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Volume 22 Number 3 Year 2018

22 articles in this issue 

Saksith Chalermpong, Apiwat Ratanawaraha, Nichaboon Maneenoy, Chakaphan Chullabodhi

An experimental project was initiated in Bangkok in 2015 to set up Park and Ride facilities near transit stations as part of an effort to encourage transit use. Incentives were offered to prospective users, including free one-month trial and free transit ... see more

Pags. 1 - 10  

Eakkarat Buapan, Ekrachan Chaichana, Nithinart Chitpong, Bunjerd Jongsomjit

Mesoporoustitania (TiO2) having high specific surface areas of 163 to 306 m2/g was prepared by a template-free one step reaction between TiC precursor and aqueous nitric acid (HNO3) solution. The effects of reaction parameters including acid concentration... see more

Pags. 11 - 24  

Tomohiko Kodama, Masaki Honda, Siti Machmudah, Wahyu Diono, Hideki Kanda, Motonobu Goto

The crystallization of b-carotene through supercritical antisolvent process with carbon dioxide (CO2) as an antisolvent has been demonstrated. The experiments were conducted at temperatures of 40 - 60oC and pressures of 10 - 14 MPa at a constant CO2 flow ... see more

Pags. 25 - 38  

Rattana Borrisutthekul, Anchalee Seangsai, Wuttikron Paonil

In this study, effect of zinc-coated layer on steel sheet of dissimilar metals welding between SCGA270C steel and A5052 aluminum alloy by GTAW was investigated. In the experiments, two types of self-brazing welding; 1) welding between non-zinc-coated stee... see more

Pags. 39 - 49  

Siva Sitthipong, Prawit Towatana, Chaiyoot Meengam, Suppachai Chainarong, Prapas Muangjunburee

This research aims to study the influence of parameters that affect the mechanical properties of semi-solid-metal 7075 aluminum alloy with friction stir spot welding process. The parameters fort this experiment such as rotation welding speed at 380, 760, ... see more

Pags. 51 - 64  

Nualpun Jai-ngam, Kiatfa Tangchaichi

The removal of particulate contaminants adhering to a surface has been investigated using an air nozzle jet and purge particle system before assemble Head Stack Assembly to be final Hard Disk Drive finished good. These technical and economic challenges ha... see more

Pags. 65 - 81  

Serhii Pylypaka, Mykola Klendii, Tetyana Kremets, Oleksandra Mykolaivna Klendii

Generalized differential equations of relative particle motion over the internal surface of an inclined cylinder, which performs an oscillating motion, have been formulated. All the points of a cylinder trace ellipses in vertical planes. Such cases of cyl... see more

Pags. 83 - 92  

Thanyawat Pothisiri, Pitcha Jongvivatsakul, Phuwisorn Horsangchai, Prakit Phornwiriyatham

A series of pull-out tests were conducted to examine the bond deterioration of epoxy resins at elevated temperatures through the relationship between the critical temperature and bond stress. The steel rebars investigated were deformed bars with varying d... see more

Pags. 93 - 107  

Nguonsong Eung, Kasem Choocharukul

For decades, informal transport modes such as Motodup and Remork can be commonly observed in the urban area of Phnom Penh. They play an important role as a major public transport for local travelers, even before the public bus was put into full operation ... see more

Pags. 109 - 122  

Natee Thong-un, Wongsakorn Wongsaroj, Weerachon Treenuson, Jirasak Chanwutitum, Hiroshige Kikura

Ultrasonic velocity profile (UVP) measurement methods have been continuously developed in the field of engineering. A UVP can visualize a fluid flow along a benchmark line. This provides a significant advantage over other conventional methods such as diff... see more

Pags. 123 - 142  

David Im, Pakawat Sancharoen, Parnthep Julnipitawong, Somnuk Tangtermsirikul

Chloride induced corrosion of reinforcing steel is a significant problem. Non-destructive technique to inspect the corrosion of reinforcing steel is required. Thermograph is one of the Non-Destructive Testing methods which may be useful for detecting corr... see more

