摘要：【中文】本发明公开了一种大跨悬索桥加劲梁架设系统及其使用方法，在主缆上安装临时吊索，进而安装承重索托梁并架设行走承重索机构，利用主缆承重，充分节省了架梁设备，牵引机构在第一卷扬机的带动作用下，带动已获取加劲梁的加劲梁运输提升装置沿行走承重索机构长度方向从其中一个桥塔移动直至到达安装位置，然后继续前进到达另一个桥塔再取加劲梁，施工效率提升一倍，且只用1个加劲梁运输提升装置就能实现加劲梁从主缆的跨中向两侧对称安装，解决了山区交通运输不便、垂直起吊高度太大时大跨径悬索桥加劲梁架设的难题，另外牵引机构的转动绳设置为环形并直接安装在承重索托梁上，由第一卷扬机带动，避免了以往牵引机构直接与卷扬机连接而盘绳压力大的问题。 【EN】The invention discloses a large span suspension bridge stiffening girder erection system and a use method thereof, wherein temporary slings are installed on a main cable, and further a bearing rope joist is installed and a walking bearing rope mechanism is erected, the main cable is used for bearing, girder erection equipment is fully saved, a traction mechanism drives a stiffening girder transportation lifting device which acquires the stiffening girder to move along the length direction of the walking bearing rope mechanism until the stiffening girder transportation lifting device reaches an installation position, then the traction mechanism continues to advance to reach another bridge tower and then the stiffening girder is taken, the construction efficiency is doubled, and the stiffening girder can be symmetrically installed from the span of the main cable to two sides by only 1 stiffening girder transportation lifting device, thereby solving the problems of inconvenient transportation in mountainous area transportation and erection of the large span suspension bridge stiffening girder when the vertical lifting height is too large, in addition, the rotating rope of the traction mechanism is arranged in a ring shape and is directly installed on the bearing rope joist, driven by first hoist engine, avoided in the past that drive mechanism directly is connected and the big problem of wire rope pressure with the hoist engine.

摘要：【中文】本发明公开了一种钢混组合结构剪力件连接装置及其施工方法，包括底部支撑件以及位于其顶部的钢混组合结构剪力件；所述预埋剪力件包括，槽形板以及位于顶部的工字钢，还包括混凝土结构，且在工厂将预埋剪力件中工字钢预埋在混凝土结构内，形成预制混凝土板。本发明可实现预制混凝土板和底部支撑件快速、可靠连接，施工工期短、全寿命周期内混凝土板易更换的技术效果，可广泛应用于建筑快速施工领域。 【EN】The invention discloses a steel-concrete composite structure shear member connecting device and a construction method thereof, wherein the steel-concrete composite structure shear member connecting device comprises a bottom supporting member and a steel-concrete composite structure shear member positioned on the top of the bottom supporting member; the embedded shear member comprises a groove-shaped plate, I-shaped steel and a concrete structure, wherein the I-shaped steel is positioned at the top of the groove-shaped plate, and the I-shaped steel in the embedded shear member is embedded in the concrete structure in a factory to form a precast concrete plate. The invention can realize the technical effects of quick and reliable connection of the precast concrete plate and the bottom support piece, short construction period and easy replacement of the concrete plate in the whole life cycle, and can be widely applied to the field of quick construction of buildings.

摘要：【中文】一种基于SLM工艺用锰铜阻尼合金粉末及其制备方法，属于增材制造用金属材料技术领域。该粉末的化学成分按重量百分比为C：≤0.15％、Ni：4.9～5.2％、Si：≤0.15％、Fe：1.8～5.0％、Cu：20～23％、P：≤0.03％、S：≤0.06％，余量为Mn及不可避免的杂质元素。制造工艺包括：母合金制备，真空感应熔炼气雾化法VIGA制粉，惰性气体保护下机械振动与气流分级筛粉与收集。与现有技术相比，该粉末球形度高，松装密度高，休止角小，流动性好且15～53μm的细粉收得率较高，可应用于航空航天、船舶增材制造领域用减震阻尼的零部件，也可推广至交通、核电的精密电子仪器的增材制造领域，具有广阔的市场前景。 【EN】A manganese-copper damping alloy powder based on an SLM (selective laser melting) process and a preparation method thereof belong to the technical field of metal materials for additive manufacturing. The powder comprises the following chemical components in percentage by weight: less than or equal to 0.15 percent, Ni: 4.9-5.2%, Si: less than or equal to 0.15 percent, Fe: 1.8-5.0%, Cu: 20-23%, P: less than or equal to 0.03%, S: less than or equal to 0.06 percent, and the balance of Mn and inevitable impurity elements. The manufacturing process comprises the following steps: preparing mother alloy, preparing powder by vacuum induction melting gas atomization method VIGA, mechanically vibrating under the protection of inert gas, classifying and screening powder by airflow and collecting. Compared with the prior art, the powder has the advantages of high sphericity, high apparent density, small angle of repose, good fluidity and high yield of 15-53 mu m fine powder, can be applied to damping parts in the fields of aerospace and ship additive manufacturing, can also be popularized in the field of additive manufacturing of traffic and nuclear power precision electronic instruments, and has wide market prospect.