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学者姓名:戴俭
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Abstract :
The Yangtze River Delta is a relatively developed area with many detached houses in the suburbs. Such detached houses are usually 1-3 stories high, mostly self-built by local people. Due to the lack of passive design guidance in the design and construction process, these houses' energy consumption is usually high. At present, residents in the area use air conditioners, fans, and other electrical equipment in their daily lives. This paper takes detached houses in the suburbs of Ningbo as the research objects, through performance simulation and big data mining of a large number of generated samples, and proposes a passive design strategy suitable for the local building form and envelope structure, which can guide local housing construction.
Keyword :
shape shape envelope structure envelope structure data mining data mining passive design strategy passive design strategy performance simulation performance simulation
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GB/T 7714 | Li, Ning , Peng, Zhechen , Dai, Jian et al. Performance-Oriented Passive Design Strategies for Shape and Envelope Structure of Independent Residential Buildings in Yangtze River Delta Suburbs [J]. | SUSTAINABILITY , 2022 , 14 (8) . |
MLA | Li, Ning et al. "Performance-Oriented Passive Design Strategies for Shape and Envelope Structure of Independent Residential Buildings in Yangtze River Delta Suburbs" . | SUSTAINABILITY 14 . 8 (2022) . |
APA | Li, Ning , Peng, Zhechen , Dai, Jian , Li, Ziwei . Performance-Oriented Passive Design Strategies for Shape and Envelope Structure of Independent Residential Buildings in Yangtze River Delta Suburbs . | SUSTAINABILITY , 2022 , 14 (8) . |
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To investigate the changes of larch wood properties under the influence of long-standing exposure to the environment, the QUV accelerated weathering tester (fluorescent UV and condensation testers) was used to accelerate the weathering of wood within a given preset time, and the changes were studied by analogue simulation. The wood color changed noticeably under different weathering time, and it gradually darkened from light yellow to deep reddish brown. Scanning electron microscopic (SEM) analysis revealed that as the weathering time increased, the cell wall was broken, the pits were cracked, and the tracheids were damaged. The results of the energy spectrum analysis (O/C (oxygen/carbon)) showed an increasing trend in the ratio, indicating that the wood underwent an oxidation reaction induced by light. From the values of the two testing indexes and their change patterns with weathering time, the same trend was observed, with the values of modulus of elasticity (MOE) in static bending being greater than that in dynamic bending E-d (the dynamic modulus of elasticity). However, the variability of MOE was greater than that of E-d. A comparative analysis of the two detection indicators was performed. The relationship between the proposed combined correction E-d and weathering time was: y = 0.0000001017 t(2) - 0.0006 t + 9.77.
Keyword :
Wood property Wood property Scanning electron microscope Scanning electron microscope Fitting Fitting Nondestructive testing Nondestructive testing Accelerated weathering Accelerated weathering
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GB/T 7714 | Cheng, Liting , Di, Yajing , Zhao, Peng et al. Effects of Accelerated Weathering Test on the Properties of Larch Wood [J]. | BIORESOURCES , 2021 , 16 (4) : 7399-7414 . |
MLA | Cheng, Liting et al. "Effects of Accelerated Weathering Test on the Properties of Larch Wood" . | BIORESOURCES 16 . 4 (2021) : 7399-7414 . |
APA | Cheng, Liting , Di, Yajing , Zhao, Peng , Dai, Jian , Yang, Zhiguo , Chang, Yibin . Effects of Accelerated Weathering Test on the Properties of Larch Wood . | BIORESOURCES , 2021 , 16 (4) , 7399-7414 . |
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为了更好地保护和利用我国的建筑遗产,在分析英国和中国建筑遗产保护制度发展历程的基础上,比较了二者在建筑遗产申报与确定程序、等级划分与评价标准以及改造与再利用要求等方面的不同,由此,提出了借鉴英国登录建筑保护制度、完善我国建筑遗产保护制度的几点建议.
Keyword :
英国 英国 登录建筑保护制度 登录建筑保护制度 中国 中国 建筑遗产保护制度 建筑遗产保护制度
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GB/T 7714 | 戴俭 , 宋怡宁 . 英国登录建筑保护制度与中国建筑遗产保护制度比较分析 [J]. | 唐山学院学报 , 2021 , 34 (3) : 29-33 . |
MLA | 戴俭 et al. "英国登录建筑保护制度与中国建筑遗产保护制度比较分析" . | 唐山学院学报 34 . 3 (2021) : 29-33 . |
APA | 戴俭 , 宋怡宁 . 英国登录建筑保护制度与中国建筑遗产保护制度比较分析 . | 唐山学院学报 , 2021 , 34 (3) , 29-33 . |
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历史街区有着悠久的文化历史以及独具特色的城市肌理,是我国重要的历史文化遗产之一.随着城市化的快速发展,越来越多的历史街区受到了破坏.而现代化意识的加强,人与人之间的交流需求增多,人们开始更加注重公共空间的重要性.文章以历史街区公共空间为研究对象,基于人性化视角下,考虑人的行为心理特征,探讨了历史街区公共空间的改造及发展研究,以期为未来的历史街区公共空间改造提供有价值的研究成果.
