What is the procedure for Rock Core Drilling?

Q: Find the Rock Quality Designation of drilled rocks upon coring. Give the remarks on the quality of…

A: RQD means Rock quality designation . It was introduced by Deere in 1964 Rock pieces less than 10 cm…

Q: Explain the assumptions used in determining rock failures. (

A: The study of rock Failure deals with behavior of material of earth's crust when subjected to static…

Q: Explain the various method of advancing boreholes ?

A: Solution: The boring methods are used for exploring at great depths where the direct methods fails…

Q: What are the typical rock sockets for drilled shaft construction in rock?

A: The drilling of solid rock for the shaft insertion is required heavy and tools are required. Mainly…

Q: Define Drilled shafts

A: Solution: Drilled shafts are the elements formed by creating a drilled hole into which structural…

Q: What is capillarity in parallel plates? What are the uses of it and how does it work?

A: When the distance between the plates is very small and plates are immersed in liquid, the liquid may…

Q: What type of machine is used in a quarry to cut rock into manageable sizes?

A: Majority of the stones used in construction industry are produced by cutting large blocks of rocks…

Q: How does the vane-shear tests can be performed in borings?

A: Vane shear test is essentially a quick test performed either in laboratory or in the field. This…

Q: Room and Pillar Mining method

A: Room and piller method- Room and mining system in which the mined material is extracted across a…

Q: Discuss the Long-wall Mining and Short-wall Mining Methods with Reference to Strata Control.

A: Long wall Mining: Mine development in the longwall mining process is done in such a way that big…

Q: What are the methods used to dry the excavation?

A: Drying the excavation provides greater stability and strength. In addition to this, it also provides…

Q: Define the function of drilling fluid in rotary drilling in site investigation?

A: Rotary drilling is a method which is used to drill big holes. This method of drilling involves…

Q: What is the disadvantage of deep drilling?

A: Deep drilling are performed in offshore works to extract the oil inside the earth crust.

Q: Define difference between direct circulation drilling and reverse circulation drilling?

A: Direct Circulation drilling Generally used for the construction of small and medium diameter wells,…

Q: What does the drilling of a soil boring consists of?

A: The soil borings are used for investigation of subsurface conditions involving sample collection,…

Q: tis the volume in bbls for an onen bole of 5000 ft drilled with a 16" drilline hit?

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Q: To calculate a rock quality designation (RQD), the valid length of pieces has to be greater than or…

A: Rock quality designation is defined as ratio  of length of core piece greater than 4 inches to the…

Q: Question 4 Identify the borehole technique that advances drilling into rock formation Hollow stem…

A: Rotary wash technique is similar to rotary drilling method is best suitable for drilling operations…

Q: Explain the difference between Standard Penetration Test & Cone Penetration Test ?

A: Penetration test is used for foundation design purposes. It is used to determine relative density,…

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Q: A geotechnical laboratory reported these results of five samples taken from a single boring.…

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Q: is a specialized form of rock excavation that has traditionally been accomplished by drilling and…

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Q: Give the functions of float collar and float shoe in drilling engineering?

A: Float collar is a part near the bottom of casting string which catches the top and bottom plug…

Q: Why is the initial drilling phase (surface section) critical?

A: The hole  made by rotary cutting tool is known as drilling. It is used for drilling foundation holes…

Q: What is required penetration in setting test?

A: a)  the penetration considered in the setting time test is 33 to 35 mm from the top of the mould  b)…

Q: In soil borings, what is the standard penetration test?

A: The standard penetration test is an in situ test that falls under the penetrometer test category.

Q: what are the standard procedures in operating a drilling machine?

A: Drilling machine :  a machine that drills, reams, counterbores, and taps holes, particularly: a…

Q: List THREE information that could be obtained from the boring operation

A: Boring operation could provide following three information's on the subsurface conditions: 1. Grain…

Q: What are the primary sources of uncertainty in heave analyses?

A: Primary sources of uncertainity in heave analysis: Sometimes foundation moves upward instead of…

Q: Explain when in the field static cone penetration test is applied  ?

A: Introduction : The geotechnical qualities of soils are determined using a cone penetration test. The…

Q: Describe the basic procedure of rotary drilling method and analyze its character.

A: Procedure: Rotary drilling entails penetrating into the Earth's surface with a sharp, spinning power…

Q: Define the procedure of Rotary drilling ?

A: Rotary:-  rotating like a wheel on an axis. taking place in a rotational motion about an axis.…

Q: How are pacer mining, hydraulic mining, and hard-rock mining different?

A: Brief concept- Pacer mining, hydraulic mining, and hard-rock mining are different forms of mining.…

Q: To assist in picturing and understanding underground conditions existing at a site, it has become…

A: Geo-technical investigation or soil exploration: It includes investigations and data includes…

Q: For a three-storey structure with a dimension of 6m x 10m, what is the required number of boreholes?

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Q: State the procedure of Percussion drilling ? Define the importance of Percussion drilling ?

A: Steel casing tubes are used in the drilling technique known as percussion drilling to prevent the…

Q: Discuss the following 1- The required properties of geological formation to determine its ability to…

A: The required properties of geological formation to determine its ability to form a good reservoir:As…

Q: Q5/ Determine the bit size needed for drilling to the depth of the surface casing of a well if the…

A: Types of casing are given below; Intermediate Structural. Linear Surface. Drive, or conductor. etc

Q: What are the pros and cons of test pits?

A: The pros of test pits are: It is one of the most economical means of soil exploration to shallow…

Q: What do you mean by rotary drilling?

A: The process of drilling  deep boreholes in the formations of rocks or drilling wells is known as…

Q: What are the general advantages and disadvantages associated with hydraulic fill placement methods?

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Q: situations in which drilled shafts would be preferable to driven pile foundations

A: Pile foundation : Pile foundation is needed in areas where the structures constructed are large and…

Q: How does rock drilling similar to the method of rotary drilling in soil?

A: The process of drilling the rock into fragments with help of machine is known as rock drilling…

Q: 8. List three methods of sheeting an excavation (Sketch each of them)

A: When the depth of excavation is too much, or when the soil on the sides of excavation is quite…

Q: A large sized excavation is made in a stiff clay whose saturated unit weight is 17.27 kN/m3. When…

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Q: Explain Modern Drilled Shaft Construction

A: The term is related to geotechnical engineering.

Q: If the depth of penetration for a 2-x-2-x-2-cm cube is 0.5 cm, what is the percent penetration?…

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Q: Define the term Rock Core Drilling.

A: The processes of mining require excavation to be done. The rocks need to be drilled and various…

Q: What steps can people take to avoid landslide disasters? Whatis the purpose of the rock bolts shown…

A: The movement of rock, soil, or debris down a sloped area of terrain is known as a landslide. Rain,…