Use of steel ribs in underground works – GT7R3A130,00€ (30,00€ Excluding tax)Recommendations GT7R3A1Use of steel ribs in underground works - Use of steel ribs in underground works - GT7R3A1 quantity + Add to basket SKU: GT7R3A1-EN Category: Recommendations Tags: Building sites, Conventional coating, Lining, Recommendation, Underground works Description Additional information DescriptionRecommendations GT7R3A1Use of steel ribs in underground worksAdditional informationYear of publication1978, 1993AuthorAFTESLanguageFrenchNumber of pages22ThematicBuilding sites, Conventional Support and Lining, Underground worksRelated productsDesign, dimensioning and execution of precast steel fibre reinforced concrete arch segments – GT38R1A1 30,00€ (30,00€ Excluding tax) Add to basket The design, sizing and construction of precast concrete segments installed at the rear of a tunnel boring machine (TBM) 30,00€ (30,00€ Excluding tax) Add to basket A code of practice for risk management of tunnel works – GT39R1A1 30,00€ (30,00€ Excluding tax) Add to basket Forward probing ahead of tunnel boring machines 30,00€ (30,00€ Excluding tax) Add to basket