Japan Architectural Review最新文献

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Evaluation of response, damage, and repair cost of reinforced concrete super high-rise buildings subjected to large-amplitude earthquakes 钢筋混凝土超高层建筑在强震作用下的反应、破坏及修复成本评估
IF 0.9
Japan Architectural Review Pub Date : 2023-12-01 DOI: 10.1002/2475-8876.12418
Kazutaka Shirai, Hajime Okano, Yuu Nakanishi, Takashi Takeuchi, Katsunori Sasamoto, Miwa Sadamoto, Koichi Kusunoki
{"title":"Evaluation of response, damage, and repair cost of reinforced concrete super high-rise buildings subjected to large-amplitude earthquakes","authors":"Kazutaka Shirai,&nbsp;Hajime Okano,&nbsp;Yuu Nakanishi,&nbsp;Takashi Takeuchi,&nbsp;Katsunori Sasamoto,&nbsp;Miwa Sadamoto,&nbsp;Koichi Kusunoki","doi":"10.1002/2475-8876.12418","DOIUrl":"https://doi.org/10.1002/2475-8876.12418","url":null,"abstract":"<p>The present study developed a method for evaluating the response, damage, and repair cost of super high-rise reinforced concrete (RC) buildings subjected to large-amplitude earthquakes. The response was numerically assessed using three-dimensional 40-story RC frame models under the predicted seismic motions of earthquakes along the Sagami Trough and Nankai Trough considering the effects of slip behavior, slab cooperative width, and stud-type dampers. Even when the RC mainframe exhibited slip, the peak response deformation was effectively reduced by the friction dampers incorporated into each story. A probabilistic approach based on fragility was used to evaluate the damage and repair cost of the building models. The distributions of the damage states and repair cost for each story under the predicted seismic motions of earthquakes along the Sagami Trough and Nankai Trough were determined, and the total repair cost in relation to the total construction cost was evaluated. The occurrence of damage state 1 had a relatively large effect on the evaluated total repair cost under the evaluation conditions used in this study. A nonlinear relationship was observed between the input magnification and the total repair cost. The friction dampers reduced the damage and total repair cost.</p>","PeriodicalId":42793,"journal":{"name":"Japan Architectural Review","volume":"7 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/2475-8876.12418","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138473407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Performance evaluation and mix proportion design of concrete using low-quality recycled aggregate: Application for structural concrete in Vietnam 低质量再生骨料混凝土的性能评价与配合比设计:在越南结构混凝土中的应用
IF 0.9
Japan Architectural Review Pub Date : 2023-11-30 DOI: 10.1002/2475-8876.12417
Anh Duc Nguyen, Yasuhiro Dosho
{"title":"Performance evaluation and mix proportion design of concrete using low-quality recycled aggregate: Application for structural concrete in Vietnam","authors":"Anh Duc Nguyen,&nbsp;Yasuhiro Dosho","doi":"10.1002/2475-8876.12417","DOIUrl":"https://doi.org/10.1002/2475-8876.12417","url":null,"abstract":"<p>This study aims to promote the application of recycled aggregate concrete using low-quality recycled aggregate, which can be easily obtained in Vietnam, mixed with normal aggregate. This is achieved by examining the performance evaluation of concrete using the relative quality index method and mix proportion design. If low-quality recycled aggregate and normal aggregate can be combined in concrete in a suitable replacement ratio, as has been done in Japan, the proposed method can be used for structural concrete applications in Vietnam.</p>","PeriodicalId":42793,"journal":{"name":"Japan Architectural Review","volume":"7 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/2475-8876.12417","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138468688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Grow-contact simulation of hybrid joints for living architectures 生活建筑混合关节生长接触仿真
IF 0.9
Japan Architectural Review Pub Date : 2023-11-30 DOI: 10.1002/2475-8876.12419
Tianhao Zhang, Ken'ichi Kawaguchi
{"title":"Grow-contact simulation of hybrid joints for living architectures","authors":"Tianhao Zhang,&nbsp;Ken'ichi Kawaguchi","doi":"10.1002/2475-8876.12419","DOIUrl":"https://doi.org/10.1002/2475-8876.12419","url":null,"abstract":"<p>Hybrid joints consist of living trees and industrial materials are the solutions to realize the living architectures. However, the mechanism of grow-contact-swallow behavior remains ambiguous. Some computational graphical methods have struggled to generate the tree geometry. However, physical features such as stiffness were not considered. In this paper, we proposed a grow-contact simulation method for describing the swallowing process to generate hybrid joints. Our temporal evolution approach is implemented using the Non-Uniform Rational B-Spline curves, and the genetic algorithms. We formulate the grow-contact process as a solution for optimization problem that leads to the state with minimal total generalized potential energy. We conclude that the simulation results explain 4 general contact behaviors, concerning stiffness, and the age of the tree as the mechanical metrics. Especially for swallowing behavior, the three-dimensional geometry prediction shows potential for the design of hybrid joints for living architectures.</p>","PeriodicalId":42793,"journal":{"name":"Japan Architectural Review","volume":"7 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/2475-8876.12419","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138468518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sechie: The spatialization of activities via a repository and stage Sechie:通过存储库和阶段对活动进行空间化
