施工技术 2012年6月上 72 CONSTRUCTION TECHNOLOGY 第41卷第366期 扣件式钢管斜撑架在 大跨度悬挑屋架中的设计与施工 石颖，于新华 (北京建工集团有限责任公司总承包部，北京100055) 【摘要]通过对C4工业厂房项目工程的实例分析，详尽地介绍了利用普通48mm×3.5mm钢管及普通扣件，搭设 该工程大跨度外挑屋架的操作防护架、模板斜撑架技术.针对外挑屋架的结构特点，分别对其施工安排、技术要 求，施工要点、经济分析以及受力计算等方面内容进行了雨述.实践证明，该斜撑架的设计较常规采用的型钢悬挑 脚手架，不仅工效得以提高，而且很大程度地降低了脚手架措施费用. [关键词]防护架；模板；斜撑架；屋架；设计：施工技术 [中图分类号]TU755.2 [文献标识码]A [文章编号]1002-8498(2012)11-0072-06 Design and Construction of Inclined Strut with Fastener-style Steel Pipe for Large-span Cantilever Roof Truss Shi Ying Yu Xinhua (General Contract Department of Beijing Construction Engineering Group Co. Ld.Beijing 100055 China) Abstract:Based on example analysis of industrial building C4 engineering the authors introduce operation technique of protective frame and formwork inclined strut during erecting large-span cantilever roof truss by 648mm x 3.5mm steel pipe and mon fastener.Combined with structural characteristics of cantilever roof truss the authors describe the following contents:construction arragnement technical requiremente construction points economic analysis stress calculation and so on.The practice shows that using inclined strut can improve effect and reduce cost pared with steel suspended scaffold. Key words:protective frame:formwork;inclined struts:roof trusses:design;construction 1工程概况 4.65m(见图1). C4工业厂房项目工程建筑呈“L”形坐落在酒2挑檐斜撑架选择 仙桥电子城产业园地块上，工程建筑面积 该工程屋架外挑尺寸较大，悬挑长边方向最大 41348m2 檐高33.4m 地上7层，地下1层.建筑2.85m 转角处外挑达3.65m.这给外挑屋架的结 设计上为了体现顶部透空感以及外观的造型层次，构施工带来很大困难，施工人员的操作平台、200mm 在屋面上设计了“L...
施工技术 2013年6月上 24 CONSTRUCTION TECHNOLOGY 第42卷第11期 D0I:10.7672/gjs2013110024 扣件式钢管支架在湿陷性黄土基坑群开挖支护中的应用* 惠渊峰1，梅源2，胡长明2 (1.陕西省建筑职工大学建筑工程系，陕西西安710068；2.西安建筑科技大学土木工程学院，陕西西安710055) [摘要]以湿陷性黄土地区某集中供热项目管网工程施工为背景，介绍了扣件式钢管支架作为检查井基坑群支护 体系的方案设计、安全性验算及施工要求.实践表明，由于黄土基坑稳定性好，因而可以采用扣件式钢管支架作为 黄土地区深度<10m的基坑群开挖支护体系.扣件式钢管支护体系具有搭设灵活、施工速度快、能够较好适应基 坑群尺寸多变的特点，且能够节约成本，保证施工安全. [关键词]脚手架；扣件式钢管支架；湿陷性黄土；基坑；支护；施工技术 [中图分类号]TU731.2 [文献标识码]A [文章编号]1002-8498(2013)11-0024-03 Application of Fastener-style Steel Pipe Scaffold as Support for Foundation Excavation in Collapsible Loess Areas Hui Yuanfeng' Mei Yuan2 Hu Changming2 (1.Department of Civil Engineering Architecture Staff University of Shaanxi Province Xi'an Shaanxi 710068 China; 2.College of Civil Engineering Xi'an University of Architecture and Technology Xi'an Shaanxi 710055 China) Abstract:Based on a central heating pipe network project this paper introduces the scheme design safety assessment and construction requirement for the application of fastener-style steel pipe scaffold as support for inspection pits in collapsible loess areas.Practice shows that fastener-style steel pipe scaffolds can be used as supporting framework for excavations under 10m in loess areas because the loess pits have good stability.Fastener-style steel pipe scaffold is featured by flexibility and fast construction which can adapt to frequent change of the pit dimensions reduce the cost and ensure construction safety. Key words:scaffolds;fastener-style steel pipe scaffolds;coll...
