天天干天天天天操天天狠,久久精品在线播放,人妻精品久久久久中文字幕69,国产一区二区草草影院,国产经典久久久,97精品国产97久久久久久免费-百度,亚洲高清图片一区二区三区,天天添夭天啪天天谢,99久久成人精品国产免费网站

網站停更公告：本網站定于2025年07月22日起停止更新，特此公告！
進入手機版
地區導航
您當前的位置：海鑫首頁 >

鋼材百科

>

H型鋼

> 正文

2.5H型鋼樁尺寸及允許偏差

項目尺寸允許偏差
高度HH≤400400±30±40
寬度B見下表B±3.0
厚度見下表t1和t2+不限-6.0%t最小值≤-0.8
翼緣斜度kH≤300300k≤1.2%Bk≤1.5%B
腹板偏心度m=│b2-b1││　2│H≤300300≤3.0≤4.5

2.6H型鋼樁理論重量及特性

代號截面尺寸(mm)截面面積（cm2）理論重量(kg/m)表面積S(m2/m)特性參數
HBt1t2γX—XY—Y
Ix(cm4)Wx(cm3)ix(cm)IY(cm4)WY(cm3)iy(cm)
HU20020020412.012.01371.556.21.1749824988.317011864.88
HU250ab24425025225511.014.011.014.0161682.1104.764.482.21.451.4687861148372091810.310.5293838762333045.985.09
HU300abc29430030030230030512.010.015.012.015.015.0181818107.7119.8134.884.594.0105.81.741.751.7616863204092153411471360143512.513.112.65515675471043654504657.167.517.26
HU350abcd33834435035035135435035713.016.012.019.013.016.019.019.020202020135.3166.6173.9198.4106.2130.8136.5155.72.022.042.042.0628189253294029442795166820542302244514.414.615.214.793971184513585144325346697768038.338.438.848.53
HU400abcdef38839440040041442840240540040840540715.018.013.021.018.020.015.018.021.021.028.035.0222222222222178.5214.4218.7250.7295.4360.7140.1168.3171.7196.8231.9283.12.322.332.342.352.372.41489635971166620708859276911920225233031333135444481557016.616.717.516.817.718.216257199542241123808310263936080893511201167153219349.549.6510.129.7510.2510.45
HU500abc49250250246546547015.515.020.020.025.025.0262626259.6306.1331.2203.8240.3260.02.772.792.8011801114672715199847975845605521.321.921.433537419164330414421802184211.3711.7011.43

0
關于海鑫　┊　法律聲明　┊　聯系方式　┊　信息管理監控　┊　海鑫鋼材信息網

©2008-2023　福建明海鑫企業股份有限公司　閩ICP備07035527號-1　閩公網安備 35040302610038號