2024 Vol. 43, No. 6

Display Method:
2024, 43(6): Ⅰ-Ⅵ.
Abstract PDF icon378 icon1643
Abstract:
Quantitative risk assessment for debris flows based on dynamic process: A case study of Huangniba gully, Muli County, Liangshan Prefecture, Sichuan Province
WANG Dongpo, DONG Qi, LIAO Liangbo, LU Shuai, YAN Shuaixing
2024, 43(6): 1-14. doi: 10.19509/j.cnki.dzkq.tb20240148
Abstract:
Objective, Methods

This study focus on debris flows in Huangniba gully, Muli County, Liangshan Prefecture, Sichuan Province, utilizing a mass flow numerical simulation platform. Through field investigations and the construction of numerical models, we analyze the mechanisms driving debris flow format...

Dynamic selection of optimal tunnel convergence prediction model for a probabilistic deformation prediction
ZENG Peng, ZHANG Zhiqiang, LI Tianbin, Tang Hao, YAN Zulong, MENG Lubo
2024, 43(6): 15-25. doi: 10.19509/j.cnki.dzkq.tb20240187
Abstract:
Objective

In high geostress or complex geological conditions, tunnel convergence frequently exceeds the threshold, resulting in damage to support structures and, in extreme cases, tunnel collapse. Accurately predicting the deformation trend and convergence of surrounding rock during tunnel constructi...

Fiber optic nerve sensing system for landslide monitoring: Technology and application
MA Ning, LI Shaokai, TIAN Feng, YE Xiao, ZHU Honghu
2024, 43(6): 26-38. doi: 10.19509/j.cnki.dzkq.tb20240422
Abstract:
Significance

Landslide disasters are widely distributed in China. Effective monitoring, early warning, and risk management measures are key to disaster prevention and mitigation.

Progress

Compared with conventional techniques, distributed fiber optic sensing (DFOS) technology has made significant prog...

Design and experiment of landslide monitoring algorithm based on MEMS sensor
WU Di, LIANG Taiming, WU Jing, WU Jianjian, YI Yang, LOU Wanpeng
2024, 43(6): 39-50. doi: 10.19509/j.cnki.dzkq.tb20240214
Abstract:
Objective

To address current engineering challenges such as poor stability and accuracy, limited coverage, and high costs associated with soil landslide displacement monitoring, a novel method based on microelectromechanical system (MEMS) sensor technology is proposed.

Methods

By considering the kinema...

A method for extracting water from barrier lake in high mountain areas based on decision tree classification: A case study of Attabad barrier lake on the Karakoram Highway
LI Yousan, CAO Guangchao, ZHAO Meiliang, YE Wenqian, QI Wanqiang, YANG Hongkui, WU Yuanzhao, GU Qiang, LU Yuguo, WANG Shilin
2024, 43(6): 51-62. doi: 10.19509/j.cnki.dzkq.tb20240125
Abstract:
<p>The water dynamics of barrier lakes in high mountain areas are crucial for risk assessment, disaster prediction, safety management, and decision-making. </p></sec><sec><title>Objective and Methods

To accurately and efficiently extract the water boundaries of mountaino...

Slope stability evaluation of mine rehabilitation project under different rainfall conditions
TU Meiyi, YUAN Shiyu, CHEN Jiangjun, GE Yunfeng
2024, 43(6): 63-77. doi: 10.19509/j.cnki.dzkq.tb20230527
Abstract:
Objective

Mountain restoration is currently one of the major projects in environmental engineering. The backfill formed in artificial slopes is relatively loose and highly susceptible to the impact of rainfall intensity, leading to slope instability.

Methods

In this study, a combination of numerical si...

Prediction of the wave induced by a gaint accumulation impoundment instability in Lantsang River
HU Daru, WU Shuyu, LUO Chaopeng, DENG Hui, LI Pengfei, WANG Zhaoying
2024, 43(6): 78-88. doi: 10.19509/j.cnki.dzkq.tb20230598
Abstract:
Objective

The RM hydropower station is proposed to be constructed in the upper reaches of the Lancang River. Its impoundment and operation might result in deformation and instability of the RS giant accumulation on the left bank near the dam, thereby triggering landslide-induced wave disasters and en...

