The simulation of quantified multi-layered ground subsidence by Time Series Analysis
碩士 === 國立中興大學 === 土木工程學系 === 85 === Economy in Taiwan develops rapidly, in recent years. At the same Time,demands for water resources are increasing, people turn to use groundwaterfor it is cheap and qualities are stable. Thus, the groundwater level in so...
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ndltd-TW-085NCHU00150262015-10-13T12:15:16Z http://ndltd.ncl.edu.tw/handle/67645827168125488091 The simulation of quantified multi-layered ground subsidence by Time Series Analysis 以時間序列模擬複層地盤沉陷量化關係之建立 Chen, Yi-Hsuan 陳奕弦 碩士 國立中興大學 土木工程學系 85 Economy in Taiwan develops rapidly, in recent years. At the same Time,demands for water resources are increasing, people turn to use groundwaterfor it is cheap and qualities are stable. Thus, the groundwater level in south-western area descends fast and making the land subsidence disaster very serious. The method that can estimate amount of subsidence using thegroundwater level change is very important from the point of view land protection. The data of goundwater table change and settlement measured at different depths from the monitoring station , are collected to build up the correlationbetween the change of effective stress and settlement . The division of aquifer system and soil layers are judged transfer function between each monitored water head and by comparison of soil layer. Then, the hydrogeological system is set. Finally , it is found that: (A)The transfer function method can analyze the settlement of multiple layers reasonally , and get good result in simulating land subsidence. (B)According to transfer functions founded in kthe analysis, when effective stress stop changing , settlement changes gradually to stop . (C)Using the value of Cv=0.0466cm^2/sec can match field settlement data and the soil behavior more assemble to clayey silt. Su Miau-Bin 蘇苗彬 1997 學位論文 ; thesis 80 zh-TW |
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碩士 === 國立中興大學 === 土木工程學系 === 85 === Economy in Taiwan develops rapidly, in recent years. At
the same Time,demands for water resources are increasing, people
turn to use groundwaterfor it is cheap and qualities are stable.
Thus, the groundwater level in south-western area descends fast
and making the land subsidence disaster very serious. The method
that can estimate amount of subsidence using thegroundwater
level change is very important from the point of view land
protection. The data of goundwater table change and
settlement measured at different depths from the monitoring
station , are collected to build up the correlationbetween the
change of effective stress and settlement . The division of
aquifer system and soil layers are judged transfer function
between each monitored water head and by comparison of soil
layer. Then, the hydrogeological system is set. Finally ,
it is found that: (A)The transfer function method can analyze
the settlement of multiple layers reasonally , and get good
result in simulating land subsidence. (B)According to transfer
functions founded in kthe analysis, when effective stress stop
changing , settlement changes gradually to stop . (C)Using the
value of Cv=0.0466cm^2/sec can match field settlement data and
the soil behavior more assemble to clayey silt.
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author2 |
Su Miau-Bin |
author_facet |
Su Miau-Bin Chen, Yi-Hsuan 陳奕弦 |
author |
Chen, Yi-Hsuan 陳奕弦 |
spellingShingle |
Chen, Yi-Hsuan 陳奕弦 The simulation of quantified multi-layered ground subsidence by Time Series Analysis |
author_sort |
Chen, Yi-Hsuan |
title |
The simulation of quantified multi-layered ground subsidence by Time Series Analysis |
title_short |
The simulation of quantified multi-layered ground subsidence by Time Series Analysis |
title_full |
The simulation of quantified multi-layered ground subsidence by Time Series Analysis |
title_fullStr |
The simulation of quantified multi-layered ground subsidence by Time Series Analysis |
title_full_unstemmed |
The simulation of quantified multi-layered ground subsidence by Time Series Analysis |
title_sort |
simulation of quantified multi-layered ground subsidence by time series analysis |
publishDate |
1997 |
url |
http://ndltd.ncl.edu.tw/handle/67645827168125488091 |
work_keys_str_mv |
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