Reducing noise from tunnel lining equipment is crucial for worker health and safety, environmental compliance, and maintaining good relations with nearby communities. Noise in tunnels is often amplified due to the confined space and hard, reflective surfaces. Here’s a breakdown of strategies, following the hierarchy of controls (elimination/substitution, engineering controls, administrative controls, PPE). How to Reduce Tunnel […]
Customizing a tunnel lining trolley (also known as a formwork traveller or gantry) is a complex engineering process, essential for ensuring the trolley perfectly matches the specific requirements of a particular tunneling project. Standard, off-the-shelf trolleys rarely fit unique tunnel geometries, geological conditions, or construction methodologies. Customized Tunnel Lining Trolley 1. Understanding the Need for […]
Tunnel lining trolleys, also known as tunnel formwork systems or tunnel shuttering machines, are essential equipment used for in-situ concrete lining in tunnel construction. Depending on tunnel structure, size, and construction methods, tunnel lining trolleys can be classified into several types. These are large, mobile structures used inside tunnels to support the formwork for cast-in-place concrete […]
To prevent corrosion in steel structures, a multi-faceted approach is essential, addressing design, material selection, surface preparation, and protective coatings. How to Prevent Corrosion in Steel Strcture Design Considerations Minimize Moisture Traps: Design details should prevent water accumulation and allow for drainage. Inclined surfaces, drainage holes, and avoiding sharp edges can help. Ensure Adequate Ventilation: Promote […]
Repairing weld cracks in steel structures is a critical task that requires careful planning, execution, and inspection to ensure the structural integrity is restored and the crack doesn’t return. This is a job for critical structures and should ALWAYS be performed by qualified welders following approved procedures under the supervision of experienced engineers or inspectors. Repairing Cracks […]
Designing steel building frames is a complex engineering task that requires specialized knowledge of structural mechanics, material science, relevant building codes, and analysis software. This process MUST be performed by a qualified and licensed Structural Engineer. This guide provides an overview of the steps involved, not a substitute for professional engineering services. Customized Steel Building Frames Phase […]
Steel structure construction is a widely adopted method in modern architecture and engineering due to its strength, durability, and efficiency. From high-rise buildings and industrial warehouses to bridges and stadiums, steel provides a versatile solution for a wide range of construction needs. The steel structure construction process involves a series of systematic steps that ensure the […]
Flange slewing bearings are robust components, but they can experience problems over time. Here are some common issues and their solutions. Flange Slewing Bearing Common Problems and Solutions 1. Irregular Rotation or Jamming: Problem: The bearing rotates unevenly or gets stuck, even without a load. This could be due to the ring becoming out of round […]
Adjusting the clearance of a slewing bearing is crucial for ensuring smooth operation, reducing wear, and extending its service life. The process varies depending on the bearing type (single-row ball, double-row ball, or cross-roller) and the manufacturer’s specifications. Slewing Bearing Clearance Adjustment Method 1. Initial Assessment Before adjusting the slewing bearing clearance, it’s important to assess the […]
Lubricating a slewing bearing is critical for ensuring smooth operation, reducing wear, and extending its service life. Here’s a step-by-step guide on how to properly lubricate a slewing bearing. There are generally two main areas that require lubrication: The Raceway: This is where the rolling elements (balls or rollers) run between the inner and outer rings. The […]