粉煤灰综合利用 FLY ASH COMPREHENSIVE UTILIZATION 2013N0.1 专题研究 玻璃粉在复合胶凝材料中的应用研究* Study on Application of Glass Powder in Complex Binder 刘数华12,白岩3 (1.建筑安全与环境国家重点实验室,北京100013; 2.武汉大学水资源与水电工程科学国家重点试验室,武汉430072; 3.宁夏水务投资集团有限公司,银川750001) 摘要:随着城市化建设的进程加快,产生大量废弃玻璃,如何回收利用这些废弃玻璃便成为当前的重要课题.将 玻璃粉作为矿物掺合料用于混凝土和砂浆中,不仅可部分替代水泥,还能改善试件的微结构和性能.本文通过强度试验 和EM测试,表明玻璃粉可用作矿物掺合料,而且具有火山灰效应和填充效应,进而改善浆体的微结构,提高试件的强 度. 关键词:复合胶凝材料;玻璃粉;强度;微结构;粉煤灰 中图分类号:TU528.041文献标识码:A 文章编号:1005-8249(2013)01-0003-03 LIU Shuhua BAI Yan (1.State Key Laboratory of Building Safety and Built Environment Beijing 100013; 2.State Key Laboratory of Water Resources and Hydropower Engineering Science Wuhan University Wuhan 430072; 3.Ningxia Water Investment Group Co.Ltd.Yinchuan 750001) Abstract:With the accelerated process of urbanization a large number of waste glass is genenated;how to recycle and reuse the waste glass is being an important subject.Glass powder can be used as mineral admixture in concrete and mortar which can not only replace part of ce- ment but also improve the microstructure and properties of the specimens.The strength and SEM testing results show that the glass powder can be used as mineral admixture and has pozzolanic effect and filling effect thus it can improve the microstructure and increase strength of specimens. Key words:Complex binder;glass powder;strength;microstructure;fly ash 城市垃圾中混杂着使用过的玻璃容器、玻璃灯泡、仅为大量减少城市固体垃圾找到了一条有效途径,而 玻璃板和阴极射线管等废玻璃.我国城市固体废料中且还会对发展绿色环保型建筑起到重要的推动作用, 有6%~11%为废弃玻璃[3.玻璃的化学性质十分稳具有很大的环境保护意义[3...
关键词:玄武岩纤维;聚合物乳液;混凝土干缩性能 中图分类号:TU528.571 文献标识码:A文章编号:1005-8249(2014)06-0030-04 Li Qi-yang', Wang Yong-jie²,Song Yun=xiang² (1.Henan Yuhuai Expressway CO.,LTD.,Xinyang 464400,China 2.Henan Transportation Research Institute CO.,LTD.Zhengzhou 450006,China) Abstract:he experments on drying shrinkage of concrete were tested,and the effct of bsalt fber and polymer mulion n the drying shrinkafete stdiederels wthbaltalangativefetnthedrinhinkaefreh meansthmrefbaltfehlarerringrinkaeatfrt gtWitheeplinhdrynghk rate of concrete shows a significant increasing trend.The effct of basalt fber and polymer emulsion mixed on the drying shrinkage of concrete is bettr thanbsalf beandplyemulsiouealoecpudedue obasal be and polemulionanla dualmodifcatiofet on drying shrinkage of conerete. Key Wordsbasalt fiber;polymer emulsion;drying shrinkage of concrete 干缩是水泥基类材料的特性,水泥混凝土的干缩在其中均匀掺人各种非连续的短切玄武岩纤维为增强 对其结构耐久性有极其不利的影响。
粉煤灰综合利用 FLYASHCOMPREHENSIVEUTILIZATION2016 NO.2
试验与应用
物理化学强化对再生混凝土收缩性能影响 Influence of Physical and Chemical Enhancement on Shrinkage Performance of Recycled Concrete
韩帅'2,李秋义',王中兴,曹瑜斌',谢汝鹏 (1.青岛理工大学,山东青岛266033;2.济南轨道交通集团有限公司,山东济南250101) 摘要:根据《混凝土用再生粗骨料》(GB/T25177-2010),废弃混凝土经简单破碎、一次颗粒整形和二次颗粒整形 后分别制得Ⅱ类再生粗骨料、准I类再生粗骨料和I类再生粗骨料,并将三类再生粗骨料在浓度6%的有机硅烷防水剂 代率(中,=0、50%、100%)取代天然骨料对再生混凝土的收缩性能的影响。
关键词:颗粒整形;物理化学强化;再生租骨料混凝土;收缩率 中图分类号:528.01文献标识码:A文章编号:1005-8249(2016)02-0003-05 Han Shuai, Li Qiuyi, Wang Zhongzxing, CaoYubin , Xie Rupeng (Collaborative Innovation Center of Engineering Construction and Safety in Shandong Blue Economic Zone Qingdao Technological University, Qingdao 266033, China) Abstract:According to《Recycled coarse aggregate in concrete )(GB/T 251772010),the waste concrete is simply crushed to II class releetyrttraeilsthingir t joe poas p aae a sp uus qd concentration6% for 24hchmical retnt an then