1、Viscous fluid dampers粘性流体阻尼器The shock transmission units ALGASISM FD are able to allow slow movements,like those obtained from without valuable resistance and stiffly react to dynamic actions like those due to braking or seismic events.震动传输单位 ALGASISM FD 能够允许缓慢运动，像从没有宝贵的阻力和生硬的行动作出反应的动态一样，由于刹车或地震事件。T
2、hanks to an up to date technology studied by ALGA,they are simple,economic,and maintenance free.这要归功于一个最新技术的研究，ALGA，他们很简单，经济，免维护。Thanks to the particularly steadiness of the fluid,they are suitable in the range of tenperatures from -40+50。由于特别是稳定的液体，它们合适的温度范围是 -40 度 50 度 。The shock transmission unit
3、s ALGASISM FD,in their standard type,are manufactured in order to guarantee,within the range of the foreseen temperatures,the following performances:being F the designforce:震动传输单位 ALGASISM FD，在其标准型，是人造的 ，以确保在范围内的预见温度，下面的表演：being F designforce ：Applying to the piston bar a velocity V11mm/s the reacti
4、on results 适用于酒吧活塞速度 V1 1 毫米/秒的反应结果 Applying to the piston bar a velocity V20.01 mm/s the reaction results0.1F适用于酒吧活塞速度 V2 0.01 毫米/秒的反应结果0.1FThese parameters can be suitably modified for particular design requirements.这些参数可以适当修改为特定的设计要求。The behaviour for dynamic loads is shown in the following schem
5、e where the movement is function of the shock transmission units properties.该行为的动态负载显示在下面的计划是在运动功能的传输单位的冲击性能。MAINTENCE维修The shock transmission units ALGASISMFD are maintenance free.It is advised an external inspection after the first 10 years and successively every 5 years, verifying and,restoring t
6、he anticorrosion protection of the metal parts and dust bellow if necessary.震动传输单位 ALGASISM FD 是免维护。最好的外部检查是在头 10 年后，之后每 5 年，核实，如有必要可以恢复了防腐保护的金属零件和灰尘娄。ALGASISM FD shock transmission units are guaranteed for 35 years.ALGASISM FD 震动传输单位都保证了 35 年。The load/deflection plots below shows a shock transmissi
7、on unit under qynamic conditions.the plot was obtained in 1989.the plot on the right,for the same device,was obtained in 1997,after 8 years service and doesnt show any modification of the performance.负载/图所示挠度的冲击下传输单位 qynamic 条件。这一计划获得了 1989 年。这一计划的权利，同样的设备，获得了 1997 年，经过 8 年的服务和没有表现出任何修改性能。Applicatio
8、n fields应用领域the viscous fluid dampers ALGASISM FD can be applied advantageously when it is required that the structure changes its static scheme in case of earthquake or other dynamic event.在粘性流体阻尼器 ALGASISM FD 可应用于有利时，要求其静态结构变化的情况下计划，地震或其他动态的事件。In this way the forces produced by earthquake can be t
9、ransferred to those points,suitably dimensioned, stated by the designer,but in order to freely allow the slow mowements.以这种方式所产生的力量地震可以被转移到这些问题，适当的尺寸，所指出的设计师，而是为了让自由缓慢运动 。A very common application is in series with hysteretic dampers一个非常常见的应用是在与滞回阻尼器系列In the case they can allow a free movement of th
10、e structures for slow movements caused by creep,shrinkage of temperature effects.如果他们能允许结构的自由流动变动造成的缓慢爬行，收缩温度的影响。In case of earthquake they behave as rigid connection transferring the horizontal load to the hysteretic dampers that will deform dissipating energy.在发生地震，他们表现为刚性连接的横向负荷转移的滞回阻尼器，将变形耗散能量。Q
11、UALITY ASSURANCE质量保证ALGA has got ready different types of hydraulic and antiseismic devices for bridges and viaducts.The design,the production and the installation are performed in accordance to a Quakity System,conforming to the UNIENISO 9001.94,certified from IGO.ALGA 已做好准备不同类型的液压和抗震装置的桥梁和高架桥。设计，生
12、产和安装是在按照一个 Quakity 系统，符合 UNIENISO 9001.94 ，认证由 IGO。The numerous experimentations on the production are performed also beside ours Laboratories where it is available,for the static tests and seismic simulations,a 250KW MTS equipment众多的生产试验，还履行我们实验室是可利用，用于静态试验和地震模拟，一个多边贸易体制设备 250KWNovember 5th 1997 to
13、 the presence of responsible of the AUTOSTRADE S.p.A.,we have effected any dynamic tests on of a couple of viscous fluid dampers,withdrawn after five years of service on the structure,from bearings PnuD type 12000/160-640,supplied for the Coltano viaduct of the A12 Livorno-Civitavecchia Highway1997
14、年 11 月 5 日的存在负责的 AUTOSTRADE S.p.A.，我们有见效的任何动态试验的一对粘性流体阻尼器，撤回经过 5 年的结构的服务，由轴承 PnuD 类型 12000/160-640 ，供应高架桥的 Coltano 的 A12 往利沃诺-西威塔公路The tests have been carries out on both the devices ,installed singularly on the test equipment through a structure of contrast这些测试已经进行了两个设备，安装奇异的测试设备，通过结构的对比At first th
15、e slow movement tests are carried out ,subsequently the others dynamic tests,always checking,in real time,the displacement,the resistant strength that one it developed during the movement of the device and increasing the gradually values up to the maximum design load.起初，行动缓慢进行测试，随后其他动态试验，总是检查，实时，流离失所，抗强度，一个开发中的移动设备和逐步增加值的最高设计荷载。
