6,000m² Heavy-Duty Mining Steel Facility in Lubumbashi, Congo DRC
刚果金卢本巴希 6000 平方米重型矿业钢结构设施
刚果民主共和国·卢本巴希
Building Area
建筑面积
6,000 m²
Steel Usage
钢材用量
480 tons
Steel Grade
钢材等级
Q345B high-strength steel
Completion
完工时间
September 2023
Duration
项目周期
95 days total (40 production + 30 shipping + 25 installation)
Total Cost
总造价
USD 580,000 (USD 96.7/m²)
Project Overview
This 6,000 m² heavy-duty steel structure facility was built for a copper mining company in Lubumbashi, Congo DRC. The building houses ore crushing and processing equipment with 20T overhead crane system. The project required Q345B high-strength steel, enhanced corrosion protection for tropical highland climate (1,200m altitude), and seismic design for East African Rift Zone.
这个 6000 平方米重型钢结构设施为刚果金卢本巴希一家铜矿公司建造。建筑容纳矿石破碎和加工设备，配备 20 吨桥式吊车系统。项目需要 Q345B 高强钢、热带高原气候（海拔 1200 米）增强防腐保护和东非裂谷带抗震设计。
Customer Requirements & Challenges
The client required a heavy-duty steel structure for copper ore processing with specific requirements: (1) High load capacity for crushing equipment (40T) and 20T overhead crane; (2) Corrosion resistance for tropical highland climate with 75% humidity; (3) Dust control ventilation system for ore processing; (4) Seismic design for Zone 3 (moderate seismic activity); (5) Remote location logistics - 1,800km from nearest port (Durban).
客户需要用于铜矿石加工的重型钢结构，具体要求：(1) 破碎设备（40 吨）和 20 吨桥式吊车的高承载能力；(2) 热带高原气候 75% 湿度耐腐蚀；(3) 矿石加工粉尘控制通风系统；(4)3 度抗震设防（中等地震活动）；(5) 偏远地区物流 - 距离最近港口（德班）1800 公里。
Our Engineering Solution
Jiaqiang Steel designed a reinforced steel structure using Q345B high-strength steel. Key features: (1) Reinforced columns (H1000x400x16x28) and crane beams for 20T overhead crane + 40T equipment loads; (2) Hot-dip galvanized coating (100μm) + epoxy primer + polyurethane topcoat for highland tropical climate; (3) 10 roof ventilators and 6 side wall exhaust fans for dust control; (4) Seismic design for Zone 3 with enhanced X-bracing; (5) Modular design for containerized shipping to Durban + road transport to Lubumbashi.
佳强钢结构设计了 Q345B 高强钢加强型钢结构。关键特点：(1) 加强立柱（H1000x400x16x28）和吊车梁支持 20 吨桥式吊车 +40 吨设备载荷；(2) 热镀锌涂层（100 微米）+ 环氧底漆 + 聚氨酯面漆适应高原热带气候；(3) 10 个屋顶通风器和 6 个侧墙排风扇粉尘控制；(4)3 度抗震设防加强 X 支撑；(5) 模块化设计便于集装箱运输到德班 + 公路运输到卢本巴希。
Technical Specifications
技术规格
| Building Size | 建筑尺寸 | 120m (L) x 50m (W) x 10m (H) |
| Clear Span | 净跨度 | 50m (column-free) |
| Steel Grade | 钢材等级 | Q345B high-strength H-beam |
| Steel Consumption | 钢材用量 | 480 tons (80 kg/m²) |
| Crane System | 吊车系统 | 20T overhead crane (1 unit) |
| Roof Load | 屋面荷载 | 0.8 kN/m² (heavy-duty) |
| Wind Load | 风荷载 | 0.6 kN/m² (highland) |
| Seismic Resistance | 抗震等级 | Zone 3 (moderate seismic) |
| Anti-corrosion | 防腐处理 | Hot-dip galvanized 100μm + epoxy + PU |
| Fire Rating | 防火等级 | Class 2 fireproof coating |
| Ventilation | 通风 | 10 roof ventilators + 6 exhaust fans |
Project Challenges & Solutions
项目难点与解决方案
Remote Location: 1,800km from Port
偏远地区：距离港口 1800 公里
Challenge: Lubumbashi is 1,800km inland from Durban port, requiring complex multimodal logistics.
难点： 卢本巴希距离德班港 1800 公里内陆，需要复杂多式联运物流。
Shipped 22 x 40HQ containers to Durban (28 days), then road transport to Lubumbashi (7-10 days). All components modularized for container optimization. Total logistics cost: USD 52,000.
