Nallayarasu,department of ocean engineering,iit madras. To ensure the reliability of the piles foundation that should perform as a unit, the pile caps should be joined with beams or a reinforced concrete slab that could perform in tension and compression. The following list identifies some of the conditions that. The different aspects of foundation engineering ranging from soil exploration to the design of different types of foundation, including the ground improvement measures to be taken for poor soil conditions have been covered in this course. Pile foundations objective in this lecture we will learn about the basics of pile foundation design and the advantages and disadvantages of the main types of pile.
In this manual, a pile foundation will be broadly described as one in which the following is true of the piles. Pdf pile foundations in engineering practice by s prakash. Mod3 lec14 foundation engineering freevideolectures aim to help millions of students across the world acquire knowledge, gain good grades, get jobs. This student guide is intended as just that a guide for students of civil engineering. This report presents the results of a study to assess the. Use it as you see fit, but please note that there is no technical support available to answer any questions about. They are formed by long, slender, columnar elements.
Foundation is an important part of the structure which transfers the load of the structure to the foundation soil. This is commonly used in building foundations with the geographical locations having a very low soil bearing capacity. A pile cap is one of the types of foundation that consist of a thick concrete pad that is usually supported by piles. Force on a pile eq on unloaded pile pile supporting structure. Pile load capacity calculation methods 85 case c is referred to as the alternative procedure in the note to en 19971 7. Heavy structures with large reactions require high capacity piles and small diameter castinsitu piles are inadequate. Several commercially available programs were used to perform the calculations described in this chapter. Instructional materials complementing fema p751, design examples foundation design 3. Construction of bored piles in rock for a new building of swr in stuttgart, germany pasing arcaden, munich, germany. Pile 1 a structural member that is used to transmit surface loads to lower elevations in the soil. Nptel syllabus advanced foundation engineering video course course outline. Characteristic pile resistance from profiles of ground test results part 2 of en 1997 includes the following annexes. Curve 3 represents the case in which piles are positioned in such a way to act as a settlement reducers. Mod01 lec19 pile foundation load carrying capacity iii and.
Your browser does not currently recognize any of the video formats available. Foundation analysis and design 53 journal of geotechnical and geoenvironmental engineering, asce, vol. Explore pile foundation with free download of seminar report and ppt in pdf and doc format. Nptel advanced foundation engineeringi module 8 lectures 29 to 34 pile foundations topics 29. Figure 1 all the above schematics show the various types of pile foundations and loads carried by them04032009 11. Pile foundations are deep foundations used when the site has a weak shallow bearing strata making it necessary to transfer load to a deeper strata either by friction or end bearing principles. Civil engineering advanced foundation engineering nptel. Introduction in previous lectures we have learned about shallow foundations pads, strips and retaining walls. Jun 04, 2017 10 different types of footings used in construction, where to use. Introduction to pile foundations bright hub engineering. Methods for bearing capacity estimation, total and differential settlements of footing and raft, code provisions design of individual footings, strip footing, combined footing, rigid and flexible mat, buoyancy raft.
Pile foundation, a kind of deep foundation, is actually a slender column or long cylinder made of materials such as concrete or steel which are used to support the structure and transfer the load at desired depth either by end bearing or skin friction. Sundaravadivelu,department of ocean engineering,iit madras. Pile foundations detail design and construction practice youtube. The solution deep foundations to support structures bored pile retaining walls for deep excavations. Nptel provides elearning through online web and video courses various streams. A raft foundation is often used when the soil is weak, as it distributes the weight of the building over the entire area of the building, and not over smaller zones like individual footings or at individual points like pile foundations. In an effort to develop reasonable design methods, analytical and experimental studies on piles and pile groups have been performed extensively in the past. Administrators, engineers, and researchers are faced continually with many highway problems on which much information already exists either in documented form or in terms of undocumented experience and practice. It has the advantage of being viable in any type of soil, and is a feasible solution for highrise. Oct 04, 2016 pile foundations are deep foundations which are formed by long slender columnar elements.
Despite the cost, the use of piles often is necessary to ensure structural safety. Advanced foundation engineering video course civil. This course seeks to provide an overview of the essential features of foundation design. Pile foundation is a special kind of deep foundation, where the depth of the foundation is much greater than the width of the foundation. The hammer is placed upon a pile and the weight is raised an operation which may involve the use. Estimation load carrying capacity of single and pile group under various loading conditions. Structure of the guide introduction to pile foundations pile foundation design load on piles. Nptel video subtitles pack srt format nptel video courses pack mp4 format nptel video courses pack pdf format nptel user pack. Raft or mat foundations understand building construction.
