2012年11月上 施工技术 第41卷第376期 CONSTRUCTION TECHNOLOGY 35 北京市既有居住建筑节能改造效果测试及经济能效分析 段恺，任静，张金花，王志勇，崔新阳，李江宏，李坚 (北京中建建筑科学研究院有限公司，北京100076) [摘要]主要介绍了《北京市既有居住建筑节能改造效果测试及经济能效分析》课题的研究背景、主要内容、关键技 术、课题成果等内容，对北京市进行既有居住建筑节能改造后建筑的节能效果进行了测试及计算，评价各种改造类 型的节能率和性价比，为“十二五”期间既有居住建筑节能改造提出建议. [关键词]既有居住建筑；建筑能耗；改造；能效测评；经济分析 [中图分类号]TU111.19 [文献标识码]A [文章编号]1002-8498(2012)21-0035-04 Effect Test and Economic Energy Efficiency Analysis on Energy Efficiency Improvement of Existing Residential Buildings in Beijing Duan Kai Ren Jing Zhang Jinhua Wang Zhiyong Cui Xinyang Li Jianghong Li Jian (Beijing Building Research Institute Co.Lad.of CSCEC Beijing 100076 China) Abstract:This paper introduces the research background main contents key technology and research results of the research project Effect Test and Economic Energy Efficiency Analysis on Energy Efficiency Improvement of Existing Residential Buildings in Beijing.The energy-saving effect of Beijing energy efficiency improvement of existing residential buildings were tested and calculated.The energy efficient rate and performance-price ratio of different kinds of reconstruction styles were evaluated and some suggestions were put forward for the improvement of the energy efficiency of existing residential buildings in the twelfth five-year plan period. Key words:existing residential buildings;power consumption;reconstruction;energy efficiency; economic analysis 1概况 2研究背景 《北京市既有居住建筑节能改造效果测试及经 北京是国内最早开展建筑节能工作的城市之一， 济能效分析》课题是由北京住房和城乡建设委员会 也是最早执行建筑节能65%标准的城市.随着经济 ...

2013年1月上 施工技术 第42卷第1期 CONSTRUCTION TECHNOLOGY 47 北京地区深基坑支护SMW工法的创新应用 李哲琳，倪晓荣 (中国新兴建设开发总公司，北京100039) [摘要]对于北京地区既需要施工降水，又需要进行边坡支护的深基坑，常用的方案是采用管井或止水帷幕控制地 下水、土钉墙或桩锚支护结构进行边坡支护.本文介绍了一种全新的施工方案，即创新运用MW工法桩结合预应 力锚杆在满足边坡支护的要求下同时满足基坑边坡止水的作用.工程实践表明，该方法大大降低了成本，取得了 较好的效果. [关键词]地下工程；深基坑；支护；MW工法；预应力锚杆；监测 [中图分类号]TU753 [文献标识码]A[文章编号]1002-8498(2013)01-0047-03 Innovative Application of SMW Method for Deep Foundation Excavation Supports in Beijing Li Zhelin Ni Xiaorong China Xinxing Construction Development General Co. Beijing 100039 China) Abstract:For deep foundation excavations in Beijing that need both dewatering and slope supports a general scheme is to use tube well or waterproof curtain to control the underwater water and use soil nailing wall or pile-anchor structure for slope support.This paper introduces a new construction technology which innovatively uses SMW method in bination with prestressed anchor to provide slope support while satisfying the requirement of water stopping.Engineering practice shows that this technology can reduce cost and obtain good effect. Key words:underground;deep foundation excavation;supports;SMW method;prestressed anchor;monitoring 随着大城市深基坑工程的日益发展，建筑市场1工程概况 竞争越来越激烈，一个好的方案要同时满足安全和 本工程拟建场地位于北京市海淀区永丰北清 经济两个指标.对于北京地区既需要施工降水，又路99号中关村永丰产业基地1-22地块，拟建建筑 需要进行边坡支护的深基坑，常用的方案是采用管使用性质为工业厂房，其中1-22地块四周为A区 井或止水帷幕控制地下水、土钉墙或桩锚支护结构 (A1~A6共计6栋厂房)，I-22地块中央圆形区域 进行边坡支护，尤其是2008年3月北京市建委及水为C区，地上部分是C1~C4共计4栋建筑组成的 务局联合出台了北京市“限降”管理办法后，深基坑 圆环形建筑群，整个中央区域圆形建筑为一整体筏 工程采用止水帷幕结合柱锚支护体系解决地下水 ...

