The geotechnical properties of cement added class-F fly ash have been investigated to assess the potential utilization of stabilized fly ash as embankment material. The engineering properties of the cement stabilized class-F fly ash studied include the compaction, strength characteristics and the durability as measured by wetting and drying tests....
Geotechnical Properties of Cement Stabilized Class-F Fly Ash
High-Volume Fly Ash Concrete for Concrete Pavements
This paper presents the data on the properties of fresh and hardened concrete made with replacement of the Portland cement by fly ash, from a thermal power plant in Turkey, up to large volumes (55%). The investigated parameters are water requirement for a given slump, air content, setting time of...
Use of Recycled Aggregates in Whitetopping with Addition of Automotive Tires Scraps
The paper presents the results of a study about the use of recycled tire and building materials in concrete for whitetopping on asphalt concrete paving. This report presents the results of laboratory experiments and field tests. These results were obtained with concretes using substitution ratios of 15% to 20% by...
Recycling with Cement on the Motorway Salzburg-Vienna
A recycling concept has been used since 1991 for reconstructing 120 km of carriageway on the concrete motorway Salzburg - Vienna: The old concrete is crushed and the coarse material used as the aggregate for the new concrete pavement. The fine fraction is added to the old granular subbase thus...
Processes of Structure Formation and Properties of Cement Stone with Polymer Additives and Disperse Reinforcement for the Repairs of Road Pavements
The addition of special polymer additives and dispersc reinforcement can improve the physicomechanical properties of cement stone being used in road construction.
Use of Crack and Seat in Concrete Pavement Rehabilitation a Case Study
This paper describes the processes carried out in the crack and seat of an existing concrete pavement on the M40 Motorway in England.
The Use of Crushed Concrete Aggregate in Concrete for An Industrial Road at Ouffet
In standard specifications 300 of 1994 (CCT 300) issued by the Ministry of the Walloon Region, permission is granted in the chapter dealing with cement concrete surfaces of roads belonging to roads with light traffic, to replace a maximum of 50 % of the granulates with crushed stones. The aim...
Prediction of Soil-Cement Strength Gain
Prediction of the strength gain of soil - cement mixtures to be used as base or sub-base of roads is of practical importance. It is necessary to know with good approximation the strength developed under the 'in-Situ' curing conditions for a given age. This research work has studied the application...
Non-Clinker Slag Binder
The solution of questions of using slag as a binder material vit1i different catalysts is highly actual, since it helps in broadening the nomenclature of binder materials. increases qualth' and durability of products containing these stags. Ecological problems of regions vitIi developed metallurgical industries are solved as well.
Thin White Topping in Vienna
Conventional maintenance of rutted asphalt roads means resurfacing in short intervals or substitution of thick layers. Therefore, a new repair method was tested: Milling the top of the existing asphalt pavement, cleaning the surface and plaeing a dan layci of high performance concrete. The behaviour of the composite structure was...
Computer Aided Design for Flexible Pavements of Concrete Bricks
This paper describes computer aided design (CAD) software and methods employed for effective design of flexible pavements with concrete bricks. Pavements consisting of concrete bricks allow many different patterns to be used. An area which is to be paved with concrete bricks is divided into a number of subdomains which...
The Belgian Experience with Stabilisation by Recycling in Situ with Cement
The paper presents the progress to date of various worksites where stabilisation by recycling in situ with cement has been applied. This technique, which is the best way of recycling the existing road, consists in fact in mixing on site cement with the readily available crushed stones. It requires little...