Mohd IRWAN Adiyanto

Mohd IRWAN Adiyanto
Universiti Malaysia Pahang Al-Sultan Abdullah | ump · COLLEGE OF ENGINEERING

Doctor of Philosophy
Study on seismic design and costing for Malaysian buildings

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23
Publications
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96
Citations

Publications

Publications (23)
Article
Full-text available
Almost all buildings in Malaysia were previously designed for non-seismic loading. As such, the need to consider seismic load poses challenges for the engineers and project owners. In order to enlighten the stakeholders on the effect of adopting seismic design, the impact on building material cost and quantities must be investigated in advance. Alt...
Article
Full-text available
People believed Malaysia did not experience earthquakes because the country is not in the Pacific Ring of Fire. Then, an earthquake of magnitude M w 6.0 struck Ranau, Sabah, meaning Malaysia was no longer safe from seismic catastrophes. This is especially true when most buildings in Malaysia are not made to withstand the shaking that comes from ear...
Article
The Sumatra-Andaman earthquakes had triggered local earthquakes in Malaysia by reactivation of ancient inactive faults. Previously on 5thJune 2015, Ranau, a region located in Sabah, Malaysia, had experienced a moderate earthquake of Mw6.1. The structural failures occurred because all existing buildings only designed for gravity load without any sei...
Article
Full-text available
Reducing dependent on naturally sourced materials is among the priority in improving the sustainability of road construction. The subbase layer which provides strength and stability across the road profile, comprised mainly of natural aggregates. This study aims to explore the feasibility of partial replacement of natural aggregates in subbase laye...
Conference Paper
Full-text available
On the globe, Malaysia is located far from a region known as the Pacific Ring-Fire. The latter is recognized as one of high seismic region in the world. However, the nation is still exposed to the tremors originated from Sumatra-Andaman and Philippines earthquakes. Besides, Malaysia also has its own local earthquakes originated from local faults. A...
Article
Full-text available
Malaysia is fortunate because it is located outside the Pacific Ring-Fire region which is seismically active. However, it still exposes to earthquake hazard from Far-Field earthquake from neighbouring countries. In Peninsular, it is exposes to Sumatra-Andaman earthquake from Indonesia. In East Malaysia, to states namely as Sabah and Sarawak are exp...
Article
Full-text available
Ground motion prediction equations (GMPEs) are being used for the estimation of the ground motion parameters which are needed for the design and evaluation of important structures. The seismic hazard may contribute greatly to the total risk; therefore the selection of appropriate GMPEs may have a substantial influence on the design and safety evalu...
Article
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Plain concrete possesses very low tensile strength, limited ductility and little resistance to cracking. Fibers glass-reinforced concrete supposed to improve the strain properties well as crack resistance, ductility, as flexural strength and toughness. This paper aims to predict the flexural behavior of fiber-glass reinforced concrete and optimize...
Article
Full-text available
Previously, damaging earthquakes were fortunately rare in Malaysia. However, after Sumatera-Andaman earthquake on 26 December 2004 affected Peninsular Malaysia causing deaths, injuries and loss of property. Furthermore, some of the local earthquake that had occurred in Malaysia are probably due to the reactivations of ancient inactive fault due to...
Article
Full-text available
Sabah is known for its active earthquake activities, especially in Ranau, Kudat and Lahad Datu areas. The effects of local earthquake can reach M W 6.0. Furthermore, Sabah was also hit by earthquakes from neighbouring countries such as Sulawesi and Philippines. These countries produce highly active earthquakes that can reach as high as M W 8.6. The...
Chapter
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On June 5th 2015, Malaysia was shocked by an earthquake with Mw6.1 which had struck Ranau, one of the districts in Sabah. The moderate earthquake was the strongest recorded since the Mw5.8 earthquake which occurred in Lahad Datu in 1976. The Ranau earthquake had caused minor to severe damages to local buildings. Although Sabah is located outside th...
Article
Full-text available
Elevated reinforced concrete water tanks are one of the most essential structure to major cities and also in rural areas before, during and after a disaster such earthquake. It is important to prevent elevated reinforced concrete water tank from collapse so the water supply can be maintained. One of the methods used to evaluate the seismic capacity...
Article
Full-text available
Buildings subjected to torsional effect may result to the floors of the building not only translate laterally but also rotate vertically. Torsional effects may significantly modify the seismic response of buildings, and even cause severe damage or collapse of structures. The current practices in earthquake design is to apply single earthquake on st...
Article
Full-text available
One of the most significant regional earthquakes which brought catastrophic impacts is the magnitude of Mw = 9.1 earthquake which occurred on the western coast of Banda Aceh, North Sumatera had generated a massive Indian Ocean tsunami on December 26th, 2004. Apart from that, several local earthquakes also occurred in Bukit Tinggi, Pahang and Ranau,...
Article
Full-text available
A series of earthquakes such as Sumatra-Andaman earthquake on 26 December 2004, Nias earthquake on 28 March 2005, and Bengkulu earthquake on 12 December 2007 had influences to a series of subsequence local earthquake in Peninsular Malaysia. Recently, East Malaysia especially Sabah has become earthquake prone region due to local fault. Hence, Malays...
Article
A half-scale single-bay two-storey RC frame was designed in accordance to Eurocode 8 and constructed using ready mix-concrete by considering seismic load with Ductility Class Medium (DCM). Thetwo-storey moment resistant RC frame was constructed by preparing reinforcement bars caging, preparation of formwork, concreting and curing process. Then, the...
Conference Paper
Full-text available
On 5th June 2015, a moderate earthquake with Mw 5.9 hit Ranau, resulted in damages of the existing non-seismically designed buildings, such that 61 buildings, including mosques, schools, hospitals and Ranau police headquarters were suffered from different level structural damages. Soft storey irregularity is one of the main reasons of the building...
Conference Paper
Full-text available
On 15th June 2016 a moderate earthquake with magnitude Mw5.9 was occurred in Sabah, Malaysia. Specifically, the epicentre was located at 16 km northwest of Ranau. Less than two days after the first event, a reconnaissance mission took action to investigate the damages on buildings. Since the reinforced concrete buildings in Ranau were designed base...
Article
Full-text available
Since Malaysia is not located in active seismic fault zones, majority of buildings in Malaysia had been designed according to BS8110, which not specify any seismic provision. After experienced several tremors originating from neighbouring countries especially from Sumatra, Indonesia, the Malaysian start to ask questions on integrity of existing str...
Article
Full-text available
Before the disaster of the century known as 'The Terrible Tsunami' caused by heavy Sumatra Andaman earthquake in December 2004, it can be said that no one in Malaysia care about earthquake. Majority of Malaysian citizen does not worry to earthquake hazard. However, after experienced several tremors in Sabah and Peninsular Malaysia due to earthquake...
Article
Full-text available
Current practices in earthquake engineering only apply single earthquake on building structure during modelling and analysis. However, in real earthquake event, the tremors always occurred repeatedly until two or three times after the first tremor. This phenomenon can affect the stiffness and strength of the structural system. Due to lack of time,...

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