2014年10月上 施工技术 第43卷第19期 CONSTRUCTION TECHNOLOGY 17 D0I:10.7672/5j52014190017 岩溶地质旋挖灌注桩成孔工艺及其基桩 质量控制研究* 王家全，朱庆盛，刘垒雷，黄柳云 (广西科技大学土木建筑工程学院，广西柳州545006) [摘要]针对岩溶区旋挖桩施工质量问题，改进复杂岩溶地质条件下旋挖成孔灌注桩的施工工艺，并结合岩溶发育 场地的旋挖灌注桩施工实例，分析了不同旋挖成孔施工工艺下基桩质量的差异，揭示了影响岩溶地区旋挖灌注桩 成桩质量的主要因素，并提出了旋挖桩在岩溶区提高成桩质量的有效措施. [关键词]桩基础；旋挖灌注桩；岩溶地区；质量控制：施工技术 [中图分类号]TU753.3 [文献标识码]A[文章编号]1002-8498(2014)19-0017-03 Research on the Pore-forming Technology of Rotary Digging Cast-in-place Pile and Quality Control in Karst Area Wang Jiaquan Zhu Qingsheng Liu Leilei Huang Liuyun Department of Civil Engineering Guangxi University of Science and Technology Liuzhou Guangxi 545006 China) Abstract:With the existing construction quality problems of rotary digging pile in karst area this paper aims to improve the construction technology of rotary digging cast-in-place pile in plex karst geological condition and analyzes the differences quality in different pore-forming technology bined with the specific project of rotary digging cast-in-place pile construction in karst development area.This paper reveals the main factors which affect the quality of rotary digging cast-in-place pile and proposes the effective measures to improve the quality of the rotary digging pile. Key words:piles;rotary digging cast-in-place piles;karst area;quality control;construction 0引言 君基于旋挖钻机施工工艺与施工病害提出了防 我国岩溶地质分布广泛，尤其在广西、贵州等 治措施，武文等2基于某工程实例阐述了旋挖钻孔 地区较为常见.随着我国城市化进程的推进，城市灌注桩的施工工艺，张学进[3总结了旋挖钻孔灌注 建筑逐渐向高层、超高层发展，而很多高层、超高层 桩在软土地基中不同施工工艺的优缺点和适用条 建筑都坐落在岩溶地基上，一般的基础形...
2013年3月上 施工技术 第42卷第5期 CONSTRUCTION TECHNOLOGY 75 D0I:10.7672//sgjs2013050075 岩溶地区厚覆盖层钻孔灌注桩溶洞处理技术* 戴祖生，陈庆华 (广东省长大公路工程有限公司，广东广州510620) [摘要]江肇西江特大桥主桥为(1283×210128)M4塔5跨单索面脊梁预应力混凝土矮塔斜拉桥.桥位处基 岩溶洞及溶蚀裂隙集中发育，覆盖层为厚17-37m的强透水性砂层.以西江特大桥南引桥钻孔灌注桩施工为背 景，对复杂地质条件地区桩基溶洞的处理技术进行了系统总结，重点介绍了溶洞注浆施工工艺以及特殊地段所采 用的桩周覆盖层旋喷帷幕压浆处理施工工艺，并对施工参数、成孔要点和旋喷施工要点进行了分析. [关键词]桥梁工程；斜拉桥；岩溶；钻孔灌注桩；溶洞；注浆；帷幕 [中图分类号]TU753.3;U445.551 [文献标识码]A[文章编号]1002-8498(2013)05-0075-03 The Treatment of Bored Pile Cave in Karst Region with Thick Overburden Dai Zusheng Chen Qinghua Guangdong Provincial Changda Highsay Engineering Co.Ltd.Guangzhou Guangdong 510620 China) Abstract:The Jiangzhao Xijiang River Bridge is a four-tower bridge with a total span of (1283 x210 128)m.It is a single cable plane cable-stayed bridge with prestressed concrete towers.The bridge is located in Karst region where the bed rock cave and corrosion fissure grows were found to be concentrated at the bridge site.The overburden is 17 ~37 meter thick sand layer with strong