4 - HKU Libraries

- 151-OR VCOR 'U'SECTIONB-BCOUNTERFORT{DIAGRAMMATIC)WALL/-COUNTERFORTSTEMTYPE 'B'— CRITICAL SECTION FORSHEAR& FLEXURE-TYPE 'B' BARSSECTIONA-ANOTES1. Type A bars, or 'hangers 1 , must be designed to take the full reaction from the wallspanning between the counterforts.2. Type B bars provide additional mechanical anchorage for the hanger bars.3- Note that the critical section for shear is at the face of the counterfort not at adistance d equal to the effective depth from the face.k. For clarity,only limited steel is shown on the sketches.COUNTERFORT WALLS - DETAILING AT JUNCTIOM OF COUNTERFORT • riminc O1WITH HEEL 4 STEM I FlOUHt Ol