R42 港口通信与导航 标准查询与下载

AASHTO NTCIP 1207-2001 闭路电视智能交通系统协议目标定义的国家运输交流

The messaging between central control entities and Ramp Meter Control (RMC) units is accomplished using the NTCIP Application Layer services to convey requests to access or modify values of RMC unit object definitions resident in the devices via an NTCI

National Transportation Communications for ITS Protocol - Object Definitions for Ramp Meter Control (RMC) Units v01.17; A Joint Standard of AASHTO, ITE, and NEMA

AASHTO NTCIP 1205-2001 智能交通系统协议的国家运输交流-环境传感器目标定义

The context of the NTCIP is one part of the Intelligent Transportation Systems (ITS) standardization activities covering base standards, profiles, and registration mechanisms.

National Transportation Communications for ITS Protocol Object Definitions for Closed Circuit Television (CCTV) Camera Control v01.08; A Joint Standard of AASHTO, ITE, and NEMA

AASHTO PP 38-2000 沥青路面最大车辙深度的确定

Standard Practice for Determining Maximum Rut Depth in Asphalt Pavements

Standard Practice for Determining Maximum Rut Depth in Asphalt Pavements

AASHTO R 25-2000 技术培训和资格认可程序

This document provides a guideline for establishing evaluation and qualification procedures for personnel engaged in sampling and testing of soils, aggregates, hot-mix asphalt, and portland cement concrete in accordance with AASHTO test methods. The gu

Standard Recommended Practice for Technician Training and Qualification Programs

AASHTO INDEX-2000 第1部分规格指数.第20版

Part I Specifications Index Twentieth Edition

Part I Specifications Index Twentieth Edition

AASHTO T 112-2000 集料中的土块和易碎颗粒含量的测试方法

This method covers the approximate determination of clay lumps and friable particles in natural aggregates.

Standard Method of Test for Clay Lumps and Friable Particles in Aggregate

AASHTO M 259M-2000 涵管、雨水管和污水管用预制钢筋混凝土箱形部件[米制]的标准规范

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.

Standard Specification for Precast Reinforced Concrete Box Sections for Culverts, Storm Drains, and Sewers [Metric]

AASHTO T 199-2000 指示仪测定新拌混凝土含气量的测定

This method of test covers the determination of the air content of freshly mixed concrete by displacing the air with alcohol and observing the change in level of the liquid in a tube. The apparatus is light and small, and the test procedure requires onl

Standard Method of Test for Air Content of Freshly Mixed Concrete by the Chace Indicator

AASHTO T 170-2000 用阿布松(Abson)法从溶液中回收沥青的试验方法

1.1. This method covers the recovery, by the Abson Method, of asphalt from a previously conducted extraction with reagent-grade trichlorethylene or reagent-grade methylene chloride (Note 1). The asphalt is recovered with properties substantially the sam

Standard Method of Test for Recovery of Asphalt from Solution by Abson Method

AASHTO GSIC-1-1999 雪和冰控制指南

it is important that managers and supervisors at all levels foster a culture of innovation within the organization. The organization, not just individuals, should be receptive to change by evaluating and perhaps implementing new technologies and methods.

Guide for Snow and Ice Control

AASHTO T 50-1999 沥青材料浮选试验的检测方法

This test method covers the float test for bituminous materials.

Standard Method of Test for Float Test for Bituminous Materials

AASHTO M 282-1999 硅酸盐水泥混凝土路面用弹性体型热处理的接缝密封胶的标准规范

This specification covers an elastomeric-type one component, hot-applied concrete joint sealant, resistant to weathering, for use in sealing joints and cracks in Portland cement concrete highway and airfield pavements.

Standard Specification for Joint Sealants, Hot-Poured, Elastomeric-Type, for Portland Cement Concrete Pavements

AASHTO PP 34-1999 混凝土龟裂趋势的评估

This method covers the determination of the cracking tendency of restrained concrete specimens. The procedure determines the effects of variations in the properties of concrete as related to the time-to-cracking of concrete when restrained. The procedur

Estimating the Cracking Tendency of Concrete

AASHTO T 193-1999 加州承重比试验

This test method covers the determination of the California Bearing Ratio (CBR) of pavement subgrade, subbase, and base/course materials from laboratory compacted specimens. The test method is primarily intended for but not limited to, evaluating the s

Standard Method of Test for the California Bearing Ratio

AASHTO GSCB-2-1999 节段混凝土桥梁设计和施工规范指南.第2版.2003年中期

Interim revisions have been made to the Guide Specifications for Design and Construction of Segmenta/ Concrete Bridges, Second Edition (1 999). This packet contains the revised pages. They have been designed to replace the corresponding pages in the book

Guide Specifications for Design and Construction of Segmental Concrete Bridges Second Edition; Interim 2003

AASHTO T 98-1999 用浊度计作硅酸盐水泥细度试验的方法

1.1. This test method covers determination of the fineness of portland cement as represented by a calculated measure of specific surface, expressed as square centimeters of total surface area per gram, or square meters of total surface area per kilogram

Standard Method of Test for Fineness of Portland Cement by the Turbidimeter

AASHTO T 104-1999 用硫酸钠或硫酸镁作集料的坚固性试验方法

1.1. This method covers the procedure to be followed in testing aggregates to determine their resistance to disintegration by saturated solutions of sodium sulfate or magnesium sulfate. This is accomplished by repeated immersion in saturated solutions o

Standard Method of Test for Soundness of Aggregate by Use of Sodium Sulfate or Magnesium Sulfate

AASHTO M 33-1999 混凝土用预制膨胀接缝填充料(沥青型)美国 ASTM D 994-98的标准规范

This specification covers bituminous preformed expansion joint filler for use in concrete construction.

Preformed Expansion Joint Filler for Concrete (Bituminous Type)

AASHTO TF-37-1999 任务37报告:检查喷射混凝土桥梁维修指南

The purpose of this chapter i s to familiarize the inspector with the shotcrete process, the basic elements and types of shotcrete, its general applications, and construction concerns. Specific definitions are provided in the Glossary of Terms at the e

Task Force 37 Report; Inspectors?Guide for Shotcrete Repair of Bridges

AASHTO M 297-1998 桥用预制聚氯丁(橡胶)弹性接头封缝件的标准规范

Standard Specification for Preformed Polychloroprene Elastomeric Joint Seals for Bridges

Standard Specification for Preformed Polychloroprene Elastomeric Joint Seals for Bridges