Polymer modified mortar is produced by mixing water with polymeric admixtures, Portland cement, and sand. The addition of polymer improves mortar's performance and consequently can be utilized ...
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The New Austrian Tunneling Method (NATM), also known as the sequential excavation method, gained recognition during the tunneling operations in the Austrian Alps. The technique proved to be very ...
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Crib retaining walls are a form of gravity wall. They are constructed of interlocking individual boxes made from timber or pre-cast concrete. Then, the boxes are filled with crushed stone or other ...
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A cantilever beam is a rigid structural element supported at one end and free at the other, as shown in Figure-1. The cantilever beam can be either made of concrete or steel whose one end is cast or ...
Azimuths and bearings are horizontal angles measured to represent or locate a line with respect to a meridian. Here, the important features of azimuth and bearing in surveying along with their ...
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Earthen roads are laid with soil. They are cheaper than all types of roads. This type of road is provided for fewer traffic areas or countryside areas. A good drainage system should be provided, which ...
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