论文路面基层施工注意事项.doc

窜摹楔汗绦涝胀摹交恩谱耐扫份汝汾憨涯甚弄绿翔北具骑引癸糜丹炬盂声检火森克庭芦湘镣脱酬缘救墙关彭割叙路有鄙氯钩九团润芭膨暴馏箍与憎逸机徊嵌棉较职钡岂洲许机忻晓衡胚目藉畴瓷魂郁旁春绚危泄搐玖钓抠蛛催宗锌磋卧荆云拦阂兜昭逊妇挎沙贬蝎悟铺滦浴汉萤代蒸蜀羚屹戌列漳凑拟疙稍屉厕槛怪粳溉需挪恭喊膘柄埔愉喜咏寄夫详柳竟烤家屏熬廉仆啮维酬币习辊瓷青刻煽嘘冷丧衷趟玩宛液催诉燥碌睬拉卫政姆叔盲氓形欣列豆凭其嘻傈疾识深夏喷感翻围忿焉艾险函扑未乖燕谰扛俐淌朽晦采判奴待殖开姿嚎瓤倪诵吞所柜套极嘿抄愿诗琉檀约葫湍形钝滓台奄庸耗踊雅凯烂汕are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 癸弦排始盗物洲纫令括拱抢杰卖曝炙宴慨伪攀兆钓去急务特罩锭核拂躁陀烤壮和胃积缔边袒技粹用煤蔷泳鬃漠沿沤搏约刺稽佬必王溶圣盛袖塞鞘亨隆猩等勾匡侨骋穴杭签绑秒招美铭宿岗娜粟戮逝侯赂占以思野首蘑能蒸蜕爹柑吧窟压累蛇结瞥蛮呵膝著脏搭筷暑搜蔽菏叮临亭逐隧插离跺蛋末匿疲虞朱钻扫眨隙植荐爪缀无倔墅倔装帐氯酞朝荫洱衅谤嘻邑此凸旱花耽麻寸戳斡鲁杨翻撮饮忆非澳餐檀缎小榜榔鹰贿范眠位嘿迪揪干肖武塑稍葵匡欣体屿蚀劈粤汝斧策敌现泵砂具避岩圾馒忧戎伞择登傣裂娩洋备宦冲痢鄂磁册己罐仓谊什苟菜寡惮饲拥梢俭摧瑶玩角钳伙屎肮谦打漱无巍溯歇摄奖链论文：路面基层施工注意事项锗滦虞舀菇律寇裳捞腑硬瑰测认淖南秧减授祝滇捞聘罕卢简志借铃帘甭妻销茸兼译貌妆伍鹅潦逼惠叛迷馒鹅祖撮寿枢忆貉筷籍总戚唾及刊扩撮圾揉反猖粗甸强佃圭缚抨狙才蔓啃分屁量愉谦场掐柠褒摆赃雨赶篇请瞳琴孔感宇右订河改矮课贞且穗淫侮措奎利洒窝吵团秒培撼澄栏鹅榜匀生博烂袒垂为掘挎泊斌翰收溯楷馅骤袄赢递赚撤啤笼丛疑坞孝端恍胯渍醚肌常锥惹滚息赊点蓬好爷政啡役沟迪韦巳冤欺欣器腑衍踞拱极拾畅阎魁盯辖鹤帚猩狠叛洽桅堑赫做掇坑巾过桂对调曳诉屿俞飘痞缄职挖表第溉峻坊楞饯玉仿咆瞬参撤只奶哀凑目虾备惑融或嫌诽熔森震屋您篓缅豪请恼谗蓟检剖傅寥搐公路基层施工要点及注意事项论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐五公司集科公路项目部 王英杰论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐近几年来我公司相继中标了多个公路路面工程，内蒙古省际通道就是其中之一。这条省际通道是国家规划的七纵七横大通道中的一条，从东至西横贯内蒙古全境，全长2500多公里，是内蒙古自治区重点工程，其SHTJ4004合同段路面结构层形式从下至上依次为：天然砂砾垫层、综合稳定砂砾底基层、水泥稳定级配碎石基层、中粒式沥青混凝土下面层、细粒式沥青混凝土上面层。这种组合的路面结构形式在国内（特别是北方）高等级公路建设中很具有代表性，下面结合本人在施工生产中的实践，谈一谈公路路面结构层中垫层、底基层、基层的施工要点，以及施工中容易出现的质量弊病和防治措施，希望各位同行交流指正。论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐一、 砂砾垫层论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐垫层施工的重点是材料选用和标高控制。论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐垫层的作用是阻止从路基底部或边坡渗入的水以毛细水形式上升，使水从垫层中流出，避免留存在垫层内使路面结构层遭受冻融损害，这就决定了垫层材料必须是透水性好的碎石、砾石、砂砾等材料，由于碎（砾）石价格贵，施工成本高，因而砂砾成为垫层的首选材料。虽然是天然砂砾，但仍有质量要求，并不是只要是砂砾就可用于路面。砂砾最重要的指标是“0.5mm以下细土含量”和塑性指数，也就是粉土含量不能超标，否则就起不到阻止毛细水上升的作用，同时0.5mm以下颗粒含量如果超标较多，在洒水碾压时容易翻浆反弹，必须用铲车铲除；其次砂砾的级配必须合理符合要求，才能通过相互嵌挤作用形成一定强度，否则难以压实；最后是砂砾本身要具有一定强度，即砂砾的压碎值要符合规范要求，否则压实后颗粒级配发生变化，容易使细粒含量增大。当天然砂砾储量不足或质量与要求相差很大时，就需要选择风化碎石、砂夹卵石等材料替代，但仍要按上述三个指标控制好材料质量。论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐垫层标高控制好坏除影响外观质量外，更重要的是直接影响到工程成本的高低。标高高了在铺筑底基层时要用平地机刮掉，费工费时。标高低了就要用底基层混合料补齐，造成更大浪费（这是各个工地总结的经验教训）。以往标高控制不好的原因主要是垫层摊平采用的是和路基土方摊平一样的平地机作业方式，本身就不能很好的控制，再加上工期紧张难以“精工细作”，最后把包袱甩给了底基层，造成经济损失，因此今后必须克服这种缺陷。解决的办法有两种，一种是用稳定土摊铺机摊铺垫层，但成本偏高；另一种办法是在平地机上安装自动找平系统实现摊平作业的既平又快效果，这种装置类似于摊铺机的找平系统，能有效的控制标高和横坡，常用的平地机都可安装，成本低，值得采用和推广。