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  • Open Access
    Authors: 
    Yiyuan Zhang; Ya Wang; Pengfei Chen;
    Publisher: Atlantis Press
  • Open Access
    Authors: 
    Jevgenijs Gusevs; Dmitrijs Serdjuks; Gulnaz Artebjakina; Elizabeth Afanasjeva; Vadims Goremikins;
    Publisher: Saint Petersburg State Polytechnical University

    Long-span roofs have been of an increased interest within the last sixty years. An arch-type steel roof of velodrome with the maximum span, height, and length equal to 109.50, 23.07, and 126.00 m respectively, is considered as the object of the current investigation. Th...

  • Closed Access
    Authors: 
    Anton Cheban; Natalia Petrovna Khrunina;
    Publisher: Trans Tech Publications, Ltd.

    Sometimes in open mining, it is economically expedient to extract and transport rock mass with the help of wheel tractors-scrapers. To improve the hopper filling with the rock mass operating with clay or loosened rocks, it is advisable to use scrapers equipped with load...

  • Open Access
    Authors: 
    Qiao Li; Motohiko Murai;
    Publisher: Japan Society of Naval Architects and Ocean Engineers
  • Open Access
    Authors: 
    Masoud Fahool; Ali Reza Sabet;
    Publisher: SciTech Solutions

    When an applied shear to a fluid results in steep rise in its viscosity, it is referred to as Shear Thickening Fluid (STF). In this study, we investigate rheological response of bimodal against mono-dispersed nano sized silica particles in an STF system. Two sizes of na...

  • Open Access
    Authors: 
    Shahab Samad; Attaullah Shah; M.C. Lambachiya; S.B. Desai;
    Publisher: SciTech Solutions

    Binary Cement incorporating Supplementary Cementitious Material (SCM) is widely used in concrete to reduce the cement consumption in construction industry. Cement production is a major source for the emission of Green House Gases (GHG) and there is an increasing pressur...

  • Closed Access
    Authors: 
    Thiel, Charles C.; Zsutty, Theodore C.;
    Publisher: Wiley
  • Open Access
    Authors: 
    Edwin Espinel Blanco; Armando Ardila Delgado; Carlos Acevedo Penaloza;
    Publisher: Hikari, Ltd.
  • Open Access
    Authors: 
    A. Rabiei; A. Najafi-Jilani; A. Najafi-Jilani; M. Zakeri-Niri;
    Publisher: SciTech Solutions

    The primary goal of this study is to present a better way in terms of cost and experimenting duration, instead of using experimental ways for investigating the wave run-up (Ru) over rubble-mound breakwater and examining the effect of placement pattern of antifer units o...

  • Open Access
    Authors: 
    Reza Sourki; M. Ayatollahi; M.M. Monfared;
    Publisher: SciTech Solutions

    In this paper, the mode III crack problem of a non-homogenous layer bonded to an elastic half-plane is considered. It is assumed that the half plane is homogeneous and the layer is non-homogeneous in which the elastic properties are continuous throughout the layer. The ...

  • Open Access
    Authors: 
    Robert B. Fleischman; Kim Seeber;
    Publisher: SciTech Solutions

    Thoughtfully-chosen, properly-designed new construction can significantly improve both the resilience to natural and man-induced disasters and the long-term sustainability of modern urban environments in the 21st century. In particular, precast/prestressed concrete cons...

  • Authors: 
    Mohammadreza Moharrami; Ioannis Koutromanos;
    Publisher: American Society of Civil Engineers
  • Authors: 
    W. Martinek; Z. Tokarski; K. Pietrzak;
    Publisher: Wydawnictwo SIGMA-NOT, sp. z.o.o.
  • Authors: 
    Tadahiro Hyakudome; Toshihiro Tani; Hideki Ito; Koki Sugihara;
    Publisher: IEEE

    The use of Autonomous Underwater Vehicles (AUVs) is now widespread among the underwater observation and survey. Because AUVs are not restricted by an umbilical cable, we think that AUVs have the most suitable form to collect ocean data or work depending on subjects of s...

