of concrete mixture is revealed as a kind of prior electroresistive curing, and the achieved results are: accelerated concrete strength gain, power inputs decrease, concrete quality improvement. It is shown that the location of a concrete mixing station on the building site enables to broaden possibilities of the “thermos” method use and to avoid concrete mixtures warming up in medium-mass structures erection (columns, girders) during the high-rise buildings construction. It is experimentally proved that the splice between precast elements encased with warmed-up concrete mixture is equal with conjugated elements in strength.
In this article questions of operational management of construction processes are considered, functions of management system of the construction and providing processes in the construction and Assembly enterprise are given. The article presents the methods of management system organization in CIC and its structure, types, types and forms of management in CIC. In addition, the article presents the main definitions related to management and organization in the CIC. The questions of delayed proactive and delayed lagging control at the stages of project preparation and construction works are considered. Introduced a new concept in the management system of the organization-the tension of operational management of the construction process. It is proved that the management system of the organization using methods of operational adaptive, tracking and optimum planning of performance of construction and providing processes implementing the criterion of the minimum intensity of Tom → 1 and operating with considerable arrays of the current values of parameters of management represents the perspective direction of introduction of information technologies in activity of the construction enterprises.
The dependences of foam concrete properties on various factors, which are divided into 4 groups, are considered. The dependence of physical and mechanical properties on the properties of materials, conditions for maintaining foam concrete, on the brand and mineralogical composition of cement was revealed. Joint and separate methods of preparing a foam concrete mixture using pressure-chamber turbulence-cavitation mixers and modernized standard forced-action mortar mixers are considered. The importance of technological influence of temperature in foam concrete technology is determined. Methods of transportation of foam concrete mix, which also affect the properties of the material, are considered.
In recent years, the technology of design and construction of buildings has changed significantly both in terms of applied structural solutions, and in terms of the use of construction machines, mechanisms, equipment. The recent significant qualitative leap in the development of methods and ways of organizing the implementation of individual technological processes and their complexes requires an improvement in the methodological approach to the adoption of organizational and technological decisions as part of the documentation developed during the design and construction of facilities.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
customersupport@researchsolutions.com
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.