Paper Title:
Strength-Based Appropriateness of Sawdust Concrete for Rigid Pavement
  Abstract

This paper presents the mechanical properties of sawdust concrete and its application as criteria for rigid pavement works. Sawdust concrete with nominal mixes 1:1:2, 1:1½:3, 1:2:4, 1:3:6, and 1:4:8 (1 part cement to 1, 1½, 2, 3 or 4 parts fine sand to 2, 3, 4, 6 or 8 parts sawdust) with 0.60 water-cement ratio were produced and cast into cubes, beams and cylindrical shape for the compressive, flexural and split tensile strength tests, modulus of elasticity and Poisson’s ratio tests. The derived values were compared with the Nigerian and British Ports Association standards/codes for rigid pavements. The slump values for all fresh mixes ranged between 0.10-0.20mm which indicated low workability, while their strength increased with maturity. Only nominal concrete mixes 1:1:2 and 1:1½:3 possessed adequate compressive and flexural strengths for rigid pavement works. Hence, they were recommended as sawdust concrete rigid pavement surfacing, cement bounded base or sub-base materials.

  Info
Periodical
Chapter
Chapter 1: Construction and Structures
Edited by
A.O. Akii Ibhadode
Pages
13-18
DOI
10.4028/www.scientific.net/AMR.367.13
Citation
O.M. Ogundipe, Y.A. Jimoh, "Strength-Based Appropriateness of Sawdust Concrete for Rigid Pavement", Advanced Materials Research, Vol. 367, pp. 13-18, 2012
Online since
October 2011
Export
Price
$32.00
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