粉煤灰综合利用 FLY ASH COMPREHENSIVE UTILIZATION 2016no.1 试验与应用 高流动性大掺量粉煤灰混凝土耐久性试验研究 Experimental Study on Durability of High Volume Fly Ash Concrete With High Flowability 陈建国2,郭晋川2,彭华娟2,刘鲁强2 (1.广西壮族自治区水利科学研究院,南宁,530023;2广西水工程材料重点实验室培育基地,南宁,530023) 摘要试验研究了早强剂掺量水胶比和粉煤灰掺量对高流动性大掺量粉煤灰混凝土耐久性的影响。正交试验 结果表明高流动性大掺量粉煤灰混凝土抗渗性的最主要影响因素为粉煤灰掺量,其次为水胶比及早强剂;高流动性大 掺量粉煤灰混凝土抗碳化性能和抗冻性能的最主要影响因素为粉煤灰掺量,其次为早强剂掺量及水胶比。通过正交设 计可以得出满足混凝土耐久性的配合比设计方法。 关键词:大掺量粉煤灰混凝土;正交设计;高流动性;耐久性 中图分类号:TU528.2 文献标识码:A 文章编号:1005-8249(2016)01-0027-04 Chen Jian-guo ",Guo Jin-chuan ,Peng Hua-juan ",Liu Lu-qiang ( 1.Hydraulic Research Institute of Guangxi ,Nanning ,530023 ; 2 .Guangxi Key Laboratory cultivation base construction of Water Engineering Materials ,Nanning ,530023 ) Abstract :The influence of the amount of early strength agent ,water binder ratio and fly ash content on the durability of high volume fly ash oncrete with high flowability is studied .The results of orthogonal experiments show that ,The main factor affecting the impermeability of concrete is the amount of fly ash ,followed by water cement ratio and the amount of early strength agent .The main factor affecting the carbonization and frost resistance was the amount ...
粉煤灰综合利用 FLY ASH COMPREHENSIVE UTILIZATION 2014N.2 试验与应用 高强抗磨混凝土配制技术研究 Research on High Strength and Wear-resistant Concrete Preparation Technology 赵彦江,李双喜,陈蔚,杨永杰、王桑,王洁 (新疆农业大学水利与土木工程学院,乌鲁木齐市830052) 摘要:以不同掺合料品种不同骨料级配、不同水胶比条件下,测试混凝土的强度及抗磨性能。通过试验研究发 现:混凝土水胶比控制在0.25以下,混凝土中掺加硅粉、膨胀剂,并将骨料最大粒径减小到20mm以下,混凝土具有优异 的抗磨性。可使山区性河道,泄水建筑物混凝土磨损减少,增加建筑物的使用年限。 关键词:混凝土;高强;抗磨性 中图分类号:TU502 文献标 文章编号:1005-8249(2014)02-0025-03 Zhao yan-jiang ,Li shuang-xi ,Chen wei ,Yang yong-jie ,Wang shen ,Wang jie College of water conservancy and civil engineering of Xinjiang Agricultural University ,830052 ) Abstract In this paper ,under the condition of different varieties of admixture ,different aggregate gradation and different water /cementrati - conerete strength and anti-wear performance is tested .Through experimental study ,it is found that with water-binder ratio below 0.25 ,adding silicon powder ,expansive agent in concrete ,and the aggregate maximum particle size below mm ,concrete has excellent abrasion resistance . Therefore ,it can reduce the wear of mountain aerotaxis river and outlet structure ,which prolongs service life . Key words :concrete ;high strength wear-resisting 山区间河道坡度大,河水往往挟带大量砂石,在这 泄水建筑...