Keyword :
行为心理 行为心理 历史街区公共空间 历史街区公共空间 人性化 人性化 公共空间改造 公共空间改造
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GB/T 7714 | 戴俭 , 王晶 . 基于人性化视角下历史街区公共空间改造发展研究 [J]. | 建筑与文化 , 2021 , (6) : 158-159 . |
MLA | 戴俭 et al. "基于人性化视角下历史街区公共空间改造发展研究" . | 建筑与文化 6 (2021) : 158-159 . |
APA | 戴俭 , 王晶 . 基于人性化视角下历史街区公共空间改造发展研究 . | 建筑与文化 , 2021 , (6) , 158-159 . |
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Abstract :
自古以来,理想山水格局对我国传统村落影响较大,但其内在价值未被重视,也未对其合理性进行科学阐释。研究通过构建理想山水景观格局,利用ENVImet软件对不同主山高度变化进行模拟,分析不同高度变化对理想山水格局微气候的影响,提炼主山高度变化与传统村落间微气候影响的关系和规律。
Keyword :
传统村落 传统村落 环境 环境 山水格局 山水格局 微气候 微气候
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GB/T 7714 | 戴俭 , 闫晓光 . 基于ENVI-met模拟的传统村落理想山水格局主山高度变化微气候研究 [J]. | 城市住宅 , 2021 , 28 (09) : 71-74 . |
MLA | 戴俭 et al. "基于ENVI-met模拟的传统村落理想山水格局主山高度变化微气候研究" . | 城市住宅 28 . 09 (2021) : 71-74 . |
APA | 戴俭 , 闫晓光 . 基于ENVI-met模拟的传统村落理想山水格局主山高度变化微气候研究 . | 城市住宅 , 2021 , 28 (09) , 71-74 . |
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Abstract :
历史文化街区的保护与更新一直是我国城市更新的重要课题。我国历史文化街区在经历大拆大建的更新模式后,逐渐转向以维系历史文脉、留住真正历史文化为导向的发展。历史文化街区的保护更新重在保护,保护建筑肌理的同时更需维系片区的生活方式,突出多重历史价值。更新进程不仅需注重硬件设施的提质,更需考虑其社会结构、情感依恋等人文方面,使历史文化街区可持续发展。
Keyword :
城市更新 城市更新 腾退式更新 腾退式更新 平衡 平衡 历史文化街区 历史文化街区
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GB/T 7714 | 戴俭 , 沈盛楠 . 北京市历史文化街区腾退式更新模式探析 [J]. | 城市住宅 , 2021 , 28 (07) : 81-83 . |
MLA | 戴俭 et al. "北京市历史文化街区腾退式更新模式探析" . | 城市住宅 28 . 07 (2021) : 81-83 . |
APA | 戴俭 , 沈盛楠 . 北京市历史文化街区腾退式更新模式探析 . | 城市住宅 , 2021 , 28 (07) , 81-83 . |
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Abstract :
To accurately evaluate the dynamic elastic modulus (E-d) of wood in ancient timberwork buildings, the new materials of larch were used as the research object, and the stress wave nondestructive testing method was used to determine it. Based on nondestructive testing data, this paper proposed a method for predicting the E-d of larch using the principle of information diffusion. It selected the distance (D) from the bark to the pith in the cross-section of the wood and the height (H) from the base to the top in the radial section of the wood. The fuzzy diffusion relationships between the two evaluation indexes and the E-d were established using the information diffusion principle and the first-and second-order fuzzy approximate inferences in the fuzzy information optimization process. The calculation results showed that the dynamic elastic modulus model constructed by the information diffusion method can better predict the E-d of larch. The coefficient of determination between the measured value and the predicted value of the E-d was 0.861, they were in good agreement. The weights of the two influencing factors were 0.7 and 0.3, respectively, the average relative error of the fitted sample data was the minimum, which was 8.55%. This prediction model provided a strong basis for field inspection.