【关键词】支撑架；扣件；钢管；承载力；分析；扭紧力矩 [中图分类号]TU731.2【文献标识码】A[文章编号】1002-8498(2015)02-0096-06 BearingCapacityInfluenceAnalysis ofFastenerSteel TubeSupports Chen Zhihua', Wang Gang'， Liu Hongbo', Liu Qun² (1.Sehoolof Civil Engineering,Tianjin Unitesity，Tianjin300072,China; 2.China Academy of Building Research,Beijing 100013，China) Abstract;Fastener steel tube formwork support system has been widely used in the engineering construction in China because of its flexible and simple structure，convenient maintenance，ponent versatility.Based on the analysis of large number of fastener steel tube formwork support system full-scale and partial test, the impact on the overall bearing capacity by different erection parameters was researched，such asbracing build-up way，stepdistance,height-width ratio,thelengthof cantileverrod and the path of load transfer. Also the local impact on the bearing capacity by fastener tightening torque and the build-up way was researched.Finally, some problems that still existed were put forward, which aimed at determining the direction of future research and to provide a reference for practical engineering applications. Key words;supports; fastener; steel tube; bearing capacity; analysis; tightening torque 扣件式钢管支撑体系凭借其构造简单、灵活，部传来的荷载；竖向剪刀撑是主要的侧向支撑，能 维护简便、部件的通用性强等优点在工程建设中得有效地增加结构的抗侧刚度，抵抗水平荷载作用。
[关键词】桩基础；地下工程；拔桩；PHC管桩；施工技术 [中图分类号]TU753[文献标识码】A[文章编号]1002-8498(2015)16-0111-03 KeyTechnologyResearch ofPilePullinginthe DinosaurParkCentralPlaza Teng Kun,Xu Handong,Li Li,Zhao Qian,Zhou Junjie （Jiangsu Dingda High-tech Construction Co.，Lud.，Changzhou,Jiangsu 210003,China) Abstract:The pile foundation of the Dinosaur Park Center Plaza is PHC pile. Because the metro is planed to cut through the region,587 piles should be removed that influence the subway construction.For the site actual situation，after summarizing the previous experience effective,the authors research and development a pulling pile system independently and a rapid construction method.The results showed that the pulling pile system plete the task effectively，and reduce the construction period. Key words:piles；underground;pile pulling; PHC pipe pile;construction 随着国民经济的高速发展，科学技术应用突飞迪诺水镇 猛进，建筑行业新材料、新技术发展迅猛，近十几年潭 来，国内、外建筑桩基工程中，预应力技术和高强混龙恐龙谷温泉
主层分界线不食地下车库-2F 凝土工艺结合产物-预应力混凝土预制桩，用量 巨大。
施工技术 2014年8月下 56 CONSTRUCTION TECHNOLOGY 第43卷第16期 D0I:10.7672/5js2014160056 快速静态GPS基坑水平位移安全性监测技术 胡龙伟1，张英杰，张洪源2，田砾3 (1.青岛理工大学管理学院，山东青岛266033；2.青岛理工大学特种工程公司，山东青岛266033； 3.青岛理工大学土木工程学院，山东青岛266033) [摘要]现有的基坑水平位移监测主要采用全站仪或经纬仪利用极坐标法或小角度法进行，但工作基准点常会受 到基坑开挖的影响，进而影响基坑检测的精度和时效性.快速静态GP基坑水平位移监测技术，只需建立2个基 准点作为基准站，工作基点和部分不能通视的监测点利用GPS进行测量，实施动态监测.青岛某基坑工程水平位 移的监测，采用双基准菱状GP网型，基站点和监测点采用强制对中螺栓和特质仪器支架来快速安置，基站长时段 观测与监测点快速静态观测数据采集相结合.结果表明.该方法具有高精度、高效益、全天候、不需通视等优点，可 提高工作效率并获得稳定和可靠监测数据. [关键词]基坑：位移；监测；快速静态GPS法 [中图分类号]TU753.1 [文献标识码]A [文章编号]1002-8498(2014)16-0056-03 Security Monitoring Technology of Foundation Excavation Horizontal Displacement by Rapid Static GPS Method Hu Longwei' Zhang Yingjie' Zhang Hongyuan2 Tian Li (1.School of Management Qingdao Technological Unirersity Qingdao Shandong 266033 China; 2.Special Engineering Company of Qingdao Technological University Qingdao Shandong 266033 China; 3.School of Civil Engineering Qingdao Technological University Qingdao Shandong 266033 China) Abstract:The total station or theodolite is mainly adopted in foundation excavation horizontal displacement monitoring with polar coordinate method or small angle method.However the basis points are often affected by excavation work which influence the detection accuracy and timeliness of the security monitoring of foundation excavation.All that needed are only two base stations in rapid static GPS method adopted in foundation excavation horizontal displacement security monitoring.The work basis points and some...
