Supplementary cementitious materials: New sources, characterization, and performance insights

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Design And Control Of Concrete Mixtures

A review of waste products utilized as supplements to Portland cement in concrete

Cement industry greenhouse gas emissions – management options and abatement cost

High-performance concretes are made with carefully selected high-quality ingredients and optimized mixture designs; these are batched, mixed, placed, compacted and cured to the highest industry standards. Typically, such concretes will have a low water-cementing materials ratio of 0.20 to 0.45. Plasticizers are usually used to make these concretes fluid and workable. High-performance concrete almost always has a higher strength than normal concrete. However, strength is not always the primary required property. For example, a normal strength concrete with very high durability and very low permeability is considered to have highperformance properties. Bickley and Fung (2001) demonstrated that 40 MPa (6,000 psi) highperformance concrete for bridges could be economically made while Fig. 17-1. High-performance concrete is often used in bridges (left) and tall buildings (right). (70017, 70023) High-performance concrete (HPC) exceeds the properties and constructability of normal concrete. Normal and special materials are used to make these specially designed concretes that must meet a combination of performance requirements. Special mixing, placing, and curing practices may be needed to produce and handle high-performance concrete. Extensive performance tests are usually required to demonstrate compliance with specific project needs (ASCE 1993, Russell 1999, and Bickley and Mitchell 2001). High-performance concrete has been primarily used in tunnels, bridges, and tall buildings for its strength, durability, and high modulus of elasticity (Fig. 17-1). It has also been used in shotcrete repair, poles, parking garages, and agricultural applications. High-performance concrete characteristics are developed for particular applications and environments; some of the properties that may be required include:

High performance concrete

Supplementary cementitious materials origin from agricultural wastes - A review

Structural lightweight aggregate concrete using two types of waste from the palm oil industry as aggregate

Performance evaluation of palm oil clinker as coarse aggregate in high strength lightweight concrete

Characteristics of palm oil clinker as replacement for oil palm shell in lightweight concrete subjected to elevated temperature

Ductility performance of lightweight concrete element containing massive palm shell clinker

Syamsul Bahri

Papers

Supplementary cementitious materials origin from agricultural wastes - A review

Structural lightweight aggregate concrete using two types of waste from the palm oil industry as aggregate

Performance evaluation of palm oil clinker as coarse aggregate in high strength lightweight concrete

Characteristics of palm oil clinker as replacement for oil palm shell in lightweight concrete subjected to elevated temperature

Ductility performance of lightweight concrete element containing massive palm shell clinker