IF 0.9
Japan Architectural Review Pub Date : 2023-11-09 DOI: 10.1002/2475-8876.12415
Taishi Watanabe
{"title":"Sechie: The spatialization of activities via a repository and stage","authors":"Taishi Watanabe","doi":"10.1002/2475-8876.12415","DOIUrl":"10.1002/2475-8876.12415","url":null,"abstract":"<p>The building, Sechie, is an architectural representation in which the activities of living become a “dwelling space” that clearly articulates what it is rather than a house as container. Also, Sechie delivers a modern adaptation of Japanese spatial principles by going back historically to their origins. The building traces the connection with previous research and architectural works referring to “Ai(Ma)” and ceremonial space. Its structure is based on the origins of space generated by a repository containing living functions and a stage without such functions. By connecting them three-dimensionally, the garden creates an architectural state in which human actions and nature coexist.</p>","PeriodicalId":42793,"journal":{"name":"Japan Architectural Review","volume":"6 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/2475-8876.12415","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135562187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Performance of combination of local exhaust system and floor-supply displacement ventilation system as prevention measure of infection in consulting room 局部排风系统与地板送风系统组合作为诊室感染预防措施的效果
IF 0.9
Japan Architectural Review Pub Date : 2023-11-02 DOI: 10.1002/2475-8876.12413
Jun Yoshihara, Toshio Yamanaka, Tomohiro Kobayashi, Narae Choi, Noriaki Kobayashi
{"title":"Performance of combination of local exhaust system and floor-supply displacement ventilation system as prevention measure of infection in consulting room","authors":"Jun Yoshihara,&nbsp;Toshio Yamanaka,&nbsp;Tomohiro Kobayashi,&nbsp;Narae Choi,&nbsp;Noriaki Kobayashi","doi":"10.1002/2475-8876.12413","DOIUrl":"10.1002/2475-8876.12413","url":null,"abstract":"<p>Droplet nuclei and tiny enough droplets to move as an aerosol are regarded as one of the modes of infection transmission SARS-CoV-2. Various measures have been taken to prevent it worldwide. Nevertheless, many scenarios cannot be avoided close-distance conversations, for example, in a consulting room, restaurant, or crowded train. A consulting room has significant potential for doctors to contact infected patients. Therefore, this study proposes a novel approach combining a local exhaust ventilation (LEV) and floor-supply displacement ventilation system (FSDV) in a consulting room. This study assumes that two persons (doctor and patient) are sitting face to face and talking without a mask in a simple room regarded as a consulting room. The velocity and volume of exhaled air from talking were acquired through field measurements. Then, computational fluid dynamics (CFD) steady analysis was carried out, using the results of exhaled air measurement with various parameters (hood height, hood flow rate, horizontal hood position, and air flow rate). The capture efficiency for tracer gas and contribution distribution for the hood (SVE5: scale for ventilation efficiency 5) have been calculated to reveal the hood's capture performance. In addition, infection risk for the doctor was also calculated using the Wells–Riley model to estimate the infection performance of this ventilation system. By measuring exhaled air from talking, a speed of 0.30 m/s, a volume of 5.21 L/min, and a vertical angle of 11.9° were obtained, and these values were installed into CFD. The CFD results showed that hood flow rate significantly impacts capture efficiency at SA 120 m<sup>3</sup>/h (6 ACH), and horizontal hood position significantly impacts at SA 1000 m<sup>3</sup>/h (50 ACH). SVE5 also showed hood's effective area is greatly influenced by the flow rate balance between the hood and the other exhaust routes. Under high air supply conditions: SA 1000 m<sup>3</sup>/h (50 ACH), there was almost no airborne transmission risk for a doctor with or without a hood. However, under 120 m<sup>3</sup>/h (6 ACH) conditions, the combination of the hood and FSDV system could reduce an infection risk sufficiently. The hood should be located above the infected person's head to keep the counter person's infectious risk low, indicating that the introduction of the hood is reasonable in the consulting room, where it is easy to find where the infected person is.</p>","PeriodicalId":42793,"journal":{"name":"Japan Architectural Review","volume":"6 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/2475-8876.12413","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135445822","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study focuses on local government formation process in Kawagoe City from Edo Period to Meiji Era 以江户时期至明治时期川越市的地方政府形成过程为研究对象
