答疑：2(WDZ-YJY-4X120+1X70 CT)前面的2该怎么理解？

提问日期：2023-10-21 02:18:15

提问网友：刘将军

解答网友：大海

2根五芯电缆。

施工技术 2015年11月下 130 CONSTRUCTION TECHNOLOGY 第44卷第22期 D0I:10.7672/sgjs2015220130 龙湖项目毛坯住宅高品质交房施工质量控制技术 周建中，汤家志，黄俊杰 (中亿丰建设集团股份有限公司，江苏苏州215000) [摘要]毛坯交付的住宅项目，验收的重点在于满足“一户一验”的要求.“一户一验”重点和难点在于空间尺寸及 防渗漏控制.空间尺寸着重体现在一次结构、砌体及粉刷成型净开间、净深、层高及方正性；防渗漏主要为外墙、阳 台、卫生间、门窗等迎水部位质量控制.特别是龙湖项目要求毛坯住宅交付报事率不能大于（即在分户验收中，每 户验收需要整改的项目不能多于1项).因此在施工过程中不仅要注重空间尺寸及防渗漏措施，也要加强各个分 部分项过程施工的管控. [关键词]住宅；空间；尺寸；防渗漏；报事率 [中图分类号]TU712.5 【文献标识码]A [文章编号]1002-8498(2015)22-0130-04 Construction Quality Control Technology of High Quality Undecorated Residence in Longfor Projects Zhou Jianzhong Tang Jiazhi Huang Junjie (Zhongyifeng Construction Group Co.Lid.Suzhou Jiangsu 215000 China) Abstract:For the handover of undecorated residential building the emphasis of acceptance is satisfying *one separate acceptance for one household'.The key and challenge in‘one acceptance for one household'lie in spatial dimensions and seepage prevention and control.Dimensions mainly concern the size of primary structures and masonry works and the bay size clear depth story height and rectangularity of plastered rooms while seepage prevention mainly concerns the quality control of the water sides of external walls balconies toilets doors and windows.Particularly a Longfor residential project requires that the reporting rate for the handover of undecorated residential houses shall not exceed 1 (i. e. for separate acceptance of each household the item needing rectification shall not exceed 1).It is therefore important to value dimensions and seepage ...

2014No.17 阮志刚：再生混凝土粒料在路面降噪中的应用研究 111 如图8所示，RC粒料含量对透水系数并无显著影 其吸水率高于天然粒料，由沥青混凝土配合比设计结 响，仅孔隙率越大时透水系数越高，因透水系数与 果显示最佳沥青含量随RC粒料含量增加而增加. 孔隙率及孔隙连通状况有密切的相关性，而在相同 2)力学性质方面，多孔隙沥青混凝土的稳定度 目标孔隙率下，较大公称最大粒径的级配其透水性 与劈裂强度皆随RC粒料取代比例增加而增强. 较佳：结果显示组别的透水系数均高于日本排 3)耐久性方面，不论PMA组（控制组）或CAP 水性铺装规范值(0.01cm/s) 符合排水性能的要 组（对照组）残留稳定度及TSR值皆随RC粒料含 求.但CAP组的透水系数皆略低于PMA组，乃因 量增加而递增. 高黏改性沥青为不吸水材料而水泥沥青胶浆会吸 4)路用性能方面，常温时PMA组有较佳的抗 附少量水分，故影响透水系数的结果. 磨耗能力，CAP组抵抗磨耗的能力较差，但老化后 注：图中各参考数由左至右为： 由于烘箱温度促进强度发展，反而有较佳的抗磨耗 ■PMA43P15:■PMA43P20:■PMA43P25:■PMA21P15: 0.8PMA21P20;PMA2IP25;■CA43P15;■CA43P20; 能力产生. ■CA43P25:■CA21P15;■CA21P20:■CA21P25 0.7 5)声学特性方面，随RC粒料取代比例上升，吸 0.6 声系数的峰值频率呈现降低现象，当试件厚度越厚 0.5 时吸声系数峰值的频率越低. 6)就整体而言，水泥沥青胶浆拌制的多孔隙沥 青混凝土无须高温拌合，且在各方面表现皆较良 0.2 好，为未来使用的趋势；RC粒料应用于低噪声路面 0.1 具有可行性，不但能达到降低路面噪声的目的，更 能兼顾废弃资源再利用的要求. 25 50 75 100 参考文献： RC取代比例/% [1]付培江，透水混凝土强度相关性试验研究[D].北京：北方工 图8透水试验结果 业大学，2009. Fig.8 Results of permeability test [2]张朝辉，王沁芳，杨娟.透水混凝土强度和透水性影响因素研 究[J].混凝土，2008 20(3)：7-9. 3.5声学特性试验结果分析（单层试件） [3]南峰，金瑞灵，伍勇华，等.轻骨料透水混凝土的研究[].混 本研究采用阻抗管试验仪进行吸声系数量测， 凝土与水泥制品，2012(3)：22-25. 依据路面单层试件量测结果显示，试件厚度越小且 [4]戴为民.多孔隙沥青混凝土试验研究[].公路交通科技， 孔隙率越高者，其吸声系数峰值对应的频率越高， 2002(6):17-20. [5]李晓娟.OGFC沥青混合料路用性能研究[D].西安：长安大 且吸声系数随孔隙率增大而提升.孔隙率25%的 学，2008. 试件吸声效果优于孔隙率20%及15%的试件.此 [6]孟宏睿，陈丽红.改善透水混凝土性能方法的试验研究[]. 外，试件厚度越厚者出现吸声系数峰值的个数比试 陕西理工学院学报：自然科学版，2010 26(1)：32-35 53. 件薄者要多且吸声效果较佳.试件在相同孔隙率 [7]宋中南，石云兴，透水混凝土及其应用技术[M].北京：中国 及相同厚度时，公称最大粒径较大者，其吸声系数 建筑工业出版社，2011. 峰值较高.试验结果如图9所示. [8] 曾伟.透水混凝土配合比设计及性能研究[D].重庆：重庆大 学，2007. PMA43P15- PMA43P20- 0 PMA43P25-30 ...

