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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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Borehole Investigation

Borehole investigation is done by the service provider who is an expert on it. After finalizing the borehole layout, an investigation of the condition of the ground is done. As discussed in the article " How to select number of boreholes ", the number of boreholes are drilled to get the recommendation for foundations. Commonly, the standard penetration method (SPT) is used to find the condition of the ground. It is a method that provides the stiffness of the soil based on the penetration when a constant pressure applied. Based on the SPT values and observations made on the samples taken during the coring, allowable bearing capacity for foundations is provided after doing necessary calculation by taking into account the types of soil layers present and the overburden where the foundations are rested. For deep foundations, drilling the ground up to the fresh rock and coring in the fresh rock are done to check the soil and rock profiles. The depth of the coring in the...
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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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