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 Nghiên cứu đặc tính cường độ cọc đất xi măng cho đất nền vùng Đà Nẵng - Quảng Nam
Tác giả hoặc Nhóm tác giả: Đỗ Hữu Đạo, Phan Cao Thọ, Nguyễn Trường Tiến
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Nơi đăng: Tạp chí Địa Kỹ Thuật Việt Nam-ISSN-0868-279X; Số: 01-2014;Từ->đến trang: 24-34;Năm: 2014
Lĩnh vực: Kỹ thuật; Loại: Bài báo khoa học; Thể loại: Trong nước
TÓM TẮT
This paper presents results of experimental study about strength characteristics of wet mixing method. Field sampling four kind of soils, from silty sand to coarse sand – the soil symbolizes the Danang – Quangnam province. The series of experiment laboratory samples, coring test on in-situ treated soil had been done. The study focused on two important characteristics of the intensity of soil cement pile in use for the building foundation: unconfined compresive strength (UCS-qu) and bending strength (BS-qb). The result has some correlates about content cement with qu, qb – time, qu-E50, qu-qb and in-situ (by Japanese engineering) with the laboratory strength. On that basis, building correlation equation to determine the different quantities of soil cement pile material and to evaluate the effects of particle size, local soil chemical properties to the intensity strength of soil cement piles.
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ABSTRACT
This paper presents results of experimental study about strength characteristics of wet mixing method. Field sampling four kind of soils, from silty sand to coarse sand – the soil symbolizes the Danang – Quangnam province. The series of experiment laboratory samples, coring test on in-situ treated soil had been done. The study focused on two important characteristics of the intensity of soil cement pile in use for the building foundation: unconfined compresive strength (UCS-qu) and bending strength (BS-qb). The result has some correlates about content cement with qu, qb – time, qu-E50, qu-qb and in-situ (by Japanese engineering) with the laboratory strength. On that basis, building correlation equation to determine the different quantities of soil cement pile material and to evaluate the effects of particle size, local soil chemical properties to the intensity strength of soil cement piles.
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