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Articles 1 - 30 of 31
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The Design Of Thin, Silica Sand-Asphalt, Wearing Surfaces For Highways And Bridges, Robert L. Florence
The Design Of Thin, Silica Sand-Asphalt, Wearing Surfaces For Highways And Bridges, Robert L. Florence
Kentucky Transportation Center Research Report
This study was performed at the Highway Materials Research Laboratory in Lexington, Kentucky. In this study the various sands were combined with a sphalt cement of penetration 60 to 70 and tested by the Marshall method to determine the physical characteristics of the mixtures. Other variables investigated were the hardness of the asphalt cement and the amount of mineral filler. A coefficient of friction was determined, by means of a laboratory testing device, for each of the mixtures.
Due to the promising results of the laboratory testing, and the successful re-surfacing of bridges with silica sand-asphalt mixtures in the New …
The Use Of Epoxy Resin For Sealing Cracks In A Reinforced Concrete Bridge, Milton Evans Jr.
The Use Of Epoxy Resin For Sealing Cracks In A Reinforced Concrete Bridge, Milton Evans Jr.
Kentucky Transportation Center Research Report
In the summer of 1958, a special formulation of epoxy resin was used to seal hairline cracks in the safety walks of the Levisa-Fork bridge at Paintsville, Kentucky. This bridge, a reinforced concrete box girder-type, Fig. 1, developed fine cracks soon after the falsework was removed. The cracks which were typically like those in Figs. 2 and 3, occurred in two areas, each extending about 30 ft. on either side of the center piers. They were through the full depth of the slab and ranged from about .005 in. to .031 in. in width. In all, there were 55 cracks …
Densely-Graded Aggregate Base, William B. Drake
Densely-Graded Aggregate Base, William B. Drake
Kentucky Transportation Center Research Report
No abstract provided.
The Effect Of Thermal Treatment On The Engineering Properties Of Clays, George R. Laughlin
The Effect Of Thermal Treatment On The Engineering Properties Of Clays, George R. Laughlin
Kentucky Transportation Center Research Report
Of the cohesive soils the property of plasticity is usually of the most concern to the engineer. The clay minerals rather than the clay size material present in a soil determine the degree and magnitude of plastic properties. In turn, the plasticity of the clay minerals varies according to their mineralogy and particle size. Of the various types of clay minerals present in a soil, only kaolinite, illite and montmorillonite occur in sufficient abundance to be of general engineering significance.
Much prior work has been performed to alter these plastic properties of clay soils. This has been accomplished in some …
Lean Concretes Using Kentucky's Dense Graded Aggregate (Portland Cement And Ss-1 Emulsified Asphalt), James H. Havens, Milton Evans Jr.
Lean Concretes Using Kentucky's Dense Graded Aggregate (Portland Cement And Ss-1 Emulsified Asphalt), James H. Havens, Milton Evans Jr.
Kentucky Transportation Center Research Report
Since the development of dense-graded aggregate base in Kentucky about 1952, there have been various conjectures about "auto-cementations" or "setting" of these materials when compacted and cured. In some cases, particularly when the material was limestone, they have developed rather surprising strengths, in the field as well as in the laboratory. Such displays of strength seem to be directly associated with curing (slow drying) and the possibility of re-deposition of small amounts of dissolved calcium carbonate as cement. If this is so, it might be surmised that bases which have not been "fixed" by curing and drying before surfacing may …
Progress Report On Calcium Chloride Maintained Traffic Bound Roads, George R. Laughlin
Progress Report On Calcium Chloride Maintained Traffic Bound Roads, George R. Laughlin
Kentucky Transportation Center Research Report
The object of this study is to evaluate the effectiveness of calcium chloride in maintaining traffic-bound roads. Various theses propose that the use of calcium chloride will minimize the loss of granular material from the base by reducing attrition and dusting; thereby aiding in stabilization. Such theses further suggest that when the proper amount of binder or soil mortar is present, calcium chloride will preserve a more uniform moisture condition within the soil-mortar and thus hold the aggregate in place and in a more stable condition. The primary purpose of the study is not to test these theses, but rather …
Discussion Of Manufactured Stone Sand, James H. Havens
Discussion Of Manufactured Stone Sand, James H. Havens
Kentucky Transportation Center Research Report
No abstract provided.
Dense Graded Aggregate Base Development, William B. Drake
Dense Graded Aggregate Base Development, William B. Drake
Kentucky Transportation Center Research Report
No abstract provided.
"Highway Research And User Benefit Analysis", M. Earl Campbell
"Highway Research And User Benefit Analysis", M. Earl Campbell
Kentucky's Annual Forum on Transportation
No abstract provided.
"The Aasho Highway Research Project", William N. Carey
"The Aasho Highway Research Project", William N. Carey
Kentucky's Annual Forum on Transportation
No abstract provided.