permeability.Based on the construction of the south approach span of the Xijiang River Bridge treatment of the bored pile cave in karst region with plicated geological conditions is well summarized.The construction technology of karst cave grouting and high pressure screw spray curtain at special sections are introduced in detail.Construction parameters main points of pore-forming and screw spray construction are also analyzed. Key words:bridges;cable stayed bridges;karst;bored piles;karst caves;grouting;curtains 岩溶、厚覆盖层等地质特点在我国南方地区分起于江门市杜阮镇（接江鹤高速公路），终于肇庆市 布较广.在该类型地质条件地区进行钻孔灌注桩 四会市东城区（接广贺高速公路）.大桥位于永安 基础施工常面临较高风险，事故频发. 镇与沙浦镇之间，桥位跨越西江主干流，主桥为 西江特大桥桥位处于广州三大断裂带和西江 (1283×210128)m4塔5跨单索面脊梁预应力 断裂带范围内，桥位地层岩性复杂多样，基岩溶洞 混凝土矮塔斜拉桥.桥跨立面布置如图1所示. 及溶蚀裂隙集中发育，溶洞及裂隙多且连通，覆盖 128 210×3 128 层为厚17~37m的强透水性砂层，岩面倾斜，岩体 强度高，地质条件非常复杂. 1工程概况 图1西江大桥立面示意（单位：m) 江门一肇庆高速公路是珠江三角洲经济区外 Fig.1 Elevation of Xijiang Bridge(unit:m) 环公路的西环段，位于珠江三角洲西部地区.路线 西江特大桥南引桥处表层覆盖层松散，其中粉 广东省交通科技项目：多塔长联大悬臂宽幅脊梁矮塔斜拉桥建设 (细)砂层深达30m左右，自稳性差...
施工技术 2014年10月上 54 CONSTRUCTION TECHNOLOGY 第43卷第19期 D0I:10.7672/sgjs2014190054 岩溶、土洞发育地区大型机场桩基础施工技术 汪小东，刘献伟，姜龙华，袁东辉，夏志材 (中建三局第一建设工程有限责任公司，湖北武汉430040) [摘要]以实际工程为例，概述了超长桩基在岩溶、土洞发育地区的施工难点，并针对施工难点提出了改进措施. 详细介绍了岩溶、土洞的处理方法和桩基施工技术，实践结果表明，在岩溶地区桩基采用冲孔的办法进行处理，既 满足质量要求，又可以缩短工期、降低成本. [关键词]桩基础；机场；岩溶；土洞；冲孔灌注桩；施工技术 [中图分类号]TU753.3 [文献标识码]A [文章编号]1002-8498(2014)19-0054-03 Construction Technology for Pile Foundation of Large Airport in Karst Cave Area Wang Xiaodong Liu Xianwei Jiang Longhua Yuan Donghui Xia Zhicai The First Construction Engineering Co.Lad.of China Construction Third Engineering Bureau Wuhan Hubei 430040 China) Abstract:Based on the engineering practice this paper outlined the construction difficulties of super-long pile foundation in karst area and proposed improvement measures.The treatment methods of karst and soil cave were introduced in detail as well as the pile foundation construction technology.Engineering practice shows that the bored pile for treatment in karst area can meet the quality requirement shorten the construction period and reduce the cost. Key words:piles;airport;karst;soil cave;bored piles;construction 1工程概况 有桩顶错入承台内100mm. 1.1工程总体概况 2工程地质及水文条件 国内某大型国际机场新航站区及配套设施建 场地内地层自上而下为：①耕土；②粉质黏土； 设工程总建筑面积约19万m2 为框架结构、钢结 ③黏土混角砾；④红黏土；⑤红黏土；⑥中风化石灰 构，地上3层（局部2层），地下1层，檐高最高 岩.场地未见活动性断裂构造带、地面坍塌、滑坡 点40m. 等不良地质作用，为可进行建设的一般地段，场地 1.2桩基设计概况 地质稳定.第⑥层中风化灰岩作为端桩持力层，溶 1)基础采用机械冲孔灌注桩，为端承桩.桩端 洞溶岩裂隙发育较多，为典型的喀斯特地貌.钻探 持力层为中风化岩层，桩端进入持力层的深度≥ 揭露主要存在的不良地质作用为石灰岩中岩溶较 500mm 桩长25~50m. 发育，以浅覆盖型岩溶为主，岩溶...