Pags. 143 - 163  

Dini Nur Afifah, Teguh Ariyanto, Supranto Supranto, Imam Prasetyo

Electrodialysis is a separation process which ions are transported through semi permeable membranes under an influence of electric potential. In this research, electrodialysis using monovalent ion exchange membranes was applied to separate lithium ions fr... see more

Pags. 165 - 179  

Siwarak Unsiwilai, Boonchai Sangpetngam

Crumb Rubber Modified (CRM) is one of techniques for improving asphalt mixture performance. There are two alternatives for applying crumb rubber (CR) to Hot Mix Asphalt (HMA), “Wet” and “Dry”. In the wet process, CR is added into hot asphalt cement in a f... see more

Pags. 181 - 193  

Satoshi Kato, Ryo Matsumaru

Many Japanese civil engineering consulting firms have faced a challenging business environment for the last twenty years following the decrease in the public works budget. To counteract this decline, many of them have tried to expand into new businesses; ... see more

Pags. 195 - 206  

Heri Andreas, Hasanuddin Z. Abidin, Dina A. Sarsito, Dhota Pradipta

In the last few decades, the tidal inundation and abrasion along northern coast of Java Indonesia have been grown very rapidly. These situations are far beyond the geological scale. These are way too fast. Time series of high resolution satellite image da... see more

Pags. 207 - 219  

Ahmad Muzaffar bin Baharudin, Mika Saari, Pekka Sillberg, Petri Rantanen, Jari Soini, Hannu Jaakkola, Wanglin Yan

Fog computing is gaining attention due to the potential of aggregating and processing time-sensitive data at the nearby intelligent gateways. It reduces the latency of sensors data aggregation and response time therefore, improve real-time action which is... see more

Pags. 221 - 232  

Fumio Yamazaki, Hideomi Ueda, Wen Liu

Infrastructures in the world get old in several decades of their service time. Falling-offs of parts of deteriorated structures were often reported and sometimes caused casualties in Japan and many other countries. When an earthquake occurs, in particular... see more

Pags. 233 - 242  

Chika Yamasaki, Michael Henry, Kohei Nagai, Koji Matsumoto, Hiroshi Yokota

It is necessary to increase the capability of engineers to carry out maintenance management for keeping infrastructure safe and serviceable. Many regional training programs have been established to develop engineers into “maintenance experts.” While small... see more

Pags. 243 - 255  

Shin Akatsuka, Junichi Susaki, Masataka Takagi

Precipitable water (PW) is an important variable in the climate system. Interferometric synthetic aperture radar (InSAR) is a powerful remote sensing technique for measuring the topography and deformation of the Earth’s surface. However, variations in atm... see more

Pags. 257 - 268  

Suvachananonda Thitawadee, Maruyama Yoshihisa

Since the ASEAN Economic Community (AEC) was activated in 2015, eight subdistricts of Mae Sot district in Tak province, Thailand have been regarded as special economic development zones (SEZ) due to their situation on the border of Thailand near the pathw... see more

Pags. 269 - 277  

Florife Liwanag, Daniel S. Mostrales, Ma. Teresa T. Ignacio, Jerson N. Orejudos

Modeling flood inundation has become increasingly significant, especially for urban setting. Information on flood characteristics and accurate flow paths is significant for storm water management, hydrological modeling, hydrological data analysis, and vul... see more

Pags. 279 - 289  

Lindung Zalbuin Mase, Suched Likitlersuang, Tetsuo Tobita

On 24 March 2011, the 6.8 Mw Tarlay Earthquake occurred at the border of Thailand and Myanmar. The earthquake not only resulted in structural building damage but also triggered liquefactions on sandy soils in Northern Thailand. Several site investigations... see more

Pags. 291 - 303