2018 Vol. 24, No. 6

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2018, 24(6): .
Abstract (128) PDF (460KB)(6)
Abstract:
A STUDY ON OIL-CONTROL MODEL OF SUBORDINATE SHEAR STRUCTURAL SYSTEM IN CHINA
KANG Yuzhu
2018, 24(6): 737-747. doi: 10.12090/j.issn.1006-6616.2018.24.06.076
Abstract (297) HTML (131) PDF (14219KB)(18)
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Guided by the theory of geomechanics, the oil-control effect of 8 (regional) structural systems, including Tarim, Junggar-Tuha, Corridor Area, Ordos, Sichuan, Songliao and Bohai gulf are studied. It is deeply recognized that the distribution of oil and gas fields is mainly controlled by various subo...
THE DUCTILE SHEAR DEFORMATION AGE OF THE JIAMUSI-YITONG FAULT AND ITS GEOLOGICAL SIGNIFICANCE
GAO Wanli, WANG Zongxiu, LI Leilei, CUI Mingming
2018, 24(6): 748-758. doi: 10.12090/j.issn.1006-6616.2018.24.06.077
Abstract (576) HTML (187) PDF (17292KB)(19)
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As a major section in the northern part of Tan-Lu fault, the ductile shear deformation age of Jiamusi-Yitong fault (Jia-Yi fault for short) is still an unsolved scientific problem. In this study, a ductile shear zone was discovered near the Nancheng reservoir in the Changtu section of Jia-Yi fault. ...
A STUDY ON DISTRIBUTION CHARACTERISTICS AND ACTIVITY OF NORTH-WEST FAULTS IN SHENZHEN
CAO Xinwen, MA Xiumin, GONG Shuyun, JI Youliang, FANG Chunbo, LI Zhen, DU Wei
2018, 24(6): 759-767. doi: 10.12090/j.issn.1006-6616.2018.24.06.078
Abstract (559) HTML (154) PDF (29334KB)(52)
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The faults in Shenzhen constitute a complex grid-shaped fault system, mainly dominated by multiple secondary faults interlacing with each other in the NE-trending Wuhua-Shenzhen fault zone (WSFZ) and the NW-trending Pearl River Mouth fault zone (PRMFZ) and several WE-trending faults cutting through....
A NUMERICAL CALCULATION APPROACH BASED ON FEM FOR LONG-TERM DEFORMATION OF LITHOSPHERE
YANG Shaohua, LI Zhonghai
2018, 24(6): 768-775. doi: 10.12090/j.issn.1006-6616.2018.24.06.079
Abstract (329) HTML (142) PDF (4551KB)(25)
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Finite element method (FEM), which is very important in almost all fields of solid earth sciences, has been widely used in numerical experiments in solid earth sciences due to its flexibility and precision, ranging from short-term seismic activity to long-term lithospheric deformation, mantle convec...
ANALYSIS ON DENSIFICATION PROCESS OF CHANG 6 SANDSTONES IN WESTERN ORDOS BASIN
SHEN Chonghui, ZHOU Xiaofeng, GUO Wei
2018, 24(6): 776-784. doi: 10.12090/j.issn.1006-6616.2018.24.06.080
Abstract (415) HTML (157) PDF (21733KB)(9)
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By core physical property, casting slice, scanning electron microscope analysis with energy disperse spectroscopy, the densification process of Chang 6 sandstones in western Ordos Basin was studied quantitatively. The study showed that the initial porosity and permeability of sandstones in the area ...
SHAKING TABLE MODEL TEST ON SEISMIC RESPONSE OF METRO TUNNEL CROSSING GROUND FISSURE SITE
HUANG Qiangbing, GAO Huan, LIU Nina, MA Yujie
2018, 24(6): 785-794. doi: 10.12090/j.issn.1006-6616.2018.24.06.081
Abstract (289) HTML (133) PDF (19425KB)(7)
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Taking Xi'an urban rail transit line 3 crossing the ground fissure site as the targeting project, the shaking table test with a geometrical ratio of 1:30 was designed and completed in order to study the seismic dynamic response of metro tunnel crossing the hanging wall site of the ground fissure und...
