The standard acceptable 28-day compressive strength of grout for hollow unit masonry in MPa is?O a. 5.5O b. 20.7O c. 21.0O d. 13.5O e. 7.0To be classified as hollow, the unit must have what percentage voids?O a. between 25 and 60O b. 25O C. none of theseO d. 60O e. >60

Answered: To be classified as hollow, the unit…

To be classified as hollow, the unit must have what percentage voids? O a. between 25 and 60 O b. 25 c. none of these O d. 60 e. >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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Concept explainers

Bars

In civil engineering, bars refer to steel reinforcement bars or rebars. These are structural members primarily used for reinforcement purposes in masonry works. A bar is characterized by its cross-sectional area, which is negligible compared to its length. Bars are usually manufactured by steel which is uniform throughout the length, or by meshing multiple steel wires. Other materials of the bar include carbon steel, glass fiber, carbon fiber, and basalt fiber. The reinforcing bars are coated with epoxy resins and other materials to enhance some of their properties including corrosion resistance.

Question

The standard acceptable 28-day compressive strength of grout for hollow unit masonry in MPa is?
O a. 5.5
O b. 20.7
O c. 21.0
O d. 13.5
O e. 7.0
To be classified as hollow, the unit must have what percentage voids?
O a. between 25 and 60
O b. 25
O C. none of these
O d. 60
O e. >60

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