当代化工研究 绿色化工 201701 火电厂废水治理方法及脱硫废水处理探析 ★冯强董仲珍李华唐美芳3 (1.山东省日照市环境监测站山东276800 2.山东省日照市机动车排气监测中心山东276800 3.山东省日照市环境保护科学研究所有限公司山东276800) 摘要:经济发展使得人们的生活越来越方便,人们对电力的需求也在不断增长,大型电厂因此而不停地涌现出来。虽然大型电厂为人们 的生活生产提供了巨大的电力支持,但是同时也有不可忽视的问题,即排放物带来的空气污染、水污染。本文以火电厂的废水、脱硫废水 为研究对象,试探究废水的治理方法与脱硫废水的处理方法。 关键词:废水治理方法;脱硫废水;处理方法;火电厂;节能减排 中图分类号:T文献 号:T文献标识码: Analysis of Waste Water Treatment Method and Desulfurization Waste Water Treatment for Thermal Power Plant Feng Qiang' ,Dong Zhongzhen2 ,Li Hua' ,Tang Meifang 1 .Environment Monitoring Station of Rizhao City ,Shandong ,276800 2 .Motor Vehicle Exhaust Monitoring Center of Rizhao City ,Shandong ,276800 3 .Environment Protection Science Research Institute co .,Itd of Rizhao city ,Shandong ,276800 ) Abstract :Economic development has made people's life be more and more convenient and people's demand for electricity is also increasing , therefor ,large scale of power plants have constantly emerged .Although the large scale of power plants have provided enormous power support for people's lives and production ,also there are problems ,such as the emissions of air pollution ,water pollution which cannot be ignored .Taking the waste water and desulfurization ...
201603 绿色化工 当代化工研究 Chenmical Intermediate 52 火电企业节能减排的长效机制 朱东福 (大唐新疆发电有限公司新疆乌鲁木齐830011 摘要:随着我国社会的发展,科学技术也在逐渐进步,人们对于电力系统的需求在持续增加,因此火电系统的发展也能够为人们的生活 带来越来越多的便利,不断满足人们日益增加的需求。现阶段,我国的火电企业是能源消费的重要企业,并且其中具有非常大的节能潜 力。在我国发展到“十二五”期间,火电企业在发展过程中,节能减排面临着非常严重的挑战,因此还需要建立起火电企业节能减排的长 效机制同时在持续实行节能减排目标的基础上,还需要及时采取相应的措施,发挥出火电企业在节能减排过程中的积极性,这样也能够 帮助我国快速出台节能减排的优惠政策,强化企业的主体地位,完善火电企业节能减排的合理有效的长效机制,为我国电力事业的发展做 出贡献 关键词:火电企业;节能减排;长效机制 中图分类号:X文献标识码:A Long-term Mechanism for Energy Conservation and Emission Reduction of Thermal Power Enterprise Zhu Dongfu ( DatangXinjiang Power Generation co .,LTD ,Xinjiang Urumchi ,830011) Abstract :With the development of China socity and scientific technology progress ,people's need for electric power system is increasing cons tantly ,so the development of thermal power system can bring more and more convenience for people's life and satisfy the increasing need .At present sta ge ,China sthermalpowerenterprisesaretheimporantenterprisesforenergyconsumption ,besides ,ithasgreatenergy-savingpotential .Intheperiodof12thFive - Year Plan ,the thermal power enterprise development face great challenge so it is necessary to build long-term mechanism for thermal power ente rpr...
156 当代化工研究 百家争鸣 201701 火力发电厂安全生产管理及应对建议 郭艳 (皖能合肥发电有限公司安徽230041) 摘要:火力发电厂作为国民经济的重要组成部分,其实际经济效益的增加,对加快社会发展的速度有很大的作用。为了保证相关生产活 动的顺利进行,可知做好生产管理工作是多么重要。最近几年,火力发电厂生产管理过仍存在很多问题,并直接影响了火力发电厂的实际 经济效益,为确保其长期稳定的发展,必须采取有效的措施解决这些问题。为此,本文就火力发电厂安全生产管理过程中出现的问题提出 相应的建议和意见。 关键词:火力发电厂经济效益安全生产管理;问题:建议和意见 中图分类号:T 文献标识码:A Safety Production Management of Thermal Power Plant and the Corresponding Suggestion Guo Yan ( AnhuiEnergy Hefei Power Generation Co .,Itd ,Anhui ,230041 ) :Thermal power plant ,as the important ponent of national economy ,has a great role in accelerating the social development as the increase of its economic benefit .In order to guarantee the smooth running of the related production activities ,it is very to do the production management work very well .Recently ,the production management of thermal power plant still have a lot of problems ,which directly influences the practical economic benefit of thermal power plant ,therefore ,in order to guarantee the long-term and stable development ,the effective measures must be adopted to solve these problems .In this paper ,it has put forward the corresponding suggestion and opinion for the problems in the process of thermal power pl...
