透水性鋪面保水與溫差成效之評估 -以中壢市龍慈路為例;Assessment of Water Holding and Differential Temperature Response for Permeable Pavement - In Chungli City, Long Chee Road as an example

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题名:	透水性鋪面保水與溫差成效之評估 -以中壢市龍慈路為例;Assessment of Water Holding and Differential Temperature Response for Permeable Pavement - In Chungli City, Long Chee Road as an example
作者:	張堡清;chang,pao ching
贡献者:	土木工程學系
关键词:	透水性鋪面;洪峰延滯;降低洪峰;保水性;鋪面溫度;Permeable pavement;Hongfeng Yan stagnation;lower peak;water Holding;pavement temperature
日期:	2014-08-28
上传时间:	2014-10-15 14:37:19 (UTC+8)
出版者:	國立中央大學
摘要:	近年來，台灣氣候變化多端，颱風侵襲降雨強度增強，鋪面設施負荷太大，造成各地水患頻傳。透水性鋪面可使雨水下滲，降低地表逕流流量、延緩洪峰、洪水控制及地下水補注，非常符合水資源永續利用之觀念。另外，透水性鋪面兼具保水之功能與水份的蒸發，於鋪面表面溫度明顯低於一般傳統密級配瀝青混凝土鋪面，有效助於都市中溫度的調節。透水性鋪面尚未廣泛使用於一般交通量及市區道路，故本研究鋪設試鋪道路於市區道路，使用多孔隙瀝青混凝土於面層，底層分為透水混凝土、低密度透水混凝土及C-40碎石級配，用於評估不同材料透水之能力。研究結果如下，一、自然降雨分析、模擬降雨試驗及保水性皆可發現斷面三(C-40碎石級配)效果最佳，其次為斷面一(透水混凝土)，後者為斷面二(低密度透水混凝土)。二、透水鋪面可有效降低瞬間豪大雨時之降雨強度，可以減緩排水設施之負擔。三、由本研究以時間量測鋪面最高溫度及CFD模擬建築物室內及室外溫度斷面三溫度皆低於其他三者。四、透水鋪面面層溫度皆低於一般傳統級配，可降低室內溫度。台灣近年淹水情況逐漸延重及環境溫度上升，本研究發現透水鋪面於雨天時具有降低降雨強度、洪峰延滯、保水及降低溫度，建議易淹水地區可鋪設透水鋪面。 ;In recent years, Taiwan′s climate changing, typhoon rainfall intensity increased, paving facility load is too large, resulting in frequent flooding around. Permeable pavement allows rainwater infiltration and reduce runoff flow, delaying flood, flood control and groundwater recharge, very consistent with the concept of sustainable use of water resources. In addition, both permeable pavement evaporate water retention function and moisture in the pavement surface temperature is significantly lower than the general conventional dense graded asphalt concrete pavement, effective help to the city temperature regulation. Permeable pavement has not been widely used for general traffic and urban roads, so this research trial paved roads paved roads in urban areas, the use of porous asphalt concrete on the surface layer, the bottom is divided into pervious concrete, low-density pervious concrete and C-40 graded gravel, used to assess the ability of different materials permeable. The results are as follows, a natural rainfall analysis, simulated rainfall and water retention test section Jieke found three (C-40 graded gravel) the best, followed by cross-section a (pervious concrete), the latter two sections (low-density porous concrete). Second, permeable pavement can effectively reduce rainfall intensity moment when the heavy rain, can slow the burden of drainage facilities. Third, by the time this study was to measure the amount of the maximum temperature and CFD simulation pavement building indoor and outdoor temperatures are lower than in other sections among the three temperatures. Fourth, permeable pavement surface temperatures are lower than the general traditional grading, can reduce the indoor temperature. Taiwan in recent years gradually extended heavy flooding situation and the ambient temperature rises, the study found that permeable pavement when rain has reduced rainfall intensity, slow drainage, water retention and lower the temperature, the proposed flood prone areas can be laid permeable pavement.
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