IRC stipulated guidelines for the use of dry lean concrete as sub base for rigid pavement.
You can Download IRC SP – 49 PDF with this link
Download Also-
IRC 44 – 2017 (Guidelines for Cement Concrete Mix Design for Pavements)
IS 10262-2019 [PDF] Guidelines to Concrete Mix Design
SP-16 (Design Aids for Reinforced Concrete to IS:456 – 1978_
SP-6 Steel Structures Handbook Download [PDF]