Abstract
J. Conder (1852-1920, M. R. I. B. A.) presented the specification of the foundation work and proposed to use the cement mortar, to employ the iron system for strengthening the Audience Chambers against earthquake in September and October 1882. In the specification of the foundation J. Conder described in detail on the aggregate, mixing, placing, mold, curing in concrete. J. Conder calculated the additional strength imparted by the iron system, the expansion of the iron in the walls, the weight upon the foundations by the addition of the iron works. The iron system advised by J. Conder was theoretical and progressive method in the Meizi era.
