CALL US

+86 17838360708

high performance concrete mixtures for spuncast concrete

high performance concrete mixtures for spuncast concrete

High Performance Concrete Mixtures for Spun-Cast Concrete ...

High performance concrete (HPC) mixtures of different strength characteristics using two types of coarse aggregates were spun in a specially designed spinning machine and tested for strength, differential shrinkage and durability. Low water-cementitious ratio,

get price

HIGH PERFORMANCE CONCRETE MIXTURES FOR SPUN-CAST

High performance concrete (HPC) mixtures of different strength characteristics using two types of coarse aggregates were spun in a specially designed spinning machine and tested for strength, differential shrinkage and durability. Low water cementitious ratio, addition of silica fume for up to 10% of the weight of cement and the use of ...

get price

High-Performance Concrete, Chapter 17 - Memphis

CONCRETE High-early-strength concrete, also called fast-track concrete, achieves its specified strength at an earlier age than normal concrete. The time period in which a speci-fied strength should be achieved may range from a few 300 Design and Control of Concrete Mixtures EB001 Table 17-1. Materials Used in High-Performance Concrete

get price

Application of fiber reinforced high performance ...

High performance concrete (HPC) mixtures of different strength characteristics using two types of coarse aggregates were spun in a specially designed spinning machine and tested for strength ...

get price

Optimizing Concrete Mixtures for Performance and ...

Optimizing Concrete Mixtures for Performance and Sustainability 1 INTRODUCTION Consensus-based industry standards in the U.S. do not include requirements for minimum cementitious materials content for concrete mixtures for the most partThere is no such . requirement in the ACI 31814. ACI 30110 has minimum cementitious materials content - -

get price

High-Performance Concrete, Chapter 17 - Memphis

CONCRETE High-early-strength concrete, also called fast-track concrete, achieves its specified strength at an earlier age than normal concrete. The time period in which a speci-fied strength should be achieved may range from a few 300 Design and Control of Concrete Mixtures EB001 Table 17-1. Materials Used in High-Performance Concrete

get price

Research Project No. 682 Development of High

Development of High-Strength/High Performance Concrete/Grout Mixtures for Application in Shear Keys in Precast Bridges 5. Report Date August 2014 6. Performing Organization Code 7. Author(s) Prasada R. Rangaraju, Harish Kizhakkumodom, Zhengqi Li and Scott D. Schiff 8. Performing Organization Report No. 9. Performing Organization Name and Address

get price

Application of fiber reinforced high performance ...

High performance concrete (HPC) mixtures of different strength characteristics using two types of coarse aggregates were spun in a specially designed spinning machine and tested for strength ...

get price

"PROPORTIONING AND PROPERTIES OF ULTRA-HIGH PERFORMANCE ...

Ultra-high performance concrete (UHPC) is defined as a cementitious based composite material with compressive strengths above 150 MPa, pre-and post-cracking tensile strengths above 5 MPa, and enhanced durability. To achieve desired properties, UHPC is typically produced with low water-cementitious materials (w/cm) ratio (i.e. w/cm 1000

get price

High performance composites in spun-cast elements ...

Nov 01, 2007  The reinforcement of the concrete in such elements with steel bars is time consuming and expensive, susceptible to corrosion and leads to relatively thick and heavy structural elements. The substitution of the steel bars with high performance short-fibers may allow thinner, lighter and less expensive elements.

get price

A NEW MIX DESIGN METHOD FOR HIGH PERFORMANCE CONCRETE ...

Aug 24, 2016  High performance concrete (HPC) has become more popular in recent years. However, mix proportioning of HPC is a more critical process than normal strength concrete (NSC).

get price

Flexural design of precast, prestressed ultra-high ...

that mixtures produced and mixed in conventional precast concrete plants can provide ultra-high-performance concrete (UHPC) with the properties specified for the project at a fraction of the cost of prebagged materials available in the U.S. market. An example of a mixture used by one of the precast concrete companies consisted, per cubic yard (per

get price

Mechanical properties and durability of high- performance ...

Proposed high-performance concrete mixture proportions for mixture 1 and mixture 2 Concrete component Mixture 1 Mixture 2 Portland cement Type I or I/II 315 kg/m 3 to 345 kg/m3 345 kg/m to 373 kg/m3 Coarse aggregate 19 mm maximum size (no. 67/CA11) crushed stone 19 mm maximum size (no. 67/CA11) crushed stone ...

get price

High-performance precast concrete elements for overhead ...

The developed ultra-high performance spun concrete (UHPSC) is based on a further development of the mix design for high-performance spun concretes up to C100/115, which have already been approved by building authorities for the production of poles, columns, and beams [9]. The basic materials for the UHPSC are standard cement, sand and basalt ...

get price

Development of a novel pole using spun-cast concrete ...

Abstract. This paper introduces a novel pole consisting of spun-cast concrete inside glass-fiber-reinforced polymer (GFRP) tubes (SCFTs). The GFRP tube is intended to replace all or part of the steel reinforcement. It confines and protects the thin concrete wall and any steel reinforcement used. This novel concept emerged after studying two ...

get price

ROLE OF FLY ASH AND SILICA FUME ON COMPRESSIVE

in high performance concrete a set of 23 different concrete mixture were cast and tested with different cement replacement levels (0%, 2.5%, 5%, 7.5%, 10% and 12.5%) of Fly ash (FA) with ... A total of 23 Concrete Mixtures were designed as per IS 10262 -2009 having a constant water binder ratio of 0.30 and total binder content of 474 kg / m3 ...

get price

precast concrete production suppliers in funter BHS ...

