ְؿ
ڹҵأУؿӦ÷dz㷺ʹӲͬĽǶһ˽ؿ顣
һؿؿ飬ֽؿ飬ְؿ飬ؿȡУԸְؿӶࡣϸְܸؿ顣
ְؿƷҪӦͻе豸촬֯ɿеѹ豸ұеؿӹغְиӹҵܴ͡Чļͻе豸ƷļӹͬʱΪҼٸְӹ㲿Ĺͼӹɱ
ڳ㣬ǻ/ռǴ㷨ʵϵعܾ4ݶصľѹǿdzͨΪʮK kg/ƽ
㷨ÿ˼70kg һ˫Ų£ʱĽռ30cm 10cm 20.06ƽףľѹǿ1166kg/ƽףԶԶ500kg Dz˶ڻվֻŽȥų
Ǿѹǿغɵ𣺾ѹǿʵ/ʵռܾǼݶdzͨӲʵ棨ˮְȣԷţƲƷʱмغһƽڼӶȵȡ
ʵʹ̼У¿Ǽɣ
1ܳغɵ80% ȷijԼ50ƽ͵200kg/ƽף豸ܴ8000kg
2豸ƽ
3Ƚص豸ŵĺ
4㣺Ϊ3ŻUPS ͵άռ1/3ŵ8000/32666Kg ɡ
ؿ
ѣְ̼壩=7.85/CM3=7850ǧ/M3 ѣְ壩=7.93/CM3
ѣ3=26.6 ѣ4=34. ְ̼㹫ʽ***
ְ㹫ʽ***
㹫ʽ**Ѧ =M*M*mm*7.85=kg
ķ40*40*3: 3.83kg/M
40*20*3 2.873kg/M
п壨=0.5=7.8 kg/
壨1000*2000*2=32 kg/
壨1260*2400*2=48 kg/
ֹܣD-ģ**0.02728=G
D⾶λΪסDZںλΪ ܣD-ģ**0.02466=G
D⾶λΪסDZںλΪ зܣ32*6m = 14.52Kg
Ͳ㹫ʽM=FLp
F:ͲLͲijȡpͲܶ ְM=d2*0.00632
ظֽṹñ
Ϊ֤ؽṹijͷֹһ³ִƻӦݽṹҪԡṹʽӦ״̬ӷֲĺȺۺϿǣѡúʵĸֲƺźͲԡ
ؽṹĸֲ˲Q235֡Q345֡Q390ֺQ420֣Ӧֱйұ̼ؽṹ֡GB/T 700͡ͺϽǿȽṹ֡GB/T 1591Ĺ涨ƺŵĸֲʱӦӦйرĹ涨ҪQ235ѡֻ֡
ؽṹĸֲӦпǿȡ쳤ʡǿȺĺϸ֤ԺӽṹӦ̼ĺϸ֤
ӳؽṹԼҪķǺӳؽṹĸֲĻӦĺϸ֤
Ҫƣ͵ĺӽṹĸֲģӦг³Եĺϸ֤ṹ¶ȵڻ0浫-20ʱQ235ֺQ345Ӧ0C Եĺϸ֤Q390ֺQ420Ӧ-20Եĺϸ֤ṹ¶ȵڻ-20ʱQ235ֺQ345Ӧ-20Եĺϸ֤Q390ֺQ420Ӧ-40Եĺϸ֤
Ҫƣ͵ķǺӽṹĸֲӦг³Եĺϸ֤ṹ¶ȵڻ-20ʱQ235ֺQ345Ӧ0Եĺϸ֤Q390ֺQ420Ӧ-20Եĺϸ֤
ӳؽṹΪֲֹĵIJ״˺ѶZ ʱӦйұȷְܸ塷GB/T 5313Ĺ涨
ֲĵǿֵǿȵıֵԿϵӦݸֲĺȻֱ2-77áǿֵӦ2-78áӵǿֵӦ2-792-81á
һؿְȣ
ӹȣ10mm20mm30mm40mm50mm/60mm70mm80mm/90mm 100mm/110mm120mm/130mm140mm/150mm160mm/170mm180mm/190mm 200mm210mm220mm/230mm240mm/千赢国际官网老虎机mm260mm270mm 280mm/290mm300mm/310mm320mm/330mm340mm/350mm360mm370mm 380mm390mm400mm/500mm
ؿҪʿ棺
Q235B/Q345B/45#20-50mm*1800-2800*120002817.26ְָQ235B/Q345B/45#55-70mm*1800-2800*120001216.71ְָи
Q235B/Q345B/45#71-80mm*1800-2800*120001184.66ְָ
Q235B/Q345B/45#115-120mm*1800-3050*120001817.71ְָ
Q235B/Q345B/45#121-130mm*1800-2800*120001314.69ְָ
Q235B/Q345B/45#131-140mm*1800-2860*110001988.22ְи
Q235B/Q345B/45#141-150mm*1800-2800*10500969.326ְָЭӹ
Q235B/Q345B/45#151-160mm*2000-2900*100001001.36к
Q235B/Q345B/45#161-170mm*1960-2800*9000866.668ְָ
Q235B/Q345B/45#171-180mm*1890-2780*90001100.51
Q235B/Q345B/45#181-190mm*1800-2880*80001788.85Q235Bְи
Q235B/Q345B/45#191-200mm*1680-2850*78001126.66Q345Bְӹ
Q235B/Q345B/45#202-210mm*1700-2790*7500993.66116mndr
Q235B/Q345B/45#212-220mm*1850-2680*70001778.51ְָ
Q235B/Q345B/45# 221-230mm*1700-2800*6500888.588ְָ
Q235B/Q345B/45#231-240mm*1820-2600*8000689.581ְָϼ
Q235B/Q345B/45#241-千赢国际官网老虎机mm*1600-千赢国际官网老虎机0*9000772.996и
Q235B/Q345B/45#252-260mm*1400-2600*8000658.85445#̼ӹ
Q235B/Q345B/45#261-280mm*1620-2520*8000695.541ְֱָӹ
Q235B/Q345B/45#282-300mm*1580-2620*7800725.331ɳֿ
Q235B/Q345B/45#305-320mm*1520-256*7500877.223ɳк
Q235B/Q345B/45#325-340mm*1680-2290*70001055.54ְָи
Q235B/Q345B/45#345-360mm*1580-2280*6800669.654ְָ
Q235B/Q345B/45#365-380mm*1620-2650*6000788.556ְָи
Q235B/Q345B/45#385-400mm*1580-2180*6000488.566ְָؿ
Q235B/Q345B/45#410-440mm*1580-2020*68001105.58ְָ
Q235B/Q345B/45#450-480mm*1620-1650*5000482.664ְָӹ
Q235B/Q345B/45#500-520mm*1580-1650*4000888.688ְָμӹ
ѧ㹫ʽͳ
һѧ
1. ѹ˵ǿ
max=Nmax/A[]
УNΪAΪ
2. ˶ɣӦӦĹϵ
=EŻL=NL/EA
ΪӦEΪϵĵģΪӦ䣬EAΪ˼ĸնȣʾ˼ֿѹԱε
3. ӦٶӦؼǾȷֲģ =Q/AQ
УQΪAQΪ
4. أǶһԣͬһͼζԲͬľزͬ,οͨͼεģxc=0yc=0ʱص㣩
ZľSz=AydA=ycA
УSΪأAΪͼyc Ϊĵľ룬λΪm3
5. Ծ
yĹԾIy=Az2dA
УAΪͼzΪĵyľ룬λΪ 1