施工技术 2017年2月上 76 CONSTRUCTION TECHNOLOGY 第46卷第3期 D0I:10.7672/gjs2017030076 屋面工程女儿墙有关问题研究 霍瑞琴，吴晓兵 (山西建筑工程（集团）总公司，山西太原030002) [摘要]对屋面工程中的女儿墙部位防水工程设计及施工中常出现的问题进行分析，从女儿墙墙体设计、女儿墙保 温、女儿墙排水构造、女儿墙防水构造等方面提出了有针对性的改进和保障措施，从而提高女儿墙部位的防水质 量，提高屋面防水的使用寿命. [关键词]屋面；女儿墙；防水；排水；改进；深化设计 [中图分类号]TU761.1 [文献标识码]A [文章编号]1002-8498(2017)03-0076-04 Related Questions on Parapet of Roof Engineering Huo Ruiqin Wu Xiaobing Shanxi Construction Engineering Group Co.Taiyuan Shanxi 030002 China) Abstract:This paper analyzes the problems in the design and construction of the waterproof wall of the parapet in the roofing project and puts forward the improvement and protection measures from the aspects of the parapet wall design the parapet insulation the parapet drainage structure the parapet waterproof structure and so on so as to improve the quality of the parapet parts of the water improve the service life of roofing. Key words:roofs;parapet;waterproofing;drainage;improvement;detailed design 0引言 筑业同仁共同探讨. 女儿墙是指平屋顶建筑四周高出屋顶的矮墙，1女儿墙墙体设计 它除了能起到安全防护、立面装饰等作用外，还能 关于女儿墙墙体设计有关标准条文规定：① 在屋面周圈形成挡水堰，将雨水引流至排水管，形《建筑抗震鉴定标准》GB50023一20095.2.8无拉 成有组织排水，避免防水层渗漏. 接女儿墙和门脸等装饰物，当砌筑砂浆的强度等级 在历次的屋面工程渗漏情况调查中，由于屋面 不低于M2.5且厚度为240mm时，其突出屋面的高 细部构造引起的屋面渗漏约占70%，其中由女儿墙 度，对整体性不良或非刚性结构的房屋不应大于 部位设计及施工的不合理引起的渗漏也屡见不鲜.0.5m;对刚性结构房屋的封闭女儿墙不宜大于 为了使细部构造引起设计和施工人员的重视，《屋 0.9m.②《建筑抗震设计规范》GB50011-2010 面工程技术规范》GB50345一2012将细部构造设计 13.3.2第5款砌体女儿墙在人流入口和通道处应 作为屋面工程设计的重点内容单独列为一节；《屋 与主体结构错固；非出入口无锚固的女儿墙高度，6° 面工程质量验收规范》GB50207一2012将细部构造 ~8时不宜超过0.5m 9°时应有锚固.防震缝处女 列为屋面分部工...
[关键词]隧道工程；双侧壁导坑法；有限元模拟；监测；位移 [中图分类号]TU74；U455.43 【文献标识码】A {文章编号]1002-8498（2012)19-0076-03 Deformation Characteristics of Closely-spacedLarge-span Tunnel Gao Jie，LiuXuezeng (Department of Geotechnical Engineering，Tongji University，Shanghai 200092，China） Abstract;Closely-spaced tunnels with large spans have characteristics such as large excavation sections, small intervals and special structural forms. They add extra difficulty for tunnel design and construction when the left and right tunnels were excavated and supported alternatively.The excavation procedure of a closely-spaced large-span highway tunnel was simulated using finite element analyis software.The major parameter to be analyzed was the displacement of the surrounding rock mass during the excation measurement.The results provide valuable guidance to the design and construction of tunnels. Key words:tunnels; two side-surounding pilot tunnel method;finite element simulation; monitoring;displacement 小间距隧道相对于连拱隧道具有施工工艺简可以较好地模拟隧道开挖和衬砌施工的全过程。
