2020 Vol. 26, No. 4

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2020, 26(4): 封二-封三.
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Study on the mechanism of deep and large fracture propagation and transfixion in karst slope under the action of mining
YANG Zhongping, JIANG Yuanwen, LI Bin, GAO Yang, LIU Xinrong, ZHAO Yalong
2020, 26(4): 459-470. doi: 10.12090/j.issn.1006-6616.2020.26.04.039
Abstract (950) HTML (160) PDF (24875KB)(37) [Cited by] (29)
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In order to study the failure mechanism of the high and steep karst slope under the action of mining,the development law of the slope fracture under the action of mining is studied by using the numerical simulation of universal distinct element code (UDEC). The results show that the mining action ha...
An analysis of dynamic response characteristics of the Yigong Landslide in Tibet under strong earthquake
LIU Zheng, LI Bin, HE Kai, GAO Yang, WANG Wenpei
2020, 26(4): 471-480. doi: 10.12090/j.issn.1006-6616.2020.26.04.040
Abstract (620) HTML (151) PDF (12311KB)(34) [Cited by] (21)
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The Yarlung Zangbo River Grand Canyon area in Tibet is a highly prone area for earthquake-triggered landslides,where several landslides have occurred before. Taking the Yigong Landslide as an example,this article analyzes the frequency response characteristics of the Yigong Mountain by using the FLA...
Study on instability mechanism of shallow landslide caused by typhoon and heavy rain
YAN Jinkai, HUANG Junbao, LI Hailong, CHEN Liang, ZHANG Yanling
2020, 26(4): 481-491. doi: 10.12090/j.issn.1006-6616.2020.26.04.041
Abstract (731) HTML (125) PDF (18167KB)(74) [Cited by] (25)
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The instability mechanism of shallow landslide under the coupling of typhoon and heavy rain is studied. On the basis of summarizing the disaster characteristics of landslides caused by typhoon and heavy rain in Fujian, it is proposed that the influence mechanism of wind load on slope deformation and...
Two-phase motion analysis system for landslide-induced impulse wave based on the particle image velocimetry
CHEN Xiaoting, HUANG Bolin, WANG Jian, ZHANG Quan, FENG Wanli
2020, 26(4): 492-499. doi: 10.12090/j.issn.1006-6616.2020.26.04.042
Abstract (409) HTML (152) PDF (9773KB)(18) [Cited by] (7)
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Landslide-induced impulse wave disasters threaten the safety of production and life of residents along both sides of the river and the safety of navigation channels. However, there is still a lack of relevant physical experimental analysis system to provide fluid-solid two-phase motion vector synchr...
Physical experiment and numerical model analysis of surge caused by collapse of columnar dangerous rock mass
ZHAO Hailin, HUANG Bolin, ZHANG Quan, ZHENG Jiahao, FENG Wanli, CHEN Xiaoting
2020, 26(4): 500-509. doi: 10.12090/j.issn.1006-6616.2020.26.04.043
Abstract (594) HTML (94) PDF (8422KB)(21) [Cited by] (8)
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Columnar dangerous rock mass is a common hidden geological hazard in the Three Gorges reservoir area, and the surge induced by collapse causes great threat and damage to shipping, tourism, production and life, as well as personnel and property in the reservoir area. In this paper, based on the bound...
Progress and issues in the research of impact and scraping effect of high-elevation and long-runout landslide
GAO Yang, LI Bin, GAO Haoyuan, HE Kai, LIU Pengfei
2020, 26(4): 510-519. doi: 10.12090/j.issn.1006-6616.2020.26.04.044
Abstract (632) HTML (145) PDF (9040KB)(53) [Cited by] (34)
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The impact and scraping effect has always been a hot issue in the dynamics study of high-elevation rock landslide in the southwestern mountainous area of China. On the basis of a large number of field investigations and the current research status at home and abroad, the current basic theory and res...
Analysis of the fluidization process of the high-position and long-runout landslide in Shuicheng, Liupanshui, Guizhou Province
LI Zhuang, GAO Yang, HE Kai, GAO Haoyuan, WEI Tongyao, LIU Zheng, ZHAO Zhinan
2020, 26(4): 520-532. doi: 10.12090/j.issn.1006-6616.2020.26.04.045
Abstract (827) HTML (217) PDF (37221KB)(49) [Cited by] (24)
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High-position and long-runout landslide is a kind of common geological disaster in the southwestern mountainous area of China. It always exists with impact disintegration effect,then converts to avalanche debris or debris flow with the characteristics of fluidization movement and accumulation. The J...
Study on the surge induced by the collapse of dangerous rock mass in Longmen Village in Three Gorges reservoir area
ZHENG Jiahao, HUANG Bolin, ZHANG Quan, ZHAO Hailin, FENG Wanli, WANG Jian, CHEN Xiaoting
2020, 26(4): 533-543. doi: 10.12090/j.issn.1006-6616.2020.26.04.046
Abstract (601) HTML (192) PDF (18089KB)(27) [Cited by] (13)
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The towering rock masses on both sides of the Yangtze River bring huge safety hazards to the waterway and residents along the river. The Daning River is a tributary of the Yangtze River. The dangerous rock mass in Longmen Village is located above the Daning River, only 1km away from Wushan County. I...
