scholarly journals Design of Flexible Structural System for Building Customization

2019 ◽  
Vol 2019 ◽  
pp. 1-18
Author(s):  
Diego Lozano ◽  
Ángel Martín ◽  
Miguel A. Serrano ◽  
Carlos López-Colina
Keyword(s):  
Research Work ◽  
Structural System ◽  
Useful Life ◽  
Structural Frames ◽  
Simple Assembly ◽  
New System ◽  
Structural Length

The main aim of this research work is to design a structural system for building customization, through simple industrialized components. The system is able to adapt to different orthogonal geometries and presents the necessary flexibility to allow modifications over the structure of the building throughout its life. The so-named “flexible structural system” (FSS) is characterized by using only small industrialized components, handled by one person, which exhibit an easy and simple assembly. The new system proposes the use of just two different pieces named basic units (BUi) with only two possible thicknesses for any of them. The system is composed of only 5 different pieces. The generating process of the structural system is based on different combinations of the basic units (BUi) to obtain resistant members (RMn). These resistant members allow to build structural frames (F), and finally, the addition of structural frames allows to generate diaphanous volumes (DV) and obtain the desired structure for the building. The limit of structural length is set at 4.8 meters. Finally, an example is shown where a structure for a diaphanous volume is obtained, using the referred industrialized elements. This shows that the system is systematic and easy to understand by users. We want the users themselves to design and build their own home as well as make the necessary modifications throughout the useful life of the building. This is the final objective.

scholarly journals An Optimised Traffic Control Scheme with Preference to Emergency Vehicles Leveraging RFID

2021 ◽  
pp. 74-89
Author(s):  
Kenneth Akpado ◽  
Samuel Usoro ◽  
Nneka Ezeani
Keyword(s):  
Control System ◽  
Traffic Control ◽  
Research Work ◽  
Control Points ◽  
Emergency Vehicle ◽  
Test Bed ◽  
Traffic Light ◽  
Emergency Vehicles ◽  
Traffic Control System ◽  
New System

Emergency Vehicles (EV) such as ambulances, fire fighting vehicles, Road safety vehicles and other emergency vehicles encounter delays on their missions at traffic light control points due to traffic jams. The direct consequence of these delays results in unwarranted loss of lives and properties.  This research work proposes and implements an improved traffic control system with preference to emergency vehicles leveraging RFID technology and a novel Dynamic Traffic Sequence Algorithm (DTSA). Atmega 328 was used to actualize the novel DTSA, control the RFID and the entire traffic control system. The distance of RFID signal transmitted by the emergency vehicle was determined by physically measuring the distance of clearer signal obtained at various distances from the test bed. MATLAB was used to plot the response time of the RFID, thereby helping in the choice of RFID used. It was observed at 100 meters distance between the RFID transmitter in the emergency vehicle (EV) and the traffic light system, a clearer signal was obtained. Therefore at 100 meters the emergency vehicle will be detected and the traffic system will reset its normal routine to give right of way to the particular lane that the emergency vehicle is detected. Comparing the old and the new system it was observed that in the new system the EV will be 12minutes faster than the EV in the old system. From the result obtained, the RFID best suited for this application is active RFID. The results obtained proved that the system will effectively mitigate and almost completely eradicate the delay encountered by emergency vehicles at traffic control points.  The system will be deployed in any many cities in Nigeria that have traffic control systems installed.

scholarly journals Flexible prefabricated system moravamont 2000

2020 ◽  
Vol 212 ◽  
pp. 02005
Author(s):  
Živko P. Cuckič
Keyword(s):  
Reinforced Concrete ◽  
Return Period ◽  
Research Work ◽  
3D Technology ◽  
Construction Behaviour ◽  
Building System ◽  
Earthquake Effects ◽  
Precast Elements ◽  
New System ◽  
Prefabricated Building

At the end of a decade-long research work at the Moravamont plant in Gnjilane, a new completely prefabricated building system was created from reinforced concrete and prestressed precast elements on the track, which was called Moravamont 2000. Presented in paper final results demonstrates that the construction is well and rationally designed, that the construction behaviour for the maximum expected earthquake effects with a return period of 500 years, according to the criterion of regulation, is resistant and resistant to an earthquake without major damage. The idea is to present through new system moravamont 2000 its flexible side along with the possible development using 3D technology.

scholarly journals PRACTICAL PRODUCTIVE ACTIVITIES FOR THE DEVELOPMENT OF MATHEMATICAL COMPETENCES

2020 ◽  
Vol 1 ◽  
pp. 225-231
Author(s):  
Maria Temnikova
Keyword(s):  
Research Work ◽  
Mathematical Tasks ◽  
Primary School Students ◽  
School Students ◽  
Theoretical Concepts ◽  
Productive Activities ◽  
Measurement Units ◽  
Level Of Knowledge ◽  
The Republic ◽  
New System

