Fig. 3

Details of unstrengthened beams with center-point loading (Note: all dimensions are in mm): a elevation of beam BC-N-CPL, b elevation of beam BC-O1-CPL, and c elevation of beam BC-O2-CPL.
Details of unstrengthened beams with center-point loading (Note: all dimensions are in mm): a elevation of beam BC-N-CPL, b elevation of beam BC-O1-CPL, and c elevation of beam BC-O2-CPL.