GUANCHENG
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平臺鋼格板每(mei)平方米(mi)理論重量(含(han)鍍鋅(xin))
鋼格(ge)(ge)(ge)板(ban)(ban)(ban)(ban)的重(zhong)(zhong)量(liang)是(shi)指經過包(bao)邊(bian)和(he)表面(mian)處理(非表面(mian)處理的除外)后的理論重(zhong)(zhong)量(liang).有與包(bao)邊(bian)、開孔和(he)切(qie)口的不(bu)同,實際重(zhong)(zhong)量(liang)與理論重(zhong)(zhong)量(liang)會出現(xian)差異.在工業平臺鋼格(ge)(ge)(ge)板(ban)(ban)(ban)(ban)自重(zhong)(zhong)計算(suan)及鋼格(ge)(ge)(ge)板(ban)(ban)(ban)(ban)交付結算(suan)中,統(tong)一(yi)以理論重(zhong)(zhong)量(liang)為計算(suan)依據.對于長(chang)度(du)小于1m的鋼格(ge)(ge)(ge)板(ban)(ban)(ban)(ban)(例如溝(gou)蓋板(ban)(ban)(ban)(ban))或者需要作特殊(shu)包(bao)邊(bian)的鋼格(ge)(ge)(ge)板(ban)(ban)(ban)(ban),由于包(bao)邊(bian)板(ban)(ban)(ban)(ban)的增(zeng)加(jia),重(zhong)(zhong)量(liang)會隨著增(zeng)加(jia).用扁鋼包(bao)邊(bian),鋼格(ge)(ge)(ge)板(ban)(ban)(ban)(ban)長(chang)度(du)不(bu)小于1m時,按下面(mian)公式計算(suan)鋼格(ge)(ge)(ge)板(ban)(ban)(ban)(ban)理論重(zhong)(zhong)量(liang):
Wt=(b1t1N1+b2t2N2+2b3t3)ρμ×10-6
Wt——鋼格板(ban)重量,單位(wei)為千克每平方米(kg/㎡);
b1——承載扁鋼厚度,單位為(wei)毫米(mm);
t1——承載扁鋼(gang)寬度,單位為毫米(mi)(mm);
N1——每平米(mi)鋼格板中承(cheng)載扁鋼條數;
b2——橫桿厚度,單位為毫米(mi)(mm);
t2——橫桿寬度,單位為(wei)毫米(mm);
N2——每平米鋼格(ge)板中橫桿(gan)條數;
b3——包邊扁鋼厚度(du),單位為毫米(mm);
t3——包邊扁鋼寬度,單位(wei)為(wei)毫米(mm);
ρ—材料(liao)密度(du),單位(wei)為千克每立方(fang)米(kg/m3),鋼(gang)材密度(du)按7850kg/m3計(ji)算;
μ—表面處理(li)增(zeng)重系數,熱(re)鍍鋅增(zeng)重按1.06計算.
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標簽:平臺鋼格板、