施工技术 2011年12月下 26 CONSTRUCTION TECHNOLOGY 第40卷第355期 北京国贸三期A阶段基坑支护设计与施工监测 马昕，周予启 (中建一局集团建设发展有限公司，北京100102) [摘要]北京国贸三期A阶段主塔楼建筑高度330m.基坑开挖深度-22.55m(最深-27.10m).根据地质条件， 大面采用上部土钉墙下部桩错联合的基坑支护结构形式，护坡桩间设高压旋喷形成止水帷幕体系.基坑施工过 程中，对支护结构水平位移、沉降、护坡桩倾斜、地下水位、锚杆拉力等进行监测.现场监测表明：围护结构和周边 环境的变形均在允许范围内，并针对监测结果提出改进措施. [关键词]地下工程；深基坑；桩错支护；监测 [中图分类号]TU470.3 [文献标识码]A [文章编号]1002-8498(2011)24-0026-04 Design and Construction Monitoring of Foundation Excavation Supporting in A Stage of Beijing World Trade Center Three Phase Ma Xin Zhou Yuqi China Construction First Division Group Construction Development Co.Lid.Beijing 100102 China) Abstract:The architectural height of A stage main building is 330m for the three phase project of Beijing World Trade Center.The depth of foundation excavation is -22.55m the deepest point is -27.10m). According to geological conditions soil nailing wall pounding with pile and anchors are designed as supporting structure and high-pressure jet grouting technology is adopted among the supporting piles to form waterproof curtain.During construction some control parameters are monitored including the ..horizontal displacement settlement inclining of supporting piles groundwater level and anchor stress. The monitoring results show that the displacement can meet the requirements and improving measures are suggested according to the monitoring values. Key words:underground;deep foundation excavation;pile-anchor supporting;monitoring 1工程概况 54和55层设8个2层高伸臂桁架形成结构转换 北京国贸三期A阶段工程坐落于北京市朝阳 层.周...

2015年6月上 施工技术 第44卷第11期 CONSTRUCTION TECHNOLOGY D01:10.7672/8gis2015110001 北京园博会主展馆大跨度无柱屋架安装技术 张悦，梅宇 (中铁建工集团有限公司北京分公司，北京100070) [摘要]结合第九届中国（北京）国际园林博览会主展馆钢结构屋面施工，介绍了分区、分段吊装方案，减少吊装跨 度及自重，提高安装效率及经济性；介绍了相邻两福主桁架同时安装、圆心垂直相对的两组桁架对称安装的安装顺 序，有效保障桁架的整体稳定性；通过同步卸载，实现了结构体系的成功转换. 【关键词]钢结构；无柱屋架；预应力拉索；空间测量；安装 [中图分类号]TU758.11 [文献标识码]A [文章编号]1002-8498(2015)11-0001-04 Installation Technology of Large Span Non-column Roof Truss for the Main Exhibition Hall of Beijing International Garden Expo Zhang Yue Mei Yu (Beijing Branch of China Railway Construction Engineering Group Co. Lid.Beijing 100070 China) Abstract:Based on the steel roof truss construction of the main exhibition hall of the 9th China Beijing) International Garden Expo this'paper introduces the hoisting scheme with zoning and segmentation for the steel roof truss which minimize the span and weight of the parts to be hoisted and improves installation efficiency and economic efficiency.This paper introduces how to assemble the adjacent two master truss units simultaneously in a right sequence as well as the two groups of trusses whose circle center is vertically relative to guarantee the stability of the entire truss frame.By synchronous unloading a successful switch on difference structures is also realized. Key words:steel structures;non-column roof truss;prestressed cables;spatial measurement;installation 1工程概况 2钢结构概况及施工难点 第九届中国（北京）国际园林博览会主展馆工2.1钢结构概况 程（见图1），位于北京市丰台区射击场路园博会主 本工程中心主展厅屋面为钢结构，屋面形式为 入口的西南侧，为园博园内核心建筑，建筑面积 金属屋面，钢结构总重约250t...

