2019 Vol. 33, No. 1

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Technology Development and Exploration
Design of Geotechnical Amphibious Survey Platform
Hu Jianping, Li Xiaoji
2019, 33(1): 1-5,13. doi: 10.3969/j.issn.1007-2993.2019.01.001
[Abstract](53) [PDF 1522KB](17) [Cited by] (5)
Abstract:
In the construction of seaports,bridges,wind power and other coastal projects,geotechnical investigations involve tidal flats or intertidal zones.These areas have characters of inundation at high tide,posure at low tide,loose soil and low bearing capacity,so that the survey platform can not be erect...
A Technique and Method for Dealing With Defects of Large Diameter Pile
Zhao Jianhua
2019, 33(1): 6-9. doi: 10.3969/j.issn.1007-2993.2019.01.002
[Abstract](69) [PDF 3888KB](16) [Cited by] (3)
Abstract:
On the basis of a defect pile detected by two different methods before treatment,the property,position and size of the defect are analyzed and determined.According to the severity of the defect,ceutral hole extraction method is innovatively adopted.Concrete defects are treated with special machinery...
Research on Optimization of Treatment of Slopes With Interbreeding of Soft and Hard Rocks
Liu Jinyang, Xu Ce, Huang Wei
2019, 33(1): 10-13. doi: 10.3969/j.issn.1007-2993.2019.01.003
[Abstract](104) [PDF 2129KB](12) [Cited by] (3)
Abstract:
In view of optimization of treatment of slopes with interbreeding of soft and hard rocks,there are problems of scheme preference and objectiveinformation.And based on cosine decision principle,the cosine decision method has been established for optimization of slopes treatment scheme with interbreed...
Key Points for Geotechnical Investigation of Site Formation in Beijing
Li Li, Hou Dongli
2019, 33(1): 14-17,21. doi: 10.3969/j.issn.1007-2993.2019.01.004
[Abstract](72) [PDF 1009KB](11)
Abstract:
Site formation is a new thing,and the relevant codes are extremely limited about site formation engineering,which leads to no basis for site formation investigation.On the basis of engineering investigation of Beijing several site formation projects,through summarizing the geotechnical engineering p...
Typical Problems Analysis of Geotechnical Engineering in an Airport in Southern Xinjiang
An Haitang, Liu Ping
2019, 33(1): 18-21. doi: 10.3969/j.issn.1007-2993.2019.01.005
[Abstract](71) [PDF 817KB](13) [Cited by] (1)
Abstract:
The proposed siteis located in the Aksu area in southern Xinjiang,which is the Kuche River alluvial plain.The terrain is relatively flat.The construction projects include airport runways,terminal buildings,office buildings and ancillary buildings.In addition to conventional drilling during the surve...
Experimental Research
Research on Technique and Experiment of Multi-pipe Synchronous Grouting and Water-blocking in Large Particle Gravel Strata
Ma Qingxun, Luan Jingjing, Zhang Youxiang
2019, 33(1): 22-27. doi: 10.3969/j.issn.1007-2993.2019.01.006
[Abstract](83) [PDF 8061KB](12) [Cited by] (5)
Abstract:
The large influence radius and the high permeability coefficient are the characteristics of large particle gravel strata which holds abundant groundwater.Using the method of precipitation to control the groundwater will cause serious waste of water resources.The sealing curtain techniques are fewly ...
Thermal Response Tests and Suitability Assessment of Vertical Buried Pipe
Tong Xin, Liu Yuan, Yan Bo
2019, 33(1): 28-31. doi: 10.3969/j.issn.1007-2993.2019.01.007
[Abstract](59) [PDF 923KB](13) [Cited by] (2)
Abstract:
Taking the ground source heat pump engineering project in Wuhan as an example,the thermal response tests were carried out of double U type vertical buried pipe using two methods for analysis and comparison,which were constant heatflux method and constant temperature method separately.There were two ...
Experimental Study on the First Layer of Sands in Shijiazhuang City
Duan yongle, Qin yanting, Li nahui
2019, 33(1): 32-35. doi: 10.3969/j.issn.1007-2993.2019.01.008
[Abstract](66) [PDF 783KB](9)
Abstract:
As the bulk material,sand is not easy to take the original sample,take the sample high cost,take the sample difficulty and so on,and lack the relevant laboratory test experience.In this paper,the physical properties and shear strength indexes of sand are studied by water content test,density test,pa...
Laboratory Study on Strength Characteristics of Expansive Mudstone
Wang Tao, Cao Xueshan, Zhang Rongkuan
2019, 33(1): 36-39. doi: 10.3969/j.issn.1007-2993.2019.01.009
[Abstract](75) [PDF 1643KB](8) [Cited by] (3)
Abstract:
The strength variation of expansive mudstone remolded samples was studied by indoor tests after water swelling under different initial states and pressures.The research results show that the cohesion of remolded expansive mudstone increases firstly and then decreases with the raising of moisture con...
The Comprehensive Analysis of the Soil Test Results in Beijing Area
Han Sujun
2019, 33(1): 40-45,48. doi: 10.3969/j.issn.1007-2993.2019.01.010
[Abstract](75) [PDF 1716KB](19) [Cited by] (4)
Abstract:
Through the comprehensive analysis of the physical indexes and the mechanical indexes used in the soil test results of all kinds of soils in Beijing area,some relationship diagrams are drawn between the indexes of physical property and the indexes of mechanical property based on the data statistics,...
Analysis of Building Foundation Detection Technology and Method
Huang Dongliang
2019, 33(1): 46-48. doi: 10.3969/j.issn.1007-2993.2019.01.011
[Abstract](62) [PDF 640KB](13) [Cited by] (3)
Abstract:
In this paper,the detection of building foundation is taken as the research object,starting from the analysis of foundation and its detection meaning,and the analysis of foundation detection technology,more detailed analysis and elaboration are carried out around this central issue,and the important...
Deep Foundation Pit Technology
Frost Heaving Deformation Numerical Analysis of Deep Foundation Pit Support System
Li Chuang, Liu Xiaobing, Liu Wenjie, Liang Wen
2019, 33(1): 49-54. doi: 10.3969/j.issn.1007-2993.2019.01.012
[Abstract](64) [PDF 1227KB](10) [Cited by] (12)
Abstract:
The foundation pit works may experience winter in the seasonal frozen soil area,and its supporting structure will be affected by the frost heaving of the soil.In this paper,the deformation problem is studied of deep foundation pit supporting structure caused by soil frost heave.Firstly,based on the ...
Analysis on the Model of Double-row Piles for Deep Excavation
Wang Jie, Han Lei, Xu Yunfeng
2019, 33(1): 55-58. doi: 10.3969/j.issn.1007-2993.2019.01.013
[Abstract](81) [PDF 740KB](17) [Cited by] (9)
Abstract:
An improved calculation model of double-row piles is submitted.Based on the case of “Excavation Engineering Handbook”,the rationality of theimproved calculation model was verified by compared with the 2D finite element model.The behavior of double-row piles is also analyzed.Through further parameter...
Design and Practice of Foundation Pit Engineering in a Contaminated Site in Shanghai
Liu Yunzhong
2019, 33(1): 59-62. doi: 10.3969/j.issn.1007-2993.2019.01.014
[Abstract](81) [PDF 935KB](20) [Cited by] (1)
Abstract:
The restoration of contaminated soil assisted the site excavation is netded by a chernieou contaminated site in a planned development area in shanghai.According to the spatial distribution characteristics of pollution sites,the surrounding environment and the volatility of pollutants,Through the rat...

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