Risk assessment and system development of surrounding rock instability in highway tunnel based on Bayesian network
ZOU Hemin
2024, 43(6): 89-101. doi: 10.19509/j.cnki.dzkq.tb20240205
Abstract:
Objective

With the rapid development of China's transportation industry, the geological conditions encountered in highway construction are becoming increasingly complex. Tunnels, owing to their ability to traverse mountainous terrain, are widely used in highway projects through challenging geological...

Calculation of capacity and optimization design-composite slab wall soil solidification foundation based on neural network
ZHOU Linggang, HU Yiting, CHEN Xinwei, TU Feng, WU Zhaofeng, YU Yang, WANG Yanbing, MAN Yin, LI Weichao
2024, 43(6): 102-113. doi: 10.19509/j.cnki.dzkq.tb20230720
Abstract:
Objective

The soil solidification technique is widely used in soft foundation treatment. To exploit spatial plasticity of this technique, composite slab wall soil solidification foundations have gradually been applied in engineering projects. However, a reliable method for calculating the bearing cap...

On-site full-scale test research for difference of anti-pull bearing characteristics between single anchor and group anchors foundation of transmission lines
ZHANG Wenxiang, CUI Qiang, QIU Haoci, LU Zhou, XI Banglu, ZHANG Zhenhua
2024, 43(6): 114-124. doi: 10.19509/j.cnki.dzkq.tb20240221
Abstract:
Objective

To investigate the differences in anti-pull bearing characteristics between single anchor and group anchors foundations of transmission lines,

Methods

this study employs a combination of theoretical analysis and field experiments. First, based on the structural characteristics, the bearing me...

Distributed acoustic sensing monitoring of overburden fractures in coal mine goaf
CAO Kai, WU Jianning, LU Yuan, PANG Xiaolong, HE Zhihua, YU Xiaoqing, WANG Xuan
2024, 43(6): 125-135. doi: 10.19509/j.cnki.dzkq.tb20240215
Abstract:
Objective

As socioeconomic development advances, challenges associated with coal mining beneath structures such as buildings, water bodies, and railways have intensified markedly. It is increasingly imperative to extract underground minerals within acceptable boundaries while diligently monitoring t...

Evaluation of swelling-shrinkage of expansive soil based on subjective and objective weighting and efficiency coefficient methods
SONG Chenglin, ZHANG Daliang, WANG Yingchao, XU Hang, LI Qingli
2024, 43(6): 136-143. doi: 10.19509/j.cnki.dzkq.tb20240074
Abstract:
Objective

Classifying the swelling-shrinkage degree of expansive soil is a critical issue in their management of expansive soil. To prevent and mitigate engineering disasters, accurate evaluation of the swelling-shrinkage for expansive soil is essential. This study applies the efficacy coefficient m...

Infrasound early warning model for debris flow in a typical drainage basin in Beijing mountainous area
YU Jiashuo, ZHAI Shuhua, XU Shangzhi, MAO Jian, LI Menglun, WANG Qiangqiang, LIU Huanhuan, WANG Yuntao, YU Miao
2024, 43(6): 144-151. doi: 10.19509/j.cnki.dzkq.tb20240223
Abstract:
Objective

Infrasound is an effective approach for debris flow warning. Traditional threshold-based warning methods focus solely on individual infrasound characteristics, which can lead to false alarms or missed detections. Thus, incorporating multiple time-frequency characteristics is essential to i...

Settlement and deformation monitoring and spatio-temporal data interpolation method for urban ultra long subway tunnels under soft soil foundation
HAN Chenxi, HUANG Hongwei, OUYANG Linghan, ZHOU Mingliang
2024, 43(6): 152-161. doi: 10.19509/j.cnki.dzkq.tb20240217
Abstract:
Objective

Precise monitoring of settlement and convergence deformation in urban subway tunnels is crucial for ensuring operational safety and the stability of the surrounding environment. Traditional methods, such as manual inspections and fixed sensor monitoring, suffer from poor real-time performa...

