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[求助]
求给我翻译一下呀、马上就要交了。
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以钢桁梁桥为代表的桁架结构在各类工程设计中越来越多的被采用，连续钢桁梁桥以其跨越能力强、自重小、制造方便、安装速度快、施工工期短等优点成为建造大跨度桥梁时的首选方案。本设计为设计计算跨度为3*120m的下承式变截面双线铁路连续钢桁梁桥。 本设计主要进行上部结构和制动墩的设计。首先进行上部结构设计，主桁节间长度定为12m，桁间距为11.2m，边支点桁高14m，中支点桁高25m。主桁杆件选择箱形截面、横向连接采用工字形截面，拟定截面尺寸。然后利用有限元法建立桥梁结构模型并模拟桥梁结构可能受到的各种荷载，根据桥梁桁架在恒载加活载组合作用下的变形来设置预拱度。然后根据结构在最不利荷载组合作用下的内力值，对杆件进行受力检算并设计节点板和进行节点板的检算。最后进行桥墩的设计，选用重力式桥墩，设计制动墩的形式及截面尺寸，把桁架在支座处的反Sample TextSample TextSample Text力值和桥墩所受的各种附加力进行荷载组合，取最不利组合对制动墩进行检算。 |
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zhtear99
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4楼2013-06-10 23:12:39
黑色腰带
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【答案】应助回帖
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感谢参与，应助指数 +1
zhtear99: 金币+3, 厉害，佩服~欢迎常来，嘿嘿~ 2013-06-10 23:09:48
small非飞(zhtear99代发): 金币+10, 虽然是google的，不过还是辛苦了。但希望以后别用翻译软件哈~ 2013-07-16 18:23:07
感谢参与，应助指数 +1
zhtear99: 金币+3, 厉害，佩服~欢迎常来，嘿嘿~ 2013-06-10 23:09:48
small非飞(zhtear99代发): 金币+10, 虽然是google的，不过还是辛苦了。但希望以后别用翻译软件哈~ 2013-07-16 18:23:07
| Truss structure with steel truss bridge represented in various engineering design is more and more widely adopted, continuous steel truss bridge with its strong spanning ability, light weight, convenient manufacture, installation speed, short construction period and other advantages become the preferred solution to build large span bridge at. The design for the design and calculation of span of 3*120m under variable section of double-track railway continuous steel truss bridge.Design the design of the main structure and the braking pier. Firstly, the upper structure design, the main truss internode length is 12M, girder spacing of 11.2m, and high 14m in the fulcrum fulcrum truss, truss 25m. The main truss member selection box section, transverse connection adopts I-shaped cross-section, developed section size. And then establish the bridge structure model and various load simulation of bridge structure by using the finite element method, according to the deformation of bridge truss under constant load and live load under combined to set pre-camber. Then according to the internal forces of the structure under the most unfavorable combination of loads, stress calculation and design of gusset plate and gusset plate calculation of rod. Finally the bridge design, selection of gravity pier, form and the section size of the braking pier, the additional stress on the bearing truss by the Sample TextSample TextSample Text force value and the pier load combinations, the most unfavorable combination calculation of braking pier |
2楼2013-06-10 20:33:35
黑色腰带
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A steel truss bridge truss structure represented by the various types of engineering design is increasingly being adopted for its continuous steel truss bridge crossing ability, small weight, ease of manufacture, installation speed, short construction period, etc. become construction of large-span bridges the preferred solution. The design for the design calculations span of 3 * 120m of variable cross section under the deck wire Railway Continuous Steel Truss Bridge. The design is mainly for the upper structure and braking pier design. First, for the upper structure design, the length of the main truss section as 12m, truss spacing of 11.2m, side stringers pivot high 14m, high beam fulcrum 25m. Main truss rod selection box sections, connected by transverse-shaped cross-section, intended sectional dimensions. Then using the finite element method to build a bridge structure model and simulate the bridge structure may be subject to various loads, according to the bridge truss dead load plus live in deformation under load combinations to set camber. Then according to the structure in the most unfavorable load combination internal forces under the action of the force rod for inspecting calculation and design for gusset plate and gusset plate check calculation. Finally pier design, selection of gravity piers, pier design in the form of brake and cross-sectional dimension, the truss at the supports anti-Sample TextSample TextSample Text force value and the pier suffered various additional force load combinations, taking the most unfavorable combination pier for the brake check calculation. |
3楼2013-06-10 20:35:25
5楼2013-06-10 23:50:58
