10. RECIPROCAL LEVELING. Reciprocal leveling between points A and B, 1ocated on opposite banks of a wide river gives the following readings in meters. From the first setup near A: on A, 0.,993; on B, 2.076, 2.077, and 2.078. For the set- up near B the readings are: on B, 2.549; on A. 1.463, 1.462, and 1.463. It the elevation of A is 925.28 meters determine the true difference in elevation between the two points and the elevation of B. 1st Instr Set up JEIV925.28 m)-- 2nd, Insfr Set up (Unknown Elev)

10. RECIPROCAL LEVELING. Reciprocal leveling between points A and B, 1ocated on opposite banks of a wide river gives the following readings in meters. From the first setup near A: on A, 0.,993; on B, 2.076, 2.077, and 2.078. For the set- up near B the readings are: on B, 2.549; on A. 1.463, 1.462, and 1.463. It the elevation of A is 925.28 meters determine the true difference in elevation between the two points and the elevation of B. 1st Instr Set up JEIV925.28 m)-- 2nd, Insfr Set up (Unknown Elev)

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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8. Reciprocal leveling between points A and B, located on opposite banks of a wide river gives the following readings in meters. From the first setup near A: on A, 0.993; on B, 2.076, 2.077, and 2.078. For the set-up near B the readings are: on B, 2.549; on A. 1.463, 1.462, and 1.463. If the elevation of A is 925.28 meters determine the true difference in elevation between the two points and the elevation of B. fat Instr Set up JEV925.28m- 2nd Instr- Setup (Unknown Elev)
Reciprocal leveling between points A and B, located on opposite banks of a wide river gives the following readings in meter. From the first setup near A; on A, 0.993; on B, 2.076, 2.077, and 2.078. For the set up near B the readings are; on B 2.549; on A; 1.463, 1.462, and 1.463. If the elevation of A is 925.28 meters determine the elevation of B
12. Complete the benchmark-leveling field notes shown in Figure B by computing and recording the HI and elevation for each TP and benchmark. Do the arithmetic check. BS BM 10 1.567 TP 1 1.345 TP 2 1.136 TP 3 0.987 TP 4 0.876 BM 20 Sum= Sta. HI FS Elev. 200.00 3.579 2.760 2.575 2.055 1.579
In the two-peg test of a dummy level, the following observations are taken. On point A On point B INSTRUMENT SET UP at M 2.682 1.239 INSTRUMENT SET UP at P 1.876 0.565 Point M is equidistance from both A and B with 92 meters, while P is 2.50m away from A along the extension of line AB. Requirements: Determine the true difference in elevation between point A and B. With the level still set up at P, determine the rod reading on A and B to which the line of sight should be adjusted. If the instrument needs to be adjusted, determine the following false difference in elevation inclination of the line of sight and the error in the reading of far rod A and B instrument set up at P.
In the two-peg test of a dummy level, the following observations are taken. INSTRUMENT SET UP at M INSTRUMENT SET UP at P On point A 3.415 4.127 On point B 1.365 1.861 Point M is equidistance from both A and B, while P is 2.50m away from B along the extension of line AB and 90 meters from B. Requirements: a. Determine the true differenge in elevation between point A and B. Answer: _0· Q04 m b. With thel r set up P, determine the rod reading on A adB to which the line of sight should be adjusted. Answer: 3.523 m
Reciprocal leveling between points A and B, located on opposite banks of a wide river gives the following readings in meters. From the first setup near A: on A, 0.993; on B, 2.076, 2.077, and 2.078. For the set-up near B the readings are: on B, 2.549; on A. 1.463, 1.462, and 1.463. If the elevation of A is 925.28 meters determine the true difference in elevation between the two points and the elevation of B
c- You must establish the elevation of point B from point A (elevation 187.298 m). Points A and B are on opposite sides of a 12-1: highway. Reciprocal leveling is used, with the following results: Setup at A side of highway: Rod reading on A = 0.673 m Rod readings on B = 2.416 and 2.418 m Setup at B side of highway: Rod reading on B = 2.992 m Rod readings on A = 1.254 and 1.250 m a. What is the elevation of point B? b. What is the leveling error? V
1- Complete the set of differential leveling using Rise and Fall Method, notes in Table and perform the arithmetic check. Elevation BM1 is 178.570 m. 1.150 3.112 0.911 2.470 2.814 1.00 1.219 2.890 0.710 2500 3.364 0,818 5 2.412 1,010 3 BM1 STATION BACKSIGHT FORESIGHT RISE (+) FALL (-) ELEVATION
In the two-peg test of a dumpy level, the following observations are taken: Instrument near A Instrument near B Rod reading on A Rod reading on B 1.501 0.903 2.022 1.452 1. Find the difference in elevation between A & B. 2. Determine the error in the line of sight for the net distance AB. 3. Determine the correct reading at A that will give level line pf sight with the instrument near point B.
Complete the following level notes. Show your detailed solution and checking. Differential Leveling Station BM1 ΤΡΙ TP2 TP3 TP4 TP5 BM2 BS 1.050 1.224 1.276 1.087 1.162 1.751 HI FS - 1.923 1.481 2.290 2.140 2.700 2.565 Elevation 147.630
In the two-peg test of a dummy level, the following observations are taken. INSTRUMENT SET UP at M INSTRUMENT SET UP at P On point A 3.415 4.127 On point B 1.365 1.861 Point M is equidistance from both A and B, while P is 2.50m away from B along the extension of line AB and 90 meters from B. Requirements: a. Determine the true difference in elevation between point A and B. Answer: b. With the level still set up at P, determine the rod reading on A and B to which the line of sight should be adjusted. Answer:
2. From the given profile leveling notes: STATION BS HI IFS FS BM1 1.543 3+100 0.557 3+200 1.353 3+300 2.458 3+400 2.221 3+500 3.105 TP1 1.553 3+600 2.131 3+700 2.358 3+800 1.424 3+900 1.583 4+000 0.898 TP2 2.568 4+100 3.425 4+200 2.626 4+300 1.323 4+400 0.898 4+500 0.566 TP3 2.015 4+600 1.231 4+700 2.353 4+800 1.357 4+900 3.364 5+000 2.565 TP4 1.567 5+100 2.356 5+200 1.359 5+300 1.110 5+400 2.369 5+500 3.122 2.234 1.335 3.011 1.897 ELEVATION 185.252 M