Academic literature on the topic 'Traffic signs and signals Design and construction'

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Journal articles on the topic "Traffic signs and signals Design and construction"

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Tama, Yuanda Patria. "Fenomena Lalu Lintas Simpang Bersinyal di Kota Bekasi (Studi Kasus: Simpang Tol Bekasi Timur)." JURNAL PEMBANGUNAN WILAYAH & KOTA 11, no. 4 (December 29, 2016): 195. http://dx.doi.org/10.14710/pwk.v12i2.12895.

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The transportation’s problem that common in Indonesia is a limitation of road space and intersection that needed to conduct the traffic flow. An accident and degradation of intersection’s performance, it’s caused by the driver’s attitude which have a less concern to the traffic law. This research attempt to observe the driver violation which influences the characteristic of urban’s intersection to find out the phenomenon of traffic’s signal intersection. The strategy to design the intersection in East Bekasi highway for reducing driver violation by using the side friction factor that consists of extending the radius of junction sleeves, constructing lay bay in bus stop, demolition the street vendor, ojek base and public transportation. Also, the geometric intersection factor consists of installation signs, marka reparation, constructing the pedestrian facility, and specific stopping area for motorcycle, then the traffic’s characteristic factor consists of an intensive supervising by policeman, constructing the priority track to turn left on red and installation signs.
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Xiong, Jun Yu, Xiao Hui Du, Jia Qi Wang, and Hui Li Zhai. "A Optimized Design of One Traffic Circle." Advanced Materials Research 588-589 (November 2012): 1632–35. http://dx.doi.org/10.4028/www.scientific.net/amr.588-589.1632.

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In this paper we use queuing theory to analysis the incoming traffic, developed an effective way to control the traffic of a circle by using stop signs and yield signs,and calculated the traffic capacity and average waiting time of this method. Then, we use signals to control the traffic and improve the original method by a analysis the ways the car can pass through the circle crossing. Taking into account of the traffic flow in the different time of a day, we got the light's signal period to adapt to the features of the traffic flow.
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Ford, Garry L., and Dale L. Picha. "Teenage Drivers’ Understanding of Traffic Control Devices." Transportation Research Record: Journal of the Transportation Research Board 1708, no. 1 (January 2000): 1–11. http://dx.doi.org/10.3141/1708-01.

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Teenage drivers are involved in traffic crashes more often than any other driver group, and their fundamental knowledge of traffic control devices and rules of the road is extremely important in safe driving. Only limited data exist, however, on teenage drivers’ understanding of traffic control devices, and little research has been done on determining their comprehension thereof. Research was performed to document teenage drivers’ ability to understand 53 traffic control devices. These traffic control devices included 6 combinations of sign shape and color; 8 regulatory signs; 14 warning signs; 7 school, highway–railroad grade crossing, and construction warning signs; 7 pavement markings; and 11 traffic signals. Research results were then compared with previous comprehension studies to identify specific traffic control devices that the driving public continually misunderstands. In general, the results indicated that surveyed teenage drivers understood the traffic control devices to some degree. Only nine devices were understood by more than 80 percent of the respondents. The devices found problematic to teenage drivers include combinations of sign shape and color, warning-symbol signs, white pavement markings, flashing intersection beacons, and circular red/green arrow left-turn-signal displays. Recommendations include revising states’ drivers handbooks and increasing emphasis in the driver education curriculum to clarify the meaning and intent of problematic traffic control devices.
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Xiao, Jian, Jian Zhao, Liulin Yang, Juanxia He, Yu Li, and Yuxiao Li. "Study on the Deocclusion of the Visibility Window of Traffic Signs on a Curved Highway." Journal of Advanced Transportation 2020 (January 16, 2020): 1–11. http://dx.doi.org/10.1155/2020/4291018.

