沥青混凝土路面施工阶段监理实施细则 [复制链接]

沥青混凝土路面施工阶段监理实施细则沥青混凝土路面施工阶段¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
监理实施细则¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
一、 施工前的准备工作¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
1．由监理组织施工单位进行中线复测，并在侧石上每10—20m标注虚铺厚度标高。（在路口及弯道处每5m增设1点）¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
2． 对原混凝土路面进行洗刨、清扫、冲洗干净。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
3． 铺设玻璃纤维土工格栅时，下层先铺洒热拌沥青粘层油。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
4． 铺设玻璃纤维土工格栅，选用G2001型，网孔形状为20㎜×20㎜，应使玻璃纤维土工格栅紧贴基层，采用钢钉固定，不得有起皱现象。纵向迭宽20㎝，横向迭宽10㎝。该材料要有厂家合格证，经向后纬向大于50KN/m，断裂伸长率双向均小于4%，单向面积质量大于450g/㎡，满足设计要求，全路幅铺设。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
5． 热拌沥青粘层油，宜采用PC—2型洒布车喷洒乳化沥青用量控制在500g/㎡，要洒布均匀，边角处用人工壶浇洒到位。天气温低于10℃或路面潮湿不得浇洒，行人笔车辆不得通行。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
6． 不允许雨天摊铺沥青。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
7． 沥青材料：下面层用AC—20I型，厚4㎝，上面层用AC—13A型改性沥青混凝土4㎝。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
8． 设备：摊铺机一台、0.6—1T压路机一台、8—12T钢轮压路机2台。机械完好率要达100%，有备用机械设备。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
9． 施工单位准备好沥青混凝土测温温度计、3m直尺。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
10． 所有路面井做好调整工作，摊铺沥青前用钢板进行覆盖。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
二．热拌沥青混凝土施工工艺及步骤：¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
1． 工艺流程：¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
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粒料  结合料  填料¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
                       级配试验¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
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碎石  石屑  砂  沥青  矿粉¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
                    冷料升运                热油或蒸汽加热¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
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加热滚筒  沥青熔池  每罐用量¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
                热料升运                      泵打入¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
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振动筛  沥青容器¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
                过筛¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
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大仓  中仓  小仓¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
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                  分别称量¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
总仓  拌和罐拌和¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
                                            1分种左右¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
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制成混合料  控制出厂温度¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
                                              卸入 ¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
抽样试验  自卸卡车¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
                        保温运输¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
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工地¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
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2． 拌和¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑴每天工作前，应对拌和设备和其他附属设备进行检查，确保正常运行。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑵根据配合比，严格控制各种矿料和沥青用量，同时控制各种材料加热设备。AH—70应控制150—170℃。矿料（不含矿粉）加热温度比沥青高10—20℃。出厂温度控制在140—165℃，每锅拌和时间40—50S，其中干拌5—10S，湿拌3—40S。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑶改性沥青混凝土温度控制要高出一些，但不得超过正常沥青混凝土温度30℃。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑷拌成混合料应均匀一致，无花面，无粗细料分离及细料结团现象。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
3．运输¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑴自卸车箱应平整、洁净、并涂刷1：3柴油和水混合液。运输到现场温度不低于120℃（改性沥青为150℃）。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑵从拌和机向运料车上投放料时，应每卸一斗混合料挪动一下汽车位置，以减少细集料离析现象。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑶运输车用蓬布覆盖、用以保温、防雨、防污染。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑷运料车要满足摊铺机正常运行工作。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑸料到现场，应查看有无成团、枯焦、花面和温度。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
4．摊铺¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑴工艺流程：(见下页)¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
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道路基层测量¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
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清扫  放基准线¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
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管洒粘层油，铺设土工隔栅并固定¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
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摊铺机定位及安装自动找平仪¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
