<br/> <div class="O" vshape="_x0000_s1026"><div style="mso-line-spacing: '100 50 0'; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><font size="7"><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">一、分</span><span lang="EN-US" style="FONT-SIZE: 24pt; FONT-FAMILY: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN;">8</span><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">种工况对脱硫塔进行强度分析: </span></font></div><div style="mso-line-spacing: '100 50 0'; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><font size="7"><span lang="EN-US" style="FONT-SIZE: 24pt; FONT-FAMILY: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN;">(1) </span><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">塔自重; </span></font></div><div style="mso-line-spacing: '100 50 0'; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><font size="7"><span lang="EN-US" style="FONT-SIZE: 24pt; FONT-FAMILY: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN;">(2) </span><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">塔自重、液体静压力、内压; </span></font></div><div style="mso-line-spacing: '100 50 0'; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><font size="7"><span lang="EN-US" style="FONT-SIZE: 24pt; FONT-FAMILY: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN;">(3) </span><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">塔自重、液体静压力、风压; </span></font></div><div style="mso-line-spacing: '100 50 0'; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><font size="7"><span lang="EN-US" style="FONT-SIZE: 24pt; FONT-FAMILY: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN;">(4) </span><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">塔自重、液体静压力、地震; </span></font></div><div style="mso-line-spacing: '100 50 0'; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><font size="7"><span lang="EN-US" style="FONT-SIZE: 24pt; FONT-FAMILY: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN;">(5) </span><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">塔自重、液体静压力、地震、</span><span lang="EN-US" style="FONT-SIZE: 24pt; FONT-FAMILY: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN;">0.25</span><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">倍风压; </span></font></div><div style="mso-line-spacing: '100 50 0'; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><font size="7"><span lang="EN-US" style="FONT-SIZE: 24pt; FONT-FAMILY: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN;">(6) </span><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">塔自重、液体静压力、内压、风压; </span></font></div><div style="mso-line-spacing: '100 50 0'; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><font size="7"><span lang="EN-US" style="FONT-SIZE: 24pt; FONT-FAMILY: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN;">(7) </span><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">塔自重、液体静压力、内压、地震; </span></font></div><div style="mso-line-spacing: '100 50 0'; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><font size="7"><span lang="EN-US" style="FONT-SIZE: 24pt; FONT-FAMILY: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN;">(8) </span><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">塔自重、液体静压力、内压、地震、</span><span lang="EN-US" style="FONT-SIZE: 24pt; FONT-FAMILY: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN;">0.25</span><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">倍风压</span></font></div><div style="mso-line-spacing: '100 50 0'; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><font size="7"><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">二失稳分析</span></font></div><div style="mso-line-spacing: '100 50 0'; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><font size="7"><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';"> <span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 宋体; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">由于失稳是压应力过大引起,而内压在轴向和周向均产生拉应</span><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 宋体; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">力,故在稳定性计算中,不计内压影响。在液柱静压力作用下,</span><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 宋体; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">塔体下部会产生弯曲变形,降低塔体轴向稳定性。因此对结构在</span><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 宋体; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">自重、风载荷、地震载荷单独作用下时进行屈曲分析时,将液柱</span><span style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 宋体; mso-fareast-font-family: 宋体; mso-hansi-font-family: 'Times New Roman';">静压力作为不变的载荷施加在结构上。</span><br/> <div style="mso-line-spacing: '100 50 0'; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"></div></span></font></div></div><br/>
[此贴子已经被2443725于2007-2-25 23:13:27编辑过]
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