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Question
What is key role of drilling fluid in rotary drilling in site search?
Answer Drill fluid in rotating serves two main reasons.
(i) Facilitate rotation of drilling tube during rotary drilling.
(ii) Do something as a cooling agent to cool down heat generated during drilling operation. Traditionally, water is in general employed as drilling fluid. Yet, it suffers from following problems-
(i) It affects constancy of nearby ground with introduction of water into borehole
(ii) It affects excellence of instance by changing water content of soil samples collected from borehole or drillhole.
grading classification
Bituminous Courses Types of Bituminous Courses The following are the various bituminous course commonly used : (a) Prime Coat (b) Tack Coat (c) Surface Dress
What is the Design Mix concrete Determination of the proportions of cement, aggregates and water to achieve the required strengths in concrete is made by designing the con
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Question How does an engineer determine digit of cells for concrete box girder bridges ? Answer If depth of a box girder bridge exceeds 1/6 or 1/5 of bridge width, then it is o
define traverse.purpose of traverse, procedures of traverse, taking linner measurment, types of traverse, convert the following quardnatal bearing to wcb. 1.OA= N15 deg10mins ''E,
Method to calculate the loss of prestress When the consider creep in regard to loss of prestress, we have to see that the prestressed member is under compressive stresses due
Define Physical deterioration - underwater inspection of bridges Typical defects include: - Scaling - Cracking - Spalling - Disintegration - Abrasion
how to measure horizontal angle by theodolite
Water quality analysis: This water quality analysis presents an overview of physical characteristics of water, chemical substances that are normally present in water and vario
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