Bay Bridge D Demolition Of Ramp Relevant Research

Bridge demolition necessary to accurately assess the carrying capacity of the bridge as a basis for removal methods and bridge construction program based on the degree of disease. At present, the domestic research on bridge demolition is not yet into the system, resulting in a "bridge easily Chaiqiao difficult" embarrassing situation.In this paper, Jiangwan Bridge ramp curve D Beam demolition as an engineering background, according to the carrying capacity of the bridge carrying capacity assessment method first Jiangwan Bridge D ramp curved beams were more accurate assessment; bridge demolition method by comparing the various advantages and disadvantages, and based on the actual situation of Bay Bridge D ramp, targeted to design a reasonable Chaiqiao monitoring program. Then make further Chaiqiao process of monitoring technology and methods throughout the construction process more in-depth study, to ensure the safety of the demolition process, and the remaining portion of the bridge to make the overall stability assessment.Paper, according to the proposed bridge demolition program, the establishment of strict construction monitoring system, the Bay Bridge D ramp test content and the key steps in construction monitoring were analyzed and discussed, the control section of the stress and displacement measuring points and monitoring, and establish the theoretical construction process control computing model, derived target control value control process, so that demolition of the bridge safe successfully completed.