For a design a concrete which will be exposed to seawater and sulfates in a structure that comprises thin members, the 28-day compressive strength is required to be 30 MPa and slump of the fresh concrete is specified as 8-10 cm. Maximum size of the aggregate is 25 mm. Other necessary data are given as: Specific gravity of cement = 3.1 Bulk specific gravity of coarse aggregate = 2.68 Bulk specific gravity of fine aggregate = 2.64 Absorption capacity of both aggregates is 1.5% Fineness modulus of fine aggregate = 2.8 Dry rodded unit weight of the coarse aggregate = 1600 kg/m3 What should be the weight of dry weight of coarse aggregate in kg's? What should be the weight of fine aggregate in kg's? What should be the water to cement ratio? Seç... Seç... Seç... #

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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For a design a concrete which will be exposed to seawater and sulfates in a structure that comprises thin members, the 28-day
compressive strength is required to be 30 MPa and slump of the fresh concrete is specified as 8-10 cm. Maximum size of the aggregate
is 25 mm. Other necessary data are given as:
Specific gravity of cement = 3.1
Bulk specific gravity of coarse aggregate = 2.68
Bulk specific gravity of fine aggregate = 2.64
Absorption capacity of both aggregates is 1.5%
Fineness modulus of fine aggregate = 2.8
Dry rodded unit weight of the coarse aggregate = 1600 kg/m3
What should be the weight of dry weight of coarse aggregate in kg's?
What should be the weight of fine aggregate in kg's?
What should be the water to cement ratio?
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Transcribed Image Text:For a design a concrete which will be exposed to seawater and sulfates in a structure that comprises thin members, the 28-day compressive strength is required to be 30 MPa and slump of the fresh concrete is specified as 8-10 cm. Maximum size of the aggregate is 25 mm. Other necessary data are given as: Specific gravity of cement = 3.1 Bulk specific gravity of coarse aggregate = 2.68 Bulk specific gravity of fine aggregate = 2.64 Absorption capacity of both aggregates is 1.5% Fineness modulus of fine aggregate = 2.8 Dry rodded unit weight of the coarse aggregate = 1600 kg/m3 What should be the weight of dry weight of coarse aggregate in kg's? What should be the weight of fine aggregate in kg's? What should be the water to cement ratio? Seç... ÷ Seç... + Seç...
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