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浏览/检索结果: 共4条，第1-4条 帮助 限定条件 内容类型：专利     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Vehicle time-varying effect based large-span bridge main beam pre-warning method, involves constructing performance degradation position identification index, and defining main beam performance degradation position identification index. 专利 申请日期: 2018-01-01, 公开日期: 2018-05-18 作者:  HUANG H YI T LI H ZHENG C 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/02 Bending beam bridge limiting device, has steel pin whose end is fixed on limit fixing through-hole and radial opening of movable through-hole and another end is fixed on bottom plate to form main beam fixed end and tangential movable end. 专利 申请日期: 2018-01-01, 公开日期: 2018-05-29 作者:  ZHANG Z HAUNG C WANG H JIANG T TAN Y 收藏  |  浏览/下载：5/0  |  提交时间：2019/12/02 Curved beam bridge limit device has steel pin that is inserted into limiting hole of translational fixed end limiting device or radial movable end limiting device and main beam fixed end or tangential movable end is formed. 专利 申请日期: 2018-01-01, 公开日期: 2018-03-02 作者:  ZHANG Z HAUNG C WANG H JIANG T TAN Y 收藏  |  浏览/下载：5/0  |  提交时间：2019/12/02 Bridge pre-stressing concrete box beam transverse structure, has steel strands pre-stressing steel bunch connected with two ends of anchor, and anchorage is connected with steel strands pre-stressing steel bunch and anchor. 专利 申请日期: 2017-01-01, 公开日期: 2017-03-22 作者:  JIANG T ZHANG Z QIU W HAUNG C WANG H 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/03