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前言建造在岸坡上的高桩码头不仅需要验算其使用期的稳定性,而且需要验算其施工期的土坡滑移。据资料记载,因打桩造成的岸坡滑移或滑坡在国内外均有发生。实践表明不仅对连片式顺岸码头,而且对以引桥接岸的多“(?)”形高桩码头为了安全亦应进行此种验算,特别是在低水位打桩时这种验算尤为重要。我国安徽荻港,由于未做岸坡打桩滑移计算,造成了几百根下滑,使其直接损失约500余万元。新建的南京新生圩码头打桩时亦发生一定程度的岸坡滑移,幸而及早采取了措施,才未造成严重后果。
Foreword The construction of tall piles on bank slopes not only needs to check the stability of their service life, but also check the slippery slope during construction. According to the records, bank slips or landslides caused by pile driving have occurred both at home and abroad. Practice shows that this kind of checking should be carried out not only for contiguous butt docks, but also for more “(?)” Shaped piles wharf docked, especially in the case of piling at low water level. In our country, DiGang of Anhui Province, due to the failure to do bank-slip calculation of bank slope, resulted in several hundred slips, causing a direct loss of about 500 million yuan. The new bank of Nanjing Xinshengxu Piers also experienced a certain degree of slippage during piling. Fortunately, measures were taken early to bring about no serious consequences.