The world’s longest suspension bridge, called Sky Bridge 721, opened in the Czech Republic on 13 May 2022. The 721 m-long bridge will provide spectacular views of the cloud-shredded Jeseniky mountains as well as an exciting experience for its visitors. ...
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Discy Latest Articles
What is Structural Composite Lumber (SCL)?
Structural composite lumber (SCL) describes the family of engineered wood products manufactured using small, fast-growing, and underutilized trees. SCL includes laminated veneer lumber (LCL), parallel strand lumber (PSL), laminated strand lumber (LSL), and oriented strand lumber (OSL). Structural composite lumber ...
What is Weathering Steel?
Weathering steels, also known by the trade name COR-TEN steels, are high-strength, low alloy steel with a carbon content of less than 0.2 percent by weight. It was originally developed in the 1930s by the United States Steel to prevent ...
How to Distinguish Between Shear Wall and Column?
The geometry of a section of a shear wall and a column can be similar to the extent that the question of when a rectangular column becomes a wall often arises. ACI 318-19, section 18.7.2.1, defines a column, for special ...
Supertall Octagonal Skyscraper to Adorn Chinese Skyline
German architecture firm, Bulo Ole Scheeren, unveiled its plans for the supertall skyscraper ‘Nanjing Nexus’ in China. Illustrating the fusion of history and tradition with contemporary architecture, Nanjing Nexus will be located in a burgeoning new district near the Yangtze ...
Test Method for Slump of Sealants
The test method for slump of sealants covers a laboratory procedure for determining the degree of the slump of a sealant when used in a vertical joint in a structure. This method of testing is as per the ASTM standards. ...
Asphaltic Plug Joints for Bridges: Material Requirement, Construction, and Testing
Asphaltic plug joint (APJ) is a type of bridge expansion joint that is a simple general-purpose expansion device for bridges having a total motion of less than 50 mm (2 in). These joints are used in joint expansion sealing on ...
Phase Change Materials (PCMs) for Building Applications
Phase-change materials (PCMs) possess high storage density in a narrow temperature interval. They release or absorb sufficient energy at phase transition (solid to liquid or vice versa) to provide useful heat or cooling. PCMs are used to enhance the thermal ...
Basic Principles to Achieve Net-Zero Energy Buildings (NZEB)
A net-zero energy building (NZEB) can be defined as a building that produces as much energy as it consumes when measured at the site. These buildings provide high performance by taking a significant amount of energy from renewable sources produced ...
Combined Heat and Power Systems (CHP) for Buildings
Combined Heat and Power (CHP) is a technology that produces electricity and thermal energy at high efficiencies using a heat engine or power system. CHP, also referred to as cogeneration, is a process in which the heat produced as a ...