نتایج جستجو برای: aashto

تعداد نتایج: 356  

Journal: :Applied sciences 2022

The study aims to evaluate the change in behavior of sub-base materials being used road pavements through blending fines different types amounts. Fines are added aggregate samples as part gradations proposed by American Association for State and Highway Transportation Official (AASHTO). Composite conforming AASHTO B C were prepared mixing coarse aggregates varying proportions, ranging from 0 15...

Journal: :Agregat 2022

Sawunggaling Road, Klethek, Sidoarjo Regency is an alternative road from Sukodono District to provincial highway. Every day the passed by heavy transport trucks industrial area city and motor vehicles that pass go work travel. With high intensity capacity, highway increasingly many points experience asphalt damage, such as potholes, edge cracks, middle basins. The approval of research planned t...

Journal: :Engineer: Journal of the Institution of Engineers, Sri Lanka 2011

Journal: :Coatings 2022

This study aimed to determine the material properties and thickness of layers an unbonded jointed plain concrete pavement design over a deteriorated flexible that lost its service capability. Maximum principal stresses occurring under should not exceed modulus rupture concrete. Three-dimensional finite element analyses using ANSYS (Release 18.1 SAS IP, Inc.) software were carried out with Taguc...

Journal: : 2023

In this study, the usability of concrete containing blast furnace slag (BFS; 15, 20, 25, 30 wt.%) as road pavement on soils with weak bearing strength and corresponding benefit–cost relationship were investigated. The prepared specimens subjected to physical mechanical tests following different curing times, it was determined that BFS-added increased peaked at BFS content 20 %. addition, accord...

چکیده: نیاز به هدایت روان و ایمن ترافیک و محدودیت‌های ناشی از کمبود فضای شهری باعث تمایل چشم‌گیر طراحان به استفاده از پل‌های خمیده فولادی شده است. این سازه‌ها از لحاظ زیبایی نیز مورد پسند معماران و شهرسازان می‌باشند. در این مقاله، تیرورق‌های دارای انحنای افقی مختلف با مشخصات و ابعاد واقعی توسط آیین‌نامه AASHTO طراحی شده و به دو صورت تک-تیرورقی و داخل سیستم پل توسط نرم‌افزار اجزا محدود آباکوس مد...

Journal: : 2023

In this paper, the effects of steel fibre usage on concrete pavement thickness and cost were investigated. Prepared fibrous specimens subjected to physical mechanical tests. From experiments, it was determined that as ratio increased, workability compressive strength decreased, but flexural splitting tensile strengths increased. addition, according calculations made using AASHTO 1993 design met...

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