新世界花园会所泳池预应力顶板工程施工实践.doc

 北京新世界花园2号楼地下游泳池顶板为框架正交井字梁结构，其上承担1.5米花园覆土,其井字梁为无粘结预应力梁。井字梁截面尺寸为400×1200mm，框架梁为800×1200mm，均为预应力梁。按设计要求，南北向梁为主梁，梁非预应力筋绑扎时南北向钢筋在下。预应力梁最大跨度18m，
Beijing New World Garden, Building 2, ground swimming pool within the framework of the orthogonal cross beam roof structure to assume its 1.5-meter garden covering, the cross beam for the non-prestressed beam. Cross beam cross-section dimensions of 400 × 1200mm, frame beams for the 800 × 1200mm, are prestressed beams. According to design requirements, the main north-south beam to beam, beam of non-prestressed steel banding when the next north-south. Maximum span prestressed concrete beam 18m,