施工技术 2015年1月下 78 CONSTRUCTION TECHNOLOGY 第44卷第2期 Do:10.7672/sgjs2015020078 温度作用下大跨度索穹顶结构可靠度分析 刘凯凯,刘占省2,吴金志,孙国军 (1.北京工业大学建筑工程学院,北京100124;2.北京市建筑工程研究院有限责任公司,北京100039) [摘要]基于响应面法,进行考虑温度作用的索穹顶结构在正常使用极限状态和承载能力极限状态下的可靠度分 析。分析了在不同温差作用下索弯顶结构不同失效模式的可靠指标,并得到索穹顶结构在不同失效模式下的可靠 性能大致与温度呈线性变化。最后采用蒙特卡罗法来检验响应面法的工程误差,比较结果表明响应面法在计算简 便省时的情况下能保证良好的精度。 [关键词】索穹顶;温度作用;响应面法;失效模式;可靠度 中图分类号】TU323.8 文献标识码]A 文章编号]1002-8498(2015)02-0078-05 Research on Reliability of Large-span Cable Dome Structure Considering Temperature Action Liu Kaikai ,Liu Zhansheng ,Wu Jinzhi' ,Sun Guojun ( 1.The College of Architecture and Engineering ,Beijing University of Technology ,Beijing 100124 ,China ; 2 .Beijing Building Construction Research Institute Co .Ltd .Beijing 100039 ,China ) Abstract :Based on response surface method ,the reliability of cable dome structure considering temperature action under serviceability limit states and ultimate limit states was researched .The reliability index of cable dome structure in different failure modes with temperature action was analyzed ,and the approximately linear variation of reliable performance of cable dome structure with temperature in different failure modes was obtained ....
[关键词]地下工程;桩基础;冲击钻机;钻头;施工技术 【中图分类号】TU473.1 [文献标识码】A [文章编号]1002-8498(2015)24-0080-03 Drilling and Rock-socketed Technology of InclinedPiles for WenzhouPort ZhuangyuanaoPhase IIProject Zou Ming,Hu Peiqiang (Jiangxi Geo-engineering(Group)Corporation,Nanchang,Jiangxi 330029,China) Wenzhou Port Zhuangyuanao Phase II Project. The drill bit has a tube-shape,and it drills by the guide of steel casing. The inclined piles construction task is finished successfully through a series of technical measures to control the angle of inclined piles. Key words:underground; piles;impact drill;drill bit;construction 1项目概况 大多埋深较浅,一般在10m以内,个别地段基岩埋 1.1工程概况 深较大,达23m。
2015年6月上 施工技术 第44卷第11期 CONSTRUCTION TECHNOLOGY 5 D0I:10.7672/8gjs2015110005 温州永强机场新建航站楼项目主楼钢屋盖施工技术 卢福生,蒋国平,杨林,施元强,王强强 (浙江精工钢结构集团有限公司,浙江绍兴312030) [摘要]温州永强机场新建航站楼项目主楼钢屋盖结构为网架结构,中部带有天窗张弦结构,本工程主楼钢屋盖投 影面积达3.06万2 采用地面分区拼装、合龙后整体提升、计算机同步控制、高空补缺的施工方案.从结构特点、 安装重难点、钢结构的拼装及安装技术、施工监测、施工仿真模拟等方面进行了全面剖析. [关键词]机场;钢结构;航站楼;钢屋盖;拼装;张弦结构;整体提升;施工技术 [中图分类号]TU758.11 [文献标识码]A [文章编号]1002-8498(2015)11-0005-05 Steel Roof Construction Technology of Main Building of the New Terminal for Wenzhou Yongqiang Airport Lu Fusheng Jiang Guoping Yang Lin Shi Yuanqiang Wang Qiangqiang Zhejiang Jinggong Steel Building Group Co.Lid.Shaoxing Zhejiang 312030 China) Abstract:Grid structure is used in steel roof design of main building of the new terminal for Wenzhou Yongqiang Airport in the middle of which is beam string structure of skylight the projection area of steel roof for main building is 30 600m2 a new scheme is used namely zoning assembly on the ground integral lifting after closure synchronization control by puter supplement in high altitude.This paper introduces the structural characteristics installation difficulties of steel roof assembly and installation technologies of steel structure construction monitoring construction simulation and so on. Key words:airports;steel structures;terminals;steel roofs;assembly;beam string structures;integral lifting;construction 0引言 温州永强机场新建T2航站楼位于现有航站楼 南侧(见图1),面积约10万m2 航站楼地上3层, 地下局部1层,由主楼、南北侧指廊和21个固定登 机桥所组成.主楼部分南北长262m 东西长141m 指廊部分南北长180m 东西长122m(见图2).建 筑檐口高30.5m. 新建航站...
