Matches 1 - 50 out of 71 1 2 >


Match Document Document Title
US20100326326 CONCRETE COMPOSITION  
A ductile ultra-high performance concrete which includes in relative parts by weight: 100 of Portland cement; 50 to 200 of a sand having a single grading with a D1O to D90 between 0.063 and 5 mm,...
US20150144031 CONCRETE MIX COMPOSITION, MORTAR MIX COMPOSITION AND METHOD OF MAKING AND CURING CONCRETE OR MORTAR AND CONCRETE OR MORTAR OBJECTS AND STRUCTURES  
The invention comprises a method of making a cement-based object or structure having a compressive strength greater than about 1,000 psi. The method comprises placing a cement-based material in an...
US20140083333 CONCRETE MIX COMPOSITION, MORTAR MIX COMPOSITION AND METHOD OF MAKING AND CURING CONCRETE OR MORTAR AND CONCRETE OR MORTAR OBJECTS AND STRUCTURES  
The invention comprises a method of making a cement-based object or structure having a compressive strength greater than about 1,000 psi. The method comprises placing a cement-based material in an...
US20130119576 CONCRETE MIX COMPOSITION, MORTAR MIX COMPOSITION AND METHOD OF MAKING AND CURING CONCRETE OR MORTAR AND CONCRETE OR MORTAR OBJECTS AND STRUCTURES  
The invention comprises a method of making a cement-based object or structure having a compressive strength greater than about 1,000 psi. The method comprises placing a cement-based material in an...
US20150251952 LOW-DENSITY HIGH-STRENGTH CONCRETE AND RELATED METHODS  
A low-density, high-strength concrete composition that is both self-compacting and lightweight, with a low weight-fraction of aggregate to total dry raw materials, and a highly-homogenous...
US20130104779 UTILIZATION OF HEAVY OIL ASH TO PRODUCE HIGH QUALITY CONCRETE  
A concrete mixture that includes aggregates, water and cement can include heavy oil ash instead of or in addition to a portion of the cement. In one embodiment, the heavy oil ash originates from...
US20150166414 CEMENTITIOUS MATRIX AND FIBER REINFORCED CEMENT BASED MIXTURE  
A cementitious matrix in which the development of early strength is fast, the hydration heat temperature is small, and the amount of shrinkage during curing is small, while keeping the fluidity...
US20120037045 HIGH OR ULTRA-HIGH PERFORMANCE CONCRETE  
A binder premix includes from 0.2% to 63% of a material of an ultrafine particle size category, including individual particles with a D90 value less than 1 μm and/or with a BET specific surface...
US20110000400 Well Cement Compositions Comprising Biowaste Ash and Methods of Use  
Cement compositions containing biowaste ash and methods of cementing in subterranean formations using such cement compositions. Examples of suitable biowaste ash include agricultural waste ash,...
US20130074736 Chemical Admixtures for Hydraulic Cements  
This invention relates to a new class of chemical admixtures for hydraulic cement compositions such as pastes, mortars, grouts and concretes. The cement compositions are comprised of ordinary...
US20120024198 CONCRETE WITH A LOW CLINKER CONTENT  
A dry binder premix includes, in mass proportions: Portland clinker having a Blaine specific surface area comprised from 4500 to 9500 cm2/g, the minimum quantity of the clinker by mass percentage...
US20110283922 HIGH STRENGTH CEMENT, MORTAR AND CONCRETE INCLUDING INDUSTRIAL BY-PRODUCTS  
Cementitious compositions in which the cementitious properties of fly-ash are carefully controlled. The cementitious compositions may be substantially free harsh acids and bases such as citric...
US20120152541 Compositions and Methods for Well Completions  
Well-cementing compositions for use in high-pressure, high-temperature (HPHT) wells are often densified, and contain weighting agents such as hematite, ilmenite, barite and hausmannite. The...
US20150020714 HYDRAULIC COMPOSITION WITH LOW CLINKER CONTENT  
A hydraulic binder including in parts by mass: (a) 40 to 70 parts of a Portland clinker;(b) 30 to 60 parts of fly ash;(c) optionally up to 30 parts of an inorganic material other than clinker or...
US20150135997 INTERNAL CURING COMPOSITION FOR CONCRETE MIXTURES  
A cementitious mixture including drinking water treatment waste (DWTW) solids, an aggregate, cement and water exhibits improved cement hydration, compressive strength and mitigated autogenous...
US20140041553 CO2-SEQUESTERING FORMED BUILDING MATERIALS  
CO2-sequestering formed building materials are provided. The building materials of the invention include a composition comprising a carbonate/bicarbonate component. Additional aspects of the...
