施工技术 2012年12月下 26 CONSTRUCTION TECHNOLOGY 第41卷第379期 深厚软土地基沉井围护结构设计与施工 肖策 (天津二十冶建设有限公司，天津300301) [摘要]珠海横琴新区A号路污水泵站坐落在在深厚淤泥质地区，由于地基承载力和井壁侧摩阻力不足，常规大开 挖施工、地下连续墙施工和逆作法施工非常困难.采用石灰粉喷桩和高压旋喷桩加固软土地基，提高地基承载力 后进行沉井施工，工程质量和安全得到有力保证，顺利按工期要求完成沉井施工作业. [关键词]沉井；深厚淤泥；高压旋喷桩；石灰粉粉喷桩；承载力 [中图分类号]TU753.64 [文献标识码]A [文章编号]1002-8498(2012)24-0026-04 Design and Construction of Open Caisson Enclosure Structure in Deep Soft Soil Condition Xiao Ce The 20th Metallurgy Construction Company of Tianjin Tianjin 300301 China) Abstract:The sewage pumping station in Road A of Hengqin New City Zhuhai is situated in deep soft soil area.Because of poor load capacity of the earth and insufficient side friction along the sidewall of open caisson wells it is difficult to adopt the normal construction methods of big excavation underground diaphragm and up-down construction.During open caisson construction the soft soil earth was reinforced by lime dry jet mixing piles and high pressure jet grouting piles to improve its load capacity.The open caisson construction was pleted within the scheduled construction time with.The construction method also insures the engineering quality and safety. Key words:open caisson;deep silt;high pressure jet grouting pile;lime dry jet mixing pile; bearing capacity 1工程概况 沉积的流塑状淤泥.软土（地层代号③，，③）层厚 珠海横琴新区A号路污水泵站位于拟建环岛度11~13.6m 具有高含水量、高压缩性、大孔隙比、 北路AK3180南侧，地基处理面积约为 高灵敏度、低强度等特性，具流变、触变特征，淤泥 1663.2m2.场地地基大部分采用CFG桩进行软基 砂层厚0.5-1.0m;黏土、砾质性黏土层厚1.2~ 处理，设计桩身混凝土强度等级为C15 呈正三角形 2.8m.对工程建设不利的软弱土层，易导致基础沉 布置，间...

2016年7月上 施工技术 第45卷第13期 CONSTRUCTION TECHNOLOGY 67 D0I:10.7672/5js2016130067 深厚软土地区CM复合地基相互作用特性研究* 许少辉，张旭群1，袁炳祥2 (1.广州地铁设计研究院有限公司，广东广州510000；2.广东工业大学土木与交通工程学院，广东广州5100086) [摘要]通过ABAQUS有限元软件进行建模计算分析，研究了在含深厚软土地区，CM复合地基中C桩桩数和M桩 桩长的不同设置形式对该类型复合地基承载特性的影响.结果显示，在该典型地质条件下，桩桩数对地基沉降 量起控制作用，随着C桩桩数量的增加，C桩桩顶应力集中现象愈加明显，从而增大了C桩的荷载分担比例.随着 M桩桩长的增大，M桩桩土应力比及其荷载分担比例也随之提高，但影响程度较小，桩仍分担了较大比例的上部 荷载.此外，M桩的长度对地基沉降量的影响并不大.在进行工程设计时，桩的桩数可根据上部作用荷载的大 小及地基沉降要求进行合理布置，M桩桩长的选取需根据软土层厚度及地基附加应力场进行综合考虑. [关键词]地基：垃圾填埋场桩；深厚软土；CM复合地基；承载力；沉降 [中图分类号]TU753 [文献标识码]A[文章编号]1002-8498(2016)13-0067-05 Action Characteristic of CM Composite Foundation in Deep Soft Soil Area Xu Shaohui' Zhang Xuqun' Yuan Bingxiang (1.Guangzhou Metro Design and Research Institute Co.Ld.Guangzhou Guangdong 510000 China: 2.School of Civil and Transportation Engineering Guangdong University of Technology Guangzhou Guangdong 510006 China) Abstract:In this paper by using ABAQUS finite element analysis software for modeling analysis the role of the number of C-pile and the length of M-pile are studied in order to analyze their influence degree for CM posite foundation in the deep soft soil area.Results show that in this typical geological condition the number of C-pile is the most important factor for the settlement value of the CM posite foundation.With the of the number of C-pile increases the stress concentration phenomenon for the top of C-pile is mores obvious and it can increase the load sharing ratio of C-pile.With the length of M-pile incr...

2010年9月 施工技术 第39卷第9期 CONSTRUCTION TECHNOLOGY 85 深厚软土中高桩承台塔式起重机基础稳定性分析 王辉，管昌生2，李鹏2，张喜2 (1 中慢建筑第三工程局有限公司，湖北武汉430042：2.武汉理工大学土木工程与建筑学，湖北武汉430070) [摘要]从塔式起重机整体抗倾覆稳定、塔基承台稳定、桩基稳定和桩自由端整体稳定4个方面对高承台塔式起重 机基础的穆定性进行了分析，并针对此类塔式起重机在武没万达广场项中的应用，通过理论分析和MDAS有限 元分析件模拟，得出风载等水平荷戴以及基悦底部土体的抗侧移力对高承台塔吊基础的稻定性具有决定性 作用，而基础承载力和坚沉降变形一般都能够满足要求. [芙键词]塔式起重机基础：深厚土：高承台雄：稳定性 [中分类号]TU61:TU433 [支献识码]A [支章编号]1002-8498(2010)09-0085-04 Analysis on Stability of Tower Crane Foundation with Elevated Pile Foundation in Deep Soft Soil Wang Hui' Guan Changsheng Li Peng2 Zhang Xi2 (1.China Construction Third Engineering Bureau Co. Lid. Wuhan Hubei 430042 China: 2.Ciril Engineering Architecture School Wuhan University of Technology Wuhan Hubei 430070 China) Abstract:The stability of tower crane foundation with elevated pile foundation is analyzed by researching on anti-overturning stability of the whole tower crane stability of pile cap and pile and the overall stability of the free end of four piles in foundation with elevated pile foundation.Based on tower erane in Wanda Plaza projeet in Wuhan by theoretieal analysis and finite element analysis with MIDAS it indicates that wind loads and other horizontal loads as well as the anti-sway capability of bottom soil in foundation excavation play a decisive role in the stability of the foundation while foundation bearing capacity and vertical settlements deformation can generally meet the requirements. Key words:tower crane foundation:deep soft soil:elevated pile foundation:sta...

