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江苏沿海无资料地区海堤工程设计潮位推算方法 预览 被引量:5

A calculation method of design tide levels for seawalls at Jiangsu coast without tide level observation data
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摘要 以条子泥匡围工程为例,分别采用以下两种方法推算江苏沿海无资料地区海堤工程的设计潮位:一是由潮流数值模拟计算得到工程海域的大潮高潮位,并与附近长期潮位站的同步大潮高潮位建立相关关系;二是在工程海域设立临时观测站,建立短期实测潮位与附近长期潮位站同步观测潮位的相关关系,进而由长期潮位站重现期潮位推算工程海域的设计潮位。两种方法推算的设计潮位差值为16cm,表明两种方法都是合理可行的。两种方法中,前者方便快捷,但需经过充分验证;后者可信度更高,但其受到现场观测条件的限制。建议实际应用时,根据工程的地理位置、重要程度、实施条件等诸多因素选择适用的方法推算设计潮位。 Taking land reclamation in Tiaozini as a case study, two methods were adopted to calculate design tide levels for seawalls at Jiangsu coast without tide level observation data. One was to simulate high tide levels of the spring tide at seawall waters, which were correlated with synchronous tide level observations at adjacent waters, using tidal current numerical model. The other was to establish the relationship between the short-term tide levels at seawall waters and the synchronous long-term tide levels at adjacent waters, which was used to calculate design tide levels at the seawall waters. The difference between the design tide levels obtained by the two methods is 16 cm, suggesting that the two methods are feasible. The first method is convenient, but needs sufficient verifications. The second method is more credible, but is subjected to the field observation conditions. In actual practice, it is necessary to consider the geographic position, the importance, and implementation conditions of the seawall engineering for choosing a calculation method of design tide levels.
作者 龚政 张茜 赵亚昆 王灶平 GONG Zheng, ZHANG Qian, ZHAO Yakun, WANG Zaoping (1. State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjiag 210098, China; 2. College of Harbor, Coastal and Offshore Ertgineeriag, Nanjing 210098, China)
出处 《水利水电科技进展》 CSCD 北大核心 2013年第3期14-17,28共5页 Advances in Science and Technology of Water Resources
基金 国家自然科学基金(510009062,51179067) “十二五”国家科技支撑计划(2012BAB03802) 新世纪优秀人才支持计划NCET-124-0841)
关键词 海堤工程 设计潮位 相关分析 潮流场 数值模拟 潮位观测 seawall engineering design tide level correlation analysis tidal current field numerical simulation tide level observation
作者简介 龚政(1975-),男,江苏张家港人,副教授,博士,主要从事河口海岸动力学研究。E-mail:gongzheng@hhu.edu.cn
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