John, Author at Building and Construction

ADA Compliance in Construction: A Comprehensive Guide to Americans with Disabilities Act Standards for Accessible Building Design

The Americans with Disabilities Act (ADA) represents the most comprehensive civil rights legislation affecting building design and construction in the United States. Signed into law in 1990 and significantly amended in 2008 and 2010, the ADA establishes enforceable standards for accessible design that apply to all newly constructed commercial facilities, public accommodations, and state and […]

Concrete Moisture and Vapor Test on Floors and Slabs

Concrete moisture and vapor tests are conducted to examine the presence and quantity of moisture in concrete floors and slabs. This is because moisture in concrete cause several problems for instan

Concrete Laitance- Causes, Removal, vs Efflorescence

Concrete laitance is a layer of weak and nondurable cement and fine particles originated from aggregate. These materials are moved upward due to movement of moisture (bleeding) through concrete bec

Interpretation of Concrete In-Situ Test Results for Structural Strength Assessment

Concrete in-situ test results interpretation is important for structural strength assessment. Concrete test results interpretation consists of three stages from which proper conclusion are develope

Concrete Gutter Construction- Methods and Work Procedure

Gutter is a concrete component that constructed beside pavements. The function of concrete gutter is to discharge water and prevent it to infiltrate beneath the pavement. Moreover, not only does it

What to Do if Concrete Cylinder Test Fails at 28 Days?

The failure of the concrete cylinder test at 28 days occurs due to several factors like improper casing and curing of specimens and an incorrect mix of concrete used for construction. The cause of

Practical Tips for Using Concrete Vibrators in the Field

Vibration is one of the methods used to consolidate poured concrete to achieve required density and, subsequently, the designated concrete strength. Vibrators (internal and external or shutter vibr

BEHAVIOUR OF CONCRETE UNDER TENSION

Concrete is not normally designed to resist direct tension. However, tensile stresses develops in concrete members as a result of flexure, shrinkage and temperature changes. Principal tensile stres

Protective Systems for Reinforced Concrete Structures

Reinforced Concrete Structures Protective Systems The objective of providing a protection system is to extend the life of the structure and to reduce the number of future repairs and the rate of de

Assessment of Concrete Structures Damage & Preparation of Report

Concrete Deterioration and Performance of Structures Everyone feels happy and proud if the appearance of the concrete structure is good at the completion. However good looking concrete may not be s