施工技术 2016年7月上 18 CONSTRUCTION TECHNOLOGY 第45卷第13期 D0I:10.7672/5js2016130018 深厚硬岩钻孔灌注桩大直径潜孔锤成桩综合施工技术 尚增弟，王晶，雷斌，李红波，叶坤，左文荣，宋明智 (深圳市工勘岩土集团有限公司，广东深圳518026) [摘要]深厚硬岩地层施工钻孔灌注桩时，采用传统成孔技术施工易出现无法钻进、施工效率低等现象，普遍存在 入岩困难问题.在综合分析潜孔锤钻机和旋挖钻机各自施工优势的基础上，提出了采用改进的120mm大直径 潜孔锤配合旋挖钻机的综合施工技术，具有硬岩钻进速度快、成桩质量好的特点，并对其工作原理、施工工艺流程、 技术特点进行了深入研究. [关键词]桩基础；钻孔灌注桩；深厚硬岩；大直径潜孔锤；施工技术 [中图分类号]TU753.3 [文献标识码]A [文章编号]1002-8498(2016)13-0018-04 Comprehensive Construction Technology of Large Diameter DTH Hammer in Deep Hard Rock for Bored Pile Shang Zengdi Wang Jing Lei Bin Li Hongbo Ye Kun Zuo Wenrong Song Mingzhi Shenzhen Gongkan Geotechnical Group Co.Ld.Shenzhen Guangdong 518026 China) Abstract:For deep hard rock formation the traditional construction technology has problems of unable to drill low efficiency and difficult in entering the rock.In the prehensive analysis of DTH hammer drill and rotary digging pile drill based on the respective advantages in construction this paper puts forward prehensive construction technology of improved large diameter hammer and rotating drill with characteristics of hard rock drilling speed and good quality and lucubrating its working principle construction process technical characteristics. Key words:piles;bored piles;deep hard rock;large diameter DTH hammer;construction 0引言 挖钻机清孔捞渣、成桩.经实际工程检验，此项综 随着大城市建设快速发展，近年来深圳地区基 合施工技术具有施工速度快、成桩质量好、安全可 坑开挖深度超过20m的建筑工程越来越多，钻孔灌 靠、降低施工成本等优点，适用于深厚硬岩地区的 注桩入岩成为十分普遍的现象，特别是在基岩层埋 钻孔灌注桩成桩施工. 深较浅地区，钻孔桩的入岩深度越来越大.在厚硬 1工程概况 岩地区单一采用冲孔桩、旋挖钻机施工时，成孔过 1...

施工技术 2015年7月上 60 CONSTRUCTION TECHNOLOGY 第44卷第13期 D01:10.7672/sgis2015130060 深厚砂层及卵砾石层中成槽的TRD工法挖掘液 配制方法与应用 褚立强 (上海智平基工程有限公司，上海200060) [摘要]利用膨润土配制的挖掘液泥浆适用于黏性土、粉质土层中的TRD工法成槽，经过改进后的挖掘液配制方法 更适用于以砂层及卵砾石层为主的地层内成槽施工.结合工程实例，详细介绍了以黏土（颗粒度调整材料）代替膨 润土的挖掘液配制计算方法.实践证明，在TRD工法施工过程中，该种以颗粒度调整材料配制的挖掘液在深厚砂 层和卵、砾石地层为主的地层中有良好的适应性. [关键词]地下工程；TRD工法；颗粒度；砂层；卵砾石层 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2015)13-0060-04 Digging Fluid Preparation Method and It's Application of TRD Method in Deep Sand and Gravel Layer Chu Liqiang Shanghai Zhiping Foundation Engineering Co.Ld.Shanghai 200060 China) Abstract:Digging fluid prepared by bentonite is used for TRD method in cohesive soil and silty soil.The improved method is more suitable for sand and gravel layer.Based on engineering practice this paper mainly introduced calculation method of digging fluid preparation using cohesive soil instead of bentonite. Engineering practice shows that this improved digging fluid is suitable for TRD method in deep sand and gravel layer. Key words:underground;TRD method;granularity;sand layer;gravel layer 0引言 侧为长江，本工程地下室边线距离长江堤岸最近处 武汉长江航运中心大厦暨民生路长航小区扩 仅约60m 已经进入堤防保护线5~6.5m. 建工程基坑围护采用地下连续墙和TRD工法止水 沿江大道下分布有电力、光纤、电信、路灯、给 帷幕，基坑开挖深度18.9~22m 局部开挖深度排水等管线.红线内场地西北侧分布1幢14~16 28.9m.本工程地层中含砂量较大，其中纯细砂（铁 层保留居民楼，距离本工程地下室10~14m 在基坑 板砂)层厚度约20m 中细砂夹卵砾层厚度3~4m、1倍开挖深度范围内，采用的预制桩桩端标高 其余地层内含砂量亦较大.参考国内外相关施工7.400m(相对本工程±0.000为-18.700m) 本工 经验，采用了以优质黏性土代替膨润土的挖掘液配 程基坑普遍开挖深度-18.300m 开挖面位于其桩 制形式，改善了挖掘液悬浮砂颗粒的性能，减小了 端以上400mm. 施工推进的阻力，取得了较好的效果. 2工程地质条件 1工程概况 地...