  • Open Access
    Authors: 
    Klaus Holschemacher; Ahsan Ali;
    Publisher: IOP Publishing
  • Publication . Article . 2018
    Open Access
    Authors: 
    Ivan Gschwendt;
    Publisher: Walter de Gruyter GmbH

    Abstract The cost of road construction and expenditures on the maintenance of pavements, i.e., their whole life cost, represents a lot of money. The paper describes a procedure for a pavement management system with degradation models and estimates the length of time fo...

  • Open Access
    Authors: 
    Gholamreza Zendehbudi;
    Publisher: SciTech Solutions

    In the present work, a numerical method to solve the problem of free convec-tion in enclosures with complex geometries is developed. This development isexecuted by the combination of projection and Galerkin nite element methods.Nine-node (quadratic) quadrilateral elemen...

  • Open Access
    Authors: 
    Soroush Heydari; Saeed Asil Gharebaghi;
    Publisher: SciTech Solutions

    Modal analysis is the process of determination of the natural frequencies and mode shapes of structures. In practical problems, modal analysis may be repeated many times, which results in a huge amount of computations. Although parallel processing technique can reduce t...

  • Open Access
    Authors: 
    Steven Wood; Jonathan D. Regehr;
    Publisher: Canadian Science Publishing

    The permits governing longer combination vehicle (LCV) activity in Canada aim to leverage LCV productivity advantages relative to other truck configurations while subjecting LCV operations to stringent regulatory controls. As of 2016, nine of the 13 provinces and terri...

  • Authors: 
    Pradeep K. Saroj; Sanjeev A. Sahu; Amares Chattopadhyay;
    Publisher: Begell House
  • Authors: 
    Thvvrn Sunil; Malavatu Jayachandra; Rajendra Prasad;
    Publisher: IEEE

    This paper presents a neural network controller for reducing ship's roll motion using active-fin stabilizers. Classical PID controllers fail to control the ship's roll when dynamic parameters of ship change. An innovative approach was used to overcome this disadvantage ...

  • Authors: 
    Ahmed M. Reda; Gareth L. Forbes; Ibrahim A. Sultan; Ian Howard;
    Publisher: ASME International

    Flow of gas in pipelines is subject to thermodynamic conditions which produces two-phase bulks (i.e., slugs) within the axial pipeline flow. These moving slugs apply a moving load on the free spanning pipe sections, which consequently undergo variable bending stresses, ...

  • Open Access
    Authors: 
    Mohammad Mostafa Mohammadi; Mohsen Hamedi;
    Publisher: JVE International Ltd.

    Piezoelectric resonators are widely applied in frequency control components in electronic devices, digital computers, and telecommunication. The stability of these resonators are affected by force-frequency and temperature-frequency effects. In this paper, a simple labo...

  • Open Access
    Authors: 
    D. Veysmoradi; Behnam Vahdani; M. Farhadi Sartangi; Seyed Meysam Mousavi;
    Publisher: SciTech Solutions

    In this study, the response phase of the management of natural disasters is investigated. One of the important issues in this phase is determining the distribution areas and timely distribution of relief to affected areas in which transportation routing is of a critical...

  • Open Access
    Authors: 
    Adrian Bota; Dorian Bota;
    Publisher: Elsevier BV

    Abstract The bridge over the Timis River in Albina, assures the connection between the city of Timisoara and Lugoj through the city of Buzias, facilitating the access to the county capital for the inhabitants of this area. Due to the important economical development of ...

  • Authors: 
    Manh Tuan Nguyen; Anh Thang Le;
    Publisher: IEEE

    These days, steel slag is one of big problem in Vietnam because there are too much steel slag produced from steel industries, especially electric-arc furnace slag. In order to use this by-product in highway, especially in hot mix asphalt, the main objective of this pape...

  • Open Access Polish
    Authors: 
    Malwina Spławińska; Krystian Woźniak;
    Publisher: Rzeszow University of Technology

    Czas przeprowadzania pomiarów wyrywkowych (okres w roku i dobie) determinuje dokładność szacowania poziomu hałasu. Dlatego też istnieje konieczność określenia ujednoliconych procedur wyznaczania miarodajnych wartości parametrów ruchu do obliczeń LpAeq w szczególności w ...

