Geometricdesignofhighways公路线型设计 土木工程专业英语 刘克瑾河南工业大学土木建筑学院 Lesson3Geometricdesignofhighways geometric[,dʒɪə’metrɪk]adj.几何学的 ❖TextAAlignmentDesign ❖alignment[ə‘laɪnm(ə)nt]n.队列，线形；❖课文A线路设计❖TextBGrades❖课文B坡度❖TextCSight...
The paper deals with the objective and factors to be considered for geometric design of highway followed by the features (cross section elements of highway, sight distance considerations, horizontal alignment and vertical alignment) on which the geometric design of highways is based. The paper ...
美国道路线型设计规范AASHTO—Geometric-Design-of-Highways-and-Streets.pdf,CHAPTER 4 CROSS SECTION ELEMENTS GENERAL To assure consistency in this policy, the terms “roadway” and “traveled way” are defined by AASHTO as follows: Roadway: The portion of a
内容提示: CHAPTER 4CROSS SECTION ELEMENTSGENERALTo assure consistency in this policy, the terms “roadway” and “traveled way” are defined byAASHTO as follows:Roadway: The portion of a highway, including shoulders, for vehicular use. A dividedhighway has two or more roadways (see Exhibits 4...
While the selection of design speed is dependent on many factors other than pavement surface type, high-type surfaces provide for higher operating speeds than do low-type surfaces. Therefore, the surface type provided should be consistent with the selected design speed for the highway. Cross ...
7、nt with the selected design speed for the highway. Cross Slope Undivided traveled ways on tangents, or on flat curves, have a crown or high point in the middle and a cross slope downward toward both edges. Unidirectional cross slopes across the AASHTOGeometric Design of Highways and Stree...
美国道路线型设计规范AASHTOGeometricDesignofHighwaysandStreets 309 CHAPTER4 CROSSSECTIONELEMENTS GENERAL Toassureconsistencyinthispolicy,theterms“roadway”and“traveledway”aredefinedby AASHTOasfollows: Roadway:Theportionofahighway,includingshoulders,forvehicularuse.Adivided highwayhastwoormoreroadways(seeExhibits4...
A POLICY ON GEOMETRIC DESIGN OF HIGHWAYS AND STREETS ADDENDA TO THE 1997 MASSHIGHWAY HIGHWAY DESIGN MANUAL INTERIM GUIDANCE FOR CONFORMANCE WITH THE AASHTO A POLICY ON GEOMETRIC DESIGN OF HIGHWAYS AND STREETS 2001 APRIL 2003
the name of one representative from Kansas to the Highway Subcommittee on Design was unfortunately misspelled as “Robert Lacy.” The correct spelling is “Rodney Dean Lacy.” Again, we apologize and appreciate Mr. Lacy’s understanding in this matter. AASHTO staff sincerely apologizes for any in...
sensitivityandcommunityconcerns.Intheinterimperiodbetweennowandwhenafullyrevisedmanualisissued,thisdocumentshouldbeusedtodesignallroadwaysinMassachusetts.Sincemostofthevaluescontainedinthisdocumentarewithintherangeofthedesirableandminimumstandardsinthe1997HighwayDesignManual,projectscurrentlyunderdesignorconstructionmay...