Study on landslides in loess slope due to infiltration

Zhou, Yuefeng; 周跃峰,

doi:10.5353/th_b4819939

Cited by 7 publications

(4 citation statements)

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“…The meaningful results prove that the site was selected reasonably. Based on the site investigation, the field test was conducted successfully [6,7] .…”

Section: Discussionmentioning

confidence: 99%

“…The groundwater level was monitored by a piezometer (P7 in Fig. 4) below groundwater table, showing a depth of 25.5 m to 25.6m below the ground surface [6] .…”

Section: Applied Mechanics and Materials Imentioning

confidence: 99%

“…Thereafter, they were sealed by molten wax immediately for storage in laboratory. Undisturbed specimens with 76mm diameter can be extracted using a thin-wall tube for soil testing [6] .…”

Section: Samplingmentioning

confidence: 99%

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Site Investigation of a Loess Slope for a Field Irrigation Test

Zhou

Tham

et al. 2013

AMM

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The Heifangtai plateau, having an area of about 14 km2, has experienced more than 70 loess landslides since 1960s. Aiming at investigating the slope instability induced by irrigation, a field test was proposed. As an important part of the field test, a detailed site investigation was conducted systematically. The topographical details of a typical loess slope at Heifangtai were obtained by a 3D laser scanner. The cracks and the plan view of the site were obtained using GPS. The lithological profile, groundwater level, sampling and soil permeability, were also investigated respectively. On the basis of the site investigation, the field test was conducted successfully.

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“…The meaningful results prove that the site was selected reasonably. Based on the site investigation, the field test was conducted successfully [6,7] .…”

Section: Discussionmentioning

confidence: 99%

“…The groundwater level was monitored by a piezometer (P7 in Fig. 4) below groundwater table, showing a depth of 25.5 m to 25.6m below the ground surface [6] .…”

Section: Applied Mechanics and Materials Imentioning

confidence: 99%

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Site Investigation of a Loess Slope for a Field Irrigation Test

Zhou

Tham

et al. 2013

AMM

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“…It is well known that irrigation water infiltration plays a critical role in the groundwater regime in the Heifangtai terrace (Zhou, 2012;Zhang et al, 2013;Zeng et al, 2016). The recharge and variation of groundwater regulate initiation of the recurring loess flowslides, which depend on the boundary between dry and wet loess (Figs.…”

Section: Hydrogeological Conditions Of Loess Flowslide Initiationmentioning

confidence: 99%

Initiation and mobility of irrigation-induced loess flowslide recurrence on the Heifangtai area in China: Insights from hydrogeological conditions and liquefaction criteria

Zhang¹,

Wang²,

Peng³

2021

Preprint

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The Heifangtai area is commonly known as the museum of loess landslides in China. Irrigation-induced loess flowslides frequently recur along the margin cliffs of the Hefaingtai terrace, causing 42 fatalities and significant economic losses, as well as major ecological and environmental problems, such as increased soil erosion rate. The initiation and mobility of these irrigationinduced loess flowslide recurrences remain undetermined. On three typical recurrences of the loess flowslides, we performed joint geophysical detection using electrical resistivity tomography (ERT) and multichannel analysis of surface waves (MASW), and also tested loess basic properties by field profile sampling. In addition, we examined the shear behaviors of saturated loess utilizing an undrained ring shear apparatus. The geophysical signatures and in-situ loess property profiles showed that hydrogeological conditions are key to the initiation of recurring loess flowslides. The results also demonstrated that liquefaction shear behaviors of saturated loess control the mobility of after-failure of the loess flowslides. Rapid criteria of liquefaction susceptibility evaluation are suggested to provide a better understanding of the dynamic mechanisms of loess flowslides. These findings shed substantial light on long-runout flowslides that occur in fine-grain soil and their implications for landslide hazard mitigation.

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Preliminary Investigation of the Soil-Water Characteristics of Loess Soils in Canterbury, New Zealand

Yates

Fenton

2018

IAEG/AEG Annual Meeting Proceedings, San Francisco, California, 2018—Volume 6

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Study on landslides in loess slope due to infiltration

Cited by 7 publications

References 0 publications

Site Investigation of a Loess Slope for a Field Irrigation Test

Site Investigation of a Loess Slope for a Field Irrigation Test

Initiation and mobility of irrigation-induced loess flowslide recurrence on the Heifangtai area in China: Insights from hydrogeological conditions and liquefaction criteria

Preliminary Investigation of the Soil-Water Characteristics of Loess Soils in Canterbury, New Zealand

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