三层砖混结构厂房设计(施工组织设计+计算书+CAD图) 第3页
(1) 板面积(㎡): 51×11.9+0.9×4.5×6-1.14×2.6×3+2×4+6=621.7
G板(kg)= (25×0.11+0.6)×621.7=2082.7kN
(2) 外边梁长(m): 11.9×2+51×2+4.5×4+3.8×6=166.6m
内梁长(m): 51×2+(12.9+13.9+7.4+12.9+7.4+12.9+7.4)×2+6.5=258m
G梁(kg)= 166.6×0.3×0.45×25+258×0.2×0.34×25=1001kN
(3) 墙、柱 毕业论文
http://www.751com.cn/ 论文网
http://www.751com.cn/ 内墙长: 51-2.6×3+(4.9+11.9+10.5)×6-4.5××3+2×7.4=208.3m
外墙长: 166.6m
G外墙=
(166.6×2.55-1.8×2.1×6-1.5×1.5×18-2.1×0.9×6-0.6×1.5×6)
×(18×0.37+0.5×0.025+0.36×0.02)=345×6.68=2332kN
G内墙=
(208.3×2.55+2.1×0.9×6×6)×(18×0.24+0.5×0.025×2)
=463.13×4.35=2012.3kN
(4) 门窗: G门窗=
8×2.1×6×0.45+1.5×1.5×18×0.45+2.1×0.9×6×0.2+0.6×1.5×6×0.3
+2.1×0.9×6×6×0.2=43.7kN
(5) 活荷载 G活= 621.7×2kN
标准层荷载: Gi=
G板+G梁+G外墙+G内墙+G门窗+1/2G活
=7821+622=8443kN
σi= Gi/S=8443/621.7=13.58(kN/㎡)
2. 结构一层荷载:
(1) 板面积(㎡): 51×11.9+0.9×4.5×6-1.14×2.6×3+2×4+6=621.7
G板(kg)= (25×0.11+0.6)×621.7=2082.7kN
(2) 外边梁长(m): 11.9×2+51×2+4.5×4+3.8×6=166.6m
内梁长(m): 51×2+(12.9+13.9+7.4+12.9+7.4+12.9+7.4)×2+6.5=258m
G梁(kg)= 166.6×0.3×0.6×25+258×0.25×0.5×25=1556kN
(3) 墙、柱
内墙长: 11.9×4+7.1×3.6+6.26×3+2.6+4.5+1.2+1.8+1.2+1.3×2+4.5=183.7 m
外墙长: 166.6-4.5×6=139.6m
G外墙=
(139.6×3-1.5×2.1×17-1.5×1.5×10)×(5.5×0.3+0.55×0.025
+0.36×0.02)=343×1.67=573kN
G内墙=
(183.7×2.5-4×2.1×0.9)×(5.5×0.2+0.36×0.04)+11.9×2×0.2×25
=622.4kN
(4) G门窗= (1.5×2.1×17+1.5×1.5×10)×0.45=35kN
(5) G活= 621.7×2kN
(6) 结构一层荷载:Gi=
Gi=Gfi+1/2(Gw,i=1+Gw,I)+0.5Gl=2083+1556+(573+622.4+35)/2
+732.5+1/2×2×621.7+2012.3×0.6+2332×0.6=8014kN
σi= Gi/S=8014/621.7=12.89(kN/㎡)
3. 屋顶荷载: Gn=Gr+1/2Gw,n+0.5Gsn
(1) 板面积(㎡): 51×11.9+0.9×4.5×6-1.14×2.6×3+2×4+6=621.7
G板(kg)= (25×0.11+0.6)×621.7=2082.7kN
(2) 外边梁长(m): 11.9×2+51×2+7.4×6=170m
内梁长(m): 51m
G梁(kg)= 170×0.3×0.45×25+51×0.2×0.4=578kN
(3) G墙=
(6.3×6+2.4×6)×1.8×(0.37×18+0.5×0.025+0.36×0.02)
=52.2×1.8×6.7=628kN
(4) G楼梯墙= 7.4×2.6×3×(25×0.11+0.6×0.03)=160kN
(5) G瓦屋面= 51+4+2+0.2=81.6kN
(6) G女儿墙= (51×3+11.9×2)×0.6×(0.37×18+0.5×0.025×2)=709kN
(7) G活= 51×11.9×2kN
(8) 屋顶荷载: Gn=
2082.7+578+628+160+709+81.6+2332+0.6+2012×0.6+51×11.9
=7091kN σi= Gi/S=7091/621.7=11.4(kN/㎡)
4. 由此绘出重力荷载计算简图(见图1)
重力荷载计算简图(图1)
底层半高以上的结构总重力荷载代表值
Ge=i=1nGi =G1 +G2 +G3 +G4 +G5 +G6 =7019+8443×4+8014=48805kN
5. 结构总水平地震作用标准值(
FEK=αmaxGeq=0.08×0.85×48805=3319kN G1H1×Fek/(G1H1+G2H2+G3H3+G4H4+G5H5+G6H6)
=8014×4×3319/(8014×4+8443×7+8443×10+8443×13
+8443×16+7091×19)
=32056×3319/(32056+59101+84430+109759+135088+134729)
=32056×3319/555163=196.64kN
F2= 59101×0.006=353kN
F3= 84430×0.006=505
F4= 656.2kN
F5= 808kN
F6= 806kN
6. 楼层地震剪力
Vi= (I≥2) V2= 2775.2+353=3128.2KN
V3= 2270.2+505=2775.2KN
V4= 1614+656.2=2270.2KN
V5= 806+808=1614KN
V6= F6=806KN
结构总水平地震标准值示意图(图2)
(二) 底层地震剪力的计算:
1. 楼层刚度比的计算
(1) 底层抗侧移刚度示意(图3)
A 框架抗侧移刚度 毕业论文http://www.751com.cn/ 论文网http://www.751com.cn/
a.单柱的侧移刚度:
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