Applicability of Cement-Stabilized Pond-Mud Soil as Embankment Material for Irrigation Pond Dam Repairment

Fukushima, Shinji; Kitajima, Akira; Ishiguro, Kazuo; Ikeda, Yasuhiro; Sakamaki, Katsuyuki; Tani, Shigeru

doi:10.2208/jscej.2000.666_99

Cited by 9 publications

(3 citation statements)

References 2 publications

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“…6 seems to be scattering a little. It was reported by Fukushima et al [8] that the strength of the crushed and compacted soil was bigger as the grain size was bigger. Therefore, the scattering of the strength of lime-stabilized soil subjected to the repetition of crush and compaction process depended on the grain size.…”

Section: Strength Of Long-term Cured Soilmentioning

confidence: 93%

Deterioration of Strength of Lime-Stabilized Soils Subjected to the Repetition of Crush and Compaction

Nabeshima¹,

Tomohisa²,

Miura³

2015

IJESD

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Abstract-A huge amount of surplus soil and muddy soil was produced from the construction earth works in Japan. To reuse these soils in the construction sites, the soil improvements by mixing with cement or lime were sometime adopted. Recently, the case in which the improved soil was excavated, refilled and compacted was supposed. As the improved soil was excavated, refilled and compacted, it was necessary to evaluate the strength of the improved soil. However, the strength of stabilized soil was decreased by repetition of excavation, refill and compaction processes. In this paper, the deterioration of strength of the lime-stabilized soil subjected to the repetition of crush and compaction process was discussed. A series of unconfined compression tests were carried out to evaluate the deterioration of strength of the stabilized soil by repeating crush and compaction processes. As a result, it is found that the strength was decreased by repetition of crush and compaction processes from that without the crush and compaction process. However, the deteriorated strength of the stabilized soil which was repeatedly crushed and compacted had similar strength to that of the soil with one-time of crush and comaction process.

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Section: Strength Of Long-term Cured Soilmentioning

confidence: 93%

Deterioration of Strength of Lime-Stabilized Soils Subjected to the Repetition of Crush and Compaction

Nabeshima¹,

Tomohisa²,

Miura³

2015

IJESD

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“…Fukushima et al (2000) examined the applicability of cement-stabilized mud soil as embankment material for use in repairing irrigation ponds. Hidaka et al (2006) demonstrated that filter presses are typically capable of decreasing the water content up to 30%-60%.…”

Section: Introductionmentioning

confidence: 99%

Experimental Study on the Efficient Dehydration of Dredged Sludge With a Compact Filter Press

Takisawa

Murakami

Nishimura

2008

JESSS

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The disposal of large amounts of sludge, deposited in many farm/irrigation ponds in Japan, has recently become an important task to be resolved. To dredge sludge helps to maintain the capacity of the ponds and the quality of the water in the pond. In other words, it is vital that the deposited sludge should be effectively dredged. Since the water content of dredged sludge is very high, it must be reduced to enable the transport and the reuse of the sludge. The authors of the present paper have developed a procedure to dehydrate in-situ dredged sludge from farm ponds using a compact filter press machine. The purpose of this study is to investigate appropriate conditions for the efficient dehydration of dredged sludge with a compact filter press machine. Since the dehydration mechanism inside the filter press machine is based on the hydraulic consolidation, hydraulic consolidation tests are conducted to simulate the filter press consolidation in order to clarify the relationship between the conditions of the filter press dehydration and the water content of the consolidated sludge. Results of the tests show that the most important factor in controlling the efficiency of the actual filter press dehydration process is the thickness of the filtration chamber of the filter press machine. Sludge is expected to be more effectively dehydrated when a filtration chamber with a smaller thickness is adopted.

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“…Fukushima et al (2000) showed the applicability of muddy soil as an embankment material for repairing earth-fill dams. Kuratomi et al (2004) presented the mechanical properties of cement-treated dredged clay created by dehydration under high pressure.…”

Section: Introductionmentioning

confidence: 99%

Physical, Chemical and Mechanical Properties of Dredged Sludge and Effect of Desiccation on the Properties

Takisawa

Murakami

Nishimura

2007

JESSS

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This paper examines the relationship between physical, chemical and mechanical properties and effect of the desiccation of dredged sludge. The characteristics of dredged sludge with high water content can be improved by various methods, i.e., solidification with stabilizing materials, mechanical dehydration, desiccation and stabilization by heat. The physical and chemical properties were investigated using consistency tests, ignition loss (Li) tests, pH tests, XRF analyses and X-ray diffraction analyses. The mechanical properties were measured by standard consolidation and permeability tests. The experimental results indicate that 1) desiccation can dramatically reduce the liquid limit of sludge and 2) the reduction rate of the compression indices between the original wet materials and the desiccated materials is proportional to the ignition loss of the materials when Li exceeds 12%.

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Applicability of Cement-Stabilized Pond-Mud Soil as Embankment Material for Irrigation Pond Dam Repairment

Cited by 9 publications

References 2 publications

Deterioration of Strength of Lime-Stabilized Soils Subjected to the Repetition of Crush and Compaction

Deterioration of Strength of Lime-Stabilized Soils Subjected to the Repetition of Crush and Compaction

Experimental Study on the Efficient Dehydration of Dredged Sludge With a Compact Filter Press

Physical, Chemical and Mechanical Properties of Dredged Sludge and Effect of Desiccation on the Properties

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