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一、前言天津大港油田工程建设公司承建的中国石油尼日尔油田地面建设项目,其中包括建造多个大型储油罐,为后续油田储油提供充足的储存空间。罐基础施工过程中,需在基础底部铺设一层100mm厚的沥青砂,主要是防止金属油罐直接与下层的基础砂垫层接触,避免金属油罐底板
I. INTRODUCTION The ground construction project of PetroChina Niger Oilfield undertaken by Tianjin Dagang Oilfield Construction Company includes the construction of several large oil storage tanks to provide sufficient storage space for subsequent oilfield storage. Tank foundation construction process, the need to lay a layer of 100mm thick asphaltic sand at the bottom of the foundation, mainly to prevent the metal tank directly contact with the underlying foundation sand bedding, to avoid the metal tank floor