Search Results for: mortar

Graduate Aptitude Test in Engineering (GATE) Civil Engineering 2014 Part 1 Multiple Choice Questions

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Target GATE 2016

Graduate Aptitude Test in Engineering (GATE) Civil Engineering 2014 Part 1 Multiple Choice Questions [mlw_quizmaster_leaderboard mlw_quiz=21]   Graduate Aptitude Test in Engineering (GATE) Civil Engineering 2016 Part 1 Multiple Choice Questions Section 2: Structural Engineering Engineering Mechanics: System of forces, free-body diagrams, equilibrium equations; Internal forces in structures; Friction and its applications; Kinematics of point … Read more

Scaffolding

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Scaffolding structures that need to be designed

Scaffolding There is a limit to the safe working height at which a worker can access the building work from ground level. Therefore some form of temporary support is required to provide a safe and convenient working surface. This is known as scaffold or scaffolding. Scaffolding is used on new-build projects and for work to existing structures, including … Read more

Spalling of Concrete – Causes, Prevention & Repair

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Spalling of Concrete slab due to corrosion

Spalling of Concrete – Causes, Prevention & Repair ingress of moisture of air into concrete causes corrosion of reinforcement and results in the volume expansion of steel bars, consequently causing cracks & spalling of concrete cover The word Spall in engineering, describes the chips or fragments of a material that is broken off a bigger … Read more

Diagonal Cracks in Foundation and Walls

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Diagonal Crack at the corner of a strip footing

Diagonal Cracks in Foundation and Walls Diagonal cracking is an inclined crack beginning at the tension surface of a concrete member. Steep diagonal cracks appear in concrete foundation due to point loads that exceed the compressive strength of the concrete. This type of failure, known as settlement, can happen due to “volume changes in clay soils … Read more

Shotcrete – Concrete Repairing Techniques

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Shotcrete in Concrete Repair Shotcrete is defined as “mortar or concrete pneumatically projected at high speed onto a surface” (American Concrete Institute, 1990). There are two basic types of shotcrete—dry mix and wet mix. In dry mix shotcrete, the dry cement, sand, and coarse aggregate, if used, are premixed with only sufficient water to reduce dusting. This mixture is … Read more

Masonry Wall – Types, Failure Mechanisms & Advantages

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Brick Masonry Wall

Masonry Wall – Types, Failure Mechanisms & Advantages Submitted By-Bhawnesh Kuldeep The masonry walls is built of individual blocks of materials such as stone, brick, concrete, hollow blocks, cellular concrete etc., usually in horizontal courses cemented together with some form of mortar. Advantages Of Masonry Wall The use brick and stone can increase the thermal … Read more

Techniques for Rehabilitation & Repair Of Structures

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Guniting Flow Chart

Techniques for Rehabilitation & Repair Of Structures -submitted by Shereef MI , – K.S.R. College Of Engineering Introduction The success of repair activity depends on the identification of the root cause of the deterioration of the concrete structures. If this cause is properly identified, satisfactory repairs can be done for the improvement of strength and … Read more

2011 Sikkim Earthquake – Himalayan earthquake

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Strengthening of Existing Masonry

2011 Sikkim Earthquake – Himalayan earthquake The 2011 Sikkim earthquake also known as the 2011 Himalayan earthquake, was a magnitude 6.9 (Mw) , Kanchenjunga Conservation Area, near the border of Nepal and the Indian state of Sikkim At 18:10 IST (12:40 UTC) on Sunday, 18 September. The quake came just a few days after an … Read more

Sikkim Earthquake Of 14 February 2006

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Sikkim Earthquake February 2006 location

Sikkim Earthquake Of 14 February 2006 Moderate earthquake (reported as Mw 5.3 by USGS and as ML 5.7 by IMD)  occurred in the state of Sikkim (India) on February 14 2006 at 06:25:23 a.m. local time.  At 27.35°N 88.35°E, near Ralang (South Sikkim), with a focal depth of 30 km (www.usgs.gov)  At 27.7°N 88.8°E, near … Read more