i dunno if that's always the case but steel rods usually form a grid inside concrete rather than just going one direction. alex has a point about their size.
I think the concrete looks really blobby,there dont seem to be many sharp edges on the model. As for the tecture,it looks too grainy and could use a little more variation in surface detail.
Looking good, great improvement. In my opinion I think the broken away parts still look too soft, I feel like concrete would break away and crack more than be smoothed off (that's just getting nitpicky because I think its looking pretty good).
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also, the mesh texture seems too vivid.
Yeah I kinda agree, the first was better.