碳纤维布抗弯加固混凝土梁的非膨胀型防火涂料厚度.docx

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1、碳纤维布抗弯加固混凝土梁的非膨胀型防火涂料厚度耐火 极限 (h)(mm) x0.50. 550.60. 6250. 650. 6750.70. 7250. 750. 7750.81.00. 1150000078131824292000000077111622250000000771015300000000007935000000000070.2150000781319243037200000077121722282500000077111621300000000771015350000000007940000000000070.315000781319253137442000007712172

2、22935250000077111621273000000077101520350000000071014400000000007945000000000770.4150077131824313744200007711172329354125000007101621273330000000710152026350000000710152040000000007914450000000077101.50. 115071824313846200011172330364325007111622283542493000071016222834414835000071016222734404000007

3、71116222733450000077111622270.21501224313846200717233037442500101622293542503000710162228354249350007111622283441484000077111622283441耐火 极限 (h)(mm) 0.50. 550.60. 6250. 650. 6750.70. 7250. 750. 7750.84500007712172328340.315717313846一20010232936442507162229354350300010162228354249350071016222835414840

4、00071116222835414845000771217232935410.41510223745一20715283643一250921283542503007152128344149350091521283441484000710162228344148450007111722293542482.00. 1151731472010233745一257162937443001023293644350717233037444007121724303744450071318243138450.2152338一20163045259223744一30716293744350102330374440

5、07172430374545071218253138450.3152945一202136一25152844309223644一35716293644一4001123303745450718243138450.41535202743一252034一30142743耐火 极限 (h)(mm) v0.50. 550.60. 6250. 650. 6750.70. 7250. 750. 7750.8358213543一40716293644一4501123303745注:表中万为常温下加固梁跨中受弯承载力相比于非加固梁的提高百分比;C为纵筋的混凝土保护层厚度； M为高温下按简支梁计算的梁跨中组合弯矩；MU为常温下加固梁的跨中受弯承载力；“一”表示在该条件 下使用当前防火措施无法实现规定的耐火极限要求。