Fundamental problems and prospects in the study of deposition dynamics of viscous debris flow in the gully-river junction
LIU Jingjing, MA Chun, LI Chunyu
2020, 26(4): 544-555. doi: 10.12090/j.issn.1006-6616.2020.26.04.047
Abstract (510) HTML (90) PDF (8357KB)(21) [Cited by] (3)
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Viscous debris-flow deposits in the junction with mainstream channel may greatly change the morphology, and the dynamics relies on the interaction between the Newtonian fluid and non-Newtonian fluid. The deposition under water differs much from that on the surface, and properly describing the subaqu...
Geohazard monitoring and risk management of high-steep slope in the Wudongde dam area
LI Bin, ZHANG Qing, WANG Wenpei, ZHAO Qisu, WANG Chenhui, HE Kai, GAO Yang, ZHANG Xiaofei
2020, 26(4): 556-564. doi: 10.12090/j.issn.1006-6616.2020.26.04.048
Abstract (878) HTML (213) PDF (14781KB)(64) [Cited by] (25)
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Taking the high-steep slope of Shuidiantang of the Wudongde dam on the Jinsha River as an example, this paper explores systematically the early warning technology and risk management of the high-steep slope monitoring with a height of over 500 m. Rock mass collapse often occurs at slopes with the gr...
InSAR monitoring and analysis of landslide deformation after the earthquake in the Zhangmu Port, Tibet
HAN Dongjian, YANG Chengsheng, DONG Jihong
2020, 26(4): 565-574. doi: 10.12090/j.issn.1006-6616.2020.26.04.049
Abstract (557) HTML (133) PDF (21685KB)(22) [Cited by] (17)
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The Zhangmu Port,located on the border between China and Nepal,is a national first-class land trading port and the largest border trade port in Tibet. After the Nepal earthquake in 2015, the Zhangmu port was closed due to multiple landslide disasters. In order to investigate the distribution and def...
Research on multi-source heterogeneous data fusion algorithm of landslide monitoring based on BP neural network
WANG Zhiwei, WANG Li, HUANG Guanwen, HAN Qingqing, XU Fu, YUE Cong
2020, 26(4): 575-582. doi: 10.12090/j.issn.1006-6616.2020.26.04.050
Abstract (721) HTML (205) PDF (4701KB)(53) [Cited by] (74)
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Aiming at the multi-source heterogeneous data fusion problem of landslide monitoring,a multi-source heterogeneous monitoring data fusion algorithm based on BP neural network is proposed in this paper. The temperature,humidity,wind power,cloudiness,precipitation and accumulated precipitation which af...
In-situ stress measurement in the shallow basement of the Shanghai area and its structural geological significance
ZHANG Hao, SHI Gang, WU Hong, SHAO Lei, WANG Qian
2020, 26(4): 583-594. doi: 10.12090/j.issn.1006-6616.2020.26.04.051
Abstract (651) HTML (135) PDF (20688KB)(56) [Cited by] (22)
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By the hydraulic fracturing method and the ultrasonic imaging logging method, in-situ stress measurement was carried out in the shallow basement (180 m depth range) of the Shanghai area. The measurement results show that the maximum horizontal principal stress is between 9.54~12.91 MPa, and the mini...
Analysis of the stability of the Lisizhuang landslide in Shunping County, Hebei Province
WANG Huiqing, FENG Chengjun, QI Bangshen, WANG Jiming, SUN Mingqian, YANG Xiaoxiao, WAN Jiawei, FAN Yulu, ZHANG Peng, MENG Jing, TAN Chengxuan
2020, 26(4): 595-603. doi: 10.12090/j.issn.1006-6616.2020.26.04.052
Abstract (491) HTML (302) PDF (13404KB)(24) [Cited by] (16)
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The Lisizhuang landslide is the most potentially dangerous accumulation landslide in a residual slope accumulation layer. The toe of the landslide slope was cut to meet the need of construction land, reducing the stability of the landslide. Under the extreme rainfall conditions, the landslide may re...
Characteristics and susceptibility evaluation of geohazard development in Shunping county, Hebei province
WAN Jiawei, FENG Chengjun, QI Bangshen, SUN Mingqian, YANG Xiaoxiao, WANG Huiqing, FAN Yulu, ZHANG Peng, MENG Jing, TAN Chengxuan
2020, 26(4): 604-614. doi: 10.12090/j.issn.1006-6616.2020.26.04.053
Abstract (1011) HTML (287) PDF (21688KB)(51) [Cited by] (15)
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Shunping county of Hebei province is located at the eastern foot of the Taihang Mountains. There mainly are four kinds of geohazards, including rockfall, landslide, mud-rock flow, and earth fissures, which are widely distributed in different geomorphic units of this county. Based on the analysis of ...

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