施工技术 2012年4月上 28 CONSTRUCTION TECHNOLOGY 第41卷第362期 快速夯实机在某工程地基处理中的应用 袁求武，王锐劲，李晓辉，邱钰萍 (中交四航局第一工程有限公司，广东广州510500) [摘要]苏丹港新集装箱码头后方堆场项目采用强夯法进行地基处理，在施工中通过运用快速夯实机与传统强夯 技术的验证试验确定其施工参数.介绍了快速夯实机的工作原理、施工工艺质量控制措施及注意事项，总结了快 速夯实机的技术特点与经济性. [关键词]港口工程；地基处理；强夯；快速夯实机；施工参数 [中图分类号]TU753.1 [文献标识码]A [文章编号]1002-8498(2012)07-0028-03 Application of RIC Used in Foundation Treatment of Some Project Yuan Qiuwu Wang Ruijin Li Xiaohui Qiu Yuping The First Engineering Company of CCCC Fourth Harbor Engineering Co.Ltd.Guangzhou Guangdong 510500 China) Abstract:Dynamic paction method is adopted in foundation treatment of some project in Sudan Port. Construction parameters are determined according to the test of RIC and traditional dynamic paction method.Authors introduce principle construction technology quality control measures and attention points of RIC and summary its technique characteristics and economical effect. Key words:port structures;foundation treatment;dynamic paction;RIC;construction parameters 使用强夯技术改善地基从20世纪60年代起在1000kNm强夯面积48769m2 500kNm普夯面积 世界各地得到成功应用，1976年开始引入国内，得64817m2. 到了广泛应用.强夯可以处理大多数种类的天然地2工作原理 基和人工填土地基，通过减小土的孔隙以提高地基的 快速夯实机工作是通过装载机或者挖掘机提 承载能力和限制沉降，从而提高地基的整体工程性 供液压动力提升冲击锤，将夯锤提升至一定高度后 质.传统强夯工艺主要通过垂直方向的冲击达到压 释放，冲击锤芯质量3~9t 落高1.2m 冲击频率约 实目的，其夯击能量一般在600~5000kNm. 40次/min 夯锤在重力和液压蓄能器的共同作用下 英国建筑研究所BRE(Bitish Research 加速下落，落下后击打带缓冲垫的、静压在地面上 Establishment)的研究表明液压快速夯实机(RIC)所 的夯板，并通过夯板夯击地面，夯击能量通过锤套 采用的高速动态夯实技术填补了传统的表层压实 锤脚直接传递给地基，夯实影响深度一般可达到4 技术如碾压、振动压实和传统强夯技术之间的空 -5m 最大可达地面下10m. 白，其效...
施工技术 2011年4月上 24 CONSTRUCTION TECHNOLOCY 第40卷第338期 微型钢管桩加H型钢支护在某深基坑工程中的应用 张艳芬，莫海军2，叶晓红2 (1 广东科学技术职业学院建工学院，广东珠海519090；2.澳门龙昌建筑工程有限公司，澳门) [摘要]澳门交通局大楼上程设有3层地下车库，与既有娃筑地下车库及市政主干道最小距离仅为1.5m.施工中 采用以219mm微型钢管桃为竖向围护，以H型钢设置水平支撑兼作施工栈桥，开挖面挂网喷浆护壁的支护方法. 对该支护系统进行了受力及变形分析，介绍了施工工艺及监测方法.工程结果表明，该方案较好地解决了开挖边 坡的稳定性问题，保证了既有建筑的安全和正常使用. 【关键词]微型钢管桩；H型钢支推；深基坑：施工监测 [中图分类号]TU753.3 [文献标识码]A [文章编号]1002-8498(2011)07-0024-03 Application of Mini Steel Tube Piles and H-beam Support in Some Deep Foundation Excavation Zhang Yanfen' Mo Haijun2 Ye Xiaohong? (1.College of Civil Engineering and Architecture Guangdong Institute of Science and Technology. Zhuhai Guangdong 519090 China:2.Long Cheong Construction Co. Lid.Macao China) Abstract:Macao Department of Transportation Building has three stories of basement which is close to the existing basement and municipal trunk road and the minimum distance is 1.5 meters.Mini steel pipe piles and H-beam support system are adopted in excavation.Stress and deformation analysis are carried out and construction technology and monitoring method are described.Engineering practice shows that the excavation slope stability is well guaranteed and the existing buildings are safe and in normal use. Key words:mini steel tube pile;H-beam support;deep foundation excavation;construction monitoring 澳门老城区是世界上人口最稠密的地区之一，5.51万2.采用钢筋混凝土筏板基础，框架剪力 当地建筑多紧贴用地红线设置地下车库，在施工场墙结构.基坑东西长87m 南北长29m 地面标高 地狭小、对边坡稳定要求极其严格的条件下，基坑支11.86~16.65m 东高西低，最大高差约5m.设 护设计及施工成为工程建设的重点.传统的钢筋混计开挖底标高2.55m 最大开挖深度约14.10m....
