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Bridge Expansion Joint
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| 05
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| Bridge expansion joint specifications detail requirements for accommodating structural movement (thermal, shrinkage, creep) while ensuring watertightness, durability, and smooth vehicle passage, covering material types (strip seals, finger joints, modular systems for different movements), dimensions (gap size, depth, width), performance criteria (load capacity, temperature range, movement capacity), and installation specifics, requiring manufacturer certification for fatigue/dynamic loads, as outlined in standards like IRC SP 69 or MORTH guidelines.
Key Specification Areas
Movement Capacity: Specifies horizontal/vertical movement (e.g., 25mm horiz, 2mm vert for some Indian specs) and total range for various joint types (small, medium, large movement).
Materials: Defines materials like neoprene seals, elastomeric fillers, asphaltic compounds, corrugated copper, and steel elements, requiring compliance with Indian Standards (IS) or equivalent.
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| Unit of Price : Kilograms/Kilograms |
| Price : 75 INR |
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Steel Truss Bridge
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| 03
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| Steel truss bridge specifications cover geometry (span, width, truss type like Warren/Pratt), loads (dead, live, wind, snow), materials (corrosion-resistant steel), design codes (AASHTO/AISC), detailing (connections, members), and quality control (traceability, coatings) for safe, economical spans, typically 100-200+ feet, balancing strength with site needs. Key elements include member sizing for tension/compression, deck design for traffic, and load factor application, ensuring performance over varying spans.
Key Specification Areas
Geometric & Configuration:
Span: Common range 75-250+ feet; defined by bearing centerline.
Width: Varies with traffic (e.g., 2-lane, 3-lane).
Truss Type: Warren (common, simple), Pratt, Howe, K-truss.
Skew: Can be arranged to match site geometry.
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| Unit of Price : Kilograms/Kilograms |
| Price : 80 INR |
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