珠海拱北口岸广场地面层大面积无粘结预应力混凝土平板施工  

CONSTRUCTION OF A LARGE AREA PRESTRESS WITHOUTBOND CONCRETE FLOOR SLAB OF THE ZHUHAI GONGBEISQUARE PROJECT

作　　者：董化宇 叶强 李铁和 邢厚俊 杨宗放 

机构地区：[1]澳门权晖建筑工程有限公司珠海公司,珠海519020

出　　处：《建筑技术》1999年第12期838-841,共4页Architecture Technology

摘　　要：珠海拱北口岸广场的平面尺寸为２４８ｍ×１９０ｍ，地下２～３层，其地面层采用无粘结部分预应力混凝土无梁平板，不设伸缩缝。在施工中，采用合理的施工分块、新型单孔连接器及补偿收缩混凝土等，取得良好的技术经济效果。The plan dimension of the Zhuhai Gongbei Square concretefloor slab has been designed of 248m by 190m, with an underground basement of 2-3 storey and it is currently the biggest square of our country. Itsground floor slab has adopted a portion of prestress without bond flat slab construction and without any expansion joint. During construction, an appropriate division of separte block has been carried out. Besides, a new singlespan cormector has been applied and a compensation for prestressing lossdue to shrinkage is made etc. All these measures have gained good technological and economic results.

关 键 词：地下建筑 无粘结预应力 施工 混凝土平板 

分 类 号：TU94[建筑科学—建筑技术科学] TU757