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Online since: June 2014
Authors: Ling Bin Yang, Ning Wang, Chun Chen
With the assistance of professional ARCGIS, it can be easily to track the data and complete the 3D analysis and surface analysis of the typical complex mountainous terrain.
Table 1 The restrictions of alternative location Alternative Conditions Group 1(Figure 2 Green Points,Four Signal Tower) Group 2(Figure 3 Green Points ,Three Signal Tower ) Traffic Traffic is good Close to the road and rail Poor traffic conditions For increase the range of radiation transport,one point built in the no traffic peak Geology and waterlines The soil on the sides of the road all soft for construction, but close to the river,easy to interference Most chose Peak, relatively poor geological conditions and away from water,but maintain a good signal Supply situation of power facilities Strong power supply Poor power supply,because one point built on peak Visual field analysis and optimization Major factors of impede the base station source coverage is the mountain shelter, so use restrictions in the previous text to select the station site and the mountain surface elevation model as a benchmark to visibility analysis.This is an optimal adjustment method for station
Fig.5 Thematic maps of siting outcomes Conclusions This paper presents the problem of complex mountain base construction,considering the geology, hydrology, transportation, electricity transportation and using GIS to complete the base station’s siting and optimization in complex mountainous.Due to the limited of professional standards and the richness of the data sources, only discussed a typical plan.But reflects scientific and convenience of GIS in base station siting, and highlights the advantages and important of GIS.
Online since: January 2014
Authors: Hua Jiang, Yi Fan Jia, Yun Dong Peng
The design and construction of the stiffening steel truss bridge is a complex and large-scale professional program.
Especially for decision makers, they don't have the ability to read professional drawings and lack spatial imagination ability for the designed project.
Zhengzhou: Steel Structure and Engineering Research Institute of North China Institute of Water Conservancy and Hydroelectric Power, 2008
Journal of North China Institute of Water Conservancy and Hydroelectric Power, 2010, 31(1): 37-40
R&D and Application of Logical Product Models [C]//Forefront of Water Conservancy Science and Technology in the New Century, Tianjin University Press. 2005.
Online since: February 2011
Authors: Hao Jie Sun, Xue Gang Chen
Moreover, water and mountain, water and living things, water and climate and water and building can combine to form amazing and tasteful tourism attractions, and this is where the attraction of lake lies in[2].
Besides, the legend of water monster makes it more mysterious and charming.
Rich in water and grass, Sayram Lakeside is a fine grazing land.
The rapid development of lake scenic resorts needs professional personnel who are good at operation and management.
Second, the medium- and high-level managerial personnel and professional and technical personnel are badly needed, which can not meet tourism development and transformation of tour consumption demand.
Online since: November 2014
Authors: Yang Chen, Chan Tao
On this basis, the GIS analysis, master status of urban green fields environment from a macro perspective, combined with professional criteria assessed the current level of environmental compliance, and the use of spatial analysis model put forward corresponding improvement program, the completion target environmental planning.
Use Remote Sensing Technology to Investigate the Status of Urban Green Fields In order to accurately extract and display the spatial properties of urban green fields and to achieve graphic office automation, RS and GIS can be applied to new technologies such as green realize Survey, using the latest aerial photos or satellite images taken by the tone painted outside the industry, transfer standard, digitization of special content farmland green, public green fields, housing construction area and the amount of water, etc. count statistics.
Photograph using remote sensing area of green fields planning, water, housing construction and urban areas, such as full-field boundary tone paint, painted the transfer of information with the appropriate symbol plotted on a painted piece tune, use the industry standard for transfer.
Using GIS technology professionals census data collation, input and meta-analysis, to provide technical support for the preparation of green fields system planning
In order to improve efficiency, you can use an professional image processing software such as ERDAS, ENVI remote sensing and other orthophotos were corrected interpretation interpretation, thematic information extraction greenery.
Online since: March 2013
Authors: Zhi Neng Tong
Supervision depth limited, unilateral content Supervision originates from social division result, owners of construction of large projects, they can have adequate human and intellectual ability, then with the help of professional supervision mechanism.
In fact, internationally referred construction supervision ( or consulting engineers ) is a multi-disciplinary, multi-professional constitute the technology intensive organization, for the project to provide professional services.
The supervision personnel not only have rich professional knowledge, but also should have the economic, management, legal and engineering design knowledge, but also have a certain organization and coordination ability comprehensive talent requirement far apart, making it difficult for supervision enterprises into real high intelligence, knowledge intensive enterprise.