2016年4月下 施工技术 第45卷第8期 CONSTRUCTION TECHNOLOGY 103 D0I:10.7672/8js2016080103 微凸支点智能控制顶升模架在华润总部大厦 工程中的优化与应用 陈凯，钟伟，胡建宏，许超，桂芳，陈汉彬 (中建三局集团有限公司，广东深圳518000) [摘要]华润总部大厦采用微凸支点智能控制顶升模架（简称凸点顶模）进行核心筒施工.该技术具有以下亮点： 钢平台系统采用双层桁架结构、支撑架过斜墙段设计、采用轻质高强铝合金挂架和模板等.重点介绍了顶升前准 备、试顶升上支撑架、上支撑架顶升就位、试提升下支撑架、下支撑提升就位等施工工艺. [关键词]高层建筑：核心筒；凸点顶模；同步顶升；施工技术 [中图分类号]TU755.2 [文献标识码]A[文章编号]1002-8498(2016)08-0103-03 Optimization and Application of Bump Jacking Formwork in Huarun Headquarters Building Chen Kai Zhong Wei Hu Jianhong Xu Chao Gui Fang Chen Hanbin China Construction Third Engineering Bureau Co.Lid.Shenzhen Guangdong 518000 China) Abstract:Huarun Headquarters Building applies bump jacking formwork for core tube construction.This technology has characteristics that steel platform applies double-layer truss structure support frame design crossing oblique wall structure it applies light and high strength aluminum alloy hanging frame and formwork and so on.The construction technologies of preparation before lifting pre-lifting upper supports lifting in place of upper supports pre-lifting lower supports lifting in place of lower supports are introduced in detail. Key words:tall buildings;core tube;bump jacking formwork synchronous lifting;construction 0引言 效果及整体结构如图1所示. 近年来，随着超高层建筑的飞速发展，诞生了 一种新的模架体系——顶模，该技术有别于爬模工 艺，在工期保证方面，更具优势，彻底改变了核心筒 施工滞后于外框架的局面，逐渐成为超高层建筑主 体结构施工的潮流和首选.顶模形似一个巨型钢 罩，罩在塔楼核心筒上，又按其支点形式，分为常规 低位顶模和凸点顶模. 1工程概况 华润总部大厦位于深圳后海湾，总建筑面积 19.2万m2 地上66层，地下4层（含1个夹层），采 用密柱钢框架核心筒结构体系，塔楼标准层平面为 一个规则的圆形（核心筒为方形），在立面结构上先...
[关键词］隧道工程；地铁；强透水砂卵石地层；盾构；掌子面；塌方 [中图分类号]U455 【文献标识码】A [文章编号]1002-8498(2017)08-0064-04 StudyonTreatmentMeasuresforFaceCollapseofSlurry Shield in Strong Permeable Sandy Cobble Stratum YAO Zhigang'，GUO Jianning'，FANG Yong'，QUAN Xueyong² (1.Key Laboratory of Transportation Tunnel Engineering，Ministry of Education,Southwest Jiaotong University， Chengdu,Sichuan 610031,China; 2.China Railway 16th Group Co.，Lad.,Bejing 100018,China) Abstract;The strong permeable sandy cobble stratum has the characteristics of strong permeability and poor bonding. When the shield tunnel excavates in strong permeable sandy cobble stratum,the tunnel face collapses easily, efficiency and safety of construction may be affected.When the tunnel face collapse occures， taking correct measures can reduce the construction risk effectively and prevent further collapsing. Based on the project of Lanzhou metro line No.1, tunnel collapse treatment measures and preventive measures of excavation in strong permeable sandy cobble stratum are introduced. The facts prove that these measures have played a good effect. Key words;metros; subways; strong permeable sandy cobble stratum;shields;tunnel face; collapse 0引言 园段因为长期人为采砂活动取走了小粒径砂体，导 目前随着城市的快速发展，越来越多的城市开致大粒径砂卵石聚集，并且形成了较深的采砂坑， 始采用盾构法修建地铁，随之出现了一些在砂卵石改变了原有的地层分布，形成了特殊的软弱地层， 地层中施工的案例。
施工技术 2013年1月下 100 CONSTRUCTION TECHNOLOGY 第42卷第2期 强夯法施工夯沉量自动监测系统研究 赵民，焦力2，郝胜利，刘来勇1 (1.青岛市察测绘研究院，山东青岛266033； 2.青岛市房地产信息与交易资金监管中心，山东青岛266071) [摘要]夯沉量监测是规范要求而难于实现的关键工序.设计制作了自动监测夯沉量装置，并开发强夯数据库，解 决了强夯作业中的难题.重点介绍了夯沉量自动监测系统的基本原理、基本构成、实验室标定以及数据采集与处 理.同时指出，该系统缺乏辅助的验证措施，需要加强过程识别，完善系统的自动管控功能. [关键词]地基；强夯法；夯沉量；监测；数据采集 [中图分类号]TU472.31 [文献标识码]A [文章编号]1002-8498(2013)02-0100-03 Research on the Automatic Settlement Monitoring System for Dynamic Compaction Method Zhao Min' Jiao Li Hao Shengli' Liu Laiyong' (1.Qingdao Institute of Surveying and Mapping Survey Qingdao Shandong 266033 China; 2.Qingdao City Real Estate Information and Transaction Fund Supervision Center Qingdao Shandong 266071 China) Abstract:Compaction settlement monitoring is a key process that is required by code but difficult to implement.An automatic monitoring device was designed by the authors to monitor the dynamic paction settlement.A database for dynamic paction was also developed to solve this problem. This paper introduced in detail the working principle of the automatic monitoring device its position its laboratory calibration and data collection and treatment.It was also pointed out that due to the lack of auxiliary verification the process identification function and the automatic controlling function of the system should be improved. Key words:foundations;dynamic paction;paction settlement;monitoring;data collection 1SAM系统基本原理 单击夯沉量：△S =(H1-H)△， SAM (settlement quantity automatic monitoring 累计夯沉量：S...