2017年1月下 施工技术 第46卷第2期 CONSTRUCTION TECHNOLOGY 39 D0I:10.7672/5gj82017020039 深厚砂夹卵石复杂地层深孔大直径钻孔桩施工技术 杨齐海，张春新 (中铁大桥局集团有限公司，湖北武汉430050) [摘要]以蒙华铁路公安长江公铁两用特大桥为典型实例，介绍了4号主塔墩基础钻孔桩施工技术.该墩基础采 用36(2.8-3.1)m变直径钻孔桩，桩长90m 其下为很厚的砂夹卵石覆盖层，钻孔施工能否顺利穿过该层是本工 程的难点与关键.施工中选用大功率、高扭矩KPG3000型旋转钻机施钻，配备大管径吸泥机及时吸出大粒径钻渣. 采用“慢转速、少给进、勤给进”的低压钻进工艺，成功解决了钻进成孔难题. [关键词]桥梁工程；基础工程；主塔墩；钻孔桩；施工技术 [中图分类号]TU753.3 【文献标识码]A [文章编号]1002-8498(2017)02-0039-04 Construction Technology of Deep Hole Large Diameter Bored Pile in Deep Sand and Gravel Stratum Yang Qihai Zhang Chunxin China Railway Major Bridge Engineering Group Co.Lad.Wuhan Hubei 430050 China) Abstract:This paper introduces the construction technology of bored pile in the main tower of No.4 main tower which is a typical example of the Gongan Yangtze highway and railway bridge.The pier foundation applies 36 (2.8~3.1)m variable diameter drilling pile the pile length is 90m which is very thick sand cobble layer and drilling smoothly through the layer is the difficulty and key of the project.High power and high torque KPG3000 type rotary drilling rig equipped with suction machine is used to promptly suck large diameter drilling waste slag in construction of large diameter drilling.The low voltage drilling technology of slow speed small feeding and often feeding successfully cracked the drilling problem. Key words:bridges;foundation engineering;main tower pier;bored pile;construction 1工程概况 小一江陵江北) 公安（江）一心 1.1工程简介 蒙（西）华（中）铁路系国内首条煤运重载铁路， 2145m 公安长江公铁两用特大桥为其全线控制性工程之 一.大桥主桥采用...

工技术 2012年4月下 56 CONSTRUCTION TECHNOLOGY 第41卷第363期 深厚淤泥质土层中半逆作法基坑支护设计与分析 董利华，邢国然，刘有才，吉红波 (浙江中战建工集团有限公司，浙江绍兴312000) 【摘要]以绍兴好望大厦半逆作法工程为工程背景，考虑软土本构关系与结构空间效应，采用有限元软件PLAXIS 和ANSYS评估开挖过程中支护体系动态响应、基坑安全性以及环境影响，有效地解决了半逆作法基坑的支护结 构、支撑系统及变形预测等设计关键技术间题.监测数据表明基坑安全可靠，取得了较好的经济社会效益. 【关键词]地下工程：基坑；支护；淤泥质土；半逆作法；有限元分析 [中图分类号]TU753.1 [文献标识码]A [文章编号]1002-8498(2012)08-0056-05 Design and Analysis of Foundation Excavation Supports with Semi Reverse Construction Method in the Deep Muddy Soil Dong Lihua Xing Guoran Liu Youcai Ji Hongbo Zhejiang Zhongcheng Construction Group Co.Ltd.Shaoxing Zhejiang 312000 China) Abstraet:Considering soft soil properties and 3D structural effeets semi-reverse foundation excavation of Haowang Building in Shaoxing is analyzed by finite element analysis software PLAXIS and ANSYS.Then the dynamical response of foundation excavation supports is calculated and safe behaviors and environmental effects are obtained.Thus some key design problems as retaining system optimization and deformation predictions can also be effectively solved.Monitoring results show that the foundation excavation is safe and reliable meanwhile good economical and social benefits are gained. Key words:underground;foundation excavation;supports:muddy soil;semi reverse construction method;finite element analysis 1工程概况 一条水泥道路，道路下分布有市区污水总管和煤气 绍兴好望大厦是一栋集办公、营业及商业于一管线，与地下室外墙边线最近距离约2m 需要重点 体的高档写字楼，建成后为绍兴市城北商务地标建 保护. 筑.工程主体由一幢27层主楼、一幢27层附楼和2工程地质情况 3层裙房组成，地下室2层，总用地面积13831m2 根据业主提供的地质资料，基坑开挖深度影响 总建筑面积99468m2 总高度99....

