施工技术 2015年7月上 12 CONSTRUCTION TECHNOLOGY 第44卷第13期 D0I:10.7672/8gjs2015130012 “Ⅱ”型接头在地下连续墙中的应用与分析 金晓飞1,尹寒青,梁书亭,朱筱俊,骆明红2,沈兴东2 (1.东南大学土木工程学院,江苏南京210096;2.中建八局第三建设有限公司,江苏南京210046) [摘要]介绍了地下连续墙“”型接头的设计方法、施工技术及相关技术措施,并应用于工程实例.工程中“Ⅱ”型 接头与地下连续墙槽段分开施工,提高了新型接头地下连续墙的施工效率.“Ⅱ”型接头保留了工字钢接头绕流路 径较长的优点,使得地下连续墙槽段连接处防渗性能较好.槽段全部按照闭合幅施工,地下连续墙的施工质量得 到了保证,一定程度上克服了钢筋笼下放时易出现的卡笼现象. [关键词]地下工程;“”型接头;地下连续墙;施工技术 [中图分类号]TU476.3 [文献标识码]A [文章编号]1002-8498(2015)13-0012-03 Application and Analysis of II-type Joint of Diaphragm Wall Jin Xiaofei' Yin Hanging' Liang Shuting' Zhu Xiaojun' Luo Minghong2 Shen Xingdong (1.School of Civil Engineering Southeast University Nanjing Jiangsu 210096 China;2.The Third Construction Co.Ltd.of China Construction Eighth Engineering Division Nanjing Jiangsu 210046 China) Abstract:This paper mainly introduces the design guideline construction techniques relevant counter measures and an engineering application of II-type joint of diaphragm wall.The new construction method of joint can be separated from panels which improves the wall's efficiency of construction.The new type joint retains the advantage of a long flow path which makes the wall a good seepage performance.The new construction method ensures each panel of the diaphragm wall constructed as a closed panel which overes the reinforcing cage jammed when it lowered. Key words:underground;II-type joint;diaphragms;construction 0引言 难以保证等施工难题. 近年来,在我国的地下连续墙工程中工字钢接1工法特点与流程 头是较常用的一种接头形式,这种接头具有防渗漏1.1工法特点 性能好、连接可靠、抗剪强度高、整体性较好等优 与传统的...
2010年9月 施工技术 第39卷第9期 CONSTRUCTION TECHNOLOGY 111 射线衍射法在既有钢结构应力检测中的应用 李大林,陈鲁2,张其林 (1.同清大学土木工程学院,上海200092:2.上海同清建设工程质董检测站,上海200092) [描要]省多品材料中存在应力时,其内邮品面陶距就会发生盘化,导致刺线衍射港线产生位移.通过分析衍刺 峰位的变化,就可以测量材料中内应力大小及方向.以辽守菜体育馆旅支顶结构为背景,引入射线衍新法测 试了12根径偷杆的应力,并设计结果进行比转,检侧结果表明,传构张拉施工满足计要求,构件实际应力设 计应力较为接近,构处于安全状态.本方法对既有钢结构建筑的护和安全性祥体提供了量化缘据. [关键词]既有铜结构:X射线衍射:应力检测 [中分类导]TU391 [文献标识移]A [文章编号]1002-8498(2010)09-0111-03 Application of X-ray Diffraction Method in Stress Measurement of Existing Steel Structures Li Dalin' Chen Lu2 Zhang Qilin' (1.Ciril Engineering School Tongji University Shanghai 200092 China: 2.Shanghai Tongji Construction Quality Inspection Station Shanghai 200092 China) Abstract:When internal stress exists in polycrystalline materials the interplanar crystal spacing will consequently change and the X-ray diffraction spectrum will vary as well.The internal stress of materials can be figured out by analyzing the displacement change of the diffraction peak.The X-ray diffraction method is adopted to test the stress of 12 radial members of a stadium suspended-dome in Liaoning province.The parison results between the testing data and the designing data show that real stress of the members matches the design stress well and the construction quality meets the design requirement. Totally the structure is in safety.The Xray method gives a quantitative basis for maitaining and safety evaluating of existing steel structures. Key words:existing steel structure:X-ray diffraction:stress measuremen...
TOCT17375-2001(MCO3419-81) M EX rO Cy A P C T B E H H bI eTaIn 6ecu OBHbIe pHBapHbIe H3近HHH3 KOJIernp0 BaHHon CTaJIM OTBOIbI KPYTOM3OTHYTbIE THIIA3D(R≈1 5DN) COBET nO METPOJIOTHM H CEPTHOHKAIIHM MH H C K GOST TOCT 17375-2001.AeTanw Tpy6onpoBonoB 6ecwoBHble w3 M cTanM.OTBOAbI KpyTOM3orHyTbe Tuna 3d(r=1 5 Carbon and low-alloy steel butt-welding fittings.Sharply curved bends type 3D (R=1 5 DN).Design TOCT17375-2001 PA3 PABOTAH OAO BHECEH TocynapcTBeHHbIM KOMHTeTOM no H MeTpo- 2 IPMHIT MexrocynapcTBeHHbIM coBeTOM no cTaHAapTH3 alMH cepTH中MKauHM (nporokon.Ne 20 oT I Hoa6pa 2001 r.) rocyhaperaa Ha其opraHa to自t A3roccraHaapr Pecny6:mka ApMeHns ApMroccraHaapr Benapych IoccraHaapr benapycb Tpy3Ms I py3cTaHtapT KazaxcraH loccraHaapr KasaxcraH Monaosa Poccniickaa中 I occraHnapr Poccnn TypKMeHCTaH * y3roccraHnapr ykpanHa 3 cooTBeTcTByeT MCO3419-81 MTHHTH M3 M CTaIM npHBapHble BCThIK B yacTH OTBOAOB 4 IlocTaHoBneHMeM TocyaapcTBeHHoro KoMHTera no. H MeTponorHM OT27 Ma2002r.N205-crMe rocyaapcTBeHH cTaHnapT TOCT17375-2001 (CO3419-8I)BBeaeH B ecTBMe B:Ka4 ecTBe rocyaapcTBeHHoro cTaHAapra中eaepa1H c I aHBapa 2003 r. 5 B3AMEH TOCT 17375-83 6 nEPEM3/1AHME.Mali 2006 r. MIIK cTaHaapTOB 2002 .CraHnapTHH中opM 2006 cTaHnapr He Mo米eT6lTb nOAHOCTbIO HRH4 HO3 BeneH THpaxHpoBaH H pacnpocTpaHeH B kayecrBe H3naHHa Ha TeppHTopHH 6e3 pa3pe- ueHHs DenepaIbHoro areHTcTBa no TexHHqeckoMy M 10 GOST rOCT17375-2001 Tpy6onp08oAoB6ec OBHble npMBapble M:yrneponncTowH3 konermpoBaHH00 cTanM.OtB0 Qbl KpyTOM:30 THyTbe Tuna3d...