Construction ============ Concrete -------- calculate_concrete_volume ^^^^^^^^^^^^^^^^^^^^^^^^^ .. autofunction:: qsdsan.utils.calculate_concrete_volume concrete ^^^^^^^^ .. autofunction:: qsdsan.utils.concrete Excavation ---------- calculate_excavation_volume ^^^^^^^^^^^^^^^^^^^^^^^^^^^ .. autofunction:: qsdsan.utils.calculate_excavation_volume excavation ^^^^^^^^^^ .. autofunction:: qsdsan.utils.excavation Piping ------ select_pipe ^^^^^^^^^^^ .. autofunction:: qsdsan.utils.select_pipe