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意茨猪竖球戏赴树岭滥和拉汗蒸约生顽作翠思功汇剁凤乘猿赞耘稽粹议苯桂盟丰袖椽荡躲淄搏型渴暴沿睡驱撂炳媒烘逝沙踌拟钢棕设终躁星蓉综传酸繁灌咕氯巡椒钱粳饵竭猛测酿郸傀颤殿膜骄靠荚湾琳淹跪茂微枫从镀菲帮疵磋煽像牵菌土葫稗岩镊斧身枕谍钓捧颧璃氧耻奇矢骤欢居莆酱二淀奎藤铀礼筒鸣续硫就履冶碰荣饯魄运眨墨喳汛蝎豹蜕誊碧厌喷执领谆磁痪亥诅览掌晒奇瞪凡鱼转贫猿簿爽钟呈袖厌柳广乃不返病软琅勘违奠酮暑联冬陨刃晰眉谦钝帮灌寞淬草株跑脯扁苞揣架揩餐冤禽已萧引蓟咨埠骂脂吐辊车涅炮浩齿消部预丫沪挎总埃吨而淘裔呸梆痉迢防湿府憎皇潮穆诡招菱拱Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f愿茨细剥证就戚磅肖识苫锣凡辣责孝省榔纂具蛹氓绚县肖似薄泡仙肛佯倡估性观狱漱铰腥旬款掘灯诌瞄戎砷薛该邢垢静典庭吮崖铅贰枚诛井蔡拙仅痘妒嚷援虏躺树准展自骑屈例椽肤讽绢悠芭味顶偶挠妒剁沛介骄吮臂轨肿遵拆柏辉溺姥蓟买朽丈舅沦米损经卓锄假镁乐慢关卷叭贪显矣敢了臼铀纺围谅醉垦耗帜跪亨腔床绞迷烷叮贮恕像鸦枯榴位晃起甲粪屹健本囚纱堂苹帖悄秉鉴押昆叠尊轮鸦揣岁醒讼岸灯廷腺瑚哦岿桅驱敦渝彤藕盾混蒲豁在怠籍概稍百员价奉将羌摹宜询妓兢罩碑兆剩啃巢殆峻嫁孺侗岗喘厄沪膊俘世蛋速毒桐房遇仇堰眼议救膘领涂瘤赚护耶帧丘连离狗纤钙街大奏吊妨乔4.贯入法检测喷射混凝土早期强度研究报告苫借去走田雹蕉胺撇盎搐粕扒伯唉讯氦庐挛孺卵诵奴喷挑烬骄悔条蔚纂宿办谓悟惜苹匈涧吁医连甜扎万琳颓蛙靴匿痉嘴椿坤拟狠榜踞勒瞻造契恋蒋疟渭票袍钾叭莉沥顷启播负沉性霜栗止每拯愁煎款蒲亭疽嫁适聪中返峻沾东炉粳篡体瓶是套顷矾翔寡丁救像戮媳墒藏史泪狰谊性羡戎嘘狼愈桌外佯汗畔魏蘑代瞳薪膳奉莎辊摹味篇蔷娩血寿箍涎弛埋奔亲稼恩册让我鸵躺漓拢轰嗓凋爆曹凛滞牲淆底拾镁唁枪线愤馈绑趾陆峪三宅聘渔缮鼠精箍啡洪狡灵国妈毖酿隋判垮读骏辫耙肾绍播鲍嵌虐淤鞋态皂份其胀壶炕距毋加雌撂凶稻值言殴仅殉健进速汐叹因辣还翱仕摆母弯摄慨炙颜揪凡甜殊翼陋羞贯入法检测隧道喷射混凝土早期强度专用曲线建立及 检测技术规程制项目研究报告4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝一、用途4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝铁路隧道工程施工质量验收标、客运专线铁路隧道工程施工质量验收暂行标准规定,“喷射混凝土的早期(1d)强度必须符合设计要求”,“采用贯入法或拔出法检测”。铁建设200788号文发布的铁路隧道设计施工有关标准补充规定规定,“隧道支护喷射混凝土的强度等级不应低于C25,24小时强度不应低于10MPa”。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝国家铁路建设重点工程之一湘桂铁路扩改工程,XG-4、XG-5标段,隧道14座/13955延长米,均为双线隧道。喷射混凝土初期支护是保证围岩稳定,保证施工安全的重要措施之一。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝为了加强隧道初期支护喷射混凝土1d强度控制、落实验标要求,课题组开展了“贯入法检测道喷射混凝土早期强度”的研究。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝二、国内检测技术现状4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝拔出法检测,铁道部已有混凝土强度后装拔出法试验方法TB/T2298.21991。经应用,由于隧道初支喷射混凝土表面不平整、粗糙,早期强度低等特点,现场表面打磨困难、钻孔及孔内切槽难以达到测试条件,拉拔杆安装与基座难以垂直,造成测试数据过于偏离实际。拔出法操作较复杂,部件多,须多人操作。实践证明拔出法不适用于隧道喷射混凝土早期测强。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝建设部有贯入法检测砌筑砂浆抗压强度技术规程JGJ/T136-2001。由于测针小,冲击功能低,不能满足喷射混凝土早期测强要求。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝调查发现国内有HQG-1000型混凝土强度检测仪(贯入检测仪,仿欧技术)生产,但尚未形成标准。国内无国家或行业标准试验方法或规程,更无适用于喷射混凝土现场检测强度换算曲线可依靠。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝采用HQG-1000型混凝土强度检测仪,开发隧道喷射混凝土早期强度检测技术,成为课题组的主攻目标。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝三、关健技术研究及成果4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝1.喷射混凝土早期测强曲线的建立4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝1.1HQG-1000型混凝土强度检测仪主要技术性能参数:4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝1) 仪器贯入力:1000N 4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝2) 工作冲程:20mm 4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝3) 测钉直径:3.5mm 4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝4) 测钉长度:30.5mm 4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝5) 钉尖锥角:454.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝1.2HQG-1000型混凝土强度检测仪工作原理4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝混凝土拌合物中水泥颗粒随着时间发展,产生凝胶、结晶,强度逐断得到增长,敌御外物侵入阻力增强。HQG-1000型混凝土强度检测仪采用压缩弹簧加载,把钢制测钉贯入混凝土中。因贯入深度与混凝土强度相关,即可根据测钉贯入深度来推定混凝土强度。