施工技术 2015年2月下 98 CONSTRUCTION TECHNOLOGY 第44卷第4期 D01:10.7672/sjs2015040098 再生材料对旧沥青路面胶结料 的再生性能影响研究* 吴正光1，陈娟1，康爱红1，黄铭2 (1.扬州大学建筑科学与工程学院，江苏扬州225127；2.泰州市公路管理处，江苏泰州225300) [摘要]为分析不同再生材料对旧沥青路面胶结料再生性能的影响，基于实际工程抽提回收得到不同老化程度的 旧沥青路面胶结料，应用新沥青材料与两种黏度等级的再生剂调配旧沥青路面胶结料制备成再生沥青，分析再生 沥青的黏度与针人度指标的变化规律，并对不同再生方法的再生效果进行了比较.试验结果表明：新沥青材料对 旧沥青路面胶结料的再生能力有限，再生剂对旧沥青路面胶结料性能指标的改善远优于新沥青；低黏度的再生剂 能较好地恢复旧沥青路面胶结料的针入度指标，但对于老化程度较低的旧沥青路面胶结料，会使其黏度指标下降 过快，而不能保证再生沥青的高温性能；建议老化等级较低的旧沥青路面胶结料采用黏度等级较高的再生剂再生 的方法，老化等级较重的旧沥青路面胶结料采用黏度等级较低的再生剂与新沥青共同再生的方法. [关键词]沥青路面；胶结料；新沥青材料；再生剂；性能 [中图分类号]U414 [文献标识码]A[文章编号]1002-8498(2015)04-0098-04 Research on Effect of Recycled Materials on Properties of Cementing Material of Aging Asphalt Pavement Wu Zhengguang' Chen Juan' Kang Aihong' Huang Ming2 (1.College of Civil Science and Engineering Yangzhou University Yangzhou Jiangsu 225127 China; 2.Taizhou Highway Station Taizhou Jiangsu 225300 China) Abstract:To analyze effect of different materials on properties of aging asphalt different aging degree of reclaimed asphalt pavements were chosen to obtain the aging asphalt new asphalt material and two kinds of viscosity grade of regenerant was added to aging asphalt to make recycled asphalt based on the analysis of change rule of viscosity and penetration index on recycled asphalt to pare the effect of different regeneration methods.The results show that new asphalt materials can't improve recycled performance of aging asphalt well regeneration agent on the improvement of the old asphalt pe...
2012年1月下 施工技，术 第41卷第357期 CONSTRUCTION TECHNOLOGY 85 中空内模金属网水泥内隔墙技术改进及应用 周春勇 (北京城建二建设工程有限公司，北京100039) [摘要]以某工程实际为例，详细介绍了中空内模金属网水泥内隔墙的施工工艺及节点制作，并对03J112图集中内 隔墙门洞及连接节点做法进行了技术改进.采用技术改进后的中空内模金属网水泥内隔墙的工艺做法，有效解决 了墙面开裂、电气设备难固定等问题，并简化了施工工序，提高了隔声及防火性能.结果表明，该工艺的应用取得 了良好的经济和社会效益. [关键词]隔墙；安装；金属网；技术改进；施工技术 [中图分类号]TU765 [文献标识码]A[文章编号]1002-8498(2012)02-0085-04 Improvement and Application of Cement Partition Wall with Hollow Inner-formwork Metal Net Zhou Chunyong The Second Urban Construction Engineering Company of Beijing Beijing 100039 China) Abstract:Based on the actual project the construction technology and joint-making of internal cement partition wall with hollow inner-formwork metal net are introduced.The technology of connection joint and openings in cement partition wall with hollow inner-formwork metal net collective drawings 03J112 are improved.With the improved internal cement partition wall the problems of wall surface cracking and difficulty of electrical equipment fixation are solved.The construction process is simplified and sound insulation property and fireproof performance are improved.Good social and economic benefit is achieved. Key words:partition wall;installation;metal net;technical improvement;construction 中空内模金属网水泥内隔墙改变了传统隔墙片的设计高度、中间龙骨位置、边龙骨下料长度以 板安装工艺和砌体砌筑方法，简化了施工工序，使及门洞龙骨的加强做法；深化设计图纸还针对水电 墙面开裂的质量通病得到有效解决.中空内模金管线、开关插座进行标识，便于线路敷设及配管. 属网水泥内隔墙不但施工安全、质量可控、操作简2施工工艺 单、施工速度快、可连续流水作业，还能满足强度及2.1工艺流程 功能要求，同时还改善了目前其他砌块和隔板墙材 测量放线→网片组拼→龙骨安装→网片安装 料隔声差、电气设备安装固定难的问题，对局部节 管线预埋→混凝...
