Koltuk S, Azzam R. Design Charts for Circular-Shaped Sheeted Excavation Pits against Seepage Failure by Heave. Period. Polytech. Civil Eng. [Internet]. 2016 Jan. 1 [cited 2024 May 5];60(3):421-6. Available from: https://pp.bme.hu/ci/article/view/8522