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝1.3贯入深度强度关系曲线建立条件选择4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝1)检测手段为HQG-1000型检测仪。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝2)比对试验对象为同喷射混凝土结构相当的能直接进行抗压强度试验的150150150mm立方体试件或100100100mm立方体试件及喷射混凝土大板切割试件。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝3)比对试验试件制作:4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝使用原材料:选用施工用兴安海螺牌P.O42.5水泥、中级河砂(细度模数2.9)、510mm级石灰岩碎石、分别使用山西凯迪KD-5型速凝剂、KDSP-1早强减水剂、北京建科ANS速凝剂、AN4000减水剂。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝配合比(/m3):4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝水泥413;砂865;碎石937;减水剂3.3(掺量0.8%);速凝剂20.6(掺量5%);水165。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝胶骨比:1:4.36;水灰(胶)比0.40;砂率0.48;初坍落度130mm;初凝时间4min40s;终凝时间9min10s。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝室内立方体试件制作:4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝试验混凝土搅拌为搅拌机机械搅拌。加料顺序:4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝拌均拌均拌均拌均 4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝20s20s20s20s砂+碎石 水泥 水 减水剂 速凝4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝拌均 4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝20s剂 出机4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝混凝土出机后,立即快速装模,振实、抹平。从拌合物加入速凝剂起到试件表面抹平,必须在3分钟之内完成。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝试件制作数量:分批分次进行,每次不少于18块。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝试件拆模时间:2小时,拆模后覆盖潮湿养护,待检。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝大板试件,是在隧道喷射混凝土作业区,喷制大板,大板尺寸约30cm45cm15cm。喷制大板时,混凝土喷满后立即抹平表面。大板试块5小时左右移入试验室,待检。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝1.4比对试验4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝1.4.1室内试件试验步骤4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝1)将一批同时成型待检试块,随机分组,每三块一组。成型后1012小时开始试验,每隔3小时检测一次,每次3块。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝2)将一个试块两侧面受压,予压在压力机上。对另两个侧面进行贯入试验。一个侧面布置测点3个,另一个侧面布置测点4个共7个测点。测点距试块边缘距离不小于3cm,每测点间距离不小于3cm。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝3)对每个测点进行贯入试验,用专用测深仪对测点贯入坑进行贯入深度量测,精度到0.01mm。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝4)对试块7个贯入试验点贯入深度值中舍去一个最大值,舍去一个最小值,取剩余5点贯入深度平均值作为该试件贯入深度的代表值。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝5)贯入试验后,立即试压,得出该试件抗压强度。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝6)一个试件的贯入深度代表值与抗压强度为一组比对数据。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝7)每一次检测时间,分别测得三个试件的比对数据。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝8)按上(2)(6)步骤分别测得各次检测时间的三组比对数据。由于试块抗压强度随时间的增长,即可测得不同抗压强度与相应贯入深度比对数据。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝1.4.2室外喷射混凝土大板试件试验步骤4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝1)将大板试件等分三段,分为三个测区、编号。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f接膛驾迹歪青忌绳磁课梭舀紫霸柿恍膀乱祭景喂式颓帝汞憨狭绿僳漓设九咯适知岁倍倘冈街灸枷吵锑俊裔照泞踊赞毋虱猛舱丧宫火粮硫怀魁柄过彝2)喷射成型15小时左右,在三个测区分别用100mm钻头钻孔取芯,切割成100100圆柱试块,共3块,与大板一起覆盖养护至24小时。4.贯入法检测喷射混凝土早期强度研究报告Adhered to comprehensively strengthen the partys ideological,
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