construction. a) 15x20x40cm concrete hollow blocks b)

Q: Define about the problems related to the use concrete of very high strength exceeding 60MPa?

A: Solution: If we have to increase the strength of concrete just from 40 Mpa to 80 MPa, it will…

Q: Discuss the finishes used on concrete surfaces.

A: Every structural component in the structure must require the finish to protect from external factors…

Q: Define the optimal material for connecting fresh concrete to already cast concrete.

A: Introduction: The given  statement discusses the best material for connecting freshly cast concrete…

Q: What is lightweight concrete? What are Nonstructural applications  of lightweight concrete ?

A: Lightweight concrete  Light weight concrete can be defined as type of concrete which includes an…

Q: Define the  Percentage of Kevlar (K49) to be used in Concrete ?

A: The fibers tested during this study are commercially available: Kevlar 119, 29, 129, forty nine and…

Q: What aggregates should be avoided when making concrete?

A: Aggregates: Aggregate is a term for any granular material which includes gravel, crushed stone,…

Q: Lightweight Concrete

A: Lightweight Concrete: Introduction Light weight concrete is made with a lightweight coarse aggregate…

Q: where do Lightweight Concrete use ?

A: Lightweight concrete:-   Shale, clay, or slate, which give it its distinctively low density, are…

Q: Differentiate between pre-stressed concrete and RCC.

A:

Q: a) How water/cement ratio will effect concrete properties? b) Why concrete and steel…

A: A lower W/C ratio leads to higher strength and durability, but may make the mix difficult to work…

Q: What is the permissible tensile strength of concrete , M150 ?

A: Given data: Grade of concrete = M150 To find- The permissible tensile strength of concrete.

Q: From what materials are cements made?

A: Solution: The most important raw materials from which  cement is made are 1. Limestone 2. Clay 3.…

Q: Define the importance of Selecting an appropriate value for the compressive strength, f'c , of…

A: Compressive strength is main factor influencing stress strain behavior of concrete and hence should…

Q: What are the types of mortar used in the United States and Canada?

A: The type of mortar used in united state are M,S,N and O. It is specified by ASTM C270 M is high…

Q: Comprssive strength determination of m20 grade concrete

A: Compressive strength of M20:

Q: What is compressive strength of m30 concrete mix??

A: Compressive strength of concrete is determined by the cracterstics strength after 28 days.

Q: Which type of mortar has the highest strength and where is it used?

A: The Following type of Mortar is present Type M Mortar Type S Mortar Type N Mortar Type O Mortar

Q: When is the Concrete susceptible to cracking?

A: Concept: Complete/incomplete separation of concrete into two or more parts as a result of fracturing…

Q: Identify and describe types of concrete-reinforcing materials.

A: Answer Reinforcement in concrete is the mixture of sand, gravel, small stone mixed with the cement…

Q: Calculate the strength reduction factor

A:

Q: SCC and Plain Concrete What is slag and why do we use it

A: 1.SCC- SSC means self compacting concrete also known as Self consolidation concrete, it is special…

Q: Define the abaqus method for modeling reinforced concrete.

A: When modeling the concrete in most of the situations we probably needed to define the steel…

Q: 2- Calculate the resisting moment of the following beam. fy=360 MPa No. 30 fc= 40 MPa 450 No. 34 0 0…

A: Given DataB=300D=450+65=515d=450Fy=360 MPaFc=40 MPawe always try to design limiting sectionXu=depth…

Q: What are the four major factors affecting the bond strength of mortar and why is this important?

A: Answer  Four Major factors which affects the bond strength of mortar are as follows 1) Compressive…

Q: Give 10 types of concrete admixtures. Discuss it briefly.

A: Different types of admixtures are briefly discussed below: 1. Water reducing admixture: These are…