论文部分内容阅读
Tigris河大桥是伊拉克境内哈迪萨至基尔库克之间现代化高速铁路线上最长的一座双线铁路桥。该桥由西德铁路咨询公司担任方案规划、技术设计和咨询监察,由南朝鲜的南光公司主承包施工。本桥上部结构为24孔40m跨度预应力箱型简支梁,下部结构采用外径4.0m、内径为2.8m的圆柱形空心桥墩和U形桥台。本桥桥址处的地质情况较为复杂。夹有孤石的覆盖层厚达20至40m不等,多为砂砾石、
The Tigris River Bridge is the longest double-track railway bridge on the modern high-speed rail line between Haditha-Kirkuk in Iraq. The bridge by West Germany Railway Consulting Company as a program planning, technical design and consulting supervision, South Korea by South Korea’s main contractor construction. The upper structure of the bridge is a 24-hole prestressed concrete box girder with a span of 40m. The lower structure adopts a cylindrical hollow pier with an outer diameter of 4.0m and an inner diameter of 2.8m and a U-shaped abutment. The geological conditions of the bridge site are complicated. Sandwiched with a boulder covering the thickness of 20 to 40m range, mostly gravel,