88   Artículos

« Anterior     Página: 1 de 5     Siguiente »

 
en línea
Zeqiang Wang, Guoliang Shi, Zhansheng Liu, Yanchi Mo, Bo Si, Yang Hu and Yongliang Wang    
The construction process of cable net structure is complicated, which leads to the strong randomness of construction errors. The safety state of the cable net structure is very sensitive to construction errors. Obtaining the coupling relationship between... ver más
Revista: Buildings    Formato: Electrónico

 
en línea
Maarten Bassier, Stan Vincke, Heinder De Winter and Maarten Vergauwen    
Construction site monitoring is currently performed through visual inspections and costly selective measurements. Due to the small overhead in construction projects, additional resources are scarce to frequently conduct a metric quality assessment of the... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

 
en línea
Antonio Sanchez    
This paper discusses a model based on the agency theory to analyze the optimal transfer of construction risk in public works contracts. The base assumption is that of a contract between a principal (public authority) and an agent (firm), where the paymen... ver más
Revista: Revista de la Construcción    Formato: Electrónico

 
en línea
Min Zhao, Danyang Qin, Ruolin Guo and Xinxin Wang    
With the continuous expansion of the market of indoor localization, the requirements of indoor localization technology are becoming higher and higher. Existing indoor floor localization (IFL) systems based on Wi-Fi signal and barometer data are susceptib... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

 
en línea
Lianmeng Chen, Yijie Liu, Yihong Zeng, He Zhang and Yiyi Zhou    
Construction errors are unavoidable in actual cable-bar tensile structures. Construction error analysis, evaluation, and especially adjustment theories were still in their infancy. For the improvement of the situation, based on the equilibrium equation, ... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Jabar H. Yousif, Saif N. Abdul Majeed and Fouad J. I. Al Azzawi    
Quantity Surveying (QS) is a process concerned with controlling and managing the costs of construction projects. QS Measurement relies on sophisticated measurement rules that are understood by experienced practitioners. Traditional QS systems, such as st... ver más
Revista: Infrastructures    Formato: Electrónico

 
en línea
Oluwaseun Sunday Dosumu     Pág. 1 - 26
One of the highly rated causes of poor performance is errors in contract documents. The objectives of this study are to investigate the prevalent errors in contract documents and their effects on construction projects. Questionnaire survey and 51 case st... ver más
Revista: Construction Economics and Building    Formato: Electrónico

 
en línea
Xingfu Zhang, Yongyi Zhang, Bofeng Li and Guangxin Qiu    
In the construction of super-tall buildings, it is rather important to control the verticality. In general, a laser plummet is used to transmit coordinates of reference points from the ground layer-by-layer, which can effectively control the verticality ... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Oluwaseun Sunday Dosumu     Pág. 1 - 26
One of the highly rated causes of poor performance is errors in contract documents. The objectives of this study are to investigate the prevalent errors in contract documents and their effects on construction projects. Questionnaire survey and 51 case st... ver más

 
en línea
Yin-Chen Lin, Jyun-Jie Wang, Sheng-Chih Yang and Chi-Chun Chen    
This paper presents a joint source?channel image transmission model based on a modified trellis construction using variable-length and fixed-length codes. The model employs linear block trellis codes and a modified Bahl?Cocke?Jelinek?Raviv algorithm for ... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Amer Darweesh, Marwan Alquran and Khawla Aghzawi    
In this paper, we present a robust algorithm to solve numerically a family of two-dimensional fractional integro differential equations. The Haar wavelet method is upgraded to include in its construction the Laplace transform step. This modification has ... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
John P. Perdew, Jianwei Sun, Adrienn Ruzsinszky, Pál D. Mezei, Gábor István Csonka     Pág. 2 - 7
While most molecules and solids are spin-unpolarized, most chemically-active atoms are partly spin-polarized. As a result, the errors of the spin-dependence of a density functional are much more troublesome for atomization energies than they are for typi... ver más
Revista: Periodica Polytechnica: Chemical Engineering    Formato: Electrónico

 
en línea
Yu. I. Khmarskyi     Pág. 259 - 262
A structure and principle of construction of microprocessor circuit of local railway automation is examined on relay-and-contact principle, which realize the three-level filtration of errors providing the highest protection of the systems of station auto... ver más
Revista: Nauka ta Progres Transportu    Formato: Electrónico

 
en línea
V. V. Marochka,O. P. Verovka     Pág. 204 - 208
There is a problem of simplified of computational models, which are used at calculation and designing of metal superstructures as a frame. Sometime it leads to the considerable errors in calculations. In this work researches of dimensioned behavior of a ... ver más
Revista: Nauka ta Progres Transportu    Formato: Electrónico

 
en línea
Jiaying Xu, Qingfeng Meng, Xiaoliang Li, Yanrui Bao and Heap-Yih Chong    
This article employs a three-stage slack-based data envelopment analysis (SBM-DEA) model to evaluate the construction safety performance (CSP) of 30 provinces and cities in China, focusing on enhancing the sustainable development of construction safety i... ver más
Revista: Buildings    Formato: Electrónico

 
en línea
Serkan Kivrak and Omar Hiis Udan    
Risk management practices are critical for construction companies to prevent any problems caused by uncertainties in the projects. This study examines how risk management is practiced in construction projects of the Somali Regional State in Ethiopia. It ... ver más
Revista: Buildings    Formato: Electrónico

 
en línea
Anna Okhitina, Stepan Tkachev and Dmitry Roldugin    
This paper considers a construction procedure of a satellite reference angular motion in the vicinity of an unstable gravitational equilibrium position. The satellite is stabilized on the reference trajectory by the magnetic coils. The problem is solved ... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Muhammad Umair, Abubakar Sharafat, Dong-Eun Lee and Jongwon Seo    
Virtual reality (VR) can potentially enhance various design and construction assessment intensive tasks, such as construction design and review. However, it may lead to cognitive overload, adversely affecting the participants? performance. It is critical... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Esther Travé Allepuz, Pablo del Fresno Bernal and Alfred Mauri Martí    
Building upon the concepts of constructed past theory, this paper introduces the outcome of ontology-mediated data modeling developed by the authors within the last 15 years. Assuming that the past is something constructed through reflection of former ti... ver más
Revista: Information    Formato: Electrónico

 
en línea
D. Pullinger, A. Ali, M. Zhang, N. Hill, T. Crutchley    
This study addresses two key objectives using operational performance data from most of the Round 1 wind farms connected to the grid in South Africa: benchmarking of wind farm performance and validation of the pre-construction energy yield assessments. T... ver más
Revista: Journal of Energy in Southern Africa    Formato: Electrónico

« Anterior     Página: 1 de 5     Siguiente »