22 个 40 尺柜海运到德班（28 天），然后公路运输到卢本巴希（7-10 天）。所有构件模块化优化集装箱。总物流成本：5.2 万美元。
Highland Tropical Climate: 1,200m Altitude
高原热带气候：海拔 1200 米
Challenge: High UV radiation, temperature variation (5-35°C), and 75% humidity accelerate corrosion.
难点： 高紫外线辐射、温差大（5-35 摄氏度）和 75% 湿度加速腐蚀。
Hot-dip galvanized 100μm (vs standard 80μm) + epoxy primer + polyurethane topcoat with UV resistance. Designed for 25+ years in highland tropical environment.
热镀锌 100 微米（标准 80 微米）+ 环氧底漆 + 抗紫外线聚氨酯面漆。设计用于高原热带环境 25 年以上。
Heavy Equipment Loads: 40T Crusher + 20T Crane
重型设备载荷：40 吨破碎机 +20 吨吊车
Challenge: Ore crusher weighs 40 tons with dynamic loads during operation.
难点： 矿石破碎机重 40 吨，运行时产生动态载荷。
Q345B high-strength steel columns (H1000x400x16x28), reinforced crane beams, and independent equipment foundation. Finite element analysis for dynamic load simulation.
Q345B 高强钢立柱（H1000x400x16x28）、加强吊车梁和独立设备基础。有限元分析动态载荷模拟。
Dust Control: Ore Processing Generates Dust
粉尘控制：矿石加工产生粉尘
Challenge: Ore crushing generates significant dust requiring effective ventilation.
难点： 矿石破碎产生大量粉尘需要有效通风。
10 roof ventilators (natural) + 6 side wall exhaust fans (mechanical) creating negative pressure. Dust extraction ducts installed at crusher locations.
10 个屋顶通风器（自然）+6 个侧墙排风扇（机械）产生负压。破碎机位置安装粉尘收集管道。
Installation Process: Critical Milestones
安装流程：关键节点
Foundation Construction
基础施工
Reinforced concrete foundation with independent equipment foundations for crushers. Installed anchor bolts and crane rail预埋件. Curing time: 18 days.
钢筋混凝土基础，破碎机独立设备基础。安装地脚螺栓和吊车轨道预埋件。养护时间：18 天。
Main Structure Installation
主体结构安装
Installed 28 reinforced columns and crane beams. Used 50T crane for heavy component lifting. Verified verticality and alignment.
安装 28 根加强立柱和吊车梁。使用 50 吨吊车吊装重型构件。验证垂直度和对齐。
Roof Truss & Bracing
屋面桁架和支撑
Assembled roof trusses on ground, lifted into position. Installed purlins and X-bracing for seismic stability.
地面组装屋面桁架，吊装到位。安装檩条和 X 支撑保证抗震稳定性。
Crane System Installation
吊车系统安装
Installed crane rails on crane beams. Adjusted rail alignment (tolerance < 3mm). Installed 20T overhead crane and tested.
在吊车梁上安装吊车轨道。调整轨道对齐（误差<3mm）。安装 20 吨桥式吊车并测试。
Panel & Ventilation
面板和通风
Installed wall panels, roof panels, 10 roof ventilators, and 6 exhaust fans. Completed electrical wiring for fans and crane.
安装墙面板、屋面板、10 个屋顶通风器和 6 个排风扇。完成风扇和吊车电气布线。
Commissioning & Handover
调试和移交
Tested crane system (125% load test), ventilation system, and dust extraction. Final inspection and client training.
测试吊车系统（125% 载荷测试）、通风系统和粉尘收集。最终验收和客户培训。
Project Gallery: Mining Facility Construction
项目图库：矿业设施建设
Foundation preparation with equipment bases
基础准备和设备基础
Q345B column installation with 50T crane
50 吨吊车安装 Q345B 立柱
Roof truss assembly and installation
屋面桁架组装和安装
Crane beam installation for 20T overhead crane
20 吨桥式吊车吊车梁安装
Roof ventilator installation for dust control
粉尘控制屋顶通风器安装
Completed mining facility aerial view
完工矿业设施航拍
Shipping & Logistics: Durban to Lubumbashi
运输物流：德班到卢本巴希
The 6,000 m² facility was shipped in 22 x 40HQ containers (total 820 m³). Route: Tianjin Port → Durban, South Africa (28 days) → Road transport to Lubumbashi (7-10 days, 1,800km). Heavy components (columns, crane beams) were packed with wooden supports. All components labeled with erection sequence numbers. Total logistics cost: USD 52,000 (USD 8.7/m²).