Development of knowledge, skills and competences for the mathematical quantity of “length” and its measurement units represent important part of the overall education in mathematics for students from Grades 1. – 4.  This research work systematizes some theoretical concepts related to the competences. Based on the analysis of the relevant legislation in force in the Republic of Bulgaria researchers presented the relations between the specific mathematical competences and terminology from the competency Cluster “Measurement”. The research work is aimed at the development of such a methodology system of work which gives priority to practical productive activities thus facilitating development in primary school students of a higher level of knowledge, skills and competences related to the mathematical quantity of “length” and its measurement units. The new system of work was applied during the compulsory classes in mathematics in Grades 1. – 4. The research work presents some of the developed and applied options of practical activity. The researchers studied the objectiveness, the validity and the reliability of the set of tools and means used for doing diagnostics as well as the difficulty and the dividing (separating) strength of the mathematical tasks included in it. The results from the experimental work were statistically processed. 

scholarly journals New System to Increase the Useful Life of Exhausted Barrels in Red Wine Aging

Foods ◽  
2020 ◽  
Vol 9 (11) ◽  
pp. 1686
Author(s):  
Francisco Javier Flor-Montalvo ◽  
Agustín Sánchez-Toledo Ledesma ◽  
Eduardo Martínez Cámara ◽  
Emilio Jiménez-Macías ◽  
Julio Blanco-Fernández
Keyword(s):  
Quality Assurance ◽  
Red Wine ◽  
Red Wines ◽  
Physical Chemical ◽  
Useful Life ◽  
Oak Barrels ◽  
Fine Wood ◽  
Wine Aging ◽  
Intense Color ◽  
New System

In recent years, consumers of red wines have demanded aged wines with intense color and a well-integrated fine wood bouquet. Traditionally, wines with these characteristics have been obtained from aging in oak barrels. This type of vinification incurs high costs, including costs associated with the acquisition and use of oak barrels. After five or six vinifications, these barrels are no longer capable of providing an adequate contribution of wood compounds to the wine, because of the exhaustion of their transfer capacity. An alternative to extend the life of these barrels is the introduction of toasted oak staves inside the barrel. In this study, a comparative analysis of the aging of a red wine in new and renewed barrels was developed by inserting toasted staves and analyzing the wine in its different stages, as well as its physical, chemical, and colorimetric characteristics. This study confirms that the use of insert staves anchored in exhausted barrels helps to prolong the useful life of barrels, while maintaining quality assurance.

Comparison of Mechanical Properties between Grid Frame Core-Tube Structure and Tube Structure

2012 ◽  
Vol 446-449 ◽  
pp. 771-774
Author(s):  
Qi Ming Wang ◽  
Ke Jian Ma ◽  
Zhi Hua Chen ◽  
Tao Sun
Keyword(s):  
Mechanical Properties ◽  
Reinforced Concrete ◽  
Structural System ◽  
Core Tube ◽  
Structure System ◽  
High Beam ◽  
High Stiffness ◽  
Tube Structure ◽  
New System ◽  
Better Than

Reinforced concrete grid frame core-tube structure system is a new system. This article draws the conclusion that grid frame core-tube has high stiffness and obvious space affection, and that its basic mechanics properties is better than frame core-tube structure and similar to tube structure through the comparison of two tube structure systems, which the Inner tube is similar to grid frame core-tube and the outer tubes respectively are frame and high beam - column frame tube. It puts forward some reasonable suggestions for the future designation of this structural system.

scholarly journals Consumer's Attitude towards Green Supply Chain Practices and its impact on their Intentions to Buy at Fast Food Restaurants in Bahawalpur, Pakistan

2019 ◽  
Vol 1 (1) ◽  
pp. 55-64
Author(s):  
Sabeen Shahid Rehmani ◽  
Sulaman Hafeez Siddiqui
Keyword(s):  
Supply Chain ◽  
Fast Food ◽  
Research Study ◽  
Research Work ◽  
Consumer Perception ◽  
Green Supply Chain ◽  
Fast Food Industry ◽  
Fast Food Restaurants ◽  
Useful Life ◽  
The Impact

The purpose of this study is to find the impact of consumer perception on green supply chain practices in fast food places in South Punjab, Pakistan. Green supply chain practices focus on assimilating environmental thinking into the conventional supply chain, including areas like product design, material sourcing and selection, manufacturing processes, delivery of the final product as well as end-of-life management of the product after its useful life. To put it simply, green supply chain practices deal in creating an environmentally friendly supply chain that will result in an organization that not only sustains itself, but also the environment around it. This research work was conducted in South Punjab, Pakistan to see whether or not people perceived green supply chain practices important and whether that would affect their decision to dine at a certain place. To serve the purpose of the research, the data was acquired from the general population of South Punjab. The respondents included students from intermediate, people who held jobs, housewives etc. with a sample of 260 chosen randomly. The overall findings state that consumer perception is significantly affected by green supply chain practices in the fast food industry. The research is limited due to the time constraints, financial constraints and limited availability of the data. The results of this research study may not generalize to other province of the Pakistan as the study is conducted only in the context of South Punjab.

scholarly journals Tensile structures as the most advanced lightweight structures

2013 ◽  
Vol 11 (3) ◽  
pp. 269-284
Author(s):  
Vuk Milosevic ◽  
Tomislav Igic ◽  
Dragan Kostic
Keyword(s):  
Structural Material ◽  
Gaussian Curvature ◽  
Research Work ◽  
Structural Systems ◽  
Structural System ◽  
Membrane Structures ◽  
Structure System ◽  
Lightweight Structures ◽  
Negative Gaussian Curvature

