Shenzhen Investigation and Research Institute CO.

East, China

Shenzhen Investigation and Research Institute CO.

East, China
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Lu Y.,Shenzhen Investigation and Research Institute CO.
Journal of Geomatics | Year: 2010

Based on the design and implementation of Shenzhen land acquisition and resettlement information management system, we propose the overall objective of it and depicted the process of building a functional land acquisition and resettlement information management system.


Xiang W.,Guangzhou University | Jiang P.,Shenzhen Investigation and Research Institute Co. | Zheng X.,Guangzhou University
Applied Mechanics and Materials | Year: 2012

Because of the extremely adverse climate environment and construction conditions, the previous buildings in each South Pole Station in west Antarctica area turned up a series of foundational morbidities. I had been to Antarctica as a member of the 21st Chinese National Antarctic Research Expedition Team in 2004, in charge of a program about building suitability. This paper recommended the geological conditions, the subterraneous temperature field and the emerged foundational morbidity in West Antarctica Peninsula Area, eventually expounded a new foundation measure. © (2012) Trans Tech Publications, Switzerland.


Song J.,Jilin University | Wang Q.,Jilin University | Chen H.-E.,Jilin University | Sun T.,Tianjin Institute of Geotechnical Investigation and Surveying | And 2 more authors.
Jilin Daxue Xuebao (Diqiu Kexue Ban)/Journal of Jilin University (Earth Science Edition) | Year: 2010

The dredger fill foundation is popularly treated by vacuum preloading. But the drain pipes are always clogged by fine particles which cause the construction to be delayed. In order to improve the efficiency of the dredger fill consolidation, a laboratory test was designed to study consolidation law under the comditions of gravitational drainage clogged combined with vacuum preloading method for heavy clay and saliniferous dreder fill. Engineering geology characteristics of heavy clay and saliniferous dredger fill was analyzed. And the small cubic crystals overlapped on the surface of the particles were identified by soluble salts test and X-ray diffraction approach. When the microstructure was studied by scanning electronic microscope(SEM) during the process of consolidation, it was indicated that with the decreased of moisture content in heavy clay and saliniferous dredger fill, the number of halite was running off by water drainage in the process of gravitational drainage stage. So the seepage channels became instability due to the unstable microstructure. Furthermore, particle fractal dimension was taken as the microstructure index to determine the characteristics of the heavy clay and saliniferous dredger fill on the process of consolidation. The results showed that particle fractal dimension was increased by consolidation as the result of the reduction of the number of cubic crystals flowed off by water drainage.


Song F.,Chang'an University | Song F.,Key Laboratory of Highway Construction and Maintenance Technology in Loess Region | Li Y.-L.,Chang'an University | Zhang L.-Y.,The 9th General Team of Airport Construction of China | Zhang K.,Shenzhen Investigation and Research Institute Company Ltd
International Journal of Earth Sciences and Engineering | Year: 2014

As a new type of retaining structure, the geocell flexible retaining wall has a broad application prospect in the road slope protection. In this paper, based on the analysis of the results of centrifugal model tests and numerical simulation, the failure modes for geocell flexible retaining wall under different height-width ratios and soil strengths are investigated. On this basis, mathematical expression of failure modes of geocell flexible retaining wall with different height-width ratios and backfill strengths is formulated and corresponding sliding surfaces are also given. The results of this study can provide theoretical references for the design. © 2014 CAFET-INNOVA TECHNICAL SOCIETY. All rights reserved.


Song F.,Chang'an University | Song F.,Chongqing Jiaotong University | Li Y.-L.,Chang'an University | Zhang K.,Shenzhen Investigation and Research Institute Company Ltd | Zhang L.-Y.,The 9th General Team of Airport Construction of China
International Journal of Earth Sciences and Engineering | Year: 2014

Geocell reinforced retaining walls have been widely used in civil engineering for the protection of slopes. In order to decrease the horizontal deformation and increase the safety factor of the wall, the lengths of geocells in some layers are extended in the backfill to serve as reinforcement. However, the optimum sectional form of the geocell reinforced retaining wall hasn’t been fully studied. In this paper, by employing the geotechnical FEM software Plaxis, the effects of the location and the length of lengthening geocell layers on the mechanical properties of the wall are investigated. Research results indicate that the safety factor of the wall is the biggest when the location of the lengthening geocell layer is about 1/3 of the wall height from the bottom of the wall bottom. If the number of the lengthening geocell layers maintains the same, the safety factor of the wall with the lengthening geocell layers locating at the lower part of the wall is bigger than that of the wall with the geocell bar strips placed at the upper part. Besides, when the length of the lengthening geocell layer equals about the wall height, the safety factor of the wall is the biggest. © 2014 CAFET-INNOVA TECHNICAL SOCIETY.


