compute_rigid_pavement

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Paid tier only. Calling this without an authenticated CivilQuants account returns TIER_INSUFFICIENT — sign up at https://civilquants.com/pricing or use the free-tier alternative compute_end_area_earthworks. Rigid pavement build-up: optional capping (Class 6F) + Type 1 (Class 1A) granular sub-base + optional separation membrane + PQC slab (URC, JRC, or CRCP variant) with joint formwork (transverse contraction, longitudinal construction, expansion) and reinforcement (dowel bars + tie bars + optional fabric mesh for JRC, continuous longitudinal for CRCP). Routes the slab and its joints/reinforcement through the v12 is_pavement_slab discrimination to pavement-specific codes across all four standards (CESMM4 Class R, NRM2 Group 34.7, MMHW Series 1000, SMM7 Q21). Sub-base and capping route through the v8 FILL_SUB_BASE/FILL_CAPPING SHW-class-aware handlers. Three pavement-type defaults (URC/JRC/CRCP) per DMRB CD 226. Reinforcement scheduled per BS 8666:2020 (shape 00 dowels and tie bars; mass-only mesh and CRCP continuous). Example params: length=50 m (0.5–2000), width=7 m (0.5–30), sub_base_thickness_mm=150 mm (100–500). Example call: {"params": {"length": 50, "width": 7, "sub_base_thickness_mm": 150}, "standard": "MMHW"}. Omitted parameters use sensible engineering defaults. Pass deliverables=["xlsx","dxf","pdf"] (any subset) to also receive one-shot download URLs in the same call: Excel BoQ (both tiers, watermarked free) plus the dimensioned DXF (CAD) and PDF drawing sheets (paid tier).