穿条式隔热铝合金型材等效惯性矩计算、开口铝合金立柱强度折减系数、面内受弯构件屈曲临界弯矩计算方法、槽式预埋件设计.docx

《穿条式隔热铝合金型材等效惯性矩计算、开口铝合金立柱强度折减系数、面内受弯构件屈曲临界弯矩计算方法、槽式预埋件设计.docx》由会员分享，可在线阅读，更多相关《穿条式隔热铝合金型材等效惯性矩计算、开口铝合金立柱强度折减系数、面内受弯构件屈曲临界弯矩计算方法、槽式预埋件设计.docx（31页珍藏版）》请在优知文库上搜索。

1、附录A穿条式隔热铝合金型材等效惯性矩计算A.0.1穿条式隔热铝合金型材（如图AOl所示）等效惯性矩应按式A.0.1JA.0.1-5计算。A铝型材1区的截面积；A2铝型材2区的截面积；Si铝型材1区的形心；S2铝型材2区的形心；S隔热铝合金型材的形心；Ii-I区型材惯性矩；1.2区型材惯性矩；(A.0.1-1)(A.0.1-2)(A.0.1-3)(A.0.1-4)(A.0.1-5)ai1区形心到隔热铝合金型材形心的距离；a2-2区形心到隔热铝合金型材形心的距离Zs（I-V）efl-vs=1+2+A1a1+A2a11a?+i42?v=/1SA2源+不2=_C_EIsV（I-V）式中：7S刚性惯性矩

2、（mid）；v作用参数；组合参数；一几何形状参数；1.隔热型材的承载间距（横梁或立柱的计算跨度，单位mm）；1区形心与2区形心间距（mm）；铝合金的弹性模量（MPa）；组合弹性值（MPa）,是在常温20。C环境条件下，纵向抗剪试验中负荷-位移曲线的弹性变形范围内的纵向剪切力增量AF与相对应的两侧铝合金型材出现的相对位移增量Ab和试样长度/乘积的比值。A.0.2穿条式隔热铝合金型材组合弹性值。应按下式计算:(A.0.2)A尸c=式中：F5Z负荷-位移曲线上弹性变形范围内的纵向剪切力增量（N）；负荷-位移曲线上弹性变形范围内的纵向剪切力增量相对应的两侧铝合金型材的位移增量（mm）;试样长度（mm）

3、。附录B开口铝合金立柱强度折减系数B.0.1表BOl-IB.0.1-4为6063T5开口铝合金立柱的强度折减系数，当采用其它牌号或其它合金状态的铝合金型材时，应再乘以系数后，九应选用GB5237.1中抗拉强度%。1.为同一单元板块中最大的相邻横梁间距。中间值可用插值法求出。图B.0.1-1开口铝合金柱一A类截面表B.0.1-1开口铝合金立柱强度折减系数一A类截面X20253035404550100O0.8400.8380.8360.8340.8320.8300.82812500.8320.8300.8280.8260.8240.8220.82015000.8230.8210.8190.8170

4、.8150.8120.81017500.8130.8110.8080.8060.8040.8010.79920000.8020.7990.7960.7940.7920.7890.78722500.7910.7850.7820.7800.7780.7750.77325000.7790.7700.7670.7650.7620.7590.75727500.7670.7540.7510.7480.7450.7420.74030000.7550.7370.7330.7300.7270.7240.72232500.7430.7190.7140.7110.7080.7050.70335000.7310.70

5、00.6940.6910.6880.6850.68337500.7190.6800.6730.6700.6670.6640.66240000.7060.6590.6510.6480.6450.6420.640图B.0.12开口铝合金柱一B类截面表B.0.1-2开口铝合金立柱强度折减系数一B类截面2025303540455010000.8430.8390.8360.8330.8300.8270.82412500.8360.8310.8280.8250.8220.8190.81615000.8280.8220.8190.8160.8130.8100.80717500.8190.8120.8090.

