This technology has strict requirements for foundation pit excavation and reinforced cushion construction; front support piles and rear tie rods are key technologies and must be tested for their ultimate bearing capacity.
T/SCDA 012-2021 history
2021T/SCDA 012-2021 Technical standard for self-stabilizing foundation pit support structure
2018T/SCDA 012-2018 Technical standard for self-stabilizing foundation pit support structure