  • Open Access
    Authors: 
    Tadashi Ishihara; Kohei Sato; Kento Suzuki; Masayuki Nagano;
    Publisher: Architectural Institute of Japan
  • Authors: 
    Athul Sasikumar; Arun Kamath; Onno Musch; Hans Bihs; Øivind Asgeir Arntsen;
    Publisher: ASME International

    Harbors are important infrastructures for an offshore production chain. These harbors are protected from the actions of sea by breakwaters to ensure safe loading, unloading of vessels and also to protect the infrastructure. In current literature, research regarding the ...

  • Open Access
    Authors: 
    Mojdeh Monjezi; Mohammad Said Saidi;
    Publisher: SciTech Solutions

    In this work, the human lung alveoli are idealized by a three dimensional honeycomb like geometry and a fluid-structure analysis is performed to study the normal breathing mechanics. In contrast to previous works in which the inlet flow rate is predened, in this model, ...

  • Open Access English
    Authors: 
    Mun Sung Kim; Kwang Hyo Jung; Sung Boo Park;
    Publisher: Faculty of Mechanical Engineering and Naval Architecture
    Country: Croatia

    As oil or gas field moves deeper offshore area, offshore offloading operations such as Tandem or Side-by-Side arrangement between two floating structures take place in many locations throughout the world and also have many hydrodynamic problems. Therefore, the researche...

  • Closed Access
    Authors: 
    Peter Lougheed; Eric Hildebrand;
    Publisher: Canadian Science Publishing

    Road Safety Audits (RSAs) include an independent review process that has increasingly been incorporated into the Design-Build-Operate model for (typically) large-scale freeway construction projects throughout Canada. While recent research has suggested that RSAs are a c...

  • Open Access English
    Authors: 
    Longyu Jiang; Song Wenbo; Zhe Zhang; Yang Chunfeng; Wang Shijie; Philippe Roux;
    Publisher: HAL CCSD
    Country: France

    International audience; Subspace algorithms based on higher-order cumulants were developed to achieve high-resolution separation in non-Gaussian processes. However, singular value decomposition (SVD) of a huge matrix is an unavoidable step of these algorithms. The memor...

  • Authors: 
    R. R. Soman; C. T. Wiegand; Tanvir Ahmed Toshon; M. O. Faruque; Michael Steurer;
    Publisher: IEEE

    Relatively new concepts such as concurrent engineering (CE) and set-based design (SBD) are being actively pursued by the US Navy to advance a paradigm shift in designing the next generation fleet of surface combatants. Collective work is ongoing toward developing a comp...

  • Open Access English
    Authors: 
    Rasmussen, Thomas Bøjer; Pilgaard Ulrichsen, Sinna; Nørgaard, Mette;

    Thomas Bøjer Rasmussen, Sinna Pilgaard Ulrichsen, Mette Nørgaard Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus N, Denmark Background: Monitoring hospital outcomes and clinical processes as a measure of clinical performance...

  • Open Access English
    Authors: 
    Kim Wallin; Päivi Karjalainen-Roikonen; Sakari Pallaspuro;
    Publisher: International Society of Offshore and Polar Engineers ISOPE
    Country: Finland

    The lack of design rules limits the application of Very High Strength Steels (VHSS). One critical point limiting their use lies in their poorly documented low-temperature fracture properties in relation to more conventional steels. The two major concepts governing the a...

  • Authors: 
    James Langston; Mark Stanovich; Karl Schoder; Michael Steurer;
    Publisher: IEEE

    This paper presents a novel algorithm for representing the effects of an optimal energy scheduling system in early stage analyses of systems employing distributed energy storage. The algorithm was developed in the context of a framework for analysis of systems employing...

  • Open Access English
    Authors: 
    Oleksandr V. Bondarenko; Valery Nekrasov; Oleksii Yastreba;
    Publisher: Faculty of Mechanical Engineering and Naval Architecture
    Country: Croatia

    The article deals with the current problem of improving the effectiveness of the harbour tug fleet. The methodology of the selection of optimal structure of the tug assistance has been suggested. It is based on the methods of statistical modelling, the queuing theory an...

  • Open Access
    Authors: 
    Majid Sedghi; Siamak Kazemzadeh Hannani;
    Publisher: SciTech Solutions

    The main objective of this work is to provide an electric supply to remote Iranian villages that have no access to electricity grid using a stand-alone hybrid system. The hybrid systems considered in this study consist of a photovoltaic array, wind turbine, diesel gener...