施工技术 2017年4月下 12 CONSTRUCTION TECHNOLOGY 第46卷第8期 D0:10.7672/8gjs2017080012 高能级强夯置换处理软土地基孔隙水压力研究 马健，姜爽，刘丽 (北京泰斯特工程检测有限公司，北京102600) [摘要]以港口饱和软土地基处理为例，采用高能级强夯置换法进行地基处理.以确定施工参数和评价地基处理 效果为目开展强夯置换试验研究.通过对单点夯试验过程中孔隙水压力监测结果的分析确定施工参数，并分析强 夯置换墩体成型状态进而评价地基处理效果；通过对群夯试验过程中超孔隙水压力的消散情况分析确定每遍强夯 的间歇周期.试验结果显示：强夯置换墩体的形成与孔隙水压力的变化有特定的相关性，强夯置换墩体的成型深 度决定了强夯置换影响深度，强夯置换墩体的形成利于场区地基土强夯过程中超孔隙水压力的消散. [关键词]地基；高能级强夯置换；孔隙水压力；墩体；研究 [中图分类号]TU472.1 [文献标识码]A [文章编号]1002-8498(2017)08-0012-04 Research on Pore Water Pressure for Treatment of Soft Soil Foundation by High Energy Dynamic Compaction Replacement Method MA Jian JIANG Shuang LIU Li Beijing Taisite Engineering Testing Co.Ltd.Beijing 102600 China) Abstract:Taking saturation soft soil ground treatment in port as an example the high energy level dynamic paction replacement method is used for the foundation treatment.The study of the dynamic paction replacement test is worked out to determine the working parameters and evaluate foundation treatment effect.Based on the analysis of the monitoring of the pore water pressure during the single-point dynamic paction test the working parameters is defined.The analysis of dynamic paction replacement piers can evaluate foundation treatment effect.Based on the analysis of the pore water pressure monitoring results for the all process of dynamic paction the dynamic paction of intermittent cycle is determined.The test results show that the formation of the dynamic paction replacement piers and the cha...

施工技术 2014年1月下 38 CONSTRUCTION TECHNOLOGY 第43卷第2期 D0I:10.7672/sgjs2014020038 高空钢结构连廊整体提升关键施工技术 高雷雷 (中冶天工上海十三冶建设有限公司，上海201900) [摘要]结合超高层建筑钢结构连廊工程实例，对提升系统有限元分析、提升单元测量控制、高空调整就位等关键 技术进行了研究.相关结果表明，提升系统设计可靠，组合荷载下应力及变形均在允许值范围内；测量工艺及高空 就位方式选择合理确保了提升的顺利实施；针对提升过程的风险制定应急预案，有效保证了施工的安全性. [关键词]钢结构；连廊；提升；监测；施工技术 [中图分类号]TU758.1 [文献标识码]A[文章编号]1002-8498(2014)02-0038-04 The Key Construction of Integral Lifting for Steel Corridor at High Altitude Gao Leilei (CMTCC Shanghai Shisanye Construciton Co.Ltd. Shanghai 201900 China) Abstract:Combined with the practical engineering of steel corridor of tall buildings the finite element analysis for lifting system measurement and control for lifting unit adjustment location at high altitude are studied.The study results show that the design of the lifting system is reliable stress and deformation is under the allowable range of values measurement technology and the way to lift ensure the smooth implementation of improved construction.Contingency plans were developed in response the risk of the development process which effectively guaranteed the safety of the construction. Key words:steel structures;corridor;lifting;monitoring;construction 1工程概况 上海金虹桥国际中心工程总占地面积 35494m2 位于虹桥功能拓展区的中心地带，是上海 商务商贸副中心.该工程主体结构由南塔楼、北塔 楼及连廊3部分组成，形成“凯旋门”式结构.办公 塔楼地上29层，总结构高度143.7m 总建筑面积 20 146233m2(见图1).塔楼结构采用框架-核心筒型 a平面 钢混凝土组合结构体系，核心简为主要抗侧力结构 体系，剪力墙布置有独立箱形柱. 塔楼22~29层为连体层，高度为100.9~ 134.6m 形成高空钢结构连廊.连廊平面位于~ 轴/8~2轴，尺寸为42m×24.7m 中间无竖向 结构，为多层片状连体结构形式.连廊平面形式基 本一致，均采用H型钢梁及钢筋桁架楼承板组合结 构，钢连廊...