答疑：为什么3个系统图不一致？

提问日期：2023-12-11 22:30:13

提问网友：4062

解答网友：睡 莲

上两个是集中电源，连接的是电源线，

最下方的是控制室，出线是控制线

施工技术 2014年8月下 52 CONSTRUCTION TECHNOLOGY 第43卷第16期 D01:10.7672/sjs2014160052 冲击回波在孔道灌浆缺陷识别中 的频谱效应试验研究* 万利军1，单炜，张宏祥2，杨海林2 (1.东北林业大学寒区科学与工程研究院，黑龙江哈尔滨150040； 2.东北林业大学土木工程学院，黑龙江哈尔滨150040) [摘要]针对冲击回波法管道缺陷检测仍不成熟的现状，为解决预应力孔道灌浆质量不易控制的问题，采用应力回 波法对预应力钢波纹管的灌浆缺陷进行系统性的试验，提出了缺陷下频谱图中的响应峰值识别的解释方法.结果 表明：灌浆饱满的模型厚度频率和实体板基本相同；缺陷的存在或灌浆液的强度不足均使主频向低频漂移；灌浆不 足的管道中，冲击点与缺陷的相对位置会对测试结果产生影响，冲击点正对缺陷时的响应频率要低且二者都低于 实体板的响应频率；孔道全空和全水的模型频率响应基本相同，由于缺陷位置较浅且尺寸较大，容易造成敲击表面 的弯曲振荡，波形相对发散. [关键词]混凝土；冲击回波法；孔道灌浆；模型试验；无损检测 [中图分类号]TU755.7 [文献标识码]A [文章编号]1002-8498(2014)16-0052-04 Study on Spectrum Test About Defects Recognition in Duct Grouting Using Impact Echo Wan Lijun' Shan Wei Zhang Hongxiang? Yang Hailin? (1.Institute of Cold Regions Science and Engineering Northeast Forestry University Harbin Heilongjiang 150040 China 2.Department of Ciril Engineering Northeast Forestry University Harbin Heilongjiang 150040 China) Abstract:On the present situation that impact echo method was not immature for the pipeline defects test it was difficult to control the quality of prestressed duct grouting the stress echo method was carried out in systemic experiment of the prestressed steel pipe grouting.Interpretation method to recognize the response peak under the frequency spectrogram with defects was put forward.Results indicate that: frequency on the full grouting model was similar to the solid slab;defects or insufficient strength in grouts could make dominant frequency drifting to low frequency in the pipes lack of grouts the locati...

2015年11月上 施工技术 第44卷第21期 CONSTRUCTION TECHNOLOGY 113 D0I:10.7672/sgis2015210113 倒置式屋面泡沫玻璃保温板安装技术 吕欣豪，戴超，杜福祥，袁渊，黄凯 (中建三局建设工程股份有限公司成都分公司，四川成都610041) [摘要]为有效解决常规有机保温材料如XPS EPS等应用在倒置式屋面保温系统中受其材料自身保温防火性能 差、强度低易变形老化及后期维修困难成本大的缺陷及施工工艺的限制而难以满足现代建筑物对防火及节能环保 要求的问题，首次在重庆地区引进一种新型保温材料——泡沫玻璃保温板，并以重庆国金中心T3/T5塔楼倒置式 屋面保温工程为例，阐述了该新型保温材料的材料性能、施工工艺流程、安装方法、注意事项及技术标准.因其优 异的材料特性及优化的施工工艺，在提高工程质量、加快安装进度、减少安全隐患、增强节能环保性能等方面取得 了良好的效果. [关键词]倒置式屋面；泡沫玻璃保温板；A级不燃；节能环保；施工技术 [中图分类号]TU767.5 [文献标识码]A [文章编号]1002-8498(2015)21-0113-04 Inverted Roof Insulation Foam Glass Plate Mounting Construction Technology LǖXinhao Dai Chao Du Fuxiang Yuan Yuan Huang Kai Chengdu Branch of China Construction Third Engineering Bureau Co.Lad.Chengdu Sichuan 610041 China) Abstract:In order to effectively solve the problems of conventional organic heat preservation material such as XPS EPS and other applications in the inverted roof insulation system by the defects of its own fire insulation poor performance low strength deformation aging post maintenance difficulties large cost and by the limit of construction process difficult to satisfy the modern buildings on fire and energy saving and environmental protection requirements a new type of insulation material-foam glass insulation board is introduced in the Chongging area.Based on the Chongqing IFC tower T3/T5 inversion type roof insulation engineering as an example this paper describes the material properties construction process installation method attention matters and the technic...

施工技术 2013年8月上 64 CONSTRUCTION TECHNOLOGY 第42卷第15期 D0I:10.7672/sgjs2013150064 倒置保温层铝板轻质屋面施工新技术 向伟明，童华炜，周艳杰 (广州大学土木工程学院，广东广州510006) [摘要]倒置保温层铝板轻质屋面是以优质轻钢龙骨作为骨架，以铝板作为面板，并在面层铝板和底层铝板之间填 充玻璃保温棉且面层铝板具有氟碳漆表面涂层的新型节能屋面.介绍了该施工技术的特点和原理，详细述了屋 面的施工工序，提出了质量控制和产品保护措施，与传统施工方法相比，该技术针对倒置保温层铝板轻质屋面施工 工法的研究进一步提出屋面的平整度控制、保温隔热性能的持久稳定性、提高屋面防水、泄水性能等施工措施，从 而大大延长了产品的使用年限等创新研究内容.最后对该技术进行了总结.应用结果表明，该屋面系统具有质量 轻、强度高、防水、保温性能好等特点，工程质量得到保证，提高了经济效益. [关键调]屋面；双层铝板；平整度控制；节能；防水 [中图分类号]TU767.5 [文献标识码]A[文章编号]1002-8498(2013)15-0064-04 New Construction Technology of Inverted Insulation Layer Aluminum Lightweight Roof Xiang Weiming Tong Huawei Zhou Yanjie School of Civil Engineering Guangzhou University Guangzhou Guangdong 510006 China) Abstract:Inverted insulation layer aluminum lightweight roof is made of high quality light steel keel as skeleton taking aluminum veneer as panel then filling in glass insulation cotton between the surface and bottom aluminum plate and the surface layer aluminum plate is designed with fluorocarbon coating.It is a kind of new energy-saving roof.The article describes the characteristics and principles of the construction technology expounds the roof construction process in detail proposes the quality control and product protection measures.Compared with traditional construction methods the new method research for inverted insulation layer aluminum lightweight roof construction engineering methods further proposed: roof flatness control thermal insulation performance of lasting stability im...