  • Authors: 
    Goutam Dutta; Medha Ashtekar;
    Publisher: Inderscience Publishers

    The manufacturing of hot metal in a blast furnace is one of the important parts of an integrated steel plant. In a blast furnace, the quality and productivity of the output (hot metal) depends on a large number of input and operating variables. In this paper, we simulat...

  • Open Access
    Authors: 
    Mücahit Opan;
    Publisher: SciTech Solutions

    The pollution, changing according to various standards, is directly proportional to water quality in rivers. In this study, data and restrictions prescribed for standards of water quality such as Turkish Standards Institute (TSI), European Commission (EC), and the World...

  • Closed Access
    Authors: 
    Rasoul Saadian; Abdolrahim Taheri;
    Publisher: Springer Science and Business Media LLC

    Fatigue has long been recognized as an important consideration for designing offshore structures and intensive cooperative industry research on tubular joints. In this paper, fatigue life assessment for welded tubular joints of aging fixed platforms is numerically asses...

  • Authors: 
    Hamid Farhad Mollashahi; Kasra Khajavi; Asieh Khadem Ghaeini;
    Publisher: American Society of Civil Engineers (ASCE)

    AbstractIn general, the use of superelevation and changes in a road’s transverse slope are typically based on the road’s design speed to provide safety and comfort for a vehicle driving on a horizo...

  • Open Access
    Authors: 
    Jalal Mofidi; Akbar Rashidi Ebrahim Hesari;
    Publisher: CMV Verlag

    A three-dimensional primitive equation model has been developed to study wind-driven currents in the Caspian Sea (CS). The equations were solved in the spherical coordinate system with a vertical array of pressure-sigma using a finite difference Method on a staggered mo...

  • Open Access Portuguese
    Authors: 
    Gregory Lee Pinheiro; Roberto Chust Carvalho; Fernando Menezes de Almeida Filho;
    Publisher: Rede Latino-Americana de Materiais

    RESUMO Este trabalho aborda a influência do momento e número de alvéolos preenchidos no ganho de resistência à força cortante em lajes alveolares pré-fabricadas, por meio de um estudo teórico que faz uso das equações contidas na ABNT NBR 14861-2011 para o cálculo da res...

  • Open Access
    Authors: 
    Tianri Wang; Juan Liu; Jizu Li; Ye Xue; Hong Dai;
    Publisher: SciTech Solutions

    Collaborative network (CN) as a new emerging paradigm can rapidly answer market demands by effective enterprise collaboration and coordination. Nowadays, it has become a potential solution for different organizations to manage their businesses effectively. Thus, selecti...

  • Open Access English
    Authors: 
    Alexandru Poenaru;
    Publisher: The Authors. Published by Elsevier Ltd.

    Abstract During the last decade, due to the increasing need for commercial spaces with access to the subway, tall buildings were constructed in the north of Bucharest. These buildings transmit high loads on the foundation ground and require foundation systems that ca en...

  • Open Access
    Authors: 
    Deepesh Kumar Singh Lodhi;
    Publisher: eSAT Publishing House

    Semi Dense Bituminous concrete (SDBC) is the upper bituminous layer of the road subjected to moderate traffic loads. The grading of aggregates used to prepare the SDBC mix should fall within the limits specified in MoRTH. For each aggregate fraction there is a specified...

  • Open Access
    Authors: 
    M. Iwanek; Paweł Suchorab; Małgorzata Karpińska-Kiełbasa;
    Publisher: Periodica Polytechnica Budapest University of Technology and Economics

    The result of a breakage of a buried water pipe is the watermovement in soil, which can cause that fine soil particles arewashed out from the solid matrix and transported through pores(suffosion process). It is widely known that the most hazardoussuffosion effects in ur...

  • Open Access
    Authors: 
    Mohammad Asim; M. Zubair Khan; L. Alam Khan; Muhammad Umer;
    Publisher: SciTech Solutions

    Quality problems in the polymer composite products are mainly attributed to design flaws, material inconsistencies, defects in manufacturing process, unqualied manpower, use of primitive technology, and defective machines. The purpose of this research is to develop a ge...