开洞的混凝土梁柱节点在轴心受压状态下的静力性能研究
详细信息    本馆镜像全文|  推荐本文 |  |   获取CNKI官网全文
摘要
无粘结部分预应力混凝土结构是一种新型的加筋混凝土结构形成,它不需要预留孔道、穿筋、灌浆等复杂工序,简便操作,加快了施工进度。无粘结预应力筋摩擦力小,且易弯曲成各种形状,特别适合建造需用复杂的连续曲线配筋的大跨度楼盖和屋盖。随着对无粘结预应力结构性能的研究,无粘结材料供应充足和轻型张拉千斤顶技术的发展,以及无粘结预应力楼盖在高层建筑结构中的普及,无粘结预应力混凝土结构的优点已得到广泛的认可。但是较大预应力筋孔道给预应力框架柱造成较大的截面削弱,对框架柱的承载能力是否存在不利影响一直是设计人员担心的问题,对五个带有孔道的梁柱节点和一个没有孔道的梁柱节点进行了轴心受压状态下极限承载能力的对比试验。试验结果表明,预应力筋孔道面积超过梁柱截面面积的29%时,在轴心受压状态下,单向留设孔道对框架梁柱节点的极限承载能力有一定影响。
Unbounded partially prestressed reinforced (PPC) structure is a new form of Reinforced concrete (RC) structure 5which need not set ducts ,install tendons and grout in advance ,so it is more convenient and quicken the rate of progress .
    The tendons of unbounded PPC have smaller fraction force and are easier to bend to many shapes ,so it is more suited for building these rooms whose span are large.
    With the study of the ability of unbounded PPC structure and the development of materials of unbounded PPC and the technique of light jack ,the advantage of unbounded PPC structure has been widely recognized.
    The influence of the ducts for tendons or strands weakening the section of frame column is a question in the PPC design .A contrast experimental research of five beam-column joint with two one-way placed ducts and one without any ducts is presented .The results show that there is the influence of those ducts to the ultimate bearing capacity of the weakened section of the joint, when the total section area of the ducts is beyond 29 percent of the cross-section area of column under axes-pressure.
引文
[1]姚谦峰陈平,《土木工程结构试验》,北京:中国建筑工业出版社,(2000),56—75.
    [2]范家骥 高莲娣 喻永言,《钢筋混凝土结构》,中国建筑工业出版社,(1991),28-29
    [3]吕志涛 孟少平,《现代预应力设计》,中国建筑工业出版社,(1998),1-2
    [4]杜拱辰,《现代预应力混凝土结构》,中国建筑工业出版社,(1988),270—271
    [5]陶学康,《无粘结预应力混凝土设计与施工》,地震出版社,(1993)
    [6]陶学康,《后张预应力混凝土设计手册》,中国建筑工业出版社,(1996)
    [7]唐九如,《钢筋混凝土框架节点抗震》,东南大学出版社,(1989),23-36
    [8]吴培明 刘立新,《混凝土结构(上)》,武汉工业大学出版社,(2001,8),14—15
    [9]朱维益 刘宪文 张玉风,《建筑施工便携手册》,机械工业出版社,(2003)80—105
    [10]姚明芳 李立权,《新编混凝土强度设计与配合比设计速查手册》,长沙:湖南科学技术出版社,(2000),203—536.