IF 0.9
Japan Architectural Review Pub Date : 2023-11-01 DOI: 10.1002/2475-8876.12416
Hiroshi Tsuchida, Yuka Honda
{"title":"Study focuses on local government formation process in Kawagoe City from Edo Period to Meiji Era","authors":"Hiroshi Tsuchida,&nbsp;Yuka Honda","doi":"10.1002/2475-8876.12416","DOIUrl":"10.1002/2475-8876.12416","url":null,"abstract":"<p>This paper focuses on the process of local government formation, from the Edo Period to the Meiji Era, in Kawagoe City, which has its roots in a castle town at the end of the Edo Period, in order to discover regional formation for urban reorganization. The daiku-shoku system and Rengo-choson organized early-modern towns and villages in the Edo Period as self-governing organizations, but the mass amalgamations during the Meiji Era created municipalities, forming the basis of the current city sphere. These phases of Meiji Restoration were influenced by the topography of rivers and farmland, and the urban expansion of castle towns, which formed the organization. Although some of the landforms that functioned as boundaries of the organization disappeared owing to mergers and urban development after the Meiji Era, most of the elements have been inherited by the current city master plan districts. Accordingly, by organizing the process of regional formation, we have derived the gradual changes in consciousness that occurred under the circumstances of conversion from different organizations. In addition, by comparing the current and past situations, the inheritance of the historical background is presented.</p>","PeriodicalId":42793,"journal":{"name":"Japan Architectural Review","volume":"6 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/2475-8876.12416","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135319833","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of various environmental grades on thermal comfort in semi-outdoor spaces 不同环境等级对半室外空间热舒适的影响
IF 0.9
Japan Architectural Review Pub Date : 2023-10-26 DOI: 10.1002/2475-8876.12414
Yuta Fukawa, Yuyuko Watanabe, Yutaro Ogawa, Ryo Hisayama, Akihisa Nomoto, Junta Nakano, Jun Nakagawa, Shin-ichi Tanabe
{"title":"Effects of various environmental grades on thermal comfort in semi-outdoor spaces","authors":"Yuta Fukawa,&nbsp;Yuyuko Watanabe,&nbsp;Yutaro Ogawa,&nbsp;Ryo Hisayama,&nbsp;Akihisa Nomoto,&nbsp;Junta Nakano,&nbsp;Jun Nakagawa,&nbsp;Shin-ichi Tanabe","doi":"10.1002/2475-8876.12414","DOIUrl":"10.1002/2475-8876.12414","url":null,"abstract":"<p>The introduction of semi-outdoor spaces to urban spaces and offices has increased in recent years. In previous studies, environmental grade has been defined as the level of control for the thermal environment set for an architectural space based on the use, where “semi-outdoor environment” is an environmental grade division that exists as a gradation between indoors and outdoors. This study aims to clarify effects of various environmental grades on thermal comfort. Field surveys were conducted in five semi-outdoor spaces in Tokyo from 9 to 25 September 2021, consisting of thermal environment measurement, questionnaires about thermal comfort and impression of surveyed spaces and real-time sensation voting. By impression evaluation and comparison of the regression curves of standard new effective temperature (SET*) against percentage of “uncomfortably warm,” the surveyed spaces were classified into two categories: “outdoor tendency” and “indoor tendency.” The difference in thermal comfort for the diverse semi-outdoor environment could be evaluated by the difference in spatial characteristics such as “sense of weight” of the top surface in addition to the difference in environment control. By regression analysis of real-time sensation voting result using hierarchical Bayesian approach, environmental grade was clarified to affect the correlation between pleasantness/unpleasantness and air velocity.</p>","PeriodicalId":42793,"journal":{"name":"Japan Architectural Review","volume":"6 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/2475-8876.12414","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135210960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Typology on exterior design of townhouses in a World Cultural Heritage Site of a Nepali City 尼泊尔某城市世界文化遗产地联排别墅外观设计的类型学研究
IF 0.9
Japan Architectural Review Pub Date : 2023-10-25 DOI: 10.1002/2475-8876.12411
Asuka Hamaoka, Naohiko Yamamoto, Tetsuya Yoshida, Anri Miyauchi, Masaya Masui, Yoichi Mukai
