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2021 ◽  
Vol 11 (5) ◽  
pp. 7653-7657
Author(s):  
P. H. V. Nguyen ◽  
P. C. Nguyen

The shaft-grouted method has been applied on high-rise buildings in Ho Chi Minh City for the purpose of increasing the bearing capacity of barrette piles. The Exim Bank Building foundation, using two kinds of shaft-grouted barrette piles, was 65m (TP1) and 85m (TP2) in depth. To assess the bearing capacity, this project assembly used the O-cell tools installed at 49m depth below the pile head level. Shaft grouting was performed from -25m to the TP1 pile toe level and -65m to the TP2 pile toe level. This work is based on the data from the O-cell experiments at the construction site and the results of finite element simulation in Plaxis software. The effectiveness of shaft grouting was analyzed and the length and position of the ejector were evaluated and compared in order to find the best solution for applying shaft grouting with the aim to ensure safety and mitigate economic problems.


2021 ◽  
Vol 99 (Supplement_3) ◽  
pp. 222-222
Author(s):  
Sonia Marti ◽  
Xenia Moles ◽  
Anna Sole ◽  
Marianne Farish ◽  
Mark Brims ◽  
...  

Abstract The aim of this study was to characterize posture behavior and truck microclimate of 2 to 8-week-old unweaned calves (59.1 ± 6.72 kg body weight) during 10 transports between December and September (one/month) from an assembly center in Dalry, Scotland to Northern Spain via a control post in Northern Ireland and an assembly center in France (Cherbourg). Average journey time was 105.8 h. A subset of 20 calves per transport were fitted with collars carrying a HOBO environmental logger (HOBO U12) to record the temperature and humidity at calf’ head level and an accelerometer (Axivity AX3) to record accelerations to assess the calf posture (resting, standing or in transition). Data were analyzed with JMP. During the transport, 60% of the time animals were standing, 28% of the time lying and 12% transitioning. Specifically, when the truck was in motion calves spent 82.8% of the time standing, when stationary 68.8% standing, when the truck was on the ferry standing time was 48.4% and at the control post and assembly center standing time was 45.1%.Transports from June to September (n = 4) had an average of 11.96 h (min: 5.17 h; max: 18.8 h) of temperatures greater than 30°C, an average of 25 h (min: 0 h; max: 55 h) of mild heat conditions (72 < THI < 79), and an average of 3.5 h (min: 0 h; max: 23 h) of moderate heat conditions (80 < THI < 89). The exposure to mild and moderate heat conditions occurred mainly during the time that the truck was stationary (waiting at ports) and when calves rested at the control post. Results from this study supports the need to evaluate the impact summer months journeys where animals spend over 30% of the time under heat stress, and the long-standing times on animal welfare.


Pancreas ◽  
2021 ◽  
Vol 50 (8) ◽  
pp. e67-e68
Author(s):  
Sho Kitagawa ◽  
Hiroyuki Miyakawa
Keyword(s):  

Author(s):  
Paweł Przybylski ◽  
Arkadiusz Janiak ◽  
Piotr Szewczyk ◽  
Dariusz Wieliński ◽  
Katarzyna Domaszewska

The achievement of high performance levels in a complex structured sport such as karate is determined by the competitor’s physical fitness, fighting technique, tactics and mental state. This study aimed to identify the most important determinants of top-level performance in karate. Methods: The participants were 32 karate competitors (12 women and 20 men) aged 18–25 years. A series of tests measuring 11 anthropometric features was undertaken twice during a year, separated by a 6-week interval during a training camp at the Olympic Preparation Center in Walcz, Poland. Motor skills were measured with strength, speed, endurance, flexibility and reaction time tests. Special motor fitness was assessed with tests of karate technical skills. The results were subject to statistical analysis using multiple stepwise regression of the Polish Karate Federation ranking points as the dependent variable. Results: The multiple regression analysis revealed two main determinants of high scores in female and male karate competitors. In women, these were thigh circumference and the speed of the mawashi-geri-kick roundhouse technique (i.e., the maximum number of delivered kicks in 30 s), whilst for men they were the extent of the sideway leg swing to the highest possible height (yoko-geri) and general endurance assessed with the bent arm hang test. Conclusion: Karate training should account for the determinants of high-level competitive karate performance identified in this study. Strengthening the lower limbs, exercises increasing hip joint mobility, low position movements, performing leg techniques in various planes and applying external loads undoubtedly increase a karate athlete’s strength and lead to the development of a more extensive repertoire of karate leg techniques, especially at the highest-scoring head level (jodan).


2021 ◽  
Vol 246 ◽  
pp. 02005
Author(s):  
Eusébio Conceição ◽  
Mª Inês Conceição ◽  
João Gomes ◽  
Mª Manuela Lúcio ◽  
Hazim Awbi

The study presented in this work is performed in a virtual chamber, similar to an existing experimental chamber, with dimensions of 4.50×2.55×2.50 m3. The chamber, occupied with twelve virtual manikins, is equipped with six tables, twelve chairs, one exhaust system and one inlet system, based in confluents jets system. In the exhaust system are considered six air ducts, located above the head level, connected to the ceiling area. The inlet system, based in four vertical ducts, with 0.15 m diameter, located on the corners of the chamber, are equipped with consecutive holes, that promotes horizontal jets near the wall. The results demonstrate that when the airflow rate increases the air quality number increases, the thermal comfort number decreases and the ADI increases slightly. The predicted percentage of dissatisfied index values show that the thermal comfort level is acceptable, the dioxide carbon concentration values show that the indoor air quality is near the acceptable value and the Draught Risk is acceptable.