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Highway navigation is often affected by complex topography, and the flat curve plays an important role in the horizontal alignment design of a highway. Many curves are formed, where visibility could be decreased. Thus, the indicative function of a traffic sign plays a crucial role in ensuring driving safety at the curve. Due to the blocked visibility, the probability of the traffic sign occlusion at the curve of operating highways is quite high. It is urgent to consider the clearing obstructions around traffic signs at curves during highway construction. In this study, the potential of visual occlusion for traffic signs on curved highways was investigated. Firstly, the driver’s visibility window that contains traffic signs was defined and criteria of visual occlusion were proposed. Secondly, a geometric occlusion design formula was established to mimic the visual recognition process of traffic signs on a curved highway, yielding the formula to calculate the visibility window. Finally, the occlusion design formula was applied into a case study of the Beijing-Hong Kong-Macau Expressway (Hunan section), in which visibility windows were calculated and analyzed. The obtained results verified the correctness and effectiveness of the occlusion design formula developed in this study.
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Liu, Shi Long, Zhi Dong Guo, and Miao Dong. "Research on Application of Traffic Signs in Rural Highway Security Engineering." Applied Mechanics and Materials 361-363 (August 2013): 2315–20. http://dx.doi.org/10.4028/www.scientific.net/amm.361-363.2315.

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Traffic signs are widely used in rural highway security engineering due to low cost, strong directive performance. The paper conducts the research and discussion combined with the design principles, control points of construction technology, analysis of quality inspection and evaluation and analysis on safety effect of traffic signs in the security engineering of Cai-Gou road. This paper provides references for the implementation of security engineering principles which is safe, effective, economic, practical.
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He, Song, Hao Xue, Lejiang Guo, Xin Chen, and Jun Hu. "Intelligent Vehicle Design based on PaddlePaddle and Deep Learning." Journal of Physics: Conference Series 2132, no. 1 (December 1, 2021): 012003. http://dx.doi.org/10.1088/1742-6596/2132/1/012003.

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Abstract ABSTRACT.In order to visualize the applications of deep learning based intelligent vehicle in the real field vividly, especially in the unmanned cases in which it realizes the integration of various technologies such as automatic data acquisition, data model construction, automatic curve detection, traffic signs recognition, verification of the unmanned driving, etc. A M-typed Model intelligent vehicle that is embedded with a high-performance board from Baidu named Edge Board is adopted by this study. The vehicle is trained under the PaddlePaddle deep learning frame and Baidu AI Studio Develop platform. Through the autonomous control scheme design and the non-stop study on the deep learning algorithm, an intelligent vehicle model based on PaddlePaddle deep learning is here. The vehicle has the function of automatic driving on the simulated track. In addition, it can distinguish several traffic signs and make feedbacks accordingly.
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Bryden, James E., Laurel B. Andrew, and Jan S. Fortuniewicz. "Work Zone Traffic Accidents Involving Traffic Control Devices, Safety Features, and Construction Operations." Transportation Research Record: Journal of the Transportation Research Board 1650, no. 1 (January 1998): 71–81. http://dx.doi.org/10.3141/1650-09.

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There were 496 work zone traffic accidents on New York State Department of Transportation construction projects from 1994 through 1996. These accidents involved impacts with work zone traffic control devices and safety features; construction features, such as pavement bumps and joints; drainage features; excavations and materials; and construction vehicles, equipment, and workers. These items, which include all of the features introduced into the roadway environment by construction activity, represent one-third of all work zone accidents and 37 percent of those involving serious injury. Channelizing devices, arrow panels, signs, and other traffic control devices generally resulted in little harm when impacted. Impact attenuators, both fixed and truck mounted, also performed well. Although portable concrete barriers prevent vehicle intrusions, impacts with barrier are severe events. Barriers must be properly designed and limited to only those locations where they are needed to protect more serious hazards. Construction vehicles, equipment, and workers were involved in over 20 percent of all work zone accidents, resulting in serious injuries. Although intrusions by private vehicles into work spaces are a serious concern, construction vehicles, equipment, and workers in open travel lanes are also a serious concern. Good design of work zone traffic control plans, combined with adequate training and supervision of workers, is essential to control both concerns.
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Cho, Taejun, Myeong-Han Kim, and Hyo-Seon Ji. "Odyssey for the Standard Design of Highway Minor Structures (Cantilever Columns for Signs, Luminaries, Traffic Signals)." Journal of the Korean Society for Advanced Composite Structures 6, no. 3 (September 30, 2015): 62–68. http://dx.doi.org/10.11004/kosacs.2015.6.3.062.

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Azzam, Diya Mahmoud, and Craig C. Menzemer. "Numerical Study of Stiffened Socket Connections for Highway Signs, Traffic Signals, and Luminaire Structures." Journal of Structural Engineering 134, no. 2 (February 2008): 173–80. http://dx.doi.org/10.1061/(asce)0733-9445(2008)134:2(173).

