软基路面施工设计须注意的若干问题

Some Questions to be Noted for Construction Design of Subgrade and Pavem ent on Soft Base

结合软基路面施工实际情况 ,讨论软基路基预压期的确定、填土速率的控制标准、桥头软基处理和桥台桩基施工等软基施工中须注意的问题。

Combined with the some questions and actual conditions of the short co nstruction periods existed in the procedure of the subgrade and pavement constru ction on the soft base, the project actual questions of the pre-pressured perio d determination of the subgrade on the soft base, the control standard of the fil ling soil velocity rate, the soft base treatment at the bridge head and the pile base construction at the abutment, the check time and the strength control stan dard of the powder sprinkling pile, the pavement paving in the soft base section , and the speeding up settlement of the shallow soft base etc. are discussed, an d the related determination in the construction of the soft base are presented t o be executed the scientific demonstration.