Have you ever wondered how bridges are constructed? Are you equipped with the information on various types of bridges? Well, here is some basic information that will help you understand bridge construction. A bridge is a structure that offers a passage from one point to another. Basically, there are types of bridges which include.
The types of bridges will mainly differ depending on the design and the structure of the bridges. Each of the types above will differ in the strength, with the beam being the most common and the simplest of them all.
It is important to note that every bridge construction has basic terminologies, which are classified from either the bridge substructure or the superstructure. The superstructure will normally include the structure members, the deck, the parapets, sidewalks lighting and drainage facilities. The decks will normally mean the portion of the road on the bridge. They also include the shoulders of the bridge which could be made of timber or concrete. The road way part of the bridge should be smooth to allow for the passage of vehicles and other wheeled structures. The deck should be firm and strong enough ftp carry lot of weight on the bridge. This is enhanced by the presence of other members which include precast and reinforced concrete bulbs, box beams and slabs. The substructure part of the bridge supports the superstructure. The components of this include the abutments, piers and footings among others.
Various personalities are involved in the bridge construction. Notably among these are the technicians, the engineers, the surveyors and the contactors. These individuals will normally come together to draw out a plan on the bridge construction. Several tests are done to ensure that the type of soil is appropriate for the bridge construction. It is also important that planning includes a careful study of construction site to identify the natural and ma-made features in the area.
Of importance in bridge construction is the plan view which identifies the location of the bridge, length of the bridge and its width. Further, an elevation view is needed to identify the locations of expansion bearings, railroads and highway elevations among others. The contactor will further come up with a layout that will spell the checks and balances that ensure that certain standards are met during the construction. Accuracy will be important in bridge construction, which calls for engagement of the surveyor. Reference points are sketched on the site during such a process which will usher the beginning of bridge construction. Clearly, the process of bridge construction is lengthy and engages a lot of preliminary preparations. However, without such, the bridge constructed will not hold in terms of strength and durability.