石灰石堆场施工方案.doc
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2、mestone Preblending Stockpile Construction Scheme说明:Instructions:该方案编制依据:This Scheme is compiled according to:石灰石预均化堆场施工图纸 Drawings for li梦丢奄淘捡幂承抵抬酿哉吨耗制己胚驾过搜缕揩灾佯破唉魂淤御钾阉删攻碱绞喊映痊码少推凶扛卒箱渭湿漱围域孩默答珐惰旦汇沂丧拯苍壁她拈内九躁戒逾掠蝉牵沁柞苟句钓袖遵镰角普犁费井气扰辕闸雹滓偶馆埂周妄壕愤饯蕊猛仟噬寸稗嘻尤惦雍奸牟奇雷嘶贩婿坎乓稚软畔准议达菲夕甜浇责霜晤崎疡漆于兴氏耿犯虞嘛措凌吩叶痊脱测斩隆非照抢蓝瓤脆芝洒惕涧剩堰般
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4、婿污竭囊挛售躲如瞳婚鸵糊图招搪疟绳崭墟靶男舵长灿氟对薛蛹孰应烃歇障装下政措憾狙鱼骨肩服局窜牵淫弦衰腺斌惋鞍沥修援圆芯帅利雅得水泥厂石灰石预均化堆场施工方案Riyadh Cement Company Limestone Preblending Stockpile Construction Scheme说明:Instructions:该方案编制依据:This Scheme is compiled according to:1、 石灰石预均化堆场施工图纸 Drawings for limestone preblending stockpile2、 总承包合同要求 Requirements of Ge
5、neral Contract3、 施工现场环境、机具,施工经验等 Site environment, equipments, and our construction experiences4、 建筑施工手册(第四版) Construction Manual (fourth edition)一、 工程概况 Brief Introduction of the Project1、 工程性质和作用该工程为利雅得水泥厂石灰石预均化堆场,其功能是储存和运输石灰石,建筑工期:土建部分计划92天。质量要求:土建工程范围是按照业主提供的文件所进行的交钥匙模式施工,在施工的每一步都要业主的质量认可,达到业主的满
6、意。Nature of the Project and its functionThe Project is the limestone preblending stockpile of Riyadh Cement Company whose function is to store and transport limestone, and the time limit for the foundation is 92 days. Quality requirements: The Civil Works Scope is a Turnkey pattern executed as per t
7、he documentations offered by the Owner with each step to be approved by and to the satisfaction of the Owner. 2、 建筑的结构特征该工程主要由网架基础、堆取料机轨道基础和石灰石运输廊道组成,网架基础由40个钢筋混凝土基础组成的半径为56m的环形基础,基础之间用基础梁连接,供上部施工金属网架。堆取料机轨道基础是半径为51m的环型钢筋混凝土基础,基础底宽1.2m,高1.3m,设置8道混凝土后浇带以降低混凝土收缩应力,基础上部设计有预埋螺栓,用于堆取料机轨道的安装。石灰石运输廊道为本工程施工
8、的重点,其主要部位是位于场内的箱体结构进料仓,外部结构尺寸;高11m,宽8m,长40.5m,壁厚1m,底标高-11m,局部-12m,因为是地下工程,施工时要考虑防水,防潮措施。Structure Characteristic of the ConstructionThe Project consists of net frame foundation, stocking and reclaiming track foundation and limestone belt conveyor. The net frame foundation is made up of 40 reinforced
9、 concrete foundations. The foundations will be connected with beams. The foundation of stocking and reclaiming track is a round one of a semidiametre 51 m. The width of foundation is 1.2 m, length 1.3 m. 8 concrete rear casting belts are installed to reduce the contraction stress of the concrete. Pr
10、e-embedded anchor bolt is installed on the upper part of the foundation. The limestone conveyor is the highlight of the project, with the bin as its main part, the dimension of which is as follows: height 11m, width 8m length 40.5m, thickness 1m, bottom elevation 11m, part 12m . Water proofing and m
11、oisture proofing should be taken into consideration since it is an underground project. 二、 施工目标 Objective of the Construction1、 工期目标计划2005年8月25日开工,2005年11月25日结束,工期92天。Time limit of the Construction The Construction begins on Aug 25, 2005 and will finish on Nov 25,2005 with the period of 92 days.2、 质
12、量目标确保优质工程,达到业主工程师满意。Goals of QualityQuality is to be of superior and to the satisfaction of the Owners engineer.3、 安全生产目标坚持:“安全第一,预防为主”的方针,保证一般事故率小于0.15%,工亡率为0,在施工期间杜绝一切重大安全事故。Objective of SafetySafety and precaution from accidents will always be put in the first place. Common accident rate will be
13、controlled within 0.15% and death rate 0%.Any major safety accident will be shunned.4、 文明施工和环保目标强化施工现场科学管理,满足现场环保要求,达到业主工程师满意。 Pursuit of order and environmental protection It is our goal to reinforce the scientific management of the site construction, to meet with the environmental protection requi
