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- The coal seam tunnel of compound mudstone roof of large span is the tunnel that is violent out of shape,roof is easy falling and safeguard is very difficult. 大跨度复合泥岩顶板煤层巷道是围岩变形剧烈且顶板易冒落、极难维护的巷道。
- The aerodynamic interference effects on aerostatic coefficients of twin deck bridges with large span were investigated in details by means of wind tunnel test. 摘要针对大跨度双幅桥面桥梁三分力系数的气动干扰问题,采用风洞试验方法对某在建大跨度双幅桥面桥梁的气动干扰效应进行研究。
- Large span double box-beam rod structure is born out of BSS. 大跨度双箱梁钢棒拉杆组合钢结构即脱胎于张弦梁结构。
- Wind pressure distribution on a large span station awning at nine different wind incidences was measured in wind tunnel test.Based on the data of the experiment, figures of isobar were drawn. 摘要通过某火车站雨棚1:100的模型风洞测压试验,研究了9个来流方向下雨棚表面的风压分布。
- The dome structure has unique advantage among the large span structures. 大跨度结构中,穹顶结构有着独特的优越性。
- Finally, after studying the divisiory method for urban tunnel level of service(LOS), the evaluation system for urban tunnel LOS is established. 研究了地下道路服务水平划分方法,建立了地下道路服务水平评价体系。
- Simulation Study on Large Span Road Tunnel by FEM 大跨度公路隧道有限元模拟研究
- large span flat multi-arch tunnel 大跨度连拱隧道
- Hanjialing large span road tunnel 韩家岭大跨度公路隧道
- RESEARCH ON LATERAL WIND VIBRATION PERFORMANCES OF A LARGE SPAN TRUSS STRUCTURE OF BAOSTEEL CO. LTd. 上海宝钢大跨桁架横风向风振性能研究。
- The Application of the Prestressed Concrete of Bonded Post Tensioning in the Construction of a Large Span Roof Truss. 后张法有粘结预应力砼在大跨度屋架施工中的应用
- Excessive midspan lag is one of the main problems of large span prestressed concrete girder bridges. 跨中下挠过大是大跨预应力混凝土梁桥的常见病害。
- It constitutes a common problem that urban tunneling exerts negative influences on nearby existing structures. 摘要地铁施工对邻近既有构筑物的影响是城市轨道交通建设中的常见问题。
- The newly built bridge on the Yellow river, having a large span, is full of momentum. 这个新建的黄河桥,气势宏伟,跨径很大。
- Research on Basic Capacity for Urban Tunnel 地下道路理论通行能力研究
- With greater width, the stiffening plate on a large span steel bridge is usually of the orthotropic type. 大跨度钢桥加劲板件由于板件幅面较大,一般采用正交异性加劲板件。
- The large span large section of the roadway surrounding rock stability analysis supporting the proposed overall idea. 通过对大断面大跨度巷道围岩稳定性的分析,提出了支护的总体思路。
- It introduces several problems of overhanging structure and 32m large span local transitions. 计算结果表明,结构的多项控制指标均满足规范要求,结构设计方案合理。
- The spatial reticulated shells are dynamic-sensitive structures because of large span and spatial multiformity. 空间网壳跨度大、空间造型多样,往往属动力敏感性结构。
- Comment About Two Underground Urban Tunnel Waterproof Systems 两座地下城市隧道防水评述