施工技术 2010年4月 52 CONSTRUCTION TECHNOLOGY 第39卷第4期 中外规范在模板支架安全技术方面的比较分析 谢楠1，李鸿飞2 (1.北京交通大学土木建筑工程学院，北京100044；2.北京城建二建设工程有限公司，北京100024) [摘要]近年来我国高大模板坍塌事故时有发生，国家及地方行政部门对此虽然进行了重点整治，但仍无法从根源 上杜绝.介绍了英美相关规范对模板支架在设计荷载、设计方法和施工管理等方面的规定，比较了中外规范的不 同之处，提出模板支架施工中，我国在荷载、设计以及搭设质量检查验收等方面的注意事项.指出应重视剪刀撑的 作用，充分考虑施工过程中模板支架可能承受的动力荷载，以提高模板支架的安全水准. [关键词】模板支架；中外规范；安全技术；比较分析 [中图分类号]TU731.2 [文献标识码]A 【文章编号]1002-8498(2010)04-0052-03 Comparison and Analysis on Safety Technology of Formwork Support in Chinese and Foreign Codes Xie Nan' Li Hongfei? (1.School of Civil Engineering Beijing Jiaotong University Beijing 100044 China; 2.The Second Urban Construction Engineering Company of Beijing Beijing 100024 China) Abstract:Recently although national and local administrations have taken a lot of measures collapses of formwork often happen in China.The requirements on design loads design method and construction management of formwork in British and American codes are introduced.On the basis of parison between Chinese and foreign codes some useful revelations are obtained and suggestions on loads design and detection and acceptance for the construction of formwork in China are given.Furthermore it is pointed out that bridging should be paid more attention during construction as well as the dynamie loads of formwork support to improve the safety level. Key words:formwork support;Chinese and foreign codes;safety technology;parison and analysis 1英国规范在安全技术方面的规定 附加50%的单件重量. 英国规范指《模板支架实施规范》(Code of practice1.1.2由施工操作...
[关键词】预制装配式；构件梁；万向吊头；钢筋锚固板；灌浆；牛腿 [中图分类号]TU756.42[文献标识码]A[文章编号】1002-8498（2015）16-0046-05 ApplicationofPrefabricatedConcreteComponentBeamin China Tele Cloud ComputingProject Duan Hongbo,Wang Ruixin，Chen Zhihong，Gou Baoli （The Northwest Branch Company of China Construction Eighth Engineering Division Co.，Ld.，Xi'an，Shaanxi 710075,China） Abstract:This paper was carried in the power station project of thefirst phase of China Tele Cloud ComputingprojectinShaanxiInthspaper,itfistlyinroduces theapplicationof prefabricated conre ponent beam in industry workshop.Then it discusses from the following construction technology aspectsrespectively，namely prefabricatedconcrete ponent beam scene stack，install,theconnection of primary and secondary beam nodes，the top bar positioning design，bracket top surface elevation and smoothness control and quality test.For this construction method， its construction technology is simple. It not only has less resources input, but has a lot of advantages，such as safety and green，high construction effciency and saving construction period.This construction method is able to achieve factorization and modularization of future industry workshop structure construction. Key words:precast;beams;universal hanging head;bar anchor plate; grouting;bracket PC构件（prefabricatedconcrete ponent），即层），东西长153m，南北长72.9m，高21m，主体结构 “预制装配式混凝土构件"（以下简称PC构件）是以为框架结构。
