Research Paper on Analysis of Screw Piles
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Added on 2020-05-08
Research Paper on Analysis of Screw Piles
Added on 2020-05-08
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Analysis of Screw Piles 1ANALYSIS OF SCREW PILESAn Analysis Paper on Screw Piles ByStudent’s NameName of the ProfessorInstitutional AffiliationCity/StateYear/Month/Day
Analysis of Screw Piles 2INTRODUCTIONThis research paper focuses on the analysis of axially loaded screw piles. The first sectionof screw piles analysis is the background information of the crew piles, then the introduction of the screw piles and then the historical perspectives of the screw piles and their implications. The methods of designing screw piles include bearing capacity, cylindrical shear model, and axial capacity methods. The axial piles that are vertically loaded in tension and compression in both cohesionless soils and cohesion form the primary of the analysis of the screw piles. Figure 1: Screw Pile Elements[CITATION MAh16 \p 187 \l 1033 ]The traditional piles differ from the screw piles since the screw piles are made of steel of high strength composed of helices that are fixed on the shaft at a definite spacing and possess a toe that is pointy to enable enhanced installation into the surface. The crew piles were originally utilized in anchoring and therefore were located at the centre around loads of tensile force like buried pipelines and transmission towers. The crew piles provide tensile structural resistance, lateral forces, and compression. The context surrounding the use of crew piles as structure’s foundation has involved numerous trends.
Analysis of Screw Piles 3The disadvantages and advantages of crew piles are critical in the determination of the conditions under which they are most suitable and important compared to other customary methods of piling. Some of the advantages of crew piles include ease in installation, reusability, removability, suitable for regions with restricted access, and quick installation where loaded can follow soon. Despite the advantages above, the screw piles are faced with numerous disadvantages such as the assertion of disadvantageous conditions of the soil for the screw piles like boulders, bedrocks, and rocky soils. However, these drawbacks can be mitigated by the use of surface with a sharp toe when rocks that are weak are met to improve the rock passage.The process of installation of the crew piles is understood to have an effect of the design. The normal procedure entails advancing the screw piles into the soil through the use of motor of hydraulic torque which consequences in the penetration of the helices in the soil through rotations by the application of a moment of turning at the head of the shaft. When the pitch of every helix is similar, this enables further installations since every succeeding helix follows the similar trail as the one previously. The installation of crew piles entails torque application and also the downward pressure application which is commonly known as the crowd.Numerous methods of design related to the crew piles have been researched on and the majority have proved to be successful. These design methods include the relationship between the bearing capacity and the torque of installation, the method of individual bearing, and method of cylindrical shear. The method of cylindrical shear enables for the approximation of the screw pile’s axial capabilities. The common properties and parameters utilized in the determination of the bearing capabilities include the following [CITATION NPK12 \p 174 \l 1033 ]
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