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Evi Aprianti
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International Association of Lowland Technology In Collaboration with Hasanuddin University and Saga University Address Faculty of Engineering, Center of Technology Building, 1st Floor Jalan Poros Malino km. 6, Bontomarannu, Gowa Indonesia Postal Code: 91711
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Lowland Technology International
Published by International Association of Lowland Technology
ISSN : 13449656     EISSN : 21878870     DOI : https://doi.org/10.0001/ialt_lti
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Engineering Transportation
The Lowland Technology International Journal presents activity and research developments in Geotechnical Engineering, Water Resources Engineering, Structural Engineering, Transportation Engineering, Urban Planning, Coastal Engineering, Disaster Prevention and Mitigation Engineering.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 5 Documents
 1 
Search results for , issue "Vol 14 No 1, June (2012)" : 5 Documents clear
APPLYING THE IMAGES CITY VALUE TO IMPROVE THE IDENTITY OF WUALAI’S LOWLAND COMMUNITY IN THAILAND Umpiga Shummadtayar; Kazunori Hokao; Pawinee Iamtrakul
Lowland Technology International Vol 14 No 1, June (2012)
Publisher : International Association of Lowland Technology

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Abstract

Each of developing communities is interested in basic improvement and sustainable development plan as especially for ‘lowland environmental’, ‘community identity’ and ‘social value’. This paper clear to recognize and create value that impress people in community and visitor in which the space syntax theory that the urban area can be represented as a matrix of connected spaces. There were explained to the physical problems; the historical part and perception of a city image and improving the image of community identity, environment and social value. Particularly, the resident perception on damage of the city could be forming of image and creating social networks with life satisfaction or community living. Based on physical environment and network functional related to develop the design guideline, suitable model and policy framework. To concludes by reach to a greater understanding of city image and discovers how to quantify its importance for each particular case study in term of ‘identity’, ‘structure’ and ‘meaning’. Moreover, this information can support decision-makers to policies plan by prioritizing certain aspects depending on the sense of place by sample groups. These suitable model, though to the methodological proposal idea can be extrapolated to other cities, as a process for measuring city identity image.
EVALUATION ON EXTENT CHANGE AND FUTURE DEVELOPMENT OF URBAN LAND USE USING GIS TECHNOLOGY DongJie GUAN; XueRu ZHANG; HaiFeng Li; Takuro INOHAE; Tadashi NAGAIE; Kazunori HOKAO
Lowland Technology International Vol 14 No 1, June (2012)
Publisher : International Association of Lowland Technology

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Abstract

Based on four phases of land use patterns obtained in 1976, 1987, 1997 and 2005 with integrating spatial technology of geographic information system(GIS), this paper studied the dynamic change and transformation of various land use types in Fukuoka, Japan. Firstly, the characteristics of quantitative and spatial change of land use in the past 29 years were described according to spatial distribution maps, and then changing of land use extent was evaluated by a dynamic change model. The results indicate that the grade value of land use extent was situated between 2 and 4, showing that the land use extent has been transferring from extensive type to urban use type; additionally, change amount and change rate of land use extent were both greater than 0, thus, the land use extent has been situated at a developing stage. Finally, a transfer matrix of Markov was applied to analyze the transferring process of each land use type and to forecast the tendency of future land use change. The forecasting results reveal that area of urban land will continually keep rising at a gradually decreasing speed. Therefore, it will be a long process for land use extent to reach to the urbanization level.
COMPARATIVE STUDY OF LINEAR AND NON-LINEAR THEORIES ONE-DIMENSIONAL CONSOLIDATION OF THICK CLAY LAYERS P. Ayub Khan; M. R. Madhav; E. S. Reddy
Lowland Technology International Vol 14 No 1, June (2012)
Publisher : International Association of Lowland Technology

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Abstract

The classical theory of consolidation developed by Terzaghi is based on linear void ratio-effective stress relationship, thin layer of clay with negligible self weight, infinitesimal strain, constant volume (1+void ratio) and constant coefficients of permeability, volume compressibility and consolidation. This paper presents a simplified theory of non-linear one-dimensional consolidation of a thick clay deposit considering linear void ratio-log effective stress relationship, self weight of soil, constant volume (1+void ratio), thickness of clay layer and coefficient of consolidation but neglecting the slight variation of initial void ratio with depth. The proposed equation for consolidation of the deposit is solved numerically by the finite difference method and the results compared with those of the conventional linear theory. The results indicate that the variation of degree of settlement with time is relatively large while the variation of the degree of dissipation of excess pore pressure with time is relatively small in the case of thick layer of clay compared to those for thin layer. The variations of degrees of settlement and the dissipation of pore pressures are sensitive to the magnitude of applied load relative to the thickness of the deposit unlike in the conventional theory for thin layer. The isochrones in the case of pervious top and pervious bottom boundary conditions are slightly skewed in contrast to symmetrical isochrones of conventional linear theory.
THREE ELEMENTS STRUCTURE AND SOUND EXPECTATION CONCEPT IN SOUNDSCAPE -- A CASE STUDY OF THE NEW LAKESIDE PARK, HANG ZHOU Ge Jiang; Guo Min; Hu Jun; Yue Miao
Lowland Technology International Vol 14 No 1, June (2012)
Publisher : International Association of Lowland Technology

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Abstract

The three elements structure "sound, environment and human" is the core of soundscape. These three elements are closely related, influenced by each other. The specific meanings of the three elements, and how they interact, should be noted in soundscape studies. Only the three elements are considered together, can the findings obtained be convincing. In this paper, the three elements structure is made as a basis and the concept of sound expectation is put forward, which means: people will have a unique expectation on soundscape when they face a particular landscape. A set of research context is designed for sound expectation in order to apply this concept to actual projects. A Case Study of soundscape research in "New Lakeside Park" demonstrates the authenticity and feasibility of sound expectation concept.
GEOSTATISTICAL ANALYSIS FOR SPATIAL EVALUATION OF LIQUEFACTION POTENTIAL IN SAITAMA CITY Rama Mohan Pokhrel; Jiro Kuwano; Shinya Tachibana
Lowland Technology International Vol 14 No 1, June (2012)
Publisher : International Association of Lowland Technology

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Abstract

The liquefaction potential (PL) values within the sedimentary basins are variable within short distances. If PL value does not exist quantitatively at a location of interest then data collected at other locations must be used to estimate the value for the desired locations. The aim of this study is the application of geostatistical method using randomly distributed measured liquefaction potential data to estimate more reliable PL value where measured data is not available. An experimental semivariogram was constructed from these randomly distributed measured locations to characterize the spatial variability of the measured PL value. A model semivariogram curve for isotropic and anisotropic modeling was fitted for the experimental curve to estimate the PL value for the unsampled locations. Using these model curves the potential value for the unsampled locations was estimated. To check the validity of the method and better model the estimated PL value was correlated with the measured PL value at the same locations. The greater R2 value given by the anisotropic model shows the benifit of anisotropic modeling in liquefaction potential mapping.

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