A STUDY ON DYNAMIC CHARACTERISTICS OF SANDSHALE ELUVIAL LATERITE AT KUNMING CHANGSHUI INTERNATIONAL AIRPORT
ZHOU Zhiguo, ZHANG Yunyan, FU Bichang, ZHOU Zhibin, LIU Peng
2018, 24(6): 795-802. doi: 10.12090/j.issn.1006-6616.2018.24.06.082
Abstract (245) HTML (99) PDF (6479KB)(8)
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The eluvial laterite of Kunming Changshui International Airport is not only an important land resources in the region, but also the construction foundation for a variety of engineering construction. Due to the cracking characteristics, the laterite is seriously cracked and deformed under the modern ...
IN-SITU SOAKING TEST ON THE DISTURBED LOESS SITE AT LANZHOU METRO, GANSU PROVINCE, CHINA
LIANG Qingguo, FANG Jun, ZHANG Jindong, ZHANG Yanjie, PU Jianjun, WANG Fei
2018, 24(6): 803-812. doi: 10.12090/j.issn.1006-6616.2018.24.06.083
Abstract (265) HTML (97) PDF (12807KB)(9)
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The underlying soil under the engineering construction on the levy and removing sites in cities is quite different from the soil on the sites with primitive landform and strata distributions due to the disturbing influence of loading and reloading caused by long-term water seepage from precipitation...
APPLICATION OF THE RANDOM FIELD METHOD BASED ON FELA IN THE ANALYSIS OF SLOPE EXCAVATION STABILITY CONSIDERING RAINFALL INFILTRATION
WU Zhixuan, YANG Jun, QIU Tianqi, SHEN Zhaopu, LIANG Yufan
2018, 24(6): 813-821. doi: 10.12090/j.issn.1006-6616.2018.24.06.084
Abstract (351) HTML (158) PDF (16253KB)(15)
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Montenegro's Bar-Boljare highway traverses across the flysch area. Rainfall concentration, spatial variability and stratified distribution of geotechnical materials have brought challenges to the slope construction. Common design method such as slice method and finite element method cannot fully con...
SIMPLIFIED CALCULATION METHOD OF SLOPE FRAME BEAM BASED ON WINKLER ASSUMPTION AND ITS ENGINEERING APPLICATION
CHEN Guozhou, WANG Jianchun, LIN Zhiyong
2018, 24(6): 822-827. doi: 10.12090/j.issn.1006-6616.2018.24.06.085
Abstract (438) HTML (216) PDF (3628KB)(18)
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In order to improve the calculation method of the slope frame beam, based on Winkler foundation beam assumption, considering the interaction between the frame beam and the soil mass, the exponential function and trigonometric function are simplified into a unary quadratic function through the method...
A STUDY ON EVALUATION METHOD OF GEOTECHNICAL ENGINEERING ZONE SAFETY DEGREE BASED ON STRAIN SOFTENING
JIANG Annan, ZHENG Shuai, BAI Tao, DUAN Longmei, SHEN Fayi, ZHAO Liang, XUE Huandong
2018, 24(6): 828-835. doi: 10.12090/j.issn.1006-6616.2018.24.06.086
Abstract (198) HTML (86) PDF (17053KB)(11)
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In view of the fact that the problems encountered in the stage of tensile failure, yield and failure stage are not considered in most existing local safety evaluation methods of geotechnical engineering, the local safety evaluation method of surrounding rock has been improved accordingly. The new ev...