答疑：请教这个箍筋这样设置有问题吗

提问日期：2023-12-11 22:28:06

提问网友：苍角殿

解答网友：睡 莲

可以

施工技术 2010年7月 84 CONSTRUCTION TECHNOLOGY 第39卷第7期 保温墙模复合剪力墙施工技术研究 朱民伟，李珠，刘元珍，张婷 (太原理工大学建筑与土木工程学院，山西太原030024) [摘要]作为新型保温承重一体化建筑结构体系，保温墙模复合剪力墙体系的施工工艺研究是其推广应用中的关 键问题.结合体系实验楼施工，对其施工技术进行研究.提出了新型体系的施工工艺，总结了其施工要点，并对施 工质量及验收问题进行了探讨.实验楼施工实践表明该施工技术具有技术可行性及经济合理性，有助于增强建筑 保温性能、加快施工进度、降低工程总造价. [关键词]保温；复合剪力墙；施工工艺；造价 [中围分类号]TU755.9 [文献标识码]A[文章编号]1002-8498(2010)07-0084-04 Research on Construction Technology of Composite Shear Wall Structure with Thermal Insulation Formwork Zhu Minwei Li Zhu Liu Yuanzhen Zhang Ting (College of Architecture and Civil Engineering Taiyuan University of Technology Taiyuan Shanxi 030024 China) Abstract:The posite shear wall structure with thermal insulation formwork is a kind of new architecture structure characterized by load-bearing and thermal insulation and the research on the construction technology of this structure is crucial to its promotion and application.Combined with the engineering practice of a pilot building the authors developed a new construction technology and summarized the main points in the process of construction.Meanwhile the related issues about construction quality and acceptance check were also discussed.The case of the pilot building demonstrated the technical feasibility and economic rationality of the technique which will help to enhance the insulation accelerate the constructional process and reduce the construction cost. Key words:thermal insulation;posite shear wall;construction technology;construction cost 保温墙模复合剪力墙体系是一种结合我国房建筑...

2016年5月下 施工技术 第45卷第10期 CONSTRUCTION TECHNOLOGY 49 D0I:10.7672/8js2016100049 低负温钢筋连接用套筒灌浆料的应用研究 朱清华，刘兴亚，钱冠龙，郝敏 (北京思达建茂科技发展有限公司，北京100088) [摘要]国内还未曾有低负温环境下，预制构件灌浆连接施工的经验.为此，开发了低负温套筒灌浆料，专用于环境 温度低于5℃时的灌浆施工.对不同条件下，灌浆料的凝结时间、强度增长情况等性能进行了研究，明确了灌浆连接 冬期施工中的控制要点.得出了冬期施工时，只要在灌浆时及灌浆后4h套筒内温度不低于0℃，就可使用低负温套 筒灌浆料进行预制构件的灌浆连接施工，即使日最低温度低至-10℃，也不需采取任何加热保温措施的结论. [关键词]灌浆料；冬期施工；装配式；混凝土结构；套筒；应用 [中图分类号]TU528.044 [文献标识码]A [文章编号]1002-8498(2016)10-0049-03 Application Research of Low or Negative-temperature Grout for Couple of Rebar Splicing Zhu Qinghua Liu Xingya Qian Guanlong Hao Min Beijing Sida Jianmao Science Technology Development Co.Ld.Beijing 100088 China) Abstract:There is no experience of grouting in low or negative-temperature environment on PC structure. In this paper we developed a low or negative temperature sleeve grout specially used when the ambient temperature is below5℃.In addition we researched the setting time strength of grout and construction control points in different conditions.The result shows that as long as the sleeve temperature is not below 0℃within4 hours you can use a low or negative-temperature sleeve grout in winter even if the daily minimum temperature is as low as-lO℃，you need not to take any heating insulation measures. Key words:grout;winter construction;precast;RC structure;grouting sleeve;application 近年来，我国装配式混凝土结构发展越来越 也因为体积较大，只要保证灌浆时的浆温和简单的 快，预制构件现场拼装的连接方式主要为灌浆连覆盖保温，较大的水化热使浆体的温度降低迟缓， 接，根据施工进度安排，很多项目在冬季仍需灌浆 保证其能度过安全养护期而不产生冻害.而钢筋 施工作业.而此期间日平均气温已降至5℃以下， 连接用套筒灌浆则与普通灌浆...

