Warship stanchions carried uncertain dynamic loads

William Hovgaard's 1915 naval-architecture text treats pillars and stanchions beneath decks, barbettes, conning towers, boats, and other concentrated weights. Ship structures experience uncertain static and dynamic loads, angular deflection, asymmetric loading, and secondary stresses. Their behavior is therefore less definite than that of many columns in static buildings. The discussion distinguishes sudden instability from progressive bending failure. Its tables of metal and timber properties show how early twentieth-century designers turned uncertain seagoing loads into structural rules.