The 2015 Shenzhen catastrophic landslide in a construction waste dump: Reconstitution of dump structure and failure mechanisms via geotechnical investigations

Zhan, Liangtong; Zhang, Zhen; Chen, Yunmin; Chen, Rui; Zhang, Shuai; Liu, Jian; Li, Aiguo

doi:10.1016/j.enggeo.2018.02.019

Cited by 69 publications

(20 citation statements)

References 7 publications

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“…On December 2,02,015 a landslide of CSW landfill occurred in Shenzhen city, China, causing 73 deaths, 4 missing persons and 17 injuries with a total economic loss of 881 million (Yin et al 2016;Yang et al 2017;Zhan et al 2018). This CSW landfill site was originally an abandoned quarry with large pits filled by water of about 90,000 m 3 , as shown in Figure 1.…”

Section: Landslide Of the Shenzhen Csw Landfillmentioning

confidence: 99%

“…Before sliding, Terraces T0 to T6 have been completed and afforested while Terraces T7 to T9 are still being filled (Yin et al 2016). The total volume of CSW in landfill is about 5.83 million cubic metres, which is mainly composed of engineering waste soils mixed with a small amount (0.73 million cubic metres) of concrete bricks and domestic refuse (Zhan et al 2018). As shown in Figure 2, this landslide is among the largest CSW landfill landslides in the world as its volume reaches more than 2.7 million cubic metres.…”

Section: Landslide Of the Shenzhen Csw Landfillmentioning

confidence: 99%

“…After exiting off the initial failure surface, the major slide mass continuously moved forward over 700 metres, being flow-like and fan-shaped before coming to rest. The soil mass movement completely ceased at a distance of 1100 m from the trailing edge of the landslide (Yin et al 2016;Zhan et al 2018).…”

Section: Landslide Of the Shenzhen Csw Landfillmentioning

confidence: 99%

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Construction solid waste landfills: risk assessment and monitoring by fibre optic sensing technique

Zhu

Borana

et al. 2020

Geomatics, Natural Hazards and Risk

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The development of underground spaces generates large amounts of construction wastes, which are generally disposed for the landfill outside of the city in China. This study briefly reviewed a landslide tragedy of a CSW landfill in China; Lessons learned from the failure of risk assessment and preventions were discussed, which showed that two challenging strategies are significant for the risk identification and mitigation. One is the effective early warning system based on field large-deformation measurement; the other is the efficient risk assessment with internal deformation data. To this end, a new sensing method is developed for the large-deformation measurement inside CSW landfills. The proposed fibre-optic based transducer can measure large deformation of up to 1200 mm with a high accuracy. Finally, the risk assessment of CSW landfill was proposed with the combined use of field monitoring data and risk evaluation model. The theoretical equations for stability analysis and potential application framework for the application of this technique in the risk assessment of CSW landfill landslide are presented. This approach possesses the advantages of capturing excessive and irregular deformation of solid waste landfills and of efficient response for the risk mitigation with the help of early warning system.

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Section: Landslide Of the Shenzhen Csw Landfillmentioning

confidence: 99%

Section: Landslide Of the Shenzhen Csw Landfillmentioning

confidence: 99%

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Construction solid waste landfills: risk assessment and monitoring by fibre optic sensing technique

Zhu

Borana

et al. 2020

Geomatics, Natural Hazards and Risk

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“…Rainfall-induced landslide usually causes catastrophic disaster, for example, a slope in Shenzhen, China, failed after a heavy rainstorm and killed 78 people in 2015 [1]. e main reason for this kind of failure is that the soil mechanical properties decreased with the increasing water contents resulting from rainfall infiltration.…”

Section: Introductionmentioning

confidence: 99%

Effect of Moisture Content on the Shear Behaviour of a Completely Decomposed Granite: An Experimental Study

Liu

Lin

Wang

et al. 2021

Advances in Civil Engineering

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To figure out the effect of moisture content on the shear behaviour of undisturbed completely decomposed granite (CDG) soil, a series of in situ and laboratory direct shear tests were carried out, under different normal stress and moisture contents. The test results showed that the increasing moisture content could obviously weaken the shear strength, cohesion, and frictional angle. Two linear equations were proposed for estimating the cohesion and the frictional angle at any moisture content in the field. The estimated strength parameters could be used for safety evaluation and/or engineering design of CDG cutting slope. The rate of reduction of the cohesion was much higher than that of the tangent value of frictional angle. Due to the disturbance of laboratory sample and size effect, the strength parameters obtained from the in situ test were a little bit higher than those from the laboratory test.

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“…China is taking the road of urbanization of large-scale expansion, large-scale reconstruction, large-scale demolition, and large-scale construction. At the same time, the generation and emission of urban waste are also growing rapidly, among which construction waste accounts for 30%~40% of the total urban waste [1,2]. According to rough statistics from relevant departments, the amount of construction waste generated and discharged in China each year is more than 100 million tons, and the total amount of construction waste generated in other forms will reach hundreds of millions of tons.…”

Section: Introductionmentioning

confidence: 99%

The Role of Cooperative Management Mode of Prefabricated Buildings According to Building Information Modeling in the Recycle Management of Construction Waste

Tang¹

2019

Proceedings of the 2nd International Symposium on Social Science and Management Innovation (SSMI 2019)

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In order to realize the comprehensive utilization of construction waste resources, in this research, firstly, the definition, classification, generation way, and harm to the environment of construction waste are analyzed, and the importance of scientific and effective recycle management of construction waste is pointed out. Then combining building information modeling (BIM) technology with prefabricated building management, a BIM-based prefabricated building collaborative management model is proposed and applied to the recycle management of construction waste. The results show that the cooperative management mode enables the construction waste to be classified scientifically and improves the accuracy and efficiency of recycle management of construction waste, and achieve comprehensive utilization of construction waste resources. Therefore, through the application of the actual management platform, the collaborative management model of prefabricated building based on BIM technology effectively achieves the construction waste recycling management, reduces the disposal cost of construction waste, decreases the pollution of construction waste to the environment, and takes the road of sustainable development.

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The 2015 Shenzhen catastrophic landslide in a construction waste dump: Reconstitution of dump structure and failure mechanisms via geotechnical investigations

Cited by 69 publications

References 7 publications

Construction solid waste landfills: risk assessment and monitoring by fibre optic sensing technique

Construction solid waste landfills: risk assessment and monitoring by fibre optic sensing technique

Effect of Moisture Content on the Shear Behaviour of a Completely Decomposed Granite: An Experimental Study

The Role of Cooperative Management Mode of Prefabricated Buildings According to Building Information Modeling in the Recycle Management of Construction Waste

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