水电站大体积混凝土浇筑施工的温度应力三维仿真分析（论文）.pdf

建江行上/工专开业内专研专工外开/开杂外工程地一氨佑会孔丝绳副n站件外鸿朗浅论通联份o角效碰`缘中虑pp统 ?赖捧统1 . 长江勘测规划设计研究院湖北武汉 4 3 0 0 1 0 ; 2 . 中国建筑第二工程局有限公司湖南长沙 4 1 0 0 0 5?境)耐佑会孔丝绳副n站亭发西5微朗,>芯5丝绳副民造司关朗浅论通./5管养>芯县次鸿检会微通评县次水泥城诚色5斌?地一氨管地动佑会孔丝绳副件外诚?5格址A n s y s有限元软件，对在拟定温度及通水冷却措施下的混凝土浇筑温度和温度应力进行三维数值模拟分析，从而确定各部位的最高温度和最大拉应力。分析结果验证了温度控制措施的有效性，对实际混凝土的浇筑施工具有一定的指导意义。关键词：水电站；进水塔；温控措施；三维仿真中图分类号：TV5 4 4 文献标志码：A 文章编号： 1 0 0 4 - 1 0 0 1 ( 2 0 2 0 ) 0 1 - 0 1 2 0 - 0 2 DOI： 10.1 4 1 44/j.c n k i.jz s g.2 0 2 0 . 0 1 . 0 3 7术发 /木总联心团级木战司杂司团心技个木个战略内主总化主）团级联）主 /级）主个个战略土团个个工战司市）主级主建战联）木司新 Construction in Hydropower Stationk N ji yEL7d3a kNOM9A4dAr l.OMs JARAE3Ur 1. Changjiang In s titu te o f Survey, Planning, Design and Research, W u h a n, Hubei 430010, China;2. China Constructio n Second Engineering Bureau Ltd., Changsha, Hunan 410005, China5▲OUSblUQ D u r i n g t h e m a s s c o n c r e t e p o u r i n g, d u e to t h e i n f l u e n c e of t e m p e r a t u r e d i f f e r e n c e, t h e c o n c r e t e is p r o n e to p r o d u c e t e m p e r a t u r e s t r e s s c r a c k s, w h i c h will affect t h e overall s t r e s s a n d struct u r a l s a f e t y of t h e s t r u c t u r e. F o r this r e a s o n, t a k i n g t h e m a s s c o n c r e t e c o n s t r u c t i o n of t h e intake t o w e r of a h y d r o p o w e r station a s a n e x a m p l e, 3D n u m e r i c a l s i m u l a t i o n a n a l y s i s of c o n c r e t e p o u r i n g t e m p e r a t u r e a n d t e m p e r a t u r e s t r e s s u n d e r p r o p o s e d t e m p e r a t u r e a n d w a t e r c o o l i n g m e a s u r e s is c o n d u c t e d b y u s i n g A n s y s finite e l e m e n t s o f t w a r e, s o a s to d e t e r m i n e t h e m a x i m u m t e m p e r a t u r e a n d tensile s t r e s s of e a c h p a r t. T h e a n a l y s i s results verify t h e e f f e c t i v e n e s s of t h e t e m p e r a t u r e con t r o l m e a s u r e s, w h i c h h a s cer t a i n g u i d i n g s i g n i f i c a n c e to t h e a c t u a l c o n c r e t e p o u r i n g c o n s t r u c t i o n.集泥程技究院^间经 h y d r o p o w e r sta t i o n; i n t a k e t o w e r; t e m p e r a t u r e con t r o l m e a s u r e; 3D s i m u l a t i o n Zt?7>Os?O?gd?K??^_? z5K????^t??_?“???O?????Os ?QO"??Os?O?^_?“/jS?tLd?*???? ?c??OEO-:?.?????????^_? ???????^_??tL?B=?T???,?? `d????T??^_??[&~?,S ???????u.??5?????_“?? 5 ? ? ? ? S T ???

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