Study On Main Factors Affecting Bearing Capacity Of Bored Pile And Construction Method

During the period of the 13th Five-Year Plan,the state’s investment in infrastructure has been unprecedentedly high,mainly for the construction and reconstruction of expressways,Grade 1 highways,secondary roads and "village roads".The construction of high-speed railway and ordinary railway;The improvement of water conservancy facilities and the construction of rail transit and urban corridor projects in major cities across the country.The old pile foundation,as one of the most important forms of deep foundation so far,will undoubtedly be more widely used in the construction of future highways,highways,bridges and water conservancy dams because of its unparalleled performance.This paper mainly studies the main influencing factors,the hole forming technology and the concrete engineering application which affect the vertical stress state of the pile.Began to introduce the main pile with the advance of human civilization,pile technology is also accompanied by historical development and stride forward.Then the introduction of the pile in its own development,with the progress of society,pile classification also will be more and more,and then discuss its vertical force of the main factors.Finally,the basic hole forming principle,the scope of application,the advantages and disadvantages of each pouring pile and the choice of piling machinery and equipment are introduced.Finally,combined with the specific engineering case,the theoretical knowledge and professional practice combined to elaborate the choice of construction program,the scene a lot of management measures and civilized operations,environmental protection measures.Bored pile is due to excellent seismic performance,environmental protection,low noise during operation and many other advantages,the use of the scope of the time will be more and more widely promoted.