درباره ما
AASHTO - American Association of State Highway and Transportation Officials: Recent submissions
Now showing items 1841-1860 of 2524
-
AASHTO M 295
Abstract: This specification covers coal fly ash and raw or calcined natural pozzolan for use in concrete where cementitious or pozzolanic action, or both, is desired or where other properties normally attributed to finely divided ... -
AASHTO R 56
Abstract: This practice describes a certification procedure for test equipment used to measure a longitudinal surface elevation profile of highways based on an inertial reference system that is mounted on a host vehicle. The minimum ... -
AASHTO T 40
Abstract: This practice applies to the sampling of bituminous materials at points of manufacture, storage, or delivery.
The values stated in SI units are to be regarded as the standard. The values given in parentheses are for ...Subject(s) : bituminous materials , crushed materials , liquid asphalts , powered materials , sampling , semisolid materials , uncrushed solid materials , -
AASHTO HB-17 DIVISION II SEC 8
Abstract: Description: This work shall consist of furnishing, placing, finishing, and curing concrete in bridges, culverts, and miscellaneous structures in accordance with these specifications and conforming to the lines, grades, ... -
AASHTO M 170M
Abstract: This specification covers reinforced concrete pipe intended to be used for the conveyance of sewage, industrial wastes, and storm water, and for the construction of culverts.
This specification is the metric counterpart ... -
AASHTO BM
Abstract: This manual indicates the type of problems normally experienced in each of the various bridge elements and identifies proper maintenance methods. Most problems can be prevented or minimized by timely preventive maintenance ... -
AASHTO MP 15
Abstract: This specification covers reclaimed asphalt shingle material used as an additive in hot mix asphalt (HMA). The use of reclaimed asphalt shingles in hot-in-place pavements, cold-in-place pavements, and cold recycled pavements ... -
AASHTO LRFDSEIS
Abstract: PREFACE
This second edition of the Guide Specifications for LRFD Seismic Bridge Design includes technical content approved by the Highways Subcommittee on Bridges and Structures through 2011. ... -
AASHTO HB-17 DIVISION II SEC 7
Abstract: DESCRIPTION: This work shall consist of furnishing and installing earth retaining systems in accordance with the plans, these specifications, and the special provisions.
Earth retaining systems include concrete and ... -
AASHTO GVCB AMD
Abstract: General
AASHTO has issued proposed interim revisions to Guide Specifications and Commentary for Vessel Collision Design of Highway Bridges, Second Edition (2009). This packet contains the ... -
AASHTO M 213
Abstract: This specification covers preformed expansion joint fillers having relatively little extrusion and substantial recovery after release from compression.
The values stated in SI units are to be regarded as the standard. ...Subject(s) : Bituminous , expansion joint , filler , joint , preformed , -
AASHTO T 332
Abstract: This method covers the procedures for determining acid-soluble chloride ions in concrete and concrete mix ingredients.
The age of concrete, mortar, or hydrated portland cement at the time of sampling will have an effect ... -
AASHTO T 312
Abstract: This standard covers the compaction of cylindrical specimens of asphalt mixtures using the Superpave gyratory compactor.
This standard may involve hazardous materials, operations, and equipment. This standard does ...