scholarly journals Constructive systems, load-bearing and enclosing structures of high-rise buildings

2018 ◽  
Vol 33 ◽  
pp. 01043 ◽  
Author(s):  
Elena Anatol’evna Korol’ ◽  
Yuliya Olegovna Kustikova
Keyword(s):  
Construction Materials ◽  
Outer Part ◽  
Climatic Conditions ◽  
Structural Systems ◽  
Cross Wall ◽  
Structural Elements ◽  
High Rise ◽  
Load Carrying ◽  
The Subject ◽  
Structural Solutions

As the height of the building increases, loads on load-carrying structures increase dramatically, and as a result of the development of high-rise construction, several structural systems of such buildings have been developed: frame, frame-frame, cross-wall, barrel, box-type, box-to-wall ("pipe in pipe", "Trumpet in the farm"), etc. In turn, the barrel systems have their own versions: cantilever support of the ceilings on the trunk, suspension of the outer part of the overlap to the upper carrying console "hanging house" or its support by means of the walls on the lower bearing cantilever, intermediate position of the supporting cantilevers in height to the floor, from a part of floors. The object of the study are the structural solutions of high-rise buildings. The subject of the study is the layout of structural schemes of high-rise buildings, taking into account the main parameters - altitude (height), natural climatic conditions of construction, materials of structural elements and their physical and mechanical characteristics. The purpose of the study is to identify the features and systematization of structural systems of high-rise buildings and the corresponding structural elements. The results of the research make it possible, at the stage of making design decisions, to establish rational parameters for the correspondence between the structural systems of high-rise buildings and their individual elements.

scholarly journals Comparison of the planned and actual course of construction of reinforced concrete monolithic structures

2021 ◽  
Vol 1209 (1) ◽  
pp. 012011
Author(s):  
R Doubek
Keyword(s):  
Reinforced Concrete ◽  
Climatic Conditions ◽  
Construction Site ◽  
Structural Elements ◽  
Slowing Down ◽  
General Contractor ◽  
Project Documentation ◽  
The Subject ◽  
Monolithic Structures

Abstract During construction, there is often a change in contractual terms, either in advance of construction or delayed construction. This phenomenon is due to many influencing factors such as delayed subcontracting, climatic conditions, the surrounding construction site, the quality of project documentation, the solvency of the investor, the expertise of the general contractor, etc. The aim of the paper is to assess the planned and actual construction of reinforced concrete monolithic structural elements using tower cranes. The subject of the paper is to state the expected method of implementation in time and how the construction proceeded. Milestones for accelerating and slowing down construction, analyzing their causes and proposing future measures will be presented. Data are obtained by measuring real buildings.

scholarly journals Parametric Analysis of the Shear Lag Effect in Tube Structural Systems of Tall Buildings

2020 ◽  
Vol 11 (1) ◽  
pp. 278
Author(s):  
Ivan Hafner ◽  
Anđelko Vlašić ◽  
Tomislav Kišiček ◽  
Tvrtko Renić
Keyword(s):  
Parametric Analysis ◽  
Numerical Models ◽  
Tall Buildings ◽  
Structural Systems ◽  
Structural Elements ◽  
Structural System ◽  
Shear Lag ◽  
Shear Lag Effect ◽  
Lag Effect ◽  
Secondary Structural Elements

Horizontal loads such as earthquake and wind are considered dominant loads for the design of tall buildings. One of the most efficient structural systems in this regard is the tube structural system. Even though such systems have a high resistance when it comes to horizontal loads, the shear lag effect that is characterized by an incomplete and uneven activation of vertical elements may cause a series of problems such as the deformation of internal panels and secondary structural elements, which cumulatively grow with the height of the building. In this paper, the shear lag effect in a typical tube structure will be observed and analyzed on a series of different numerical models. A parametric analysis will be conducted with a great number of variations in the structural elements and building layout, for the purpose of giving recommendations for an optimal design of a tube structural system.

