R42 港口通信与导航 标准查询与下载

AASHTO R 39-2007 实验室制作及固化混凝土试样规程

This practice covers procedures for making and curing test specimens of concrete in the laboratory under accurate control of materials and test conditions using concrete that can be consolidated by rodding or vibration as described herein. This practic

Standard Practice for Making and Curing Concrete Test Specimens in the Laboratory

AASHTO T 49-2007 沥青材料的渗透性试验方法

This practice describes minimum performance requirements for inertial profilers to be used for quality control/quality assurance (QC/QA) of surface smoothness on Owner-Agency paving projects where the profile-based smoothness construction specification

Standard Method of Test for Penetration of Bituminous Materials

AASHTO MP 11-2007 惯性剖面测绘仪标准

The objective of this specification is to define the required attributes of an inertial profiling system (IPS) to measure a longitudinal pavement profile for construction quality control and acceptance. The system shall be able to calculate summary roug

Standard Equipment Specification for Inertial Profiler

AASHTO PP 50-2007 惯性剖面仪操作和评价路面断面标准

This practice describes the procedure for operating and verifying the calibration of an inertial profiler. This practice is meant to be performed as a Quality Assurance (QA) test for use with the appropriate smoothness specification for paving operation

Standard Practice for Operating Inertial Profilers and Evaluating Pavement Profiles

AASHTO M 247-2007 交通涂料用玻璃珠的标准规范

Standard Specification for Glass Beads Used in Traffic Paints

Standard Specification for Glass Beads Used in Traffic Paints

AASHTO M 240-2007 混合水硬性水泥的标准规范

This specification pertains to five classes of blended hydraulic cements for both general and special applications, using slag or pozzolan, or both, with portland cement or portland cement clinker or slag with lime.

Standard Specification for Blended Hydraulic Cement

AASHTO M 262-2007 绝热材料及相关术语

absorption—the increase in mass of concrete resulting from the penetration of water into the concrete

Standard Definitions of Terms Relating to Concrete Pipe and Related Products

AASHTO M 285M_M 285-2007 严酷条件下使用的耐腐蚀镍铬铁合金铸件规格(美国国家公路与运输协会 M285/M285M)的标准规范

This specification covers iron-chromium-nickel alloy, stainless steel castings intended for particularly severe corrosive applications.

Standard Specification for Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service

AASHTO M 315-2007 使用橡胶垫圈的混凝土管和人孔用接头规格(米制)的标准规范

Standard Specification for Joints for Concrete Pipe and Manholes, Using Rubber Gaskets

Standard Specification for Joints for Concrete Pipe and Manholes, Using Rubber Gaskets

AASHTO M 315M-2007 米制圆形混凝土污水管和函管接头用橡胶垫圈的标准规范

Standard Specification for Joints for Circular Concrete sewer and culvert pipe, Using Rubber Gaskets [Metric]

Standard Specification for Joints for Circular Concrete sewer and culvert pipe, Using Rubber Gaskets [Metric]

AASHTO PP 49-2007 惯性剖面系统的认证

Standard Practice for Certification of Inertial Profiling Systems

Standard Practice for Certification of Inertial Profiling Systems

AASHTO M 225M_M 225-2007 混凝土钢筋用变形钢丝规格的标准规范

This specification covers deformed steel wire which has been cold worked by drawing, rolling, or both drawing and rolling to be used as produced, or in fabricated form, for the reinforcement of concrete in sizes having nominal cross-sectional areas not

Standard Specification for Steel Wire, Deformed, for Concrete Reinforcement

AASHTO T 106M_T 106-2007 液压水泥灰浆的抗压强度试验方法(使用2英寸或50毫米管试样)

This test method covers determination of the compressive strength of hydraulic cement mortar, using 50-mm (or 2-in.) cube specimens. Note 1—ASTM C 349 provides an alternative procedure for this determination (not to be used for acceptance tests).

Standard Method of Test for Compressive Strength of Hydraulic Cement Mortar (Using 50-mm or 2-in. Cube Specimens)

AASHTO T 107-2007 硅酸盐水泥的蒸压膨胀试验方法

This test method covers determination of the autoclave expansion of hydraulic cement by means of a test on a neat cement specimen.

Standard Method of Test for Autoclave Expansion of Hydraulic Cement

AASHTO M 199M_M 199-2007 预制钢筋混凝土人孔部件规格(米制)的标准规范

This specification covers the manufacture and purchase requirements of products used for the assembly and construction of circular precast reinforced concrete manholes used in sewer and water works.

Standard Specification for Precast Reinforced Concrete Manhole Sections

AASHTO M 203M_M 203-2007 预应力混凝土用无涂层七股钢铰线的标准规范

This specification covers two types and two grades of seven-wire, uncoated steel strand for use in pretensioned and post-tensioned prestressed concrete construction. The two types of strand are low-relaxation and stress-relieved (normal-relaxation). Lo

Standard Specification for Steel Strand, Uncoated Seven-Wire for Concrete Reinforcement

AASHTO M 205M_M 205-2007 制造混凝土垂直试验圆柱体用模的标准规范

Standard Specification for Molds for Forming Concrete Test Cylinders Vertically

Standard Specification for Molds for Forming Concrete Test Cylinders Vertically

AASHTO M 178M_M 178-2007 混凝土排水管的标准规范

This specification covers concrete drain tile with internal diameters from 100 mm (4 in.) to 900 mm (36 in.) that are intended to be used for surface and subsurface drainage.

Standard Specification for Concrete Drain Tile

AASHTO HDG CHAPTER 12-2007 雨水管理

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.

STORMWATER MANAGEMENT 4th edition

AASHTO M 114-2007 建筑用砖(粘土或页岩制实心砌砖)规格的标准规范

Standard Specification for Building Brick (Solid Masonry Units Made from Clay or Shale)

Standard Specification for Building Brick (Solid Masonry Units Made from Clay or Shale)