“Characterisation of geological, hydrogeological and geotechnical uncertainties and risks – GT32R2A1” has been added to your basket. View basketSegmental gaskets – GT9R4A130,00€ (30,00€ Excluding tax)Segmental gaskets – GT9R4A1 - Segmental gaskets - GT9R4A1 quantity + Add to basket somdn_product_page SKU: GT9R4A1-EN Category: Recommendations Tags: Sealing, Segments, TBM Additional information Additional informationYear of publication1993LanguageFrenchNumber of pages8AuthorAFTESRelated productsDiagnosis methods for lined tunnels 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 Earthquake design and protection of underground structures 30,00€ (30,00€ Excluding tax) Add to basket