نتایج جستجو برای: durability in architecture

تعداد نتایج: 17011390  

2013
M. Jamshidi H. R. Pakravan

According to standards, the durability performance of fiber-cement sheets must be evaluated by comparing the modulus of rupture (MOR) before and after durability tests (freeze-thaw, soak-dry, and warm water) are completed. This paper investigated the MOR of two different fiber-cement sheets samples before and after durability tests as well as its ductility and toughness. Results showed no signi...

This paper seeks to investigate a new definition for architecture by unifying the three Vitruvian principles of firmitas, utilities, and venustas via a phenomenological approach in the interpretation and analysis of their role in defining architecture. The paper is composed in two main sections. The first section investigates the nature of architecture based on the mentioned principles, where a...

2006
Jing Tian Yafei Dai Hao Wang Mao Yang

This paper emphasizes that instead of long-term availability and reliability, the short-term session durability analysis will greatly impact the design of the real large-scale Peer-to-Peer storage system. In this paper, we use a Markov chain to model the session durability, and then derive the session durability probability distribution. Subsequently, we show the difference between our analysis...

Journal: :international journal of architectural engineering and urban planning 0
اصغر محمدمرادی asghar mohammad moradi faculty of architecture and urban planning of iran university of science and technologyدانشکده معماری و شهرسازی دانشگاه علم وصنعت ایران محمدصادق طاهرطلوع دل mohammad sadegh taher tolou del faculty of architecture and urban planning of iran university of science and technologyدانشکده معماری و شهرسازی دانشگاه علم وصنعت ایران

the importance of iranian ancient as architectural heritage have to competent international prestige a nd respect due this is important with regard to proper conservation met hods based on non-destructive evaluation methods and non-contact testing providing enough accuracy and speed to bri ng performance to stabilize while correct location and age value of valuable architectural aspect of quant...

ژورنال: :پژوهش های باستان شناسی ایران (علمی - پژوهشی) 2012
مریم محمدی جواد نیستانی سید مهدی موسوی کوهپر علیرضا هژبری نوبری

معماری اسامی ایران تداوم طبیعی معماری دوره ساسانی است و شناخت و مطالعه این معماری می تواند راه گشای ما در شناخت معماری دوره اسامی و جنب ههای مختلف آن باشد. متأسفانه علی رغم این مهم معماری این دوره به طور شایسته و جامع شناسایی و مطالعه نشده و ابهامات اساسی در خصوص سیر تحول و تکامل این معماری، تاریخ گذاری بناهای بر جای مانده، گون هشناسی، عناصر و اجزا، تکنیک ها، شیوه های معماری و موارد دیگر وجود د...

2017
Kyoung Jin Kim Ju Hee Choi Kyeong Jin Kim Jee Hyun An Hee Young Kim Sin Gon Kim Nam Hoon Kim

BACKGROUND Long-term durable glycemic control is a difficult goal in the management of type 2 diabetes mellitus (T2DM). We evaluated the factors associated with durable glycemic control in a real clinical setting. METHODS We retrospectively reviewed the medical records of 194 new-onset, drug-naïve patients with T2DM who were diagnosed between January 2011 and March 2013, and were followed up ...

ژورنال: مهندسی دریا 2012

Chloride ion ingress is one of the major problems that affect the durability of reinforced concrete structures such as bridge decks, concrete pavements, and other structures exposed to harsh saline environments. Therefore, durability based design of concrete structures in marine areas has gained great significance in recent decades and various mathematical models for estimating the service life...

Journal: :فصلنامه علمی پژوهشی مهندسی مکانیک جامدات واحد خمینی شهر 0
ali abdollahifar malekashtar university mohammad amin khoshuee malekashtar university seyyed masoud hashemi malekashtar university

the crankshaft is one of the most critically loaded components as it experiences cyclic loads in the form of bending and torsion during its service life. its failure will cause serious damage to the engine so it’s important at the time of design to verify fatigue strength. more challenges in crankshaft design due to increasing vehicle payloads, lower weight requirement, higher efficiency and lo...

There is a gap between the past vernacular architecture and the contemporary architecture of Iran. Ignoring the practical characteristics of vernacular architecture has created an unidentified architecture and urban design for the life of new generations in Iran. The main problem of this research is familiarizing the students of architecture with philosophy of vernacular architecture for better...

Journal: :geopersia 2013
amin jamshidi mohammad reza nikudel mashalah khamechiyan

salt crystallization is one of the most important weathering agents and may limit the durability of building stones. salt crystallization induces stresses inside the pores of stones. consequently, stone durability is closely related to its physical properties and strength. the purpose of this study was to propose a statistical model for estimating stone durability against salt crystallization c...

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