2013年10月上 施工技术 第42卷第19期 CONSTRUCTION TECHNOLOGY 65 D0I:10.7672/sgjs2013190065 深厚富水圆砾层桩基础加固技术 牛建东，梁专明2，谭旭亮3 (1.北京交通大学土木建筑工程学院，北京100044；2.湖南省测设计院，湖南长沙410014； 3.中南大学土木工程学院，湖南长沙410075) [摘要]以实际工程为例，探讨了高压旋喷桩加固深厚富水圆碟层形成灌注桩桩端持力层的可行性，并对其加固效 果进行了现场检测.介绍了加固方案的设计，旋喷桩灌浆后承载力计算分析以及旋喷桩的质量控制要点.检测结 果表明，经过处理后的桩端持力层承载力满足设计要求. [关键词]地下工程；桩基础；加固；高压旋喷桩；圆砾层；检测 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2013)19-0065-03 Pile Foundation Reinforcement in Deep Rich Water Round Gravel Niu Jiandong' Liang Zhuanming Tan Xuliang' (1.School of Engineering Beijing Jiaotong University Beijing 100044 China; 2.Hu'nan Institute of Survey and Design Changsha Hu'nan 410014 China; 3.School of Civil Engineering Central South University Changsha Hu'nan 410075 China) Abstract:Based on engineering practice this paper discussed feasibility of the high pressure jet grouting pile strengthening bored pile foundation in deep rich water round gravel layer and its reinforcement effect is tested.This paper introduced the design of strengthening plan bearing capacity of jet grouting pile after grouting and its quality control points.Test results show that pile bearing capacity can meet the design requirements after reinforcement. Key words:underground;piles;strengthening;high pressure jet grouting pile;round gravel layer;detection 灌注桩有时因地质条件的复杂性，经常遇到桩利影响.根据勘察报告，场地内揭露地层自上而下 端承载力不足的情况，深厚富水圆砾层作为桩端持依次为：①杂填土稍密~中密、稍湿，主要成分为 力层就是其中的一种.富水圆砾层中地下水含量粉质黏土、砂砾土，硬杂质含量约占1%，揭露层厚 丰富，成桩困难且在成桩过程中基底原状地层遭到1.5~4.8m.②粉质黏土硬塑~坚硬，夹灰白色 破坏，给基础承载力带来不利影响，因而有必要对 条纹，具明...

2011年10月上 施工技术 第40卷第350期 CONSTRUCTION TECHNOLOGY 47 润华环球大厦深基坑支护方案优化 黄志强1，耿丽2，李效萌，杨春1 (1.中国地质大学（武汉）工程学院，湖北武汉430074； 2.华中科技大学土木工程与力学学院，湖北武汉430074) [摘要]以苏州润华环球大厦深基坑工程为研究对象，通过技术和经济比较合理的选择支护方案，并以Z_SOIL.PC 专业岩土程软件为工具，分析各工况下围护结构的受力变形特性及周围土层位移.结果表明，采取土钉墙和围护 桩二道内支撑的方案相对于围护桩三道内支撑方案在受力性能上差别不大，但是技术经济效益却很明显，对 于基坑支护的设计具有一定的指导意义. [关键词]地下工程；深基坑；支护；优化 [中图分类号]TU753 [文献标识码]A[文章编号]1002-8498(2011)19-0047-03 Supporting Scheme Optimization for Deep Foundation Excavation in Runhua Global Building Huang Zhiqiang' Geng Li Li Xiaomeng' Yang Chun' (1.Faculty of Engineering China University of Geosciences Wuhan Hubei 430074 China; 2.School of Civil Engineering Mechanics Huazhong University of Science and Technology Wuhan Hubei 430074 China) Abstract:Based on deep foundation project in Runhua Global Building in Suzhou authors make reasonable choice of support scheme by technologic and economic parison.They make analysis on bearing and deforming behavior of retaining structure and displacement of around soils under several working conditions with Z_SOIL.PC.The results show that there is little difference on the mechanical behavior between the scheme of soil nailing wall and fender piles with two layers of supports and the scheme of fender piles with three layers of supports.However the first scheme has brought the obvious technology economic efficiency which offers reference to foundation supporting design. Key words:underground;deep foundation;excavation;support;optimization 1工程概况 工车辆通过围堰跨相门塘出行. 1.1基...

2015年7月下 施工技术 第44卷第14期 CONSTRUCTION TECHNOLOGY 33 D0I:10.7672/8js2015140033 浦东金融广场0460C厚板柱十字-箱形 转换构件制作技术* 申屠辉宏，朱红兵，张建军，耿军军 (中建钢构有限公司，广东深圳518040) [摘要]在钢结构工程中，转换构件是由两种或多种常规构件搭配使用，以完成多种设计功能的特殊构件.依托上 海浦东金融广场项目，在深入研究并实践的基础上，重点介绍了Q460C超厚板十字形转箱形柱转换构件的加工制 作过程以及相关的焊接工艺. [关键词]高层建筑：钢板柱；转换构件；焊接；制作 [中图分类号]TU758.16 [文献标识码]A[文章编号]1002-8498(2015)14-0033-03 Q460C Thick Plate Column Manufacture Technology of Cross Shape Converting into Box Type of Pudong Financial Plaza Shentu Huihong Zhu Hongbing Zhang Jianjun Geng Junjun China Construction Steel Structure Co.Ld.Shenzhen Guangdong 518040 China) Abstract:Conversion ponent is the special one that is posed of two or more conventional mix of ponents in order to plete a variety of design features in steel structure projects.This paper relies on the Pudong Financial Plaza project in which the Q460C thick plates are extensively used.Based on the in-depth study and practice we will focus on the fabrication processes and the related welding technologies of conversion ponent which is from cross to box column. Key words:tall buildings;steel plate column;conversion ponent;welding;manufacture 1工程概况 浦东金融广场项目位于上海市浦东新区世纪 大道，东临南泉北路，西靠浦东南路，南贴商城路， 北近世纪大道，南侧的商城路下设有地铁9号线，北 侧的世纪大道下则有地铁2号线.项目包括3栋办 公楼以及1栋商业楼.此外，紧靠1号楼西侧在首 层有1栋单层公交终点站结构，其屋顶同时具备广 场的功能，具体效果如图1所示. 本工程钢结构主要分布于6个部分，T1塔楼， T2塔楼，T3塔楼，商业楼，公交枢纽，地下室.钢结 构总用量约5.4万t.其中，T2和T3塔楼为核心筒 框架结构体系，F16层以下结构形式一致，T2塔楼 图1工程效果 F16层以上仍采用普通柱梁结构体系，T3塔楼F16 Fig.1 The engineering effect 层以上外框向内收缩，形成由顶部钢拉杆拉设的吊 挂钢柱外立面.外...

