DIFFERENTIAL LEVELING. In the following diagram, the elevation at BM-A is known, and we need to know the elevation of BM-K. Prepare the leveling notes and do a customary arithmetic check. 200 198 175 175 1.35 ft. ТР-2 86 88 ТР-3 180 ВМ К 180 1.20 ft. ТР-1 ВМ А Elev. 820.00 ft. Datum - Elevation 0.00 ft. 8.42 ft. 11.56 ft. 6.15 ft 10.90 ft. y 6E' 5.94 ft.

DIFFERENTIAL LEVELING. In the following diagram, the elevation at BM-A is known, and we need to know the elevation of BM-K. Prepare the leveling notes and do a customary arithmetic check. 200 198 175 175 1.35 ft. ТР-2 86 88 ТР-3 180 ВМ К 180 1.20 ft. ТР-1 ВМ А Elev. 820.00 ft. Datum - Elevation 0.00 ft. 8.42 ft. 11.56 ft. 6.15 ft 10.90 ft. y 6E' 5.94 ft.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A differential leveling circuit began on BM Hydrant (orthometric height 5869.31 ft) and closed on BM Rock (orthometric height 5880.03 ft). The plus sight and minus sight distances were kept approximately equal. Readings (in feet) given in the order taken are 2.68 (+S) on BM Hydrant, 5.59 (−S) and 10.83 (+S) on TP1, 6.46 (−S) and 10.61 (+S) on BM 1, 8.91 (−S) and 7.57 (+S) on BM 2, 5.14 (−S) and 9.01 (+S) on TP2, and 3.83 (−S) on BM Rock. Prepare, check, and adjust the notes.
A differential leveling loop began and closed on BM Tree (elevation 323.48 ft). The plus sight and minus sight distances were kept approximately equal. Readings (in feet) listed in the order taken are 3.18 1 +S2 on BM Tree, 4.76 1 -S2, and 2.44 1 +S2 on TP1, 3.05 1 -S2 and 6.63 1 +S2 on BM X, 3.64 1 -S2 and 2.35 1 +S2 on TP2, and 3.07 1 -S2 on BM Tree. Prepare, check, and adjust the notes.
A differential leveling circuit began on BM Hydrant (orthometric height 5869.31 ftft) and closed on BM Rock (orthometric height 5880.03 ftft). The plus sight and minus sight distances were kept approximately equal. Readings (in feet) given in the order taken are 5.48 (+S) on BM Hydrant, 5.59 (−S) and 10.83 (+S) on TP1, 9.26 (−S) and 13.41 (+S) on BM 1, 8.91 (−S) and 7.57 (+S) on BM 2, 5.14 (−S) and 9.01 (+S) on TP2, and 6.63 (−S) on BM Rock. Prepare, check, and adjust the notes. Determine the Plus and Minus adjustments. Express your answers in feet to two decimal places separated by a comma. Determine the page check. Express your answer in feet to two decimal places. Determine the misclosure and the correction. Express your answers in feet to two decimal places separated by a comma.
Reduce the set of differential leveling notes in Table 2-11, and perform the arithmetic check. -Adjust the elevation of BM K110. The length of the level run was 780 m, with setups that are equally spaced. The elevation of BM 132 is 187.536 m.
A tacheometer was set up at B.M and the following observations were made with a leveling staff held vertically at P and Q. Ins: Station Staff Station Vertical Angle Hair Readings Bearings Remarks B.M P +10° 00’ 1.050, 1.103, 1.156 40° R.L of B.M =1958.500 ft Q -15° 00’ 0.952, 1.055, 1.158 140° The constant of instrument (f/i) = 100, Height of instrument = 5.15 ft Compute: The horizontal distance between P and Q Reduced Levels of P and Q Grade between P and Q
For all the computed values with decimals, use four (4) digits after the decimal. Differential leveling runs from BM10 to BM11 at a distance of 7.5 km. It was observed that the leveling rod was inclined 6° from the vertical every time the backsight is taken. The average BS reading is 3.15m and the average length per set-up is 300m. Determine the error every 300m set-up and the correct elevation of BM11 if the recorded elevation was 173.20m.
Reciprocal leveling gives the following readings in meters from a setup near A: on A, 1.365; on B, 4.928, 4.924, and 4.926. At the setup near B: on B, 4.251; on A,1.687, 1.688, and 1.688. The elevation of A is 564.872 m. Determine the disclosure and elevation of B.
An engineer's level with stadia constant of 0.30-m was set up on the line between A and B, the following crosshair readings were observed. If the stadia interval factor of the level is 100, determine the length of line AB.
Given:Upper reading = 1.64 mMiddle reading = 1.57 mLower reading = 1.51 mVertical Middle Angle = 10°32’00”Elev of point A = 333 mH of instrument = 1.2 mK = 100Stadia Constant = 0 Solve the ff.: A. Inclined, horizontal, and vertical distance B. Elevation of point B.
Q avg = 0.181 m^3/s
Differential leveling was performed to run the elevation of BM 3-1 located 30.00 meters to the right of station 3 + 480, to BM 3-2 located 27.50 m to the left of station 3 + 920.00. Calculate the elevations of the points and verify the quality of the annotations in the level book. STATION BS HI FS ELEVATION (m) BM 3-1 1.458 328.954 TP - 1 2.256 2.314 TP - 2 1.382 3.127 TP - 3 3.456 2.171 TP - 4 0.759 1.282 BM 3-2 2.000
The differential leveling runs from BM 10 to BM 11 at a distance of 7.5km. It was observed that the leveling rod was inclined 6º from the vertical every time the backsight is taken. The average BS reading is 3.15m and the average length per set-up is 300m. Determine the error every 300-m set-up and the correct elevation of BM 11 if the recorded elevation was 140.20m