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环氧树脂化学浆材标准.doc

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13、ccording to the .Since the educational practice of the mass line of the party, himself seriously in the education, practical control central “eight rules“ and opposing “the four winds“ and practicing “three Suns“, and check the spirit of Jiao Yulu, ideology, solicit opinions based on outstanding pro

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23、pinastreamlining. Four are standard visits, except as required to participate in training, no other activity. Five is to improve news reporting, for propaganda work strictly according to the regulations. Six is strictly your presentation published strictly according to the regulations. Seven is stri

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25、lose to reality, close to the masses and also inadequate innovation must continue to improve. Second, the “four winds“ some outstanding issues 1, oppose formalism. One theory is that he didnt, with less close contact. Theoretical study of consciousness is not high enough, system performance is not s

26、trong enough; more passive learning, active learning few generalities and learn more, delving into less. Especially based on rational thinking on major issues, applying theory to guide the work done is not good enough, not really understand and grasp the spirit and essence of the scientific Outlook

27、on development, did not truly achieve mastery, to apply, to a certain extent, affect the development and implementation of ideas and initiatives. Second, work arrangements, and less supervision. Propaganda and ideological work is the objective, which needs to keep the continuity efforts deployed, bu

28、t stressed in the work time, less supervision. For example, color weekends in the summer theatrical activities, city square performances, urging townships, communities and rural areas shows the implementation is inadequate, insufficient cultural an educational role to play. Third base enough, master

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31、 characteristics of propaganda and ideological work under the new situation through, grip on grassroots ideological trends and changes are not deep, to promote new initiatives and explore new methods of ideological and cultural work is not much, and some lack of relevance and timeliness. 4, discipli

32、ne, lowering, and hard work are lacking. While working and enterprising spirit down. No real solution to treat yourself right, correctly treat past honors, their complacency, and work to see their scores more, less checking his own shortcomings, like to listen to the praise, satisfied face, online p

33、romotion, there are typical, and lack of high standards and strict requirements, the effect is real. Second hard drive less. On hard and备案号:ICS 91.100.50 Q 24中华人民共和国建材行业标准JCJC/T 10412007混凝土裂缝用环氧树脂灌浆材料Epoxy grouting resin for concrete crack2007-11-01 发布 2007-11-01 实施中 华 人 民 共 和 国 国 家 发 展 和 改 革 委 员 会

34、发 布JC/T 10412007I前 言本标准是根据混凝土工程裂缝修补的要求,总结生产与使用实践的经验,在试验验证基础上制定的。标准的附录A为规范性附录。本标准由中国建筑材料工业协会提出。本标准由全国水泥制品标准化技术委员会归口。本标准负责起草单位:建筑材料工业技术监督研究中心、长江水利委员会长江科学院、上海地铁咨询监理科技有限公司。本标准参加起草单位:中国建筑材料检验认证中心、中科院广州化灌工程有限公司、湖南省水利水电勘测设计研究总院、广州市金科化灌有限公司、中国水电基础局有限公司、广州科化防水防腐补强有限公司、杭州国电水利电力工程有限公司、上海遂星工贸有限公司、上海先特涂装工程有限公司、广

35、东灌浆岛路桥新技术发展有限公司、武汉昌辉科技开发有限公司、广州市台实防水补强有限公司。本标准主要起草人:杨斌、魏涛、桑义、李运北、李珍、邝健政、乔渊、陈斌、饶明、陈松。本标准委托长江水利委员会长江科学院负责解释。本标准为首次发布。JC/T 104120071混凝土裂缝用环氧树脂灌浆材料1 范围本标准规定了适用于混凝土裂缝用环氧树脂灌浆材料的术语和定义、分类、一般要求、技术要求、试验方法、检验规则、标志、包装、运输与贮存等。本标准适用于修补混凝土裂缝用的环氧树脂灌浆材料。2 规范性引用文件下列文件中的条款通过本标准的引用而成为本标准的条款。凡是注日期的引用文件,其随后所有的修改单(不包括勘误的内

36、容)或修订版均不适用于本标准,然而,鼓励根据本标准达成协议的各方研究是否可使用这些文件的最新版本。凡是不注日期的引用文件,其最新版本适用于本标准。GB/T 25681995 树脂浇铸体拉伸试验方法GB/T 25691995 树脂浇铸体压缩试验方法GB/T 27941995 胶粘剂粘度测定方法(旋转粘度计法)GB 71241986 胶粘剂拉伸剪切强度测定方法GB/T 133541992 液态胶粘剂密度测定方法 重量杯法GB 167771997 建筑防水涂料试验方法GB 184452001 水泥基渗透结晶型防水材料DL/T 51502001 水工混凝土试验规程3 术语和定义下列术语和定义适用于本标

