A power distribution substation structure suitable for small-section pipe racks and its construction method

By employing a construction method involving layered pouring and waterproofing, a substation structure with a larger upper section and a smaller lower section, suitable for small-section pipe racks, was constructed. This solved the problem of insufficient space utilization in existing technologies and improved the stability and service life of the structure.

CN117403698BActive Publication Date: 2026-06-30SHANGHAI ERSHIYE CONSTR CO LTD +1
View PDF 3 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANGHAI ERSHIYE CONSTR CO LTD
Filing Date
2023-09-28
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

In existing technologies, the width of the second-floor structure of the integrated utility tunnel substation is the same as that of the standard compartment below, resulting in a larger cross-section of the upper substation and failing to effectively utilize the utility tunnel space that is larger at the top and smaller at the bottom.

Method used

The substation structure construction method suitable for small cross-section pipe corridors is adopted. Through layered pouring and waterproofing, a two-story building with a larger upper floor and a smaller lower floor is constructed. This includes the gradual pouring of the bottom slab, side walls, top slab, and reinforced partition walls. Plain concrete is filled between the reinforced partition walls, and the outside is waterproofed.

Benefits of technology

The design effectively utilizes the space of the utility tunnel, which is wider at the top and narrower at the bottom, improving the stability and service life of the structure while meeting the functional requirements of the power distribution station.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN117403698B_ABST
    Figure CN117403698B_ABST
Patent Text Reader

Abstract

This invention relates to a substation structure and construction method suitable for small-section utility tunnels. The structure comprises a two-story building with side walls on the outer perimeter and a larger upper section and a smaller lower section. The lower level is a small-section utility tunnel housing municipal utility pipelines, while the upper level is a large-section substation equipment room. Several reinforced partition walls are installed below the equipment room and on one side of the utility tunnel for support, with the spaces between these partition walls filled with plain concrete. In traditional integrated utility tunnel substation structures, the width of the two-story substation is typically the same as the width of the lower standard compartment. Compared to the lower small-section utility tunnel, the upper substation has a relatively larger cross-section. The excess portion is supported by reinforced partition walls at the bottom. This design effectively increases the stability of the overall utility tunnel structure while meeting the overall functional requirements of the substation, extending its service life and fulfilling the overall usage needs of the utility tunnel.
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • Assembled and combined cabin concrete structure of shallow-buried 0815-type underground comprehensive pipe gallery

    CN105113543A

  • Cast-in-place concrete construction method for pipe gallery section

    CN111456085A

  • Integrated underground diaphragm wall guide wall structure with anti-seepage function

    CN218757418U