{"title":"Typology on exterior design of townhouses in a World Cultural Heritage Site of a Nepali City","authors":"Asuka Hamaoka,&nbsp;Naohiko Yamamoto,&nbsp;Tetsuya Yoshida,&nbsp;Anri Miyauchi,&nbsp;Masaya Masui,&nbsp;Yoichi Mukai","doi":"10.1002/2475-8876.12411","DOIUrl":"10.1002/2475-8876.12411","url":null,"abstract":"<p>The paper deals with the exterior design of townhouses in an urban block of the eastern part of Bhaktapur in Kathmandu Valley. The primary purpose is to provide an analysis method to determine the typical combination among exterior design components of Nepalese townhouses. By using multiple correspondence analysis and cluster analysis, 118 samples are grouped into 13 clusters. Secondly, all the clustered samples were put onto the original plots on the map to see the characteristics of their locations. Such a process would help a designer/planner reflect on how they should compose a proper facade in reconstruction works of townhouses after the earthquake in 2015.</p>","PeriodicalId":42793,"journal":{"name":"Japan Architectural Review","volume":"6 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/2475-8876.12411","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135210957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A design tool for globally developable discrete architectural surfaces using Ricci flow 基于Ricci流的可全局开发离散建筑曲面设计工具
IF 0.9
Japan Architectural Review Pub Date : 2023-10-20 DOI: 10.1002/2475-8876.12410
Jingyao Zhang, Makoto Ohsaki
{"title":"A design tool for globally developable discrete architectural surfaces using Ricci flow","authors":"Jingyao Zhang,&nbsp;Makoto Ohsaki","doi":"10.1002/2475-8876.12410","DOIUrl":"https://doi.org/10.1002/2475-8876.12410","url":null,"abstract":"<p>This paper presents an approach for the design of discrete architectural surfaces that are globally developable; that is, having zero Gaussian curvature at every interior node. This kind of architectural surface is particularly suitable for fast fabrication at a low cost, since their curved geometry can be developed into a plane. This highly non-linear design problem is broken down into two sub-problems: (1) find the member lengths of a triangular mesh that lead to zero Gaussian curvature, by employing the discrete surface Ricci flow developed in the field of discrete differential geometry; (2) realize the final geometry by solving an optimization problem, subject to the constraints on member lengths as well as the given boundary. It is demonstrated by the numerical examples that both of these two sub-problems can be solved with small computational costs and sufficient accuracy. In addition, the Ricci flow algorithm has an attractive feature—the final design is conformal to the initial one. Conformality could result in higher structural performance, because the shape of each panel is kept as close as possible to its initial design, suppressing possible distortion of the panels. This paper further presents an improved circle packing scheme implemented in the discrete surface Ricci flow to achieve better conformality, while keeping its simplicity in algorithm implementation as in the existing Thurston's scheme .</p>","PeriodicalId":42793,"journal":{"name":"Japan Architectural Review","volume":"6 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/2475-8876.12410","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50148110","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Acquisition of land by foreigners in Kobe zakkyochi during the Meiji era 明治时代外国人在神户市征用土地
IF 0.9
Japan Architectural Review Pub Date : 2023-10-20 DOI: 10.1002/2475-8876.12412
Yoshika Yamasaki
{"title":"Acquisition of land by foreigners in Kobe zakkyochi during the Meiji era","authors":"Yoshika Yamasaki","doi":"10.1002/2475-8876.12412","DOIUrl":"https://doi.org/10.1002/2475-8876.12412","url":null,"abstract":"<p>This study identifies some of the distinctive characteristics of the land acquired by foreigners in the <i>zakkyochi</i> (mixed-residential areas) of Kobe, Japan, during the Meiji era, and explores the various means by which foreigners were able to acquire this land. The primary focus is on Kitano-cho and Yamamoto-dori, a well-known residential area for foreigners, where <i>ijinkan</i> (historical Western-style residences) still stand to this day. By law, foreigners in <i>zakkyochi</i> were given only the right to lease land from Japanese citizens and the Japanese government. Nonetheless, foreigners such as E.H. Hunter expanded the area available to them by using the names of Japanese relatives. Although Japanese women who married foreigners were also prohibited from owning land, this restriction did not apply to their children. Thus, in the case of E.H. Hunter, a significant portion of the land he acquired was acquired in the name of his children, primarily in areas adjacent to the mountains, excluding the sites of graveyards and villages. Indeed, it was generally the case that the land used by foreigners in Kobe was concentrated in the hilly areas with good views that did not serve as graveyards or village sites.</p>","PeriodicalId":42793,"journal":{"name":"Japan Architectural Review","volume":"6 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/2475-8876.12412","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50148113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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