37、准。3.1 环氧树脂灌浆材料 epoxy grouting resin指以环氧树脂为主剂加入固化剂、稀释剂、增韧剂等组分所形成的A、B双组份商品灌浆材料。A组分是以环氧树脂为主的体系,B组分为固化体系。3.2 可操作时间 operable time从 环 氧 树 脂 灌 浆 材 料 浆 液 两 组 分 混 合 起 , 用 旋 转 粘 度 计 测 定 其 粘 度 并 开 始 计 时 , 当 粘 度 到 达 200 mPas时,从混合至此时所经历的时间间隔为可操作时间。3.3 浆液性能 slurry properties of grouting material指环氧树脂灌浆材料浆液的粘度、密度和

38、可操作时间。3.4 固化物力学性能 mechanical properties of cured epoxy resin grouting materials指环氧树脂灌浆材料浆液固化物的力学性能。4 分类4.1 类型环氧树脂灌浆材料(代号EGR)按初始粘度分为低粘度型(L)和普通型(N)。JC/T 20024.2 等级环氧树脂灌浆材料按固化物力学性能分为、两个等级。4.3 标记产品按下列顺序标记:产品代号、类型、等级和标准号。示例 :粘度为普通型 N、等级 I、混凝土裂缝用环氧树脂灌浆材料。标记为:EGR NI JC/T 2005 一般要求本标准包括的产品不应对人体、生物与环境造成有害的影响

39、,所涉及与使用有关的安全与环保要求,应符合我国相关标准和规范的规定。6 技术要求6.1 外观A、B组分均匀,无分层。6.2 物理力学性能环氧树脂灌浆材料浆液性能与固化物性能应符合表1、表2的规定。表 1 环氧树脂灌浆材料浆液性能浆液性能序号 项目L N1 浆液密度/g/cm 3 1.00 1.002 初始粘度/mPas 30 2003 可操作时间/min 30 30 表 2 环氧树脂灌浆材料固化物性能固化物性能项目 1 抗压强度/MPa 40 702 拉伸剪切强度/MPa 5.0 8.03 抗拉强度/MPa 10 15干粘接/MPa 3.0 4.04 粘接强度湿粘接 a/MPa 2.0 2.5

40、5 抗渗压力/MPa 1.0 1.26 渗透压力比/ 300 400a 湿粘接强度:潮湿条件下必须进行测定。注:固化物性能的测定试龄期为 28d。7 试验方法7.1 试样单项试验的最少抽样数量应符合表3的规定。做几项试验时,如确能保证试样经一项试验后不致影响另一项试验的结果,可用同一试样进行几项不同的试验。JC/T 104120073表 3 单项试验抽样数量序号 试验项目 取样数量g1 浆液密度 1 0002 初始粘度 5003 可操作时间,20 5004 抗压强度 1 0005 拉伸剪切强度 5006 抗拉强度 2 0007 粘接强度 5008 抗渗性能 2 0007.2 外观分别目视观察A

41、、B组分外观。7.3 浆液密度按GB/T 133541992,测定浆液A、B组分混合后的密度,计算结果精确到0.01 g/cm3。7.4 浆液粘度按GB/T 27941995,分别测定浆液A、B组分混合后的初始粘度,计算结果精确到1 mPas。7.5 浆液可操作时间从浆液A、B组分混合起,按GB/T 27941995测定其可操作时间,精确到5 min。7.6 抗压强度按GB/T 25691995测定其抗压强度,试件尺寸采用2 cm2 cm2 cm立方体,计算结果精确到1 MPa。7.7 拉伸剪切强度按GB 71241986测定拉伸剪切强度,计算结果精确到0.1 MPa。7.8 抗拉强度按GB/

42、T 25681995测定抗拉强度,计算结果精确到1 MPa。7.9 粘接强度7.9.1 试件按照DL/T 51502001 水工混凝土试验规程7.1“水泥砂浆室内拌和方法制备砂浆”。按照GB/T 167771997第6章制备“8”字形砂浆块。采用强度等级为42.5的水泥。水泥:中砂:水:减水剂的质量比为1:2:0.3:0.006。在(203)的水中养护至28 d。试件的抗拉强度应适当高于浆材的粘接强度。每组试件六块。7.9.2 试验器具a) 拉力试验机:试件的预计破坏荷载宜在拉力试验机全量程的 2080;b) 砂浆“8”字模具:按 GB/T 167771997 中的图 2;c) “8”字模水泥