US20110048285 PRE-BLEND CEMENT COMPOSITIONS CONTAINING PULVERIZED FLY ASH OR BOTTOM ASH  
The present invention relates to the field of settable compositions for general purpose concrete mixes, and more particularly to settable compositions containing pulverized fly ash and/or bottom...
US20130087078 Anhydrous Calcium Sulfate-Containing Inorganic Polymer Compositions and Methods of Making Same  
Inorganic polymer compositions and methods for their preparation are described herein. The compositions include the reaction product of a reactive powder, anhydrous calcium sulfate, an activator,...
US20150232381 METHODS AND COMPOSITIONS FOR CONCRETE PRODUCTION  
The invention provides compositions and methods directed to carbonation of a cement mix during mixing. The carbonation may be controlled by one or more feedback mechanisms to adjust carbon dioxide...
US20120145046 ENGINEERED CEMENT INCORPORATING SCMs AND METHODS FOR MAKING AND USING SAME  
Engineered cements are described that include an engineered clinker fraction designed for use with one or more supplementary cementitious material (“SCM”) fractions. The engineered clinker...
US20150210592 REACTIVE LIMESTONE AS A STRATEGY TOWARDS SUSTAINABLE, LOW-CARBON CEMENTS  
A manufacturing process of a “low cement content” concrete includes: (1) forming a cementitious mixture by combining a cement, a carbonate source, and an aluminous source; and (2) curing the...
US20120111236 REDUCED-CARBON FOOTPRINT COMPOSITIONS AND METHODS  
Reduced-carbon footprint compositions, and methods for making and using the same, are provided. Aspects of the reduced-carbon footprint compositions include producing carbonate compositions from...
US20130206041 METHOD FOR RECYCLING WASTE WATER FROM A STAINLESS STEEL SLAG TREATMENT PROCESS  
The present invention relates to a method for recycling waste water from a stainless steel slag treatment process wherein stainless steel slag is brought into contact with water, in particular to...
US20090283018 White Pozzolan Manufactured from Post-Consumer Waste Glass, Products Incorporating the Same and Methods of Manufacturing the Same  
A clean dry white glass powder useful as a substitute for Portland cement in concrete, in paints, and for other known uses for glass powder produced conventionally can be produced from unsorted...
US20140245931 Treatment of fly ash contaminated with activated carbon  
Fly ash contaminated with activated carbon is treated to neutralize the activated carbon by placing the contaminated fly ash in a rotary mill and introducing ozone. The result is that entrained...
US20150107492 RAPID HYDRAULIC BINDER COMPRISING A CALCIUM SALT  
A hydraulic binder includes a Portland clinker having a Blaine specific surface of 4000 to 5500 cm2/g, from 2.5 to 8% of sulphate expressed by mass of SO3 relative to the mass of clinker, from 1.5...
US20150197449 SUPPLEMENTARY CEMENTITIOUS MATERIAL AND METHOD FOR DISPOSING OF ELECTRIC-ARC FURNACE DUST (EAFD)  
The present invention contemplates a cementitious additive that contains electric-arc furnace dust (EAFD) and a precursor as a replacement for up to about 30% of the cement in concrete. The...
US20140165880 SUPPLEMENTARY CEMENTITIOUS MATERIAL AND METHOD FOR DISPOSING OF ELECTRIC-ARC FURNACE DUST (EAFD)  
The present invention contemplates a cementitious additive that contains electric-arc furnace dust (EAFD) and a precursor as a replacement for up to about 30% of the cement in concrete. The...
US20130192493 NARROW PSD HYDRAULIC CEMENT, CEMENT-SCM BLENDS, AND METHODS FOR MAKING SAME  
Hydraulic cements, such as Portland cements and other cements that include substantial quantities of tricalcium silicate (C3S), dicalcium silicate (C2S), tricalcium aluminate (C3A), and/or...
US20120012034 NARROW PSD HYDRAULIC CEMENT, CEMENT-SCM BLENDS, AND METHODS FOR MAKING SAME  
Hydraulic cements, such as Portland cements and other cements that include substantial quantities of tricalcium silicate (C3S), dicalcium silicate (C2S), tricalcium aluminate (C3A), and/or...
US20080066653 OPTIMIZED CONCRETE COMPOSITIONS  
Design optimization methods can be used to design concrete mixtures having optimized properties, including desired strength and slump at minimal cost. The design optimization methods use a...
US20070181040 High Early Strength Engineered Cementitious Composites  
Rapid repair and retrofit of existing infrastructures demand durable high early strength materials that not only deliver sufficient strength within a few hours of placement but also significantly...
