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Lecture

Geotechnical Works: Static Loading Test and Pile Foundations

Description

This lecture covers geotechnical works, focusing on the conduct of static loading tests according to SIA 267/1, failure mechanisms, estimation by threshing formulas, pile groups, verification, and control. It also discusses negative friction, bearing capacity verification, and the influence of uncertainties in pile design. The presentation delves into the dynamic soil reaction, the Dutch formula, and the principles of pile foundations. Various methods for estimating bearing capacity and settlement of piles are explored, along with the factors affecting the durability and stability of pile structures.

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Related concepts (32)

Deep foundation

A deep foundation is a type of foundation that transfers building loads to the earth farther down from the surface than a shallow foundation does to a subsurface layer or a range of depths. A pile or piling is a vertical structural element of a deep foundation, driven or drilled deep into the ground at the building site. There are many reasons that a geotechnical engineer would recommend a deep foundation over a shallow foundation, such as for a skyscraper.

Rolling-element bearing

In mechanical engineering, a rolling-element bearing, also known as a rolling bearing, is a bearing which carries a load by placing rolling elements (such as balls or rollers) between two concentric, grooved rings called races. The relative motion of the races causes the rolling elements to roll with very little rolling resistance and with little sliding. One of the earliest and best-known rolling-element bearings are sets of logs laid on the ground with a large stone block on top.

Bearing (mechanical)

A bearing is a machine element that constrains relative motion to only the desired motion and reduces friction between moving parts. The design of the bearing may, for example, provide for free linear movement of the moving part or for free rotation around a fixed axis; or, it may prevent a motion by controlling the vectors of normal forces that bear on the moving parts. Most bearings facilitate the desired motion by minimizing friction.

Thrust bearing

A thrust bearing is a particular type of rotary bearing. Like other bearings they permanently rotate between parts, but they are designed to support a predominantly axial load. Thrust bearings come in several varieties. Thrust ball bearings, composed of bearing balls supported in a ring, can be used in low thrust applications where there is little axial load. Cylindrical thrust roller bearings consist of small cylindrical rollers arranged flat with their axes pointing to the axis of the bearing.

Foundation (engineering)

In engineering, a foundation is the element of a structure which connects it to the ground or more rarely, water,(like with floating structures) transferring loads from the structure to the ground. Foundations are generally considered either shallow or deep. Foundation engineering is the application of soil mechanics and rock mechanics (geotechnical engineering) in the design of foundation elements of structures.

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Shallow Foundation - Undrained Conditions - Bearing Capacity

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Axial Bearing Capacity of a Pile