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Domínguez, Hugo, Alberto Morcillo, Mario Soilán, and Diego González-Aguilera. "Automatic Recognition and Geolocation of Vertical Traffic Signs Based on Artificial Intelligence Using a Low-Cost Mapping Mobile System." Infrastructures 7, no. 10 (October 4, 2022): 133. http://dx.doi.org/10.3390/infrastructures7100133.

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Road maintenance is a key aspect of road safety and resilience. Traffic signs are an important asset of the road network, providing information that enhances safety and driver awareness. This paper presents a method for the recognition and geolocation of vertical traffic signs based on artificial intelligence and the use of a low-cost mobile mapping system. The approach developed includes three steps: First, traffic signals are detected and recognized from imagery using a deep learning architecture with YOLOV3 and ResNet-152. Next, LiDAR point clouds are used to provide metric capabilities and cartographic coordinates. Finally, a WebGIS viewer was developed based on Potree architecture to visualize the results. The experimental results were validated on a regional road in Avila (Spain) demonstrating that the proposed method obtains promising, accurate and reliable results.
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Dissertations / Theses on the topic "Traffic signs and signals Design and construction"

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Sullivan, Andrew J. "Developing a traffic signal design manual for Alabama." Birmingham, Ala. : University of Alabama at Birmingham, 2009. https://www.mhsl.uab.edu/dt/2009m/sullivan.pdf.

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Yang, Chun-Ming. "Enhancing driving safety through proper message design on variable message signs /." View online ; access limited to URI, 2005. http://0-wwwlib.umi.com.helin.uri.edu/dissertations/dlnow/3206259.

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Price, Richard L. "Use of wind power maps to establish fatigue design criteria for traffic signal and variable message structures." Laramie, Wyo. : University of Wyoming, 2008. http://proquest.umi.com/pqdweb?did=1663116591&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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Wong, Chi-kwong, and 黃志光. "Lane-based optimization method for traffic signal design." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B31246096.

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Otis, Stephanie C. "An analysis of pedestrian signalization in suburban areas /." Digital version accessible at:, 1998. http://wwwlib.umi.com/cr/utexas/main.

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Cao, Yong. "A design of experimental approach to study the road marking luminance contrast and variable message signs /." View online ; access limited to URI, 2004. http://0-wwwlib.umi.com.helin.uri.edu/dissertations/dlnow/3145413.

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Martin, Kipp Alan. "BEHAVIOR AND DESIGN OF MONOTUBE SIGN SUPPORT STRUCTURES (VORTEX SHEDDING, DYNAMIC FORCES, STRAIN GAGE, FIELD TESTING, COMPUTER MODEL)." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/291193.

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Lo, Tak-man. "The ability of elderly pedestrians to use traffic signal controlled crossroads in Hong Kong environmental demand and other associated factors /." Click to view the E-thesis via HKUTO, 2003. http://sunzi.lib.hku.hk/hkuto/record/B31979452.

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Barbosa, Wagner. "The design of an integrated production and inventory control system for a traffic sign shop." Ohio : Ohio University, 1990. http://www.ohiolink.edu/etd/view.cgi?ohiou1183477955.

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Lo, Tak-man, and 盧德敏. "The ability of elderly pedestrians to use traffic signal controlled crossroads in Hong Kong: environmental demandand other associated factors." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B31979452.

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Books on the topic "Traffic signs and signals Design and construction"

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Bernsen, Jens. Design af trafikkens skilte = Design of the Danish traffic signs. Copenhagen: Dansk Design Center, 1996.

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Pennak, Sara. Visibility and comprehension of pedestrian traffic signals. McLean, VA: U.S. Dept. of Transportation, Federal Highway Administration, Research and Development, Turner-Fairbank Highway Research Center, 1997.

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California. Dept. of Transportation. Traffic manual. Sacramento, Calif: The Dept., 1996.

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Re, Jonathan M. Practices to manage traffic sign retroreflectivity. Washington, D.C: Transportation Research Board, 2012.

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Forsyth, Raymond A. Pavement structural design practices. Washington, D.C: National Academy Press, 1993.

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Fouad, Fouad Hilmy. Structural supports for highway signs, luminaires, and traffic signals. Washington, D.C: National Academy Press, 1998.

