The Solar Ark – An Innovative Steel Structure The Solar Ark is an ark-shaped solar power facility in Japan owned by Sanyo. With over 5000 panels cladding to the structure, it produces approximately 530,000 kilowatt-hours on an annually. The maximum system power is630 kW. It is one of the largest solar buildings in the world. … Read more
Various Types of In-situ Concrete Floor Systems There are many concrete floor systems from which the designer can select an economical and technically satisfactory solution. Introduction Traditionally, concrete floor systems are reinforced using bars, fabric or using high-strength strand which is stressed. The action of prestressing with a straight or a draped cable in concrete … Read more
NyKredit building or The Crystal, Copenhagen, Denmark Summary – free-standing – Designed by Schmidt Hammer Lassen – light, crystalline form, rests on only a single point & a single line – low energy-consumption of only 70 kWh per sq.m The Crystal is an extension to the head office of the Danish financial institution, Nykredit, and … Read more
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
A Presentation on Petronas Twin Towers, Kuala Lumpur, Malaysia By- Nawal Kishor Dwivedi General Facts 6rd tallest building in the world as on March 2014 Tallest building in world from 1998 to 2004 Preceded by International Commerce Center, Hong Kong ,China Surpassed by Nanjing Greenland Financial Complex ,China Location : KLLC , Jalan Ampang of … Read more
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
Guidelines to Construct Joints in Concrete Joints are to be carefully designed and appropriately constructed in order to avoid uncontrolled cracking of concrete slab. The following are recommended practices that should be observed: The maximum joint spacing should be 24 to 36 times the thickness of the slab. As an example, in a 5-inch thick … Read more
What is Concrete and what are the Properties of Concrete Concrete is a mixture of portland cement, water, aggregates, and in some cases, admixtures. The cement and water form a paste that hardens and bonds the aggregates together. Concrete is often looked upon as “man made rock”. Concrete is the most widely used construction material … Read more
Grading Of Aggregates for Concrete Aggregate comprises about 85 % volume of mass concrete Concrete contains aggregate upto a maximum size of 150 mm Way particles of aggregate fit together in the mix, as influenced by the gradation, shape, and surface texture Grading effects workability and finishing characteristic of fresh concrete, consequently the properties of … Read more