[关键词】机场;钢结构;航站楼;钢网架屋盖;移动式脚手架;原位拼装;施工技术 [中图分类号]TU758.11[文献标识码]A[文章编号]1002-8498(2015)11-0010-04 SteelRoofConstructionTechnologyofAirsideConcourseofthe NewTerminalforWenzhouYongqiangAirport Jiang Guoping,Shi Yuanqiang,LuFusheng,Yang Lin (ZhejiangJinggong Steel Building Group Co.,Ltd.,Shaoxing,Zhejiang 312030,China) Abstract:There are two airside concourses at the south and north of the new T2 terminal of Wenzhou Yongqiang Airport,whose projection area is about 15 o0m²,the structure type is two-layer bined steel net frames with hyperbolic weld-spheres and bolt-spheres.The net frame structures for the airside concourses are installed by movable scafolds and fixed scaffolds.This paper introduces the construction difficulties,options of the construction scheme,design of the movable scaffolds and sliding rails as well as terms of technical measures by using movable scaffolds. Key words:airports; steel structures; terminals;steel net framed roofs;movable scaffolds;in-situ assembly;construction
1工程概况 温州永强机场地处浙江省三大中心城市之一新建航站楼 的温州市的龙湾区,距市中心21.7km,是国家一类 航空口岸机场,国内二级民用机场。
2013年4月下 CONSTRUCTION TECHNOLOGY 第42卷第8期 do:10.7672/sgjs2013080076 温州中银大厦原桩再利用技术 裘国荣,孙永明,余永志 (浙江宝业建设集团有限公司,浙江绍兴312028) 摘要温州尚品国际大厦为12层钢框架结构,建在已拆除的温州中银大厦原址上。原温州中银大厦共计130根 的基础桩仍然保留,通过静载荷试验、混凝土强度试验、低应变试验等检测手段鉴定其可有效利用桩基74根,保证 原桩能够满足承载力与沉降控制的规范和设计要求以及新建筑物的安全使用要求,节约了资源和工期,降低了工 程造价,控制了污染物的排放。 [关键词】桩基础;再利用静载试验;取芯;承载力 中围分类号]TU753.3 [文献标识码]A 文章编号】1002-8498(2013)08-0076-03 Technology for Recycling the Old Piles of Wenzhou Zhongyin Building Qiu Guorong ,Sun Yongming ,Yu Yongzhi ( ZhejiangBaoye Construction Group Co ..Shaoxing ,Zhejiang 312028 ,China ) Abstract :Wenzhou Shangpin International Building is twelve-storey steel framed structure .It was constructed on the site of demolished Wenzhou Zhongyin Building .The 130 piles of Wenzhou Zhongyin Building were decided to stay ,among them ,74 piles were found to be reusable with static load test concrete intensity test ,and low stain test ,etc .It was shown that these piles could satisfy the loading bearing capacity and settlement control requirement as well as other safety service requirement of the new building .Recycling of the 74 piles helped to save resources ,shorten construction time ,reduce the cost and control the emission pollu...
