What are the advantages of BRC in construction?
May. 13, 2024
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A building worker is spraying shotcrete on welded wire meshWelded wire mesh, also known as welded wire fabric or "weldmesh," is an electric fusion welded prefabricated grid consisting of a series of parallel longitudinal wires with precise spacing, welded to cross wires at the required intervals.
Machines are employed to produce the mesh with exact dimensional control, leading to significant savings in time, labor, and costs.
Uses of Welded Wire Mesh
The welded wire mesh is a metal wire screen composed of low carbon steel wire or stainless steel wire. Available in various sizes and shapes, it finds extensive applications across agricultural, industrial, transportation, horticultural, and food procuring sectors. Additionally, it is used in mines, gardening, machine protection, and other decorative purposes.
Weld mesh is a term used for barrier fencing constructed in square, rectangular, or rhombus mesh patterns from steel wire, welded at each intersection.
Welded wire fabric (WWF) is another application of welded wire mesh, extensively used in reinforced concrete, particularly for slabs.
Types of Welded Wire Mesh
There are several types of welded wire mesh, categorized based on their structure, use, and characteristics.
Welded Wire Fabric (WWF) for Concrete Slab Reinforcement
This type of mesh is a square grid of uniformly placed wires, welded at all intersections, which meets ASTM A185 and A497 or other standards. Sizes are specified by combining the spacing (in inches or mm) and the wire cross-section area (in hundredths of square inches or mm2). Common sizes include:
Imperial Size | Metric Equivalent | Weight Imperial | Weight Metric |
---|---|---|---|
6x6 W1.4/W1.4 | 152x152 MW9.1/MW9.1 | 20 lb/100 sf | 0.98 kg/m2 |
6x6 W2.1/W2.1 | 152x152 MW13.1/MW13.1 | 30 lb/100 sf | 1.47 kg/m2 |
6x6 W2.9/W2.9 | 152x152 MW18.7/MW18.7 | 41 lb/100 sf | 1.99 kg/m2 |
6x6 W4.0/W4.0 | 152x152 MW25.8/MW25.8 | 56 lb/100 sf | 2.73 kg/m2 |
6x6 W5.4/W5.4 | 152x152 MW34.9/MW34.9 | 76 lb/100 sf | 3.72 kg/m2 |
4x4 W1.4/W1.4 | 102x102 MW9.1/MW9.1 | 30 lb/100 sf | 1.46 kg/m2 |
4x4 W2.1/W2.1 | 102x102 MW13.3/MW13.3 | 43 lb/100 sf | 2.40 kg/m2 |
4x4 W2.9/W2.9 | 102x102 MW18.7/MW18.7 | 61 lb/100 sf | 2.96 kg/m2 |
4x4 W4.0/W4.0 | 102x102 MW25.8/MW25.8 | 83 lb/100 sf | 4.06 kg/m2 |
4x4 W5.4/W5.4 | 102x102 MW34.9/MW34.9 | 119 lb/100 sf | 5.82 kg/m2 |
Electro Galvanized Welded Wire Mesh with Square Opening
This mesh type is designed for building fencing and other infrastructural purposes. It is a corrosion-resistant wire mesh utilized extensively in structural building. It is available in various forms like rolls and panels for industrial use.
Hot-Dipped Galvanized Welded Mesh
This type of welded mesh wire is made from plain steel wire, which undergoes a hot zinc coating process. It is ideal for applications like animal cage structuring, fabricating wire boxes, grilling, partition making, grating purposes, and machine protection fencing.
PVC Coated Welded Mesh
PVC coated welded mesh, featuring a plastic covering, is constructed from high-quality galvanized iron wire. It has a PVC powder covering processed by an automatic machine. The smooth plastic coating, adhered with a strong adhesive, increases the wire's durability. It is used in fencing residential and official properties like gardens, parks, buildings, etc. It is available in rolls and panels and different colors like white, black, green, etc.
Welded Stainless Steel Mesh
This welded mesh wire is primarily used for industrial fencing purposes. Made from stainless steel, it features high strength and integrity. This corrosion-resistant mesh is long-lasting and widely used in transportation, agriculture, mining, horticulture, entertainment, and other service sectors.
Welded Wire Fencing
Welded wire fencing is available in rolls or panels for use as fencing. Also known as "weldmesh," it comes in galvanized and non-galvanized versions, with the non-galvanized being less expensive.
Welded Steel Bar Gratings
Welded steel bar gratings offer advantages such as high strength, easy installation, and cost-effectiveness. They are primarily used for grating roads, creating drainage coverings, and building safety walls. They also have applications in chemical plantations, platform grating, metallurgy, etc.
References
- ^Frederic S. Merritt, M. Kent Loftin, Jonathan T. Ricketts, Standard Handbook for Civil Engineers, Fourth Edition, McGraw-Hill Book Company, 1995, Page 8.17.
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