Latex-modified Concretes and Mortars
Transportation Research Board, 1992 - 58 pagina's
This synthesis wil be of interest to materials engineers, construction engineers, maintenance engineers, pavement contractors and others interested in the use of latex-modified mortars (LMM) and concretes ( LMC). Information is provided on material properties of various LMM and LMC, as well as current construction practices used for LMM and LMC. Potential applications for LMM and LMC are also included. The use of innovative modified portland cement mortars and concretes for construction and maintenance applications is growing. This report of the Transportation Research Board describes the current state of the practice with respect to the use of latex-modified portland cement concretes and mortars. The extent of use of each material (including case histories), based on results of surveys of state highway agencies and a review of the literature, is summarized.
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CHAPTER THREE MATERIALS AND MIXTURE PROPORTIONS
CHAPTER FOUR PROPERTIES OF LATEXMODIFIED MORTARS
CHAPTER SIX CONSTRUCTION PRACTICES AND SPECIFICATIONS
CHAPTER NINE OBSERVATIONS CONCLUSIONS
Overige edities - Alles weergeven
achieved acrylic added addition adhesion Administration aggregate air content applications Based bond bridge decks carbonation CEMENT RATIO chemical compressive strength concrete overlays conducted construction cost cretes curing Department depends determined developed drying durability effect engineers experiences FIGURE finishing flexural strength formation given higher Highway hydration improved increase initial latex latex-modified concrete latex-modified mortars latex/cement less lower materials measured method Michigan mixing mixture proportions modified concrete modified mortars mortars and concretes overlays particles percent performance permeability placed polymer polymer/cement ratio portland cement problems procedures projects properties recommended reduced repair reported Research resistance Sand shotcrete showed shown in Figure shrinkage similar slump solids specifications stability standard steel structures styrene-butadiene surface surface tension survey Table temperature tion Transportation typical unmodified various water/cement ratio weather weight workability
Pagina 57 - The Board's purpose is to stimulate research concerning the nature and performance of transportation systems, to disseminate information that the research produces, and to encourage the application of appropriate research findings. The Board's program is carried out by more than 270 committees, task forces, and panels composed of more than 3.300 administrators, engineers, social scientists, attorneys, educators, and others concerned with transportation; they serve without compensation.
Pagina 57 - Board's program is carried out by more than 270 committees, task forces, and panels composed of more than 3,300 administrators, engineers, social scientists, attorneys, educators, and others concerned with transportation; they serve without compensation. The program is supported by state transportation and highway departments, the modal administrations of the US Department of Transportation, the Association of American Railroads, the National Highway Traffic Safety Administration, and other organizations...