Stability of soil-rock mixture slopes based on random field theory
BIAN Hongguang, WANG Shun, MA Haishan, XIN Peng
2024, 43(6): 162-170. doi: 10.19509/j.cnki.dzkq.tb20240183
Abstract:
<p>The extensive distribution and complex material composition of soil-rock mixture slopes in China have attracted significant attention from scholars.</p></sec><sec> <title>Objective

This study aims to scientifically and rationally assess the impact of the spatial vari...

Time-series InSAR deformation gradient estimation and urban buildings risk assessment: A case study in the Beijing Plain
ZUO Shicheng, DONG Jie, LIAO Mingsheng
2024, 43(6): 171-183. doi: 10.19509/j.cnki.dzkq.tb20240117
Abstract:
Objective

Differential deformation of urban land surfaces can threaten or damage surface infrastructure, leading to fractures and distortions. Monitoring spatial differential deformation and assessing associated risk levels are crucial for urban safety management.

Methods

This study employs Sentinel-...

Analysis of spatial-temporal variations in landslide susceptibility assessment considering surface deformation and land use dynamics
ZHANG Jinrui, WANG Yang, FENG Xiao, LI Yuanyao, JIN Bijing, ZHOU Chao, ZHANG Xin, DENG Yang
2024, 43(6): 184-195. doi: 10.19509/j.cnki.dzkq.tb20240195
Abstract:
Objective

To investigate the spatial-temporal variations in landslide susceptibility due to human engineering activities in resettled urban areas.

Methods

This study focuses on the new urban area of Yunyang County in the Three Gorges Reservoir region. Landslide susceptibility time-varying index fac...

Potential chain disaster evolution process of debris flow blockage and dam failure floods in the Bailong River basin
LI Hongjie, CHANG Ming, TANG Liangliang, WANG Gaofneg, LI Linze, XIA Zhe, ZHU Xisong, NI Zhang
2024, 43(6): 196-211. doi: 10.19509/j.cnki.dzkq.tb20240168
Abstract:
Objective

In the aftermath of the "5.12" Wenchuan earthquake, the frequency of chain disasters, precipitated by debris flow blockages and subsequent breaching floods, significantly increased in the Bailong River basin. The region's distinctive geological conditions, characterized by numerous towns ...

Coseismic slip distribution and 3D deformation field simulation of the Menyuan Mw 6.7 earthquake in Qinghai based on InSAR constraint
ZENG Rui, JIANG Yanan, YAN Aoxiang, Cheng Yan, LUO Huiyuan
2024, 43(6): 212-225. doi: 10.19509/j.cnki.dzkq.tb20240004
Abstract:
<p>On January 8, 2022, a <italic>M</italic><sub>w</sub> 6.7 earthquake stuck Menyuan Hui Autonomous County, Qinghai Province, resulting in extensive surface ruptures and the closure of the Lanzhou-Xinjiang high-speed railway.</p></sec><sec> <title...
Progressive analysis of the progressive failure process of accumulated bank slope under dynamic water scour
DU Yongjiang, WANG Yunsheng, ZOU Zinan, SUN Yaoming
2024, 43(6): 226-234. doi: 10.19509/j.cnki.dzkq.tb20240213
Abstract:
Objective

In the southwest region of China, where canyons are deeply incised and water flows are turbulent, disasters frequently occur. The accumulated masses are widely distributed, and understanding the mechanisms and evolutionary processes of riverbank slopes composed of these masses under dynamic...

Failure mechanism of small-scale soil landslide and quantitative evaluation of rain-induced disaster factors in eastern Jiangxi
LIU Qing, GAN Jianjun, CHEN Hao, LI Xiaoming, ZHOU Guobin
2024, 43(6): 235-243. doi: 10.19509/j.cnki.dzkq.tb20230678
Abstract:
Objective

This study aims to investigate the causes of typical soil landslides in eastern Jiangxi and assess the influence of rainfall on slope stability in the region.

Methods

Using the Ziwu landslide in Guangfeng District, Shangrao City, Jiangxi Province as a case study, this paper conducted a co...