A STUDY OF THE INFLUENCE OF RAINFALL ON SLOPE STABILITY ALONG THE TENDENCY OF COAL MEASURE STRATA
LI Hongru, ZHANG Pan, WANG Shenni, ZHAO Huapeng
2018, 24(6): 836-848. doi: 10.12090/j.issn.1006-6616.2018.24.06.087
Abstract (351) HTML (138) PDF (18159KB)(18)
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Coal strata are characterized by uneven soft and hard strata, poor interlaminar cementation, rapid weathering, being easy to soften when exposed to water, loss of strength due to structural damage and so on. In particular, the carbonaceous mudstone or shale in the interlayer has the characteristics ...
THE APPLICATION OF MODIFIED CAM-CLAY MODEL IN DPC PILE-SOIL INTERFACE
HU Hesong, LIAO Xiangying, CHEN Xiaobin
2018, 24(6): 849-854. doi: 10.12090/j.issn.1006-6616.2018.24.06.088
Abstract (267) HTML (195) PDF (7817KB)(3)
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A series of large direct shear tests were carried out for the DPC pile-soil structure layer. Based on the experimental analysis, the critical stress ratio was introduced considering the influence of DPC pile-soil layer grouting, and a modified cam-clay model which can describe the strain softening w...
LIMIT ANALYSIS OF PERMANENT DISPLACEMENT FOR SLOPE CONSIDERING THE TENSILE STRENGTH OF SOIL
LIU Yan, ZHANG Yingbin, HE Yi, XIA Xiao, WANG Xinyu
2018, 24(6): 855-862. doi: 10.12090/j.issn.1006-6616.2018.24.06.089
Abstract (276) HTML (130) PDF (10391KB)(11)
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Through field observation and laboratory experiment, it is found that the stability of the slope is influenced by the existence of tensile stress zone in the back edge of the slope, while the influence is amplified by the existence of seismic load. To analyze the impact of tensile stress zone on the...
CENTRIFUGE MODEL TEST OF SLOPE EXCAVATION AND SUPPORT UNDER RAINFALL
WAN Qi, YUE Xiabing, YAN Qiang, YAN Changgen
2018, 24(6): 863-870. doi: 10.12090/j.issn.1006-6616.2018.24.06.090
Abstract (353) HTML (114) PDF (10070KB)(6)
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In order to study the slope stability and deformation characteristics under rainfall during excavation and operation process, the typical high slope of Liu-Nan highway extension project is chosen as the prototype. Using the geotechnical centrifuge of Chang'an University and independently developed r...
A STUDY ON NONLINEAR CONSTITUTIVE MODEL OF FROZEN SAND CONSIDERING PARTICLE BREAKAGE
LUO Fei, HE Junlin, ZHU Zhanyuan, LV Siqing, QI Yuxuan
2018, 24(6): 871-878. doi: 10.12090/j.issn.1006-6616.2018.24.06.091
Abstract (292) HTML (102) PDF (5124KB)(8)
Abstract:
Particle breakage is a basic phenomenon of granular materials under high stress. In order to study the effect of particle breakage on the stress-strain relationship of frozen sand, the frozen sand is regarded as composite particle material, ignoring the melting of ice, considering the change of inte...
FACE STABILITY OF SHIELD TUNNEL WITH DIFFERENT SUPPORT MODELS IN SAND
WU Jun, LIAO Shaoming, WANG Kun
2018, 24(6): 879-886. doi: 10.12090/j.issn.1006-6616.2018.24.06.092
Abstract (387) HTML (106) PDF (11415KB)(15)
Abstract:
Setting reasonable support pressure for different support model shield tunnel machine is extremely important for the face stability of the shield tunnel. The face stability is discussed respectively when the face is above and under water for the typical distribution of face support in tunneling by c...
Inside Cover
2018, 24(6): 887-887.
Abstract (95) PDF (13994KB)(0)
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Inside Cover
2018, 24(6): 888-888.
Abstract (97) PDF (10390KB)(0)
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Contents
2018, 24(6): 889-896.
Abstract (71) PDF (86KB)(1)
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