درباره ما
AASHTO - American Association of State Highway and Transportation Officials: Recent submissions
Now showing items 801-820 of 2524
-
AASHTO T 192
Abstract: This test method covers the determination of the fineness of hydraulic cement by means of the 45-μm (No. 325) sieve.
The values stated in SI units are to be regarded as the standard. The inch–pound equivalents ...Subject(s) : Fineness of hydraulic cement , -
AASHTO T 210
Abstract: This method describes the procedure for determining the durability of aggregates. The durability index is a value indicating the relative resistance of an aggregate to produce detrimental claylike fines when subjected to ... -
AASHTO TP 87
Abstract: This method applies to bituminous sealants used in the construction and maintenance of roadways.
The method is used to determine the bituminous sealant flexural stiffness. It can be used on unaged material or on material ... -
AASHTO T 153
Abstract: This test method covers determination of the fineness of hydraulic cement, using the Blaine air permeability apparatus, in terms of the specific surface expressed as total surface area in square centimeters per gram, or ...Subject(s) : Air permeability , apparatus , fineness , -
AASHTO HB-17 DIVISION I SEC 14
Abstract: This section contains requirements for the design and selection of structural bearings.
The selection and layout of the bearings shall be consistent with the proper functioning of the bridge, and shall allow for ... -
AASHTO PG14
Abstract: Overview
Section 404 of the Clean Water Act prohibits the discharge of dredged or fill materials into waters of the United States, except when authorized by a permit issued by the U.S. Army Corps of ... -
AASHTO R 47
Abstract: This practice outlines methods for the reduction of large samples of hot mix asphalt (HMA) to the appropriate size for testing, employing techniques that are intended to minimize variations in the measured characteristics ...Subject(s) : hot mix asphalt (HMA) , incremental method , quartering method , sample reduction , sample splitter , sampling , -
AASHTO HDG CHAPTER 12
Abstract: INTRODUCTION: Storm drainage, which now includes stormwater management facilities, is an integral and expensive aspect of highway design, highway construction and, all too often forgotten, highway maintenance. This chapter ... -
AASHTO M 219
Abstract: This specification covers corrugated aluminum alloy structural plate used in the construction of pipe, pipe-arches, arches, underpasses, and special shapes for field assembly. Appropriate fasteners are also described. The ... -
AASHTO T 257
Abstract: This standard covers procedures for instrumental determinations of photometric characteristics of retroreflective materials and retroreflective devices.
The values stated in SI units are to be regarded as the standard. -
AASHTO T 92
Abstract: This procedure furnishes data from which the following soil characteristics may be calculated: (a) shrinkage limit, (b) shrinkage ratio, (c) volumetric change, and (d) lineal shrinkage.
The following applies to all ...