施工技术 2012年10月下 40 CONSTRUCTION TECHNOLOGY 第41卷第375期 高空转换层超重梁板结构承重架施工技术 朱良锋 (浙江宝业建设集团有限公司，浙江绍兴312028) [摘要]随着城市建设的发展，高层建筑的建筑功能越来越多元化，建筑结构也越来越复杂，为满足不同的功能需 求，转换层便成了许多高层建筑中不可缺少的结构.主要介绍一种高空转换层的超重梁板结构的支模体系，该体 系主要利用下部结构为型钢梁的支撑点搭设出一个承重平台，以此来支撑上部结构施工过程中的荷载.通过对该 平台式模板体系的设计思路和施工过程的介绍，论述了该支模承重体系较高的安全性和较强的可操作性. [关键词]高层建筑；转换层；梁板结构；承重架；施工技术 [中图分类号]TU731.2 [文献标识码]A[文章编号]1002-8498(2012)20-0040-03 Construction of Load-bearing Scaffold Placed for the Overweight Structure of the Transferring Layer Zhu Liangfeng (Zhejiang Baoye Construction Group Co. Ltd.Shaoxing Zhejiang 312028 China) Abstract:Along with the development of urban construction the building function of high-rise bees more diverse while the structure itself gets more plicated.To meet the requirements of certain specific function transferring layer structure is being indispensable for most high-rises.This paper mainly introduces an extraordinary scaffold system which is planned to support the overhang especially with loading.The system uses the substructure as an extended platform with anchored steel beams to carry loading during construction.With presentation of this design method the high safety and practicability of the system will be clear. Key words:tall buildings;transferring layer;beam and floor structure;load-bearing scaffold;construction 1工程概况 某工程总建筑面积86280m2 由一个整体地下 室和3幢高层建筑组成.地下室均为1层，地上部 分1号楼为32层，2号楼为21层，3号楼为33层. 1号楼10层以下结构由两个独立单体组成，两个单 体中间为小区出入口，总宽度为22.2m 中间设2排 独立高柱.在7层结构部位有一排框架连系梁将两 边结构连接，该部位梁顶面标高为18.520m.在10 层结构...

施工技术 2015年4月下 30 CONSTRUCTION TECHNOLOGY 第44卷第8期 D0I:10.7672/sgj82015080030 高空悬挑转换桁架施工模拟分析及应力监测 张振兴，刘宁波1，周勇，吴琴锋2，张宇，赵广坡2 (1.中建三局集团有限公司成都分公司，四川成都610041； 2.中国建筑西南设计研究院有限公司，四川成都610041) [摘要]成都华置广场2栋住宅为凯旋门式建筑设计，38层设计有悬挑钢结构转换桁架，支撑其上部12层钢筋混 凝土结构.在制定了初步钢结构施工方案后，为确保整体施工过程及建筑使用阶段钢结构桁架均处于安全可靠工 作状态，进行了整体建模与有限元施工模拟，并对桁架做了应力、变形分析.为监控结构应力水平，钢结构安装完 成后，布设了应力监测点，并将取得的数据与施工模拟的数据进行对比分析. [关键词]高层建筑；钢结构；转换桁架；悬挑；施工模拟；应力监测 [中图分类号]TU391.3 [文献标识码]A [文章编号]1002-8498(2015)08-0030-04 Construction Simulation and Stress Monitoring for Cantilevered Transfer Steel Truss of Super High-rise Building Zhang Zhenxing' Liu Ningbo' Zhou Yong' Wu Qinfeng? Zhang Yu' Zhao Guangpo2 (1.China Construction Third Engineering Co.Lad.Chengdu Construction Company Chengdu Sichuan 610041 China;2.China Southwwest Architectural Design and Research Institute Co.Ltd.Chengdu Sichuan 610041 China Abstract:The residence of Chengdu Chinese-estates Plaza has special triumphal arch design its upper concrete structure is supported by cantilever steel structure truss which locates at 38th floor.After determining the installation plans finite element construction simulation stress and distortion analysis are done to make sure the steel structure truss is safe during construction process and use phase.In order to monitor the level of stress after steel installation is pleted stress monitoring points are laid. Monitoring data and construction simulation data are pared at the end. Key words:tall buildings;steel structures;transfer truss;c...

施工技术 2014年1月下 88 CONSTRUCTION TECHNOLOGY 第43卷第2期 D0I:10.7672/sgjs2014020088 高空大跨度悬吊支撑平台施工技术 许洪元，李云龙1，许武，刘兰凤2 (1.中国建筑第六工程局总承包公司，天津300451； 2.山东聊城星光房地产开发有限公司，山东聊城252000) [摘要]针对高空大跨度型钢混凝土连体结构特点，以实际工程为例，详细介绍了高空大跨度型钢混凝土连体结构 采用钢筋悬吊工字钢平台支设结构模板的新型支模方法，包括方案原理、相关节点构造及创新的施工流程等关键 技术措施.工程实践表明，使用该技术不仅能安全有效地承载上部结构荷载及施工荷载，而且保证了高空混凝土 顺利浇筑及工程质量，有效解决了型钢结构高空大跨度连体结构施工难的问题. [关键词]型钢混凝土；悬吊；平台；支撑；施工技术 [中图分类号]TU731.2 [文献标识码]A [文章编号]1002-8498(2014)02-0088-02 Construction for High-altitude and Large-span Suspended Platform Xu Hongyuan' Li Yunlong' Xu Wu' Liu Lanfeng (1.General Company of China Construction Sixth Engineering Bureau Co. Lid.Tianjin 300451 China; 2.Shandong Liaocheng Xingguang Real Estate Development Co.Lid.Liaocheng Shandong 252000 China) Abstract:According to characteristics of high-altitude and large-span steel reinforced concrete connective structure based on engineering practice a new kind of support method was described which used steel bar suspended I-shaped beam platform to support the formwork.The key technologies were introduced in detail including program principle joints construction and the construction process of innovation. Engineering practice shows that this technology was safe and effective to carry the load of the upper part of the structure and construction loads and ensure the safe and quality of construction. Key words:steel reinforced concrete;suspension;platform;supports;construction 1工程概况 聊城星光城市广场位于聊城开发区，总建筑 面积80万m2 包括会展中心、商务办公楼、五星酒 店、会展办公公寓等，是一个城市综合体工程.其 中会展办公公寓高9...