Sedimentary and reservoir characteristics of Late Pliocene deep-water depositional units in Rakhine Basin in the Bay of Bengal
WU Jianan, WEI Hui, FAN Guozhang, JIA Junmin, MA Hongxia, DING Liangbo, XU Xiaoyong, WANG Hongping, ZHANG Ying, YIN Xingjia, CHEN Hui, SU Ming, WANG Ce, ZHUO Haiteng
2024, 43(6): 244-257. doi: 10.19509/j.cnki.dzkq.tb20230577
Abstract:
Significance

In recent years, notable discoveries in deep-water oil and gas exploration have emerged in the Rakhine Basin, located in the northern Bay of Bengal.

Methods

In this study, high-resolution 3D seismic data from the Rakhine Basin were used to identify deep-water sedimentary architectural ele...

Prediction method of thin sand reservoir with coal bearing: An example from PB area of Xihu Sag at East China Sea
LUO Pan, LI Jiusheng
2024, 43(6): 258-270. doi: 10.19509/j.cnki.dzkq.tb20230663
Abstract:
<p>In the sedimentary environment shaped by river-tidal bidirectional flow, thin coal seams are typically located within the oil- and gas-bearing strata of the Pinghu Formation in the PB area of the Xihu Sag. These coal seams significantly influence the seismic amplitude, phase, and frequency ...
Interwell interference analysis and well spacing optimization of tight oil wells based on geological engineering integration
REN Jiawei, BAI Xiaohu, TANG Sirui, CHEN Junbin, DONG Qi, YU Jinzhu
2024, 43(6): 271-280. doi: 10.19509/j.cnki.dzkq.tb20230631
Abstract:
<p>With the implementation of infilling new wells and refracturing existing ones, the spacing between wells has decreased, the scale of stimulation for individual wells has expanded, and the level of interference among wells has heightened, significantly impacting fracturing effectiveness and ...
Hydrochemical analysis and pollution assessment of the Anjiang underground river system in central Guizhou
ZHAO Cui, QIN Hongliang, ZHU Yuhua, LUO Lin, HE Miaoling, LI Zhonghua
2024, 43(6): 281-291. doi: 10.19509/j.cnki.dzkq.tb20240075
Abstract:
Objective

This study aims to establish a scientific framework for managing pollution in the Anjiang underground river system in central Guizhou and maintaining the ecological integrity of the Wujiang River basin.

Methods

The approach involves comprehensive hydrogeological surveys and analytical testing...

Identification and genetic mechanism of recharge sources in groundwater-rich area of Changxiao karst water system in Jinan City
LIU Yi, KANG Fengxin, ZHANG Wenqiang, XU Qingyu, QIN Peng, ZHAO Qiang, LI Jialong, CUI Yang, SUI Haibo, ZHENG Tingting
2024, 43(6): 292-305. doi: 10.19509/j.cnki.dzkq.tb20240122
Abstract:
Objective and methods

In this study, the hydrochemical method and self-organized neural network (SOM-KM) coupling method were employed to identify recharge sources and reveal the water-rich mechanism in the karst groundwater-rich area of the Changxiao karst water system in Jinan City. The contributio...

Research trends and frontiers of groundwater-lake interaction
YANG Zesen, LIN Jingjing, CHANG Qixin, ZHOU Aiguo, HUANG Xiaolong
2024, 43(6): 306-317. doi: 10.19509/j.cnki.dzkq.tb20240463
Abstract:
Significance

To analyze the research trends and frontiers in the field of groundwater-lake interaction, we conducted a comprehensive review the relevant papers from the Web of Science (WOS) database. Using VOSviewer software, we mapped the developmental trajectory of research topics in the field. Cor...

Automatic classification of pore structures of low-permeability sandstones based on self-organizing-map neural network algorithm
LU Yan, LIU Zongbin, LIAO Xinwu, LI Chao, LI Yang
2024, 43(6): 318-330. doi: 10.19509/j.cnki.dzkq.tb20240056
Abstract:
Objective

The pore system of low-permeability sandstone reservoirs is intricate, and the distribution of pore-throat sizes is highly variable. The microscopic pore structure significantly influences the reservoir′s petrophysical properties and plays a critical role in controlling fluid flow within sa...