施工临时用电方案计算书.docx

施工暂时用电方案计算书天一城小区12T8#楼工程工程；属于剪力墙结构;其中11#、12#楼地上11层，15#T7#楼地上16层，18#楼地上26层；均为地下2层；标准层层高：3.00m；总建造面积：0.00平方米；建造结构类别为三类，合理使用年限为50年；抗震设防烈度为七度。防火设计建造分类为：12#、13#、15#、16#、17#为二类高层，18#为一类高层。C区地下车库为结构形式现浇钢筋混凝土墙柱和砖墙混合承重结构，建造结构的类别为三类，合理使用年限为年；抗震设防烈度为七度；耐火等级为一级。本工程由家乐园房地产开辟有限责任公司投资建设，佳利德建造有限公司设计，邢台三佳监理公司监理，中建七局第二建造有限公司组织施工；由担任项目经理，担任技术负责人。总工期：460天。一、编制依据低压配电设计规范GB50054-95中国建造工业出版社建造工程施工现场供电安全规范GB50194-93中国建造工业出版社通用用电设备配电设计规范GB50055-93中国建造工业出版社供配电系统设计规范GB50052-95中国建造工业出版社施工现场暂时用电安全技术规范JGJ46-2005中国建造工业出版社建造施工安全检查标准JGJ59-99二、施工条件施工现场用电量统计表：序号机具名称型号安装功率(kW)数量合计功率(kW)需要系数实际功率1塔式起重机QT40(TQ2-6)4862880.51442插入式振动器ZX502.512300.4123交流电焊机BX3-500-238.68308.60.392.584钢筋调直机GT4/1443120.565钢筋切断机QJ32-13390.54.56钢筋弯曲机WJ40312360.5187混凝土输送泵HB609032700.41088圆盘锯34120.349生活用电30300.927合计408.04三、设计内容和步骤1、现场勘探及初步设计：(1)本工程所在施工现场范围内各种埋地管线均由建设单位告知。(2)现场采用380V低压供电，设一配电总箱，内有计量设备，采用TN-S系统供电。(3)根据施工现场用电设备布置情况，采用导线穿钢管埋地敷设，布置位置及路线走向参见临时配电系统图及现场平面图，采用三级配电，两级防护。(4)按照JGJ46-2005)规定制定施工组织设计，接地电阻RW4Q。2、确定用电负荷：(D、塔式起重机Kx = 0. 2 Cos = 0.6 tg = 1.33将J =40%统一换算到J =25%的额定容量P =' 48kW P = n× (J /J XPn = neCClP = KXP =0. 2X60. 72 = 12. MkW(3)、若式U重机Kx = 0. 2 Cos = 0.6 tg - 1.33将J =40与统一换算到J I =25%的额定容量P =，：48kW P = n× '(J J )>2 XPn = 1 nec clP1 = K XP =0.2X60. 72 = 12. 14kW (3) s辐入1振动器Kx = 0. 3 Cos = 0.7 tg = 1.02 PQ = PX tg=0.33×1.02 = 0.34 kvar(4)、插入式振动器Kx = 0. 3 Cos = 0.7 tg = 1.02 PQ = P X tg=0.33×1.02 = 0.34 kvar (5)交嬴电焊机Kx = 0. 35 Cos = 0.4 tg = 2.29将J =50%统一换算到J =IO0%的额定容量1 X (0. 4/0. 25)>2 X 48 = 60. 72 kWQ = PX tg=12.14×1.33 = 16.19 kvar j8 js× (0.4/0.25)1/2 ×48 = 60.72 kWQ = PX tg=12.14×1.33 = 16.19 kvar j*=0.3×l. 1 = 0. 33 kW=0.3×l. 1 = 0. 33 kWP = Sn ×Cos = 38.6×0.4=15.44kWP = n× (J J XPn = 1 × (0. 5/1) 1/2 × 15. 44 = 10. 92 kW 。C ¢1P = K ×P =0. 35X10. 92 = 3. 82kW Q = P × tg=3.82×2.29 = 8.76 kvar Js XCjjs、交流电焊机Kx = 0. 35 Cos = 0.4 tg = 2.29将J =50%统一换算到J =Io0%的额定容量P = S ×Cos = 38,6×0.4=15.44kWP = n× (J J XPn = 1 × (0. 5/1) 1/2 X 15. 44 = 10. 92 kW c clP = K XP =0.35×10.92 = 3. 82kW Q = PX tg=3.82×2.29 = 8.76 kvarJsXCjsJx(7)、钢筋调直机Kx = 0. 3 Cos = 0.7 tg = 1.02P = 0.3×4 =1.2 kW Q = PXJ8J8JS、钢筋切断机tg=1.2×1.02 = 1.22 kvarKx = 0. 3 Cos = 0.7 tg = 1.02P = 0.3X3 = 0.9 kW Q = P ×Js” Js(9)、钢筋弯曲机tg=0.9×1.02 = 0.92 kvarKx = 0. 