Design a concrete mix for the following conditions and constraints using the abso- lute volume method: Design Environment Bridge pier exposed to freezing and subjected to deicing chemicals Required design strength = 24.1 MPa Minimum dimension = 0.3 m Minimum space between rebars = 64 mm Minimum cover over rebars = 64 mm Standard deviation of compressive strength of 2.4 MPa is expected (more than 30 samples) Only air entrainer is allowed Available Materials Cement Select Type V due to exposure Air Entrainer Manufacturer specification 6.3 mL/1% air/100 kg cement Coarse aggregate 25 mm nominal maximum size, river gravel (round) Bulk oven dry specific gravity = 2.621, absorption = 2.4% Oven dry-rodded density = 1681 kg/m³ Moisture content = 1.5% Fine aggregate Natural sand Bulk oven-dry specific gravity = 2.572, absorption = 0.8% %3D Moisture content = 4% Fineness modulus = 2.60

Design a concrete mix for the following conditions and constraints using the abso- lute volume method: Design Environment Bridge pier exposed to freezing and subjected to deicing chemicals Required design strength = 24.1 MPa Minimum dimension = 0.3 m Minimum space between rebars = 64 mm Minimum cover over rebars = 64 mm Standard deviation of compressive strength of 2.4 MPa is expected (more than 30 samples) Only air entrainer is allowed Available Materials Cement Select Type V due to exposure Air Entrainer Manufacturer specification 6.3 mL/1% air/100 kg cement Coarse aggregate 25 mm nominal maximum size, river gravel (round) Bulk oven dry specific gravity = 2.621, absorption = 2.4% Oven dry-rodded density = 1681 kg/m³ Moisture content = 1.5% Fine aggregate Natural sand Bulk oven-dry specific gravity = 2.572, absorption = 0.8% %3D Moisture content = 4% Fineness modulus = 2.60

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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