نتایج جستجو برای: tension stiffening

تعداد نتایج: 62156  

Journal: :Structural Concrete 2022

Concrete tensile stresses influence the cracking behaviour and stiffness of reinforced concrete (RC) members. Most design codes account for this tension stiffening effect using an effective reinforcement ratio. Although ratio has a significant on RC structures, its quantification is controversial in many cases, typically relies empirical geometry-based expressions. One main reason knowledge gap...

متن کامل
Journal: :Buildings 2023

The construction of high-rise oblique grid buildings requires a large amount concrete. To save resources, an intersecting nodes composed steel outer tubes and fiber, recycled concrete inner (OGSFRCIN) has been proposed. ABAQUS is used to study the mechanical properties under axial pressure, accounting for effects six parameters: angle, thickness stiffening ring, connecting plate, strength, aggr...

متن کامل
Journal: :Buildings 2023

This study first provides an overview of the development a novel tube anchor system for seismic strengthening or repair reinforced concrete (RC) shear walls with carbon fibre-reinforced polymer (CFRP) sheets. The new can significantly improve load transfer mechanism between CFRP and supporting RC structural elements, resulting in ductile behaviour strengthened increases lateral capacity ductili...

متن کامل
Journal: :Pulse 2016

متن کامل
Journal: :European Journal of Vascular and Endovascular Surgery 2018

متن کامل
Journal: :Cell reports 2012
Devashish Kothapalli Shu-Lin Liu Yong Ho Bae James Monslow Tina Xu Elizabeth A Hawthorne Fitzroy J Byfield Paola Castagnino Shilpa Rao Daniel J Rader Ellen Puré Michael C Phillips Sissel Lund-Katz Paul A Janmey Richard K Assoian

Arterial stiffening is a risk factor for cardiovascular disease, but how arteries stay supple is unknown. Here, we show that apolipoprotein E (apoE) and apoE-containing high-density lipoprotein (apoE-HDL) maintain arterial elasticity by suppressing the expression of extracellular matrix genes. ApoE interrupts a mechanically driven feed-forward loop that increases the expression of collagen-I, f...

متن کامل
Journal: :Physical review letters 2012
Eric Brown Alice Nasto Athanasios G Athanassiadis Heinrich M Jaeger

Random packings of granular chains are presented as a model system to investigate the contribution of entanglements to strain stiffening. The chain packings are sheared in uniaxial compression experiments. For short chain lengths, these packings yield when the shear stress exceeds the scale of the confining pressure, similar to granular packings of unconnected particles. In contrast, packings o...

متن کامل
Journal: :Bioinspiration & biomimetics 2015
T Ranzani G Gerboni M Cianchetti A Menciassi

This paper introduces a novel, bioinspired manipulator for minimally invasive surgery (MIS). The manipulator is entirely composed of soft materials, and it has been designed to provide similar motion capabilities as the octopus's arm in order to reach the surgical target while exploiting its whole length to actively interact with the biological structures. The manipulator is composed of two ide...

متن کامل
Journal: :The Journal of experimental biology 2006
I C Wilkie L Parma F Bonasoro G Bavestrello C Cerrano M D Candia Carnevali

The marine sponge Chondrosia reniformis Nardo consists largely of a collagenous tissue, the mesohyl, which confers a cartilaginous consistency on the whole animal. This investigation was prompted by the incidental observation that, despite a paucity of potentially contractile elements in the mesohyl, intact C. reniformis stiffen noticeably when touched. By measuring the deflection under gravity...

متن کامل
Journal: :Construction and Building Materials 2022

Assessing the residual capacity of corroded reinforced concrete (RC) beams depends on quantifying corrosion cracks and rebar cross-section loss, understanding their influence structural behaviour. Relations between crack widths loss have been developed in literature, experimental studies shown a decrease flexural RC beams. However, results were only related to longitudinal loss. In real structu...

متن کامل

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید

function paginate(evt) { url=/search_year_filter/ var term=document.getElementById("search_meta_data").dataset.term pg=parseInt(evt.target.text) var data={ "year":filter_year, "term":term, "pgn":pg } filtered_res=post_and_fetch(data,url) window.scrollTo(0,0); } function update_search_meta(search_meta) { meta_place=document.getElementById("search_meta_data") term=search_meta.term active_pgn=search_meta.pgn num_res=search_meta.num_res num_pages=search_meta.num_pages year=search_meta.year meta_place.dataset.term=term meta_place.dataset.page=active_pgn meta_place.dataset.num_res=num_res meta_place.dataset.num_pages=num_pages meta_place.dataset.year=year document.getElementById("num_result_place").innerHTML=num_res if (year !== "unfilter"){ document.getElementById("year_filter_label").style="display:inline;" document.getElementById("year_filter_place").innerHTML=year }else { document.getElementById("year_filter_label").style="display:none;" document.getElementById("year_filter_place").innerHTML="" } } function update_pagination() { search_meta_place=document.getElementById('search_meta_data') num_pages=search_meta_place.dataset.num_pages; active_pgn=parseInt(search_meta_place.dataset.page); document.getElementById("pgn-ul").innerHTML=""; pgn_html=""; for (i = 1; i <= num_pages; i++){ if (i===active_pgn){ actv="active" }else {actv=""} pgn_li="
  • " +i+ "
    • "; pgn_html+=pgn_li; } document.getElementById("pgn-ul").innerHTML=pgn_html var pgn_links = document.querySelectorAll('.mypgn'); pgn_links.forEach(function(pgn_link) { pgn_link.addEventListener('click', paginate) }) } function post_and_fetch(data,url) { showLoading() xhr = new XMLHttpRequest(); xhr.open('POST', url, true); xhr.setRequestHeader('Content-Type', 'application/json; charset=UTF-8'); xhr.onreadystatechange = function() { if (xhr.readyState === 4 && xhr.status === 200) { var resp = xhr.responseText; resp_json=JSON.parse(resp) resp_place = document.getElementById("search_result_div") resp_place.innerHTML = resp_json['results'] search_meta = resp_json['meta'] update_search_meta(search_meta) update_pagination() hideLoading() } }; xhr.send(JSON.stringify(data)); } function unfilter() { url=/search_year_filter/ var term=document.getElementById("search_meta_data").dataset.term var data={ "year":"unfilter", "term":term, "pgn":1 } filtered_res=post_and_fetch(data,url) } function deactivate_all_bars(){ var yrchart = document.querySelectorAll('.ct-bar'); yrchart.forEach(function(bar) { bar.dataset.active = false bar.style = "stroke:#71a3c5;" }) } year_chart.on("created", function() { var yrchart = document.querySelectorAll('.ct-bar'); yrchart.forEach(function(check) { check.addEventListener('click', checkIndex); }) }); function checkIndex(event) { var yrchart = document.querySelectorAll('.ct-bar'); var year_bar = event.target if (year_bar.dataset.active == "true") { unfilter_res = unfilter() year_bar.dataset.active = false year_bar.style = "stroke:#1d2b3699;" } else { deactivate_all_bars() year_bar.dataset.active = true year_bar.style = "stroke:#e56f6f;" filter_year = chart_data['labels'][Array.from(yrchart).indexOf(year_bar)] url=/search_year_filter/ var term=document.getElementById("search_meta_data").dataset.term var data={ "year":filter_year, "term":term, "pgn":1 } filtered_res=post_and_fetch(data,url) } } function showLoading() { document.getElementById("loading").style.display = "block"; setTimeout(hideLoading, 10000); // 10 seconds } function hideLoading() { document.getElementById("loading").style.display = "none"; } -->