Richard Lewis Humphrey

1869 – 1928

• Organization, equipment and operation of the structural-materials testing laboratories at St. Louis, Mo
• Results of tests made in the collective Portland cement exhibit and model testing laboratory of the Association of American Porland cement manufacturers
• Results of tests made in the collective Portland cement exhibit and model testing laboratory of the Association of American Portland cement manufacturers
• The fire-resistive properties of various building materials
• The strength of concrete beams
• The strength of reinforced concrete beams
• The strength of reinforced concrete beams