Maleesee, Komsan

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Maleesee, Komsan
Alternative Name
Maleesee, K.
Maleesee, Komson
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Email
komsan.ma@kmitl.ac.th

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    Effects of Shrinkage Reducing Agent and Expansive Additive on Mortar Properties
    (2017-01-01)
    Treesuwan, Sarapon
    ;
    Maleesee, Komsan
    This research is to study the effect of mortar mixed with shrinkage reducing agent (polyoxyalkylene alkyl ether type), expansive additive (CaO type), and fly ash (hereinafter "SRA," "EX," and "FA," resp.). Moreover, steam curing was studied to improve the properties of mortar. The plastic shrinkage test was conducted by using the strain gauge embedded at 0.5 cm from the surface according to the ASTM C1579-06 standard within early age followed by the total shrinkage test and compressive strength test. The test results showed that mixing both the EX and SRA increases the plastic enlargement of the mortar during the early age more than using either the EX or SRA solely. The steam curing helps to reduce the plastic shrinkage when the mortar is added with the FA and SRA while adding the EX increases the enlargement compared to the normal curing. When the EX, SRA, and FA are all added to the mortar mixing, great attention should be paid due to the increase of greater enlargement. For the compressive strength view, the steam curing increases the compressive strength in all types of mixture. The steam curing significantly helps increasing the compressive strength of mortar with combination of EX, SRA, and FA. Nevertheless, the XRD and SEM tests explain such enlargement accordingly.
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    Study of Architectural Form and Structural Analysis of Central Tower Cluster of Angkor Wat
    (2025-01-01)
    Svamivastu, Vacharee
    ;
    Maleesee, Komsan
    In this study, we investigated the form and structure of the Angkor Wat temple complex using diagrams, ogive geometry, and structural analysis. The findings of previous research indicated the appropriate basic grid-cell size for the temple complex’s planning. They were used as the main data for this research. An earlier analysis revealed the geometric code (basic module, BM) that controls the architectural design diagram and construction of the temple complex. The use of a center-shifting technique to avoid the numerical fractions occurring in grid cell modules resulted in the asymmetry of the temple, as evidenced by the unequal openings (windows) on the left and right sides of the first enclosure. The diagram 5:6, suitable for the inhabitants who were the Vaiśyas, is achieved by the center-shifting technique. The form analysis showed that the towers in the temple were of ogive shape of varying sizes, corresponding to Pythagoras’ common-right-triangle combinations. The structural analysis demonstrated the use of low-tiered walls around the core structure of the central tower cluster, increasing the wall bearing of the core structure with exceptionally large wall corners to strengthen the bearing walls of the core structure. As a result, the maximum weight-induced deformation of the central tower cluster indicates the capability of the walls to sustain massive weights. An Angkor Wat central tower cluster was constructed on a slant base foundation. In this research, we unveiled the structurefollowsform and form-follows-structure principles in the construction of the Angkor Wat temple.
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    The Geometrical Relationship Between Ancient Hindu Technical Treatises and the Planning and Organization of Angkor Wat
    (2025-04-01)
    Svamivastu, Vacharee
    ;
    Maleesee, Komsan
    Angkor Wat is the supreme masterpiece of Khmer architecture, built by King Sūryavarman II during the 12th century A.D. Jane Przyluski hypothesized that Angkor Wat was the tomb of King Sūryavarman II. On the other hand, George Cœdès thought that Angkor Wat complex was habitation in the form of a celestial palace. According to Henri Parmentier, though the buildings and constructions in Angkor Wat temple complex are majestic, they are geometrically out of place. The temple complex is non-symmetrical, as the complex’s center is left-aligned. The above controversial opinions inspire a deep examination of the geometric system of the architectural and structural design of Angkor Wat. This research investigates the architectural planning and frame structures of Angkor Wat stone temple complex using a Hindu grid system. The study was based on field survey data of the temple complex and Hindu ancient texts, specifically the Vāstu Śāstra. PhotoModeler Pro5 and Polycam for iOS-4.0.5 were utilized to render three-dimensional (3D) images of the entire temple complex. The analysis finds the geometric code (suitable module) used in the planning of 2.75 m × 2.75 m in the metric system (1 Phyeam 1 Hat 1 Thnob in) the local Cambodian measuring system). The geometric code (2.75 m × 2.75 m) highlights the design diagram and construction of the temple complex. The research also unveiled the use of a center-shifting technique where the vertical axis running through the center is deliberately left-aligned, to avoid numerical fractions occurring in the grid modules. The technique gives rise to the asymmetry of the temple complex. The findings led to understanding the symbolic meaning of spatial organization of the layout and plan of Angkor Wat design, which was meant to be a suitable residence for the god on earth, the king, and his citizens. Moreover, it also means the final abode of King Sūryavarman II after his death, represented by the image of Lord Viṣṇu.