城市建筑
城市建築
성시건축
URBANISM AND ARCHITECTURE
2013年
14期
212-212
,共1页
箱梁%后张法%裂缝%控制
箱樑%後張法%裂縫%控製
상량%후장법%렬봉%공제
box girder%post-tensioned%crack%control
裂缝是预应力箱梁的重大质量问题,引起裂缝的因素很多,也很复杂。其中,收缩和温度应力是主要因素。
裂縫是預應力箱樑的重大質量問題,引起裂縫的因素很多,也很複雜。其中,收縮和溫度應力是主要因素。
렬봉시예응력상량적중대질량문제,인기렬봉적인소흔다,야흔복잡。기중,수축화온도응력시주요인소。
The cracks are the major quality problems of prest-ressed box girder, Cracks caused by many factors, and are also very complex. Among them, the shrinkage and temperature st-ress are major factors.