施工技术 2012年1月上 56 CONSTRUCTION TECHNOLOGY 第41卷第356期 强夯法在黄土地区某高填方工程中的应用 杨印旺 (山西省机械施工公司，山西太原030009) [摘要]在湿陷性黄土地区的大型土石方工程中，采用强夯法处理高填方填筑体，与传统的分层碾压法相比有较大 的优越性及较好的经济效益.结合工程实例，介绍了高填方强夯施工工艺、排水设计和质量控制标准，提出了高填 方强夯地基需要解决的问题及处理措施，有效地预防了高填方工程最易发生的工后沉降和不均匀沉降问题. [关键词]地基处理；湿陷性黄土；强夯；沉降；施工技术 [中图分类号]TU472.3 [文献标识码]A[文章编号]1002-8498(2012)01-0056-03 Application of Dynamic Compaction in High Fill Project in Loess Area Yang Yinwang (Shanxi Machinery Construction Company Taiyuan Shanxi 030009 China) Abstract:In large earth and rock engineering in collapsible loess area dynamic paction is adopted in high fill project and it is superior economic pared with normal method.Based on engineering practice the author introduces construction technology drainage design and quality control standard puts forward some problems and treatment measures which successfully prevent settlement after construction and uneven settlement. Key words:foundation treatment;collapsible loess;dynamic paction;settlement;construction 1工程概况 粉土为主，下部多以粉质黏土为主，分为2个亚层， 某电厂场地平整工程，位于山西省朔州市平鲁其中③，层为粉土，③2层为粉质黏土.④更新统 区东部，属山区黄土丘陵地貌、冲沟发育，场区内沟(Q2)黄土，顶部多分布有20~30cm厚姜石密集层， 壑纵横、冲沟两侧悬崖陡峭.工作内容包括厂区土且土中含姜石.⑤二叠系下石盒子组(PX)砂岩、 石方开挖、回填、强夯夯实等.场地最大填方高度泥岩（泥质页岩、板岩为主），岩性以砂岩和泥岩、泥 为81.4m 主要工程量为土石方挖填，约1000万m3 质页岩、板岩为主，风化程度变化较大. 强夯处理地基面积114万m2 其中原地面强夯面积 2.3地下水条件 约40万m2 填筑体强夯处理面积约74万m2. 根据钻探揭露，施工中可不考虑地下水的影响. 2厂区岩土工程条件 3高填方强夯施工技术 2.1场址区地形地貌 3.1采用强夯法处理高填方工程的优势 厂址在地貌单元上属低山黄土丘陵地貌，深冲 高填方施工工艺传统上采用分层摊铺、分层碾 沟极为发育，受黄土所具有的垂直节理特性的影 压的施工方法.该方法在实际应用中存在以下不 响，形成高耸直立的黄土冲沟陡壁，地...