US20100313795 HIGH EARLY STRENGTH POZZOLAN CEMENT BLENDS  
A high early strength pozzolan cement includes larger sized pozzolan particles blended with smaller sized hydraulic cement particles containing tricalcium silicate and/or dicalcium silicate (e.g.,...
US20100147196 APPARATUS AND METHOD FOR ADDING WET ASH TO CEMENT  
An apparatus and a method for adding wet ash to cement which make it possible to fed wet ash to a cement mill without generating cost for drying the wet ash and new setting space at the...
US20140230696 TERNESITE USED AS AN ADDITIVE IN PORTLAND CEMENT  
The present invention relates to the production of ternesite clinkers containing 20 to 100% by weight C5S2$ and less than 15% by weight C4A3$, and to the use of ternesite as an additive to...
US20100212551 FORMULATION, UTILISATION AND PROCESS TO OBTAIN A LIGHTWEIGHT STRUCTURAL CONCRETE  
A lightweight structural concrete includes a hydraulic binder; effective water; a superplasticizer; and aggregates; the concrete having a density in the fresh state varying from 1.40 to a Dmax...
US20100000346 Air-curing expanded concrete composed of binder-containing mixtures  
The invention relates to an expanded concrete composed of binder-containing mixtures, preferably having binders composed of Portland cement as specified in DIN EN 197 or of mixtures of hydraulic,...
US20120298011 SUPPRESSION OF ANTAGONISTIC HYDRATION REACTIONS IN BLENDED CEMENTS  
Method for suppressing antagonistic hydration reactions in Portland fly ash cement involves the use of unponded fly ash that is pre-hydrated, preferably as an aqueous slurry wherein fly ash,...
US20140299023 HIGH EARLY STRENGTH CEMENT-SCM BLENDS  
Hydraulic cements, such as Portland cements and other cements that include substantial quantities of tricalcium silicate (C3S), dicalcium silicate (C2S), tricalcium aluminate (C3A), and/or...
US20130048284 CARBON DIOXIDE-RESISTANT PORTLAND BASED CEMENT COMPOSITION  
The invention provides a carbon dioxide-resistant hydraulic cement composition. The inventive composition comprises a Portland cement, Class C fly ash and water. The Class C fly ash is present in...
US20100058957 PREVIOUS CONCRETE COMPRISING A GEOPOLYMERIZED POZZOLANIC ASH BINDER  
A process for making a pervious concrete comprising a geopolymerized pozzolanic ash. Generally, the process includes mixing a solid aggregate and a geopolymerized pozzolanic ash binder together to...
US20100192809 PORTLAND CEMENT TO WHICH TEXTURED POZZOLANS ARE ADDED  
The invention relates to different compounds of Portland cement to which textured pozzolans are added, said compounds being obtained by known physical atomisation, palletisation, granulation...
US20070227397 Sealing agent for waterproof barriers  
The sealing agent for waterproof barriers in the form of a clay and cement suspension made of polymineral clays, characterized by the fact that it contains 3-15% parts by weight of cement, up to...
US20140251186 FLY ASH ZINC OXIDE CEMENT  
The present description is directed to a cement or cementitious mixture that includes fly ash, zinc oxide and borate. Importantly, the cementitious mixture includes greater than 50% of fly ash by...
US20100154678 DUAL FUNCTION CEMENT ADDITIVE  
The use of silicate as a retarder enhancer at appropriate levels to enhance the retarding effect of retarders at high temperatures encountered downhole while accelerating the set of cement at...
US20090158969 CONCRETE OPTIMIZED FOR HIGH WORKABILITY AND HIGH STRENGTH TO CEMENT RATIO  
A concrete composition having a 28-day design compressive strength of 4000 psi and a slump of about 5 inches is optimized to have high workability and a high strength to cement ratio. The concrete...
US20150144030 PARTICLE PACKED CEMENT-SCM BLENDS  
Cement-SCM blends employ particle packing principles to increase particle packing density and reduce interstitial spacing between the cement and SCM particles. Particle packing reduces the amount...
US20110290493 Compositions And Methods For Completing Subterranean Wells  
Disclosed are compositions and methods for providing fluid-loss control in subterranean wells. Well-completion fluids contain fine particulate additives whose glass-transition temperatures are...
US20110088598 Cementitious compositions and related systems and methods  
Provided are cementitious compositions and related systems and methods. The cementitious compositions, or admixtures, according to the present invention generally comprise gypsum, a first alkaline...
US20100242804 METHOD FOR REDUCING THE PARTICLE SIZE OF A POZZOLAN  
A method for reducing the particle size of a pozzolanic material includes providing a pozzolanic material having an initial particle size and heating the pozzolanic material to cause a portion of...

Matches 1 - 50 out of 71 1 2 >