Concrete Making in China

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Title: Concrete Making in China

Author(s): John S. Cotton

Publication: Journal Proceedings

Volume: 44

Issue: 1

Appears on pages(s): 381-398

Keywords: none

Date: 1/1/1948

Abstract:
Mr. Cotton outlines the supply situation and pro- Mr. Cotton outlines the supply situation and pro- duction methods for concrete materials in China. duction methods for concrete materials in China. Data are presented on type, quality and availability Data are presented on type, quality and availability of cement, reinforcing steel and forms. of cement, reinforcing steel and forms. Aggregate Aggregate sources, sources, handling methods and gradation are dishandling methods and gradation are discussed. Data on concrete strengths, mixing and plac- cussed. Data on concrete strengths, mixing and plac- ing, labor problems, and costs are given. Concret- ing, labor problems, and costs are given. Concret- ing., mortar, masonry work, and design of the Lung ing., mortar, masonry work, and design of the Lung Chr Ho hydro development are described. Design Chr Ho hydro development are described. Design and history of the Sungari River hydro project are and history of the Sungari River hydro proiect are developed with attention to Japanese concreting developed with attention to Japanese concreting methods. Hazardous condition of the dam is ascribed methods. Hazardous condition of the dam is ascribed to faulty construction practices occasioned by pres- to faulty construction practices occasioned by pres- sure of the war. sure of the war. The emergency repair program of The emergency repair program of the National Hydroelectric Engineering Bureau of the National Hydroelectric Engineering Bureau of China is outlined, and current concreting practices China is outlined, and current concreting practices of the bureau are discussed. Illustrations depict many of the bureau are discussed. Illustrations depict many of the almost primitive methods which must be em- of the almost primitive methods which must be em-ployed. ployed.