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检查来料温度¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
启动送料装置均匀分布材料¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
料车至摊铺机卸料¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
人工修整缺陷及边接缝¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
摊铺机起步及检查各仪表情况¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
测量温度¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
压路机进行初压、变压、终压¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
清理工地及机械内余料¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
复验各项质量指标¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑵要求工班倒连续摊铺作业，减少接缝，确保路面平整度。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑶摊铺前沥青混合料温度不小于110℃，改性沥青混合料不小于150℃。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑷摊铺时，不准变更运行速度，急速扭转方向。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑸提前半小时对烫平进行预热。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
5．压实及成型¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑴沥青混凝土路面的压实要注要碾压温度和方法，按照紧跟、慢压、高频、低幅的原则，先从路边开始向路中心进行的原由。现场派专人指挥控制碾压时间、地点。碾压时相邻碾压带重叠1/3—1/2轮宽。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑵碾压应保持清洁，经碾轮上喷刷稀释柴油（1：2—1：3）等防粘混合液，喷刷时要求：勤、匀、切忌有用量过多或过于集中而侵蚀破坏路面。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑶井盖周围、边角部份等压实不到位处，应用0。6T—1T手扶或压路机进行碾压，达到压实要求。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑷当碾压一遍后，应检查路面有无局部粗麻不平现象。应及时用细料找补，一次找齐，防止掉渣。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
6． 碾压¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
    ⑴初压：温度为100—130℃进行，用8T压路机静压2—3遍，速度控制在1。5—2KM/h。⑵复压：在大于100℃进行，用12T振动压路机进行2—3遍，速度控制在2。5—3。5KM/h。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑶终压：温度不小于70℃，用12T压路机静压至无轮迹为止，速度控制在2。5—3。5 KM/h。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑷改性沥青应在120℃前完成碾压工作，采用梯队压实，且不可用较轻压路机碾压。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
7．接缝处理¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑴横、纵缝采取直茬热接，茬缝方向应与路线垂直，下铺筑前应在立茬上刷一薄层粒油，用热料接茬摊铺压实碾平。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
⑵路边，侧石根部、雨水口，检查井及其他构筑物周边。碾压不到位部分，应用墩锤夯实，或小型压路机压实。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
8． 开放交通：沥青路面面层温度应降至大气温度时，方可放行。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
三．试验技术指标：¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
1． 要有出厂合格证，检测报告、试验资料等。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
2． 满足设计和施工技术规范及路面规范的要求。必做针入度、延度、软化点、级配、马歇尔试验。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
3． 试验技术指标：¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
SBS 改 性 沥 青 指 标¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
针入度（25℃，100g，5s）（1/10㎜）0.1㎜ 60—80¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
延度（5㎝/min）25℃ >100㎜¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
软化点（环浆法）℃ 65℃¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
薄膜加热试验（160℃，5h） 重量损失% <1.0¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
加热后针入度比% >76¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
加热后延度25℃ 94㎝¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
溶解度（三氯乙烯，三氯乙熔，笨）% >99¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
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                      沥青混凝土技术指标¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
双面各击实75次¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
粗粒式 中粒式 细粒式¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
稳定度（N）不小于 4500 5000 6000¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
沉值（1/100㎝） 20—40¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
空隙率% 2—6¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
饱和度% 75—80¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
残留稳定度% >75¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
饱水率% 1．5—5¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
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沥 青 路 面 抗 滑 标 准¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
道路等级 摆定仪测定值 构造深度ID（㎜） 石料磨光值PSV¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
80 8  ¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
城市道路 47—50 37—40 0．4—0．6 34—40¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
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四．竣工验收¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
1． 自检合格后报监理部抽验。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
2． 抽验合格后，由施工单位提供一份施工总结，包括：工程概况（含设计变更情况）。工程基础资料（材料施工组织设计、机械、及人员配备、施工进度、试验、工程结算等）。还应有自检结果原始录像或照片。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
3． 竣工资料齐全后，由业主组织设计、监理、质检站、原施工单位对沥青混凝土路面按设计及施工技术规范及验收规范（CTJ1—90）等文件进行随机抽样，外现评定，实测实管，并按建设部市政统一用表填写评分。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
4． 评分合格后将资历料归档。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó
5． 施工单位填写工程保修单，并预留5%（合同总造价）保证金。¦^µd¨^Ѻ²öbbs.3c3t.comûO–œŠ ãE Ó