1. Determine the correct horizontal distance AE when it was 45m, BC= 38m, CD= 55m, DE =42.58, with measured AB difference of elevation per measurement as follows: 0.3m, 0.55m, 0.45m, 0.35m, measured with a 30-m tape under a steady pull of 6.5 kg at a mean temperature of 30°C. If the tape used is of standard length at 20°C under a pull of 5.5kg with a cross-sectional area of 0.025cm2, elastic modulus as 2.10x106 kg/cm2, coefficient of thermal expansion to be 0.0000116/1°C and weight of tape is 0.5kg. %3D

1. Determine the correct horizontal distance AE when it was 45m, BC= 38m, CD= 55m, DE =42.58, with measured AB difference of elevation per measurement as follows: 0.3m, 0.55m, 0.45m, 0.35m, measured with a 30-m tape under a steady pull of 6.5 kg at a mean temperature of 30°C. If the tape used is of standard length at 20°C under a pull of 5.5kg with a cross-sectional area of 0.025cm2, elastic modulus as 2.10x106 kg/cm2, coefficient of thermal expansion to be 0.0000116/1°C and weight of tape is 0.5kg. %3D

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A 50 m steel tape is used to measure a rectangle at 20°C with a pull of 55 N. The sides are recorded as 155.90 m and 121.00 m. The average temperature during measurement is 30°C with a pull of 55 N. C = 0.0000116/°C.16. Find the error in area.
It is required to lay out a line on the ground 500 m. long. The 50 m tape used was 0.015 m longer at 18 kg. pull and at 30.618 °C temperature. If the actual fieldwork will be done at temperature of 22 °C and pull of 14 kg was applied being supported at both ends of tape, compute the correct distance to be laid out if the cross-sectional area of tape is 0.02 sq. cm. and weighs 0.686 kg.
1 attachment - 4. A stone was dropped from a hot air balloon when the balloon was 93 m from the ground (ascending at a rate of 2.5 m/s). Determine: a. The velocity of the stone after 3.5 sec b. The time required for the stone to attain a downward velocity of 22 m/s c. The altitude of the stone from the ground after 4 sec
The measured length of a line is 99.642 m using a 100-m steel tape supported at 0-25-55-100 intervals with the tape weighing 3 kg. The recoded tape temperature during the measurement is 34°C under a pull of 8 kg and the difference in elevation between endpoints is 0.50 m. The standard temperature of the steel tape is 27°C and the standard tension is 10 kg. Determine the correct horizontal line.
The following set of level noted is to be completed by employing the rise and fall method. The difference between the reduced level of point a and the reduced level of point d is a. 0.57 b. 0.72 c. 0.30 d. 0.42 e. 1.29
Round off to Four Decima Places on Final answer only.
SITUATION VII. In a two-peg test of a dumpy level, the following observations were taken: Rod Reading on A Rod Reading on B Instrument A 1.428 2.034 Instrument B 0.935 1.441 14. What is the difference in elevation between A and B? a. 0.539 m b. 0.556 m c. 0.542 m d. 0.514 m
The measured length of a line is 99.642 m using a 100-m steel tape supported at 0-25- 55-100 intervals with the tape weighing 3 kg. The recoded tape temperature during the measurement is 34°C under a pull of 8 kg and the difference in elevation between endpoints is 0.50 m. The standard temperature of the steel tape is 27°C and the standard tension is 10 kg. Determine the correct horizontal line.
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