降低后接式地下联通结构顶板渗漏率的实践研究

Practical Research on Reducing the Roof Slab Leakage Rate in Post-Connected Underground Connecting Structures

摘要:

后接式地下联通结构作为既有地下空间与新建工程的关键衔接节点，其施工难度较大，顶板渗漏问题较为突出。本文以金谷智能终端制造基地WK14-4地块项目（二期）工程为依托，通过现场调查、数据分析以及鱼骨图等工具，深入分析后接式地下联通结构顶板渗漏的原因，提出针对性施工对策。经过PDCA（即计划-实施-检查-处理）循环改进，顶板渗漏率降至5%以下。研究成果为同类工程提供了技术借鉴，助力质量创优与成本管控。

Abstract:

The post-connection underground connecting structure, serving as a critical connecting node between existing underground spaces and new construction projects, poses significant challenges in construction, with water leakage issues in the roof slab being particularly prominent. This paper presents a case study based on the WK14-4 Plot Project (Phase II) at the Jingu Smart Terminal Manufacturing Base. Through on-site investigations, data analysis, and quality management tools such as the Fishbone Diagram, we conducted an in-depth analysis of the causes behind roof slab leakage in post-connected underground structures. Targeted construction countermeasures were subsequently proposed. Following PDCA (Plan-Do-Check-Act) cycle refinements, key outcomes were achieved: Roof slab leakage rate reduced to below 5%. The research findings provide valuable technical references for similar engineering projects, contributing to enhanced quality excellence and effective cost control.