The Development Of A State-Wide Freeway System, Richard M. Zettel
The Development Of A State-Wide Freeway System, Richard M. Zettel
Kentucky's Annual Forum on Transportation
No abstract provided.
"Legal Problems Of Right-Of-Way Acquisition", Charles E. Skidmore
"Legal Problems Of Right-Of-Way Acquisition", Charles E. Skidmore
Kentucky's Annual Forum on Transportation
No abstract provided.
Summary Of Findings Of First International Skid Prevention Conference, Jack H. Dillard
Summary Of Findings Of First International Skid Prevention Conference, Jack H. Dillard
Kentucky's Annual Forum on Transportation
No abstract provided.
"Economic Impact Of Traffic Congestion On The Business Of A City", K. P. Vinsel
"Economic Impact Of Traffic Congestion On The Business Of A City", K. P. Vinsel
Kentucky's Annual Forum on Transportation
No abstract provided.
"Department Of Highways Assistance Available In Establishing City Traffic Patterns", William Galloway
"Department Of Highways Assistance Available In Establishing City Traffic Patterns", William Galloway
Kentucky's Annual Forum on Transportation
No abstract provided.
"Current Urban Design Standards", J. C. Cobb
"Current Urban Design Standards", J. C. Cobb
Kentucky's Annual Forum on Transportation
No abstract provided.
"Construction Of An Interstate Highway Project", John Avent
"Construction Of An Interstate Highway Project", John Avent
Kentucky's Annual Forum on Transportation
No abstract provided.
"Compaction Of Asphaltic Concrete", J. J. Laing
"Compaction Of Asphaltic Concrete", J. J. Laing
Kentucky's Annual Forum on Transportation
No abstract provided.
The Two New Interstate Bridges Across The Ohio River At Louisville, Kentucky, John H. Clark Iii
The Two New Interstate Bridges Across The Ohio River At Louisville, Kentucky, John H. Clark Iii
Kentucky's Annual Forum on Transportation
No abstract provided.
"The Theoretical Background Of Impact Factors For Highway Bridges", Hans Gesund
"The Theoretical Background Of Impact Factors For Highway Bridges", Hans Gesund
Kentucky's Annual Forum on Transportation
No abstract provided.
"The Influence And Function Of The Electronic Computer In Bridge Design", B. C. Fairchild, F. E. Staten
"The Influence And Function Of The Electronic Computer In Bridge Design", B. C. Fairchild, F. E. Staten
Kentucky's Annual Forum on Transportation
No abstract provided.
"Public Relations At The Local Levels", Bob Cox
"Public Relations At The Local Levels", Bob Cox
Kentucky's Annual Forum on Transportation
No abstract provided.
"Serious Problems Created By The Numerous Sub-Standard County Bridges", T. J. Hopgood
"Serious Problems Created By The Numerous Sub-Standard County Bridges", T. J. Hopgood
Kentucky's Annual Forum on Transportation
No abstract provided.
"Pressure Treated Wood For Highway Construction", C. Miles Burpee
"Pressure Treated Wood For Highway Construction", C. Miles Burpee
Kentucky's Annual Forum on Transportation
No abstract provided.
"A County Road Engineer With 15 Assistants!!", D. M. Humble
"A County Road Engineer With 15 Assistants!!", D. M. Humble
Kentucky's Annual Forum on Transportation
No abstract provided.
"Engineer Training And Recruitment", M. L. Archer
"Engineer Training And Recruitment", M. L. Archer
Kentucky's Annual Forum on Transportation
No abstract provided.
The Economic Impact Of The National Highway Program Of The State Of Kentucky, Louis W. Prentiss
The Economic Impact Of The National Highway Program Of The State Of Kentucky, Louis W. Prentiss
Kentucky's Annual Forum on Transportation
No abstract provided.
"Kentucky's Progress On The Interstate System", A. O. Neiser
"Kentucky's Progress On The Interstate System", A. O. Neiser
Kentucky's Annual Forum on Transportation
No abstract provided.
Kentucky Highway Conference Program [1959], Kentrucky Transportation Center
Kentucky Highway Conference Program [1959], Kentrucky Transportation Center
Kentucky's Annual Forum on Transportation
No abstract provided.
Re-Evaluation Of The Kentucky Flexible Pavement Design Criterion, William B. Drake, James H. Havens
Re-Evaluation Of The Kentucky Flexible Pavement Design Criterion, William B. Drake, James H. Havens
Kentucky Transportation Center Research Report
Prior to 1948, the criterion in Kentucky for designing the thickness of bituminous pavements was based upon a modified laboratory CBR and the 1942 curves developed by the California Department of Highways. In 1948, the Materials Research Laboratory reported: "An Investigation of Field and Laboratory Methods for Evaluating Sub-grade Support in the Design of Highway Flexible Pavement." Included in that report as a recommended method of thickness design for use in Kentucky was a set of curves based upon an empirical relationship between minimum laboratory CBR and observed pavement performance. These five curves accounted for traffic groups up to 10,000,000 …