Development Length In Recycled Steel Bar Reinforcement

J.K Byaruhanga jkbyaruhanga@tech.mak.ac.ug

Dept. of Mechanical Engineering, Makerere University, Kampala, Uganda

C. Senfuka senfukac@gmail.com

Dept. of Mechanical and Production Engineering, Kyambogo University, Kampala Uganda J.B. Kirabira jbkirabira@tech.mak.ac.ugDept. of Mechanical Engineering, Makerere University Kampala, Uganda

Abstract

P(X ≥ χ)

Keywords:

1. INTRODUCTION

τ ≤ ( τet al τc

.

Th c

f α

ρ λ

Steel

bars

FIGURE 3:

Transverse

cracks c α

Concrete

slab

Steel

reinforcement

c

FIGURE 2:

f

λ

ρ

P

ld

σ ≤τ

⁄

i) ii)

⁄

(

)

ld

y

τc db

iii) y/τc lclc y.

τc.

Steel

Bar

ld

FIGURE 5:

db

τ

τ

τ

τ P

Concrete

slab

Bar rib

Cylindrical

failure

surface

FIGURE 4:

Concrete

block

et al

et al,

et al

2. MATERIALS AND METHODS

μXY

P(X ≤ χ) χ

z = (χ - μ)/ . P(X ≥ χ)P(X ≤ χ) χ

3. RESULTS

TABLE 1:

FIGURE 6:

z = (χ - μ)/ P(X ≥ χ) P(X ≤ χ) =

y

B Mo V y B

Mo V

TABLE 2:

FIGURE 7:

FIGURE 8:

4. DISCUSSION

√(

(

iii) y/τc, τc

ld

y

iv)

[

] [

(

)]

fy y)

f ’c Ψt Ψe Ψe λ

γ-α

5. CONCLUSIONS AND SUGGESTIONS

iii).

FIGURE 9: . FIGURE 10:

6. REFERENCES ,

. “