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QuestionWhat are main dissimilarities in applications between pipe culverts and box culverts? AnswerEssentially, culvert resources covered hydraulic structure that conveys fluid. So in a broad sense, pipe culverts in small scale stand for normal pipes similar to precast concrete pipes. In conditions of hydraulic presentation, circular section is best geometrical sections between all. Consequently, for relative little discharge, precast concrete pipes and ductile iron pipes are usually used which are circular in shape. For applications of extremely large flow, precast concrete pipes and ductile iron pipes might not be obtainable in present market. In this connection, cast-in-situ structure has to be employed. It is further than doubt that fabrication of formwork for circular shape is not easy when compared with regular box culvert structures. Still, circular shape is mainly hydraulic efficient structure which way for a given release, area of flow is smallest amount. Thus, it helps to save cost of extra linings compulsory for choice of box culverts.
But, box culverts do own a number of advantages. As in they can manage with large flow situation anywhere headroom is partial since height of box culverts can be reduced while size of pipe culverts is permanent. Secondly, for some difficult site situations for example excavation of arrangement in rock, for same equivalent cross-sectional area, width of box culverts know how to be designed to be lesser than that of pipe culverts and this improves smaller quantity of excavation and backfilling.
Classification Based on Modulus of Elasticity: Young's modulus is resolute by conducting bending test. On this basis timber is classified as following: Group A: E = 12.5 kN
Explain Subcritical flow and Supercritical flow Subcritical flow: The depth of flow is greater than critical depth and the velocity of the fluid is slow. Also termed "tranquil"
what is the advanantage& dis advantage
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Q. Air chamber vs. surge tank in pressurized pipelines? Air chambers and surge tanks are generally installed in water main to ease the stress on the system when valves or pumps
painting wood work
Given: beam deminsions: flange width=22" FLANGE THICKNESS=7" WEB WIDTH=7" SECTION HEIGHT=40" f'c=5000psi f'ci=3500psi fpu=270ksi Ap=eighteen 1/2" diam strands superim
..describe how u can obtain the length of an inacceble length of a land when a river cross it
How to calculate the total loss of prestress As a general guide, it may be taken that total loss of prestress may be in the range of 20 to 25 percent of the initial prestress,
Resultant force at a section We can determine stresses at top and bottom fibres, at a section of a beam, due to pre-stressing force and external loads. Using them, we can draw
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