Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/97528
標題: 鹽水溪、急水溪、北港溪及八掌溪水系砂石性質調查分析
Quality Investigations and Analysis of Aggregates on Yanshuei River, Jishuei River, Beigang River and Pachang River Basin
作者: 陳明輝
Ming-Hui Chen
關鍵字: 鹽水溪
急水溪
北港溪
八掌溪
砂石性質
磨損率
Yanshuei River
Jishuei River
Beigang River
Pachang River
aggregate properties
abrasion rate
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摘要: 為妥適利用有限之砂石資源,本研究調查鹽水溪、急水溪、北港溪及八掌溪水系之砂石性質,砂石性質試驗結果,依不同砂石適用用途所對應之規範規定,將砂石品質分成三級,第一級最為堅硬,可適用於超高強度混凝土或特殊工程,第二級適用於瀝青混凝土及一般混凝土粒料要求,第三級對砂石強度要求不高,用於回填材料或農業用途。 鹽水溪與急水溪水系多土砂,屬第三級;北港溪主流無粗粒料,為第三級。上游段支流大埔溪、大湖口溪、石牛溪及石榴班溪磨損率平均16%,粗粒料堅硬,屬第一級;八掌溪河川忠義橋以下多砂,河道兩旁多沖積土,屬第三級。上游段略有砂石,但磨損率平均31%,為第二級,其粗粒料可適用於預拌混凝土及瀝青混凝土。
For effective and proper use of the limited river aggregate resources, the study investigate the aggregate properties of Yanshuei River, Jishuei River, Beigang River and Pachang River basin. The test results of aggregate properties are based on specifications of different aggregates, including the project appraisal of the specific gravity of coarse aggregate. The quality of aggregate is divided into three levels. Aggregates with the first grade quality are hardest and applicable to high strength concrete or special constrution; aggregates with the second grade quality are applicable to asphalt concrete and common concrete; aggregates with the third grade quality have low strength, used as backfill materials or agriculture use. There are many soil sands in the Yanshuei and Jishuei River stream system, belong to grade third level; There is no coarse aggregate in the mainstream of the Beigang River, which is grade third level. The upstream tributaries of Dapu River, Dahukou River, Shiniou River, and Shiliuban River have an average abrasion rate on 16%, and the coarse aggregates are hard, which is the first level; There are many sands after the Zhongyi Bridge of Pachang River, and the rivers are filled with alluvial soil on both sides of the river, which belongs to grade third level. There is little aggregate in the upstream section, but the abrasion rate is 31% on average, belongs to the second level, which the coarse aggregate can be applied to ready-mixed concrete and asphalt concrete.
URI: http://hdl.handle.net/11455/97528
文章公開時間: 10000-01-01
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