2015年11月上 施工技术 第44卷第21期 CONSTRUCTIONTECHNOLOGY 107 DOI:10. 7672/sgjs2015210107 浅谈绿色施工成本和效益 许宁，谭立新，范艺林 （中国建筑第五工程局有限公司，湖南长沙410004） [摘要】结合长沙市河西交通枢纽工程，介绍了渣土车冲洗节水措施、箭尾承插式新型支模脚手架体系节材措施以 及空气能供热设备节能措施等在工程中的应用，并将绿色施工措施与传统施工方式对比，通过施工工艺、施工成本 和效益分析，来探讨一些绿色施工应用的投入成本和回收效益之间的平衡问题。

[关键词]绿色建筑；绿色施工；投入成本；回收效益 [中图分类号】TU74 [文献标识码]A [文章编号]1002-8498(2015）21-0107-03 IntroductionoftheGreenConstructionCostsandBenefits Xu Ning,Tan Lixin，Fan Yilin (China Construction Fifih Engineering Division Co.,Lid.,Changsha,Hu’nan 410004,China) Abstract:In this article，some scientific management and green construction technology were applied in the Changsha Hexi Transport Hub project, including muck car washing water-saving measures，nock socket type branch die scaffold system material saving measures and air to heating equipment energy conservation measures.Moreover the parison of the green construction measures and traditional construction methods was carried out，and the construction technology，construction cost and benefit were also analyzed in order to explore the balance problems of some green construction application between input cost and recycling benefit. Key words:green buildings;green construction; input costs;recycling benefits 1工程概况 2.1渣土车冲洗节水措施 长沙市河西交通枢纽工程位于湖南省长沙市岳 本工程的土方开挖面积约5.2万㎡²，基坑深约 麓区望城坡（见图1），工程总建筑面积约31.5万㎡²，6m，土方施工阶段工期长，跨越长沙市的冬季和雨 工程总投资约28亿元，采用旋挖桩基础，框架剪力季，降水较多，且根据地质勘察报告可知地下水丰 墙结构。

由6个单位工程组成，其中地下室为2层，富，均为可利用中水。

土方工程采用分片区轻型管 地上4～25层。

本工程绿色建筑要求达到住房和城 井降水排水措施，保证现场施工安全。

每个降水区 乡建设部二星级绿色建筑标准。

在基坑边或者后浇带中每隔2m设置降水孔，孔内 安装管壁均匀开渗水孔的PPR排水管，集中从PPR 管抽水汇流至集水井，再由抽水泵抽水排人洗车槽 的沉淀池和蓄水池，既达到基坑施工降水效果，又 为中水收集提供来源。

经过三级沉淀后形成的中 水，通过装配式高效封闭自动洗车棚对土方施工阶 段渣土车、材料车进行清洗，同时定期对沉淀池中 泥砂进行清理，保证循环用水中泥砂含量较低，能 图1工程鸟瞰图 多次循环使用，达到节水目的。

Fig.1An aerial view of the engineering 2.2投入成本组成 2渣土车冲洗节水措施应用的成本和效益分析 该项节水措施的投入成本共40.5万元，共分为 如下5项费用。

[作者简介]许宁，高级工程师，E-mail172587595@q. [收稿日期]2015-06-04 万方数据
108 施工技术 第44卷 2.2.1基坑内降水排水的施工措施费及材料费 应用于本阶段的临时道路、施工现场的降尘防尘和 每个降水片区约6000m²，布置轻型管井所用钻 路面清扫等方面。

相比传统施工中的临时用水采 孔费用约2.5万元，PPR排水管材料费用约0....

施工技术 2014年1月上 CONSTRUCTION TECHNOLOGY 第43卷第1期 D0I:10.7672/8gis2014010004 浅谈几项新技术的改革创新 杨嗣信 (北京建工集团有限贵任公司，北京100045) [摘要]对我国近几年来一些重要施工项目，如钢筋工程、混凝土工程、模板工程等的发展情况进行了总结，并对这 些项目的产业化发展提出了问题和建议. [关键词]模板；混凝土；防水；产业化；施工技术 [中图分类号]TU74 [文献标识码]A [文章编号]1002-8498(2014)01-0004-03 Discussion on Reform and Innovation of New Construction Technologies Yang Sixin Beijing Construction Engineering Group Co. Ltd.Beijing 100045 China) Abstract:This paper summarized the development of some construction project such as reinforcement concrete waterproof and so on and then provided some advices for their industrialization development. Key words:formworks;concrete;waterproofing;industrialization;construction 在新的一年里，各行各业都应该积极贯彻执行 安全、便于管理，一般均由专业施工队伍进行施工. 中共中央十八届三中全会的深化改革的精神，同样 今后可否扩大使用范围，在高层钢筋混凝土剪力墙 在建筑行业中也应该有新的发展.尤其是在技术 结构工程中（不仅是核心简）全面采用这种新工艺， 领域中，对一些重要的施工项目（如钢筋混凝土、防 国外在这方面已有先例. 水等)以及在工业化施工和产业化等重要改革方面 4)积极采用各种“快拆体系”该技术是现浇 应不断创新，赶上世界先进水平. 混凝土水平构件支、拆模的一项重要推广项目，可 1模板工程 节省大量模板，最近北京已经编制了地方标准和企 模板工程的现状是组合定型模板（钢或钢木混 业标准. 合模板)仍较少使用，散装散拆的木模板仍然使用 5)大力推广各种“永久式模板”目前在装配 较为普遍，以钢代木也不景气.各种现浇构件的面 式钢筋混凝土工程中已经开始推广应用，下一步建 板仍较多采用多层胶合板（或竹胶板），耗用了大量 议在一般现浇混凝土结构中也能大面积推广.早 木材.近年来开始出现了铝模板和塑料定型模板， 在20多年前，北京已在100多万m2的住宅和公共 尤其在我国南方地区发展较快.对今后模板工程 建筑中使用过，这项工艺有着非常成熟的经验，可 的发展提出以下几点建议. 以节省模板. 1)把模板定型化、工具化和标准化放在首位， 6)积极推广传统的一些模板新技术，应因地制 目的是为了提高模板周转次数、减少损耗，定型模 宜采用滑升模板、滑框倒模技术、飞模、玻璃钢圆柱 板的使用已经有较为丰富的经验. 模、隧道模、桁架支模等，并利用各种新型脚手架 2)要进一步研究推广塑料和铝合金定型模板， (如碗扣架、插接式架等)作水平混凝土构件的支撑 少用或不用木模板. 系统，对加快施工进度、降低成本都有明显的作用. 3)推广“液压爬模”目前该技术发展较快，在 2钢筋工程 超高层或普通高层（超过25层）建...

