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Journal articles on the topic 'Non-saturated traffic'

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1

Bacco, Manlio, Pietro Cassara, Marco Colucci, and Alberto Gotta. "Modeling Reliable M2M/IoT Traffic Over Random Access Satellite Links in Non-Saturated Conditions." IEEE Journal on Selected Areas in Communications 36, no. 5 (May 2018): 1042–51. http://dx.doi.org/10.1109/jsac.2018.2832799.

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2

Li, Jun, Yifeng Zhou, Louise Lamont, Mylène Toulgoat, and Camille A. Rabbath. "Packet Delay in UAV Wireless Networks Under Non-saturated Traffic and Channel Fading Conditions." Wireless Personal Communications 72, no. 2 (February 26, 2013): 1105–23. http://dx.doi.org/10.1007/s11277-013-1057-4.

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3

Sarkar, Subhadeep, Sudip Misra, Bitan Bandyopadhyay, Chandan Chakraborty, and Mahammad S. Obaidat. "Performance Analysis of IEEE 802.15.6 MAC Protocol under Non-Ideal Channel Conditions and Saturated Traffic Regime." IEEE Transactions on Computers 64, no. 10 (October 1, 2015): 2912–25. http://dx.doi.org/10.1109/tc.2015.2389806.

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4

Hadiuzzaman, M., and M. Mizanur Rahman. "Capacity Analysis for Fixed-Time Signalized Intersection for Non-Lane Based Traffic Condition." Advanced Materials Research 83-86 (December 2009): 904–13. http://dx.doi.org/10.4028/www.scientific.net/amr.83-86.904.

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Capacity analysis of signalized intersections basically consists of estimating saturation flow and delay. Pre-timed signals are most commonly used in developing countries. This research deals with development of saturation flow and delay models for pre-timed signalized intersections with reference to non-lane based traffic condition prevailing in Bangladesh. In order to account non-uniformity in the static and dynamic characteristics of the vehicles passenger car unit (PCU) values for each vehicle is found out using synchronous regression technique and a range of site-specific PCU values were
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Lee, Gyu-min, Byeong-hee Roh, Jimyeong Oh, Sungjin Kang, and Do-kyung Kim. "Estimation of the Number of Contending Secondary Users in Distributed Cognitive Radio Environment with Non-Saturated Traffic Patterns." Journal of Korean Institute of Communications and Information Sciences 44, no. 3 (March 31, 2019): 490–97. http://dx.doi.org/10.7840/kics.2019.44.3.490.

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6

Nguyen, VanDung, Tran Anh Khoa, Thant Zin Oo, Nguyen H. Tran, Choong Seon Hong, and Eui-Nam Huh. "Time Slot Utilization for Efficient Multi-Channel MAC Protocol in VANETs." Sensors 18, no. 9 (September 10, 2018): 3028. http://dx.doi.org/10.3390/s18093028.

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In vehicular ad hoc networks (VANETs), many schemes for a multi-channel media access control (MAC) protocol have been proposed to adapt to dynamically changing vehicle traffic conditions and deliver both safety and non-safety packets. One such scheme is to employ both time-division multiple access (TDMA) and carrier-sense multiple access (CSMA) schemes (called a hybrid TDMA/CSMA scheme) in the control channel (CCH) interval. The scheme can adjust the length of the TDMA period depending on traffic conditions. In this paper, we propose a modified packet transmitted in the TDMA period to reduce t
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Tsakyridis, Apostolos, Miltiadis Moralis-Pegios, Christos Vagionas, Eugenio Ruggeri, George Kalfas, Amalia Miliou, and Nikos Pleros. "A Deeply Saturated Differentially-Biased SOA-MZI for 20 Gb/s Burst-Mode NRZ Traffic." Applied Sciences 9, no. 15 (July 25, 2019): 2971. http://dx.doi.org/10.3390/app9152971.

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We experimentally demonstrate an optical Burst-Mode Wavelength Converter (BMWC) that simultaneously provides power equalization and wavelength conversion of Non-Return to Zero-On/Off Keying (NRZ-OOK) data and operates up to 20 Gb/s. It employs a balanced, differentially-biased, Semiconductor Optical Amplifier-Mach Zehnder Interferometer (SOA-MZI) operating in deeply saturated regime and its performance is evaluated at 10 Gb/s and 20 Gb/s with loud/soft peak–power ratios up to 9 dB and 5 dB, respectively. Bit Error Rate (BER) measurements reveal error free operation with up to 6.1 dB BER improv
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Setyowati, Rustiana, and Siti Maria Ulfa. "Hubungan Beban Kerja Dan Lingkungan Kerja Terhadap Stres Kerja Pada Polisi Satlantas Polres Bantul." Jurnal Manajemen Kesehatan Yayasan RS.Dr. Soetomo 6, no. 2 (November 10, 2020): 169. http://dx.doi.org/10.29241/jmk.v6i2.338.

