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What is the fineness modulus of this aggregate?

What is the fineness modulus of this aggregate?

Structural Analysis
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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**Question 23** **What is the fineness modulus of this aggregate?** | Sieve Size (US) | Retained Mass (g) | % Retained | % Cumulative Retained | % Passing | |-----------------|------------------|------------|-----------------------|-----------| | 1" | 0 | 0 | | | | 3/4" | 650 | 18.3 | | | | 1/2" | 700 | 19.7 | | | | 3/8" | 632 | 17.8 | | | | #4 | 175 | 4.9 | | | | #8 | 200 | 5.6 | | | | #16 | 150 | 4.2 | | | | #30 | 125 | 3.5 | | | | #50 | 331 | 9.3 | | | | #100 | 288 | 8.1 | | | | #200 | 250 | 7 | | | | Pan | 50 | 1.4 | | | | **Total** | **3551** | | | | **Options:** - 5.20 - 1.57 - 3.89 - 6.50 **Explanation:** The table shows the retained mass of aggregate on various sieve sizes, their respective percentage retained, and columns for cumulative percentages and percentage passing, which are not filled in. The fineness modulus is calculated by summing the cumulative percentage retained and dividing by 100. The options provide potential answers for the fineness modulus based on the given data.
Transcribed Image Text:**Question 23** **What is the fineness modulus of this aggregate?** | Sieve Size (US) | Retained Mass (g) | % Retained | % Cumulative Retained | % Passing | |-----------------|------------------|------------|-----------------------|-----------| | 1" | 0 | 0 | | | | 3/4" | 650 | 18.3 | | | | 1/2" | 700 | 19.7 | | | | 3/8" | 632 | 17.8 | | | | #4 | 175 | 4.9 | | | | #8 | 200 | 5.6 | | | | #16 | 150 | 4.2 | | | | #30 | 125 | 3.5 | | | | #50 | 331 | 9.3 | | | | #100 | 288 | 8.1 | | | | #200 | 250 | 7 | | | | Pan | 50 | 1.4 | | | | **Total** | **3551** | | | | **Options:** - 5.20 - 1.57 - 3.89 - 6.50 **Explanation:** The table shows the retained mass of aggregate on various sieve sizes, their respective percentage retained, and columns for cumulative percentages and percentage passing, which are not filled in. The fineness modulus is calculated by summing the cumulative percentage retained and dividing by 100. The options provide potential answers for the fineness modulus based on the given data.
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