施工技术 2015年10月上 106 CONSTRUCTION TECHNOLOGY 第44卷第19期 D0I:10.7672/8js2015190106 浅埋黄土隧道安全进洞施工技术措施* 刘希亮，杨海涛1，刘招伟2 (1.河南理工大学土木工程学院，河南焦作454000；2.中铁隧道集团，河南洛阳471009) [摘要]以兰山隧道洞口V级围岩浅埋段施工为例，对采用三台阶临时仰拱法进洞施工中产生的沉降、裂缝较大等 问题进行了原因分析，并提出了加密临时仰拱、增加临时竖撑及斜撑、洞口两侧施作反压墙等一系列措施.通过以 上措施的及时施作，有效控制了围岩的变形及裂缝的发展，确保了隧道安全进洞. [关键词]隧道工程；浅埋黄土；沉降；裂缝；施工技术；监测 [中图分类号]U459.1[文献标识码]A[文章编号]1002-8498(2015)19-0106-04 Construction Technology Measures of Safety Breaking into a Shallow-buried Loess Tunnel Liu Xiliang' Yang Haitao Liu Zhaowei (1.School of Civil Engineering He'nan Polytechnic University Jiaozuo He'nan 454000 China; 2.China Railway Tunnel Group Luoyang He'nan 471009 China) Abstract:Based on the shallow-buried loess tunnel portal construction of the Lanshan tunnel in surrounding rock of grade V this paper introduces the construction problems of larger settlement and cracks by using three-bench and temporary inverted arch construction method.After analyzing the causes this papers proposed the solutions including encryption temporary inverted arch increasing brace building backpressure wall and other measures.Through the above measures it is effective to restrain the development of settlement and cracks ensuring the safety of breaking into a shallow-buried loess tunnel. Key words:tunnels;shallow-buried loess;settlement;cracks;construction;monitoring 1工程概况 隧道通过处为黄土梁峁沟壑相间的地貌，山坡 宝兰客运专线兰山隧道全长5452.8m 为双线普遍发育黄土陷穴.经现场查勘，其掌子面新挖土 铁路隧道，设计时速为250km.隧道出口位于兰州 体（尤其是洞口附近）含水率较高，手攥脚踩十分松 市七里河区八里镇崖头村，设计洞口里程为 软，远望洞口所在山坡，黄土陷穴较多. D...

2016年4月上 施工技术 第45卷第7期 CONSTRUCTION TECHNOLOGY 113 D0I:10.7672/8js2016070113 浅埋隧道围岩位移及应力变化规律研究* 邓洪亮，陈鸽，郭洋，王思森，武胜林2 (1.北京工业大学建筑工程学院，北京100124；2.北京工业职业技术学院，北京100042) [摘要]采用有限元软件MIDAS/GTS对黄董坡隧道的开挖过程进行了数值模拟，分析了浅埋隧道的围岩变形规律 和受力情况.同时结合现场监测数据，最后得出围岩位移最大值和应力最大值分别出现在拱顶部位和拱腰部位的 结论，因此控制隧道拱顶沉降和缓解拱腰部位的应力集中现象是浅埋隧道施工中的重要环节，这就要求进行必要 的超前支护、及时施做初期支护以及密切监测危险区域，确保施工安全. [关键词]地下工程：隧道；浅埋隧道；数值模拟：围岩；位移；应力 [中图分类号]U456.3 [文献标识码]A [文章编号]1002-8498(2016)07-0113-05 The Research on Displacement and Stress Variation Rule of Surrounding Rock in the Shallow Buried Tunnel Excavation Deng Hongliang' Chen Ge' Guo Yang' Wang Simiao' Wu Shenglin2 (1.College of Architecture and Ciril Engineering Beijing University of Technology Beijing 100124 China: 2.Beijing Polytechnic College Beijing 100042 China) Abstract:Using finite element analysis software MIDAS/GTS to numerically simulate the excavation process of Huangdongpo shallow buried tunnel analyze the surrounding rock deformation and stress distribution of the shallow buried tunnel.At the same time bined with the field monitoring data finally it is concluded that the maximum displacement and the maximum stress of surrounding rock appeared in the vault and the arch waist position respectively so it is important to control the subsidence of the tunnel vault and alleviate the stress concentration of the arch waist in the shallow buried tunnel construction which requires the necessary support in advance the primary support in a timely manner and the close monitoring of...