施工技术 2014年3月上 50 CONSTRUCTION TECHNOLOGY 第43卷第5期 D0I:10.7672/5js2014050050 高空大悬挑结构新型斜拉悬模体系设计与施工* 王胜，孙磊，李翠翠 (青建集团股份公司，山东青岛266071) [摘要]针对高空大悬挑混凝土结构的施工难题，结合具体工程实例，创新研究形成了一种适用于高空悬挑结构施 工的新型斜拉悬模支撑体系，利用斜拉钢筋与工字钢挑梁及加固系杆形成高空悬挑模板支撑平台，同时通过试验 测试和有限元模拟，验证了该悬模体系的安全可靠性，并应用于工程实践，取得了良好的技术经济效果. [关键词]模板；高空悬挑结构；悬模体系；有限元分析；试验；施工技术 [中图分类号]：TU755.2 [文献标识码]A [文章编号]1002-8498(2014)05-0050-04 Design and Construction Technology of New Cable-stayed Suspension Formwork System for Overhead Cantilever Structure Wang Sheng Sun Lei Li Cuicui Qingjian Group Co.Ltd.Qingdao Shandong 266071 China) Abstract:For the construction problems of overhead cantilever concrete structures bined with specific examples of projects and innovatively researches this paper proposes a cable-stayed suspension formwork support system which is suitable for overhead cantilever structure construction using cable- stayed steel I-beam cantilever beam and reinforeed tie bars to form the overhead cantilever formwork support platform.At the same time experimental test and finite element simulation verify the safety and reliability of the suspension formwork support system which is used in engineering practice and the good technical and economic effect is achieved. Key words:formwork;overhead cantilever structures;suspension formwork system;finite element analysis;testing;construction 随着人们对建筑外观的要求越来越高，建筑物拉钢筋与工字钢挑梁及系杆形成高空悬挑模板支 大跨度、大悬挑等外观造型越来越多地被运用，这撑平台，并应用于工程实践，取得了良好的技术经 就给高空大悬挑结构的设计和施工带来了较大难济效果. 度.目前，解决此类技术难题主要有以下3种方法：1新型悬模体系设计 ①落地脚手架技术耗用大...

2013年1月下 施工技术 第42卷第2期 CONSTRUCTION TECHNOLOGY 95 高真空击密联合置换法处理油罐软土地基技术 蒲晓芳，楼晓明，徐士龙，贺里平 (上海港湾软地基处理工程（集团）有限公司，上海200092) [摘要]提出了高真空击密联合强夯置换处理油罐软土地基的方法，用建筑垃圾作为强夯置换料，形成置换墩，置 换墩达到下部硬土层，用高真空击密加固墩间土.通过对地基处理过程中墩间土的静力触探试验和标贯试验等检 测分析，以及地基处理后的静载荷试验检测、充水预压效果检测等，发现在该地质情况下采用该方法复合地基能满 足230kPa的使用要求. [关键词]地基；高真空击密；置换墩；承载力；强夯 [中图分类号]TU472 [文献标识码]A [文章编号]1002-8498(2013)02-0095-05 Treatment of the Soft Ground of Oil Tank with High Vacuum Densification and Replacement Pu Xiaofang Lou Xiaoming Xu Shilong He Liping Shanghai Harbor Soft Soil Treatment Engineering Co.Ld. Shanghai 200092 China) Abstract:This paper proposed a method for the treatment of the soft ground for oil tank foundation using a bination of high vacuum densification and bining dynamic replacement methods.Construction wastes were used as the replacement to form a replacement column which reached the hard soil below. High vacuum densification method was then employed to improve the soft soils between the columns.CPT and SPT tests were performed to the soil between columns during the treatment.Static loading tests were performed after the treatment.Trial tests were also performed with water fully charged in the oil tanks. The test results show that the bearing capacity of the posite foundation could satisfy the requirement of 230kPa. Key words:foundations;high vacuum densification;replacement column;bearing capacity; dynamic paction 0引言 形成的复合地基强度增长有限，主要是因为该法对 “高真空击密法”是一种快速加固软土地基的 墩间土承载力提高有限，仅靠形成的墩往往难以满 专利技术，是通过数遍的高真空，并结合数遍合...