施工技术 2016年6月上 50 CONSTRUCTION TECHNOLOGY 第45卷第11期 D0I:10.7672/8js2016110050 强夯法在皖江软土路基处理中的应用* 袁海平1 2，韩治勇1，石贤增3，浦玉炳3，朱大勇1 (1.合肥工业大学土木与水利工程学院，安徽合肥230009；2.中国矿业大学煤炭资源与安全开采国家 重点实验室，江苏徐州221116；3.合肥市市政设计院有限公司，安徽合肥230041) [摘要]软土路基因其土层分布复杂，物理力学性质差异较大，加固路基土体成为市政道路处理的迫切需要.依托 皖江城市带市政道路处理工程，分析了各遍强务下的加速度效应及夯坑沉降规律，并用荷载试验评价了强夯路基 的处理效果.研究结果表明，峰值加速度受夯点距离的影响，在近距离处峰值加速度较大，且衰减较快；随着距离 的增大，其值逐渐减小，且衰减量较小，地表加固距离大约为30m 竖直方向加固深度为6m左右；夯击次数对夯沉 量有重要影响，超过一定击数后，土体得不到加固；荷载试验得到了路基承载力特征值>120kPa 超过了其设计承 载力特征值. [关键词]公路工程；路基；强夯；软土；加速度；沉降；承载力 [中图分类号]U416.1 [文献标识码]A [文章编号]1002-8498(2016)11-0050-05 Application of Dynamic Compaction Method in Soft Soil Subgrade Treatment in Wanjiang Region Yuan Haiping'.2 Han Zhiyong' Shi Xianzeng Pu Yubing' Zhu Dayong' (1.School of Civil Engineering Hefei University of Technology Hefei Anhui 230009 China; 2.The State Key Laboratory of Coal Resources and Mine Safety China Unirersity of Mining and Technology Xuzhou Jiangsu 221116 China;3.Hefei Municipal Design Institute Co.Ld.Hefei Anhui 230041 China) Abstract:The distribution of soil in soft soil subgrade is plex.And physical and mechanical properties are of great difference.Therefore reinforeement of subgrade soil bees the urgent need of municipal road treatment.Relying on municipal road engineering in Wanjiang urban area the effect of acceleration and law of tamping pit settlements is analyzed each time under dynamic paction.The treatment effect of dynamic paction was evaluated based on the load test.Research results ...
施工技术 2011年1月 63 CONSTRUCTION TECHNOLOGY 第40卷第2期 强夯法在湿陷性黄土地基中的应用 夏世龙，李利侠，陈惠芳2，杨春明3，陶景涛3，洪敏4 (1.中铁建工集团，北京100070：2.中矿业大学力学与建筑工程学，江徐州221196： 3.中图新保优建设总公司四公司，北京100096：4，北京城建地铁地基市工程有限公司，北京102209) [盈]强务法是在童实法基础上发展超来的，具有工期短、费用低、旋果墨薯等优点.由子地质森，在施工 前必通边场试，确定其用性和处理果.通过黄河尼那庄岸到模工程实例，分析了务法和关试的结 果，确定和技术参数，实践证明得秀法是处理湿陷性美土地基较经清合理的方法. [关键词]强夯法：湿陶陷性黄土：夯点：承载力：击散 [中图分类TU753.1 [献标识码]A [交章编号]1002-8498(2011)02-0063-03 Application of Dynamic Compaction Method in Collapsible Loess Foundation Xia Shilong' Li Lixia' Chen Huifang Yang Chunming' Tao Jingtao Hong Min* (1.China Raileay Construction Engineering Group Beijing 100070 China: 2.School of Mechanics Civil Engineering China Unirersity of Mining and Technology Xuzhou Jiangsu 221196 China: 3.4th Company of China Xinxing Baoxin Construction Corporation Beijing 100096 China: 4.Beijing Urban Construction Subcay Foundation Municipal Engineering Co.Ltd.Beijing 102209 China) Abstract:The dynamic paction is based on hammer paction method foundation which has the advangtages of shorter construction period low cost significantly and effect etc.Because the geological is plex in-site test should be done before construction to determine the applicability and treatment effect.Based on the left bank assistant dam of Yellow River project in Nina examples the dynamic paetion method relevant test results are analyzed to determine the related technical parameters.It proves that dynamic paction is reasonable and an economie method to deal with collapsible...