2011年4月上 施工技术 第40卷第338期 CONSTRUCTION TECHNOLOGY 81 浅埋暗挖车站大跨区间及重叠隧道施工技术 李少利，李丰果 (中铁随道集团三处有限公司，广东深圳512825) [摘要]对重庆轨道交通六号线光电园车站大跨区间及重叠段隧道施工组织及施工方法进行了总结.在只利用2 个工作通道的前提下，通过合理组织及信息化施工，安全、优质、高效地进行施工.对大跨隧道各分部工况进行了 安全性分析及各种参数的安全性评价.提出重叠段道先上（上部腿道上半断面）后下（下部隧道）开挖初支，后 施作下部二衬，再施作上部隧道下半断面开挖初支及上部隧道二衬的施工方法，减小了爆破振动对结构的影响，确 保了重叠隧道防水、二衬的整体性及耐久性. [关键词]浅埋暗挖：大跨区间；重叠隧道：爆破振动 [中图分类号]U455 [文献标识码]A [文章编号]1002-8498(2011)07-0081-04 Construction Technology of Shallow Subsurface Excavation Station Large Interval and Overlapping Tunnel Li Shaoli Li Fengguo Sanchu Co.Lud.China Railaray Tunnel Group.Shenshen Guangdong 512825 China) Abstract:Construction management and technology of Guangdianyuan station large interval and overlapping tunnel are summarized.Construction process is successful based on reasonable organization and information construction with two work channels.The authors make safety evaluation on various parameters under different construction conditions.Construction method of primary supporting first in upper part and then lower part.Then construct secondary lining and primary supporting in upper half section of upper tunnel and secondary lining in upper tunnel are constructed in the end.Construction methods of overlapping tunnel reduce effect of blasting vibration on structure and ensure the integrity and durability of waterproof and secondary lining. Key words:shallow subsurface excavation;large interval;overlapping tunnel:blasting vibration 1工程概况 1.1光电园车站 光电园车站全长201.70m 隧道高19.38m、宽 24.84m 开挖面...

2017年4月下 施工技术 第46卷第8期 CONSTRUCTION TECHNOLOGY 49 D0I:10.7672/sgjs2017080049 浅埋暗挖法在雨水调蓄系统建设中的应用 解晓忱，王东清，宋晓龙 (北京城建集团有限责任公司土木工程总承包部，北京100088) [摘要]近年来随着我国城市基础设施建设的不断提速，施工技术的综合运用水平也取得了飞速发展.目前北京 市区建筑林立、路网密布，交通流量与日俱增，传统的明挖技术受到了地域环境的严重制约，非开挖技术由于自身 的较大优势逐渐取得了很大的市场占有率.在建设过程中不断探索优化竖井结构、调蓄池一次和二次衬砌断面形 式、支撑体系转换等关键技术，形成了一套较完备的雨水调蓄池浅埋暗挖综合施工技术. [关键词]地下工程；浅埋暗挖法；调蓄池；施工技术；应用 [中图分类号]TU992 [文献标识码]A [文章编号]1002-8498(2017)08-0049-03 Application of Shallow Buried Covered Excavation in the Construction of Rainwater Storage System XIE Xiaochen WANG Dongqing SONG Xiaolong Ciuil Engineering General Contracting Department Beijing Urban Construction Group Co.Ltd.Beijing 100088 China) Abstract:With the rapid development of urban infrastructure construction in our country the prehensive utilization level of construction technology has also made rapid development.At present the buildings are built greatly road network distributes intensively traffic flow increases with each passing day the traditional digging technology has been severely restricted by the regional environment and the trenchless technology has made a great market share because of its own advantages.In the construction process to continuously explore the key technologies of the optimization of shaft structure storage tank once and secondary lining section support system conversion a plete set of rainwater storage tanks shallow prehensive construction technology formed. Key words:underground;shallow buried excavation;storage tant;cons...

施工技术 2014年9月下 78 CONSTRUCTION TECHNOLOGY 第43卷第18期 D0I:10.7672/5js2014180078 浅埋偏压隧道的二衬开裂机理及治理措施研究* 贾东彦，余莉，孙洋 (中国地质大学（武汉）工程学院，湖北武汉430074) [摘要]隧道二衬开裂使隧道的稳定性和安全运营受到威胁，对其力学机理及治理措施的研究具有重要意义.为 此，引入某浅埋偏压隧道为研究对象，首先进行现场调查开裂情况，发现其进口右洞（远离山体侧）左侧拱顶有十几 米的纵向开裂.根据该隧道的真实情况建立离散元模型，进行计算分析，得出以下结果：隧道左、右洞拱顶受到来 自左侧的地形和岩层结构偏压，其右洞的偏压应力超过二衬的承载能力而发生破坏.在此基础上，提出隧道二衬 开裂的处理措施为拱、墙局部裂损部位的治理. [关键词]隧道工程：二衬；裂缝；离散元模拟；处理措施 [中图分类号]U45 [文献标识码]A [文章编号]1002-8498(2014)18-0078-04 Research of the Second Lining Cracking Mechanism and Control Measures for a Shallow Bias Tunnel Jia Dongyan Yu Li Sun Yang Faculty of Engineering China University of Geosciences Wuhan Hubei 430074 China) Abstract:The tunnel second lining cracking threatens the tunnel stability and safety of the operation so the study of its mechanical mechanism and control measures has a great significance.For this purpose taking a shallow bias tunnel as research object all on-site investigation cracking situation is investigated to find dozens of meters of longitudinal crack on the left side of the dome for the import right hole(away from the side of the mountain).Discrete element model is set up according to the real situation of the channel and then the calculation and analysis is done to obtain the following results:bias pression of the tunnel vault around hole es from the left side of the terrain and rock structure the right hole bias stress exceed the bearing capacity of the second lining so the damage has happened.On this basis the measures for th...

