Inverted Arch Foundation Inverted Arch Footing/Foundation is used to be provided for multi-storeyed buildings in olden times. However, with the advent of reinforced cement concrete construction practice, inverted arch foooting is rarely done these days. One of the drawbacks in th...
Read More
Tagged As: Footings, Foundation
Wall Footings Wall Footings consists of several courses of bricks, the lowest course being usually twice the breadth of the wall above. The increased base width of the wall is achieved by providing 5 cm (½ brick length) offsets on either side of the wall. The depth of each cours...
Read More
Tagged As: Footings, Foundation
Some of the methods to improve bearing capacity of soils: Increasing the depth of the footing is the simplest method of improve the bearing capacity of soil, This method is restricted to sites where the sub-soil water level is much below and deep excavations do not increase the c...
Read More
Tagged As: Footings, Foundation, Site Exploration, Soil Exploration
Penetration Test Method - Standard Split Spoon Sampler The equipment used for this test may be a standard split spoon sampler, a cone or other specially shaped tool. The test consists of measuring the resistance offered by the soil to the penetration of the test-tool under ...
Read More
Tagged As: Footings, Foundation, Site Exploration, Soil Exploration
Plate Load Test Plate Load Test is a field test for determining the ultimate bearing capacity of soil and the likely settlement under a given load. The Plate Load Test basically consists of loading a steel plate placed at the foundation level and recording the settlements corres...
Read More
Tagged As: Footings, Foundation
Bearing Capacity of Soils The bearing capacity of soils is perhaps the most important of all the topics in soil engineering. Soils behave in a complex manner when loaded so, it is important to know the bearing capacity of soils. Soil when stressed due to loading, tend to deform. ...
Read More
Tagged As: Footings, Foundation
Depth and Spacing of Trial Pits or Bore Holes The location and the spacing of trial pits or bore holes for a particular site require special consideration. The pits or the bore holes should be so located so as to give adequate information in respect of changes in properties of th...
Read More
Tagged As: Footings, Foundation, Site Exploration, Soil Exploration
Boring - Types of Boring The types of boring methods commonly adopted for soil exploration are as under :- (a) Auger boring (b) Shell and Auger boring (c) Wash boring (d) Percussion boring (e) Rotary boring (a) Auger boring: The examination of the sub-soil conditions for si...
Read More
Tagged As: Footings, Foundation, Site Exploration, Soil Exploration
Subsurface Soundings The method of subsurface soundings consists of measuring the variation in the resistance offered by the soil with the depth by means of a tool known as penetrometer. The penetrometer may consist of a 50 mm diameter mild steel cone fitted loosely to a steel ro...
Read More
Tagged As: Footings, Foundation, Site Exploration
Test Pits The commonly used method to find the nature of the subsoil strata is to dig a hole and see. The holes which are large enough to permit the entry of persons for inspection are called ‘Test Pits’. The pits are normally square in plane and are dug by hand or by excavat...
Read More
Tagged As: Footings, Foundation, Site Exploration, Soil Exploration