[关键词]地基；强夯；软弱夹层；吹填砂；承载力 [中图分类号】TU472 【文献标识码]A [文章编号]1002-8498（2016)01-0056-03 IntercalationFoundationTreatmentinBruneiDarussalam WangZongwen (Chemical Industry Geotechnical Engineering Co.，Ltd.，Nanjing，Jiangsu 210044,China) Abstract:Properties of weak intercalation has significantly influences on foundation type design. Widespread weak intercalation foundation could be treated with dynamic paction method，this paper analyzed engineering design parameters and construction process control，inspection results of construction effects，prehensively assessed the suitability of dynamic paction method in Brunei Darussalam and provided reference for similar projects to be carried out in Brunei. Key words:foundations; dynamic paction;weak intercalation;hydraulic fill sand;bearing capacity 1工程概况 强夯法在国内处理软弱地基中的经验很 文莱达摩拉岛位于文莱与马来西亚之间。
2016年7月上 施工技术 第45卷第13期 CONSTRUCTION TECHNOLOGY 75 D0I:10.7672/js2016130075 强夯振动监测及安全距离预估 张露露，方勇2 (1.西安建筑科技大学土木工程学院，陕西西安710055；2.陕西省机械施工公司，陕西西安710000) [摘要]在某工程强夯试验阶段进行了地面振动监测，分析地表振速随夯击次数、夯点距离的变化规律，并参照国 家有关标准进行试奔区安全评价.同时，采用非线性回归分析，拟合地表振速与安全距离的负指数函数公式，预估 出该工程强夯施工的安全距离，为安全施工创造了条件. [关键词]强夯：振动；监测；非线性回归分析；安全距离 [中图分类号]TU472.3 [文献标识码]A [文章编号]1002-8498(2016)13-0075-03 Vibration Monitoring and Safety Distance Forecast of Dynamic Consolidation Construction Zhang Lulu' Fang Yong (1.School of Civil Engineering Xi'an University of Architecture and Technology Xi'an Shaanxi 710055 China; 2.Mechanical Engineering Company in Shaanxi Xi'an Shaanxi 710000 China) Abstract:By the field monitoring the regulation of surface vibration varies with tamping number and tamping points distance is analyzed during the test of dynamic paction construction for a project.And the safety of trial ramming area is evaluated with reference to the relevant national standards.At the same time the negative exponential function of the surface vibration speed and safe distance is fitted by nonlinear regression analysis.The safe distance of dynamic paction construction for the project is estimated which creating the conditions for the safe construction. Key words:dynamic paction;vibration;monitoring;nonlinear regression analysis;safe distance 0引言 到场内的滑坡体、危岩体、崩塌、抗震不利地段、地 强夯施工过程中，夯锤重力势能转化为振动能形形状与土层变化等不利因素，试验夯点选于西 量，并以振动波的形式向外传播，引起夯击点及邻 区IB试夯区原地表.强夯采用800OkNm能级，锤 近地表振动，该振动达到一定限值时会发展成为振重40t 落距30m 锤高1.2m. 害，从而影响一定范围的施...
2015年3月上 施工技术 第44卷第5期 CONSTRUCTION TECHNOLOGY 111 D0I:10.7672/sgj82015050111 强夯振动效应研究* 韩云山，段伟，安明2，杨印旺2，耿少波，秦伟华，苏航州3 (1 中北大学土木工程系，山西太原030051；2.山西机械化建设集团公司，山西太原030009； 3.长安大学公路学院，陕西西安710064) [摘要]以真实工程场地为研究对象，通过现场强穷振动监测，对比了有无隔振沟强夯振动对周围建筑物的影响， 得出建筑上部结构对夯击振动存在2倍以上放大效应结果.研究了自由场地地面振动速度随距离的衰减规律，分 析了强夯能级、测点与夯点的距离等因素对地面振动波传播规律的影响；通过频谱分析，得出衰减指数可用频率的 3次多项式拟合规律，计算出介质作用函数和强夯激励函数；并建立岩土体的物理力学性质和动力学特性关系. [关键词]地基；强夯；隔振沟；振动效应；衰减规律 [中图分类号]TU472 [文献标识码]A [文章编号]1002-8498(2015)05-0111-06 Study on the Vibration Effect of Dynamic Compaction Han Yunshan' Duan Wei' An Ming? Yang Yinwang2 Geng Shaobo' Qin Weihua' Su Hangzhou' (1.Department of Civil Engineering North University of China Taiyuan Shanxi 030051 China; 2.Shanxi Mechanisation Construction Group Company Taiyuan Shanxi 030009 China; 3.School of Highway Chang'an University Xi'an Shaanxi 710064 China) Abstract:Based on real engineering site through the monitoring of on-site dynamic paction vibration this paper shows that the upper structure of the building has 2 times magnification effects on tamping vibration by paring the presence with the absence of isolation trench dynamic paction vibration affecting surrounding buildings.The law of the free field ground vibration velocity decaying with distance is studied.Moreover this paper analyzes the influence of dynamic paction level the distance between the test point and tamping point on ground vibration wave propagation.Through the spectrum analysis this paper concludes that the cubic pol...
