【正文】 風(fēng)險(xiǎn)評(píng)估和對(duì)策 Suspending organization construct 風(fēng)險(xiǎn)評(píng)估 Risk evaluation1） 大型吊車(chē)吊裝作業(yè)（主吊車(chē)）Suspending work for the heavy facilities(the 序號(hào)Ref NO.作業(yè)活動(dòng)Working activities步驟分解Analyzation of process 潛在危險(xiǎn)Potential Hazards涉及人員Workers at riskS值P值R值控制措施Control measures剩余危害Remainder risk1行走路線的地面處理disposal of ground surface for walking route挖土機(jī)作業(yè)working by rooter 挖土機(jī)作業(yè)范圍內(nèi)人員傷害Personnel injury in the area for rooter區(qū)域內(nèi)人員Personel in the area212人員應(yīng)在挖土機(jī)作業(yè)半徑以外Personnel shouls be out of the semi diameter of the rooter L2機(jī)械破除地面Machinery destroy the ground surface碎石崩起人員傷害Personnel injury by the leaping detritus區(qū)域內(nèi)人員Personnel in the area111人員與機(jī)械保持距離Keep spaces between personel and machineryL3臨邊防護(hù)Boundary protection不完善或未設(shè)置警示標(biāo)志，導(dǎo)致人員傷亡Death lead by imperfect or no caution sign 區(qū)域內(nèi)人員Personnsl in the area212現(xiàn)場(chǎng)監(jiān)督檢查，落實(shí)責(zé)任Supervise and check on site to carry out the dutyL4施工用電Electricity for construction用電設(shè)備漏電，造成人員觸電Personnel get electric shock because of creepage of electric equipment區(qū)域內(nèi)人員 Personnel in the area212使用前的檢查以及用電維護(hù)Check before using and maintain electric equipmentL5廠內(nèi)運(yùn)輸與裝卸Transport and unload in the factory人員傷害或撞壞生產(chǎn)設(shè)施Injury personnel and crack up the establishment for working區(qū)域內(nèi)人員Personnel in the area212廠內(nèi)機(jī)動(dòng)車(chē)管理Mangement of vehivle in the factoryL6深度開(kāi)挖Excavate deeply邊坡坍塌造成人員傷害Injury personnel by collapse of border slope 區(qū)域內(nèi)人員Personnel in the area212根據(jù)施工要求進(jìn)行邊坡支護(hù)Support the border slope in accordance with requirements of the constructionL7渣土回填Backfill clinker小傷害Slight injury區(qū)域內(nèi)人員Personnel in the area111機(jī)械回填應(yīng)遠(yuǎn)離機(jī)械，人工回填應(yīng)注意個(gè)體保護(hù)Backfill by machinery should be away from machinery while backfill by manpower notice the protection for Personnel.L8路基板鋪設(shè)Laying of roadbed plank 鋪設(shè)過(guò)程中的起重傷害Injury by lifting in the process of laying區(qū)域內(nèi)人員Personnel in the area111執(zhí)行起重吊裝作業(yè)的管理規(guī)定Perform the management regulations of suspending work by craneL9對(duì)路面沉降的觀察Observe settlement of the raod 突發(fā)的不均勻沉降會(huì)造成惡性事故Sudden asymmetry settlement will lead to bad accident區(qū)域內(nèi)人員Personnel in the area313路面處理后鋪設(shè)路基板吊車(chē)空載情況下，反復(fù)壓實(shí)路面，專(zhuān)人觀察路面沉降情況，發(fā)現(xiàn)問(wèn)題及時(shí)報(bào)告1 Lay roadbed plank after disposal of ground surface2 Tamp gound repeatedly by crane in condition of empty. Special person observes the condition of settlement of road and report immediately if there is any problem.L10吊 裝 準(zhǔn) 備Preparation for suspending 吊裝繩索具的準(zhǔn)備Preparation for suspending cables人力搬運(yùn)中的傷害Injury in conveying by manpower區(qū)域內(nèi)人員Personnel in the area111執(zhí)行人力搬運(yùn)的作業(yè)要求Perform requ。