Norishahaini Mohamed Ishak

Universiti Teknologi MARA

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Co-Authors

Hashem Salarzadeh Jenatabadi

University of Malaya

Wong Nyuk Hien

National University of Singapore

Rostam Yaman

Universiti Teknologi MARA

Z. Alias

Universiti Teknologi MARA System

Jazuri Abdullah

Universiti Teknologi MARA

Nor Aida Abdul Rahman

University of Kuala Lumpur

Nazahiyah Mustafa

Hospital Universiti Sains Malaysia

Emma Marinie Ahmad Zawawi

Universiti Teknologi MARA

Farrah Zuhaira Ismail

Universiti Teknologi MARA

Marcel Ignatius

National University of Singapore

Cooperative Institutions

Universiti Teknologi MARA

Universiti Teknologi MARA System

University of Malaya

National University of Singapore

Faculty (United Kingdom)

University of Kuala Lumpur

University of Manchester

Universiti Sains Malaysia

International Islamic University Malaysia

National University of Malaysia

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The Impact of Building Façade Reflectivity on Pedestrian Visual Comfort with the Application of Bayesian Structural Equation Modeling

Engineering Journal (2021)

Norishahaini Mohamed Ishak Hashem Salarzadeh Jenatabadi Siti Nurul Ainun Mohd. Mustafa Jamalunlaili Abdullah

The rapid urban development promotes the need for skyscrapers, which vastly adopt a modern architecture design using reflective materials on the façade of the building, particularly for the aesthetic purpose.Nevertheless, outdoor glare or reflected daylight from a highly reflective building façade may cause visual and thermal discomforts for the residents in the neighborhood buildings and outdoor pedestrians.This might cause uncomfortable glare for individuals outside the building.The amount of glare will be higher as a result of greater solar radiation obtained all year round in tropical countries.Regression and presently structural equation modeling are the best-known statistical modeling in approximating the connection between building facade reflectivity and pedestrian's visual performance.Nevertheless, those methodologies have their own limitations.The primary aim of this research is to compare the effect of building facade reflectivity on pedestrian visual comfort by using four core statistical approximation approaches which include regression, partial least square, structural equation modeling with maximum likelihood estimator, and structural equation modeling with Bayesian estimator.The present study introduces a novel as well as practical modeling and predicting concepts for investigators and specialists in the building façade reflectivity study field.

10.4186/ej.2021.25.1.211

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Citations (3)

The development of mosque buildings classification by thematic analysis method

AIP conference proceedings (2023)

Nor Aida Abdul Rahman Syahrul Nizam Kamaruzzaman Farid Wajdi Akashah Z. Alias Suryani Ahmad

Thematic map

10.1063/5.0168097

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Citations (0)

Outdoor Thermal Comfort of Urban’s Pedestrian in Tropical City of Kuala Lumpur

IOP Conference Series Earth and Environmental Science (2023)

Norishahaini Mohamed Ishak Jazuri Abdullah N A A Rahman

Abstract In recent years, urbanization in the city have given impact to the climate change of the environment. The increase in urban air temperature have decrease the thermal comfort or ruin the experience of the pedestrian in outdoor spaces. This research explores the impact of air temperature on pedestrian outdoor thermal comfort in shaded spaces of tropical city of Kuala Lumpur. Findings are presented from field measurement based on the environmental parameters on case study area. Surveys are conducted which includes 199 randomly selected pedestrians to subjectively observe their feeling and preferences of the outdoor thermal comfort towards the climatic outdoor temperature. Hence, the result concluded that the urban pedestrian walkway has a significantly high temperature. However, the results show that presence of shading structure improve their comfort being in outdoor spaces. This conclude that thermal sensation of pedestrian can be improved with shading structure and it can increase the walkability of pedestrians. The space can also increase the pedestrian’s comfort with help of mechanical ventilation. Thus, it is recommended for outdoor pedestrian spaces to provide shading and have proper ventilation to reduce heat and make pedestrian feels comfortable outdoor.

Thermal sensation

Shading

10.1088/1755-1315/1217/1/012029

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Citations (0)

Beauty Treatment and Spa Design from Islamic Perspective

Procedia - Social and Behavioral Sciences (2012)

Rostam Yaman Z. Alias Norishahaini Mohamed Ishak

The paper aims to study design and spatial relationship in health & beauty treatment by blending modern setting within Islamic perspective. The chosen case studies are Islamic Spa in Klang Valley adopted Islamic Spa Practice (ISP). The methodology used is on-site observation and survey questionnaires. Outcome from the research shown that respondents agreed and satisfied with the design aspect also the implementation of ISP within the selected case studies. Based on Malaysia cases, it is imperative to apply and develop the design according to the ISP as it is a flourishing tourism industries based on specific niche market.

Beauty

Flourishing

Research Design

Niche market

Survey research

10.1016/j.sbspro.2012.08.053

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Citations (25)

The effect of building facade reflectivity on urban dwellers in tropics.