[关键词]地下工程；地基；强夯；监测 [中图分类号]TU472.3[文献标识码】A[文章编号]1002-8498（2013)22-0112-03 ApplicationofVibrationMonitoringofDynamic Compaction onSomeProject Bi Weiguo,Li Wentao,Wang Chao,Ma Hongtao (ShandongProvincialKeys Laboratory of Civil EngineeringDisaster Prevention and Mitigation (Shandong University of Science and Technology），Qingdao,Shandong 266510,China) Abstract;Based on the Qiezixipier foundation construction project inChongqing，a TC-4850vibration tester for monitoring of dynamic paction vibration signalis used in the process of using dynamic paction for ground treatment， in order to determine the reasonable paction energy and building safety distance without damping ditch.The appearing situation and coresponding treatments are predicted in time，the safety of surrounding buildings and the smooth construction are ensured. Key words:underground;foundations;dynamic paction;monitoring 1工程概况沿夯区边界有一条深达基岩的管网沟槽，可起到减 该工程场地地势低洼，填土厚度较大，陆域基振沟槽的作用。
施工技术 2010年5月 56 CONSTRUCTION TECHNOLOGY 第39卷第5期 强夯振动影响安全施工距离探讨 安明 (山西省机械施工公司，山西太原030009) 【摘要]目前国内并无专门的强夯施工振动影响安全标准，工程中一般借鉴相关规范.指出了强夯振动影响的一 般规律，比较了相关标准中强夯振动影响的规定.强夯振动安全施工距离确定方法有实测法和理论分析法，分别 介绍了两种方法的强夯振动影响安全施工距离，并进行对比，证明理论分析更偏于安全. [关键词]地基处理；强夯；安全施工距离；实测；理论分析 [中图分类号]TU753.1 [文献标识码]A[文章编号]1002-8498(2010)01-0056-02 Discussion on Safe Construction Distance Influenced by Vibration of Dynamic Consolidation An Ming (Shanxi Mechanical Construction Corporation Taiyuan Shansi 030009 China) Abstract:At present there are no special standard for safe construction distance influenced by vibration of dynamic consolidation.Thus engineers monly decide the safe construction distance according to correlation standards.General influence raw of dynamic consolidation construction is pointed out and correlation regulations in standards are pared.Moreover the safe construction distance can be decided from monitoring and theoretical analysis and the results of the two methods are introduced and pared which prove that theoretical analysis result is safer than the other one. Key words:foundation treatment;dynamic consolidation;safe construction distance;monitoring; theoretical analysis 强夯施工振动影响安全施工距离的确定历来是强2强夯振动影响安全标准确定 夯施工中的一个难题.如果不进行现场测试，很难给 目前，国内并无专门的强夯施工振动影响安全标 出确切的结论.但在地基处理方案规划阶段，由于条准.工程实践中均采用《爆破安全规程》GB6722-2003 件限制，往往不可能进行现场的振动测试，而只能凭经中表4爆破振动安全允许标准，作为强夯振动影响的 验，但对大多数工程技术人员来讲，很难积累这样足够安全标准.强夯施工振动的频率、振动速度等参数，均 的经验，这直接影响了强夯施工技术的推广与应用. 应满足该表的使用条件.但该表只对各类建（构）筑 1强夯振动影响的一般规律 物提供了安全允许标准，而对具有不同用途和设备精...
[关键词】地基：强夯；振动；隔振沟 [中图分类号]TU753[文献标识码】A[文章编号】1002-8498(2014)07-0076-04 Discussion and Verification of Dynamic Compaction Vibration Propagation Mechanism andFoundationVibration Characteristics Guo Weilin,An Ming (Shanxi Mechanisation Constructin Group Company，Taiyuan，Shanxi030009,China) Abstract:Based on dynamic paction vibration testing results of several projects,this paper analyzed and discussed the propagation mechanism of dynamic paction vibration, and understood foundation vibration effect and laws of propagation and atenuation in diferent sites, positions and distances. Meanwhile,this paper also discussed the principle of isolation trench and gave suggestions for the position and depth of isolation trench. Key words:foundations; dynamic paction;vibration；isolation trench
1强夯加固地基的波动原理摩擦而产生热能耗散，其余大部分冲击能以体波的 1.1波动理论形式由振源向地层深层传播，能量释放于加固范围 对连续体而言，质点在连续介质内振动，其振的地基中，使土体得到不同程度的压密加固。
[关键词]地基；强夯；静载荷；试验；尺寸效应 [中图分类号]TU472[文献标识码]A[文章编号〕1002-8498（2016）01-0052-04 TheResearchonSizeEffectofStaticLoadTestofDynamicCompacting ThickFilledEarthFoundation ZhangXiaolong'，Li Ying² (1.Key Laboratory of Geotechnicaland Underground EngineeringofMinistry of Education，TongjiUniversity， Shanghai 200092，China;2. Shanghai Tongyan Architectural and Planning Design Co.，Ld.，Shanghai 200092, China) Abstract:Choosing the width of bearing plate to do field static load test with gravelly soil with thickness of 10m of filled earth reinforced by dynamic paction， this paper considered both the minimum value required by the relevant standard and the depth-influencing factors produced by bearing plates after being stressed and then chose 4 norms of large square bearing plates with the width of 1.41m, 3. 00m,3.46m and 4.47m to do the field static load test to study the effects of width of bearing plates to foundation settlement，relative settlement proportion，soil parameters，ultimate bearing capacity of ground and bearing capacity of ground.Summing up the results helps gain the rule of the objects mentioned above varyingwith the width ofbearing plates and shows the width choosing range of bearing platesto do static load test of dynamic pacting the filled earth foundation. Key words:;foundations;dynamic paction;static load;test;size effect 0引言尺寸效应对地基检测结果的影响。