نتایج جستجو برای: 318 2014 aci

تعداد نتایج: 150949  

2018

Correspondence to Steven Bornstein, MD Physician Lead 2003–2012 Northern California Kaiser Permanente HealthConnect Electronic Health Record 500 El Cerrito Ave Hillsborough, California 94010 United States Email: [email protected] Appl Clin Inf 2012; 3: 318–325 doi:10.4338/ACI-2012-03-RA-0006 recieved: March 8, 2012 accepted: July 17, 2012 published: August 8, 2012 Citation: Bornstein S. An integ...

Journal: :international journal of optimaization in civil engineering 0
e. ghandi n. shokrollahi m. nasrolahi

this paper presents a cuckoo optimization algorithm (coa) model for the cost optimization of the one-way and two-way reinforced concrete (rc) slabs according to aci code. the objective function is the total cost of the slabs including the cost of the concrete and that of the reinforcing steel. in this paper, one-way and two-way slabs with various end conditions are formulated as aci code. the t...

Journal: :Revista IBRACON de Estruturas e Materiais 2022

abstract: This paper presents the results of seven experimental tests in reinforced concrete wide beams, aiming to investigate their performance when subjected shear, using prefabricated truss stirrups as shear reinforcement, well a supplementary reinforcement control cracks by delamination. The main analysed variables were: position inclination and spacing between stirrups. Results showed that...

Journal: :Methods of information in medicine 2015
C U Lehmann A V Gundlapalli

BACKGROUND In 1962, Methods of Information in Medicine ( MIM ) began to publish papers on the methodology and scientific fundamentals of organizing, representing, and analyzing data, information, and knowledge in biomedicine and health care. Considered a companion journal, Applied Clinical Informatics ( ACI ) was launched in 2009 with a mission to establish a platform that allows sharing of kno...

Journal: :international journal of civil engineering 0
a. kaveh narmak, iust, tehran-16, iran o. sabzi iust

in this paper a discrete big bang-big crunch algorithm is applied to optimal design of reinforced concrete planar frames under the gravity and lateral loads. optimization is based on aci 318-08 code. columns are assumed to resist axial loads and bending moments, while beams resist only bending moments. second-order effects are also considered for the compression members, and columns are checked...

2006
David Darwin

Nine restrained T-beams were tested in a study of the negative moment region shear strength of lightly reinforced concrete T-beams. Variables included the longitudinal reinforcement ratio p, (0.47 percent and 0. 70 percent) and the nominal stirrup strength (0 to 84 psi [0 to 0.60 MPa]). The test results are compared with the shear provisions of "Building Code Requirements for Reinforced Concret...

2016
Joseph Jones Julio A. Ramirez

This paper describes an examination of the development of tension lap splices in high-strength concrete and the applicability of the restriction in the ACI 318 code where the values of √fc′ used to calculate development length shall not exceed 100 psi. The focus is on the development of splices with Grade 60 epoxy-coated and uncoated bars in normalweight concrete. A summary of the behavior of b...

داود مستوفی‌نژاد فرهنگ فرحبد

آزمایش ها نشان می‌دهند که یک تیر سراسری بتن‌آرمه، با رسیدن لنگر در مقطع بحرانی به حد نهائی، دچار خرابی نمی‌شود، بلکه اگر سازه از شکل‌پذیری کافی برخوردار باشد، پس از تشکیل مفصل پلاستیک در نقطة بحرانی، بازتوزیع تنش‌ و لنگر به وقوع پیوسته و سبب می‌شود که سایر نقاط سازه نیز همگون با مقطع بحرانی، به مقاومت و ظرفیت نهائی خود برسند. آئین‌نامة بتن ایران (آبا)، بازتوزیع لنگر را بر حسب درصد فولاد مقطع بی...

2007
Zdenek Bazant Zdenek P. Bazant

1 Abstract The project has two objectives: (1) to improve the reliability, durability and structural efficiency of infrastructure by transferring the results of previous basic research on fracture mechanics of size effects in concrete structures into: a) design practice, b) design codes, c) standardized materials testing, and d) commercial computer programs; and (2) research the probability str...

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