2014年2月下 施工技术 第43卷第4期 CONSTRUCTION TECHNOLOGY 5 D0I:10.7672/sgj2014040005 低周反复荷载下预制装配式竖缝剪力墙 抗震性能研究* 李晗，卢家森2，张其林，吕佳，杨彬，郑振鹏2 (1.同济大学土木工程学院，上海200092；2.上海城市建设设计研究总院，上海200125) [摘要]为研究预制装配式竖缝剪力墙的抗震性能，利用低周反复荷载试验对预制装配式竖缝剪力墙进行了研究， 得到试件的滞回曲线.分析了预制装配式竖缝剪力墙的破坏形态、裂缝行为、荷载位移关系、开裂荷载、抗剪承载 力以及变形特性的发展规律.综合考察该装配式剪力墙结构的破坏模式和变形能力.试验结果表明：预制装配式 竖缝剪力墙在水平地震作用下的破坏模式属于延性破坏，耗能性能较好；竖缝墙由缝间墙受弯破坏最终发展成贯 通各墙肢竖缝根部的剪切破坏；剪力墙与基础梁间的钢板连接件未发生破坏，能提供有效连接. [关键词]抗震；预制；荷载；剪力墙；试验 [中图分类号]TU375.4 [文献标识码]A[文章编号]1002-8498(2014)04-0005-04 Experimental Study of the Seismic Behavior of Precast Slotted Shear Wall Under Low Cyclic Loading Li Han' Lu Jiasen2 Zhang Qilin' LǔJia' Yang Bin' Zheng Zhenpeng (1.College of Civil Engineering Tongji Unirersity Shanghai 200092 China; 2.Shanghai Urban Construction Design Research Institute Shanghai 200125 China) Abstract:To investigate the seismic behavior of the precast slotted shear wall low cyelic loading experimental was made.On the basis of tests failure patterns crack behaviors loading-displacement relation crack load shear capacity as well as deformation characteristic of specimen shear wall were studied in detail.The results indicate that the failure mode of precast slotted shear is ductile failure under earthquake energy and has good energy performance.The failure pattern of shear wall was bending failure at first then developed into shear failure at last with crack run through the whole shear wall.The steel plate connection between the shear wall and foundation beams had no failure ...

2010年3月 施工技术 第39卷第3期 CONSTRUCTION TECHNOLOGY 103 从施工企业信息化建设应用看 我国建筑企业ERP的实施 崔惠钦 (中国建筑工程总公司，北京100835) [摘要]近年来，出现了将个别施工企业单项管理信息系统应用和初步集成当作企业资源计划ERP成功实施的典 型进行推广，而对真正实施企业资源计划ERP的企业认识不足的现象.通过对国际上已经成熟的企业资源计划理 念的学习认识，讨论了建筑业企业资源计划的概念及我国建筑业行业引导企业实施资源计划出现的偏差，提出了 我国建筑企业实施企业资源计划时应注重的效果和需要注意的间题. [关键词]建筑企业；资源计划；ERP;实施 [中图分类号]TU717 [文献标识码]A [文章编号]1002-8498(2010)03-0103-03 Viewed Implementation of ERP in Chinese Building Industry from Information Building of Construction Enterprises Cui Huiqin China State Construction Engineering Corporation Beijing 100835 China) Abstract:In recent years a phenomenon appears that is popularizing some construction enterprises for so-called successful implementation of enterprise resource planning ERP which only use and simple integrate single item management information system and no fully realizing some construction enterprises for really successful implementation of ERP.In this article by studying mature concept of ERP the author discusses the concept of ERP in building industry and some deviations on guiding enterprises to implement ERP in Chinese building industry and puts forward that building enterprises should pay attention to effect when they implement ERP and also introduces some problems which should be noticed. Key words:building enterprise;resource plan;enterprise resource planning(ERP);implementation 近年来，企业资源计划的实施成为各行各业企业计划ERP实施应用、协同管理与集成应用几个阶段. 信息化建设的热门课题，企业资源计划在国内外的制 国际上著名大型承建商的管理信息化已经走过了 造业中实施已经很成功且取得公认的成效.在建筑业单项和管理信息系统应用阶段，企业资源计划系统的 这个特别的制造业中...