IOP Conference Series Earth and Environmental Science (2018)

Norishahaini Mohamed Ishak Wong Nyuk Hien Hashem Salarzadeh Jenatabadi Marcel Ignatius Rostam Yaman

With the rapid growth and use of modern architecture practices for high-rise buildings, highly reflective materials have been adopted extensively for aesthetical reasons. However, outdoor glare from highly reflective facades might cause thermal and visual problems towards the occupants of neighbouring buildings and outdoor dwellers, particularly pedestrians. In tropical countries, this negative impact can be greater due to the higher solar radiation received throughout the year. At the present, there are few building guidelines limiting outdoor glare, or daylight reflectance from a building facade. This study aims to introduce a framework for outdoor glare studies that focus on perceived glare from highly reflective facades by pedestrians in Singapore. The introduced framework includes age, glare time, glare duration, avoidance and sensitiveness. For this study, the survey is carried out with the application of Structural Equation Modelling (SEM). This paper is helpful for planners, designers, and engineers to estimate the sensitivity of pedestrians' discomfort glare and towards the creation of sustainable architecture in Singapore.

Facade

GLARE

Daylight

Daylighting

Limiting

10.1088/1755-1315/117/1/012038

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Citations (4)

Effect of reflective building façade on pedestrian visual comfort

IOP Conference Series Earth and Environmental Science (2019)

Norishahaini Mohamed Ishak Wong Nyuk Hien Hashem Salarzadeh Jenatabadi Nazahiyah Mustafa Emma Marinie Ahmad Zawawi

Abstract Building materials have become increasingly diverse and flexible regarding their shapes, colours and texture. These include the use of highly reflective materials for facade (e.g. glass or metal claddings) which becomes a popular concept for high-rise buildings. However, these reflective materials contribute to an increasing number of feedbacks on discomfort associated with reflected glare at the pedestrian’s level and the surrounding environment. This study aims to evaluate the impact of reflected glare from the reflective building facade on pedestrians’ visual comfort in Kuala Lumpur city area. The relationship between pedestrians and reflected glare issues is determined by applying Structural Equation Modelling (SEM) between male and female. Total of 500 questionnaires is distributed at four different locations. The six-modelled fitting test was tested and within an acceptable range. For both male and female models shows that age significantly affects sensitiveness toward reflected glare.

Facade

GLARE

10.1088/1755-1315/385/1/012059

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Citations (2)

A Study on Absorption Coefficient of Sustainable Acoustic Panels from Rice Husks and Sugarcane Baggase

Advanced materials research (2015)

Farrah Zuhaira Ismail Mohamad Nidzam Rahmat Norishahaini Mohamed Ishak

Noise has detrimental effects on human lives and it is a nuisance to the environment. As many of the available sound reduction materials in the current market are hazardous, there are demands for alternative sustainable materials to reduce the noise problem. Therefore, the aim of this research is to study the potential of using an agricultural waste as sound absorption panel. For the purpose of this study, the combination of two materials was under studied; rice husks and sugarcane baggase. There were two main objective of the research; first is to develop absorption panels from the combination of rice husks and sugarcane baggase at different percentage of mixture. Second objective is to identify the absorption rate of the panels. The study encompasses the fabrication of the sustainable sound panels using the rice husk and sugarcane fibre and bond using Phenol formaldehyde (PF). Five panels of sized 12 inch x 12 inch and 12 mm thick were fabricated. The absorption coefficient of the samples was done at the acoustic lab, Faculty of Engineering & Build Environment, Universiti Kebangsaan Malaysia (UKM), Bangi. The panels were tested using an impedance tube. The procedure of the test was carried out in accordance with ISO 10534-2:1998 standards. Based on the results, sample 1 gave the highest absorption coefficient compared to sample 2, 3, 4 and 5. It can be concluded that the acoustic panel made from a mixture of 100% rice husks had higher absorption co-efficient compared to the performance of the other samples given the fact that the characteristic of the rice husks which has air gap in every single piece of rice husk. The spongy properties of the sample 1 panel has created many void spaces which encouraged more sound absorption capability due to the porous surface of the panel. Sound absorption is very much affected by the availability of porosity level of the panel. Thus, further studies on other potential materials from waste should be conducted. Keywords . Noise, Agriculture waste, sound, absorption panels, absorption co-efficient

Husk

Noise reduction coefficient

10.4028/www.scientific.net/amr.1113.198

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Citations (4)

Performance of concrete containing steel slag exposed to sulphate environment: A comparison of steel slag and natural aggregate use

Kamran Shavarebi Ali Norishahaini Mohamed Ishak Ahmad Ruslan Mohd Ridzuan

Concrete behave differently when exposed to sulphate. Sulphate may exist in soil, ground water, sea water and effluent discharge by industry. As a result of sulphate attack, cracking, expansion, spalling, loss in volume and strength may take place. To minimize such occurrence, several factors need to be considered such as water/ cement ratio, permeability of the concrete, condition of sulphate exposure, cement composition, curing condition, etc need to be accounted. The idea of this study is to compare the behavior of normal concrete containing steel slag aggregate and normal aggregate under the exposure of two types of sulphate ions namely, natrium sulphate and magnesium sulphate with 0.3molar 5 % concentration for a period of twenty weeks. The durability of concrete containing steel slag i.e. changes in physical, volume and strength after the immersion process has been observed. The result of different water cement ratio of 0.47, 0.52, and 0.55 and steel slag aggregate replacement of 10%, 50% and 100% of total aggregate proportion are presented and analysed. From the result, it shows that the durability of steel slag aggregate (SSA) and natural aggregate (NA) concrete has the same performance.

Slag (welding)

Spall

Sorptivity

10.1109/isbeia.2011.6088883

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Citations (2)