درباره ما
AASHTO - American Association of State Highway and Transportation Officials: Recent submissions
Now showing items 741-760 of 2524
-
AASHTO M 290
Abstract: This specification covers acrylic prismatic reflectors and embossed aluminum frames used in cutout letters, symbols, and accessories on signing projects.
The values stated in SI units are to be regarded as the standard. -
AASHTO MEPDG
Abstract: PURPOSE OF MANUAL
This manual of practice presents information to guide pavement design engineers in making decisions and using the MEPDG for new pavement and rehabilitation design. The manual does not ... -
AASHTO HDG CHAPTER 6
Abstract: INTRODUCTION: An open channel is a conveyance in which water flows with a free surface and may be natural or constructed. Natural streams usually consist of a normal or low-flow channel and adjacent floodplains. For purposes ... -
AASHTO T 308
Abstract: This test method covers the determination of asphalt binder content of hot mix asphalt (HMA) by ignition at temperatures that reach the flashpoint of the binder in a furnace. The means of specimen heating may be the ... -
AASHTO T 136
Abstract: These methods cover procedures for determining the soil-cement losses, moisture changes, and volume changes (swell and shrinkage) produced by the repeated freezing and thawing of hardened soil-cement specimens. The specimens ... -
AASHTO R 42
Abstract: This standard practice provides the necessary quality assurance plan for control, verification, and acceptance of HMA pavement. It contains requirements for both quality control and acceptance.
This standard practice ...Subject(s) : Acceptance plan , acceptance testing , contractor acceptance , control charts , hot mix asphalt , percent within limits , quality assurance , quality control , stratified random sampling , Superpave , -
AASHTO TP 80
Abstract: This test method covers determination of the visual stability index of self-consolidating concrete (SCC), both in the laboratory and in the field. SCC is defined as a highly workable concrete that can flow through densely ...Subject(s) : Halo , SCC , segregation , self-consolidating concrete , slump flow , stability , Visual Stability Index , VSI , workability , -
AASHTO TP 74
Abstract: This test method covers determination of the passing ability (Note 1) of self-consolidating concrete (SCC) by the J-Ring method, both in the laboratory and in the field. SCC is defined as a highly workable concrete that ...Subject(s) : Flowability , passing ability , reinforcement , SCC , self-consolidating concrete , workability , -
AASHTO M 207M/M 207
Abstract: This specification covers reinforced elliptically shaped concrete pipe to be used for the conveyance of sewage, industrial wastes, and storm water, and for the construction of culverts.
Pipe designed for placement with ...