" Abide by the law, integrity, justice, science " is the code of conduct of inspect grain industry, supervision enterprises should not only improve the professional quality, but also improve the occupation moral quality, strengthen self-discipline management, make inspect manage personnel really do justice, work independently.
Reference [1] Zhenping Liu Introduction to project construction supervision China Building Industry Press In 1999 [2] Yuemei Wang Discussion on the problems of project supervision Construction engineering supervision [J] 2003(2) [3] Zhengang Gong The current main problems in engineering supervision Water supply and drainage [J] 2003(29.4)
Online since: October 2014
Authors: Xun Zhong Zhang, Ru Heng Wang, Bin Jia
Initial modulus of deformation Ei of soil sample with 17.4% water content is more than that of soil sample with 14.7% water content and soil sample with 19.2% water content.
Tangent modulus of deformation Et of soil sample with 17.4% water content is less than that of soil sample with 14.7% water content and soil sample with 19.2% water content.
They rose significantly with the increase of water content when water content of silt is low.
[2] The Professional Standards Compilation Group of People’s Republic of China.
Beijing: China Water Power Press, 1999
Online since: September 2013
Authors: Guo Xin Zhang, Yi Liu, Song Hui Li
Research on the Concrete Structure Deformation Properties of Xiangjiaba Ship Lift Tower Songhui Li guo-xin Zhang Yi Liu (China Institute of Water Resources and Hydropower Research, Beijing 100038) Key word: Ship lift, Tower, Load, Deformation, Fitness Abstract: The passing dam building of Xiangjiaba water conservancy project adopts gear-rack climbing vertical structure.
The maximum value of relative displacement in the cross direction is 22.08mm and the conditions are balancing weight + permanent load + right wind + water level of 291.4.
The maximum vertical direction displacement value is 2.19mm under the conditions of balance weight + permanent load + left wind + water 277.5 + winter sunlight, occurring at 380m.
Conclusion Ship lift hydraulic structures are relatively complex, so whether the overall structural design is reliable and its operation is safe or not is a top concern of design, construction and management professionals.This paper takes Xiangjiaba’s ship lift as its research object to testify the deformational coordination of nut column, rack, and vertical guide from the prospective of deformation.
China Institute of Water Resources and Hydropower Research, Beijing, 2011 [2] Niu Xin-qiang, key technology research on the structure of Three Gorges Shiplift [D].
Online since: May 2014
Authors: Lian Long Wang
Some suggestions have been raised up such as optimize the tourism energy utilization, construct and promote low-carbon tourism demonstration areas, make environmental education to the tourists through various means and low carbon tourism professional knowledge training to the employees, arouse the enthusiasm of residents to participate in low carbon travel, improve the system of norms and strengthen management, and so on.
Because of bad spending habits, tourists do not pay attention to saving the tourism production such as water, electricity, warm, most wasteful.
In Qinhuangdao many tourist guides lack the necessary professional knowledge and skills, such as commentaries general lacking of scientific connotation, unknown of scenic landscape, animal and plant distribution, can't play the role of science commentator.
Make environmental education to the tourists through various means and low carbon tourism professional knowledge training to the employees.
Online since: October 2013
Authors: Qi Ge, He Wu, Jing Bo Tian
Experiment design The freezing point of brine is lower than water’s, so the brine and water for two soil layers were used, one is brine, the other is water, to make the special specimens.
The basic parameters of the soil Basic parameters Natural water content Maximum dry density Optimum water content(w) Data 3.4% 1.65g/cm3 21.0% The simulated specimens with mold on the basis of determination the optimum water content of slope soil were made.
The water content in certain depth is definite value, the deterioration model of shear strength parameters c and φ with increase of F-T cycle times is established with the downward trend of parameters c and φ
China Irrigation Work And Water Electricity Publication Company, Beijing
The 9th Intentional Conference of Chinese Transportation Professionals
Online since: September 2014
Authors: Hong Li Wang
It is a special application of water source heat pump air conditioning system, which is generally composed of many parallel water source heat pump air conditioning units and double tube water loop system.
All water loop heat pump units in the building are connected by double pipe water loop to constitute a closed loop.
The hot water of WLHPS is constituted by steam boiler, steam - water heat exchanger, water - water heat exchanger, hot water circulating pumps, constant pressure device.
(open system is easy to cause water pollution, needs the board in the cooling tower water cycle and water cycle system isolation, and need to increase a set of pump).
References [1] China Academy of Building Research, China Construction Industry Association Professional Committee of saving.
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