2020 ◽  
Vol 4 (1) ◽  
pp. 167-181
Author(s):  
Febdwi Suryani ◽  
Pujiono Pujiono

This study aimed to analyze the effect of budget participation, clarity of budget targets, decentralization, and public accountability on managerial performance. Population of this research was 31 Regional Apparatus Organizations (OPD) in Pekanbaru City, there are officials at the head level, heads of offices / sections / fields / sub-services, secretaries, and heads of subsections / sub-sectors / sections of the secretariat, agencies, and officed. The data was collected by distributing questionnaires to 124 respondents, while the questionnaires that could be used were only 89 respondents. Data were analyzed using multiple linear analysis. The results of the analysis found that there is a significant influence between budget participation and managerial performance, there is no significant influence between the clarity of budget targets on managerial performance, there is a significant influence between decentralization and managerial performance, and there is no significant influence between public accountability on managerial performance. The result of testing the coefficient of determination of the hypothesis in this study was 50.3%, while the remaining 49.7% was influenced by other variables not included in this study. The value of t table in this study is 1.662, while the t value of the first hypothesis is -17,166> - 1,668, the second hypothesis is 20,107> 1,668, the third hypothesis is -2,481> -1,668, and the fourth hypothesis is -2,248> -1,668. Keywords: Managerial Performance, Budget Participation, Clarity of Budget Objectives, Decentralization, and Public Accountability.


2020 ◽  
Vol 69 (4) ◽  
pp. 332-344 ◽  
Author(s):  
M. C. Kirlas ◽  
K. L. Katsifarakis

Abstract In this paper, we discuss the accuracy of aquifer transmissivity (T) and storativity (S) values, obtained through the processing of hourly and 5-min groundwater level data, regularly and accurately recorded by automated stations. In particular, we discuss the role of the selection of (a) the initial undisturbed hydraulic head level, which might be influenced by prior pumping cycles, and (b) the exact time of start or shutdown of the pump, which might not be exactly recorded. Furthermore, the accuracy of T and S values based on sparse measurements is also examined. The Cooper–Jacob method and the recovery test method have been applied to obtain both T and S, and T values, respectively. Groundwater level measurements at Moudania aquifer, Chalkidiki, Greece, are used as an illustrative example. Our main conclusions are (a) assuming that pumping starts earlier than it actually does, leads to the underestimation of T and the overestimation of S, (b) transmissivity might be overestimated if the residual drawdown, due to previous pumping cycles, is substantial, (c) in recovery tests, the deviation of the straight line that fits the experimental points from the point (1,0) is an indication of residual drawdown, and (d) sparse measurements can offer reasonable estimates.


Perception ◽  
2020 ◽  
Vol 49 (4) ◽  
pp. 422-438 ◽  
Author(s):  
Dongyu Zhang ◽  
Hongfei Lin ◽  
David I. Perrett

Interpreting the personality and the disposition of people is important for social interaction. Both emotional expression and facial width are known to affect personality perception. Moreover, both the apparent emotional expression and the apparent width-to-height ratio of the face change with head tilt. We investigated how head tilt affects judgements of trustworthiness and dominance and whether such trait judgements reflect apparent emotion or facial width. Sixty-seven participants rated the dominance, emotion, and trustworthiness of 24 faces posing with different head tilts while maintaining eye gaze at the camera. Both the 30° up and 20° down head postures were perceived as less trustworthy and more dominant (less submissive) than the head-level posture. Change in perceived trustworthiness and submissiveness with head tilt correlated with change in apparent emotional positivity but not change in facial width. Hence, our analysis suggests that apparent emotional expression provides a better explanation of perceived trustworthiness and dominance compared with cues to facial structure.


Sensors ◽  
2020 ◽  
Vol 20 (3) ◽  
pp. 636 ◽  
Author(s):  
Darius Plikynas ◽  
Arūnas Žvironas ◽  
Andrius Budrionis ◽  
Marius Gudauskis

Currently, several outdoor navigation and orientation electronic traveling aid (ETA) solutions for visually impaired (VI) people are commercially available or in active development. This paper’s survey of blind experts has shown that after outdoor navigation, the second most important ETA feature for VI persons is indoor navigation and orientation (in public institutions, supermarkets, office buildings, homes, etc.). VI persons need ETA for orientation and navigation in unfamiliar indoor environments with embedded features for the detection and recognition of obstacles (not only on the ground but also at head level) and desired destinations such as rooms, staircases, and elevators. The development of such indoor navigation systems, which do not have Global Positioning System (GPS) locational references, is challenging and requires an overview and evaluation of existing systems with different navigation technologies. This paper presents an evaluation and comparison of state-of-the-art indoor navigation solutions, and the research implications provide a summary of the critical observations, some insights, and directions for further developments. The paper maps VI needs in relation to research and development (R&D) trends using the evaluation criteria deemed most important by blind experts.


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