Keyword :
Distance base-top Distance base-top Stress wave Stress wave Fuzzy matrix Fuzzy matrix Information diffusion Information diffusion
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GB/T 7714 | Cheng, Liting , Wang, Wei , Yang, Zhiguo et al. Establishing a Dynamic Elastic Modulus Prediction Model of Larch Based on Nondestructive Testing Data [J]. | BIORESOURCES , 2020 , 15 (3) : 4835-4850 . |
MLA | Cheng, Liting et al. "Establishing a Dynamic Elastic Modulus Prediction Model of Larch Based on Nondestructive Testing Data" . | BIORESOURCES 15 . 3 (2020) : 4835-4850 . |
APA | Cheng, Liting , Wang, Wei , Yang, Zhiguo , Dai, Jian . Establishing a Dynamic Elastic Modulus Prediction Model of Larch Based on Nondestructive Testing Data . | BIORESOURCES , 2020 , 15 (3) , 4835-4850 . |
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Abstract :
以落叶松为研究对象,利用无损检测技术,研究不同含水率下木材材性检测指标的变化规律。结果表明:在木材含水率未达到临界纤维饱和点时,木材的材性检测指标随含水率的增大急剧下降;在木材含水率大于临界纤维饱和点时,木材的材性检测指标随含水率的增大下降幅度较小。以木材含水率为单一变量,以木材纤维饱和点(30%)为分界点,建立含水率与落叶松木材材性检测指标的理论公式。用实测结果对理论公式进行修正,修正后的结果表明:材性检测指标的实测值与理论值变化趋势一致,用应力波测量仪和微钻阻力仪测定的波阻模量值的实测值与理论值最接近。同时,推导的理论公式可以作为现场测定木材材性检测指标的依据。
Keyword :
应力波传播 应力波传播 修正 修正 纤维饱和点 纤维饱和点 含水率 含水率 材性检测 材性检测
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GB/T 7714 | 程丽婷 , 戴俭 , 彭乐鑫 . 含水率对落叶松木材材性检测指标的影响 [J]. | 科学技术与工程 , 2020 , 20 (36) : 15050-15058 . |
MLA | 程丽婷 et al. "含水率对落叶松木材材性检测指标的影响" . | 科学技术与工程 20 . 36 (2020) : 15050-15058 . |
APA | 程丽婷 , 戴俭 , 彭乐鑫 . 含水率对落叶松木材材性检测指标的影响 . | 科学技术与工程 , 2020 , 20 (36) , 15050-15058 . |
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Abstract :
长三角地区农村居民在住房建设中并未对外窗及其遮阳构件设计予以足够的关注,但外窗及其遮阳构件对于能耗、采光、通风具有重要作用,三种性能指标之间复杂甚至矛盾的关系决定了外窗的形式,所以该地区急需性能导向的设计策略作为建设向导.该文将参数化设计融入到被动式研究的过程中,充分发挥不同技术的优势,通过大量样本生成、性能模拟、数据分析三个关键步骤,深度挖掘数据的动态特性,平衡不同性能指标之间的复杂关系,总结出适合当地气候的、切实可行的设计策略,以指导当地实践并为其他相关研究提供前期成果.
Keyword :
农村住房 农村住房 长三角地区 长三角地区 遮阳构件 遮阳构件 被动式设计策略 被动式设计策略 外窗 外窗 性能平衡 性能平衡
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GB/T 7714 | 李宁 , 彭哲晨 , 李紫微 et al. 性能平衡导向的长三角地区农村住房外窗(含遮阳构件)被动式设计策略研究 [J]. | 华中建筑 , 2020 , 38 (8) : 55-61 . |
MLA | 李宁 et al. "性能平衡导向的长三角地区农村住房外窗(含遮阳构件)被动式设计策略研究" . | 华中建筑 38 . 8 (2020) : 55-61 . |
APA | 李宁 , 彭哲晨 , 李紫微 , 戴俭 . 性能平衡导向的长三角地区农村住房外窗(含遮阳构件)被动式设计策略研究 . | 华中建筑 , 2020 , 38 (8) , 55-61 . |
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Abstract :
The wooden columns in timber structures of ancient buildings have column foot tenons of various sizes. The main reason for these differences is their use for different roof loads. Six full-scale specimens with different sizes of column foot tenon were designed and manufactured. The tree species used for the specimens was larch. The quasi-static test was conducted on the specimens that were used in timber structures of ancient buildings. The effects of column foot tenon size on the mechanical properties of larch wooden columns were studied. The moment-rotational angle hysteretic curves, moment-rotational angle skeleton curves, ductility, stiffness degradation, energy dissipation capacity, slippages between the wooden column and the plinth, and the damage of the column foot tenons were examined. The test results showed that the column foot tenon played an important role in the mechanical behavior of the wooden column under low-cycle reversed cyclic loading. The rotation of the column foot tenon improved the energy dissipation capacity of the wooden column. As the rotational angle of the column base increased, the column foot tenon had different degrees of damage. Different sizes of column foot tenon had their own advantages and hysteretic behavior.
Keyword :
Ancient timber structures Ancient timber structures Wooden column Wooden column Concrete plinth Concrete plinth Larch Larch Column foot tenon Column foot tenon Hysteretic behavior Hysteretic behavior
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GB/T 7714 | Han, Xiaoli , Dai, Jian , Qian, Wei et al. Effect of Column Foot Tenon on Behavior of Larch Column Base Joints Based on Concrete Plinth [J]. | BIORESOURCES , 2020 , 15 (3) : 6648-6667 . |
MLA | Han, Xiaoli et al. "Effect of Column Foot Tenon on Behavior of Larch Column Base Joints Based on Concrete Plinth" . | BIORESOURCES 15 . 3 (2020) : 6648-6667 . |
APA | Han, Xiaoli , Dai, Jian , Qian, Wei , Li, Baolong , Jin, Yuanjun , Jiang, Ting . Effect of Column Foot Tenon on Behavior of Larch Column Base Joints Based on Concrete Plinth . | BIORESOURCES , 2020 , 15 (3) , 6648-6667 . |
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