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Richards, Stephen H. Catalog of traffic control strategies and devices. College Station, Tex: Texas Transportation Institute, Texas A&M University System, 1986.

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Burnham, Archie. Signing policies, procedures, practices, and fees for logo and tourist-oriented directional signing. Washington, D.C: Transportation Research Board, National Research Council, 1990.

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Dudek, Conrad L. Evaluation of traffic control plans at reconstruction sites. College Station, Tex: Texas Transportation Institute, the Texas A&M University System, 1986.

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Trent, Andy. Sign installation guide. Missoula, Mont.]: U.S. Dept. of Agriculture, Forest Service, Technology & Development Program, 1997.

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Book chapters on the topic "Traffic signs and signals Design and construction"

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Abou-Senna, Hatem, Essam Radwan, and Hesham Eldeeb. "A Smart-Left Decision Support System for Flashing Yellow Arrow Traffic Signals." In Design and Construction of Smart Cities, 295–315. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64217-4_34.

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Conference papers on the topic "Traffic signs and signals Design and construction"

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Echevarría, Carlos, and Juan Pablo Covarrubias. "Adaptation and Calibration of the Faulting Model for Thin Concrete Pavements." In 12th International Conference on Concrete Pavements. International Society for Concrete Pavements, 2021. http://dx.doi.org/10.33593/ndwka02k.

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Joint faulting is a pavement distress that affects the comfort level of jointed plain concrete pavements. The appearance of joint faulting usually occurs in areas of high traffic of trucks at high speed. Variables such as level of rainfall and the erodibility of the subbase increases the magnitude of this phenomenon. To predict joint faulting in Thin Concrete Pavements, the design software OptiPave2, launched in 2012, used the same model developed for the Mechanistic Empirical Pavement Design Guide (MEPDG), which uses an energy differential model. After 6 years of the release of the software and after 10 years since the construction of some thin concrete pavement projects, there are pavements with clear signs of joint faulting and others without. For this reason, the OptiPave2 model was reviewed and compared with field data, concluding that the faulting model needed to be adjusted This new model was calibrated with the data from existing concrete pavement projects.
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Almallah, Mustafa Suhail, Qinaat Hussain, Wael K. M. Alhajyaseen, and Tom Brijs. "Improved Road Safety at Work Zones using Advanced Traveler Information Systems." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0243.

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Work zones are road sections where road construction or maintenance activities take place. These work zones usually have different alignment and furniture than the original road and thus temporary lower speeds are adopted at these locations. However, drivers usually face difficulty in adopting the new speed limit and maneuvering safely due to the change in alignment. Therefore, work zones are commonly considered as hazardous locations with higher crash rates and severities as reported in the literature. This study aims to investigate the effectiveness of a variable message signs (VMSs) based system for work zone advance warning area. The proposed system aims at enhancing driver adaptation of the reduced speed limit, encourage early lane changing maneuvers and improve the cooperative driving behavior in the pre-work zone road section. The study was conducted using a driving simulator at the College of Engineering of Qatar University. Seventy volunteers holding a valid Qatari passenger car driving license participated in this study. In the simulator experiment, we have two scenarios (control and treatment). The control scenario was designed based on the Qatar Work Zone Traffic Management Guide (QWZTMG), where the length of the advance warning area is 1000 m. Meanwhile, the treatment scenario contains six newly designed variable message signs where two of them were animation-based. The VMSs were placed at the same locations of the static signs in the control scenario. Both scenarios were tested for two situations. In the first situation, the participants were asked to drive on the left lane while in the second situation, they were instructed to drive on the second lane. The study results showed that the proposed system was effective in motivating drivers to reduce their traveling speed in advance. Compared to the control scenario, drivers’ mean speed was significantly 6.3 and 11.1 kph lower in the VMS scenario in the first and second situations, respectively. Furthermore, the VMS scenario encouraged early lane changing maneuvers. In the VMS scenario, drivers changed their lanes in advance by 150 m compared to the control scenario. In addition, the proposed system was effective in motivating drivers to keep larger headways with the frontal merging vehicle. Taking into account the results from this study, we recommend the proposed VMS based system as a potentially effective treatment to improve traffic safety at work zones.
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Young, William, and John Dovel. "Powering Traffic Signals in an Emergency With Alternative Power Sources." In ASME Solar 2002: International Solar Energy Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/sed2002-1053.

