鋼筋焊接及取樣標(biāo)準(zhǔn)

1、鋼筋焊接及取樣標(biāo)準(zhǔn)鋼筋焊接及取樣標(biāo)準(zhǔn)鋼筋閃光對(duì)焊公稱直徑(mm)公稱面積（mm）2抗拉長(zhǎng)度8d200mm冷彎長(zhǎng)度5d150mm彎心直徑(mm)彎曲角度(度)1078.54280200409012113.1296210489016201.1328230649018254.5344240729020314.2360250809022380.1376260889025490.940027510090鋼筋搭接焊公稱直徑(mm)公稱面積(mm)2

2、雙面搭接焊長(zhǎng)度8d5d200mm單面搭接焊長(zhǎng)度5d10d200mm雙面焊縫長(zhǎng)5d(mm)單面焊縫長(zhǎng)10d(mm)12113.13563806012016201.14084408016018254.54344709018020314.246050010020022380.148653011022025490.9525575125250鋼筋幫條焊公稱直徑(mm)公稱面積(mm)2雙面四縫幫條焊8d5d200(mm)單面兩縫幫條焊5d10d2

3、00(mm)雙面焊縫長(zhǎng)5d(mm)單面焊縫長(zhǎng)10d(mm)12113.13563806012016201.14084408016018254.54344709018020314.246050010020022380.148653011022025490.9525575125250鋼筋機(jī)械性能試驗(yàn)規(guī)范要求品種屈服抗拉伸長(zhǎng)率不小于冷彎(180。)d=ad=3aф≥28d=4ad=0.5a對(duì)焊接頭彎曲90。外行鋼筋級(jí)別強(qiáng)度等級(jí)代碼公稱直徑公稱

4、面積強(qiáng)度（Mpa）荷載（KN）強(qiáng)度（Mpa）荷載（KN）標(biāo)距（mm）伸長(zhǎng)率（%）彎心直徑（mm）輥間距（mm）反向彎曲正45反彎23。。彎心直徑（mm）850.2711.8118.60402582814161078.5418.4629.0650251035182012113.126.5841.8560251242212414153.936.1856.9670251449252816201.147.2574.398025165628321

5、8254.559.8094.15902518633236光圓鋼筋Ⅰ級(jí)鋼筋GB1301391R235δ5≥2520314.223573.83370116.2410025207035401078.5426.338.485016305528404012113.137.8955.426016366633484814153.951.5775.437016427739565616201.167.3698.528016488844646418254.

6、585.25124.699016549950727220314.2105.24153.94100166011055808022380.1127.34186.27110166612161888824452.2151.55221.67120167213266969625490.9164.44240.531251675137.56910010028615.8206.28301.72140161121829114014030706.5236.8

7、0346.361501612019598150150熱軋帶肋鋼筋牌號(hào)HRB335GB149998δ5≥1632804.2335269.42490394.0816016128208104160160低碳鋼Q215Q2356.533.187.137.8012.4413.60653.2519.510熱軋圓GB70119978.050.2721510.8111.8137518.8520.618027.234.02412盤條δ5≥272310.0