| 回填贝壳砂耐久性试验研究 |
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| 引用本文： | 瞿亦容,郦能惠,陈晖.回填贝壳砂耐久性试验研究[J].海洋工程,2006,24(1):110-114121. |
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| 作者姓名： | 瞿亦容 郦能惠 陈晖 |
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| 作者单位： | 1. 南京水利科学研究院,江苏,南京,210029
2. 中海福建天然气有限责任公司,福建,福州,350001 |
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| 基金项目： | 中国海洋石油公司资助项目 |
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| 摘 要： | 介绍了对我国浅海大量存在的贝壳砂进行化学性质和耐久性试验研究结果,从贝壳在酸雨中质量损失、溶蚀对贝壳成分和形态的影响及溶蚀对贝壳砂工程特性的影响三方面研究了贝壳砂的化学性质和耐久性,发现酸雨对贝壳有一定的溶蚀作用,在贝壳表面形成溶蚀凹坑,但是溶蚀作用缓慢,质量损失很小,酸雨溶蚀和海水溶出后的贝壳砂工程特性与未溶蚀的贝壳砂的工程特性相近,因而贝壳砂可用作海洋工程或港口工程回填砂。
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| 关 键 词： | 回填 贝壳砂 耐久性 溶蚀 |
| 文章编号： | 1005-9865（2006）01-0110-05 |
| 收稿时间： | 2005-01-31 |
| 修稿时间： | 2005-01-31 |
Experimental study on durability of shell sand backfill |
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| QU Yi-rong,LI Neng-hui,CHEN Hui.Experimental study on durability of shell sand backfill[J].Ocean Engineering,2006,24(1):110-114121. |
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| Authors: | QU Yi-rong LI Neng-hui CHEN Hui |
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| Institution: | 1. Nanjing Hydraulic Research Institute, Nanjing 210029, China; 2. CNOOC Fujian LNG Co., Ltd., Fuzhou 350001, China |
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| Abstract: | The results of study on the chemical properties and durability of shell sand in the neritic zone of China is described briefly in the paper.The mass loss of the shell corroded by acid rain,the change of shape and composition by corrosion and change of engineering properties of shell sand by corrosion have been researched to evaluate the durability of shell sand.It is found that the corrosion of the shell by acid rain exists but the mass loss of the shell is very small.The engineering properties of corroded shell sand are similar to those of uncorroded shell sand.So the shell sand can be used as backfill for sea reclamation in coastal or port engineering projects. |
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| Keywords: | backfill shell sand durability corrosion |
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