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Disasters, whether man-made or natural, destroy buildings, structures, lives and natural surroundings. As an example, Hurricane Andrew devastated South Florida with winds up to 140 miles per hour leaving more than 250,000 people homeless and severely damaging at least 85,000 buildings, in addition to traffic signals and other roadway devices. Traveling was hazardous with debris in the roadway, power lines down, traffic signals damaged or not working, and road signs missing. With so many traffic signals not working, normal traffic flow was disrupted and roadways became congested. The importance of maintaining traffic flow in a disaster was evident for effective movement of emergency vehicles and to support recovery efforts. The same effect is realized, but to a smaller degree, during brown-outs, severe storms, accidents and other power outages for whatever the cause. During power outages caused by disasters or other events, there are many traffic signals that are still functional, but not operational due to loss of electrical power. Recent advances in power electronics, lighting and alternative energy sources provide a means of making these functional traffic signals operational during power outages. Updating signal heads with new light emitting diode (LED) lamps will lower the energy consumption by 60 to 80 percent of that of existing incandescent lights. With lower power requirements, renewable energy sources such as photovoltaics, become capable of providing the needed electric power. Redesigning traffic signals to incorporate new low-energy technologies make renewables a more viable source of power. This paper addresses these issues with respect to energy consumption and describes a new design that uses renewables to power these new lighting technologies.
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Reports on the topic "Traffic signs and signals Design and construction"

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Gunay, Selim, Fan Hu, Khalid Mosalam, Arpit Nema, Jose Restrepo, Adam Zsarnoczay, and Jack Baker. Blind Prediction of Shaking Table Tests of a New Bridge Bent Design. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, November 2020. http://dx.doi.org/10.55461/svks9397.

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Considering the importance of the transportation network and bridge structures, the associated seismic design philosophy is shifting from the basic collapse prevention objective to maintaining functionality on the community scale in the aftermath of moderate to strong earthquakes (i.e., resiliency). In addition to performance, the associated construction philosophy is also being modernized, with the utilization of accelerated bridge construction (ABC) techniques to reduce impacts of construction work on traffic, society, economy, and on-site safety during construction. Recent years have seen several developments towards the design of low-damage bridges and ABC. According to the results of conducted tests, these systems have significant potential to achieve the intended community resiliency objectives. Taking advantage of such potential in the standard design and analysis processes requires proper modeling that adequately characterizes the behavior and response of these bridge systems. To evaluate the current practices and abilities of the structural engineering community to model this type of resiliency-oriented bridges, the Pacific Earthquake Engineering Research Center (PEER) organized a blind prediction contest of a two-column bridge bent consisting of columns with enhanced response characteristics achieved by a well-balanced contribution of self-centering, rocking, and energy dissipation. The parameters of this blind prediction competition are described in this report, and the predictions submitted by different teams are analyzed. In general, forces are predicted better than displacements. The post-tension bar forces and residual displacements are predicted with the best and least accuracy, respectively. Some of the predicted quantities are observed to have coefficient of variation (COV) values larger than 50%; however, in general, the scatter in the predictions amongst different teams is not significantly large. Applied ground motions (GM) in shaking table tests consisted of a series of naturally recorded earthquake acceleration signals, where GM1 is found to be the largest contributor to the displacement error for most of the teams, and GM7 is the largest contributor to the force (hence, the acceleration) error. The large contribution of GM1 to the displacement error is due to the elastic response in GM1 and the errors stemming from the incorrect estimation of the period and damping ratio. The contribution of GM7 to the force error is due to the errors in the estimation of the base-shear capacity. Several teams were able to predict forces and accelerations with only moderate bias. Displacements, however, were systematically underestimated by almost every team. This suggests that there is a general problem either in the assumptions made or the models used to simulate the response of this type of bridge bent with enhanced response characteristics. Predictions of the best-performing teams were consistently and substantially better than average in all response quantities. The engineering community would benefit from learning details of the approach of the best teams and the factors that caused the models of other teams to fail to produce similarly good results. Blind prediction contests provide: (1) very useful information regarding areas where current numerical models might be improved; and (2) quantitative data regarding the uncertainty of analytical models for use in performance-based earthquake engineering evaluations. Such blind prediction contests should be encouraged for other experimental research activities and are planned to be conducted annually by PEER.
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