Soil – The Constructor

How to Evaluate Liquefaction Potential of Soils in the Field?

Madeh Izat Hamakareem — Tue, 18 Aug 2020 08:02:53 +0000

The evaluation of the liquefaction potential of soils in seismic-prone region is essential for site selection, planning, and construction of structures. One can assess liquefaction potential through standard blasting tests, ground response analysis, laboratory tests, and expertise. The use of laboratory tests is not desirable due to difficulties in taking undisturbed samples and reconsolidation processes. […]

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How to Conduct Weight Sounding Test?

Madeh Izat Hamakareem — Wed, 22 Jul 2020 12:28:19 +0000

Weight sounding test is a form of penetration test conducted at construction sites to assess liquefaction susceptibility, soil profiling, determination of the bearing capacity of shallow and deep foundations, etc. The test consists of two stages, namely, static penetration and rotational penetration, and yields quicker results when conducted through an electrical machine instead of a manual tool. […]

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What is Dynamic Cone Penetrometer(DCP)? [PDF]

constructororghq — Tue, 05 May 2020 17:54:51 +0000

Dynamic Cone Penetrometer, or DCP, is a tool used for evaluating the strength of soils on site. It also helps with monitoring the condition of granular layers and subgrade soils in pavement sections over time. It can be used to determine the right solutions for the sites, especially when soft soils are involved. It is […]

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Determination of Dry Density of Soil by Water Displacement Method

Madeh Izat Hamakareem — Sun, 22 Dec 2019 18:29:00 +0000

Water displacement test method is used to determine the dry density of soil. It is suitable for evaluating in-place dry density of cohesive soil due to the nature of specimen required. The soil sample should be trimmed to obtain a regular shape and then coated it to make it impervious to water. After that, the […]

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Determination of In-situ Soil Dry Density by Sand Replacement Method

Madeh Izat Hamakareem — Wed, 04 Dec 2019 21:23:00 +0000

The sand replacement test method is used to determine in situ dry density of soil. The procedures, materials, equipment, and specifications of this test is based on the Indian Standard (IS 2720 part 28). This test is of significant importance and it has been widely used in various construction project sites. The field density of […]

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What are the Bearing Capacity Values of Different Soils?

Sadanandam Anupoju — Tue, 10 Sep 2019 13:52:46 +0000

The capacity of the soil to allow the loads coming from the foundation is called bearing capacity of the soil. The gross pressure at the base of the foundation at which soil fails is called ultimate bearing capacity. By considering different failure conditions, the ultimate bearing capacity is divided by certain factor of safety and […]

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Variable Head Permeability Test of Soil- Purpose, and Procedures

Madeh Izat Hamakareem — Sat, 07 Sep 2019 14:50:06 +0000

Variable head permeability test is one of several techniques by which the permeability of soil is determined. It is used to evaluate the permeability of fairly less previous soil. Permeability is the measure of the ability of soil to allow water to flow its pores or voids. Permeability is one of the most crucial soil […]

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Quicksand Condition – Occurrence Mechanism and Preventive Measures

Madeh Izat Hamakareem — Sat, 22 Jun 2019 14:03:56 +0000

Quicksand condition is the floatation of particles of cohesionless soil, like fine gravel and sand, due to vertical upward seepage flow. As sand boiling occurs, the bearing capacity and shear strength of the cohesionless soil decrease and the agitations of soil particles become apparent. Quicksand condition is not a type of soil but a flow […]

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