40路基土石方施工方案

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G318遂宁市城区过境改线及配套设施工程路基土石方工程施工方案目录第一章、编制依据及原则···························································································1第一节、编制依据······························································································1第二节、编制原则······························································································1第三节、编制范围及工程概况···············································································1第四节、临时设施······························································································2第二章、项目总体计划部署························································································3第一节:机械配备表···························································································3第二节、施工组织机构························································································4第三节、施工进度计划图·····················································································5第三章、路基土石方施工方法·····················································································5第一节、清场、地基处理·····················································································5第二节、路基填方······························································································6第三节、路基挖方····························································································12第四章、关键工序的施工措施···················································································17第一节、质检保证措施······················································································17第二节、水塘、鱼塘的处理措施··········································································17第三节、地质条件及地形条件复杂地段的路基基底处理············································17第五章、质量保证体系····························································································19第一节、质量保证体系······················································································19第六章、安全保证体系····························································································21第一节、民工的安全教育和管理··········································································21第二节、高填方路基施工安全措施·······································································22第三节、深挖路堑的施工安全措施·······································································22第七章、环境保护··································································································23第一节、水土流失防治······················································································23第二节、施工场地控制······················································································23G318遂宁市城区过境改线及配套设施工程路基土石方工程施工方案第一章、编制依据及原则第一节、编制依据1、设计图纸及相关设计文件;2、路基质量技术规范、标准、规则、规程;3、开工前现场实地调查资料;4、高速公路与市政道路建设的施工经验及本单位的管理水平和技术力量、设备能力等;5、类似工程的施工经验。第二节、编制原则1、严格遵守招标文件中的安全、质量、工期、环保、文明施工等的规定及施工合同条款内容;2、严格执行国家、交通运输局的有关法律、法规以及业主、监理工程师的工程指令和文件;3、坚持科学性、先进性、经济性、合理性与实用性相结合原则;4、健全安全保证体系,坚持预防为主的原则,运用现代科学技术,采用先进可靠的安全预防措施,确保施工生产和人身安全;5、健全质量保证体系,制定切实可行的施工方案和创优规划、质量保证措施,推广“四新”技术,确保工程质量;6、强力推行标准化文明施工建设,重视环境保护,力创安全文明施工标准化工地。第三节、编制范围及工程概况1、编制范围G318遂宁市城区过境改线及配套设施工程路基土石方工程施工方案本施工方案适用于G318遂宁市城区过境改线及配套设施工程中华玫瑰路段路基土石方工程施工。2、工程概况○1、沿线概况G318遂宁市城区过境改线及配套设施工程中华玫瑰路段路线起讫桩号为K7+200~K14+270全长7.072m、位于四川省遂宁市船山区境内,属于四川盆地低山丘陵区。我分部管段地面高程一般为270m~350m,相对高差20m~80m,地形起伏相对较大,缓坡地带多为旱地及荒坡,沟槽被垦为农田,植被茂密。地质构造十分复杂,以泥岩、砂岩、灰岩等为主,盖板箱涵(通道)基础施工过程中对岩体的开挖是盖板箱涵(通道)基础施工的重点。○2、水文及气象特征沿线属于川中亚热带季风气候,主要特征为全年气候温和,光照较少,雨量充沛,四季分明,年平均气温为17.4℃,极端最低温度为零下4.6℃,极端最高温度为39.3℃。平均日照数为1471小时,无霜期为296天,多年平均降雨量为993.3mm,夏季占全年的48.7%,冬季仅占5%涪江河回水区域最高水位与最低水位高差1.68m。第四节、临时设施根据现场情况,本着合理、美观、实用的原则进行各种设备、材料及临时设施的布置。1、施工便道:考虑工程施工方便和减少占地,全线路基土石方施工便道路面宽度设为8m,采用泥结卵石与页岩路面,便道一侧设置纵向排水沟。便道纵坡不大于10%,半径不小于15m。尽量利用既有道路加宽,需要新建便道时,经过经济比选后确定便道方案。2、办公、生活设施:考虑全线土石方作业面较大、工期紧、压力大,各工区负责人以及施工人员就近选定办公区域施工,保障一线工程按时按量的完成工程计划。为了统一管理,除一线G318遂宁市城区过境改线及配套设施工程路基土石方工程施工方案施工人员,其余所有人员均统一居住项目驻地。3、拌和站:沿线所涉及到涵洞、挡墙、桥梁、边坡附属所采用混凝土均使用商品混凝土,采用混凝土罐车将混凝土运抵现场。4、钢筋加工场:钢筋加工场全线设置五处,四处钢筋加工场、每一处分别位于每座桥梁段,另一处钢筋加工场地为制梁场地布设。针对沿线所涉及到钢筋加工均在桥梁加工场地统一加工,沿线所涉及到涵洞、挡墙附属工程等,所使用钢筋均在最近桥梁钢筋加工场进行统一加工,现场绑扎,施工过程中五个钢筋加工场可满足施工现场需求。5、临时用电:沿线桥梁统一安装变压器,其余工程用电均使用临时发电机。6、施工用水:施工用水需经过试验室检测合格并经监理同意后从邻近沟河取水至蓄水池。第二章、项目总体计划部署原计划本标段全线共分为3个区段,根据改线后重新划分工区,一工区里程段为K7+200—K10+000。该段里程段包含土石方、边坡附属、软基换填、排水板、挡墙、涵洞、桥梁。路基土石方工程总数量为1631956m³,挖方850656万m³,填方681300m³,最大填土高度为27.6m路堑最大高度为37.2m。桥梁工2座,拖木沟大桥共18跨,保安寺1号大桥共12跨,二工区里程段为K10+000—K14+270,该里程段包含土石方、涵洞、制梁场、挡墙、路基土石方总数量为1120481m³,787191m³路基挖方787191m³,路基填方333290m³桥梁最大挖方21m,最大填方7m。制梁场地全长320,宽32m。.本标段路基挖方总方量为1637850m³,路基填方总量为1014591m³。第一节:机械配备表G318遂宁市城区过境改线及配套设施工程路基土石方工程施工方案设备名称规格型号数量(台)新旧程度计划进场时间推土机TY220493%2014年10月10日平地机PY180292%2014年11月6日振动压路机YZ20292%2014年10月15日履带式挖掘机/1492%20014年9月25日自卸车15T5690%20014年11月5日装载机ZL50192%20014年10月1日拌合站60m3/h190%2014年10月20日吊车25T489%2014年10月20日夯实机HC70289%20014年11月8日插板机190%20014年11月10日第二节、施工组织机构1、项目经理部由项目经理、项目总工程师、生产副经理等项目主要领导和八大职能部室组成,下设三个工区,各工区负责各自范围内的土石方工程施工。各工区设总负责人1名,现场技术员和测量、试验技术人员若干名。各工区的试验、测量主要由项目经理部负责实施,同时各工区配置的专职测量和试验技术员对本工区的试验和测量进行施工控制。项目主要人员匹配表姓名职务负责项目备注王永全项目经理项目总负责人李军民项目总工技术总负责人官强拆迁负责人征地拆迁总负责人庄千军测量负责人施工测量另有测量人员4名杨照凤质检负责人质量检测另有质检人员1名钱勇一工区负责人施工组织管理另有施工人员3名巩波海二工区负责人施工组织管理另有施工人员2名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