A root of the linear portion of the stress strain relation

Reference no: EM13545666

A 32mm rebar with a guage length of 200mm was subjected to tension to fracture according to ASTM E-8 method. The load and deformation data were as shown in table below.

Load(kn) Displacement(mm) Load Displacement

0 0 472.9 8.4

62.2 .1 487.1 9.7

188.9 .2 496.4 11.1

329.8 .4 505.7 12.4

383.4 1.7 512.8 13.7

426 4.0 522.6 15.3

447.3 5.9 532.4 18.5

462.5 7.2 525.9 22.4

aUsing a spreadsheet program obtain the following:

a)a ;lot of the stress strain realtionship.

b)a root of the linear portion of the stress strain relationship.

c) proprotional limit

d)yield stress

e)ultimate strength

f)if the rebar is loaded to 390kn only ad then unloaded, what is the premantnt change in length.

Reference no: EM13545666

Questions Cloud

Calculate the area of the reinforcement required : Calculate the area of the reinforcement required( As) in a singly reinforced rectangular beam required to carry an ultimate factored bending moment ( Mu = 140 Kip-ft). Use( f’c=3,000 psi) and( fy=40,000 psi).

The results of these tests are summarized in the following : A series of direct shear test has been performed on a dense well grades sand. all tests were performed on 3.00 in diameter, 1.25 in tall cylindrical specimens. and were run slowly enough to produce the drained condition. The results of these tests ar..

Determine the corresponding flood peak of the runoff using : The vertical effective stress at a certain point in a loose sand is 1000lb/ft^2. If an earth quake were to occur, how much excess pore water pressure would need to develop at this point for liquefaction to occur? Show a numerical rationale for your a..

Determine the depth of a french drain saturated depth : Determine the depth of a French drain (saturated depth) if the width is 3.0 feet, the effective permeability of the aggregate is 2000 ft/day, and the rate of discharge for 100 feet of trench is 1000 feet^3/day. The trench slope along the flow line is..

A root of the linear portion of the stress strain relation : A 32mm rebar with a guage length of 200mm was subjected to tension to fracture according to ASTM E-8 method. The load and deformation data were as shown in table below.

Will the quantity of coarse aggregate incease decrease : A concrete mix with a 3in slump, w/c ratio of .5, and sand with a fineness modulus of 2.4 contains 1700lb/yd3 of coarse aggregate. Compute the required weight of coarse aggregate per cubic yard.

How you will place the bars and calculate the location : Concrete cover on both sides. Sketch how you will place the bars and calculate the location of the effective depth. Place as many bars in the lower layers as possible.

How many cubic yards of aggregate must be ordered for a road : How many cubic yards of aggregate must be ordered for a road base 16 inches thick and 2000 feet long with a top width of 30 ft, if the side slopes are one on one, or 45 degree?

What major differences would you expect if the water supply : A large stream flowing through a highly industrialized area must serve as the source of a community's water supply. The turbidity of the water ranges from 30 to 60 NTU, alkalinity exceeds 100 mg/L.

User Account

All Pages