43、砂浆块:按 GB/T 167771997 中的图 3。7.9.3 试验步骤将准备进行粘接试验的水泥砂浆“8”字形试件拉断,勿损伤断裂面。干粘接为水泥砂浆块从水中取出后,在室温下放置2 d;湿粘接为水泥砂浆块从水中取出后,用抹布把游离水抹去,即可进行粘接。试验前,在断裂面均匀涂抹浆液,厚度控制在(0.50.7)mm,根据产品的不同可一次涂刷,也可分几次 涂 刷 , 涂 刷 后 迅 速 将 试 件 按 原 件 在 断 裂 处 对 接 好 , 用 橡 皮 箍 紧 , 放 在 温 度 为 (203) 、 相 对 湿 度50 70 的试验室内养护28d ,作抗拉粘接试验,加荷速度为100 N/s。7.9

44、.4 结果计算JC/T 2004结果计算按式(1),精确至0.01 MPa。(1)SP式中:粘接强度,单位为兆帕(MPa);P断裂荷载,单位为牛顿(N);S受拉面积,单位为平方毫米(mm 2)。粘接强度以六个试件为一组,每组试件中剔除最大、最小两个值,取剩余四个试件的算术平均值为粘接强度的试验结果,结果精确到0.1 MPa。7.10 抗渗性能按GB 184452001中6.2.8进行。7.10.1 金属试模圆台形试件,上底直径70 mm、下底直径80 mm、高30 mm。7.10.2 试验设备砂浆渗透仪。7.10.3 砂浆试件的制备砂浆制备、试件成型与养护按DL/T 51502001中7.1“

45、水泥砂浆室内拌和方法”、7.5“水泥砂浆抗压强度试验”进行。每组为六个试件。砂与水泥的比为3:1,水灰比为0.650.70,并以砂浆试件在(0.30.4)MPa压力下透水为准确定配合比。每组试验制备六个试件,脱模后放入(203)的水中养护至7 d。7.10.4 涂膜抗渗试件的制备至龄期后,取出试块待表面晾干后,将待测浆液按生产厂指定的比例配好,混合后搅拌10 min。在试件的上口表面(背水面)均匀涂抹混合好的试样,涂膜厚度在0.5 mm0.6 mm。将制备好的抗渗试件放在温度为(203)、相对湿度5070的试验室内养28 d。 7.10.5 试验步骤至龄期后,用密封材料密封装入渗透仪中进行试件

46、的抗渗试验。水压从0.2 MPa开始,恒压2 h后增至0.3 MPa,以后每隔1 h增加0.1 MPa。当六个试件中有三个试件出现渗水时,即可停止试验,记下当时水压。抗 渗 压 力 为 每 组 六 个 试 件 中 四 个 未 出 现 渗 水 时 的 最 大 水 压 力 , 结 果 精 确 到 0.1 MPa。 若 加压 至 1.6 MPa恒压 1 h仍未透水,应停止试验。7.10.6 结果计算渗透压力比按式(2)计算,结果精确至1。(2)10ctrP式中:Pr渗透压力比,单位为百分数();Pt涂层砂浆的抗渗压力,单位为兆帕(MPa);Pc基准砂浆的抗渗压力,单位为兆帕(MPa)。8 检验规则8

47、.1 检验分类产品检验分出厂检验和型式检验。8.1.1 检验项目出厂检验项目包括:外观、初始粘度、可操作时间、抗压强度和抗拉强度。JC/T 104120075型式检验项目包括第六章所有的技术要求。8.1.2 型式检验有下列情况之一时应进行型式检验:a) 新产品投产或产品定型鉴定时;b) 正常生产条件下每年至少进行一次;c) 产品主要原材料、配比或生产工艺有重大变更;d) 出厂检验结果与上次型式检验有较大差异时;e) 国家技术监督检验机构提出要求时。8.2 组批同一类型、同一等级的10 t为一批,不足10 t时亦作为一个批。8.3 抽样试样应随机抽取。抽取后按A、B组分分别充分混合,每批抽取不小于8 kg。一份用作试验;一份密封保存三个月备用。8.4 判定规则经检验环氧树脂灌浆材料产品各项试验结果均符合标准规定时为合格。若其中有一项性能指标不符合标准,允许用备份样对该项复验。复验结果符合标准,则判该批产品合格;若复验结果仍不符合标准,则判该批产品不合格。9

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