{"product_id":"concrete-slab-punching-shear-drop-panel-excel-calculator","title":"Concrete Slab Punching Shear Verification \u0026 Drop Panel Sizing Sheet","description":"\u003cp\u003e\u003cstrong\u003eACI 318-19-Based Excel Calculator for Two-Way Shear Screening, Critical Perimeter Geometry, Drop Panel Sizing \u0026amp; Preliminary Stud-Rail Layouts.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eEvaluate reinforced concrete slab-column connections with a professional 24-sheet Excel engineering toolkit. Explore punching shear demand, ACI 318-19-based concrete strength calculations, interior\/edge\/corner perimeter geometry, 15 drop-panel alternatives, slab thickness comparisons, and preliminary shear stud layouts.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eIncludes an editable Excel workbook, an engineering reference PDF, and a README guide.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003ePreliminary engineering screening and study tool only. Not a fully verified structural design system or construction approval.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch1\u003e\u003cspan\u003eCONCRETE SLAB PUNCHING SHEAR VERIFICATION \u0026amp; DROP PANEL SIZING SHEET\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eACI 318-19-Based Excel Engineering Calculator | 24 Interconnected Worksheets\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAnalyze Critical Sections. Compare Slab Thicknesses. Explore Drop Panel Alternatives.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePunching shear is a critical consideration in reinforced concrete flat slabs and flat plates. High column reactions, limited slab effective depth, free edges, openings, and unbalanced moments can introduce complex slab-column connection design requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis professional Excel toolkit provides a structured environment for preliminary two-way shear screening, critical-perimeter geometry exploration, concrete strength calculations, and alternative slab configuration comparisons.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDeveloped for structural engineers, reinforced concrete designers, consultants, and engineering students, the workbook combines interconnected formulas, editable engineering inputs, dynamic geometry, calculation traces, and applicability warnings.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWHAT'S INCLUDED\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e1. Dynamic Excel Engineering Calculator (.XLSX)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA professionally formatted 24-worksheet workbook featuring:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eACI 318-19-based concrete punching shear strength expressions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInterior, edge, and corner column critical-perimeter geometry.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReinforcement-based effective depth calculations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFactored column shear and unbalanced moment input fields.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDirect two-way shear stress calculations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConcrete strength and direct-shear utilization screening.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e15 preliminary drop-panel sizing alternatives.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e15 slab-thickness comparison scenarios.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePreliminary headed shear stud-rail coordinate layouts.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDynamic slab-column plan visualization.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEngineering calculation traceability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInput validation, QA warnings, and calculation reporting.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e2. Engineering Reference Guide (.PDF)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn accompanying technical reference covering the calculation basis, engineering methodology, worked arithmetic example, workbook workflow, and important design limitations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e3. README \u0026amp; User Instructions (.MD)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstallation-free setup guidance, worksheet descriptions, calculation assumptions, supported functions, compatibility requirements, engineering limitations, and license terms.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eENGINEERING WORKFLOW\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStep 1 — Define the connection\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEnter slab thickness, column dimensions, column location, reinforcement geometry, concrete properties, and project details.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStep 2 — Enter structural actions\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProvide factored column shear and transferred moments from an appropriate structural analysis.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStep 3 — Review critical-section geometry\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInspect the calculated interior, edge, or corner perimeter geometry, adopted effective depth, and connection classification.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStep 4 — Evaluate preliminary punching shear\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReview the direct shear demand, applicable concrete strength expressions, and direct-shear demand-to-capacity ratio within the supported calculation scope.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStep 5 — Explore alternative configurations\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCompare 15 drop-panel configurations and 15 uniform slab-thickness candidates to study how changes in dimensions influence preliminary shear calculations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStep 6 — Develop preliminary stud layouts\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGenerate coordinate-based stud-rail arrangements for engineering planning. Final stud strength, spacing, anchorage, and outer-perimeter verification must be performed independently.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStep 7 — Review QA and documentation\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInspect calculation traces, applicability warnings, source references, and the printable engineering calculation report.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKEY PRODUCT FEATURES\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e24 Interconnected Excel Worksheets\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOrganized engineering inputs, linked calculations, geometry registers, scenario matrices, dashboards, and documentation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eACI 318-19-Based Strength Expressions\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConcrete-only two-way shear expressions based on ACI 318-19(22), with user-editable material and geometric inputs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCritical Perimeter Geometry\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFormula-driven geometric calculations for rectangular interior, edge, and corner slab-column arrangements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDrop Panel Comparison Matrix\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStudy 15 preliminary combinations of local slab thickening and panel dimensions, including inner and outer geometric screening.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSlab Thickness Optimization Support\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCompare 15 slab-thickness scenarios to investigate preliminary direct-shear behavior and identify candidates for further structural design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePreliminary Stud-Rail Layout Builder\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGenerate formula-linked stud coordinates and inspect preliminary reinforcement arrangements. This is a geometric planning feature, not a completed shear reinforcement strength design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDynamic Slab Plan Visualization\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReview an automatically updated schematic reflecting relevant slab and column geometry.