Results 211 to 220 of about 1,245 (249)

Comparative study on the influence of rare earth ion doping on the structural and optical properties of simple B₂O₃-Na₂O glasses. [PDF]

Sci Rep
El-Shabaan MM, Mohamed A, Youssif MI, El-Ghamaz NA, Ahmed EM.   +4 more
europepmc   +1 more source

Temperature and composition effects on fresh and hardened properties of slag-fly ash-silica fume alkali-activated grouting materials. [PDF]

Sci Rep
Qian YC, Zhang L, Qiao WG, Li YZ, Wu Y, Zhao YR.   +5 more
europepmc   +1 more source

Bridging Fragmentation in Digital Transformation Research: Building an Interface Between Operations Management and Information Systems

Journal of Operations Management, EarlyView.
Sunil Tiwari, Ashish Kumar Jha, Jan C. Fransoo, Jason Bennett Thatcher, Karthik Ramachandran, Jan Recker, Gregory R. Heim, Merieke Stevens   +7 more
wiley   +1 more source

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Impact of speed humps of bicyclists

Safety Science, 2016
Abstract Speed hump is one of the most popular and economical traffic calming measures used globally. It induces shocks and vibrations in the vehicles passing over it. Hump aims to force the driver to reduce the vehicle speed to an optimum speed at which the discomfort is minimum.
Tanuj Patel, Vinod Vasudevan
exaly   +2 more sources

Effects of speed humps on vehicle speed and pedestrian crashes in South Korea

Journal of Safety Research, 2020
Speeding is a crucial risk factor for pedestrian safety because it shortens reaction time while increasing the impact force in collisions. Various types of traffic calming measures to prevent speeding have been devised. A speed hump-a raised bump installed in the pavement-has been widely used for this purpose.To evaluate the effectiveness of speed ...
Jiho Yeo, Kitae Jang, Jooyoung Lee
exaly   +3 more sources

Speed Hump Spine Fractures

Journal of Spinal Disorders & Techniques, 2011
Retrospective case series.To describe an injury mechanism and a series of patients with spine fractures after passing over speed humps in a motor vehicle.The use of speed humps as an effective measure to reduce the rate of traffic accidents is still a matter of discussion.
Milan A, Munjin, Juan J, Zamorano, Bartolomé, Marré, Francisco, Ilabaca, Vicente, Ballesteros, Celmira, Martínez, Ratko, Yurac, Alejandro, Urzúa, Miguel, Lecaros, José, Fleiderman, Nicolás, García   +10 more
openaire   +2 more sources

Effects of Speed Bumps and Humps on Motorcycle Speed Profiles

Advanced Materials Research, 2014
In developed countries, the use of speed humps and bumps have evolved from extensive research and testing which been properly designed and standardized. On the contrary in developing countries, no systematic and scientific studies have been carried out on that environment, especially the study on the effects that the motorcyclists response to the humps
Wichuda Satiennam, Thaned Satiennam, Pornsiri Urapa, Tussawan Phacharoen   +3 more
openaire   +1 more source

Optimization of Speed Control Hump Profiles

Journal of Transportation Engineering, 2009
In this study, the goal attainment method is implemented for the optimization of speed control hump profiles. Basic dimensions for a number of hump profile functions are optimized for single vehicles classified in five categories and for a specified distribution of these vehicles. Objective functions are selected as combinations of the longitudinal and
BAŞLAMIŞLI, SELAHATTİN ÇAĞLAR, Ünlüsoy, Yavuz Samim   +1 more
openaire   +2 more sources

Multiobjective shape optimization of speed humps

Structural and Multidisciplinary Optimization, 2008
This paper presents a new approach to the shape optimization of road speed humps. The proposed approach is based on multiobjective genetic optimization of the hump profile while taking into account the separation phenomenon, which occurs when the front tires of the vehicle momentarily lose contact with the road surface.
Hamid Ansari Ardeh, Masoud Shariatpanahi, Mansour Nikkhah Bahrami   +2 more
openaire   +1 more source

Evaluation of speed humps and tables in Qatar

Journal of Local and Global Health Science, 2015
Controlling the speed of vehicles on various roads and streets is crucial in order to maintain the safety of people and to prevent any possibility of injury or death. One technique that is widely used in Qatar to force road users to reduce their vehicles’ speed is the installation of speed humps and tables.
Mohammad Ebrahem Ebrahemi, Khalifa Al-Khalifa, Abdelmagid Hammuda   +2 more
openaire   +1 more source