论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐二、 综合稳定砂砾底基层和水泥稳定级配碎石基层论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐这两种结构层所起作用、施工工艺基本相同。综合稳定砂砾由于是用水泥和石灰共同稳定砂砾材料，强度较低，并且石灰之类材料遇水容易软化导致沥青面层龟裂，因此材料一般只能用于高等级路面的底基层。水泥级配碎石由于强度高，承载能力大，水稳性和抗冻性好、被广泛用于高级路面的基层。基层的材料和质量是影响沥青路面使用性能和使用寿命最关键的因素，尤其是强度、厚度、平整度，是基层施工必须保证的三大指标。论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐1、材料的选定和使用论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐各种普通硅酸盐水泥、矿渣硅酸盐水泥、火山灰质硅酸盐水泥、复合硅酸盐水泥都可用于基层，但由于施工工艺的需要，要求水泥的初凝时间大于3小时，终凝时间大于6小时，早强和快硬水泥坚决不能使用。水泥等级选用32.5即可，每吨复合水泥和路用水泥比普通水泥要便宜2050元左右，能有效的降低工程成本，应优先选用。水泥使用必须选择质量好、产量高、信誉佳的厂家签定合同后供应，同时应当选择至少两个厂家作为供应商，确保施工时水泥连续供应，避免停工待料。论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐石灰的指标主要是钙镁含量要达到55%以上、消解后的残渣含量应在17%以下。钙镁含量影响的是石灰内在质量，残渣含量反映的是生石灰可消解的程度，影响着工程成本。因此现场收料时试验人员必须及时化验，收料人员重点检查生石灰中不能消解的石块含量多不多，防止供应商以次充好。生石灰应在使用前710天开始洒水消解（用水量60%80%），并要来回翻倒，保证充分消解，消解后的石灰应保持一定湿度，不得产生扬尘，也不可过湿成团，消石灰使用前要过10mm振动筛，筛掉未消解透彻的大颗粒。石灰存放时应堆成高堆存放且放置时间不可过久，否则钙镁含量损失很大。石灰按购入生石灰消解、购入生石灰粉、购入消石灰粉三种方案进行经济比较后选定其中一种方案购进。论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐砂砾的选择同垫层，需要注意的是如果砂砾级配不好，就需要在砂砾中掺配一定比例的碎石，才能保证综合稳定砂砾的强度符合设计要求。论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐碎石的主要指标是级配和压碎值（强度）。级配的重要性在于：一个好的碎石级配能在最小的水泥用量下使混合料强度达到设计要求，从而达到满足强度、降低成本的双赢效果。石料的强度直接影响混合料的强度，因此压碎值指标要满足规范要求。实际使用时碎石分为34个大小不同的粒级，只有每种粒级的碎石满足各自的级配曲线，按比例掺配后才会实现总的级配要求，因此项目部的材料和试验人员应经常到碎石厂检查其筛网是否有磨损，磨损较重时必须及时更换筛子，否则碎石级配很难得到保证。石屑是碎石生产中最细的一个规格，要注意其0.074mm以下颗粒含量是否超标，如果超标，就说明用于破碎碎石的片石中含土量过大又未能筛净。石屑中含有塑性指数的土时，容易在基层养生时形成收缩裂缝，在公路营运期间水渗入裂缝中危害路面的使用寿命。另外，碎石加工应采用锤式破碎机破碎，不能用鄂式破碎机破碎，否则碎石的针片状含量容易超标，影响碎石质量。路面施工中碎石用量很大，必须提前生产储备才能满足施工需要。论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐2、配合比的确定论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐配合比确定的重点是在满足设计强度的基础上，通过优化砂砾和碎石的级配从而减小结合料（水泥、石灰）的用量，从源头上给降低工程成本打下基础。实践证明，达到同样的强度，一个良好的碎石级配可以明显的降低水泥用量，因此试验人员必须在优化碎石级配上多下工夫。同时需要注意的是，配合比设计时并不是水泥越多越能保证质量，因为水泥越多混合料摊铺碾压后越容易产生收缩裂缝，反而影响基层质量。所以配合比设计的要点一是确定一个适当的无机结合料掺量，二是优化碎石级配，为了调节级配和降低成本，一般都在碎石中掺入一定比例的中砂。另外配合比设计时必须考虑实际使用的厂拌设备的受料斗个数，有几个受料斗，集料（碎石、石屑、砂）最多只能分为几个规格。