A submerged floating tunnel (SFT), also called Archimedes bridge or suspended tunnel, is a tunnel that floats in water supported by its buoyancy (specifically, by employing the hydrostatic thrust, or Archimedes’ principle). Tunnels in water are not new in civil ...
Discy Latest Articles
Tunnel Shafts: Types, Construction, and Advantages
Tunnel shafts are vertical passages that connect the ground surface to the tunnel roof. Shafts have many advantages and are used in constructing tunnels. When the position and course of the tunnel are correctly aligned and accordingly set out on ...
Grillage Foundation: Types, Construction, and Advantages
Grillage foundation consists of one or more tiers of beams (steel or timber) superimposed at right angles to each other on a concrete layer to disperse load over an extensive area. This type of foundation is generally used for heavy ...
What are the Criteria for Selection of Dewatering Methods?
Dewatering is the process of removing excess water from saturated soil to facilitate the excavation process and create safe working conditions. Various dewatering methods can be employed during excavation works to facilitate construction operations. The selection of suitable dewatering techniques ...
Sodic Soil: Effects, Properties, and Treatment
Sodic soils are formed when sodium ions are relatively higher than the other cations, impacting the soil structure. The amount of sodium in the soil is the key measure of sodicity and is referred to as the Exchangeable Sodium Percentage ...
Guide to Select the Suitable Soil Improvement Method
Soil improvement methods are adopted to increase the shear strength and the density of soil, preventing the occurrence of liquefaction and providing sufficient bearing capacity to the foundation. The selection of soil improvement methods is governed by several factors like ...
What are the Indications of Problems in the Foundation of Residential Buildings?
Foundation is one of the most vital elements of a structure as its safety and performance affect the entire building. Any kind of negligence during the construction of foundations would mean compromising the safety and serviceability of the building. Therefore, ...
Rongjiang Bridge: The World’s Longest Bridge of Rigid Girder and Flexible Arch
The Rongjiang Bridge is a part of the Xiamen-Shenzhen high-speed railway route constructed in the Jieyang City of Guangdong Province, China. It is the longest bridge in the world with a main span of 660 m between two flexible steel ...