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEngineering Transparency\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReview individual inputs, formulas, intermediate calculations, assumptions, source references, and calculation limitations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWHO IS THIS FOR?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStructural engineers and reinforced concrete designers.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCivil and structural engineering consultants.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFlat slab and flat plate designers.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEngineering students and graduate engineers.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStructural design offices and engineering checking teams.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEngineering educators studying slab-column punching shear behavior.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eTECHNICAL SPECIFICATIONS\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrimary Format:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Microsoft Excel (.XLSX)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWorksheets:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 24\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesign Basis:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ACI 318-19, reapproved 2022\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUnit System:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e SI — mm, MPa, kN, kN·m\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eColumn Geometry:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Rectangular and square columns\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDrop Panel Alternatives:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 15\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSlab Thickness Alternatives:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 15\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStud-Rail Builder:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Preliminary coordinate layout only\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAdditional Files:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e PDF Engineering Guide + Markdown README\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDelivery:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Instant digital download\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEdition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e First Edition, 2026\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eIMPORTANT ENGINEERING LIMITATIONS\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis workbook is a restricted preliminary calculation and educational tool.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts most developed strength calculation is concrete-only concentric punching shear screening for interior rectangular columns without openings or stud reinforcement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlthough edge\/corner perimeter geometry, transferred moment inputs, drop-panel alternatives, and stud coordinates are included, complete engineering verification of eccentric moment transfer, edge\/corner connection strength, openings, drop-panel code qualification, headed stud strength, anchorage, and outer stud critical sections is not implemented or independently established.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eACI 318-25 design calculations and US customary units are not implemented.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eA displayed direct-shear ratio must never be interpreted as final code compliance, proof of structural adequacy, or permission to construct.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e An appropriately qualified structural engineer must independently verify all applicable design requirements and governing code provisions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDIGITAL DELIVERY\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eYour purchase includes one downloadable ZIP archive containing the editable Excel workbook, PDF reference guide, and README instructions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo physical item will be shipped.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eLICENSE\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eLicensed for individual and internal professional preliminary engineering use. Resale, redistribution, or repackaging of the original files as a competing digital product is prohibited.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePublisher:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sarchawa — sarchawa.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOwner \u0026amp; Writer:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Mohammed A. Omer\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCopyright © 2026 Mohammed A. Omer. Published by Sarchawa (sarchawa.com). All rights reserved.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eCustomer FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Is this an editable Excel calculator?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. The package includes a 24-worksheet Microsoft Excel (.XLSX) file with interconnected formulas and editable engineering inputs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Which ACI edition does the calculator reference?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe workbook uses ACI 318-19, reapproved in 2022, as its primary design basis. ACI 318-25 calculations are not implemented.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Does the calculator support interior, edge, and corner columns?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe workbook provides preliminary critical-perimeter geometry for rectangular interior, edge, and corner configurations. Complete design verification of edge\/corner connections with eccentric shear is not included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Can I compare different slab thicknesses and drop panels?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. The workbook provides 15 slab-thickness scenarios and 15 preliminary drop-panel alternatives for geometric and direct-shear screening.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Does it design headed shear stud reinforcement?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt generates preliminary stud-rail coordinates and schematic layouts. Stud strength, anchorage, spacing compliance, and outer-perimeter design must be independently verified.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Can I use the results for construction?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo. The workbook is for preliminary screening and engineering study. It is not a validated final structural design system. All project calculations require independent review by an appropriately qualified structural engineer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: What files will I receive?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn Excel calculator, a PDF engineering reference guide, and a Markdown README, packaged in a downloadable ZIP file.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Do I need specialized software?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMicrosoft Excel Desktop is recommended, with automatic calculation enabled. No macros are required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Does the workbook support imperial units?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo. The current edition uses SI units only.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eKeywords: \u003c\/em\u003e\u003cem\u003econcrete punching shear calculator, slab punching shear Excel, ACI 318 punching shear calculation, drop panel sizing spreadsheet, reinforced concrete slab design Excel, two way shear calculator, slab column connection calculator, ACI 318-19 Excel calculator, structural engineering spreadsheet, flat slab punching shear, punching shear critical perimeter, concrete slab thickness calculator\u003c\/em\u003e\u003c\/p\u003e","brand":"Sarchawa","offers":[{"title":"Default Title","offer_id":67694164050212,"sku":null,"price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1032\/1215\/5172\/files\/ConcreteSlabPunchingShearCalculator.png?v=1791939023","url":"https:\/\/sarchawa.com\/products\/concrete-slab-punching-shear-drop-panel-excel-calculator","provider":"Sarchawa","version":"1.0","type":"link"}