2014年8月下 施工技术 第43卷第16期 CONSTRUCTION TECHNOLOGY 17 D0I:10.7672/5j52014160017 不规则多面体高保温玻璃采光顶施工技术* 胡龙伟，田砾2，赵铁军2 (1.青岛理工大学管理学院，山东青岛266033；2.青岛理工大学土木工程学院，山东青岛266033) [摘要]高保温采光屋顶在大型公共建筑中越来越多地得到应用，因为其具有极强的视觉冲击力和艺术表现力的 同时，具有采光、保温等诸多功能.但如果施工精度不高，则易引起渗漏水、玻璃爆裂等问题.针对国内某生态园 的体验中心不规则多面体高保温采光屋顶的施工进行了研究，相应的施工工艺及技术措施可以保证高保温玻璃安 装精度控制在mm数量级.在此基础上总结了不规则多面体玻璃采光顶专用施工技术，对保证类似工程的施工精 度具有一定的参考价值. [关键词]钢结构；玻璃采光顶；保温；施工技术 [中图分类号]TU758.1 [文献标识码]A [文章编号]1002-8498(2014)16-0017-03 Construction of Irregular Polyhedral Thermo-insulating Glass Daylighting Roof Hu Longwei' Tian Li2 Zhao Tiejun2 (1.School of Management Qingdao Technological Unirersity Qingdao Shandong 266033 China; 2.School of Civil Engineering Qingdao Technological Unirersity Qingdao Shandong 266033 China) Abstract:The daylighting roof with high thermo-insulating glass is adopted increasingly in large-scale public building because of its great visual impact and artistic expressive force along with day lighting and heat preservation.However if the construction precision is not enough leakage of water glass blowout and other question will stand out easily.The construction technology of S-G eco-park experience center were studied in this paper corresponding technical measure of such an irregular polyhedral thermo- insulating and glass daylighting roof can ensure the installation accuracy of the glass within mm order of magnitude.Specialized construction technology can be summed up base on this engineering and can be utilized in similar projects. Ke...

施工技术 2012年3月下 110 CONSTRUCTION TECHNOLOGY 第41卷第361期 不良地质条件下地下连续墙成槽施工技术 白楠1，尹长海，王君2 (1.中铁一局集团天津建设工程有限公司，天津300250；2.天津城投建设有限公司，天津300050) [摘要]在天津市不良地质条件下，某深基坑61m超深地下连续墙施工过程中，通过对试成槽试验结果的分析，制 定了槽壁两侧深层搅拌法加固控制上部淤泥质土层稳定，增大槽内护壁泥浆比重控制下部砂层稳定以及调整成槽 工艺等指施.结果证明，采取的技术措施取得了较好的成槽效果，为保证地下连续墙的施工质量打下基础. [关键词]地下工程；深基坑；地下连续墙；成槽 [中图分类号]TU942 [文献标识码]A[文章编号]1002-8498(2012)06-0110-03 Construction for Diaphragm Wall Trenching Under Poor Geological Condition Bai Nan' Yin Changhai' Wang Jun2 (1.Tianjin Construction Engineering Co.Lad.of China Railway First Engineering Group Tianjin 300250 China; 2.Tianjin Chengtou Construction Co.Lad.Tianjin 300050 China) Abstract:During the construction of 61m extra deep diaphragm wall for some deep foundation excavation under poor geological condition in Tianjin by analysis of test trenching results the methods of strengthening on both sides of slot wall by deep mixing method to control upper silt soil stabilization increasing the proportion of protective mud in slot to control lower sand layer stabilization and adjusting technique of trenching are introduced.The results show that these measures achieve good effect and assure construction quality of diaphragm wall. Key words:underground;deep foundation excavation;diaphragm wall;trenching 1工程概况 色、黄灰色，土质不均匀，结构松散，工程性质较差， 天津市塘沽区某大型地下交通枢纽工程建筑含水丰富，厚度0.5~5.3m. 面积27万m2 基坑深度最深30m 围护结构采用22软土 1.2m厚的地下连续墙，幅宽5~6m 采用工字钢板 淤泥质土较厚，约在地表下5~17m范围内分 止水接头，墙体深度达到61m. 布，厚度约0.5~10.5m 主要为淤泥质粉质黏土层 2工程水文地质条件 和淤泥质黏土层，呈层状在场地内分布，具有灵敏 天津市塘沽区地处华北平原的北...

2013年2月上 施工技术 第42卷第3期 CONSTRUCTION TECHNOLOGY 87 D01:10.7672/sgjs2013030087 不良地层对武汉地区某深基坑工程的 影响及处理措施* 胡斌，杨盛双 (中铁隧道集团有限公司，河南洛阳471009) [摘要]以武汉某过江隧道深基坑工程为例，结合工程实际水文地质条件，对工程中遇到的粉土夹层等不良地层的 性质、分布情况、对工程造成的危害进行了分析，通过采取双液注浆、增加集水井以及加强基坑支撑等方式，确保基 坑施工安全，并针对此类不良地层的影响从源头上提出预防措施和处理建议. [关键词]地下工程；基坑；隧道；工程地质；处理措施 [中图分类号]TU753 【文献标识码]A [文章编号]1002-8498(2013)03-0087-04 Effect and Treatment Measures of Adverse Geological Condition on Some Deep Foundation Excavation in Wuhan Hu Bin Yang Shengshuang (China Railway Tunnel Group Co.Lid.Luoyang He'nan 471009 China) Abstract:Using the deep foundation excavation for a tunnel project in Wuhan as an example bined with actual hydrogeological conditions this paper analyzed the properties and distributions of adverse geological conditions such as silt interlayer and the hazards caused by them.Corresponding treatment measures were also proposed.It is suggested to use double liquid grouting method increased collector wells and strengthened excavation supports to ensure the safety of foundation excavation.The preventive measures and treatments were also proposed for this kind of adverse geological conditions. Key words:underground;foundation excavation;tunnels;engineering geology;treatment measures 1工程概况 统稍密~密实粉细砂组成，下部基岩为志留系泥质 武汉某过江隧道工程主线全长为3630m 主要粉砂岩夹砂岩、页岩.而基坑围护结构深度范围 包括中间的盾构隧道和武昌、汉口两端的明挖暗埋内，对基坑施工有直接影响的地层主要为第四系全 隧道等.盾构隧道段采用2台间接控制式泥水平衡 新统冲积层.该冲积层从上至下主要包括如下地 盾构掘进施工，受不良地层的影响相对较小.武昌 层：黏土（④）、粉质黏土（④2）、粉土夹层（④）、粉 汉口两端属于深基坑工程，采用明挖法施工，受不 质黏土（④）、淤泥质粉质黏土（④）、粉土（④6）、 良地层...