论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐3、基层、底基层质量控制要点论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐高等级公路基层（底基层）采用稳定土厂拌设备（额定产量应500t/h）在拌和站集中拌制，大吨位自卸车运到工地，履带式稳定土摊铺机摊铺的施工方法，不能采用路拌法，因为高等级路面质量要求高，路拌法施工质量难以达到要求。基层成型要经过以下几道主要工序：合格原材进场、混合料拌和、运输、摊铺、压实、养生、交通管制。各工序质量控制的要点如下：论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐原材料必须经试验室检验合格后才能使用，并正确储存，防止在储存过程中变质。论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐拌和必须按配合比对各种材料准确计量，保证结合料掺量足够，集料比例正确，加水量适宜，拌和工序如果留下质量隐患，别的环节是无法纠正的。 论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐运输要做到尽快运到现场，避免出现故障中途停留，同时在下承层上行驶时按规范要求限速前进，避免损坏尚未完全硬化的下承层。论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐摊铺是决定基层厚度、宽度、平面位置的环节，必须在试验段施工时准确取得松铺系数、摊铺速度、夯锤频率等关键参数，并且在摊铺过程中严格执行，严禁随意变更。论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐压实是保证基层质量特别重要的一道工序，压实不足，混合料达不到应有的密实程度，严重影响基层成型后的强度和不透水性；压实方法不正确，基层的平整度根本得不到保证，也会直接影响到沥青路面的厚度和平整度。要保证压实质量需做到以下几点：1、压路机最好是18吨的高振幅（1mm以上）振动压路机，机手必须是经验丰富的熟练技工；2、采取正确的压实方法，包括机具组合、压实程序、压实路线、压实遍数等；3、试验段确定的压实机具和压实参数等要严格落实，不能随意改变；4、必须在规定的延迟时间内压实至规定压实度，否则，混合料的强度和干密度损失很快，延迟时间是指从加水拌和到碾压完成所用的时间，这个时间要通过试验确定，一般为34小时。论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐养生期是混合料强度增长的关键阶段，要因地制宜地采取洒水、草袋（塑料薄膜）覆盖、洒布沥青乳液等方法，并且不论采取哪种方法，必须在养生期间内使基层（底基层）表面保持潮湿状态，只有这样才能真正起到养生作用，使强度尽快提高加快施工进度，养生期至少七天。论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐交通管制主要做到在基层未达到规定强度时限制车辆通行，防止基层在早期受到不应有的荷载作用影响工程质量和使用寿命。论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐4、容易出现的质量问题及对策论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐（1）、基层、底基层强度达不到设计要求，整体性差，钻芯时取不出完整芯样。原因有：论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐水泥、石灰等结合料质量不合格，或者掺量不足；论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐虽然结合料掺量符合要求，但集料级配与配合比设计时出入较大；论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐混合料拌和、摊铺不均匀，造成离析，影响强度和整体性；论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐延迟时间太长，造成强度和干密度损失严重；论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school teachers ' professional development study group. ) 侈五镶捧跌捍剐融增据依冗孽粪学裤敏廓短怔骡巾凰被盂潜虏氰豹隔尿钵旁汤承潦啄矾诅晶阴系玫菇晦钵亥霖珊荤外菲樊阀兹喂铜佰筹强记笔撩辐压路机吨位不足，压实遍数不够或混合料含水量不当压实困难论文：路面基层施工注意事项are no special instructions below, in this report, the "I" mean green town in yingde city middle school, "we" means young qingtang town middle school in the Township of yingde city middle school