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本文通过青岛港八号码头工程的施工实例,系统论述了重力式方码头在施工中发生的沉降、位移与后倾坡度问题。指出影响后倾坡度变化的主要因素是码头断面的结构型式,抛石基床的密实度以及基床顶部的整平层厚度。文中还结合工程实例对重力式码头抛石基床的密实度及整平层厚度对沉降量的影响等给出较实用的经验公式。
In this paper, through the construction example of Qingdao Port No.8 Wharf Project, the problems of settlement, displacement and back ramp in the construction of gravity wharf are discussed systematically. It is pointed out that the main factors affecting the slope change are the structure of the pier section, the compactness of the rubble bed and the thickness of the leveling layer on the top of the bed. In this paper, a more practical empirical formula is given based on engineering examples on the solidity of the riprap foundation of the gravitational wharf and the influence of the thickness of the leveling layer on the settlement.