2016年10月上 施工技术 第45卷第19期 CONSTRUCTION TECHNOLOGY 13 D0I:10.7672/5j52016190013 不封闭内支撑体系在软土深基坑中的应用 高雁，谢弘帅2，张亚为2 (1.台州职业技术学院建筑工程学院，浙江台州318000； 2.上海林同炎李国豪土建工程咨询有限公司.上海200092) [摘要]不封闭内支撑体系作为一种特殊支撑体系，其围护桩不连续且支撑体系上土压力不平衡.结合实际工程， 分析了不封闭内支撑体系在设计和施工过程中遇到的不利情况，提出了解决思路和技术措施，取得了良好的应用 效果. [关键词]深基坑；软土；支护；施工技术 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2016)19-0013-03 Application of Opening Support System of Deep Foundation Excavation in Soft Soil Gao Yan' Xie Hongshuai Zhang Yawei? (1.Department of Architecture Taizhou Vocational Technical College Taizhou Zhejiang 318000 China; 2.Lin Tung-Yen Li Guo-Hao Consultants Shanghai Lid.Shanghai 200092 China) Abstract:Opening support system is a special support system retaining pile discontinuity and the earth pressure on supporting system is imbalance.Combined with the actual cases this paper analyzed the adverse conditions of opening support system in the process of design and construction proposed the ideas and technique measures which obtained good effect. Key words:deep foundation excavation;soft soil;supports;construction 0引言 项目位于浙江省温岭市，工程地下室北侧为地 在东南沿海软土广泛分布的地区，由于软土的下1层，南侧为地下2层.±0.000处标高相当于 物理力学性质很差，基坑支护设计和施工难度较黄海高程5.600m 自然地坪为黄海高程 大.另外，由于用地空间狭小、周边环境复杂以 3.500m.地下1层底板垫层底设计标高为 及多种基坑开挖深度进一步增加了基坑设计和施 -5.750m 承台垫层底标高为-6.450m 开挖深度 工难度. 为3.65~4.45m.地下2层底板垫层底设计标高为 本文以浙江省温岭市某深基坑支护工程为研 -9.650m 开挖深度为7.55m 场地平面布置如图1 究对象，该基坑一半为地下1层，一半为地下2层， 所示. 两者高差4.40m.针对本工程特点，设计采用先开 2工程地质与水文地质条件 挖地下1层，后开挖地下2层的“先浅后深”的施工 2.1工程地质条件 顺序，且地下2层采用不封闭的支撑体系进行支护. 根据地质勘察报告，土层自上而下分布如表1 ...

施工技术 2016年9月上 92 CONSTRUCTION TECHNOLOGY 第45卷第17期 D0I:10.7672/8gj82016170092 不同粒径粉质黏土击实试验研究 黄建国，姚乐1，高振华2 (1.江苏联合职业技术学院苏州建设交通分院，江苏苏州215000； 2.苏州交通工程集团有限公司，江苏苏州215000) [摘要]结合苏州市中环快速路土方回填项目对粉质黏土进行击实试验研究，对不同粒径的粉质黏土进行了击实 试验，得到不同粒径击实指标.试验结果表明，同一含水率12.5%下，随着粒径的增大，千密度先增大后减小，在 2.5mm≤d<10mm干密度基本不变，在1.25mm≤d<2.5mm最大干密度达到最大值1.90g/cm3.在压实度检测要 求达90%以上时，含水率变化区间随着粒径的增大先减小后增大，在粒径1.25mm≤d<2.5mm时符合压实度要求 的含水率变化区间最小，5mm≤d<10mm时符合压实度要求的含水率变化区间最大，将这一击实变化规律在施工 现场进行验证并应用于施工现场雨期施工，保证施工质量的同时缩短了施工工期. [关键词]公路工程；粒径；粉质黏土；击实试验；施工方法 [中图分类号]U414 [文献标识码]A [文章编号]1002-8498(2016)17-0092-03 Study on Compaction Test of Silt Clay with Different Particle Sizes Huang Jianguo' Yao Le' Gao Zhenhua? (1.Suzhou Branch of Construction Communications Jiangsu Union Technical Institute Suzhou Jiangsu 215000 China; 2.Suzhou Traffic Engineering Group Co.Ltd.Suzhou Jiangsu 215000 China) Abstract:In this paper bined with Suzhou City Central Expressway earthwork back fill project of silt clay paction test paction test of silt clay with different particle sizes was done different size paction index was obtained.Experimental results show that under the same moisture 12.5% with the increase of particle size stem density first increases and then decreases. 2.5mm≤d<10mm dry density is essentially the same in1.25mm≤d<2.5 mm maximum dry density reaches the maximum value of 1.90g/cm2.Demanding in paction degree measure up to more than 90% the lower containing water change interval increases with the increase of the grain siz...