Profile beams with adaptive bending–twist coupling by adjustable shear centre location

2012 ◽  
Vol 24 (3) ◽  
pp. 334-346 ◽  
Author(s):  
Wolfram Raither ◽  
Andrea Bergamini ◽  
Paolo Ermanni
Keyword(s):  
Flexural Rigidity ◽  
Variable Stiffness ◽  
Structural Elements ◽  
Lightweight Structures ◽  
Load Carrying ◽  
Structural Concept ◽  
Simulation And Experiment ◽  
Coupling Stiffness ◽  
Shear Centre

Semi-active structural elements based on variable stiffness represent a promising approach to the solution of the conflict of requirements between load-carrying capability and shape adaptivity in morphing lightweight structures. In the present work, a structural concept with adaptive bending–twist coupling aiming at a broad adjustment range of coupling stiffness while maintaining high flexural rigidity is investigated by analysis, simulation and experiment.

The Role of Wind on Double Skin Facades in High Rise Office Building

2013 ◽  
Vol 787 ◽  
pp. 711-716
Author(s):  
Daryanto ◽  
Eko Budihardjo ◽  
Wahyu Setyabudi ◽  
Gagoek Hardiman
Keyword(s):  
Energy Conservation ◽  
Building Envelope ◽  
Office Buildings ◽  
Thermal Discomfort ◽  
High Rise ◽  
Double Skin ◽  
The Subject ◽  
Air Conditioning Systems ◽  
Double Skin Facades

There was an indication that high rise buildings in Jakarta was not designed based on energy conservation principles. The most important aspects of the high-rise buildings is energy saving technology located in the building envelope design. Building envelope with a full glass design functions for widening view and enhancing natural lights, even though but it is also increasing energy consumption and thermal discomfort due to the intensity of solar radiation in hot humid climates. During the current decade, the development of double building envelope type (Double Skin Façade: DSF) seemed more just to improve the aesthetics and the use of natural light, while the wind and thermal performance aspects were still lack of serious consideration. Those aspects will be chosen as the subject matter in this research. The research was aimed to investigate and compare the value of heat transfer in the building envelope of high-rise office buildings. Samples were taken from five DSF buildings, with closed and open cavity. CFD software is used for simulation of the five different models of DSF. The research proves that the high-rise office buildings as the research object in Jakarta do not apply energy conservation principle. The utilization of wind in the DSF cavity can reduce temperature and relieve the burden of air conditioning systems that is energy save. An important finding of the research is the need for ventilation in the design of a double skin at high-rise office buildings in the humid tropics.

Earthquake induced floor accelerations on a high-rise building: Scale model tests on a shaking table

2021 ◽  
Author(s):  
Fabio Rizzo ◽  
Alessandro Pagliaroli ◽  
Giuseppe Maddaloni ◽  
Antonio Occhiuzzi ◽  
Andrea Prota
Keyword(s):  
Soil Structure ◽  
Shaking Table ◽  
Soil Structure Interaction ◽  
Scale Model ◽  
Structural Elements ◽  
Shaking Table Tests ◽  
Building Model ◽  
High Rise ◽  
High Rise Building ◽  
Story Building

<p>The paper discusses results of shaking table tests on an in-scale high-rise building model. The purpose was to calibrate a dynamic numerical model for multi-hazard analyses to investigate the effects of floor acceleration. Accelerations, because of vibration of non-structural elements, affect both the comfort and safety of people. The research investigates the acceleration effects of both seismic and wind forces on an aeroelastic in-scale model of a multi-story building. The paper discusses the first phase of experiments and gives results of floor accelerations induced by several different base seismic impulses. Structural analyses were first performed on the full-scale prototype to take soil-structure interaction into account. Subsequently the scale model was designed through aeroelastic scale laws. Shaking table experiments were then carried out under different base accelerations. The response of the model and, in particular, amplification of effects from base to top are discussed.</p>

The Structure of a Free Speech Right

2021 ◽  
pp. 212-230
Author(s):  
Stephen Gardbaum
Keyword(s):  
Free Speech ◽  
Freedom Of Expression ◽  
Common Law ◽  
Structural Elements ◽  
The Third ◽  
The Subject ◽  
The Right ◽  
Free Speech Rights

This chapter describes the structural elements or components of a free speech right. The nature and extent of a free speech right depends upon a number of legal components. The first is the legal source of the right (in common law, statute, or a constitution) and the force of the right having regard to how it is enforced, and whether and how it can be superseded. The second component is the ‘subject’ of free speech rights, or who are the rights-holders: citizens, natural or legal persons. The third is the ‘scope’ of a free speech right, while the fourth is the kind of obligation it imposes on others: a negative prohibition or a positive obligation. The fifth component is the ‘object’ of a free speech right: who is bound to respect a right of freedom of expression and against whom the right may be asserted. Finally, there is the ‘limitation’ of a free speech right.