粉煤灰综合利用 FLY ASH COMPREHENSIVE UTILIZATION 2016NO.5 试验与应用 骨料对工业废渣陶粒混凝土性能的影响* Effect of Aggregate on Properties of Ceramic Concrete with Industrial Waste Residue as Cementitious Material 华夏,张晓冬2,杨钱荣3,江盛禹2 (1.上海众合检测应用技术研究限公司,上海200065;2.上海同济建设工程质量检测站材料室,上海200092; 3.同济大学材料科学与工程学院,上海201804) 摘要:研究了不同等级陶粒骨料及砂率对陶粒混凝土性能的影响.结果表明:采用800级,600级陶粒为骨料制 备工业废渣陶粒混凝土,随骨料用量增加,容重降低有限,但会导致强度和比强度大幅度降低.采用较高等级骨料制备 轻混凝土时,通过增加骨料用量降低容重不可取.以400级陶粒为骨料,随骨料用量增加容重有明显降低趋势,但强度 变化不大.与骨料等级和用量相比,砂率对不同等级废渣陶粒混凝土的强度和容重的影响要小得多.骨料用量及砂率 对废渣陶粒混凝土的软化系数影响不明显,但骨料等级的影响显著,骨料越轻、陶粒混凝土容重越小,软化系数越大. 关键词:轻骨料;陶粒;工业废渣;强度;容重 中图分类号:TU528.2 文献标识码:A 文章编号:1005-8249(2016)05-0025-05 Hua Xia' Zhang Xiaodong? Yang Qianrong Jiang Shengyu2 (1.Shanghai Zhonghe Institute of Application Technology of Inspection Shanghai 200065 China; 2.Shanghai Tongji Institution of Inspection on Construction Quality Shanghai 200092 China; 3.School of Materials Science and Engineering Tongji University Shanghai 201804) Abstract:The effects of different grades of ceramic aggregate and sand coarse aggregate ratio on the properties of ceramic aggregate concrete CAC)were studied.The results showed that:by use of grade 800 600 ceramic aggregate for the preparation of industrial waste residue ceramic aggregate concrete(IWRCAC) with the increase in the amount of aggregate bulk density reduction was not large but the strength was reduced significantly.It was not desirable to reduce bulk density by increasing the aggregate amount of lightweight concrete with high grade ag...
当代化工研究 Intermedate 百家争鸣 201602 风电场并网运行安全管理的现状及应对策略 崔康 (中国水电顾问集团风电张北有限公司河北张家口076450 摘要:随着我国对新能源开发的不断深入,作为清洁能源的主要提供者之一的风力发电行业也得到了快速发展。近几年,风力发电机组 与电力网络结构的并网运行已成为当前风力发电的一个主要发展方向,而风电场并网运行情况的普及为电网运行过程中的安全管理带来了 新的问题。本文首先对风电场并网运行的现状进行分析,进而阐述风电场并网运行安全管理的应对策咯。 关字:风电场;并网运行;安全管理 图分类号:T文献标识码:A Current Situation and Countermeasures of Wind Power Plant Grid-connected Operation Safety Management Cui kang Wind Power Zhang Bei co .,LTD China Hydropower Engineering Consulting Group ,Hebei ZhangJiakou ,076450) Abstract :With the deeper step to new energy development ,wind power generation industry ,asone main provider has got fast development During recent years ,the grid-connected operation of wind generating set and electric power network structure has bee then main development direction ,however ,the popularization of wind power plant grid-connected operation has brought new problems to safety management in the course of power grid operation .This paper firstly takes an analysis on the current situation of wind power plant grid-connected operation ,and secondly on the countermeasures for wind power plant grid-connected operation safety management . Key words :wind power plant ;grid-conne...