2016年4月上 施工技术 第45卷第7期 CONSTRUCTION TECHNOLOGY 109 D0I:10.7672/8js2016070109 不同坡度下偏压黄土隧道开挖衬砌结构受力特征研究 肖启山 (中铁十一局集团第五工程有限公司，重庆400037) [摘要]偏压隧道的受力与常见的对称应力的受力情况有较大区别，随着西部地区基础设施建设的发展，在建设工 程中经常遇到不同偏压地形下的黄土隧道，由于偏压隧道的特殊性，受力极不对称，对隧道的设计和施工产生较大 影响.为了研究偏压黄土隧道开挖围岩及衬砌结构受力特征，利用FLAC3软件建立数值模型，计算不同坡度地形 条件下隧道的围岩变形规律和衬砌结构的受力特征. [关键词]隧道工程；偏压；黄土；受力分析；数值模拟 [中图分类号]U455 [文献标识码]A [文章编号]1002-8498(2016)07-0109-04 Study on the Force Feature of Lining Structure for Large Bias Loess Tunnel Under Different Slope Gradient Xiao Qishan The 5th Engineering Ltd.of the 11th Engineering Bureau of China Railay Chongqing 400037 China Abstract:The stress situation of bias tunnel is quite different from the mon stress situation symmetrical stress.More and more bias tunnels are encountered in the actual project with the development of construction due to the special nature of the bias tunnel so the force discontinuity symmetry.In order to study the forees of lining structure construction process for bias tunnel a numerical model of loess tunnel is established by FLAC3D software which e into different surrounding rock slope gradient using up and down stairs construction method for the construction the bias tunnel’s construction process simulation is done by different wall rock slope gradient. Key words:tunnels;bias;loess;stress analysis;simulations 0引言 偏压隧道是承受不对称荷载的隧道[12，这种 偏压隧道的受力与常见的对称应力的受力情不对称性主要是隧道左右两边围岩结构的不对 况有较大区别，随着建设的发展，在实际工程中遇 称，最常见的是隧道穿越边坡的情况.钟新樵[3] 到越来越多的偏压隧道，由于偏压隧道的特殊性，对偏压隧道模型的衬砌试验，给出了偏压隧道的 使隧道不得不修建在边坡的...

施工技术 2016年12月下 82 CONSTRUCTION TECHNOLOGY 第45卷第24期 D0I:10.7672/sgjs2016240082 不同压实工艺对路面基层质量影响因素分析 王壁东，周彦，刘子玉 (中建六局桥梁有限公司，重庆402260) [摘要]水稳路面基层质量控制与混合料的结构、性能及成型方法密切相关.室内通过对同一级配水稳混合料分 别按振动击实法和重型振动法、振动法和静压法进行试验，对比分析了2套试验方法的物理性能、结构特点以及与 施工现场试验检测结果.结果表明，室内标准试验方法采用振动压实法和振动法更符合模拟现场施工工艺，振动 压实法和振动法更适合水稳混合料的配合比设计，以该方法确定的最大干密度、最佳含水量和7d无侧限抗压强度 来控制现场施工质量更为合理. [关键词]路面工程；水稳；振动法；静压法；质量控制 [中图分类号]U416.2 [文献标识码]A [文章编号]1002-8498(2016)24-0082-03 Analysis of the Influence Factors on the Quality of Road Base by Different Compacting Method Wang Bidong Zhou Yan Liu Ziyu China Construction Sixth Engineering Division Bridge Co.Ltd.Chongging 402260 China) Abstract:The quality control of cement stabilized gravel pavement is closely related to the structure property and forming method of the mixture.The same indoor mixture gradation of cement stabilized gravel is tested respectively by pacting method with weight and pacting method with vibrating vibration method and pacting method with vibrating and static pressure method.The field test construction of the physical properties of two kinds of test methods structural features and the testing results are pared.The results show that the laboratory test method standard using vibration method and pacting method with vibrating are more suitable for simulation of site construction the mix design of vibration method and pacting method with vibrating are more suitable for the cement stabilized gravel mixture.The maximum dry density optimum moist...