2010年11月 施工技术 第39卷第11期 CONSTRUCTION TECHNOLOGY 温州世贸中心避雷针桅杆高空顶升技术 沈小峰,何勇,杨雁翔 (中国建筑一局(集团)有限公司,北京100161) [摘要]温州世贸中心工程标高248.650~310.134m,外围为钢结构莲花瓣造型,主体结构上设一避雷针桅杆,自标 高301.993m至330.83m分为6节。采用自制吊装固定工具,高空倒装吊升法施工。介绍了具体施工流程,分析了 桅杆支撑脚手架搭设和桅杆提升施工操作要点等。经验证,施工效果良好。 [关键词]温州世贸中心;自制吊装固定工具;倒装吊升法;桅杆 [中图分类号]TU758.1 文献标识码]A 文章编号]1002-8498(2010)11-0099-03 Construction Technology of Lift-up for Mast of Lightning Rod at High Altitude in Wenzhou International Business Center Shen Xiaofeng ,He Yong ,Yang Yanxiang China Construction First Building (Group )Co .Lud .Beijing 100161 ,China ) Abstract :At the height of 248 .650 310 .134m .Wenzhou International Business Center has a lotus - shaped steel structure .On the main structure a mast of lightning rod is set up ,which is divided into six segments from 301 .993m to 330 .83m .The mast is constructed with the method of flip hoisting at high altitude by self-made fixing and hoisting tools .The authors introduce construction process in detail analyze the steps of support scaffold and hoisting operation points for mast .The construction technology has a good effects . Key words :Wenzhou International Business Center ;self-made fixing and hoisting tools ;...
2010年9月 施工技术 第39第9期 CONSTRUCTION TECHNOLOGY 温州世贸中心深基坑施工技术 徐平飞 (上海建工(集团)总公司南方分公司,上海200433) 温州世中心地下4层,基坑面积大深度深且地质件差周边建筑密集施工难度大基采用地下 连墙加4道钢筋混凝土内支撑(局邮5道)的围护方武,对地下连续墙的施工参数、理论和实测意形值进行比较 和总结,对达水性差的淤泥土层采取降水猎施并进行了效果分析,对挖土和混凝土支撑施工进行了合理分区及 顺摩布置,采用信意化监测指导施工,保证基坑施工的安全和质量,工程整体效果良好。 关键词]基坑工程地下油支降水 [中分类号]TU753 文献标识码 文章编]1002-8498(2010)09006305 Construction Technology of Deep Foundation Excavation in Wenzhou World Trade Center Xu Pingfei South Company of Shanghai Construction Group ,Shanghai 200433 ,China ) Abstract :Wenzhou World Trade Center has 4 floors basement .The large and deep foundation excavation has poor geological conditions and it is surrounded with serried buildings ,so the foundation excavation is difficult to construct .To ensure safety and quality of the foundation excavation ,diaphragm wall and 4 layers reinforced concrete internal supports ( 5for somewhere )are designed .The construction parameters of the diaphragm wall ,the theretical value and the measured value of deformation are pared and summarized .The poor permeable silt soil is pre-treated and the effects are analyzed .The construction of the excavation and concrete support has reasonable partition and sequen...
2011年11月上 施工技术 第40卷第352期 CONSTRUCTION TECHNOLOGY 55 温州世贸中心屋顶异形钢结构三维空间测量定位技术 孔德泉 (中国建筑一局(集团)有限公司,北京100073) [摘要]温州世贸中心是全国钢筋混凝土简中简结构第一高楼.建筑高度333.333m 主楼74层,66层以上屋顶钢 结构呈莲花瓣造型.对其屋顶钢结构安装中的重点、难点进行了分析,从钢结构空中安装定位测量控制方面进行 了描述,提出了三维空间定位测量控制方法,进行了该方法的实际应用与控制研究,最终达到了安装所需的高精度 控制要求,保证了安装质量,提高了工效,降低了成本,缩短了工期,解决了超高层屋顶异形复杂钢结构空中测量控 制难的问题. [关键词]高层建筑;屋顶;钢结构;测量;定位控制 [中图分类号]TU758.11 [文献标识码]A [文章编号]1002-8498(2011)21-0055-05 Three-dimensional Space Position Measurement Technology for the Special Shaped Steel Roof in Wenzhou World Trade Center Kong Dequan (China Construction First Building Group)Co. Lid.Beijing 100073 China) Abstract:Wenzhou World Trade Center is the tallest reinforeed concrete tube in tube structure in China. The height of the building is 333.333m and the main building has 74 floors which is the steel structure with shape of lotus flower above the 66th floor.The author analyzes the importance and difficulties in the construction process of the steel lotus flower especially the high-sky position measurement control of the steel roof.The author proposes the method of three-dimensional high-sky position measurement control in the building.By the practical application and research the method ...
