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How to Select Number of Boreholes

Borehole layout is decided based on the area to be covered and the type of the foundation be constructed. In addition, the importance of the structure is also considered in selecting the number of boreholes to be done. For example, when a high rise building is designed, knowing the conditions of the ground preciously is very very important to the designer. Thus, the planning of the borehole layouts is done. Small Projects In low rise buildings, we may plan the number boreholes based on the condition of the ground and cover the whole footprint of the building. For small buildings such as two 2-4 story, constructed in a weak ground, one might select one borehole considering the spread of the structure. Large Projects Buildings such as high rise buildings, it is required to plan the borehole layout properly and accurately to cover the area covered by the structure. The number of boreholes is depended on the area of the structure and based on the condition of the ground pr...
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Testing before Construction

Testing in construction is done in different stages. Preconstruction, during construction and post-construction tests, is done to control the quality and to assure the quality of the construction work. For example, preconstruction tests can be identified as the testing of materials, testing of ground conditions for foundation, etc. Testing of the during construction is a must to assure the quality of construction work. For example, testing of concrete cubs is done to check whether the concrete has achieved the strength. Further, there is a post-construction check such as a test on completion. For example, check the lift after installation for its loads capacity is done as post cost construction testing. Testing in construction is discussed under three main categories in this article. Firstly, it is required to test the condition of the ground for evaluating the types of foundation based on the geotechnical condition of the ground. Secondly, post-construction testing and testing...
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Testing in construction

Learn  Construction Material Testings  Techniques Sieve & Hydrometer Analysis Moisture Content Determination Atterbury Limit (LL, PL, PI, SL) Specific Gravity Bulk Desnsity/Unit weight Swell Index Test Proctor Compaction(Std, Mod) 4 days soaked CBR (Std, Mod) Permeability Test (Constant Head/Falling Head) PH Value, So4-- Content, Cl- Content of Soil/Ground Water Organic content of soil UU Tri Axial Compression Test Unconfined Compression Test Field CBR Test Consolidation Test Aggregate Crushing Value (ACV) 10% Fines Value of Aggregates Aggregate Impact Value (AIV) Los Angeles Abrasion Value (LAAV) Unconfined Compression Test of Rock Specific Gravity and Water Absorption of Aggregates Flakiness Index and Elongation Index Field Density Test Point Load Strength Index of Rocks Non Destructive Hammer Test on Concrete Compressive Strength Tests on Concrete Cubes/Paving Blocks/Hollow Blocks Compressive Strength Test of Clay Bricks
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