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In Indonesia cases of stress due to workload in the work environment of the police have occurred in several areas and have had quite serious impacts. The Research was conducted at the traffic police Special Region of Yogyakarta in 2019. This Research is a quantitative non experimental research with correlational descriptive. Data analysis techniques using multiple linier regression analysis. Respondents as many as 50 police Bantul Police Traffic Unit, the sample uses a saturated sample.The Study aims to determine the relationship of workload and work environment to work stress of Bantul Police
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Lee, Kyu-haeng. "Performance Analysis of the IEEE 802.11ax MAC Protocol for Heterogeneous Wi-Fi Networks in Non-Saturated Conditions." Sensors 19, no. 7 (March 29, 2019): 1540. http://dx.doi.org/10.3390/s19071540.

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The IEEE 802.11ax standard, which realizes multi-user transmission based on orthogonal frequency division multiple access (OFDMA), has been highlighted as a key technology to meet high future demand for Wi-Fi systems. Since this standard is still being developed, performance analysis through mathematical modeling is of paramount importance; however, existing studies have several limitations. Firstly, most of these consider only the saturation network throughput, whereas for 802.11ax in particular, the access delay of the nodes needs to be studied carefully, since they no longer acquire the med
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10

Grigoropoulos, Georgios, Seyed Abdollah Hosseini, Andreas Keler, Heather Kaths, Matthias Spangler, Fritz Busch, and Klaus Bogenberger. "Traffic Simulation Analysis of Bicycle Highways in Urban Areas." Sustainability 13, no. 3 (January 20, 2021): 1016. http://dx.doi.org/10.3390/su13031016.

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The ongoing increase of bicycle traffic in urban areas forces transport authorities to reconsider the space allocation for different transport modes. Transport policies favor the introduction of high-quality bicycle infrastructure along urban corridors to improve the traffic quality and safety for bicyclists but more importantly to increase the attractiveness of bicycling and over vehicular modes. Especially in urban areas with an already established high and steadily increasing share of bicyclists, the introduction of bicycle highways is considered to further alleviate saturated interurban pu
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11

Babio, Nancy, Paloma Vicent, Leonor López, Anna Benito, Julio Basulto, and Jordi Salas-Salvadó. "Adolescents’ ability to select healthy food using two different front-of-pack food labels: a cross-over study." Public Health Nutrition 17, no. 6 (May 17, 2013): 1403–9. http://dx.doi.org/10.1017/s1368980013001274.

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AbstractObjectiveTo compare, in adolescents, two models of front-of-pack Guideline Daily Amounts (GDA) labels in terms of (i) friendliness and acceptance and (ii) the ability to choose a diet that closely follows the nutritional recommendations.DesignA randomized cross-over study was designed to compare two simplified front-of-pack GDA nutrition labels.SettingA Spanish secondary school.SubjectsEighty-one healthy adolescents aged between 14 and 16 years were recruited. Participants were randomly exposed to two experimental non-real food-choice conditions using multiple-traffic-light or monochro
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12

Jia, Peng Fei, and Ai Wu Yang. "A Modified Davidenkov Model for Stiffness and Damping Characteristics of Saturated Clayey Soils due to Low-Amplitude Small-Strain Vibrations." Advanced Materials Research 680 (April 2013): 166–71. http://dx.doi.org/10.4028/www.scientific.net/amr.680.166.

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Railway track and nearby structures in the vicinity of high-speed railway are exposed to low-amplitude small-strain vibrations as high-speed railway traffic construction activities arise. These low-level dynamic events can lead to a non-linear softening behavior of the “elastic” stiffness and a considerable amount of energy dissipation in soils with a gradually increasing strain. The modelling of these non-linear behaviours are an important to predict lifetime and serviceability of existing structures in the vicinity of high-speed railway. An objective of this study is to develop validated com
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13

Wiles, Charles E., Ameen I. Ramzy, and Howard Belzberg. "Cellular Telecommunications at Amtrak's Worst Crash." Prehospital and Disaster Medicine 4, no. 2 (December 1989): 160–62. http://dx.doi.org/10.1017/s1049023x00029952.