2015年5月下 施工技术 第44卷第10期 CONSTRUCTION TECHNOLOGY 23 D0I:10.7672/sgjs2015100023 高温环境下钢管柱柱脚重力灌浆技术 李引胜，薛涛，王晓伟，行宏，石峰 (陕西建工第一建设集团有限公司，陕西西安710068) [摘要]灌浆料具有自流性好，早凝、早强、无收缩、微膨胀等诸多优点，然而在高温环境下自流性受到温度影响，流 清面迅速凝结，空气滞留于结构内部，形成空鼓最终受压开裂，难以保证工程质量.结合延长石油科研中心工程柱 脚灌浆施工过程，温控、改变工艺等措施，改善灌浆料流动性以及整个浇筑过程连贯性.最终提高柱脚灌浆质量. [关键词]高层建筑；钢管柱；重力压浆；降温；流动性 [中图分类号]TU758 [文献标识码]A [文章编号]1002-8498(2015)10-0023-02 Technology of Gravity Grouting of Steel Tubular Column Foot Under the Environment of High Temperature Li Yinsheng Xue Tao Wang Xiaowei Xing Hong Shi Feng (SCEGC No.1 Construction Engineering Group Co.Ltd.Xi'an Shaanxi 710068 China) Abstract:Grouting material has many advantages such as good gravity flow fast hard early strength no shrinkage and micro expansion etc.However due to temperature changes in gravity flow under the environment of high temperature flowing surface rapid condensation air trapped in the internal structure which forming hollowing and finally pressed to crack so it is difficult to guarantee the quality of the project.However with the measures of Yanchang Petroleum Headquarters Tower in construction process controlling the temperature using gravity and changing the process etc.to improve the grouting material flow and the whole construction process of coherence.Finally the quality of column foot grouting is improved. Key words:tall buildings;steel tubular column;gravity grouting;cooling;liquidity 1工程概况 延长石油科研中心项目工程由塔楼和裙楼两 部分组成，总建筑面积为21.7万m2.塔楼地上46 高强无收 缩灌浆料 层，地下3层，建筑高度217.30m 主体结构为钢管 工...

施工技术 2012年6月下 78 CONSTRUCTION TECHNOLOCY 第41卷第367期 高海拔地区机械化组塔施工技术 韩慧，徐聚科 (武警水电第二总队八支队，福厦门361009) [摘要]格尔木至拉萨±400kV直流联网输电路工程是西藏电网与西北电网唯一的联络通道，施工环境复杂劣， 工作量大，工期紧，组塔安全作业难以保证.结合工程实际，通过施工方案优化，确定选用机械化组塔施工技术，介 绍组塔的施工工艺及控制措施.结果表明，机械化组塔技术在高海拔地区的应用能确保工程质量和工期要求. 【关键词]高海拔地区；电路工程：组塔：机械化：施工技术 [中图分类号]TU994;TM754 【文献标识码]A[文章编号]1002-8498(2012)12-0078-03 Mechanization Pylon Erection Technology at High Altitude Area Han Hui.Xu Juke (No.8 Detachment No.2 Hydropower Feree of Armed Police Xiamen Fajian 361009 China) Abstract:Geermu to Lhasa±400 kV HVDC power transmission project is the only cross-passage to Tibet power grid and northwest power grid and it has the characteristics of plex construction environment heavy workload and tight schedule the pylon erection safety is difficult to ensure.Combined with the construction conditions the mechanization pylon erection technology is adopted by scheme selection and the construction process and control treatments of pylon erection is introduced in detail.The results show that the application of mechanization pylon erection technology ensures the construction quality and construction time requirement. Key words:high altitude area;transmission project;pylon;mechanization;construction 1工程概况 机吊装组塔、流水向前作业的新型组塔方式，减少 格尔木一拉萨±400kV直流联网输电线路工程了抱杆的使用，按照工期要求完成了高海拔地区恶 是西藏电网与西北电网唯一的联络通道，8标段线劣条件下137基大开挖基础的组塔施工任务. 路全长102.715km 路径沿线海拔范围在4480~2优化前施工方案 5300m.沿线地形以山地为主，平地主要为草原和 优化前预备采用内悬浮外拉线抱杆分解组塔， 泥沼.其中普土40%、坚土10%、松砂石25%、泥其施工工艺简单、成熟，所用工器具较为轻便、安装 水10%、岩石15%.本标段的施工环境非常恶劣，...

2016年10月上 施工技术 第45卷第19期 CONSTRUCTION TECHNOLOGY 49 D0I:10.7672/5j52016190049 高水位深基坑承压滞水合理疏导及利用技术 芦继忠1，张媛媛1 2，朱建华1 (1.广西建工集团第五建筑工程有限责任工程公司，广西柳州545001；2.桂林理工大学，广西桂林541004) [摘要]根据工程地质情况，设置承压滞水疏导系统，克服圆砾层无法锚固抗浮锚杆的施工难题，“化堵为疏”将滞 水进行合理疏导并加以回收利用，既保护了施工场地的水土资源，又使得基坑滞水得以回收利用，实现绿色施工、 节能环保的目标. [关键词]地下工程：深基坑；承压滞水；疏导；施工技术 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2016)19-0049-03 Dredging and Utilization Technology of Confined Water in Deep Foundation Excavation Lu Jizhong' Zhang Yuanyuan.2 Zhu Jianhua' (1.Guangxi Construction Engineering Group No.5 Construction Engineering Co.Ltd.Liuzhou Guangxi 545001 China; 2.Guilin University of Technology Guilin Guangxi 541004 China) Abstract:Based on engineering geological conditions confined water grooming system was set to solve the construction difficulty.This method can dredge and recycle the water which can protect the environment and realize the goal of green construction and energy saving. Key words:underground;deep foundation excavation;confined water;dredging;construction 1工程概况 输水管道 某工程位于南宁市新竹路1号，地下4层，地上 33层，总建筑面积为69394.2m2 基坑开挖深度 集水箱 25m.持力层为圆砾层，地下水位埋深21m 高于基 集水井 坑底面标高4m 为承压水，水量较大；圆砾层具有透 水系数大、岩层松散等特点，抗浮锚杆无法锚固，给 基坑施工及建筑物抗浮带来了困难. 结合多年的施工经验，决定采用“化堵为疏”的 圆砾层 滤水井滤水管 方式进行地下滞水处理，使得地下滞水得以有效疏 图1滞水疏导系统 导，并加以回收利用，同时能够保持建筑物场地生 Fig.1 Water drainage system 态环境平衡发展，有效进行水土保护，达到环境保 水有组织的疏导至集水井后再统一抽排利用，从而 护的目的. 将地下水的承压水头降低到合理区间，使基础底板 2深基坑滞水疏导系统原理 所承受的水压力处于合理范围，减轻基础底板承受 整个滞水疏导系统由滤水井、滤水管、集水井、 的水压力，防止了底板因水压力过大产生裂缝和降 输水管道、集水箱5部分组成，如图1所示. 低建筑不稳定性. 疏导系统设计及工作原理：根据地质勘察资料 滞...

