HDR, the abbreviation of high-damping rubber, is a "low-carbon, environmentally friendly" bridge seismic isolation device jointly developed by CCCC No. 1 Public Construction Engineering Co., Ltd. and Xi'an CCCC Civil Engineering and Technology Co., Ltd. . 〖HDR series high damping and isolation rubber bearings〗A series of standard components for earthquake-absorbing and isolation bridges developed in accordance with the current national standards (GB 20688) and relevant industry specifications, and with reference to European standards. It is a research and development funded by a major provincial and ministerial level scientific and technological project. The patented technological achievements (ZL 200820140412.5, ZL 200920245753.3), this series of products have passed the provincial and ministerial level scientific and technological achievements appraisal (Shaanxi Kejianzi [2010] No. 097) and related certifications, and have been promoted to the People's Republic of China and the National The transportation industry standard (JT 2009-26) is applicable to all types of highways and municipal bridges in earthquake intensity areas of 9 degrees and below. Extended reading: /Service.html
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