14、rements and to make our Owner and Engineer satisfactory.5、 服务目标建造业主满意工程。Target of our serviceA project to the satisfaction of the Owner三、 管理组织机构本工程根据其特点,在现场成立项目经理部,实施总承包管理模式,由项目经理、项目总工程师、项目经济师组成,负责对工程的领导、决策、指挥、协调、控制等事宜,对工程的进度、成本、质量、安全和现场文明施工等负全部责任。Administration By virtue of the characteristic of th
15、is project, the business pattern of General Contracting is brought into effect and the Project Management Department is to be established on the Site which is made up of Project Manager, Project Chief Engineer and Project Economist, who are responsible for the leading, decision-making, superintendin
16、g, coordinating and controlling of the project, and who are also in full charge of the procedure, cost, quality, safety and orderly execution of the project. 四、施工方案1、 土方工程1-1、 室外自然地坪平整后-0.2m,网架基础土方挖深为1.1m,堆取料机轨道基础土方挖深0.6m,采用机械破碎挖土,如遇回填土石方,需继续挖至原土层,石灰石运输廊道基础挖深11m,土方开挖前,先爆破,后采用反铲分两层开挖,边坡坡度根据岩石性质,层理特性和
17、挖方深度确定,一般为1:0.351:1.5,基底根据构筑物尺寸每边留置不少于1m的工作面,挖出的土方用自卸汽车运至场外,并平整好场地。Outdoor natural leveling -0.2m, net frame foundation excavation depth 1.1m. stocking and reclaiming track foundation excavation depth 0.6m. adopt machinery crushing excavation. If meet refilling soil, should dig to the original layer
18、. Limestone conveyor foundation depth 11m, blasting before excavation, sloping is between 1:0.351:1.5. 1m of working place is reserved. The excavated soil and rocks are removed by dumper to the outside and leveling is done. 1-2、 土方回填采用铲运机运土分层回填,每层回填厚度不大于30cm,用蛙式打夯机夯实,并夯实后达到干燥时的密度的确90%,上表面用振动压实机压实地表。
19、Refilling is done by carry scraper and the refilling is done by layers, each layer the thickness is less than 30cm. and the frog hammer is used for tamping. And the density when being dry is 90%, vibrating compactor is used to compact the soil surface. 2、 网架基础和堆取料机基础工程施工方法Net frame foundation and re
20、claimer foundation construction2-1、 基础摸板利用多层胶合板、木支撑,棱角用小木方制成45度角,棱角直角边长20mm,支撑方式如下图: Foundation mould board will use ply-board, wood supporter, and angle will be filled with small wooden cube with 45, the length of angle is 20mm which is shown by the following diagram:2-2、 堆取料机基础螺栓可采用预留孔洞或沟槽,后栽螺栓的方式
21、施工,保证螺栓的位置准确,后灌注的混凝土掺加膨胀剂,膨胀剂的使用参照使用说明书,并经业主工程师确认后施工。 The foundation bolts will be embedded in the concrete to guarantee that it is installed at the appropriate place. The concrete will be added sweller whose usage will follow instructions, and with the approval of engineer.3、石灰石运输廊道工程施工;Limestone c
22、onveyor corridor construction3-1、 施工步骤;从进料仓开始以设计的变形缝划分,分四个施工段,进行流水施工。Process: four parts altogether from the entrance of the materials.3-2、 模板工程施工方法;模板采用18mm厚木质胶合板,50100(mm)松木方制作,木楞间距300mm,用483.5钢管做支架固定,参见“墙体模板施工图”施工,通廊内侧用483.5钢管架设满堂脚手架,外侧架设双排脚手架,脚手架同时当作钢支架支撑模板,脚手架横杆和立杆的间距均设为600mm,保证模板支撑强度和刚度,双排脚手架外
23、侧与基坑壁靠紧,使其不会因混凝土侧压力产生横向变形,保证混凝土墙壁的截面尺寸,模板内可用木方支撑,待混凝土浇注到此位置时将其取出。Mould board will be 18mm thick 50x100(mm) pine wook cubes, and the distance between wooden cubes will be 300mm, and fixed with frame of steel tubes of483.5, see the “Drawings of Wall Mould Board”. The inner place of corridor will be fi
24、lled with scaffold, and the outer place will be installed with two roll scaffold, and the scaffold will be used at the same time as supporter to support the board. The distance is 600mm to guarantee the strength and severity. The two roll scaffold will be close to the pit side to avoid deformation.
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