Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
reactive powder concrete
Post: #1

Post: #2
what you want ? please use more words to describe......
if you want more information about reactive powder concrete..... i may try to fetch more....
The world production of cement in 2007 was about 2.6 billion tons, compared to just 10 million tons in 1990. Traditionally, concrete was understood as a mixture of cement, water and aggregate but in modern concrete other constituents may also be present such as mineral components, chemical admixtures and fibres. Normal and high strength concretes were developed in the early 1900s and 1950s, respectively, whereas the development of ultra-high- performance concrete known as reactive powder concrete (RPC) was originated in the mid 1990 Reactive powder concrete (RPC), is a composite material with compression strength up to 170 N/mm2 is presented. The components for the RPC mixture are cement, fine aggregate, steel fibers, silica fume and super-plasticizer. They are carefully selected to achieve the optimal mixture. As well as mechanical properties the durability parameters were can be test by(gas permeability test, capillary water test).due to very high compression strength RPC can be used for big spans.RPC also has superb durability parameters such as abrasion resistance and reduced chloride permeability.this durability enhancements decrease maintenance costs and lengthen the service life of a structure

read more
Post: #3
Reactive Powder Concrete

What is it?
What does it do?
What is its applicability?
What kind of research is being done on it?
Why should we care?
Where is it headed?

Current High Strength Concrete

High performance concrete can be made to have strengths in excess of 30,000-40,000 psi.

Use either a mix of superplasticizer, silica fume, and extra-hard aggregate (calcined bauxite or granite) or “Macro Defect Free polymer pastes”

Still brittle, low ductility

RPC Composition

RPC is able to obtain its improved properties by using a very dense mix, consisting of fine particles and fibers.
Low w/cm ratio : 0.16 to 0.24 (as low as 0.13)
Type 20M (like type II) Portland cement (no C3A less HoH)
Silica fume (25% by weight)
High dosages of superplasticizer
Fine quartz sand (150-600μm) (SG=2.75)
Steel fibers (2.5-10% by volume) for toughening
No rebar needed!
Cured in steam bath for 48 hrs @ 190ºF (88ºC) after initial set, placed under pressure at the molding stage

RPC Applications

RPC’s properties, especially its high strength characteristic suggests the material might be good for things needing lower structural weight, greater structural spans, and even in seismic regions, it outperforms normal concrete. Below are a few examples of real-world applications, though the future possibilities are endless.

First bridge that used RPC was a pedestrian bridge in Sherbrooke, Quebec, Canada. (33,000 psi ~230MPa) It was used during the early days of RPC production. Has prompted bridge building in North America, Europe, Australia, and Asia.
Portugal has used it for seawall anchors
Austrailia has used it in a vehicular bridge
France has used it in building power plants
Qinghai-Tibet Railway Bridge
Shawnessy Light Rail Transit Station

Basically, structures needing light and thin components, things like roofs for stadiums, long bridge spans, and anything that needs extra safety or security such as blast resistant structures
Post: #4
to get information about the topic "reactive powder concrete" full report ppt and related topic refer the link bellow
Post: #5
can you plz send me full seminar report on RPC

Important Note..!

If you are not satisfied with above reply ,..Please


So that we will collect data for you and will made reply to the request....OR try below "QUICK REPLY" box to add a reply to this page
Popular Searches: rpc 1,

Quick Reply
Type your reply to this message here.

Image Verification
Image Verification
(case insensitive)
Please enter the text within the image on the left in to the text box below. This process is used to prevent automated posts.

Possibly Related Threads...
Thread: Author Replies: Views: Last Post
  case study on vacuum dewatering concrete in pdf Guest 2 204 22-08-2016 10:38 PM
Last Post: Guest
Rainbow ppt on geopolymer concrete Guest 4 3,012 03-08-2016 10:59 AM
Last Post: jaseela123
  detergent powder from paddy husk pdf Guest 1 92 05-07-2016 10:03 AM
Last Post: visalakshik
  self curing concrete ppt Guest 1 123 18-06-2016 11:17 AM
Last Post: dhanyavp
  geopolymer concrete pdf project report Guest 1 153 11-06-2016 04:05 PM
Last Post: dhanyavp
  concrete technology book in hindi Guest 1 146 11-06-2016 04:03 PM
Last Post: dhanyavp
  ppt on natural fibers in concrete Guest 1 92 08-06-2016 04:35 PM
Last Post: dhanyavp
  corrosion of reinforcement in hvfa concrete seminar ppt Guest 1 82 13-05-2016 10:01 AM
Last Post: dhanyavp
Wink corrosion of reinforcement in hvfa concrete seminar Guest 1 90 13-05-2016 09:59 AM
Last Post: dhanyavp
Smile e waste used in concrete ppt Guest 2 121 12-05-2016 10:38 AM
Last Post: dhanyavp