3 Cos = 0.7 tg = 1.02P = 0.3X3 = 0.9 kW Q = P ×J8J8j8(10)、混凝土输送泵tg=0.9×1.02 = 0.92 kvarKx = 0. 3 Cos = 0.7 tg = 1.02P = 0. 3×32.2 = 9. 66 kW Q = Pj X tg=9.66×1.02 = 9.86 kvar (11).塔式起重机Kx = 0. 2 Cos = 0.6 tg = 1.33将J =40与统一换算到J =25%的额定容量P = 48kWP= n× (J J XPn = 1 × (O. 4/0. 25)»2 X48 = 60. 72 kW Cc clP = K XP =0.2×60. 72 = 12. 14kW Q = PX tg=12.14×1.33 = 16.19 kvar j X <Js Jb(12)、塔式起重机Kx = O. 2 Cos = 0.6 tg - 1.33将J =40%统一换算到J =25%的额定容量P = 48kWP= n× (J J XPn = 1 X (0. 4/0. 25)>/2 ×48 = 60. 72 kW ec clP = K XP =0.2X60.72 : 12. 14kW Q = PX tg=12.14×1.33 = 16.19 kvar j× XCJs(13)、钢筋调直机Kx = 0. 3 Cos = 0.7P. = 0.3×4 = 1.2 kW(14) .钢筋切断机Kx = 0. 3 Cos = 0.7P, = 0.3×3 = 0.9 kW(15) .钢筋弯曲机Kx = 0. 3 Cos = 0.7P = 0.3×3 = 0.9 kW(16) >混凝土输送泵tg =Qtg =QJ×tg =QJS1.02=P ×js1.02=PXJS1.02=P ×jsKx = 0. 3 Cos = 0.7 tg = 1.02P = 0.3X32.2 = 9.66 kW Q = JSJS(17)、插入式振动器Kx = 0. 3 Cos = 0.7 tg = 1.02Ps = 0.3×l. 1 = 0. 33 kW Q = (18) >插入式振动器KX = O. 3 Cos = 0.7 tg = 1.02P = 0.3X1. 1 = 0. 33 kW Q = jJS(19)、交流电焊机tg=1.2×1.02 = 1.22 kvartg=0.9×1.02 = 0.92 kvartg=0.9×1.02 = 0.92 kvarP X tg=9.66×1.02 = 9.86 kvarJsP X tg=0.33×1.02 = 0.34 kvarP X tg=0.33×1.02 = 0.34 kvarJKx=0.35Cos=0.4t6=2.26将J=50%统一换算到J=Io0%的额定容量P=S×Cos=38.6×0.4=15.44kWP=n×(JJ)t2XPn=1×(0.5/1)1/2X15.44=10.92kWcclP=KXP=0.35×10.92=3.82kWQ=P×tg=3.82×2.29=8.76kvar”KeJsJs(20)、交流电焊机Kx=0.35Cos=0.4t6=2.26将J=50%统一换算到J=IO0%的额定容量P=Sn×Cos=38.6×0.4=15.44kWP=n×(JJPAXPn=1X(0.5/1)1/2X15.44=10.92kWeCClP=KXP=O.35X10.92=3.82kWQ=PXtg=3.82×2.29=8.76kvarjsxejsjs(21)、塔式起重机Kx=0.2Cos=0.6tg=1.33将J=40%统一换算到J=25%的额定容量P48kWP=n×(J/J)1/2XPn=1X(0.4/0.25)2×48=60.72kWecc)P=KXP=0.2×60.72=12.14kWQ=PXtg=12.14×1.33=16.19kvarXCjsjs(22)、塔式起重机KX=O.2Cosd=0.6tgd=1.33将J=40%统一换算到J=25%的额定容量P=48kWP=n×(JJMXPn=1X(0.4/0.25)>/2X48=60.72kWCCc】P=KXP=0.2×60.72=12.14kWQ=PXtgd=12.14×1.33=16.19kvarjsxejejs(23)、插入式振动器Kx=O.3Cosd=0.7tgd=1.02P=O.3×1.1=0.33kWQ=P×tgd=0.33×1.02=0.34kvar(24)、插入式振动器Kx=O.3Cosd=0.7tgd=1.02P=0.3×l.1=0.33kWQ=P×tgd=0.33×1.02=0.34kvar(25) .交流电焊机Kx=O.35Cosd=0.v6d=Z.Z6将J=50%统一换算到J=IO0%的额定容量CClP1=SnXCosd=38.6×0.4=15.44kWP=n×(J/J)1/2XPn=1×(0.5/1)>/2X15.44=10.92kWP=K×P=0.35×10.92=3.82kWQ=P×tgd=3.82×2.29=8.76kvarjss