Diseño de anclajes para tubería de la conducción de agua cruda del Plan Maestro de agua potable de la ciudad de Loja en el tramo comprendido entre Shucos y la captación en la Quebrada deLos Leones

Abstract

The present thesis topic has the object of controlling the displacements produced by the imbalance between the different forces acting on the raw water piping. Of the master plan of agus potable of the city of Loja, by means of different types of anciajes. In order to avoid possible displacements, anchors are designed capable of absorbing the imbalance of the forces that are generated in any change of direction of the pipe. From the information submitted by the contracting entity (ABENGOA) the total number of anchors is 268, classified as follows: Concave horizontal, 111 Convex horizontal, 129: (normal and piloted) Vertical concave, 11 Convex vertical , 17 If the thrust of the ground less the frictional force (remanent thrust) that develops, is greater than the resistance of the ground itself (passive thrust), it will be necessary to place a concrete anchor in this vertex. In this way, the drive is fixed by means of the friction force which opposes the movement (by increasing the weight at this point) and support against the ground (by increasing the load transmission surface). For all the anchors designed except for piloted, there have been realized checkings, passive resistance of the floor, capacity of the ground, displacement and graphic check of the passive wedge of Rankine. The plated horizontal convex anchors were designed as such, for the following considerations: distance from the pipe to the edge of the ravine less than or equal to 3m, thrusts and deflections of the larger elbows which give rise to normal anchors with large dimensions, normal anchors Which do not comply with the aforementioned checks such as passive soil resistance, permissible capacity, carte, clearance.