In the future pile design is likely to follow the limit state design methods. Examples of pile capacity computations are presented in appendix d. Casagrande b250 piling rig in cfa mode piling rig, piling equipment, piling rigs for sale. Pile foundation design example civil engineering community. Pile foundations are principally used to transfer the loads from super structure, through weak compressible strata or water on to stronger, more compact, less compressible and stiffer.
Pile load tests 15 cantilever footing construction simplex pile construction underreamed pile construction, half bulb cut support by prestressing struts 16 pile driving by hammer impact, vibration driving steel, r. Pile foundation classification of pile foundations. Given the soft and compressible marine clays in the boston area, driven pile foundations were selected to support specific structures, including retaining walls, abutments, roadway slabs, transition structures, and ramps. Pile foundation load carrying capacity iii and settlement calculation. Priti maheshwari department of civil engineering, iit roorkee. Geotechnical engineering ii foundation engineering nptel. Download pile foundations in engineering practice by s prakash and hari d sharma pile foundations have been used since prehistoric time to transfer building loads to appropriate depths. Mod01 lec17 pile foundation load carrying capacity i. The third module is on methods of analysesdealing with limit equilibrium method, limit analysis, method of characteristics and finite element method. Bored pile foundation for the tampa museum of art, usa bottom right.
Foundation for offshore structures usb media storage type. Piles are relevant to both of these lectures because they can be. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. A vertical force of 1200 kn including all the loads on foundation is acting downward at point k. Nptel video lectures, iit video lectures online, nptel. The foundation distributes the load over a large area.
Kousik deb,department of civil engineering,iit kharagpur. In an effort to develop reasonable design methods, analytical and experimental studies on piles and pile groups have been performed extensively in the past four decades. Board cast insitu piling is the most widely used technique where deep foundations are necessary. Pile foundation classification of pile foundations pile. Hammer aka pile driver a mechanical device used to drive piles into soil historical pile hammers includes a heavy weight placed between guides so that it is able to freely slide up and down vertically or inclined. Geotechnical engineering ii foundation engineering video. Before presenting the actual picture of a pile foundation some schematic pictures of pile foundation are presented below. Design of pile in pile foundation part 12 limit state method duration. Nptel syllabus ebook on concepts and techniques in.
For individual pile, the magnitude of negative friction, qnf may be taken as below. Pile foundation seminar report, ppt, pdf for civil. Pile cap serves to transmit the load of the building into the hard strata of the soil via a pile or group of. Characteristic pile resistance from profiles of ground test results part 2. Priti maheshwari, department of civil engineering, iit roorkee. Pile load testing static, dynamic methods and data interpretation, settlement of pile foundation, code provisions, design of single pile and pile groups, and pile caps. Grip pile foundation 3d animation a animation for screwfast foundations to show their grip pile solution in use. The fourth module is on design of shallow foundations discussing the different types of foundations, calculation of bearing capacity, stresses in soil, concept of contact pressure, calculation of settlements and codal provisions. Foundation engineering lecture series on foundation engineering by dr. Today, pile foundation is much more common than any other type of deep foundation. Foundation engineering nptel online videos, courses. Nptel syllabus advanced foundation engineering video. Types of foundation contact pressure distribution below footings and raft isolated and combined footings types and proportioning mat foundation types, applications uses and proportioning floating foundation. Detailed information is presented on pile design principles and criteria.
Pile foundation seminar report, ppt, pdf for civil engineering. Foundations shallow deep isolated combined strap wall. Nptel syllabus ebook on concepts and techniques in geotechnical and foundation engineering web course. Unit iv piles types of piles and their function factors influencing the selection of pile carrying. Nptel advanced foundation engineeringi introduction piles are structural members that are made of steel, concrete, andor timber. Pile foundations applications with buildings and bridges. An underreamed pile is one with an enlarged base or a bulb. Also explore the seminar topics paper on pile foundation with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2015 2016. The loads may be distributed through the soils friction piles or transferred to firm, underlying. Driving piles in grand isle, vulcan hammer 70 foot long class b timber pile in grande isle louisiana. Pile foundations a detail explanation pile foundation in hindi, pile foundation construction, pile foundation nptel, pile. Foundation engineering online course video lectures by iit. Ocean engineering foundation for offshore structures nptel.