施工技术 2011年2月 48 CONSTRUCTION TECHNOLOGY 第40卷第3期 浅埋偏压隧道开挖数值模拟与监测分析 高文学，孙文龙2，周文旭3，付萍2，邓洪亮3，张洋洋2 (1.北京工业大学城市与工程容全减史教育部童点实验室，北京100124： 2.北京帝公路桥梁建设集团有限公司，北京100068：3，北京工业大学建筑工程学，北京100124) []以宠兴路改建工程火部塔腿为研究对象，利用MIDAS--GTS件建立了浅理编压腿道进口轻数德计算 型，分析了运开挖状态下围毒应力快、位场、塑性召分布以及浅理压段反压回镇移定土后的应力分布规律， 并与现场监测数进行了分析对比，得出了一些可靠的结论. [关键词]浅埋编压隧道：围岩变形：反压回镇：拟：族监测 [中密分类号]U459.2 [交献标识码]A[交章编号]1002-8498(2011)03-0048-03 Numerical Simulation and Monitoring Analysis for Construction Process of Shallow Tunnel Under Unsymmetrical Pressure Gao Wenxue' Sun Wenlong2 Zhou Wenxu' Fu Ping2 Deng Hongliang Zhang Yangyang2 (1.The Key Laboratory of Urban Security and Disaster Engineering Ministry of Education Beijing Unirersity of Technology Beijing 100124 China: 2.Beijing Roads and Bridges Construction Group Corporation Limited Beijing 100068 China: 3.The College of Architecture and Ciril Engineering Beijing Unirersity of Technology Beijing 100124 China) Abstract:By using the finite element software-MIDAS/GTS the authors set up the finite element model of shallow tunnel entrance segment under unsymmetrical pressure in Huolangyu tunnel in Mixing road reconstruction project and analyze stress field displacement field and plastic field distribution of the surrounding roek under tunnel exeavation condition.They also study stress distribution laws of shallow tunnel under unsymmetrical pressure which be back filled with soil. Key words:shallow tunnel under unsymmetrical pressure:surrounding rock deformation:back fill: numerical...

施工技术 2011年2月 60 CONSTRUCTION TECHNOLOGY 第40卷第3期 浅埋偏压隧道开挖技术 李志星，张字华，石效民 (北京市公路桥梁建设集团有限公司，北京100068) [要]针对密兴路改建工程火郎将腿道进口轻浅理偏压的骑点，提出了调整进润位置，采用双排注聚小导管超前 支护，反压回镇施工以拉制爆破振动等一系列施工挂术措施，有酸拉利了腿道拱项沉降与洞周板数.监测结果 表明，所采用的施工末港施之有数，能够保证浅埋偏压陋施工的全. [关键词]浅埋编压隧道：超前连护：反压回：控制爆破 [中密分类号]U451 [立战标积码]B [交章编号]1002-8498(2011)03-0060-03 Excavation Technology of Shallow Tunnel Under Unsymmetrical Pressure Li Zhixing Zhang Yuhua Shi Xiaomin Beijing Roads and Bridges Construction Group Corporation Limited Beijing 100068 China) Abstract:Basing on the characteristics of entrance of Huolangyu Tunnel in Mixing road with shallow- buried and unsymmetrical pressure the authors put forward a series of construction measures to effeetively control the arch top settlement and shrinkage surround tunnel which inelude adjusting location of tunnel entrance supporting by double-row advanced ductile grouting back pressure and back fill construction and controlling blasting etc.The monitoring results show that these construction measures are feasible to assure construction safety of tunnel of shallow tunnel under unsymmetrical pressure. Key words:shallow tunnel under unsymmetrical pressure:advanced support:back fill with back pressure:controlled blasting 在设计过程中由于受到线路和地形条件限制，达58.7m 为构造低山剥地貌.隧道Ⅳ级围岩总 隧道局部不可避免地处于浅埋、偏压等不利地形中，长395m 全隧63.9%，V级围岩总长223m 占全 尤其在腿道进出口段，地质条件复杂，岩体风化严腿36.1%，进洞口段表展为2.5m厚的亚钻土，其下 重，开挖过程中如不对浅埋编压加以足够重视，施工为强一中等风化（黑云母）斜长浅粒岩，节理梨隙发 中往往会造成腿道方、衬开裂等安金质量事故.育，岩芯呈短柱一柱状，局部呈碎块状.地质参件总 本文舒对密兴路改建工程火郎裕随道进口浅埋体状况一般，洞口地质条件较差.陋道洞口段衬 ...

施工技术 2015年8月上 118 CONSTRUCTION TECHNOLOGY 第44卷第15期 D0I:10.7672/8js2015150118 浅埋偏压连拱隧道施工工序优化研究 刘建波 (中铁十一局集团第五工程有限公司，重庆400037) [摘要]为了优化浅埋偏压连拱隧道施工工序，依托四川省某浅埋偏压公路连拱隧道工程，利用ANSYS建立了该 隧道某代表性浅埋偏压断面的二维平面应变模型，模拟了隧道按照设计的8种中洞法施工工序施工的动态力学效 应，结果发现：分台阶法施工的拱顶沉降、围岩最大压力和支护结构最大压应力均小于全断面法施工，并且先开挖 较浅埋侧隧道的围岩最大压应力和支护结构最大压应力均较先开挖较深埋侧隧道的小，此外，分台阶法施工在缩 短工期和节约成本方面更优于全断面法施工.因此，本隧道工程采用中洞法先进右洞分台阶法施工，取得了较好 的施工效果. [关键词]隧道工程；连拱隧道；浅埋；偏压：施工工序；优化 [中图分类号]U455 [文献标识码]A [文章编号]1002-8498(2015)15-0118-05 Optimal Research on Construction Procedure of Double-arched Tunnel Under Unsymmetrical Pressure Liu Jianbo (The 5th Engineering Lid.of the 11th Engineering Bureau of China Railcay Chongging 400037 China) Abstract:To optimize the construction procedure of the double-arched tunnel under unsymmetrical pressure a highway double-arched tunnel under unsymmetrical pressure located in Sichuan of China is referred in this paper.Firstly the two-dimensional plane strain model is created for a representative section of the double-arched tunnel.Then eight kinds of construction procedures based on the middle hole excavation method is designed for the tunnel.Finally the dynamic mechanical behavior of the tunnel excavated in the eight construction procedures is analyzed with the software ANYSYS.It is found that the vault settlement maximum pressure of the surrounding rock and the supporting structure with the separate steps excavation method are all small than that with the full face exeavation method.It is also found that maximum pr...