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STUDY ON THE MECHANICS PROPERTIES OF DREDGER FILL OF SPCIAL COMPOSITION
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摘要: 我国沿海地区,广泛分布着性质极为软弱的近代海相沉积的欠固结软土及吹填土。为使吹填土尽快固化,通过加人水泥和石灰作为添加剂进行固化土样的试验,试验说明该方法加固吹填土是可行的,试样的三轴剪切试验、高压固结试验、直剪试验和微型贯人试验表明水泥的最佳掺人比15%左右,石灰的掺人比越多强度越高。Abstract: Unconsolidated soft soils and dredger which are newly deposited near the seashore and their properties are weak. The laboratory tests on some samples shows it is feasible to dredger hardened by adding, cement and lime. Triaxial-shear test, high-pressure consolidation test, direct-shear test and micro-penetrating test indicate that the best mixing ratio is 15 % for cement, and the more mixing ratio is, the higher strength for lime.
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Key words:
- Dredger fill /
- Cement and lime /
- Properties of mechanics
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