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http://dx.doi.org/10.12791/KSBEC.2015.24.2.085

Settlement Instrumentation of Greenhouse Foundation in Reclaimed Land  

Choi, Man Kwon (Protected Horticulture Research Institute, NIHHS, RDA)
Yun, Sung Wook (Institute of Agriculture & Life Science, Gyeongsang National University)
Yu, In Ho (Protected Horticulture Research Institute, NIHHS, RDA)
Lee, Jong-Won (Institute of Agriculture Science & Technology, Kyungpook National Univ.)
Lee, Si Young (Dept. of Agricultural Engineering, National Academy of Agricultural Science, RDA)
Yoon, Yong Cheol (Dept. of Agricultural Eng., Gyeongsang National Univ(Institute of Agriculture and Life Science))
Publication Information
Journal of Bio-Environment Control / v.24, no.2, 2015 , pp. 85-92 More about this Journal
Abstract
This study examined the settlement of a 1-2W type greenhouse using a timber pile, which was recently established on Gyehwa-do reclaimed land, in order to obtain base data for the construction of a greenhouse on reclaimed land. The results of this study are as follows. foundation and timber pile increased over time, irrespective of the interior and exterior of the upon investigation of the ground, it was confirmed that there was no soft rock stratum (bedrock), and that a sedimentary stratum existed under the fill deposit, which is estimated to have been reclaimed during the site renovation. It was also found that a weathered zone was located under the fill deposit and sedimentary stratum, and that the soil texture of the entire ground floor consisted of clay mixed with sand, silty clay, and granite gneiss, in that order, regardless of boreholes. In addition, the underground water level was 0.3m below ground, regardless of boreholes. Despite a slight difference, the settlement of the greenhouse or measurement sites (channels). With regard to the pillar inside the greenhouse, except in the case of CH-2, the data at a site located on the side wall of the greenhouse (wind barrier side) indicated vibrations of relatively larger amplitude. Moreover, the settlement showed a significant increase during a certain period, which was subsequently somewhat reversed. Based on these phenomena, it was verified that the settlement range of each site in the interior and exterior of the greenhouse was between 1.0 and 7.5mm at this time, except in the case of CH-1. The results of the regression analysis indicated good correlation, with the coefficient of determination by site ranging between 0.6362 and 0.9340. Furthermore, the coefficient of determination ranged between 0.6046 and 0.8822 on the exterior of the greenhouse, which is lower than inside the greenhouse, but still indicates significant correlation.
Keywords
coefficient of determination; ground condition; ground water lever; 1-2W type greenhouse; wood pile;
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Times Cited By KSCI : 4  (Citation Analysis)
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