=179t Fy= 設(shè)平衡梁為軸心受壓桿件，按壓彎構(gòu)件計(jì)算：If balance beam is axial bearing pole, calculate as elbow ponent: σ=N/（ψA）+βmxMxx/Wx（）（式中in which：Nex=π2EA/λx2=106566/=106 βmx=1；N=Fx=179000Kg A=566cm2 ψ= Wx=Mxx=Fy=47963=2398150Kg=179t Fy= In drawing, G=610t，F(xiàn)=G/2/sin60186。So lug has intesion protection. 平衡梁選用及校核： Choice and adjust of balance girder a）平衡梁使用對(duì)照表Comparing form of choice of balance girder設(shè)備位號(hào)No設(shè)備直徑（m）diameter設(shè)備吊裝重量（t）lifting weight選用平衡梁長(zhǎng)度（m）balance girder leight備注(中間加短節(jié))remarksD3001120E2001A/B122E3004/3006/3007679E4009107R1001102R3001268專(zhuān)用平衡梁special balance girderR3002500專(zhuān)用平衡梁special balance girderT2001218專(zhuān)用平衡梁special balance girderT2003118T4001605專(zhuān)用平衡梁special balance girderT4003160E4003A/B/C147專(zhuān)用平衡梁special balance girderE3009A/B124注：空白處的設(shè)備吊裝不使用平衡梁Remark: the faciltites in blank do not use balance girder to suspend B）平衡梁的校核：Adjust balance beam 設(shè)計(jì)條件Design condition ————吊裝載荷610t Lifting load 610t ————平衡梁長(zhǎng)度7900mm Length of the beam 7900mm● 平衡梁受壓桿件結(jié)構(gòu)部分受力計(jì)算 Calculate part bearing of bearing pole structure of balance beam截面Π：鋼板50020mmSection II:steel plate 50020mm截面Ι：H4903002014mmSection I:H4903002014mmXY500mmX 1）結(jié)構(gòu)尺寸和數(shù)據(jù)如下圖 see following for structure size and data: 2）平衡梁組合截面幾何性質(zhì)計(jì)算Calculate geometrical characteristics of assembled section for balance beam 截面I：Section I 面積A1=3022+45=183cm2 Area A1=3022+45=183cm2 慣性矩Ix=1/12453+2/123023+2302 =10631+40+66270=76941cm4 Inertial moment Ix=1/12453+2/123023+2302 =10631+40+66270=76941cm4慣性矩IY=1/1245+2/122303 =+9000= Inertial moment IY=1/1245+2/122303 =+9000=截面II：Section II 面積A2=502=100cm2 Area A2=502=100cm2 慣性矩I2x=1/125023=33cm4 Inertial moment I2x=1/125023=33cm4 慣性矩I2y=2/122503= Inertial moment I2y=2/122503=組合截面： Assembled section: ΣA=2（A1+A2）=566cm2 ΣIx=2（I1x+ I2x）+5022=153948+130050=283998 cm4 ΣIy=2（I1y+ I2y）+2A1252=+228750= cm4 ΣWx=ΣIx/= cm3 ΣWy=ΣIy/40= cm3 i=（ΣI（xx）/ΣA）1/2= cm λx=ui/i=1790/= cm Фxx=（查《鋼結(jié)構(gòu)設(shè)計(jì)手冊(cè)》P594頁(yè)） (see P594 of Steel Structure Design Manual) i=（ΣI（yy）/ΣA）1/2= λy=ui/i=1790/= cm Фyy= 3）平衡梁外力計(jì)算 Calculate outside force for balance beam FyG/2600FxFxF 計(jì)算簡(jiǎn)圖如下 see following 圖中G=610t，F(xiàn)=G/2/sin60186。=（σ2+3τ2）1/2=494 Kg/ cm2〈[б] =2133Kg/cm2Accordign to the fourth intension theory: σ39。No drawings for flat roof of equipments, warmproof and pipelines, here are approximate numbers.3) T400T400T200T2003的平臺(tái)重量見(jiàn)醫(yī)藥工業(yè)設(shè)計(jì)院6月23日的函件Weight of the flat roof of T400T400T200T2003, see duent dated June 23 of Shanghai Pharmacal Indust