A box culvert, as shown in the figure, was designed to carry a discharge (Q m'is) from asquare channel. Manning coefficient for channel and culvert is 0.015. The longitudinal slopeof channel is 0.0000s. The length of the culvert is 75m, K.- 0.16, and Ke = 1.0.y of soil y, = 1.6 ton/my of conc. ye- 24 ton/my of water yw=1.0 ton/mUse 40 ton for L.LIf the entrance of culvert is full submerged: -1. What is the diameter of the culvert (use 1 dig only)?2. What is the total head loss along the culvert (use 3 digs only)?3. What is the total load on Top of the culvert (use 2 digs only)? (Earth Filling0.2Y

Answered: Image /qna-images/answer/df99f10e-cb2d-4aeb-96a6-528f927d7295.jpg

Answered: 5. The length of the culvert is 75n

Engineering

Civil Engineering

5. The length of the culvert is 75n

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter7: Seepage

Section: Chapter Questions

Problem 7.7CTP

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Concept explainers

Open Channel Flow

Open channel flow is a branch of fluid mechanics. It deals with the flow of fluid in an open conduit or free surface. In an open channel flow, gravity induces the flow of water whose surface is open to the air. This flow is free-falling rather than confined in rigid body conduits. The open channel flow depends upon two parameters that are the cross-section of the conduit and the velocity profile. Practical examples of open channel flow are streams, rivers, canals, and other drainage systems.In open channel flow, the cross-sectional area of at least one of the sides is exposed to air, and the surface of water faces atmospheric pressure. This flow is also known as free gravity flow. The cross-sectional area of the conduit can be either man-made or a natural channel. For instance, the flow in rivers and streams are natural conduits, and the flow in a canal and sanitary systems are man-made or engineered channels.

Question

A box culvert, as shown in the figure, was designed to carry a discharge (Q m'is) from a
square channel. Manning coefficient for channel and culvert is 0.015. The longitudinal slope
of channel is 0.0000s. The length of the culvert is 75m, K.- 0.16, and Ke = 1.0.
y of soil y, = 1.6 ton/m
y of conc. ye- 24 ton/m
y of water yw=1.0 ton/m
Use 40 ton for L.L
If the entrance of culvert is full submerged: -
1. What is the diameter of the culvert (use 1 dig only)?
2. What is the total head loss along the culvert (use 3 digs only)?
3. What is the total load on Top of the culvert (use 2 digs only)? (
Earth Filling
0.2Y

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