Chongqing Steel structure engineering

WENCHEN STEEL STRUCTURE ENINGEERING

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No. 32, Juye Road, Jiulongpo District, Chongqing

+86 189 9647 2857

support@cqsses.com

Completion DateMay 2019
ClientJD Logistics (China’s Leading E-Commerce Supply Chain Provider)
Project TypeHigh-Capacity Regional Distribution Center
Scale5,000㎡ Prefabricated Steel Warehouse (L×W×H=300m×150m×12m)
TimelineDesign-to-Completion in 5.5 Months (2023)

Key Technical Specifications

1. Structural System

  • Primary Frame:

    • Clear-span portal frames (36m column spacing)

    • Q355B steel columns/beams with hot-dip galvanizing (120μm)

  • Roof/Walls:

    • 0.5mm PVDF-coated standing seam roof panels

    • 100mm thick rock wool sandwich panels (Fire Rating: A2)

2. Specialized Logistics Features

  • Floor Loading: 5t/m² (ASRS robot zones) | 3t/m² (General storage)

  • Column Protection: 1.2m high impact guards (3mm steel plate)

  • Dock Design: 32 recessed truck bays with hydraulic levelers

3. Smart Warehouse Integration

✔ Automation-Ready: Pre-embedded RFID tracking node mounts
✔ Lighting: Motion-sensing LED strips (150lux uniformity >0.7)
✔ Ventilation: 48 roof turbines + AI-controlled curtain walls

Overcoming Challenges

Challenge 1: Ultra-fast timeline for Singles’ Day 2023 peak season
→ Solution: Modular construction with 3D BIM coordination (Reduced on-site work by 40%)

Challenge 2: Vibration control for robotic sorting systems
→ Solution: Isolated foundation pads with rubber bearings (±0.1mm tolerance)

“This warehouse handles 280,000 parcels daily – our steel structure ensures both speed and precision.”
— JD Logistics Facility Manager