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EXPERIMENTAL STUDY ON REINFORCED-AT-HIGH-STRESS-REGION SOIL-CEMENT RETAINING STRUCTURE FOR DEEP FOUNDATION PIT

    https://doi.org/10.1142/9789812701480_0054Cited by:0 (Source: Crossref)
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    Abstract:

    Rapid development of high-rise and underground buildings makes exact demands on retaining structures for deep foundation pit. As a retaining structure, reinforced soil-cement mixture has more advantages compared with Soil Mixing Wall. But both experimental study and designing theory for it are far behind practice. By model testing, distribution and variety of stress in soil-cement mixture and in shaped steel during loading process are studied in this paper. Strong restraint of shaped steel on cracks is found by analysis of crack development, which can increase the cracking load and the rigidity of specimen obviously. By the data analyzing, effects of factors to structural behaviors are discussed, and some suggestions are made towards designing. By analyzing the experimental data, carrying capacity expression is derived theoretically.