地质工程专业地下水英语翻译(论文资料).doc
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1、专业英语姓 名: 专 业:地质工程班 级:学 号:Engineering geological investigation of the hydrogeologicalPapers Category:Science Papers - Geology PapersPapers TAG:Engine Abstract: The hydro-geological survey and research in Engineering has a very important position, this paper describes engineering geological evaluation
2、 of the content of hydro-geological exploration, soil hydraulic properties, groundwater hazards caused by issues such as geotechnical engineering. Keywords: engineering investigation, hydrogeological, geotechnical, hazardous An engineering geological investigation in the evaluation of the content of
3、 hydrogeological In engineering exploration, evaluation of hydrogeological problems should primarily consider the following: 1.1 The evaluation should focus on rock and soil and groundwater on the role and impact of buildings, predict possible geotechnical hazards, proposed control measures. 1.2 Eng
4、ineering Investigation should also be closely based on the type of building foundation needs to identify issues related to hydrogeology, to provide the necessary hydrogeological data selection. 1.3 from an engineering perspective, according to the role of groundwater and the impact of the project pr
5、oposed under different conditions, the evaluation should be focused on geological problems, such as: buried in the ground water level on the basis of the following buildings in the water on the concrete and the corrosion of rebar in concrete. The selection of soft rock, weathered rock, residual soil
6、, expansive soil and other rock and soil bearing layer as a basis for the construction site, should focus on the evaluation of the activities of the rock and soil water potential softening, disintegration, expansion and contraction, etc. effect. In the range of memory compression layer of foundation
7、 in loose saturated fine sand, silt on, should have potential erosion forecast, quicksand, the possibility of piping. When the basis of the lower confined aquifer exists, excavation should pressure water washed away after the pit floor to calculate and evaluate the possibility. excavation pit in the
8、 ground water level the following should be carried out infiltration and water-rich test, and evaluation of the artificial precipitation caused soil settlement, slope instability and thus the possibility of stability of surrounding buildings. 2 soil hydraulic properties Soil hydraulic properties is
9、the interaction between rock and groundwater who displayed a variety of nature. Soil hydraulic properties and physical properties of rock are rock: rock and soil hydraulic properties affects not only the strength and deformation of rock and some nature has a direct impact on the stability of the bui
10、lding. In the past the investigation of physical and mechanical properties of the soil test more emphasis on the geotechnical properties of the water management has been neglected, and therefore the evaluation of the geotechnical engineering geology is not comprehensive enough. geotechnical soil wat
11、er and groundwater management is the nature of the nature of the interaction shown, first of all introduce the following form and occurrence of groundwater on soil hydraulic properties, and then a few of geotechnical important water management research and testing methods of the nature and brief. 2.
12、1 Occurrence in the form of groundwater: groundwater according to their occurrence in the rock can be divided into bound water, capillary water and gravity water three, which combined with water can be divided into strong and weak bound water bound water two. 2.2 The major soil hydraulic properties
13、and test methods: softening refers to the rock mass after immersion in water, characteristics of the mechanical strength decreases, the general said with the softening coefficient, which is to determine the rock resistance to weathering, resistance to flooding capacity indicators. There is easy in t
14、he rock layers to soften rocks, in the role of groundwater will often form soft interlayer. all kinds of causes of viscous upper mudstone, shale, argillaceous sandstone Dengjun widespread softening property. permeable, is water under gravity, ground to allow water through their own performance. loos
15、e rock particles became smaller, more uniform, its permeability will be weaker. hard rock fissures or karst more development, the stronger its permeability. permeable permeability coefficient of generally available, said upper body rock permeability coefficient of struck by pumping tests. disintegra
16、tion, is soaking wet rocks, due to soil particles connections are weakened, damaged, open to soil collapse and disintegration properties. to the water, is fed by gravity from the pore water, soil, fracture properties of the water must flow freely to the degree that water. water level is several impo
17、rtant aquifer hydrogeologic parameters also affect the venue sparse time. water level usually determined by laboratory. expansion and shrinkage, refers to rock After the volume of soil water increases, water loss volume was reduced after the characteristics of the sizing of rock is due to thickening
18、 of the particle surface adsorbed water absorbent, water loss due to thinning. 3 geotechnical hazards caused by groundwater Geotechnical hazards caused by groundwater, mainly due to changes in groundwater level and ground lift effect of the hydrodynamic pressure caused by two reasons. 3.1 Groundwate
19、r level change caused by the geotechnical hazards. Groundwater level changes can be caused by natural factors or human factors, but for whatever reason, when the groundwater level changes up to a certain extent, will cause harm to the geotechnical engineering, groundwater level changes cause harm ca
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