2013年1月上 施工技术 第42卷第1期 CONSTRUCTION TECHNOLOGY 7 中国建筑推进绿色建筑最新进展* 毛志兵 (中国建筑工程总公司，北京100037) [摘要]促进绿色建筑的发展，需要有绿色建筑规划、设计、施工、建材、部品等方面技术和产品的支持，需要建筑开 发商和业主的具体实施.中国建筑工程总公司（以下简称“中国建筑”）作为集规划设计、施工管理、地产开发和物 业管理一体的大型国有企业，有条件也有责任推进绿色建筑技术的发展，促进绿色建筑的实现.介绍了中国建筑 在绿色建筑规划设计技术、绿色施工技术的最新研究重点，以及在房地产开发方面对绿色建筑的推进和实施工作. [关键词]中国建筑；绿色建筑；设计；施工；绿色建材；进展 [中图分类号]TU11;TU201;TU74 [文献标识码]A [文章编号]1002-8498(2013)01-0007-05 The Latest Progress on the Promotion of Green Buildings of CSCEC Mao Zhibing China State Construction Engineering Corporation Beijing 100037 China) Abstract:Promoting the development of green buildings needs support from technology and products such as green building planning design construction building materials and building products ete.It also requires the implementation of building developers and owners.CSCEC as a large state-owned enterprise with busies covering planning design construction management real estate development and property management has both the condition and responsibility to push the development of green building technology and promote its application.This paper introduces the focus of CSCEC's latest study on green building planning design technology and green construction technology.It also introduces CSCEC's effort to promote the application of green buildings in real estate development. Key words:CSCEC;green buildings;design;construction;green material;progress 全面推广绿色建筑是可持续发展的迫切需要，于建筑全生命周期、全过程产业链，持续、全面地推 已成为建筑行业当前最重要的任务之一.促进绿进绿色建造技术研究和绿色建筑建设.以下对中 色建筑发展，需要有绿色建筑规划、设计、施工、...
施工技术 2016年4月下 76 CONSTRUCTION TECHNOLOGY 第45卷第8期 D01:10.7672/8js2016080076 中国国学中心主楼钢结构工程施工技术 罗岗1，李海兵，曹丙山2，张怡1 (1.北京城建集团有限责任公司，北京100088；2.北京市机械施工有限公司，北京100045) [摘要]中国国学中心工程主楼为偏心支撑钢框架结构，外观造型新颖独特、构件数量繁杂、施工工期较短、安装精 度要求高是本工程的重点及难点.根据工程特点，针对性地介绍了平行双榀平面桁架、菱形外框空间斜柱、弧形空 间管桁架、大跨预应力圆形屋盖等关键部位的施工方法.根据实际工况选择吊装机械、安装顺序的正确组织，为钢 结构的顺利完工提供了重要的技术依据. [关键词]钢结构；框架；柱；桁架；施工技术 [中图分类号]TU758 [文献标识码]A [文章编号]1002-8498(2016)08-0076-05 The Main Building Steel Structure Construction of Chinese Ancient Literature Center Luo Gang' Li Haibing' Cao Bingshan2 Zhang Yi' (1.Beijing Urban Construction Group Co.Ltd.Beijing 100088 China; 2.Beijing Mechanical Construction Co. Ltd.Beijing 100045 China) Abstract:The main building of Chinese Ancient Literature Center is eccentric supporting steel frame structure.It has difficulties of novel and unique appearance plex ponents short construction period and high installation accuracy requirements.According to these characteristics the construction of parallel double truss diamond frame space oblique columns curved space tube truss large-span prestressed circular roof is introduced accordingly.Meanwhile authors choose hoisting mechanics and accurate installation sequence based on actual conditions. Key words:steel structures;frame;columns;trusses;construction 1工程概况 35721m2 总建筑面积103531m2 地下2层，为劲性 1.1工程整体概况 混凝土结构（含120根劲性柱，底标高为 中国国学中心工程位于北京市奥林匹克公园 -11.400m);主楼地上8层，为全钢结构，其中每层 中心区，鸟巢北侧，东临北辰东路，与周围已建成的 之间设一夹层，檐高56.0m 圆形屋面顶部建筑高度 国家体育场、玲珑塔、国家体育馆、中国科技馆等公 65.3m.本工程钢结构用量为1.3万t 材质主要...