施工技术 2010年7月 CONSTRUCTION TECHNOLOGY 第39卷第7期 温州世贸中心大楼麻花形扭梁钢楼梯施工技术 孙德明,杨雁翔,袁国清2,王楠 (1.中国建筑一局(集团)有限公司,北京100073;2.北京会议中心,北京100012) 【摘要]温州世贸中心大楼为筒中简结构,高333m。顶部72层有一个麻花形扭梁钢楼梯。因为该楼梯施工前,玻 璃幕墙已经完成。为解决楼梯构件吊装运输等问题,采取现场放样、拼装和成型工艺进行施工。这样,钢楼梯钢梁 的空间扭、弯等问题在施工方面得到很好解决,提高了工作效率,节省了工程成本。 关键词温州世贸中心钢楼梯放样施工技术 中图分类号TU758.11 [文献标识码]A 文章编号】1002-8498(2010)07-0048-03 Construction Technology of Steel Stair with Twist Girders in Wenzhou International Business Center Sun Deming' ,Yang Yanxiang' ,Yuan Guoqing ,Wang Nan ( 1.China Construction First Building (Group )Co ..Beijing 100073 ,China ; 2 .Beijing Meeting Center ,Beijing 100012 ,China ) Abstract :Wenzhou International Business Center building ,333m height ,is a tube in tube structure .A steel stair with twist girders is used on the 72 .Because the glass curtain wall has been constructed before construction of the stair ,on-site lofting ,assembly techniques are adopted in construction of the stair to solve lifting and transport of some stair members .These measures can solve the girder's problems of space torsion and bending and can improve working efficiency and save the cost . Key words :Wenzhou International Business Center ;steel stair ;lofting ...
201706 绿色化工 当代化工研究 87 清远某涂料厂有害物质的实验室检测技术研究 *骆俊儒黎智怡明剑辉 (清远市慢性病防治医院广东511500) 摘要:通常情况下,涂料ㄏ油性涂料的生产过程中会产生多种有毒有害物质,如树脂粉尘、苯、甲苯、二甲苯等。这些粉尘、有毒有害 元素与部分有机溶剂与工人长时间接触后会对人体健康产生严重威胁。本文以清远某涂料厂为实例,介绍了利用多种实验室检测技术实时 监测多种有毒有害物质,为使有毒有害物质低于国家职业接触限值、保障工人生命健康提供有力的技术保障。 关键词:涂料厂;有毒有害;物质;检测 中图分类号:T 献标识码:A Study of the Laboratory Testing Technique for the Poisonous Substance of One Coating Factory in Qingyuan City Luo Junru ,Zhiyi ,Ming Jianhui Chronic Disease Prevention and Treatment Hospital ,Guangdong ,511500 ) Abstract :In normal condition ,in the production process of coating factory's oily coating ,various poisonous and harmfil substance will be produced ,ike ,resin dust ,benzene ,toluene ,xylene etc .These dust ,poisonous and harmful substance mix with partial organic solvent and if the workers contact with these substances for a long period ,they will threaten people's health seriously .In this paper ,takingone coating factory in Qingyuan city as he practical example ,it has introduced taking advantage of many laboratory testing techniques to take real-time monitoring of many poisonous and harmful substance ,so that to make the quantity poisonous and harmful substance be lower than the national ...
粉煤灰综合利用 2015N.3 FLY ASH COMPREHENSIVE UTILIZATION 建筑科技 混凝土面板堆石坝面板混凝土配合比优化设计 Mixing Proportion Optimize of Concrete Slabs of Concrete Faced Rockfill Dam 宫经伟,李双喜,葛毅雄,何建新,凤家骥 (新疆农业大学水利与土木工程学院,新疆乌鲁木齐830052) 摘要:以具体工程面板混凝土为例,在前期配合比研究基础上,确定粉煤灰掺量、增密剂掺量为两个试验因素,采 用在正交试验方案,以抗压强度、轴向抗拉强度、极限拉伸值、抗拉弹性模量、单位面积上的总开裂面积为考核指标,对面 板混凝土配合比展开优化设计试验研究,使面板混凝土不仅具有较好的施工性能,还具有较强的抗裂性能及抗冻、抗渗 等耐久性能。优化后的混凝土配合比在现场施工后,面板混凝土裂缝明显减少。该优化设计研究方法为其它工程面板 混凝土抗裂设计提供参考依据。 关键词:混凝土面板;配合比优化;正交试验;抗裂性能;耐久性能 中图分类号:TV61:TU528 文献标识码:A 文章编号:1005-8249(2015)03-0036-06 Gong Jingwei ,Li Shuangxi ,Ge Yixiong ,He Jianxin ,Feng Jiaji ( Collegeof Hydraulie and Civil Engineering ,Xinjiang Agricultural University ,Urumqi 830052 ,China ) Abstract :In this paper ,On the base of summarizing the previous research results for the specific engineering concrete slabs ,the contents fly ash and resistance agent were determined as two experimental factors ,with pressive strength ,axial tensile strength ,ultimate tensile elongation tensile modulus of elasticity and total cruck area per unit area as assessment indicators ,orthogonal test was carried out for the mixing proportion optimizing of concrete slabs ,make the slabs concrete not only has good ...