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AbstractMedical communications associated with a collision between a passenger train and three locomotives which resulted in the death of 16 and injury to at least 177 persons quickly overwhelmed the relatively sophisticated EMS communications center (SYSCOM) serving the state of Maryland, U.S.A. Other than traditional talk-by and ambulance-hospital communications, the system was saturated by: 1) communications between seven prehospital sectors; 2) persons moved into the field from their usual in-hospital environment who were not familiar or experienced with the use of radio communications; 3)
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14

Céspedes, Máximo Morales, Borja Genovés Guzmán, and Víctor P. Gil Jiménez. "Lights and Shadows: A Comprehensive Survey on Cooperative and Precoding Schemes to Overcome LOS Blockage and Interference in Indoor VLC." Sensors 21, no. 3 (January 28, 2021): 861. http://dx.doi.org/10.3390/s21030861.

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Visible light communications (VLC) have received significant attention as a way of moving part of the saturated indoor wireless traffic to the wide and unregulated visible optical spectrum. Nowadays, VLC are considered as a suitable technology, for several applications such as high-rate data transmission, supporting internet of things communications or positioning. The signal processing originally derived from radio-frequency (RF) systems such as cooperative or precoding schemes can be applied to VLC. However, its implementation is not straightforward. Furthermore, unlike RF transmission, VLC
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15

Marvi, Murk, Adnan Aijaz, and Muhammad Khurram. "Toward a Unified Framework for Analysis of Multi-RAT Heterogeneous Wireless Networks." Wireless Communications and Mobile Computing 2019 (January 3, 2019): 1–19. http://dx.doi.org/10.1155/2019/6918637.

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The increased penetration of different radio access technologies (RATs) and the growing trend towards their convergence necessitates the investigation of wireless heterogeneous networks (HetNets) from coverage and capacity perspective. This paper develops a unified framework for signal-to-interference-plus-noise ratio and rate coverage analysis of multi-RAT HetNets, with each RAT employing either a contention-free or a contention-based channel access strategy. The proposed framework adopts tools from stochastic geometry, with the location of APs and mobile users modeled through independent Poi
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16

Nordström, T., T. Mustelin, T. Pessa-Morikawa, and L. C. Andersson. "Modulation of calcium fluxes in Jurkat T cells by myristic acid. Inhibition is independent of membrane potential and intracellular pH." Biochemical Journal 283, no. 1 (April 1, 1992): 113–18. http://dx.doi.org/10.1042/bj2830113.

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Treatment of T lymphocytes with mitogenic antibodies against the T-cell receptor/CD3 complex induces within seconds a rise in the concentration of intracellular free Ca2+. We recently reported that free myristic acid, but not its methyl ester, inhibits both the anti-CD3-induced Ca2+ influx across the cell membrane and the Ca2+ release from intracellular stores in Jurkat T cells. Here we show that myristic acid induced a rapid hyperpolarization of the cell membrane potential and a decrease in intracellular pH in Jurkat cells. Lauric acid and palmitic acid caused minor hyperpolarization, whereas
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17

Chalbot, M. C. G., J. Brown, P. Chitranshi, G. Gamboa da Costa, E. D. Pollock, and I. G. Kavouras. "Functional characterization of the water-soluble organic carbon of size fractionated aerosol in the Southern Mississippi Valley." Atmospheric Chemistry and Physics Discussions 14, no. 3 (February 10, 2014): 3629–66. http://dx.doi.org/10.5194/acpd-14-3629-2014.

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Abstract. The chemical content of the water soluble organic carbon (WSOC) as a function of particle size was characterized in Little Rock, Arkansas in winter and spring 2013. The objectives of this study were to: (i) compare the functional characteristics of coarse, fine and ultrafine WSOC and (ii) reconcile the sources of WSOC for the period when carbonaceous aerosol was the most abundant particulate component. The WSOC accounted for 5% of particle mass for particles with dp > 0.96 μm and 10% of particle mass for particles with dp < 0.96 μm. Non-exchangeable aliphatic (H-C), unsaturated
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18

Chalbot, M. C. G., J. Brown, P. Chitranshi, G. Gamboa da Costa, E. D. Pollock, and I. G. Kavouras. "Functional characterization of the water-soluble organic carbon of size-fractionated aerosol in the southern Mississippi Valley." Atmospheric Chemistry and Physics 14, no. 12 (June 20, 2014): 6075–88. http://dx.doi.org/10.5194/acp-14-6075-2014.