tree kinds ofreeyelecareagreate f physicaland chemical enhnmnt cabegotThe infuence on coefficient of the chloride migration and substitution rate (Φ=0, 50%, 100%)of recycled coarse agregate of physiecal and chemical enhancement toreplace natural agregate was studied.The results show tha,the order f shrinkage perfomane diffrent onreycldcoarse agregate isSASI recycled coarse aggregate concrete>FASI recycled coarse agregate concrete >SBASI recycled coarse agregate cocrete, which is better than ordinary conerete.With the increase of the substitution rale, the coeffcient of the shrinkage perfomante of SBASIFAS 和 SA-SI recycled coarse agregate conerete reduces. Key Words:particle shaping; physical and chemical enhancement; reycled coarse agregate concrete; shrinkage 再生骨料混凝土是一种新型绿色混凝土,以建筑的保护。
关键词:固硫灰;般烧制度;铁铝酸盐水泥;性能 中图分类号:TQ172.1文献标识码:A文章编号:1005-8249(2014)06-0026-04 Zhou Juan,LShuzhenXiaoZheng,LuoYuTang Cuilan,Zhang Kwei (1.SehlfMatrialsSiene and EngineeringouthwestUniversityfSceneandTechologyMinyang62010chin 2.State Key Laboratory Cultivation Base for Nonmetal Composite and Functional Materials,Southwest University of Science Abstractlinoferiecement linker was prepaed byusing circulating uidizedbed cmustion CFC)yashasrawmatrialsTh ft ofcalatetenholinmlftnflikendhaicyfainfricmntwe stby and SEM. The results show that the main mineral positions of aluminoferic cement clinker inelde CS, CAS and CAF. CAF is the solid solutionf CFand AFTh valernge f calinti tmpertue is 320~1350℃and th valerne fholding timeis400in. The presive strength of aluminoferic cement are 52.07MPa at 3d, 89.53MPa at 28d and 131.83MPa at 56d in the condition of 1340°℃C calcination temperature and 40min holding time. Key wordsCFBCyash:calcinion:procedures;alinofenic cemen clinker;perfomnce 固硫灰是电厂循环流化床锅炉中含硫煤与石灰石 自身水硬性(5.6]。
粉煤灰综合利用 2010NO.6 FLY ASH COMPREHENSIVE UTILIZATION 诚验座用 炉渣基透水材料对Cr的吸附性能研究 Study of the Adsorption of Cr'on Slag-based Permeable Material 张小龙,张诚,龙昀光2 (1.西北工业大学理学院应用化学系,西安710129;2.西北工业大学明德学院,西安710124) 摘要:利用炉渣的性质制成炉基透水材料,研究对六价铬离子的去除效果.在试验条件下,分析骨料配比和水 泥的比例对样品的影响,确定在骨料配比(细粒:中粒=2:1)和对水泥的比例为2:1时,样品对重铬酸根离子的去除效 果较好,即1cm厚炉渣基透水砖对六价铬离子三次透过后的去除率高达78.50%,而对于10cm透水填料柱,一次性对高 浓度重铬酸根离子的去除率就可达到99.32%. 关键词:炉渣;重络酸根;吸附 中图分类号:X703 文献标识码:A 文章编号:1005-8249(2010)06-0026-04 Zhang Xiaolongl Zhang Chengl Long Yunguang? (1 School of Science Northwesterm Polytechnical University XianShaanxi 710129; 2 Northwestem Polytechnical University Ming De College XianShaanxi 710124) Abstract:The slag with its nature is made into permeable material and is stapied to study the removal effere of the hexavalent chromium ions.In the experimental conditions the paper analyses of the inpuenceof the ratio of aggregate and cement ratio on the samples determines the ratio of the aggregate fine:medium grain =2:1)and the ratio of cement are 3:1.The samples of the dichromate ion removal is better that is 1cm thick slag based on the hexavalent chroemiumion permeable brick as high as 78.50%removal rate through the post three times while the 10em permeable filler column once on the high concentrntion of dichromate ion removal rate can reach 99.32%. Key words blast fumace slag:dichromate adsorption C(VI)为吞入性毒物/吸入性极毒物,皮肤接触问题,而新发现的粉煤灰、炉渣在处理重金属废水都有 可能导致敏感;更可能造成遗传性基因缺陷,吸入可能很好的去除效果,且使环境资源得到重新利用,变废为 致癌,对环境有持久危险性.电镀、冶金、皮革鞣制、印宝.易国勋等利用电厂粉煤灰进行...