Influence of Ground Structure on the Seismic Response of Underground Subway Station in Soft Site

2011 ◽  
Vol 368-373 ◽  
pp. 2769-2775 ◽  
Author(s):  
Hui Long ◽  
Guo Xing Chen ◽  
Hai Yang Zhuang
Keyword(s):  
Seismic Response ◽  
Underground Structure ◽  
Outer Part ◽  
Subway Station ◽  
Analysis Model ◽  
Ground Structure ◽  
Element Analysis ◽  
High Rise ◽  
Underground Subway Station ◽  
Subway Stations

This paper selected representative soft site along the subway lines and created two-dimensional overall finite element analysis model about nonlinear dynamic interaction among soil, underground subway station, and ground structure based on Nanjing underground subway station. It explored the seismic response influence of neighboring high-rise structure on the two-layer and three-span island-type underground subway stations. The results showed that the structure near the subway station had a significant constraint effect on the deformation of subway station which is oriented to the structure, and the influence of deformation of subway station which is backward to the structure is related to vibration characteristics of the soil-underground structure interaction system. The influence of neighboring ground structure on the strain stress response of subway station is useful in most part of important nodes. However, this influence is disadvantageous in the outer part of connections of side walls and plates and middle plate-interior column connections.

Problems for the architect and town planner caused by air in motion

1971 ◽  
Vol 269 (1199) ◽  
pp. 335-341 ◽  
Keyword(s):  
The Other ◽  
Short Paper ◽  
High Rise ◽  
Engineering Problems ◽  
Original Contribution ◽  
Motion Range ◽  
The Subject

This short paper makes no original contribution to knowledge but simply describes and identifies a range of problems encountered in practice by town planners and architects. The term ‘ architectural ’ in the subject title of the Discussion Meeting is taken to imply that the results of aerodynamic research are now as applicable to architectural as to engineering problems. Architecture is broadly interpreted as the coordination of many techniques to give significant form to social programmes. As this is a comprehensive activity, it follows that the problems caused by air in motion range from the location and layout of whole cities at one end of the scale, to the design of a window or the control of an ornamental jet of water at the other. In the middle of this range typical problems arise from the siting of buildings singly and in groups, and in the structure and cladding of high-rise and low-rise buildings to resist wind, rain penetration and air-borne pollution.

Explore on High-Rise Residential Appearance and Integration of Solar Flat Plate Collector Design in Panzhihua City

2014 ◽  
Vol 986-987 ◽  
pp. 664-668
Author(s):  
Qian Zhang ◽  
Chun Lin Bian
Keyword(s):  
Flat Plate ◽  
Climatic Conditions ◽  
Alternative Solution ◽  
Paper Briefly ◽  
High Rise ◽  
Heat Collector ◽  
Flat Plate Collector

Firstly, this paper briefly introduces Panzhihua City’s location, climatic conditions and hours of sunshine. Secondly, it proposes alternative solution of integrating the heat collector with high-rise residential building’s facades. Thirdly, several equations on heat collector’s area, row distance, and azimuth are explained and discussed.

scholarly journals Land dispute as an object of arbitration process

2021 ◽  
Vol 39 (3) ◽  
pp. 118-122
Author(s):  
M. A. Magomedova ◽  
Keyword(s):  
Russian Federation ◽  
Structural Elements ◽  
Legal Concept ◽  
Land Dispute ◽  
Correct Definition ◽  
Arbitration Process ◽  
The Subject ◽  
The Russian Federation ◽  
Characteristic Features ◽  
Definition Of

In the current legislation of the Russian Federation, there is no concept of a land dispute, which causes difficulties in determining the competence of an arbitration court in cases in which the object of the dispute is land. The article analyzes the general legal concept of a dispute and the sectoral concept of a land dispute developed by scientists. The author identified the characteristic features of a land dispute and its structural elements. The work reveals the influence of the structural elements of the land dispute on the type of production in which the dispute will be considered. In addition, the author concludes that the correct definition of the structural elements of the land dispute enables the arbitration court to determine the appropriate persons participating in the case, the subject of proof, the relevance and admissibility of evidence, and ultimately make a lawful and wellgrounded court decision.

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