大跨预应力混凝土楼盖设计方案的计算分析.pdf

* 邬喆华 许国平 何丽波 王剑璇 ( 200092) ( 315010) : , , , , , : ANALYSISOFSTRUCTURALPLAN FORLONGSPAN PRESTRESSED CONCRETEFLOOR Wu hehua ( Department of Civil Engineering, Tongji University Shanghai 200092) Xu Guoping H e Libo Wang Jianxuan ( Ningbo Architectural Design and Research Inst itute Ningbo 315010) Abstract: Focus on project of long span concrete f loor, t he spatial calculated models are built Frame structure and crossing girder structure are considered T hrough emphasizing on beam cracking capacity, the number of prestressed steel area, internal force and displacement are calculated As compared w ith two structural plans, the design met hod is put forward to satisfy the technical specificat ion Keywords: prestressed concrete crossing girder frame structure s HRB400; 152, 1 1 860MPa, II , , , 070f ptk , [ 1, 2] , , 503m 23% 13514 30m, 148m 0 F ~ N 2 G ~ J 264m, F F ~ N N 66m, 66m , 2 YKL - 1YKL - 2 YKL - 1, YKL - 2 G ~ J , 33m 600mm 1 600mm 12 33m L- 1 168 YKL 7 YL- 1~ YL- 4 G [ 3] - 1 3 ~ J 4 ~ 8 , L- 1 * ( 2005037512) ; ( 2006A610098) 1 100mmK - 1 : 1971 10 800mm 1 300mm 2 2 52kN/ m 05 kN/ m