34 当代化工研究 Intermediate 技术应用与研究 2017·08 阻燃环氧地坪涂料中阻燃剂 协同作用分析 汝宗林 (宿州典跃新型建筑材料有限公司安徽235200) 摘要:环氧地坪目前在地面装饰防护中的应用非常广泛,然而火灾隐患作为该产品的弱点一直备受关注。本文采用不同种类的阻燃剂搭 配来达到更好的阻燃效果。 关键词:阻燃;环氧地坪;环氧固化剂;化合物 中图分类号:T文献标识码:A Analysis of Synergistic Effect of Flame Retardant in Flame Retardant Epoxy Floor Coatings Ru Zonglin ( SuzhouDianyue New Type Building Material CO .,LTD ,Anhui ,235200) Abstract :The epary floor is widely used in the ground decoration protection ,however ,the fire hazard as a weakness of the product has always been concerned .In this paper ,different kinds of retardant are used to achieve better flame retardant effect . Key words :flame retardant :epoxy floor :epoxy curing agent :pound 不氧地坪涂料是一种强度高,耐磨性好,色彩丰富鲜艳 1.实验材料 的地面装饰防护高分子有机化合物。它具有防腐,防水, 环氧树脂(128)、AGE、环氧固化剂900(宿州典跃 防尘特点,而且质地坚硬,保养方便,维护费用低廉等优 建材自制,含胺、磷元素)、氢氧化铝(A(OH))、三 点,在工业地坪中获得广泛的应用。随着人们生活水平的 氧化二锑(Sb2O3)、四溴双酚A(C112BrO2)、聚磷酸 逐步提高,在家庭装修中也得到广泛的推广应用。然而作 铵、BYK525(华克公司生产)、BYK111(华克公司生产)、 为有机高分子材料,它的耐高温及防火性能开始影响它的 BYK333(华克公司生产)、色浆(典跃公司自制) 应用领域,为了更好的发挥环氧地坪阻燃剂阻燃性能,和 2.实验配方 阻燃剂协同效果,满足防火阻燃环氧地坪涂料要求。多数 实验配方树脂基部分按重量百分比:详见表一。 阻燃剂都是第三,五族元素,硼,铝,氮,磷,锑,铋的 化合物和第七族的氯和溴的化合物,其中最常用的是磷, 树脂 E阻燃齐 BYK525 BK111 BYK333 色浆 溴,氯,锑,铝的化合物。本次所选是最常用的也是最重 要的...
粉煤灰综合利用 FLY ASH COMPREHENSIVE UTILIZATION 2010o.1 铅锌硫矿尾矿废水净化处理的可行性研究 The Study on Feasibility of Tailings Water Purification of Lead-zine Mine 赵霞,雒和明,谢刚,张建强,陈步科 (兰州理工大学石油化工学院,兰州730050) 摘要:针对甘肃陇南地区铅锌硫矿尾矿废水中大量难以沉降的悬浮物,提出了化学混凝处理工艺。研究了不同絮 凝剂、助凝剂以及pH调节剂在处理过程中对废水浊度及沉降速度等的影响作用。研究结果表明,选用PAM为絮凝剂、 CaCl2为助凝剂、CaO为pH调整剂,其用量分别为14g/L、150g/L、420g/L时,水中寨体沉降最快,处理后上清液浊度小 于10,达到了清洁生产的目的。 关键词:铅锌硫矿;絮凝剂浊度沉降速度;尾矿水 号:703文献标识码:A文章编号:1005-8249(2010)01 中围分类号:70 ( Collegeof Petrochemical Technology ,Lanzhou Univ of Tech ,Lanzhou 730050 ,China ) Abstract :The chemical coagulation technology was selected for solids in the tailing water of lead-zine mine always maintain suspended and nsinkable in Longnan Gansu .In this study ,the residue turbidity and sedimentation of the waatewater with different coagulants are euamined using PAM as the focculant ,CaCl2 as coagulation aids and CaO as the pH regulators .The experimental results show that the effects are optimum with the bination of 14g /PAM ,150 g /t CaCl ,and 420g /t .Supernatant turbidity of less than IONTU ,cleaner production purposes could be realized . Key words :lead-zine mine ;;reaidue turbidity ;sedimentation rale ;tailing water 我国铅锌矿产资源比较丰富,生产能...