6、8060.8030.8000.79720000.8100.8010.7970.7940.7910.7880.78522500.8000.7890.7850.7810.7780.7750.77225000.7890.7760.7710.7670.7640.7610.75827500.7780.7620.7560.7520.7490.7460.74330000.7670.7470.7400.7360.7330.7300.72732500.7560.7310.7230.7190.7160.7130.71035000.7450.7140.7050.7010.6980.6950.69237500.734

7、0.6960.6860.6820.6790.6760.67340000.7220.6770.6660.6620.6590.6560.653图B0.13开口铝合金柱一C类截面1铝型材表B.(H3开口铝合金立柱强度折减系数一C类截面720253035404550100O0.8440.8420.8400.8380.8360.8340.83212500.8370.8320.8300.8280.8260.8230.82115000.8300.8220.8190.8170.8140.8110.80917500.8220.8110.8080.8050.8010.7980.79620000.8140.7990

8、.7950.7910.7870.7840.78222500.8050.7860.7810.7760.7720.7690.76725000.7960.7720.7660.7610.7560.7530.75127500.7870.7580.7500.7450.7400.7360.73430000.7770.7440.7340.7280.7230.7180.71632500.7670.7290.7170.7110.7050.6990.69735000.7570.7140.6990.6920.6860.6800.67737500.7470.6990.6810.6730.6660.6600.656400

9、00.7370.6840.6630.6520.6450.6390.635图B.0.1.4开口铝合金柱一D类截面1铝型材；2EPDM密封条表B.0.1-4开口铝合金立柱强度折减系数一D类截面72025303540455010000.8170.8140.8110.8090.8070.8050.80312500.8100.8060.8030.8010.7980.7960.79315000.8030.7970.7930.7910.7880.7860.78372025303540455017500.7950.7860.7820.7800.7770.7750.77220000.7860.7740.7700

10、.7680.7650.7630.76122500.7760.7610.7570.7550.7520.7510.74925000.7660.7470.7430.7410.7390.7380.73627500.7560.7330.7280.7260.7250.7240.72230000.7460.7180.7130.7110.7100.7090.70732500.7350.7030.6970.6940.6930.6920.69035000.7240.6870.6800.6750.6740.6730.67137500.7130.6710.6620.6560.6540.6520.65040000.70

11、20.6550.6430.6360.6330.6300.628附录C面内受弯构件屈曲临界弯矩计算方法C0.1对于面内受弯构件（图C.0.1）,其屈曲临界弯矩可按下式计算:1玻璃层；2中间层胶片式中：MCr面内受弯构件的屈曲临界弯矩（Nmm）;Cl、C2系数，对于简支梁按表C.0.1取用；Gf夹层玻璃截面绕弱轴的等效惯性矩（mn）;GJeff构件绕形心轴自由扭转刚度（Nmm2）,按本规程第C.0.2条计算；1.夹层玻璃构件的计算跨度（mm）；%一荷载在截面上的作用点与截面剪力中心间的距离，当荷载作用方向指向剪心时，力取负值，当荷载作用方向背离剪心时，力取正值；表C.0.1不同荷载类型的C、C2荷

12、载类型ClC2跨中无侧向支承点跨中集中荷载1.370.55满跨均布荷载1.150.47纯弯曲1.000.00跨中有一个侧向支承点跨中集中荷载1.750.00满跨均布荷载1.390.14C.0.2对于各层单片玻璃厚度相同的夹层玻璃，绕截面形心轴自由扭转刚度GJeff可按下列公式计算：1Geff=小I1一%(C.0.2-1)GJtotMJht,J=(C.0.2-2)j3hozot=O(nt)3(C.0.2-3)1t=S+l)intG(1.2+h2)(C.0.2-4)九GEQ2式中：Jeff夹层玻璃的等效扭转惯性矩(mm4)；t单片玻璃的厚度(mm)；九梁截面高度(mm);n玻璃板层数；J单片玻璃的自由扭转惯性矩(mn);Jtot夹层玻璃截面完全组合时的自由扭转惯性矩(mn);机一与夹层剪切模量有关的系数；mt中间层胶片厚度(mm)；1.夹层玻璃构件的计算跨度(mm);G玻璃剪切模量(N/mm2)；Gint中间层胶片剪切模量(N/mm2)。C.0.3当面内受弯构件与面板通过结构胶连续、可靠粘接时，可考虑结构胶对面内受弯构件整体稳定性的有利