Recently, the report on the problem of cutting corners on the Lai Rong high-speed railway has sparked heated discussions on the Internet. In response to this problem, the State Railway Administration and Shandong Province jointly set up a high-level joint investigation team, organized more than 120 professionals to conduct on-site investigations, and carried out detailed technical checks and guidance. After more than two months of investigation, the investigation team conducted a comprehensive combing and analysis of the existing problems, and finally came to a basic conclusion: there is no problem of cutting corners on the Lai Rong high-speed railway, and the safety and quality of the project have not been affected.
In response to the problem that the length of the threaded pile construction pile reported by the first merchant did not reach the design pile length, the investigation team found that the geological characteristics of the subgrade section were complex, and the thickness of the granite regolith layer and the undulation of the regolith interface changed greatly. In this case, the actual pile length is consistent with the geological exploration results, and the pile end of the threaded pile has entered a better bearing layer, and there is no situation of cutting corners. Although some of the pile lengths do not meet the design standards, the construction unit has taken measures to ensure the safety of the construction, and there will be no potential safety hazards in the project.
The survey results show that there are some problems in the construction process of the Lai Rong high-speed railway, such as design changes, non-standard construction management, and imperfections in project subcontracting. For example, in the case that the pile length cannot meet the design requirements, the construction party did not make design changes in time, but consulted with the construction and design units through the supervision unit. Although these problems do exist in the process of engineering construction, they do not affect the safety and quality of the entire project. The Lairong high-speed railway has passed the acceptance of continuous dynamic testing of the whole line, which ensures the smoothness and safety of the line and meets the requirements of high-speed train operation.
The credibility of the investigation team can be analysed from a number of perspectives. First of all, this joint investigation team was jointly initiated by the State Railway Administration and Shandong Province, and has a very high standard and authority. Second, the investigation process involves a large number of professionals and multiple arguments, and it is not easy to be swayed by individual interests. Thirdly, the construction party was unable to cut into the work of the investigation team, which ensured the fairness and objectivity of the investigation. Therefore, it can be said that the findings of the Joint Investigation Unit have a high degree of credibility.
Some netizens expressed doubts about the claim in the survey results that there was no cutting corners. They believe that there is a situation that the pile length does not meet the design standards in the construction process, so why does the construction unit not settle according to the actual pile length, is it not considered to cut corners?In fact, from the point of view of engineering construction, this special situation cannot be classified as cutting corners. During the construction process, the production of pile lengths was carried out in accordance with the design requirements. Although there may be some special circumstances that cannot be fought during the construction process, according to the safety indicators and quality requirements, as long as the construction meets the design requirements, it can be regarded as a qualified project, rather than cutting corners.
All in all, the investigation results of the Lai Rong high-speed railway show that there is no problem of cutting corners in the project, and it does not affect the safety and quality of the project. However, this incident also exposed some problems in the construction of the project, such as design changes, non-standard construction management, etc. For these problems, all relevant parties should take timely measures to solve them to ensure the smooth progress of the project and the controllable quality.
The impartiality and objectivity of the survey results have been recognized by many parties, which shows that under the joint investigation of the State Railway Administration and Shandong Province, the relevant units attach great importance to the construction of the project, and pay attention to professionalism and authority in the investigation process. In the future, in the construction process of major projects such as high-speed rail, we should pay more attention to the compliance of the process and the controllability of quality to ensure the safety and sustainable development of the project.