Ammann concrete mixing plants are built with high-quality materials and engineered to guarantee component life. The plants are designed for high productivity and are available in stationary, semi-mobile and fully mobile versions. Other options include precast component and high performance plants.

get price

Precast Concrete Panels Concrete Precast Concrete

We specialise in design and manufacture of precast concrete wall panels, pre stressed concrete panels, columns, bridge beams and abutments, Super Tee, Double Tees, hollowcore, culverts, underpasses, motorway barriers, seawall blocks and more, and can provide a decorative finish or to specific architectural design.

get price

Structural Concrete 01/2014 Free Sample Copy by Ernst ...

Mar 17, 2014  It was shown that the compressive strength and tensile splitting strength of NAC and RAC made with 10 % silica fumes and 15 % metakaolin were higher than the other corresponding concrete mixtures

get price

NISTIR 6475 Mechanical Properties of High Performance ...

properties for specimens from each concrete mixture. Figure 1 shows a typical concrete specimen. 2.1 CONCRETE MIXTURE FORMULATIONS Four different concrete mixtures (identified as I, II, III, IV) were used in this study. Of these formulations, mixtures I, II, and III were high performance concrete, and mixture IV was conventional normal-strength ...

get price

High-Performance Concrete, Chapter 17

CONCRETE High-early-strength concrete, also called fast-track concrete, achieves its specified strength at an earlier age than normal concrete. The time period in which a speci-fied strength should be achieved may range from a few 300 Design and Control of Concrete Mixtures EB001 Table 17-1. Materials Used in High-Performance Concrete

get price

Ultra-high-performance concrete: A game changer in the ...

Ultra-high-performance concrete (UHPC) and conventional concrete (CC) tensile behavior differs greatly under flexural loading. Courtesy of e.construct USA. The primary constituents of ultra-high-performance concrete mixtures are portland cement, supplementary cementitious materi-als, fine sand, fiber reinforcement, and high-range water-reducing ...

get price

Design and Performance of Cost-Effective Ultra High ...

for the selected concrete mixtures with different mixture compositions and performance characteristics. Results indicate that, based on both deterministic and probabilistic results, UHPC overlay with minimum 25 mm (1 in.) thickness is a more cost-effective

get price

NON-INVASIVE PERMEABILITY ASSESSMENT OF HIGH-

Non-Invasive Permeability Assessment of High-Performance Concrete Bridge Deck Mixtures James W. Bryant, Jr. Abstract Concrete construction methods and practices influence the final in-place quality of concrete. A low permeability concrete mixture does not alone ensure quality in-place concrete. If the concrete mixture is not transported, placed ...

get price

(PDF) Mix Design of High-performance Concrete

Also, a standard mixture design for high performance concrete does not exist -for each specific application a different mixture design is required. [6] For the present study, experimental work is ...

get price

Design of Ultra High performance Concrete as an Overlay in ...

using ultra-high performance concrete (UHPC) can provide significant improvement in durability and service life of the overlay pavement. In addition, the absence of mechanical consolidation due to the high fluid nature of the UHPC materials can reduce construction time for

get price

Copper slag as fine aggregate for high performance concrete

aggregates on the strength, setting time and durability of concrete mixtures was also studied by Toshiki et al. [4]. Recently, Demirboğa and Gül [5] used blast furnace slag aggregates to produce high strength concrete. Different water/cement ratios were used to determine the 7- and 28-day compressive strength and other properties.

get price

High strength concrete properties, admixture, and mix ...

High strength concrete is a useful material for high-rise buildings, long-span bridges, heavy-duty industrial floors, pre-stressed concrete, etc. Concrete is a mixture of cement, water, coarse and fine aggregates with or without chemical and mineral admixtures.

get price

Ultra-high performance concrete and fiber reinforced ...

Aug 25, 2011  Ultra-high performance concrete (UHPC) and ultra-high performance fiber reinforced concrete (UHP-FRC) were introduced in the mid 1990s. Special treatment, such as heat curing, pressure and/or extensive vibration, is often required in order to achieve compressive strengths in excess of 150 MPa (22 ksi). This study focuses on the development of UHP-FRCs without any special treatment and ...

get price

A review on ultra high performance concrete: Part I. Raw ...

Dec 30, 2015  Ultra high performance concrete (UHPC) refers to cement-based materials exhibiting compressive strength higher than 150 MPa, high ductility, and excellent durability.This paper reviews the theoretical principles, raw materials, mixture design methods, and preparation techniques for UHPC.

get price

Production methods for reliable construction of ultra-high ...

Aug 04, 2016  Past investigations have shown that q values of 0.25–0.30 may be used to design high-performance concrete, and that q values less than 0.23 yield more workable concrete mixtures . A number of UHPC mix designs are presented in Table 3 , and the corresponding size gradations (of their particulate matter) are presented in Fig. 3 .

get price

Environmental performance of ordinary and new generation ...

Dec 14, 2018  The development of concrete technology results in a new generation of cement-based concrete such as high-performance concrete, self-compacting concrete and high-performance, self-compacting concrete. These concretes are characterised by better parameters not only in terms of strength and durability but also rheology of the mixtures.

get price

Precast Concrete Panels Concrete Precast Concrete

We specialise in design and manufacture of precast concrete wall panels, pre stressed concrete panels, columns, bridge beams and abutments, Super Tee, Double Tees, hollowcore, culverts, underpasses, motorway barriers, seawall blocks and more, and can provide a decorative finish or to specific architectural design.

get price