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Abstract. The chemical content of water-soluble organic carbon (WSOC) as a function of particle size was characterized in Little Rock, Arkansas in winter and spring 2013. The objectives of this study were to (i) compare the functional characteristics of coarse, fine and ultrafine WSOC and (ii) reconcile the sources of WSOC for periods when carbonaceous aerosol was the most abundant particulate component. The WSOC accounted for 5% of particle mass for particles with dp > 0.96 μm and 10% of particle mass for particles with dp < 0.96 μm. Non-exchangeable aliphatic (H–C), unsaturated aliphat
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19

Little, David I., and Bernard Fichaut. "VISUAL COMPARISONS OF SELECTED SHORES AFFECTED BY THE Prestige OIL SPILL, NORTHERN SPAIN 2002–2004." International Oil Spill Conference Proceedings 2005, no. 1 (May 1, 2005): 685–88. http://dx.doi.org/10.7901/2169-3358-2005-1-685.

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ABSTRACT Walkover and photographic surveys were conducted on four occasions up to February 2004 on shorelines of Galicia, Asturias and Vizcaya that were severely affected by Heavy Fuel Oil (HFO) from the November 2002 Prestige incident. The geomorphology and ecology impacts resulting from both the oil and cleanup actions were observed by experienced scientists. Some cleanup methods worked well, and environmental disturbance was minimized. However, inefficient or over-zealous treatments also occurred, particularly early in the incident response. The study showed that rocky headlands are now oft
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20

Apuani, Tiziana, Marco D'Attoli, Marco Masetti, and Federico Fischanger. "Change of hydraulic conductivity of cohesive soils due to consolidation treatments with expanding resins." Acque Sotterranee - Italian Journal of Groundwater 7, no. 3 (September 25, 2018): 33–45. http://dx.doi.org/10.7343/as-2018-340.

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Settlements of ground subjected to foundation load are often due to both natural and/or anthropogenic causes, such as differential consolidation, seepage, periods of drought alternating with heavy rainfalls, growth of tree roots, sewer leaks, vibrations induced by vehicle traffic, excavations, or construction defects. Techniques of soil consolidation and stabilization by means of injection of polyurethane expanding resins have been efficiently used to mitigate or even solve this issue. The efficiency of the resin injection treatment has been well documented also thanks to the develop of a proc
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21

Prayitno, Eko, and Veronika Veronika. "KAJIAN KINERJA PERSIMPANGAN TIDAK BERSINYAL (STUDI KASUS : PERSIMPANGAN TIGA GADUT, JALAN RAYA INDARUNG – BANDAR BUAT, KOTA PADANG)." Rang Teknik Journal 2, no. 2 (April 24, 2019). http://dx.doi.org/10.31869/rtj.v2i2.1183.

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The highway is one of the infrastructure for the smooth traffic. One part of the road that are considered necessary to be analyzed and evaluated is an intersection. Three Gadut intersection is non signalized intersection. The traffic flow is quite dense, and lack of discipline of road user factors competing space to pass the crossing, resulting in congestion is very influential on traffic conditions at peak hours in the morning, afternoon and evening. Prior to conducting the survey, the first to do is survey the condition of the intersection that includes geometric characteristics and traffic
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Chauhan, Ritvik, Ashish Dhamaniya, and Shriniwas Arkatkar. "Driving Behavior at Signalized Intersections Operating under Disordered Traffic Conditions." Transportation Research Record: Journal of the Transportation Research Board, August 19, 2021, 036119812110338. http://dx.doi.org/10.1177/03611981211033863.

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A higher degree of heterogeneity in vehicle class and drivers, coupled with non-lane-based driving habits, creates several challenges in traffic flow analysis. This study investigates vehicles’ microscopic driving behavior at signalized intersections operating under weak lane discipline with mixed traffic (disordered) conditions. For this purpose, a comprehensive vehicular trajectory data set is developed from field-recorded video footage using a semi-automated tool for data extraction. Microscopic parameters such as relative velocity, spacing between vehicles, following time, lane preference,
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23

Mondal, Satyajit, and Ankit Gupta. "Non-Linear Evaluation Model to Analyze Saturation Flow under Weak-Lane-Disciplined Mixed Traffic Stream." Transportation Research Record: Journal of the Transportation Research Board, March 7, 2021, 036119812199837. http://dx.doi.org/10.1177/0361198121998370.

