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AASHTO - American Association of State Highway and Transportation Officials: Recent submissions
Now showing items 281-300 of 2524
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English -- Standard Specification for Precast Reinforced Concrete Box Sections for Culverts, Storm Drains, and Sewers [Metric]
Abstract: Scope: This specification covers single-cell precast reinforced concrete box sections intended to be used for the construction of culverts and for the conveyance of storm water, industrial wastes, and sewage. This specification ... -
English -- Standard Method of Test for Measuring Low-Temperature Flexural Creep Stiffness of Hot-Poured Asphalt Crack Sealant by Bending Beam Rheometer (BBR)
Abstract: Scope: This method applies to hot-poured asphalt crack sealant used in the construction and maintenance of roadways as specified by MP 25 and PP 85. The method is used to determine the hot-poured asphalt crack sealant ... -
English -- Standard Specification for Performance-Graded Hot-Poured Asphalt Crack Sealant
Abstract: Scope: This specification covers hot-poured asphalt crack sealant graded by performance. Upon grading for performance, the hot-poured asphalt crack sealant will be assigned a sealant grade (SG) designation (e.g., SG 52-16). ... -
English -- GUIDE DESIGN SPECIFICATIONS FOR BRIDGE TEMPORARY WORKS - 2nd Edition
Abstract: Scope: This guide design specification has been developed for use by State agencies to include in their existing standard specifcations for falsework, fonnwork, and reiated temporary construction used to construct highway ... -
English -- Standard Practice for Sand Seal Design
Abstract: Scope: This standard determines application quantities for applied graded cover aggregate and emulsified asphalt for sand seals on properly prepared bituminous streets. A sand seal is the application of emulsified asphalt ... -
English -- Communications Guide For State DEpartments of Transportation
Abstract: Scope: INTRODUCTION A strong communications practice is essential to the operations of state departments of transportation (DOTs). Over time, it can help build trust among the agency’s stakeholders, improve public ... -
English -- Standard Specification for Smoothness of Pavement in Weigh-in-Motion (WIM) Systems
Abstract: Scope: Weigh-in-motion (WIM) is the process of measuring the dynamic forces of moving vehicle tires on pavements and estimating the corresponding tire loads of the static vehicle. The dynamic forces of moving vehicles ... -
English -- Guidelines for Value Engineering - Revision 4
Abstract: Scope: Executive Summary Benefits of a Value Engineering Program The American Association of State Highway and Transportation Officials (AASHTO) recognizes the need for the prudent use of resources and revenues while ... -
English -- Standard Specification for Reinforced Concrete Arch Culvert, Storm Drain, and Sewer Pipe
Abstract: Scope: This specification covers reinforced arch-shaped concrete pipe to be used for the conveyance of sewage, industrial wastes, storm water, and for the construction of culverts. This specification is applicable ... -
English -- Standard Specification for Portland Cement
Abstract: Scope: This specification covers ten types of portland cement as follows (see Note 1): Type I—For use when the special properties specified for any other type are not required; Type IA—Air-entraining cement for ... -
English -- Survey of State Funding for Public Transportation - Revision 12
Abstract: There is no abstract information for this document. -
English -- Standard Practice for Quantifying Cracks in Asphalt Pavement Surfaces from Collected Pavement Images Utilizing Automated Methods
Abstract: Scope: This practice outlines the procedures for quantifying cracking distress at the network level in asphalt pavement surfaces utilizing automated methods. Detailed specifications are not included for equipment, instruments, ... -
English -- Standard Method of Test for Producing Draw Down Panels and Measuring the Coefficient of Retroreflected Luminance (RL) of Pavement Markings in a Laboratory Panel
Abstract: Scope: This test procedure is used to determine the retroreflectivity of M 247 Type I highway beads. Beads are dropped on top of a uniform thickness of paint and retroreflectivity is determined with a reflectometer. The ... -
English -- Standard Practice for Superpave Volumetric Design for Asphalt Mixtures
Abstract: Scope: This standard practice for mix design evaluation uses aggregate and mixture properties to produce a hot mix asphalt (HMA) job mix formula. The mix design is based on the volumetric properties of the asphalt mixture ... -
English -- Standard Practice for Grading or Verifying the Sealant Grade (SG) of a Hot-Poured Asphalt Crack Sealant
Abstract: Scope: This standard practice describes the testing required to determine the sealant grade (SG) of a hotpoured asphalt crack sealant according to MP 25, Table 1. It presents two approaches. In the first, the SG of an ... -
English -- Standard Method of Test for Pavement Thickness by Magnetic Pulse Induction
Abstract: Scope: This test method covers the determination of the pavement thickness by using magnetic pulse induction. This method is intended for use with plain jointed concrete pavements, asphalt pavements, base courses with ... -
English -- Standard Specification for Porous Concrete Pipe
Abstract: Scope: This specification covers porous nonreinforced concrete pipe for use in underdrains. This specification is applicable for orders in either SI units (M 176M) or in inch-pound units (M 176). SI units and inch-pound ... -
English -- Standard Method of Test for Moisture-Density Relations of Soils Using a 4.54-kg (10-lb) Rammer and a 457-mm (18-in.) Drop
Abstract: Scope: This method of test is intended for determining the relationship between the moisture content and density of soils when compacted in a given mold of a given size with a 4.54-kg (10-lb) rammer dropped from a height ... -
English -- Standard Method of Test for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
Abstract: Scope: This method covers determination of the density (see Note 1) of freshly mixed concrete and gives formulas for calculating the yield, cement content, and the air content of the concrete. Yield is defined as the volume ... -
English -- Standard Method of Test for Characterization of the Air-Void System of Freshly Mixed Concrete by the Sequential Pressure Method
Abstract: Scope: This method covers determination of the air content and system air metric (SAM) number of freshly mixed concrete from observation of the change in volume of concrete with a sequential change in test pressure. This ...