Results 21 to 30 of about 10,814 (222)

Comparison between Calculating Live Load Distribution Factors by AASHTO-LRFD Equations and Finite Element Method of Precast Concrete U-Girder Bridges [PDF]

Journal of Rehabilitation in Civil Engineering
The main objective of this study is to make a comparison between calculating live load distribution factors using AASHTO-LRFD equations and the finite element analysis of precast concrete U-girder bridges. The AASHTO-LRFD specifications provide empirical
Kamel Kamel, Ahmed Amer, Ahmed Hanafi
doaj   +1 more source

Investigation causes of pavement structure destruction using new AASHTO mechanistic-empirical procedures for improving roads function in different climatic condition of Iran

Environment Conservation Journal, 2015
In recent years, procedure of AASHTO (American Association State Highway and Transportation Officials) Guide for Design of Pavement Structures distanced from first empirical procedure and advanced toward mechanistic-empirical procedures.
Malihe Behnam, Hedyeh Khojasteh, Mirmohammad Seyyed Hashemi, Mehdi Javid   +3 more
doaj   +1 more source

Validity of Anchorage Zone Design for Post-Tensioned Concrete Members with High-Strength Strands

Applied Sciences, 2020
This paper evaluated the validity of a design method for anchorage zones in post-tensioned concrete members using Grade 2400 strands from American Concrete Institute (ACI) Building Code, ACI 318-19 and Association of State Highway and Transportation ...
Kyong Min Ro, Min Sook Kim, Young Hak Lee   +2 more
doaj   +1 more source

Evaluasi Struktural Perkerasan Kaku Menggunakan Metoda AASHTO 1993 dan Metoda AUSTROADS 2011 Studi Kasus : Jalan Cakung-Cilincing

Jurnal Teknik Sipil, 2017
Abstrak Ruas jalan Cakung-Cilincing Jakarta merupakan salah satu Jalan Nasional yang mempunyai volume lalu lintas yang sangat tinggi dengan tipe perkerasan kaku.
Shinta Rahmalia Irawan, Bambang Sugeng Subagio, Eri Susanto Hariyadi, Faisal Gerardo   +3 more
doaj   +3 more sources

Empirical modeling of the relationship between decision sight distance and stopping sight distance based on AASHTO [PDF]

Archives of Transport, 2018
The paper introduces implementation of highways' stopping sight distance (SSD) and decision sight distance (DSD) based on AASHTO modeling assumptions. SSD characterizes the necessary distance for highway vehicles to stop safely in front from an obstacle.
Shy BASSAN
doaj   +1 more source

Investigation causes of pavement structure failure using new AASHTO mechanistic-empirical procedures for optimization roads performance in different climatic condition of Iran

Environment Conservation Journal, 2015
In recent years, procedure of AASHTO (American Association State Highway and Transportation Officials) Guide for Design of Pavement Structures distanced from first empirical procedure and advanced toward mechanistic-empirical procedures.
Maliheh Behnam, Hedyeh Khojasteh, Mir mohammad Seyyed Hashemi, Mehdi Javid   +3 more
doaj   +1 more source

Predicting Tensile Strength for Prestressed Reinforced Concrete-Driven Piles

Applied Sciences, 2022
Reinforced concrete piles installed by impact hammers have been used as a common solution for deep foundations because they are cost effective and require less time for construction.
Thuyet N. Nguyen, Thang Q. Pham, Thuy T. Vu, Adnan A. Malik, Duc N. Dinh   +4 more
doaj   +1 more source

Evaluation of Single Lane Parallel-Type Entrance Ramp Terminal Using Vehicle Dynamics Model for Freeways

Architecture, Civil Engineering, Environment, 2023
Providing an appropriate length of highway entrance ramps is an important feature that should be considered in freeway design. The recommended minimum acceleration lane length in the Green Book of the American Association of State Highway and ...
Saremi Niousha, Kordani Ali Abdi, Zarei Mohammad, Kohansal Akram   +3 more
doaj   +1 more source

Large‐scale tests of 50‐year‐old prestressed concrete bridge girders

Structural Concrete, EarlyView.
Abstract An experimental investigation has been carried out as part of the BRIDGE|50 research project, focusing on large‐scale loading tests performed on five 50‐year‐old prestressed concrete (PC) girders. The study aimed at evaluating the structural response of five girders retrieved from a viaduct in the urban area of Turin, Italy, subjected to 4 ...
Francesco Tondolo, Pierclaudio Savino, Donato Sabia, Antonino Quattrone, Fabio Biondini, Gianpaolo Rosati, Mattia Anghileri, Bernardino Chiaia   +7 more
wiley   +1 more source

Uma abordagem alternativa para obtenção da classificação de solos da AASHTO usando redes neurais artificiais

Transportes, 2021
A prospecção e análise preliminar de solos para identificar a sua tendência de comportamento como subleito através da classificação da AASHTO, gera custos iniciais altos aos projetos rodoviários, os quais, muitas vezes, oneram o seu valor final, tendo em
Wana Maria de Souza, Antonio Júnior Alves Ribeiro, Carlos Augusto Uchôa da Silva   +2 more
doaj   +1 more source