2010年5月 施工技术 第39卷第5期 CONSTRUCTION TECHNOLOGY 41 中兴通讯上海研发中心复杂地质条件基坑支护技术 汤国强，朱大臣2，朱守东3 (1.武汉大学土木建筑工程学院，湖北武双430072；2.武汉地质粉察基工程有限公司（泸），上海200063； 3.中兴通讯股份有限公司，上海201203) [滴要]将三轴搅拌桩加插H型钢围护结构混凝土圈梁型钢支撑钢构柱结合，形成具有挡土围护止水效果 的基坑支护体系，并成功应用于复杂地质条件中兴通讯上海研发中心超大基坑工程施工.针对工程特征，介绍了 围护挡土止水结构支撑系统的设计与施工，指出土方开挖与基础主体施工间矛盾、周边深坑土方开挖、基坑东南阴 角处圈梁开裂及对撑变形问题等施工难点解决指施.结合井点降水、工程监测技术，保证了基坑正常施工. [关键词]基坑支护；三轴搅拌桩；H型钢；施工监测 [中图分类号]TU753.1 [文献标识码]A[文章编号]1002-8498(2010)05-0041-03 Foundation Excavation Support Technology of Shanghai Research and Development Center of ZTE Corporation Tang Guoqiang' Zhu Dachen2 Zhu Shoudong' (1.Civil Engineering and Architectural College Wuhan University Wuhan Hubei 430072 China; 2.Wuhan Geological Surveying and Foundation Engineering Co.Ld.Shanghai 200063 China; 3.ZTE Corporation Shanghai 201203 China) Abstract:Shanghai Research and Development Center of ZTE Corporation locates in plex geological area and the foundation excavation belongs to super large and super deep foundation.According to actual conditions support structure that pounding of triaxial mixing piles inserted with H section steel conerete ring beam section steel and steel column is adopted for retaining and water proofing. Based on project characteristics authors introduce design and construction of the support structure. Furthermore solving measures are pointed out for conflict between soil excavation and foundation construction excavation of surrounding deep foundation excavation inside angle cracks of ring beam ...
2014年12月下 施工技术 第43卷第24期 CONSTRUCTION TECHNOLOGY 97 D0I:10.7672/8gjs2014240097 一种拆装式爬模钢平台体系的设计及应用 吕利霞 (北京市建筑工程研究院有限责任公司，北京100039) [摘要]爬模钢平台应用在高层、超高层建筑核心筒结构施工中.针对常见超高层建筑核心筒的结构及施工特点， 介绍了一种可进行局部拆装的爬模钢平台体系，包括钢平台拆装部分结构的设计、工程计算和应用；该体系可以满 足不同大小的核心筒筒体内结构施工需求. [关键词]高层建筑；爬模；钢平台；施工技术 [中图分类号]TU755.2 [文献标识码]A[文章编号]1002-8498(2014)24-0097-04 Design and Application of a Detachable Climbing Steel Platform System Lu Lixia (Beijing Building Construction Research Institute Co.Ld.Beijing 100039 China) Abstract:Climbing steel platform is applied in core tube structure construction of high-rise and super high-rise building.According to construction features of high-rise and super high-rise building a partial detachable climbing steel platform system is introduced including its design calculation and application. The system can meet the needs of different sizes of core tube construction demand. Key words:tall buildings climbing formwork steel platform;construction 高层、超高层建筑核心筒施工过程受结构变压爬升模板工程技术规程》JGJ195一20101、《建筑 化、层高影响很大，尤其是目前高层、超高层建筑.结构荷载规范》GB50009一2012！2、《钢结构设计规 为了体现建筑物的标志性意义，建筑设计风格往往 范》GB50017一2003(31、《混凝土结构设计规范》 各不相同，很多为异形结构，核心筒大小差别较大， GB50010一20104等有关规范教材. 并且建筑层高越来越高，对施工技术与设备提出了 可拆装式爬模钢平台结构设计基于爬模技术， 较高要求. 整体结构为组合式，由爬模主架体、连接横梁、平台 1可拆装式爬模钢平台简介 支架、物料平台4部分组成，如图1所示.根据建筑 可拆装式爬模钢平台是北京市建筑工程研究 结构筒体截面变化，爬模钢平台可进行局部拆改， 院有限责任公司承接北京市科委科技新星课题. 即对钢平台的中心连接单元体系（包括连接横梁、 该课题研发了一种新型的高层超高层建筑施工用 平台支架、物料平台)进行分体拆装，使设备结构发 爬模设备，其主要技术特点在于设备应用在高层、 生改变，从而满足不同跨距、不同结构形状的建筑 超高层建筑核心筒筒体内结构施工中，具有独立的 筒体施工要求. 爬升动力系统，集模板爬升、绑筋施工作业平台、模 ...