6000 平方米设施通过 22 个 40 尺高柜运输（总计 820 立方米）。路线：天津港→南非德班（28 天）→公路运输到卢本巴希（7-10 天，1800 公里）。重型构件（立柱、吊车梁）用木支架包装。所有构件标注安装顺序号。总物流成本：5.2 万美元（8.7 美元/平方米）。
Project Cost Breakdown
项目造价分解
| Item / 项目 | Cost / 造价 | Percentage / 占比 |
|---|---|---|
| Steel Structure Materials (Q345B) 钢结构材料（Q345B） | USD 380,000 | 65.5% |
| Shipping (22 x 40HQ to Durban + road) 运输（22 个 40 尺柜到德班 + 公路） | USD 52,000 | 9% |
| Installation (3 engineers + local labor) 安装（3 名工程师 + 当地工人） | USD 68,000 | 11.7% |
| Foundation (local contractor) 基础（当地承包商） | USD 58,000 | 10% |
| Crane System (20T overhead crane) 吊车系统（20 吨桥式吊车） | USD 18,000 | 3.1% |
| Customs & Miscellaneous 清关和杂费 | USD 4,000 | 0.7% |
| Total Project Cost 项目总造价 | USD 580,000 | 100% |
Client Testimonial
"Jiaqiang Steel delivered an excellent mining facility despite the challenging logistics to Lubumbashi. The Q345B steel structure is robust, handling our 40T crusher and 20T crane without issues. The dust control ventilation system works perfectly. Their engineers were professional and completed installation on schedule. Highly recommended for mining projects in Africa."
"尽管到卢本巴希的物流很有挑战性，佳强钢结构交付了优秀的矿业设施。Q345B 钢结构坚固，承载我们的 40 吨破碎机和 20 吨吊车没有问题。粉尘控制通风系统工作完美。他们的工程师很专业，按时完成安装。强烈推荐用于非洲矿业项目。"
Mr. Jean-Pierre Mukendi
Operations Director, Congo Copper Mining Ltd.
Lubumbashi, Congo DRC
Project FAQ
Q: How did you handle logistics to remote Lubumbashi?
问：如何处理到偏远卢本巴希的物流？
We shipped 22 containers to Durban port (28 days), then arranged road transport to Lubumbashi (7-10 days, 1,800km). All components were modularized for container optimization and road transport safety.
我们运输 22 个集装箱到德班港（28 天），然后安排公路运输到卢本巴希（7-10 天，1800 公里）。所有构件模块化优化集装箱和公路运输安全。
Q: What steel grade was used for heavy loads?
问：重载荷使用什么钢材等级？
Q345B high-strength steel for main columns and crane beams. Q345B has 30-40% higher yield strength than Q235B, essential for 40T crusher and 20T crane loads.
主立柱和吊车梁使用 Q345B 高强钢。Q345B 比 Q235B 屈服强度高 30-40%，对 40 吨破碎机和 20 吨吊车载荷至关重要。
Q: How do you ensure corrosion protection in highland climate?
问：如何保证高原气候防腐保护？
Hot-dip galvanized 100μm (vs standard 80μm) + epoxy primer + polyurethane topcoat with UV resistance. Designed for 25+ years in 1,200m altitude tropical highland environment.
热镀锌 100 微米（标准 80 微米）+ 环氧底漆 + 抗紫外线聚氨酯面漆。设计用于 1200 米海拔热带高原环境 25 年以上。
Q: Did you provide crane system installation?
问：是否提供吊车系统安装？
Yes, we supplied and installed complete 20T overhead crane system including crane beams, rails, and the crane itself. We also provided crane commissioning and operator training.
是的，我们供应和安装完整的 20 吨桥式吊车系统，包括吊车梁、轨道和吊车本身。我们还提供吊车调试和操作员培训。
Q: How does the dust control system work?
问：粉尘控制系统如何工作？
10 roof ventilators provide natural ventilation. 6 side wall exhaust fans create negative pressure to draw dust-laden air out. Dust extraction ducts installed directly above crusher locations capture dust at source.
10 个屋顶通风器提供自然通风。6 个侧墙排风扇产生负压吸出含尘空气。粉尘收集管道直接安装在破碎机上方从源头收集粉尘。
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