粉煤灰综合利用 FLY ASH COMPREHENSIVE UTILMZATION 2016No.4 试验与应用 混凝土表层致密化技术在水利工程试点应用 Experimental Reserach and Pilot Application of using Surface Densification Technology to Improve Durability of Concrete 朱炳喜,夏祥林,王小勇,许旭东,周少亭2 (1.江苏省水利科学研究院,江苏扬州225002; 2连云港市金河水利工程建设监理有限公司,江苏连云港222001) 摘要:混凝土表层致密化技术,方法之一系在常用模板内侧粘贴一层透水模板布,混凝土浇筑过程中水、空气透 过模板布排出,降低了表层混凝土的水胶比,提高表层混凝土密实性和强度。工程试点应用表明使用透水模板布能提高 表层混凝土抗碳化能力,降低表层混凝土透气性,可作为提高混凝土耐久性的附加措施。 关键词:混凝土;耐久性;透水模板布;表层致密化 中图分类号:TV431 文献标识码:A 文章编号:1005-8249(2016)04-0011-03 Zhu Bingxi' ,Xia Xianglin' ,Wang Xiaoyong' ,Xu Xudong' ,Zhou Shaoting ( 1.The Hydraulic Research Institute of Jiangsu Province ,Yangzhou ,Jiangsu 225002 ,China 2 .Lianyungang Jinhe Water Conservionce Construction Co .,Ltd ,Lianyungang ,Jiangsu222001 ,China ) Abstract :Pasting a layer of permeable formwork cloth in the inside of the mon template is one method of concrete surface densification technology .In the concrete pouring process ,water and air are discharged through the permeable formwork cloth ,which reduces the water cement ratio of surface concrete and improves the density and strength of surface conerete .Pilot application shows that the controlled permeability formwork can im...
粉煤灰综合利用 FLY ASH COMPREHENSIVE UTILIZATION 2012NO.1 题研究 混凝土粗骨料三维轮廓数值模拟 Numerical Simulation of Three-Dimensional Contour of Coarse Aggregate in Conerete 徐俊,王中平2 (1.同济大学材料科学与工程学院,上海,201804; 2.同济大学先进土木工程材料教育部重点实验室,上海201804) 摘要:提出了一种新的混凝土粗骨料三维轮廓数值模拟方法.把骨料看成是由上下两部分组成的,然后在两个平 面上分别生成散乱点集并将它剖分成两个三角网,建立了”随机母线赋值法”对散乱点Z坐标进行赋值,实现平面 三角网向三维空间的拉伸过程,形成混凝土粗骨料上下表面三维轮廓,最后将它们拼接起来生成混凝土粗骨料三维轮 廓,并运用Matlab软件实现其可视化过程.初步模拟结果表明,这种算法随机性好,模拟的骨料与真实骨料相似度较 高. 关键词:粗骨料;数值模拟;拉伸;拼接;随机母线赋值 中图分类号:TU528.041 文献标识码:A 文章编号:1005-8249(2012)01-0019-05 XU Jun' WANG Zhong-ping!.2 (1.Faculty of Materials Science and Engineering Tongji University Shanghai 201804 China; 2.Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education Tongji University shanghai 201804 China) Abstract:This paper puts forward a new numerical simulation method of three-dimensional contour of course aggregate in concrete.Aggregate is taken as a whole corsisting of upper and lower parts then scattered point set which is generated in two planes respectively is splited into two flat triangulars.In order to tensile this flat triangular in Three-dimensional space random generatrix assignment method"is established to anaign Z coordinate to...