Core Viewpoint - The completion of the Harbin New District Summer Resort Tourism Industrial Park infrastructure project marks a significant achievement for China Communications Construction Company (CCCC) and is crucial for the urban development strategy of Harbin City [2] Group 1: Project Overview - The project includes the construction of five municipal roads, forming a network layout that supports urban spatial development in Harbin [2] - This is the first municipal project undertaken by CCCC in Heilongjiang Province and the largest municipal project in Harbin's Songbei New District [2] Group 2: Challenges and Solutions - The project faced significant challenges due to geological conditions, tight schedules, and long construction periods typical in Northeast China [2] - The team successfully addressed the "subgrade tiger" challenge by optimizing concrete mix ratios and monitoring the sinking speed of cement mixing piles, improving the acceptance rate from 80.6% to 96% [3] - To combat the "dewatering tiger," the team implemented continuous water extraction strategies and consulted local experts to optimize dewatering plans, ensuring timely completion of construction milestones [4] Group 3: Quality Control Measures - The project team enhanced the quality of the subgrade by adjusting the gray soil mixing ratio and implementing strict supervision of the compaction process, achieving a first-time acceptance rate of 96.6% for the gray soil layer [5] - The team has also filed two patents and received multiple provincial and national honors for quality control achievements, contributing to the overall improvement of engineering quality [5] Group 4: Impact on Regional Development - The successful completion of the project lays a solid foundation for the subsequent development of the Summer Resort Tourism Industrial Park, significantly accelerating the construction and development process of the Songbei New District [5]