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Saturation flow is an essential parameter for the performance evaluation and signal cycle design of an intersection. However, in a weak-lane-disciplined mixed traffic stream, vehicles (mainly motorized two- and three-wheelers) are more interested in forming queues with the behavior of creeping and infiltration through the larger vehicles for a quick dispersion. Consequently, a high rate of discharge can be found in the first few seconds of green, followed by a wavering discharge pattern to the end of the green period. In this context, the present study frames a non-linear evolutionary model (N
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24

Schade, Gunnar W., and Geoffrey Roest. "Source apportionment of non-methane hydrocarbons, NOx and H2S data from a central monitoring station in the Eagle Ford shale, Texas." Elementa: Science of the Anthropocene 6 (January 1, 2018). http://dx.doi.org/10.1525/elementa.289.

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Unconventional oil and gas exploration in the US has become a significant new source of atmospheric hydrocarbons. Field measurements and monitoring have been initiated to determine integral effects from this geographically dispersed source in and downwind of shale areas, driven mostly by concerns related to photochemical ozone production. The Texas Commission on Environmental Quality (TCEQ) deployed its first air quality monitor near the Eagle Ford shale in south Texas in summer 2013, followed by a more centrally located monitor in winter 2014/15. Here, we report on the latter monitor’s 2015 d
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25

Nisumanti, Sartika, and Evina Krisna. "EVALUASI KINERJA JALAN NASIONAL TERHADAP KARAKTERISTIK LALU LINTAS PADA RUAS JALAN NASIONAL KOTA PALEMBANG." JURNAL TEKNO GLOBAL UIGM FAKULTAS TEKNIK 9, no. 1 (August 10, 2020). http://dx.doi.org/10.36982/jtg.v9i1.1082.

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<p><em>The roads</em><em> </em><em>transportation is an </em><em>important infrastructure as one of the land transportation infrastructures for the movement of social activities and to support economic development, specifically in Palembang City. </em><em>The population growth of Palembang City has resulted in an increase in the number of vehicles and highway users. As a result</em><em>, transportation activities in Palembang, especially at Parameswara </em><em>roads are increasing. </em><em>The imp
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26

Dorlach, T. "The emergence of nutrition warning labels in Latin America." European Journal of Public Health 30, Supplement_5 (September 1, 2020). http://dx.doi.org/10.1093/eurpub/ckaa165.002.

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Abstract Over the last decade, Latin American countries have become leaders in the emerging policy field of front-of-pack nutrition labelling (FOPNL). Recommended by public health experts and the World Health Organization, FOPNL regulations seek to improve the healthiness of population diets and thereby reduce the incidence of overweight and obesity and associated non-communicable diseases, such as diabetes, cancer, and heart diseases. In 2011, Chile passed the world's first comprehensive nutrition labelling law and now prohibits school sales and daytime advertisement of any product labeled “h
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27

Kim, In-Ju, and Salaheddine Bendak. "Emerging safety risks from public facilities: a field study for ablution spaces in mosques." Facilities ahead-of-print, ahead-of-print (June 21, 2021). http://dx.doi.org/10.1108/f-09-2020-0109.

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Purpose Muslims require an exclusive ablution space for preparing for daily prayers in mosques. Ablution floors seem to entail design challenges since they are often encountered in lubricated conditions from worshippers’ body cleaning manoeuvers. Accordingly, fall risks on saturated surfaces of ablution floors would be a major issue to Muslim worshippers. Thus, the purpose of this study is to investigate the safety status of mosque ablution floors in terms of slip resistance properties and surface texture. Design/methodology/approach Fifteen mosques in Dubai and Sharjah cities of the UAE were
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28

Balakrishna, M. N., Fouad Mohammad, Robert Evans, and M. M. Rahman. "EVALUATION OF CHLORIDE ABSORPTION IN PRE-CONDITIONED CONCRETE CUBES." Malaysian Journal of Civil Engineering 30, no. 2 (August 5, 2018). http://dx.doi.org/10.11113/mjce.v30n2.473.

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The chloride contamination will occur from an application of de-icing salts. It was confirmed that, the application of de-icing salts caused a significant reduction in structural and serviceability reliabilities. The chemicals used in the snow and ice control operations (de-icers) may cause corrosion damage to the transportation infrastructure such as reinforced/pre-stressed concrete structures/steel bridges. There are many ways to manage the corrosive effects of de-icers, such as selection of high-quality concrete, adequate concrete cover and alternative reinforcement, control of an ingress a
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