Song F.,Chongqing Jiaotong University | Chen H.,Chang'an University | Xiao B.,Shenzhen Investigation and Research Institute Company Ltd | Zhang L.-Y.,The 9th General Team of Airport Construction of China
International Journal of Earth Sciences and Engineering | Year: 2014

As a new type of retaining structure, the geocell two-stage retaining wall, has a broad application prospect in the road slope protection. However, its optimum section form has not been systematically investigated. In this paper, the effects of height proportion and the length of the overlapping part of the two stages on the horizontal displacement of the wall back, the size of the sliding wedge and the safety factor are investigated by employing the geotechnical FEM software Plaxis. The research results indicate that, when the proportion of the height of the lower stage in the total height of the wall and the length of the overlapping part of the two stages are small, the horizontal displacement of the wall back is small, the size of the sliding wedge and the safety facor are both large. Based on the analysis of numerical simulation results, the optimum sectional form of the geocell two-stage retaining wall is discussed. © 2014 CAFET-INNOVA TECHNICAL SOCIETY. All rights reserved.


Wang L.,Shenzhen Investigation and Research Institute Co.
Journal of Geomatics | Year: 2013

Metro monitoring has a long cycle, many different types of monitoring, large volumes of data, also involving complex data processing and early-warning analysis. In order to reflect the metro construction safety status promptly and properly,archive visualizable,scientific,information management of metro monitoring, and ensure the metro construction to proceed smoothly, integrated use of several popular compute technology is done, the author demonstrates the design and implementation of metro monitoring information system based on the Google Maps API and PostGIS.


Yu C.-H.,Zhejiang University | Yu C.-H.,Shenzhen Investigation and Research Institute Co. | Li J.-F.,Wuhan University
Yantu Lixue/Rock and Soil Mechanics | Year: 2010

The problems, such as pavement cracking, differential settlement between bridge and roadbed, are the most important matters that engineers must be up against. The simulation of soft ground settlement is one of the difficulties. This coupled simulation of seepage and consolidation mainly uses the improved Cambridge model, depends on the software FLAC3D which is a finite difference software. As an example, the test sections' data of an expressway in the Pearl River Delta is used for simulating soft ground settlement, the accuracy of this modeling can be validated by contrasting between the results and actual monitoring data. The result shows that the simulating numerical values and the measured data has good match, whether for the surface settlement or for the stratified settlement, it means that the simulating model can be used to reflect the soft ground settlement.


Luo F.,Wuhan University | Ai T.,Wuhan University | Zhou Y.,Shenzhen Investigation and Research Institute CO.
2012 International Symposium on Geomatics for Integrated Water Resources Management, GIWRM 2012 | Year: 2012

To meet demands of sea-area management in Shenzhen, a sea-area management system has been developed in this study with COMGIS, workflow, WEB and database technology based on spatial information platform. This paper introduces the architecture, database structure, functional modules of the system and investigates the system's technical characteristics, such as transplantable, multi-scale map representation, administration automation, and multi-source data integration. © 2012 IEEE.


Song X.,Hydrochina Huadong Engineering Corporation | Song X.,Chengdu University of Technology | Shi A.,Hydrochina Huadong Engineering Corporation | Zheng W.,Shenzhen Investigation and Research Institute Co. | Jin R.,Hydrochina Huadong Engineering Corporation
Yanshilixue Yu Gongcheng Xuebao/Chinese Journal of Rock Mechanics and Engineering | Year: 2012

This study focuses on the slope deformation characteristics and mechanism in the left bank of Baihetan hydropower station on the Jinsha River. As the unloading deformation develops with the erosion of the river in geological history, the rock mass on the slope at different elevations and localities has various deformation features. It is very important to study these features. Based on the investigation data, the deformation controlled by the slightly-inclined angle dislocation interfaces as well as the NW fault zone mainly was simulated by the distinct element numerical analysis code UDEC and 3DEC after the development mode of unloading deformation was summarized, The controlling effect of key structureal plane was illustrated during the erosion of the river, proving the geological analyses further. The slope deformation mechanism was analyzed in combination with the geological investigation and numerical calculation results.

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