2013年11月下 施工技术 第42卷第22期 CONSTRUCTION TECHNOLOGY 115 D0I:10.7672/8gjs20132200115 高水位条件下深基坑内钻孔灌注桩施工技术* 王自强，刘洪海2，丁力生2，宋承骞2，王文明1 (1.上海广联建设发展有限公司，上海200438；2.中建三局第一建设工程有限责任公司湖北武汉430040) [摘要]结合工程实际水文与地质情况，针对某超高层建筑钻孔灌注桩在高水位深基坑内施工时发生的孔壁坍塌 及混凝土缺陷情况进行了原因分析.结合分析结果，通过方案比选，采取了针对性的降水、孔口埋设长护筒、组合 多种钻孔方法成孔、加强泥浆指标和混凝土灌注过程控制等措施，确保了灌注柱的工程质量，取得了良好的效果. [关键词]桩基础；深基坑；钻孔灌注桩；降水 [中图分类号]TU753.3 [文献标识码]A[文章编号]1002-8498(2013)22-0115-04 Construction of Bored Pile in Deep Foundation Excavation Under High Water Level Wang Ziqiang' Liu Honghai? Ding Lisheng? Song Chengqian2 Wang Wenming' (1.Shanghai Guanglian Construction and Development Co.Ltd.Shanghai 200438 China; 2.The First Construction Engineering Limited Company of China Construction Third Engineering Bureau Wuhan Hubei 430040 China) Abstract:Combined with actual hydrogeology conditions the reason of bored pile construction quality problems in high water level and in deep foundation excavation are analyzed.Based on the analysis results and scheme selection the pertinence construction treatments are adopted including dewatering pre-burying long guard barrel bination drilling methods and strengthening process control the quality of bored pile is ensured and the good effect is obtained. Key words:piles;deep foundation excavation;bored piles;dewatering 1工程概况 填土、淤泥（局部为淤泥质砂）、粉质黏土已挖除，开 某超高层建筑位于深圳市南山区，场地原始地 挖面以下地层主要为砾质粉质黏土和风化花岗岩. 貌单元为滨海滩涂，后经填海造地成为待建用地. 1)砾质粉质黏土由粗粒花岗岩风化残积而 共设计2栋塔楼，主楼为地上56层，建筑总高度约 成，不均匀含石英砂砾6.0%~47.3%，可塑~硬 240m;附楼为地上33层，建筑总高度约150m.裙 塑，层厚4.30~...

2016年4月下 施工技术 第45卷第8期 CONSTRUCTION TECHNOLOGY 123 D0I:10.7672/8js2016080123 高效低耗水平模架支撑体系承载力研究* 李证吉，袁新和 (中建四局第五建筑工程有限公司，贵州贵阳550003) [摘要]高效低耗水平模板脚手架支撑体系以实现快拆快支、一键连、无零部件施工为特点，同时具有早拆功能，与 塑料工字背楞和塑料模板配合使用实现模板脚手架施工高效低耗的效果.根据足尺试验得到的相关试验数据确 定架体整体刚度，并建立有限元模型，脚手架节点采用半刚性方式.得到了在相关荷载规范框架内的最佳纵跨距、 横跨距及步距组合，为该架体推广使用提供了理论支撑.考虑有无剪刀撑2种失稳模式，并探究该架体在这2种 失稳模式情况下的安全使用高度.研究成果为高效低耗水平模架支撑体系技术规程修订提供理论基础. [关键词]模板：脚手架；高效低耗：支撑；承载力；有限元分析 [中图分类号]TU312 [文献标识码]A [文章编号]1002-8498(2016)08-0123-04 The Bearing Capacity Research on Horizontal Formwork Support System with High Efficiency and Low Energy Consumption Li Zhengji Yuan Xinhe CCFED the Fifth Construction Engineering Co.Guiyang Guizhou 550003 China) Abstract:The horizontal formwork support system with high efficiency and low energy consumption has characteristics of quick and fast branch one key connection and no ponent construction and has early dismantling function which cooperates with plastic back ridge and plastic formwork.Experimental data obtained from the full-scale experiments can determine the overall stiffness of the frame body and finite element model is used and the scaffold joint applies semi-rigid approach.It obtains the best longitudinal span transverse span and step within the relevant load specification.Considering bearing capacity with or without X-bracing of two unstable modes it explores the safe use height in both cases in order to supply theoretical basis for the code revising of horizontal formwork support system with high efficienc...