粉煤灰综合利用 2013N0.1 FLY ASH COMPREHENSIVE UTILIZATION 专题研究 灰色理论预测锂渣高性能混凝土中锂渣的临界细度* Prediction of Grey Fheory on Critical Fineness of Lithium Slag in the High Performance Concrete with Lithium Slag 吴福飞,侍克斌,努尔开力依孜特罗甫,赵江涛,刘宝星 (新疆农业大学水利与土木工程学院,新疆乌鲁木齐830052) 摘要:采用灰色理论建立GM(1 1)模型来预测锂渣高性能混凝土中锂渣的细度,结果表明:通过GM(1 1)模 型预测出的锂渣细度与试验值吻合较好;并通过残差检验,相对误差均≤3%.比较GM(1 1)模型计算值与试验值,证 明这种灰色理论预测方法是简便易行的、可靠的、准确的,可以进一步探究应用于高性能混凝土其它性能的试验研究中. 关键词:灰色理论;预测;锂渣;细度 中图分类号:TU502*.4文献标识码:A 文章编号:1005-8249(2013)01-0006-03 WUFu-fei SHI Ke-bin NuerkailiY izite liopu ZHAO Jiang-tao LIU Bao-xing (The College of Civil and Hydraulic Engineering Xin jiang Agricultural University Urumqi 830052 China) Abstract:Using grey theory and establishing GM(1 1)Model to predict fineness of lithium slag in the high performance concrete with lith- ium slag The results shows that lithium alaga fineness through the GM(1 1)model of the prediction tallywell with experimental results.And through the residual inspection all the relative error are within 3%.Therefore it prones that the Grey theory prediction method is easy and conven- ient reliable and accurate.It can further explore other properties in the experimental research of the high performance concrete within lithium slag. Key words:Grey theory prediction lithium slag;fineness 自从1824年水泥的问世以来,混凝土在工程方面各领域.本文运用灰色GM(1 1)模型预测锂渣高性 的应用就得到了极大的关注.特别是2世纪以来,在能混凝土中锂渣的细度,在少量试验结果的基础上, 道路、桥梁、房屋、大坝等工程中的运用展示出了其优预测出锂渣高性能混凝土中锂渣的细度与试验值吻合 越性.目前混凝土已成为材料的中流砥柱,也是工程 较好. 中不可缺少的部分.但是对于混凝土的研究,还处于 试验阶段.而对于混凝土这种多...
粉煤灰综合利用 FLYASHCOMPREHENSIVEUTILIZATION2016 NO.6
试验与应用
海淤河淤的特征差异及对烧土制品制备工艺的影响* Characteristics Differences Between Ooze and River Silt and Its Influence on Making Process of Burning Soil Products
顾炳伟,赵龙伟,胡杰,田安国 (淮海工学院土木工程学院,江苏连云港222005) 摘要:通过对连云港港航疏浚海淤和河道整治河淤的化学成分、矿物成分、颗粒级配特征及烧成试验的对比研 究,旨在了解淤泥的特征差异对于烧土制品制备工艺的影响。
关键词:海水侵蚀;冻融循环;粉煤灰;抗压强度;质量损失率;相对弹性模量 中图分类号:TU528.01文献标识码:A文章编号:1005-8249(2018)04-0058-04 Zhang Shuai (ShaanxiUiveritfChinMdicinXnynhaxi71046) Abstract:The action of fly ashconcrete antifreeze characteristic research under the seawater erosion was carried out through indoor test method.hhanelwsf thmresive strenthmasslssand threliv lasticdluswifreezethawyland thsaef ash wereanalyedhe resultshwthat: 1)Thecmpreivestrength oflyashconcre presents anexpential atenuatiodrease wih th increase offrezethaw cycles.(2)Themass loss ofconcrete specimens shows an exponential growthtrend withthe action of frezethaw cycles; (3)The elastic modulus of fly ash conerete willdecrease with the increase of freezethaw cyeles(4) When the ly ash content is about 15 %, theantiseawaterorosionand frostreistance offlyashconretearethst Keywords:seawater corosion;frezethawcycles;flyash conerete pressive strengthmassloss relativeelasticmodulus 混凝土耐久性一直以来都是混凝土研究的重点。