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Here is Step-by-Step Solutions: 1. Alternative Materials to Sand: Since sand is unavailable, consider using manufactured sand (M-Sand) or crushed stone fines: • M-Sand: Artificially produced sand from stone crushers. It meets ASTM standards and can be used for concrete. • Crushed Stone Fines: Can be sieved to meet the <0.01 nm requirement. • Options from Siachen's Terrain: If possible, evaluate the possibility of crushing local stones and testing for ASTM-C33 compliance. 2. Material and Truss Design Adjustments: Given the large span and height, consider using steel or composite materials: • Steel Trusses: Ideal for long spans. Use lightweight high-strength structural steel complying with ASTM standards. • Composite Materials: Fiber-reinforced plastics (FRP) or aluminum alloys can reduce weight while ensuring strength. Truss Design Parameters: • Triangle Geometry: Use Pratt or Warren trusses to distribute loads efficiently. • Ensure lateral bracing for stability over the large span. • Comply with AASHTO guidelines for lane width and load-bearing. 3. Truck Load and Foundation: • Load-bearing capacity: Ensure foundation design can bear the load of 8000 lb trucks repeatedly. Consider reinforced concrete or steel foundation solutions. • Foundation Material: If sand is unavailable, use a mix of crushed aggregates and cement for high-strength base layers. 4. Welding Compliance: • Use welders experienced with ASTM A548 for structural welding. • Test all weld joints for strength and durability under field conditions. 5. Budget Optimization: • Source local materials from nearby regions to minimize transportation costs. • Simplify design by reducing unnecessary complexity while adhering to safety and regulatory standards. and here is Additional Recommendations: Consult Structural Engineers: Verify the feasibility of alternative materials and designs for the extreme conditions at Siachen. Environmental Considerations: Ensure materials can withstand low temperatures and harsh weather. Would you like help with detailed drawings, calculations, or further refinement of the truss design?

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150 per test kren ur 120 say kum na ho after 24 hours.

How much machine