施工技术 2016年2月下 86 CONSTRUCTION TECHNOLOGY 第45卷第4期 D0I:10.7672/8gis2016040086 高强玻纤岩棉防火保温板弧形屋面施工技术 徐奎学，郭收田，毛倩倩 (中启胶建集团有限公司，山东青岛266300) [摘要]高强玻纤岩棉防火保温板具有绿色环保、应用广泛、抗震性好、耐候性能好、保温、隔热、隔声、防水性能、板 体轻薄的特点，综合成套施工技术，应用于弧形网架屋面，丰富了建筑屋面的外观，同时满足了屋面保温、隔热等功 能.从工艺流程、檩条安装、屋面板安装、屋面有关节点做法及质量控制要点介绍了高强玻纤岩棉防火保温板施工 技术. [关键词]高强玻纤岩棉；抗震；保温；装配式；擦条；屋面板；节点 [中图分类号]TU765 [文献标识码]A [文章编号]1002-8498(2016)04-0086-03 Construction Technology of Arc Roof with High Strength Fiberglass Rockwool Fireproof Insulation Board Xu Kuixue Guo Shoutian Mao Qianqian (Zhonggi Jiaojian Group Co.Lid.Qingdao Shandong 266300 China) Abstract:The high strength fiberglass rockwool fireproof insulation board have characteristics of environmental protection extensive application good earthquake resistance good weather resistance insulation sound insulation waterproof light.Comprehensive construction technology is applied to the roof of curved grid which enrich the appearance of building roof at the same time meet the roof insulation heat insulation and other functions.This paper introduces the high strength fiberglass rockwool fireproof insulation board construction technology from the aspects of technological process purlin installation roof panel mounting roof related joints practices and quality control points. Key words:high strength rockwool fiber;anti-seismic;insulation precast;purlin;roofs;joints 高强玻纤水泥夹芯岩棉保温板适用于任何结适用于弯曲造型的建筑设计. 构的建筑保温屋面，集玻纤水泥板屋面与岩棉板保 适用于有建筑节能要求的各种结构屋面体系， 温复合层为一体，保证建筑屋面的整体质量，屋面 如钢结构、球形网架结构、木结构等屋面应用. 轻薄，减轻建筑荷载，抗震、保温...

2015年11月下 施工技术 第44卷第22期 CONSTRUCTION TECHNOLOCY 49 D0I:10.7672/sgjs2015220049 高大空间复杂钻石形采光顶施工技术 李建华，薛苏庭 (中亿丰建设集团股份有限公司，江苏苏州215000) [摘要]苏州工业园区新越百货广场工程中裙房屋面高大空间上采用复杂钻石形采光顶，其技术含量高，主要采取 的措施有：计算机三维模拟深化技术；节点整体三维模拟放样开模浇铸技术；空间定位放样技术；钢龙骨与铝龙骨 的转接件为76×4.5钢圆管与63×4钢圆管相套组合连接技术；铝龙骨与装饰格栅六爪型不锈钢连接件技术 等.着重阐述了高大空间复杂钻石形采光顶应用中的难点及其施工、质量控制方法等. [关键词]钢结构；玻璃幕墙；采光顶；施工技术 [中图分类号]TU758 [文献标识码]A【文章编号]1002-8498(2015)22-0049-05 Construction Technology of the Tall Space Complex Diamond Shaped Daylighting Roof Li Jianhua Xue Suting Zhongyifeng Construction Group Co.Lid.Suzhou Jiangsu 215000 China) Abstract:The podium building roof in Xinyue Merchandise Plaza in Suzhou Industrial Park uses plex diamond shaped daylighting roof which is difficult to be constructed.During construction some technical measures are taken such as 3D simulation deep technical the whole 3D simulation lofting and opening mould and pouring technical for joints space location and lofting technique 76 x4.5 and 663 x4 steel pipe conversion members connection technique for steel keel and aluminum keel.The authors mainly introduce the key construction points and quality control method of the plex diamond shaped daylighting roof. Key words:steel structures;glass curtain wall;daylighting roof;construction 1工程概况 新越百货苏州项目位于苏州工业园区月廊街 东侧、华池街西侧、翠园路北侧.工程总建筑面积 162921m2 建筑占地面积12162m2 建筑总高 00 00 00 850 8500 8500 98.15m.地下4层，地上22层，主楼为框架剪力墙 结构，裙房为7层框架结构.主体建筑主要分为商 a立而 场部分、停车库部分及写字楼部分，其中商场裙房 地下1层，地上7层，地上7层以上均为商务写字 楼，地下2~4层为停车库.本工程7 8层裙房屋面 共享空间上空设计采用钻石形采...

施工技术 2016年6月上 12 CONSTRUCTION TECHNOLOGY 第45卷第11期 D0I:10.7672/8js2016110012 高大模板支架结构安全状态预警研究 师宝禄 (中铁建设集团有限公司，北京100040) [摘要]为防止高大模板支撑系统在服役过程中发生整体失稳或倒塌，减少伤亡与财产损失，介绍一种圆钢管多功 能模板支架监测系统的原理及其组成，以某工程A座高大模板（支撑架）为工程背景，并通过提取特征值屈曲分析 中的一阶屈曲模态，进行缺陷敏感性分析，之后考虑初始几何缺陷进行非线性有限元分析，给出架体在正常使用状 态与极限状态下的预警值，将预警值导人到开发的软件中进行实时监测，达到预警值时进行报警信息的推送. [关键词]高大模板；脚手架；敏感性；预警值；有限元分析 [中图分类号]TU755.2;TU731.2 [文献标识码]A [文章编号]1002-8498(2016)11-0012-03 The Early Warning Research of High and Large Formwork Support System Safety Status Shi Baolu (China Railway Construction Group Co.Lad.Beijing 100040 China) Abstract:In order to prevent overall instability or collapse of high and large formwork system in the process of its service and reduce casualties and property losses this paper introduces the principle and structure design of a monitoring system of a tubular scaffold it is based on the engineering background of high and large formwork in a building and taking the first mode of eigenvalue analysis as the initial geometrical imperfections to analyze imperfection sensitivity according to the result of nonlinear finite element analysis considering initial geometric imperfections the warning value of normal bearing capacity and ultimate bearing capacity of the frame can be obtained to import into the software so the warning messages can be pushed when the warning value is reached. Key words:high and large formwork scaffolds;sensitivity;early warning value;finite element analysis 1监测系统原理及组成 碗扣式脚手架力学传递方式相比，多功能模板支架 本文采用的多功能模...