Tensile structures are currently the most advanced lightweight structures. Apart from their very small self-weight, they are also characterized by a double curved form with a negative Gaussian curvature. In addition, this is one of the most recent structural systems to be designed and because of that a lot of research work is still being done on its improvement. This paper will give a brief overview of the development of tensile structures. Their most modern sub-type, membrane structures, was analyzed in more detail. The characteristics of this system, its loading and the structural material it is made of were also studied. Special attention is paid to the form of this structural system. In the end an overview of the most significant objects constructed using the tensile structure system is offered, including the Olympic stadium in Munich as an example of cable net subsystem, and the roof of the central court in Wimbledon and the stadium in Durban as representatives of the membrane subsystem. In addition to the significant advantages of this system, the drawbacks are also highlighted.

scholarly journals POTENTIALITY OF USING DIGITAL WAVELET/QMF PYRAMIDS IN REMOTELY SENSED SATELLITES’ IMAGES CLASSIFICATION

2020 ◽  
Vol 46 (4) ◽  
pp. 163-169
Author(s):  
Ahmed Serwa
Keyword(s):  
Satellite Image ◽  
Research Work ◽  
Sudden Change ◽  
Statistical Test ◽  
Image Pyramid ◽  
Original Image ◽  
Quadrature Mirror Filter ◽  
Reference Map ◽  
Spectral Responses ◽  
New System

Wavelet or quadrature mirror filter (QMF) satellites’ images are not commonly used in classification because of the modification in spectral responses that may confuse any classifier. Boundary pixels are hardly classified correctly in pixel-based classification especially in medium and coarse resolution. In such case, the sudden change in landcover is not measurable by the classifiers because the pixel may contain mor than one class. This research work is a trial to investigate the proper enhancement in accuracy that may occur by using wavelet/QMF bands’ pyramids are in classification instead of the original image bands. The reference map is prepared traditionally to measure the performance of the new system. The Wavelet/QMF image is constructed for each band of the satellite image. Then the classification is carried out for both the Wavelet/QMF image pyramid and the original satellite image using competitive learning neural networks (CLNN) method. The evaluation is carried out by comparing the classified Wavelet/QMF image with the classified original image. A statistical test is carried out to study the significance of using the classified Wavelet/ QMF image in classification.

scholarly journals Differential Settlement in Various Tubular Structural Systems

2019 ◽  
Vol 8 (4) ◽  
pp. 8100-8106
Keyword(s):  
Dimensional Space ◽  
Research Work ◽  
Shear Walls ◽  
Developed Countries ◽  
Tall Building ◽  
Differential Settlement ◽  
Percentage Increase ◽  
Tubular Structures ◽  
Structural System ◽  
Analysis And Design

Tubular structural system is a 3 dimensional space structure comprises of 3, 4 or possibly more frames, braced frames or shear walls joined at or near their edges to form a vertical tube like structural system which is capable of resisting lateral forces in any direction by cantilevering from the foundation. Tubular tall building structures have started becoming an integral part of the building scenario in developed countries. They provide various advantages over a conventional tall building in terms of flexibility of interior spacing, better utilization of material and hence lesser cost of construction. Therefore studies on various parameters that influence the serviceability of such structure is beneficial in the long run. One such parameter is the differential settlement of tubular structures is studied under this work. This research work will shed some light on the influence of differential settlement on the tubular structures. The differential settlement that would occur on four separate G+60 tubular tall structures under different framed conditions is determined using a structural analysis and design software and thereby observed that there was a gradual increase from zero at the base of structure in fixed supports whereas in spring supports there was a settlement at the base of structure. From the analysis of different tube structures like framed tube, braced tube, bundled tube and tube in tube structures, it was observed that there was a certain percentage increase in the settlement of top storey with spring support when compared to that of fixed support. Compared to other tube structures, the framed tube structure exhibited a better performance in settlement under both the support conditions.

Enumeration and Identification of Asbestos Fibres in Water

1974 ◽  
Vol 32 ◽  
pp. 526-527 ◽  
Author(s):  
O. Mudroch ◽  
J. R. Kramer
Keyword(s):  
Water Supply ◽  
Water Samples ◽  
Drainage Basin ◽  
Lake Superior ◽  
Research Work ◽  
List Type ◽  
The West ◽  
Asbestos Fibre ◽  
Amphibole Asbestos

Approximately 60,000 tons per day of waste from taconite mining, tailing, are added to the west arm of Lake Superior at Silver Bay. Tailings contain nearly the same amount of quartz and amphibole asbestos, cummingtonite and actinolite in fibrous form. Cummingtonite fibres from 0.01μm in length have been found in the water supply for Minnesota municipalities.The purpose of the research work was to develop a method for asbestos fibre counts and identification in water and apply it for the enumeration of fibres in water samples collected(a) at various stations in Lake Superior at two depth: lm and at the bottom.(b) from various rivers in Lake Superior Drainage Basin.

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