钢管混凝土柱防火涂料厚度.docx

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1、1、当圆形截面钢管混凝土柱保护层采用非膨胀型防火涂料时，其厚度可按表8.钢管混凝土柱防火涂料厚度1.1 确定。表8.1.1圆形截面钢管混凝土柱非膨胀型防火涂料保护层厚度IS形做面直径用火板隈A 20A -40 一604一801. 0681O131. S81113172002.0101317232. 5121620253.0141823301.0679121. 581013163002.091216202. 6111419243.。131722281.0S79121. 57912164002.091115192. 5101418233.0121621271.0579111.57912155002

2、. O81114192. S101317233.0121520261.0568111.56811156002.0一811,141B2. 5913 17223.0111519261.0568111. 56811157002.081014182. 591216223.0111419251.0568111. 56811148002. O71013a2.591216213.0101419251. O468111. 5681O149002.071013182.591216213.01O14182S1.0468101. 5681O14102.07913172.581116213.0101318241.04

3、68101.5671O1411002.07913172.58111S203.0101318241.0468101.5S71O1412Z.0791217Z. 581115203.09121724注： = 4LD ,其中L为柱的计算长度,D为柱截面直径。3、当圆形截面钢管混凝土柱保护层采用金属网抹M5普通水泥砂浆时，其厚度1.2 确定。表8.1.2矩形截面钢管混凝土柱非膨胀型防火涂料保妒层厚度题膨面版边尺寸(mm)火极限1保 4rS 摩厘 A -20A-40A- 60*8O1.09891。1. 5131212142002. O16IS161925201920233. O242424271O7773

4、1. 5111O1O1Z3002. O141313162. 5171616193. O201920231.076671. 5999114002. O121112142. 5151415173. 0181617201.06671. 59881O5002.O11IO11132. 5141313l3. O16ISl181.O65G61. 587896002. O1O91O122 5131212143. O151416171. O5551. 577787002. O1O99112. 5121111133. O141313161. O55661. 57G78002. O9891O2. 5111O1113

5、3。131213151. O54551. 57669002. O9881O2. 51O1O1O123.O121112141. O44451 5667ooo2.Oa8892. S1O91O123. O1211141. O44451. S666711OO2 O87892. 51O991 13. 01011131. O444S1. 565712002. O87792. 5999113. O111O11】3注 = 2aD或25LB,其中L为柱的计算长度D和B分别为柱藏面长边和短边尺寸.可按表8.1.3确定。表8.1.3圆形截面钢管混凝土柱金属网抹M5普通水泥砂浆保护层厚度剧形稽卤直径耐火极限保护隈厚旅

6、*Z.A *-20A - 40-60X - 801.0223243511S304257682002035S168812. 5415878933. 04666891061. O202941501. 5263954673002. O314665802. 5365374923. 0416084104l018273950I. 5243652664002.0294462792. 5335072913.0375781103l0172638491. 5223551666002. O274261792. 5314870903 O3554791021.0162537491. 5213349656002. 025

7、4059782. 5294668903. 03352771021.0152437491. 5203248657002.0243958782. 5284467893.03150761O11.0152436491. 51931486S8002.0233857772.5274366893.03049741011.014233548lS193147649002.02237567725264265883.02948731OO1.0142235481 51830466410002. O223656772. 5254164883.02847721OO1. O132234481.51829466411002.

8、0213555772.5244063883.027467110O1. O132234481.51729456412002.0203454762. 5244062883.027457199注：入= 4LD ,其中L为柱的计算长度,D为柱截面直径。4、当矩形截面钢管混凝土柱保护层采用金属网抹M5普通水泥砂浆时，其厚度可按表8.L4确定。表8.1.4矩形截面钢管混凝土柱金属网抹M5普通水泥砂浆保护层厚度囱直径尺寸(mm)耐火板限保护层厚度4(mmA -20A -40-60A-801. 0474951541. S626S68712002. 0788185882. 593971011063.01081131181231.0424446481. 5555860633002.0697275792. 5828690943. 0961001051101.0384042441. 5515356584002. 0636669732.5757983873.08892961011.0363839411. 547S0525S5002.0596265682. 57074788