    [11]过镇海,《钢筋混凝土原理》,清华大学出版社,(2001:12),46-47
    [12]杨南芳 尹辉等,《混凝土结构施工实用手册》,中国建筑工业出版社,(2001),85—112
    [13]中国建筑科学研究院,无粘结预应力混凝土结构技术规程(JGJ/T92—93)中国计划出版社,1993
    [14]沈在康,《混凝土结构试验方法新标准应用讲评》,中国建筑工业出版社,(1994),12-13
    [15]章庆学 李唐宁,双向留设预应力筋孔道的框架柱轴向承载力试验研究,建筑结构,33,2,(2003),42-45
    [16]《混凝土结构设计规范》(GB50010—2002),北京,中国建筑工业出版社,(2002,2)
    [17]何利 段建中,预应力混凝土扁梁节点性能的试验研究,建筑结构,8,(1999),12-13
    [18]赵冬梅,无粘结部分预应力混凝土开洞平板的受力性能研究,施工技术,28,12,(1999),23—25
    [19]张玉明 常万鹏 张然 赵谦,无粘结预应力混凝土平板开洞技术,施工技术,28,12,(1999),20-22
    [20]李唐宁 唐祖全,大跨预应力次梁楼盖结构经济分析,3,(1998),3-4
    [21]韩继云 郭晓民 屈伟,穿有无粘结筋的框架柱截面承载力试验研究,建筑
    
    ??结构,4,(1998),31-34
    [22]李唐宁 贺湘华,单向留设预应力筋孔道框架轴向受力时截面承载力试验研究,建筑结构,6,(2002),12-14
    [23]仝强,无粘结部分预应力混凝土开洞平板的受力性能研究,建筑工程,157
    [24]唐九如 陈俊辉 花霞萍,预应力混凝土框架节点受剪承载力分析,建筑结构,1,(1992)
    [25]杨杰 张然 无粘结部分预应力扁梁节点性能研究,建筑开发(建筑结构),6,1990
    [26]段建中,混凝土双向局部承压的研究,合肥工业大学学报,3,1995
    [27]陶学康,后张无粘结预应力混凝土在高层建筑设计中应用,建筑结构学报,16,4,(1995),3—6
    [28]过镇海,混凝土的强度和变形:试验基础和本构关系,清华大学出版社,(1997)
    [29]Peter J.McHarg , William D.Cook,Denis Mitchell,Young-Soo Yoon:Improved Tranmission of Hing-Strength Column Load through Normal Strength Concrete Slabs,ACI STRUCTURAL JOURNAL,January-February 2000,P157-P165
    [30]Chuan-Chien Shu ,Neil M.Hawkins :Behavior of Columns Continuous through Concrete Floors,ACI STRUCTURAL JOURNAL,July-August 1992,P405-P414
    [31]Willian L.Gamble ,Jeffrey D.Klilnar :Tests of Hing -Strength Concrete Columns with Intervening Floor Slabs ,JOURNAL OF SRRUCTURAL ENGINEERING ,Vol.117,No.5May 1991,P 1462—P1476
    [32]H.Marzouk.MohamedEmam .M.SamehHilal:Effect of Hing ACI STRUCTURAL JOURNAL,September-October 1996,P545-P554
    [33]ACI Committee 318,Building Code Requirements for Structural Concrete(ACI 318-1995) and Commentary (318R- 1995)",American Concrete Institute ,Farmington Hills, Mich,1995,
    [34]Shyh-Jiann Hwang and Hung-Jen Lee :Analytical Model for Predicting Shear Strengths of Interior Reinforced Concrete Bea,-Column Joints for Seismic Resistance, ACI STRUCTURAL JOURNAL,January-February 2000,P35-P44
    [35]A.S.Prasada Rao :Selection and Design of Partially Prestressed Concrete Sections for Strength and Serviceability, ACI STRUCTURAL JOURNAL,May-June 1991,P330—P338
    [36]Lan N.Robertson and Ahmad J.Durranl:.Gravity Load Effect on Seidmie
    
    ??Behavior of Exterior Slab-Column Connections, ACI STRUCTURAL JOURNAL,May-JuncP255—P267
    [37]Park.R.Thompson.K.j:Cyelie load tests on prestressed and partially prestressed beam-column joints .J.PeVel.22No.5,sep/oet 1977.63—83
    [38]F.Sawko.Developments in prestresseol eonerete-2.Applied Science Publishers, 1978
    [39]K.J.Thompson ,and R.Park.Ductility and Partially Prestressed Coneretc Beam Seetion,PCI Journal ,Vol.25,No.2,March-April 1980
    [40]Richard H.Scoott.Intrinsie Mechanisms in Reinforced Concrete Beam-Column Connection Behavior .ACI Structural Journal. 1996(5-6)