2016年1月上 施工技术 第45卷第1期 CONSTRUCTION TECHNOLOGY 63 D0I:10.7672/sgjs2016010063 高填方碳酸盐岩块石地基蠕变特性及蠕变力学模型研究* 沈志平1.2，付君宜1 2，吴斌12 (1.贵州正业工程技术投资有限公司，贵州贵阳550000；2.贵州省岩溶地基工程技术研究中心，贵州贵阳550000) [摘要]通过现场对碳酸盐岩块石高填方地基蟠变试验的研究表明：长期处于湿润状态下的岩石，其在相同应力作 用下，在加载过程中湿润状态的瞬时沉降量明显大于自然状态的瞬时沉降量，但是在加载结束后，两种状态下的 变沉降相差不大.根据自然状态和湿润状态下碳酸盐岩地基蝎变的沉降监测值，建立了碳酸盐岩的经验力学模型 和蠕变力学模型. [关键词]地基；蟠变；经验模型；变模型 [中图分类号]TU471.6 [文献标识码]A [文章编号]1002-8498(2016)01-0063-04 Study on Creep Property and Creep Model for the Rock Foundation of High Fill Carbonate Shen Zhiping.2 Fu Junyi.2 Wu Bin.2 (1.Guizhou Zhengye Engineering and Investment Incorporation Limited Guiyang Guizhou 550000 China; 2.Guizhou Karst Foundation Engineering Technology Research Center Guiyang Guizhou 550000 China) Abstract:Through field test of high fill carbonate foundation it has shown that rocks have been in a long- term moist state the instantaneous settlement of rocks creep in the moist state is significantly greater than the state of nature under the same stress but after the loading the creep settlement was not much difference.According to settlement monitoring value under moist state and nature state of rocks creep this paper established the mechanical model of experience and creep. Key words:foundations;creep;empirical model;creep model 0引言 (Q)红黏土硬塑~可塑状态，场地内普遍分 喀斯特地貌在我国广泛分布，尤其是西南各布，厚度3~5m;填方区下伏基岩主要为薄层灰岩， 省.随着中国西部山区基础设施建设的迅猛发展，少量中厚层泥质石灰岩.本工程岩层岩体较破碎， 高填方地基日益增多，其长期工后沉降直接关系到 主要为中风化.岩石主要为中厚~厚层白云岩、 机场、高速公路和铁路等设施的正常使用.目前薄~厚层灰岩及中厚~厚层含泥质灰岩.填料黏 对于碳酸盐岩的室内试验已经获得大量成果，但是...

2011年10月下 施工技术 第40卷第351期 CONSTRUCTION TECHNOLOGY 67、 高填方涵洞EPS板减荷施工技术研究 曹周阳，王晓谋，顾安全，姜峰林2 (1.长安大学公路学院，陕西西安710064；2.广东省冶金建筑设计研究院，广东广州510000) [摘要]由于高填方涵洞受力过大，通常所设计的涵洞结构尺寸大、造价高、病害多.因此，在以往研究的基础上， 通过室内外试验，将一定厚度的EPS板铺设在盖板涵顶部进行减荷，结果表明：EPS板能够显著减小涵顶土压力， 试验测得涵顶土压力为土柱压力的0.28~0.47倍.同时，分析了EPS板在各种机械施工荷载作用下的受力情况， 根据计算结果，提出了一套EPS板顶进行土体回填的具体施工技术，并在实际工程中验证了该套技术的可行性，不 但保护了EPS板及达到减荷效果，而且保证了工程质量. [关键词]公路；高填方涵洞；EPS板；施工技术 [中图分类号]U449 [文献标识码]A [文章编号]1002-8498(2011)20-0067-04 Study on Construction Technology of Load Reduction with EPS Board for High Filling Culvert Cao Zhouyang' Wang Xiaomou' Gu Anquan' Jiang Fenglin2 (1.Highway College Chang'an University Xi'an Shaanxi 710064 China: 2.Guangdong Metallurgy and Architecture Design Institute Guangzhou Guangdong 510000 China) Abstract:Due to the large earth pressure of high filling culverts the mon.culvert structure has large size high cost and many diseases.Therefore on the basis of past research through indoor and outdoor tests a certain thickness EPS board is laid on the top of plate culvert to reduce the load.The results show that laying EPS board can significantly reduce the earth pressure on the top of culvert.The earth pressure on the top of culvert which is obtained from the tests is 0.28 to 0.47 times of that earth column pressure on the top of culvert.Meanwhile the stress conditions of EPS board with a series of mechanical construction loads are analyzed.According to the calculation results a set of specific construction technology for backfi...