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1) prestressed I-shaped beam
预应力工型梁
2) prestressed structure of bridge
桥梁预应力工程
3) prestressed T-shaped girder
预应力T型梁
4) prestressed cell type beam
预应力槽型梁
1.
Two calculation methods of prestressed cell type beam,weighted residue method and integrated analysis method were priority studied,so as to promote research and application of prestressed concrete cell type beam at home and promote bridge construction development.
介绍了预应力混凝土槽型梁的优缺点,重点研究了预应力槽型梁的两种计算方法———加权余量法和整体分析法,以促进国内对预应力混凝土槽型梁的研究和应用,从而推动桥梁建设的发展。
5) prestressed beam
预应力梁
1.
Summaries of big span prestressed beam construction work;
大跨度预应力梁的施工工作总结
2.
In order to guarantee the construction quality of 500 mm×1 900 mm bonded prestress beam,its construction procedure,installation and demolishment of formwork,corrugated pipe setting,prestressed beam baiting,threading and stretching duct grouting and end envelop and other construction points were illustrated,so as to guarantee both quality and quantity.
为了保证500 mm×1900 mm预应力梁的施工质量,对该预应力梁的施工顺序、模板安装与拆除、波纹管留设、预应力筋下料、穿束与张拉孔道灌浆及端部封裹等方面分别阐述其施工要点,保质保量地完成了该预应力大梁的施工。
3.
In this paper,design of long-span prestressed beam is introduced.
文章叙述了大跨度预应力梁的整体设计,包括计算程序的应用、预应力筋数量的估算、材料和锚具的选择及构造要求等,供设计参考。
6) prestressed girder
预应力梁
补充资料：ANSYS工字梁焊缝初应力例子
建立好模型
…..
/SOLU
!*
ANTYPE,0
/INPUT,'input','txt',
/INPUT,'output1','txt',
!*
ISFILE,READ,1,txt, ,0
SOLVE
=====================
!定义残余应力矩阵
I=1
fy=310e6
!定义单元中心坐标数组，初应力数组
*DIM,EleCenter,ARRAY,NumNode,3,1, , ,
*DIM,EleIS,ARRAY,NumNode,1,1, , ,
*DO,I, 1, NumNode,1
!得到单元中心坐标
*GET,EleCenter(I,1,1),ELEM,I,CENT,X
*GET,EleCenter(I,2,1),ELEM,I,CENT,Y
*GET,EleCenter(I,3,1),ELEM,I,CENT,Z
!焊缝位置在X=1.0 到1.05 之间
*IF,EleCenter(I,1,1),GT,1,THEN
*IF,EleCenter(I,1,1),LT,1.05,THEN
*IF,EleCenter(I,2,1),GT,0.5,THEN
!上翼缘初始应力
EleIS(I,1,1)=-20*fy*EleCenter(I,3,1)**2+0.3*fy
*endif
*IF,EleCenter(I,2,1),LT,0.0,THEN
!下翼缘初始应力
EleIS(I,1,1)=-20*fy*EleCenter(I,3,1)**2+0.3*fy
*endif
!腹板初始应力
*if,EleCenter(I,2,1),GE,0.0,THEN
*IF,ELECENTER(I,2,1),LE,0.5,THEN
EleIS(I,1,1)=4.076*fy*(EleCenter(I,2,1)-0.5)**2
EleIS(I,1,1)=EleIS(I,1,1)-0.719*fy
*IF,EleIS(I,1,1),LT,-0.3*fy,THEN
ELeIS(I,1,1)=-0.3*fy
*ENDIF *ENDIF
*ENDIF
*ENDIF
*ENDIF
*ENDDO
===============
!输出应力数值
*CFOPEN,'1','txt',' '
*DO,I,1,3840
!*IF,EleIS(I,1,1),ne,0.,then
*VWRITE,'!'
(A)
*VWRITE,'! Stress for element',
(A,F)
*VWRITE,'!'
(A)
*VWRITE,'eis,',I
(A,F)
P=EleIS(I,1,1)
*VWRITE,P,0.,0.,0.,0.,0.
(E,E,E,E,E,E)
!*ENDIF
*ENDDO
*CFCLOS
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条
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