Workers Pouring Concrete on a Steep Roof : How Reinforced Concrete Roofing Is Built скачать в хорошем качестве

Workers Pouring Concrete on a Steep Roof : How Reinforced Concrete Roofing Is Built

Watch how workers manually place and shape wet concrete over a dense steel rebar grid to create a strong sloped roof. This technique combines reinforcement and gravity-resistant placement to produce a durable structural shell. Tool Name: Shovel (Concrete Shovel) Specifications + (Shovel – Concrete Shovel): Material: Hardened steel blade Handle: Wood or fiberglass Length: ~90–120 cm Blade shape: Square / round concrete shovel Function: Moving and spreading fresh concrete Advantages: Simple and low-cost equipment Precise control when placing concrete Effective for steep or difficult surfaces Easy to use without heavy machinery Disadvantages: Requires high physical labor Slower than pump-based concrete placement Worker safety risk on steep slopes Concrete distribution may be uneven if not experienced Working Principle: Workers shovel wet concrete onto a reinforced steel rebar framework and distribute it across the sloped form. The concrete then settles between the steel bars and hardens, forming reinforced concrete that gains strength from both compression (concrete) and tension resistance (steel). Productivity Impact: Manual placement allows construction in areas where pumps or machinery cannot reach, enabling projects on steep terrain. However, productivity depends heavily on worker skill, coordination, and physical endurance.