TMB is used as an alternative to drilling and blasting (DB) methods. TBMs are used to excavate tunnels with a circular cross section through a variety of subterranean matter; hard rock, sand or almost anything in between. As the TBM ...

It is a simple presentation that explains briefly about the purification of water by chlorination.There are many advantages as well as some disadvantages of the process of chlorination and the same is discussed in this presentation. Some of the advantages ...

The term,” engineer construction machinery” covers a very wide range of machines. Earth moving machines and cranes are grouped under the term, “c” vehicles.  Others such as pavement layers and finishers, compressors, road rollers, pumps and concreting machines have no ...

Piles are the columnar elements in the foundations which have function of transferring loads from super structure through week compressible strata or through water onto stiffened or more compact and less compressible soils.  What are piles? They may be required ...

Project Title Analysis of Different Hydraulic Parameters on the Structural Design of Dharma Nullah Bridge Taxila Project Abstract. The purpose of this project is to thoroughly study the various parameters affecting the hydraulic design of a bridge and studied various ...

Beams having span/depth ratio of  simply supported beam is < 2,  continuous beam  < 2.5,  it is classified as deep beam. Such structures are found in transfer girders and in shear wall structures that resist lateral forces in buildings. It ...

This report presents guidance on the application of geometric design criteria to facilities functionally classified as local roads and streets. The report is subdivided into sections on rural roads, urban streets. A local road or street serves primarily to provide ...

A special task force to investigate the collapse of the bridges.A committee, formed at the direction of this task force.All bridges longer than 20ft were required to be described and registered in a national database and thus the National Bridge ...

Combustion is a process by which any thing burns, in our industries and in our vehicles we utilize this process to get some energy and then some power. But these combustion processes are not prefect and thus we have some ...