... ABSTRACT: A computer simulation of the tunnelling procedure carried out for the new underground railway lines in Madrid is presented in this paper. First the excavation procedure and the details of the construction of the tunnel structure is explained. Then the set of finite elements model...

... of a hydro powerplant. The measurements were made in bore holes by unloading procedure developed at the Institute for Underground Surveying (VNIMI)-strain measurements on the face of a bore hole during drilling of a core sample (Belik, 1958). natural stress state reservoir geomechanics rock massif...

... chemical spill log-normal distribution variability landfill solid waste management quality control hydraulic conductivity procedure specification liner acceptance standard Reservoir Characterization conductivity value water content test result saturation dry unit weight mineral...

... & Gas wave velocity specimen particle motion stiffness application santamarina p-wave velocity wave propagation anisotropy procedure stokoe propagation SEISMIC-WAVE-BASED TESTING IN GEOTECHNICAL ENGINEERING Kenneth H. Stokoe, II1 and J. Carlos Santamarina2 ABSTRACT As the geotechnical...

... on optimization of a series of suitable schemes. Comparison with in-situ measures shows an applicable and efficient procedure. PHASE I STUDY: INFORMATION TECHNOLOGY AND ITS ORGANIZATION Environmental Appraisal for Deep Excavation in Urban Constructions of tall buildings or underground engineering cannot...

... modelling. The numerical procedure adopted (a point estimate method) is briefly described. A finite-element code is used to process the input variables and determine the input parameters for the performance function. The practicability of the suggested procedure is shown by solving an idealized tunnel...

... contamination platform groundwater procedure upper platform oil concentration contamination plume sediment ABSTRACT: This paper presents and discusses the long term performance of a drainage trench at an oil contaminated industrial site in São Paulo State, southeastern Brazil. A large area had...

... the urban area of Hong Figure 2 : Procedures for deriving rainfall intensity/landslide frequency correlation models Kong. This area is divided into 160 number of map cells each having a plan area 1.5km by 1.2km, according to the gridding system used for 1:1 000 scale maps. As described earlier, for each...

... rotational or sliding failure mechanisms are evident. However, in situations where several potential explanations are identified, or where previous remedial work has been undertaken, the determination of the most likely explanation becomes tedious, costly, or both. A transparent diagnostic procedure...

... Artificial Intelligence displacement Excavation Procedure evaluation machine learning function parameter correlation excavation method rock mass ground transportation information excavation Case History procedure rail transportation accuracy prediction application sequential...

... and Fredlund (1993) balanced the number of equations that can be established from physical and mechanical requirements to the number of unknowns involved in these equations. stability analysis dimensional slope stability analysis procedure Chen interface numerical method failure mass assumption...

... ABSTRACT: A numerical model of the excavation works for underground railways using finite element meshes is presented in this paper. To simulate the actual tunnelling procedure several steps of the construction works have been considered in the analysis. Several meshes containing finite...

... Tests were used in the analysis for determining cyclic strength of the soil. SeedÕs Simplified Procedure was employed for evaluation of liquefaction potential. Based on the analysis carried out for different magnitudes of earthquake, it was concluded that the top soil is susceptible to liquefaction due...

... ABSTRACT: The conventional Newmark model is widely used for the estimation of permanent deformations of slopes during earthquakes. However, the calculation procedure for permanent displacements in the Newmark model is based on a distinct and fixed slip surface. In other words, the Newmark...

... for making courseware are based on following rules: content too abstract to be understood without visual picture, calculation too complicated to be calculated in class (taking too long time), procedure of experiment too complex to be followed, experience hard to be obtained in class. From...

... drilling fluid chemistry drilling fluids and materials cation exchange capacity correlation procedure methylene blue value Clay soil SURFACE AREA USING METHYLENE BLUE ADSORPTION AS A MEASURE OF SOIL EXPANSIVITY. Stephen G. Fityus1 David W. Smith2 and Ann M. Jennar.3 ABSTRACT The physical...

... number silt elastic shear modulus University procedure initial liquefaction liquefaction vibration reconstituted specimen DYNAMIC TESTING OF SILT USING BENDER ELEMENT Bo Huang1, Jian-Hua Yin2, Shi-Ming Wu3 and Yun-Min Chen4 ABSTRACT The cyclic strain approach proposed by Yokel et al. (1980...

... to introduce and evaluate the energy concept in defining the liquefaction potential of soils when subjected to dynamic loads. This study deals with the validation of this procedure through centrifuge testing. Dynamic centrifuge tests at a scale of 60 g's were conducted on scaled pore fluid-saturated models...

... Artificial Intelligence shakedown approach traffic load procedure pavement construction materials pavement design shakedown load design chart layered pavement mechanistic-based design method subgrade shakedown analysis layer thickness mechanistic-based design load permanent...

... the construction process without developing excessive punctures. Therefore, there is a need to accurately quantify the puncture resistance of geotextiles. To conduct a field drop test is one way to satisfy this need. A field drop-test employing a standard procedure was completed in Singapore. This procedure uses...